/* MATH_SURVIVAL_V112 */
:root {
  --survival-field-width: 1600;
  --survival-field-height: 900;
  --survival-panel: rgba(255, 255, 255, 0.94);
  --survival-panel-strong: rgba(255, 255, 255, 0.98);
  --survival-line: rgba(220, 226, 240, 0.94);
  --survival-deep: rgba(27, 41, 92, 0.92);
  --survival-accent: #5b6cf0;
  --survival-accent-2: #7f9bff;
  --survival-good: #24b36b;
  --survival-warn: #f4b33c;
  --survival-danger: #ef6a6a;
}

body.math-survival-body {
  background: linear-gradient(180deg, #f7f9ff 0%, #eef3ff 100%);
}

body.math-survival-body .page-shell {
  width: min(1360px, calc(100vw - 20px));
  padding: 18px 0 28px;
}

body.math-survival-body .site-footer {
  display: none;
}

.math-survival-page {
  display: grid;
  gap: 16px;
}

.math-survival-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding: 14px 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.96) 0%, rgba(249,252,255,0.88) 52%, rgba(240,244,255,0.76) 100%),
    var(--survival-bg) center/cover no-repeat;
}

.math-survival-header-copy {
  max-width: 760px;
}

.math-survival-header h1 {
  margin: 0;
  font-size: clamp(1.8rem, 2.7vw, 2.8rem);
}

.math-survival-header p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.math-survival-header-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.math-survival-board-shell {
  padding: 14px;
  background: rgba(255, 255, 255, 0.9);
}

.math-survival-topbar {
  display: grid;
  grid-template-columns: repeat(6, minmax(96px, 1fr)) auto;
  gap: 12px;
  align-items: stretch;
  margin-bottom: 14px;
}

.math-survival-mini-stat {
  border: 1px solid var(--survival-line);
  background: rgba(249, 251, 255, 0.96);
  border-radius: 18px;
  padding: 12px 14px;
  display: grid;
  gap: 5px;
  min-height: 68px;
}

.math-survival-mini-stat span {
  color: var(--muted);
  font-size: 0.92rem;
}

.math-survival-mini-stat strong {
  font-size: 1.3rem;
  line-height: 1.1;
}

.math-survival-toolbar-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
}

.math-survival-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 298px;
  gap: 16px;
  align-items: stretch;
}

.math-survival-stage {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(213, 220, 238, 0.96);
  background: linear-gradient(180deg, rgba(16,24,44,0.14), rgba(9,15,30,0.18));
  min-height: 560px;
}

.math-survival-world {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: min(64vh, 700px);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(10, 18, 40, 0.12), rgba(10, 18, 40, 0.22)),
    var(--survival-bg) center/cover no-repeat;
}

.math-survival-world::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 54%, rgba(132, 203, 255, 0.18), transparent 34%),
    radial-gradient(circle at 18% 78%, rgba(91, 108, 240, 0.1), transparent 18%),
    radial-gradient(circle at 81% 22%, rgba(255, 255, 255, 0.16), transparent 24%);
  pointer-events: none;
}

.survival-layer,
.survival-buddy,
.survival-player,
.survival-crosshair,
.survival-floating-message,
.survival-start-overlay,
.survival-end-overlay {
  position: absolute;
  inset: 0;
}

.survival-buddy {
  inset: auto;
  z-index: 4;
  width: 4.8%;
  height: 8.6%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0.96;
}

.survival-buddy::after {
  content: "";
  position: absolute;
  left: 16%;
  right: 16%;
  bottom: -6%;
  height: 12%;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(13, 27, 53, 0.16), rgba(13, 27, 53, 0));
  filter: blur(6px);
}

.survival-buddy-sprite {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 16px rgba(18, 31, 80, 0.2));
}

.survival-player {
  inset: auto;
  z-index: 5;
  width: 5.5%;
  height: 9.4%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.survival-player img,
.survival-player-sprite,
.survival-player-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 16px rgba(18, 31, 80, 0.28));
}

.survival-pickup-layer { z-index: 2; }
.survival-projectile-layer { z-index: 3; }
.survival-enemy-layer { z-index: 4; }
.survival-fx-layer { z-index: 6; pointer-events: none; }


/* MATH_SURVIVAL_BOSS_SHIELD_V4 */
.survival-enemy-bullet-layer {
  z-index: 5;
  pointer-events: none;
}

.survival-enemy-bullet {
  z-index: 5;
  border-radius: 999px;
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,0.98), rgba(255,216,122,0.96) 30%, rgba(250,127,91,0.98) 68%, rgba(190,50,61,0.92) 100%);
  box-shadow: 0 0 18px rgba(255, 118, 83, 0.66), 0 0 34px rgba(255, 190, 90, 0.28);
  animation: survival-boss-bullet-pulse 0.58s ease-in-out infinite;
}

.survival-shield-ring {
  position: absolute;
  inset: auto;
  z-index: 6;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  pointer-events: none;
  border: 3px solid rgba(119, 215, 255, 0.86);
  background: radial-gradient(circle, rgba(142, 220, 255, 0.16), rgba(91, 108, 240, 0.05) 58%, rgba(91, 108, 240, 0));
  box-shadow: 0 0 22px rgba(98, 190, 255, 0.62), inset 0 0 20px rgba(255,255,255,0.38);
  animation: survival-shield-flare 0.56s ease-out infinite alternate;
}

.survival-player.shield-active img {
  filter: drop-shadow(0 0 18px rgba(98, 190, 255, 0.86)) drop-shadow(0 10px 16px rgba(18, 31, 80, 0.28));
}

.survival-boss {
  z-index: 4;
}

.survival-boss .survival-enemy-sprite {
  filter: drop-shadow(0 18px 26px rgba(46, 33, 95, 0.34)) drop-shadow(0 0 18px rgba(255, 180, 78, 0.34));
}

.survival-boss-label {
  position: absolute;
  left: 50%;
  top: -22%;
  transform: translateX(-50%);
  z-index: 2;
  padding: 4px 9px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 114, 96, 0.96), rgba(255, 187, 69, 0.96));
  color: #fff;
  font-size: clamp(0.68rem, 1vw, 0.82rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 16px rgba(160, 61, 48, 0.22);
}

.survival-shield-button.is-ready {
  border-color: rgba(44, 163, 112, 0.42);
  background: linear-gradient(180deg, rgba(239,255,249,0.98), rgba(216,248,235,0.94));
}

.survival-shield-button.is-active {
  color: #fff;
  background: linear-gradient(135deg, #4aa9ff, #5b6cf0);
}

.survival-shield-button.is-cooling {
  opacity: 0.72;
}

.survival-entity {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.survival-enemy {
  z-index: 4;
}

.survival-enemy-sprite {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 14px 18px rgba(16, 24, 55, 0.26));
  animation: survival-enemy-float 1.75s ease-in-out infinite;
}

.survival-enemy::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: -4%;
  height: 14%;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(13, 27, 53, 0.22), rgba(13, 27, 53, 0));
  filter: blur(6px);
}

.survival-enemy-hp {
  position: absolute;
  left: 14%;
  right: 14%;
  top: -10%;
  height: 10%;
  border-radius: 999px;
  background: rgba(17, 30, 60, 0.18);
  overflow: hidden;
}

.survival-enemy-hp > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #4ed07e, #71ef9e);
}

.survival-projectile {
  z-index: 3;
  border-radius: 999px;
  background: radial-gradient(circle at 32% 32%, rgba(255,255,255,0.94), rgba(124, 165, 255, 0.98) 45%, rgba(74, 104, 240, 1) 72%, rgba(49, 73, 188, 0.9) 100%);
  box-shadow: 0 0 18px rgba(91, 108, 240, 0.55);
}

.survival-projectile::after {
  content: "";
  position: absolute;
  inset: -24%;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(158, 185, 255, 0.6), transparent 66%);
  animation: survival-orb-pulse 0.72s ease-out infinite;
}

.survival-pickup {
  z-index: 2;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.98), rgba(113, 213, 255, 0.95) 38%, rgba(70, 126, 255, 0.98) 60%, rgba(53, 86, 217, 0.98) 100%);
  box-shadow: 0 0 22px rgba(98, 139, 255, 0.58);
}

.survival-pickup::before,
.survival-pickup::after {
  content: "";
  position: absolute;
  inset: -22%;
  border-radius: 999px;
  border: 2px solid rgba(154, 223, 255, 0.58);
  animation: survival-pickup-ring 1.4s ease-out infinite;
}

.survival-pickup::after {
  inset: -42%;
  animation-delay: 0.42s;
}

.survival-pickup-core {
  position: absolute;
  inset: 24%;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255,255,255,0.94), rgba(255,239,162,0.92) 60%, rgba(255,196,83,0.82) 100%);
}

.survival-crosshair {
  inset: auto;
  width: 38px;
  height: 38px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.72);
  box-shadow: 0 0 0 8px rgba(255,255,255,0.06);
  pointer-events: none;
  z-index: 2;
}

.survival-crosshair::before,
.survival-crosshair::after {
  content: "";
  position: absolute;
  background: rgba(255,255,255,0.72);
}

.survival-crosshair::before {
  left: 50%;
  top: 2px;
  bottom: 2px;
  width: 2px;
  transform: translateX(-50%);
}

.survival-crosshair::after {
  top: 50%;
  left: 2px;
  right: 2px;
  height: 2px;
  transform: translateY(-50%);
}

.survival-floating-message {
  inset: auto 20px 18px 20px;
  z-index: 7;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: calc(100% - 40px);
  padding: 11px 16px;
  border-radius: 999px;
  color: #fff;
  background: rgba(16, 31, 76, 0.76);
  box-shadow: 0 10px 30px rgba(15, 29, 68, 0.16);
  backdrop-filter: blur(12px);
  font-weight: 700;
  line-height: 1.4;
}


/* MATH_SURVIVAL_TOUCH_STICK_V1 */
.survival-touch-stick {
  position: absolute;
  left: 18px;
  bottom: 18px;
  width: 126px;
  height: 126px;
  z-index: 8;
  display: none;
  pointer-events: auto;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.survival-touch-stick-base,
.survival-touch-stick-knob {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.survival-touch-stick-base {
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.46), rgba(203, 214, 248, 0.22) 48%, rgba(122, 141, 207, 0.18) 100%),
    linear-gradient(180deg, rgba(17, 30, 71, 0.16), rgba(17, 30, 71, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.38);
  box-shadow: inset 0 10px 22px rgba(255,255,255,0.16), 0 14px 26px rgba(15, 29, 68, 0.16);
  backdrop-filter: blur(12px);
}

.survival-touch-stick-base::before,
.survival-touch-stick-base::after {
  content: "";
  position: absolute;
  inset: 50%;
  background: rgba(255, 255, 255, 0.12);
  transform: translate(-50%, -50%);
}

.survival-touch-stick-base::before {
  width: 2px;
  height: 68%;
  border-radius: 999px;
}

.survival-touch-stick-base::after {
  width: 68%;
  height: 2px;
  border-radius: 999px;
}

.survival-touch-stick-knob {
  width: 54px;
  height: 54px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,0.98), rgba(201, 220, 255, 0.96) 34%, rgba(118, 149, 248, 0.98) 76%, rgba(73, 101, 212, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 14px 22px rgba(16, 31, 76, 0.26), inset 0 3px 12px rgba(255,255,255,0.3);
  transition: transform 0.08s ease-out, box-shadow 0.12s ease-out;
}

.survival-touch-stick.is-active .survival-touch-stick-knob {
  box-shadow: 0 16px 28px rgba(16, 31, 76, 0.34), inset 0 3px 12px rgba(255,255,255,0.34);
}

.survival-touch-stick-caption {
  position: absolute;
  left: 50%;
  bottom: -28px;
  transform: translateX(-50%);
  min-width: max-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(14, 26, 62, 0.68);
  color: rgba(255,255,255,0.92);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 20px rgba(15, 29, 68, 0.16);
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.survival-start-overlay,
.survival-end-overlay {
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(8, 16, 36, 0.46);
  backdrop-filter: blur(10px);
}

/* MATH_SURVIVAL_START_DUAL_MODE_V1 */
.survival-start-overlay,
.survival-end-overlay {
  pointer-events: auto;
}

.survival-overlay-card {
  position: relative;
  z-index: 1;
}

.survival-start-overlay.hidden,
.survival-end-overlay.hidden,
.math-trace-modal.hidden {
  display: none;
  pointer-events: none;
}


.survival-overlay-card {
  width: min(620px, 92%);
  padding: 24px 24px 22px;
  text-align: center;
  background: rgba(255, 255, 255, 0.96);
}

.survival-overlay-card h2 {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.survival-overlay-card p {
  margin: 0;
  line-height: 1.7;
  color: var(--muted);
}

.survival-overlay-points,
.survival-end-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 18px;
}

.survival-overlay-points span,
.survival-end-stats div {
  padding: 10px 14px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--primary-2);
  font-weight: 700;
}

.survival-end-stats div {
  border-radius: 18px;
  min-width: 120px;
  display: grid;
  gap: 4px;
  background: #f7f9ff;
}

.survival-end-stats span {
  color: var(--muted);
  font-size: 0.9rem;
}

.survival-end-stats strong {
  font-size: 1.4rem;
}

.survival-overlay-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 22px;
}

.math-survival-sidebar {
  display: grid;
  gap: 14px;
  align-content: start;
}

.survival-side-card {
  border: 1px solid var(--survival-line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  padding: 18px 18px 16px;
}

.survival-side-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.survival-side-head h2 {
  margin: 0;
  font-size: 1.15rem;
}

.survival-energy-meter {
  height: 16px;
  border-radius: 999px;
  background: rgba(91, 108, 240, 0.12);
  overflow: hidden;
}

.survival-energy-value {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, #67d389, #56b6ff 58%, #5b6cf0 100%);
  transition: width 0.18s ease;
}

.survival-side-stats {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
}

.survival-side-stats div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(220, 226, 240, 0.92);
}

.survival-side-stats div:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.survival-side-stats dt,
.survival-side-copy,
.survival-help-list,
.math-trace-hint {
  color: var(--muted);
}

.survival-side-stats dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
}

.survival-dpad {
  display: grid;
  grid-template-columns: repeat(3, minmax(62px, 1fr));
  gap: 10px;
  justify-items: center;
}

.survival-dpad-button {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  border: 1px solid rgba(91, 108, 240, 0.26);
  background: linear-gradient(180deg, rgba(248,250,255,0.96), rgba(234,240,255,0.92));
  color: var(--primary-2);
  font-size: 1.6rem;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(91, 108, 240, 0.08);
}

.survival-dpad-button[data-dir="up"] {
  grid-column: 2;
}

.survival-dpad-button[data-dir="left"] {
  grid-column: 1;
  grid-row: 2;
}

.survival-dpad-button[data-dir="down"] {
  grid-column: 2;
  grid-row: 2;
}

.survival-dpad-button[data-dir="right"] {
  grid-column: 3;
  grid-row: 2;
}

.survival-dpad-button:active,
.survival-dpad-button.is-active {
  transform: translateY(1px);
  background: linear-gradient(180deg, rgba(225,233,255,0.98), rgba(210,222,255,0.94));
}

.survival-side-copy {
  margin: 14px 0 0;
  line-height: 1.7;
}

.survival-help-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 10px;
  line-height: 1.65;
}

.survival-buddy-preview {
  min-height: 136px;
  border-radius: 22px;
  border: 1px dashed rgba(184, 196, 233, 0.92);
  background: linear-gradient(180deg, rgba(248,250,255,0.98), rgba(237,242,255,0.92));
  display: grid;
  place-items: center;
  overflow: hidden;
}

.survival-buddy-preview-media {
  width: min(78%, 180px);
  height: min(78%, 118px);
  object-fit: contain;
  filter: drop-shadow(0 10px 16px rgba(18, 31, 80, 0.16));
}

.survival-buddy-meta {
  margin-top: 14px;
  display: grid;
  gap: 8px;
}

.survival-buddy-meta strong {
  font-size: 1.08rem;
  color: var(--survival-deep);
}

.math-trace-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(8, 16, 36, 0.55);
  backdrop-filter: blur(12px);
}

.math-trace-card {
  width: min(860px, 96vw);
  padding: 24px 24px 20px;
  background: rgba(255, 255, 255, 0.98);
}

.math-trace-card h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.math-trace-problem-text {
  margin: 10px 0 0;
  color: var(--primary-2);
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 900;
}

.math-trace-stage {
  position: relative;
  margin-top: 16px;
  min-height: 260px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(211, 220, 242, 0.96);
  background: linear-gradient(180deg, rgba(248,250,255,0.98), rgba(239,244,255,0.95));
}

.math-trace-guide {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(4rem, 9vw, 7rem);
  font-weight: 900;
  color: rgba(91, 108, 240, 0.18);
  letter-spacing: 0.08em;
  pointer-events: none;
  user-select: none;
  text-align: center;
  padding: 12px 16px;
}

#mathTraceCanvas {
  width: 100%;
  height: 260px;
  display: block;
  position: relative;
  z-index: 1;
  touch-action: none;
  cursor: crosshair;
}

.math-trace-progress {
  margin-top: 14px;
  height: 16px;
  border-radius: 999px;
  background: rgba(91, 108, 240, 0.12);
  overflow: hidden;
}

.math-trace-progress-value {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, #77d590, #66bef4 56%, #5b6cf0 100%);
  transition: width 0.12s linear;
}

.math-trace-hint {
  margin: 12px 0 0;
  line-height: 1.65;
}

/* MATH_SURVIVAL_MOBILE_READY_START_V1 */
body.math-survival-body {
  overflow-x: hidden;
  overflow-y: auto;
  height: auto;
  min-height: 100dvh;
  -webkit-overflow-scrolling: touch;
}

body.math-survival-body .page-shell {
  min-height: auto;
  height: auto;
  overflow: visible;
}

.math-survival-board-shell {
  overflow: visible;
}

.math-survival-topbar,
.math-survival-mini-stat,
.math-survival-toolbar-actions {
  min-width: 0;
}

.math-survival-toolbar-actions .button {
  white-space: nowrap;
}

#survivalQuickStartButton.is-hidden {
  display: none;
}

/* MATH_SURVIVAL_TRACE_CONFIRM_V1 */
.math-trace-actions {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.math-trace-actions .button[disabled] {
  opacity: 0.42;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.math-trace-actions .button[disabled]:hover,
.math-trace-actions .button[disabled]:active {
  background: linear-gradient(135deg, var(--primary), #7d8fff);
  transform: none;
}

.survival-burst {
  position: absolute;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,255,255,0.96), rgba(125, 174, 255, 0.6), rgba(91, 108, 240, 0));
  animation: survival-burst-pop 0.42s ease-out forwards;
}

.survival-pickup-pop {
  position: absolute;
  transform: translate(-50%, -50%);
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  text-shadow: 0 4px 12px rgba(25, 38, 80, 0.34);
  animation: survival-pop-text 0.7s ease-out forwards;
  pointer-events: none;
}

.math-survival-board-shell:fullscreen {
  width: 100vw;
  height: 100vh;
  border-radius: 0;
  border: none;
  padding: 12px;
  background: rgba(247, 249, 255, 0.98);
}

.math-survival-board-shell:fullscreen .math-survival-layout {
  height: calc(100vh - 110px);
}

.math-survival-board-shell:fullscreen .math-survival-stage,
.math-survival-board-shell:fullscreen .math-survival-world {
  min-height: 0;
  height: 100%;
}

@keyframes survival-enemy-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes survival-pickup-ring {
  0% { transform: scale(0.72); opacity: 0.68; }
  100% { transform: scale(1.28); opacity: 0; }
}

@keyframes survival-orb-pulse {
  0%, 100% { transform: scale(0.84); opacity: 0.46; }
  50% { transform: scale(1.08); opacity: 0.14; }
}

@keyframes survival-burst-pop {
  0% { transform: translate(-50%, -50%) scale(0.28); opacity: 0.88; }
  100% { transform: translate(-50%, -50%) scale(1.8); opacity: 0; }
}

@keyframes survival-pop-text {
  0% { transform: translate(-50%, -50%) translateY(8px); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translate(-50%, -50%) translateY(-38px); opacity: 0; }
}


@keyframes survival-boss-bullet-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(0.92); opacity: 0.9; }
  50% { transform: translate(-50%, -50%) scale(1.12); opacity: 1; }
}

@keyframes survival-shield-flare {
  0% { opacity: 0.56; transform: translate(-50%, -50%) scale(0.96); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1.04); }
}

@media (hover: none) and (pointer: coarse), (max-height: 620px) {
  body.math-survival-body .page-shell {
    width: min(100%, calc(100vw - 12px));
    padding: 10px 0 calc(18px + env(safe-area-inset-bottom));
  }

  .math-survival-page {
    gap: 10px;
  }

  .math-survival-header {
    padding: 12px 14px;
    gap: 12px;
    flex-direction: column;
  }

  .math-survival-header-copy {
    max-width: none;
  }

  .math-survival-header p {
    margin-top: 4px;
    font-size: 0.96rem;
    line-height: 1.5;
  }

  .math-survival-header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .math-survival-board-shell {
    padding: 10px;
  }

  .math-survival-topbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .math-survival-toolbar-actions {
    grid-column: 1 / -1;
    order: -1;
    justify-content: flex-start;
    position: sticky;
    top: calc(env(safe-area-inset-top) + 4px);
    z-index: 8;
    padding: 6px;
    border-radius: 16px;
    background: rgba(247, 249, 255, 0.92);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 20px rgba(16, 24, 55, 0.08);
  }

  .math-survival-mini-stat {
    min-height: 58px;
    padding: 10px 12px;
  }

  .math-survival-mini-stat strong {
    font-size: 1.16rem;
  }

  .math-survival-stage {
    min-height: 0;
  }

  .math-survival-world {
    min-height: min(48vh, 360px);
  }

  .survival-touch-stick {
    display: block;
    left: max(14px, env(safe-area-inset-left));
    bottom: max(14px, env(safe-area-inset-bottom));
    width: 132px;
    height: 132px;
  }

  .survival-floating-message {
    inset: auto 12px calc(18px + env(safe-area-inset-bottom)) 158px;
    max-width: calc(100% - 170px);
    font-size: 0.9rem;
    padding: 10px 14px;
  }

  .survival-start-overlay,
  .survival-end-overlay {
    padding: 12px;
  }

  .survival-overlay-card {
    width: min(520px, 96%);
    padding: 18px 18px 16px;
  }

  .survival-overlay-card h2 {
    font-size: clamp(1.45rem, 4vw, 1.9rem);
  }

  .survival-overlay-card p {
    font-size: 0.94rem;
    line-height: 1.55;
  }

  .survival-overlay-points span {
    padding: 8px 10px;
    font-size: 0.86rem;
  }

  .math-survival-sidebar {
    grid-template-columns: 1fr;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  .math-survival-world {
    min-height: min(44vh, 320px);
  }
}

@media (max-width: 1120px) {
  .math-survival-topbar {
    grid-template-columns: repeat(3, minmax(110px, 1fr));
  }

  .math-survival-layout {
    grid-template-columns: 1fr;
  }

  .math-survival-sidebar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  body.math-survival-body .page-shell {
    width: min(100vw - 14px, 100%);
    padding: 12px 0 18px;
  }

  .math-survival-header {
    padding: 16px;
  }

  .math-survival-topbar {
    grid-template-columns: repeat(2, minmax(110px, 1fr));
  }

  .math-survival-sidebar {
    grid-template-columns: 1fr;
  }

  .math-survival-world {
    min-height: min(72vh, 600px);
  }

  .survival-floating-message {
    font-size: 0.92rem;
  }
}

@media (max-width: 860px) and (hover: none) and (pointer: coarse) {
  .survival-touch-stick {
    width: 120px;
    height: 120px;
    left: max(12px, env(safe-area-inset-left));
    bottom: max(12px, env(safe-area-inset-bottom));
  }

  .survival-touch-stick-knob {
    width: 50px;
    height: 50px;
  }

  .survival-touch-stick-caption {
    font-size: 0.72rem;
    bottom: -26px;
  }

  .survival-floating-message {
    inset: auto 10px calc(16px + env(safe-area-inset-bottom)) 144px;
    max-width: calc(100% - 154px);
    font-size: 0.84rem;
    padding: 9px 12px;
  }
}

@media (max-width: 640px) {
  .math-survival-header,
  .math-survival-board-shell,
  .survival-side-card,
  .math-trace-card {
    border-radius: 18px;
  }

  .survival-touch-stick {
    width: 108px;
    height: 108px;
  }

  .survival-touch-stick-knob {
    width: 46px;
    height: 46px;
  }

  .survival-touch-stick-caption {
    display: none;
  }

  .math-trace-card {
    padding: 18px;
  }

  .math-trace-stage,
  #mathTraceCanvas {
    height: 220px;
    min-height: 220px;
  }

  .math-trace-guide {
    font-size: clamp(3rem, 14vw, 5rem);
  }

  .math-survival-world {
    min-height: min(62vh, 500px);
  }
}

/* MATH_SURVIVAL_BUDDY_ATTACK_V7 */
.survival-projectile-buddy {
  background: radial-gradient(circle at 32% 30%, rgba(255,255,255,0.98), rgba(132, 235, 175, 0.96) 42%, rgba(39, 180, 116, 0.98) 72%, rgba(28, 120, 91, 0.92) 100%);
  box-shadow: 0 0 18px rgba(69, 214, 136, 0.58), 0 0 32px rgba(93, 240, 174, 0.22);
}
.survival-projectile-buddy::after {
  background: radial-gradient(circle, rgba(145, 255, 194, 0.62), transparent 66%);
}
.survival-projectile-buddy-spread {
  background: radial-gradient(circle at 32% 30%, rgba(255,255,255,0.98), rgba(255, 219, 102, 0.98) 40%, rgba(244, 151, 48, 0.96) 72%, rgba(168, 92, 28, 0.9) 100%);
  box-shadow: 0 0 18px rgba(255, 176, 64, 0.58), 0 0 32px rgba(255, 218, 122, 0.22);
}
.survival-projectile-buddy-homing {
  background: radial-gradient(circle at 34% 28%, rgba(255,255,255,0.98), rgba(174, 156, 255, 0.98) 42%, rgba(112, 87, 236, 0.98) 74%, rgba(65, 52, 160, 0.92) 100%);
  box-shadow: 0 0 19px rgba(135, 112, 255, 0.62), 0 0 36px rgba(171, 152, 255, 0.24);
}
.survival-projectile-buddy-pulse {
  background: radial-gradient(circle at 34% 28%, rgba(255,255,255,0.98), rgba(126, 231, 255, 0.98) 42%, rgba(38, 166, 225, 0.98) 74%, rgba(32, 101, 170, 0.92) 100%);
  box-shadow: 0 0 18px rgba(73, 208, 255, 0.6), 0 0 34px rgba(108, 232, 255, 0.24);
}

/* MATH_SURVIVAL_TABLET_SHIELD_SPEED_V8 */
.survival-dpad-wrap {
  display: grid;
  gap: 12px;
}

.survival-dpad-actions {
  display: flex;
  justify-content: stretch;
  align-items: center;
}

.survival-dpad-shield-button {
  width: 100%;
  min-height: 52px;
  border-radius: 18px;
  font-size: 1rem;
  font-weight: 900;
  box-shadow: 0 14px 26px rgba(91, 108, 240, 0.14);
  touch-action: manipulation;
}

.survival-dpad-shield-button.is-ready {
  transform: translateY(-1px);
}

@media (hover: none) and (pointer: coarse) {
  .survival-dpad-wrap {
    grid-template-columns: minmax(0, 1fr);
  }

  .survival-dpad-button {
    min-height: 58px;
  }

  .survival-dpad-shield-button {
    min-height: 60px;
    font-size: 1.08rem;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  .survival-side-card:has(.survival-dpad-wrap) {
    position: relative;
  }

  .survival-dpad-actions {
    margin-top: 2px;
  }

  .survival-dpad-shield-button {
    letter-spacing: 0.04em;
  }
}

.survival-touch-shield-button {
  display: none;
  position: absolute;
  z-index: 9;
  left: calc(max(14px, env(safe-area-inset-left)) + 150px);
  bottom: max(24px, calc(env(safe-area-inset-bottom) + 24px));
  min-width: 112px;
  min-height: 58px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #5b6cf0, #7f9bff);
  box-shadow: 0 14px 28px rgba(57, 82, 204, 0.24), 0 0 0 6px rgba(255,255,255,0.32);
  font-weight: 900;
  letter-spacing: 0.02em;
  touch-action: manipulation;
}

.survival-touch-shield-button.is-ready {
  animation: survival-shield-ready-pulse 1.1s ease-in-out infinite;
}

.survival-touch-shield-button.is-active {
  background: linear-gradient(135deg, #4aa9ff, #5b6cf0);
}

.survival-touch-shield-button.is-cooling {
  color: rgba(255,255,255,0.86);
  background: linear-gradient(135deg, rgba(74, 91, 156, 0.9), rgba(91, 108, 240, 0.82));
}

@keyframes survival-shield-ready-pulse {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-2px) scale(1.03); }
}

@media (hover: none) and (pointer: coarse) {
  .survival-touch-shield-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

@media (hover: none) and (pointer: coarse) and (max-width: 640px) {
  .survival-touch-shield-button {
    left: calc(max(12px, env(safe-area-inset-left)) + 122px);
    bottom: max(18px, calc(env(safe-area-inset-bottom) + 18px));
    min-width: 98px;
    min-height: 52px;
    font-size: 0.92rem;
  }
}

/* MATH_SURVIVAL_MOBILE_TRACE_SHIELD_DAMAGE_V9 */
.math-trace-modal {
  overflow: auto;
  align-items: start;
  padding-top: max(12px, env(safe-area-inset-top));
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  -webkit-overflow-scrolling: touch;
}

.math-trace-card {
  max-height: calc(100dvh - max(24px, env(safe-area-inset-top)) - max(24px, env(safe-area-inset-bottom)));
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.math-trace-actions {
  position: sticky;
  bottom: 0;
  z-index: 4;
  padding-top: 10px;
  padding-bottom: max(2px, env(safe-area-inset-bottom));
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,0.98) 28%, rgba(255,255,255,0.98));
}

@media (hover: none) and (pointer: coarse), (max-width: 720px) {
  .math-trace-modal {
    display: block;
    padding: max(8px, env(safe-area-inset-top)) 8px max(8px, env(safe-area-inset-bottom));
  }

  .math-trace-card {
    width: min(100%, 760px);
    min-height: calc(100dvh - max(16px, env(safe-area-inset-top)) - max(16px, env(safe-area-inset-bottom)));
    max-height: calc(100dvh - max(16px, env(safe-area-inset-top)) - max(16px, env(safe-area-inset-bottom)));
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .math-trace-card .eyebrow {
    margin-bottom: 0;
    font-size: 0.76rem;
  }

  .math-trace-card h2 {
    font-size: clamp(1.35rem, 6vw, 1.8rem);
  }

  .math-trace-problem-text {
    margin-top: 4px;
    font-size: clamp(1.25rem, 7vw, 1.8rem);
  }

  .math-trace-stage {
    flex: 1 1 auto;
    min-height: 210px;
    max-height: 46dvh;
    margin-top: 6px;
    border-radius: 18px;
  }

  #mathTraceCanvas {
    height: 100%;
    min-height: 210px;
  }

  .math-trace-guide {
    font-size: clamp(3.2rem, 18vw, 6rem);
    line-height: 1.05;
    letter-spacing: 0.04em;
  }

  .math-trace-progress {
    margin-top: 6px;
    height: 12px;
    flex: 0 0 auto;
  }

  .math-trace-hint {
    margin-top: 0;
    font-size: 0.92rem;
    line-height: 1.45;
    flex: 0 0 auto;
  }

  .math-trace-actions {
    margin-top: auto;
    gap: 8px;
    flex: 0 0 auto;
  }

  .math-trace-actions .button {
    flex: 1 1 140px;
    min-height: 48px;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  .math-trace-card {
    padding: 10px 12px;
    gap: 6px;
  }

  .math-trace-stage {
    min-height: 148px;
    max-height: 42dvh;
  }

  #mathTraceCanvas {
    min-height: 148px;
  }

  .math-trace-guide {
    font-size: clamp(2.7rem, 12vw, 5.2rem);
  }

  .math-trace-actions .button {
    min-height: 42px;
  }
}

/* MATH_SURVIVAL_BUDDY_SPECIAL_HP_SHIELD_V11 */
.survival-player-hp-panel {
  position: absolute;
  z-index: 8;
  left: max(16px, env(safe-area-inset-left));
  top: max(14px, env(safe-area-inset-top));
  width: min(260px, 42%);
  padding: 10px 12px 11px;
  border: 1px solid rgba(221, 228, 246, 0.9);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 26px rgba(28, 41, 90, 0.12);
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.survival-player-hp-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 7px;
  color: var(--survival-deep);
  font-weight: 900;
  font-size: clamp(0.78rem, 1.4vw, 0.94rem);
}

.survival-player-hp-panel-head strong {
  color: var(--survival-good);
  font-size: 1.04em;
}

.survival-player-hp-meter {
  height: 12px;
  border-radius: 999px;
  background: rgba(28, 41, 90, 0.12);
  overflow: hidden;
}

.survival-player-hp-meter > span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #35c977, #76e99b);
  transition: width 0.16s ease, background 0.16s ease;
}

.survival-player-hp-panel.is-low .survival-player-hp-panel-head strong {
  color: var(--survival-warn);
}

.survival-player-hp-panel.is-low .survival-player-hp-meter > span {
  background: linear-gradient(90deg, #f3b43b, #ffd067);
}

.survival-player-hp-panel.is-danger .survival-player-hp-panel-head strong {
  color: var(--survival-danger);
}

.survival-player-hp-panel.is-danger .survival-player-hp-meter > span {
  background: linear-gradient(90deg, #ef6a6a, #ff9a90);
}

.survival-shield-ring.is-buddy-shield {
  border-color: rgba(255, 222, 115, 0.9);
  background: radial-gradient(circle, rgba(255, 236, 148, 0.22), rgba(255, 188, 76, 0.08) 58%, rgba(255, 188, 76, 0));
  box-shadow: 0 0 22px rgba(255, 204, 83, 0.62), inset 0 0 20px rgba(255,255,255,0.4);
}

.survival-player.buddy-shield-active img {
  filter: drop-shadow(0 0 18px rgba(255, 211, 83, 0.86)) drop-shadow(0 10px 16px rgba(18, 31, 80, 0.28));
}

.survival-projectile-buddy-angel {
  background: radial-gradient(circle at 34% 28%, rgba(255,255,255,0.98), rgba(255, 241, 168, 0.98) 40%, rgba(255, 180, 71, 0.94) 72%, rgba(204, 122, 43, 0.9) 100%);
  box-shadow: 0 0 20px rgba(255, 225, 111, 0.66), 0 0 36px rgba(255, 238, 178, 0.28);
  border-radius: 70% 45% 70% 45%;
}

.survival-projectile-buddy-two_way {
  background: radial-gradient(circle at 30% 28%, rgba(255,255,255,0.98), rgba(177, 218, 255, 0.98) 40%, rgba(77, 128, 241, 0.98) 72%, rgba(37, 64, 156, 0.94) 100%);
  box-shadow: 0 0 19px rgba(91, 142, 255, 0.62), 0 0 36px rgba(119, 181, 255, 0.24);
}

.survival-projectile-buddy-ninja {
  background: radial-gradient(circle at 34% 28%, rgba(255,255,255,0.95), rgba(103, 218, 151, 0.98) 38%, rgba(25, 138, 93, 0.98) 72%, rgba(18, 75, 61, 0.94) 100%);
  box-shadow: 0 0 18px rgba(64, 217, 132, 0.58), 0 0 32px rgba(111, 245, 180, 0.22);
}

.survival-projectile-buddy-knight {
  background: radial-gradient(circle at 34% 28%, rgba(255,255,255,0.98), rgba(218, 227, 255, 0.98) 42%, rgba(123, 147, 244, 0.98) 74%, rgba(65, 77, 175, 0.92) 100%);
  box-shadow: 0 0 18px rgba(126, 151, 255, 0.6), 0 0 34px rgba(164, 181, 255, 0.24);
}

.survival-caltrop {
  z-index: 2;
  width: 22px;
  height: 22px;
  background:
    linear-gradient(45deg, transparent 42%, rgba(36, 47, 84, 0.96) 43%, rgba(36, 47, 84, 0.96) 57%, transparent 58%),
    linear-gradient(-45deg, transparent 42%, rgba(36, 47, 84, 0.96) 43%, rgba(36, 47, 84, 0.96) 57%, transparent 58%),
    radial-gradient(circle, rgba(122, 239, 169, 0.96) 0 18%, rgba(46, 162, 106, 0.96) 19% 32%, transparent 33%);
  filter: drop-shadow(0 4px 8px rgba(9, 20, 48, 0.26));
}

.survival-caltrop::after {
  content: "";
  position: absolute;
  inset: -18%;
  border-radius: 999px;
  border: 1px dashed rgba(91, 238, 157, 0.5);
  animation: survival-caltrop-pulse 1.1s ease-in-out infinite;
}

@keyframes survival-caltrop-pulse {
  0%, 100% { transform: scale(0.86); opacity: 0.38; }
  50% { transform: scale(1.18); opacity: 0.86; }
}

@media (hover: none) and (pointer: coarse) {
  .survival-player-hp-panel {
    width: min(232px, 54%);
    padding: 9px 10px 10px;
  }
}

@media (hover: none) and (pointer: coarse) and (max-width: 640px) {
  .survival-player-hp-panel {
    left: max(10px, env(safe-area-inset-left));
    top: max(8px, env(safe-area-inset-top));
    width: min(210px, 60%);
    border-radius: 14px;
  }
  .survival-player-hp-panel-head {
    font-size: 0.74rem;
  }
  .survival-player-hp-meter {
    height: 10px;
  }
}

/* MATH_SURVIVAL_RANDOM_WEAPON_VARIATION_V35 */
.survival-projectile-drill {
  border-radius: 58% 20% 20% 58%;
  background:
    radial-gradient(circle at 16% 50%, rgba(255,255,255,0.98), rgba(255,244,190,0.92) 18%, transparent 21%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.96) 0 9%, rgba(255,200,82,0.98) 10% 18%, rgba(185,98,24,0.98) 19% 29%),
    linear-gradient(90deg, rgba(94,59,38,0.98), rgba(246,146,42,0.98), rgba(255,230,128,0.98));
  box-shadow: 0 0 20px rgba(255, 172, 67, 0.78), 0 0 42px rgba(255, 102, 46, 0.26);
}

.survival-projectile-drill::before {
  content: "";
  position: absolute;
  right: -18%;
  top: 50%;
  width: 34%;
  height: 84%;
  transform: translateY(-50%);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  background: linear-gradient(90deg, rgba(255,241,166,0.98), rgba(255,255,255,0.98));
  filter: drop-shadow(0 0 8px rgba(255,210,84,0.88));
}

.survival-projectile-drill::after {
  inset: -38%;
  background: radial-gradient(ellipse at 65% 50%, rgba(255,218,96,0.56), transparent 65%);
  animation: survival-drill-spin-glow 0.18s linear infinite;
}

.survival-weapon-clone {
  z-index: 3;
  border-radius: 999px;
  filter: drop-shadow(0 10px 14px rgba(20, 34, 72, 0.22)) drop-shadow(0 0 18px rgba(92, 224, 147, 0.48));
}

.survival-weapon-clone::before {
  content: "";
  position: absolute;
  inset: -16%;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(121, 255, 181, 0.36), rgba(104, 172, 255, 0.14) 54%, transparent 70%);
  animation: survival-clone-aura 0.92s ease-in-out infinite;
}

.survival-weapon-clone img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.82;
  filter: saturate(1.18) drop-shadow(0 0 10px rgba(116, 255, 180, 0.5));
}

.survival-orbit-blade {
  z-index: 3;
  border-radius: 46% 54% 44% 56%;
  clip-path: polygon(50% 0, 74% 28%, 100% 50%, 74% 72%, 50% 100%, 26% 72%, 0 50%, 26% 28%);
  background:
    radial-gradient(circle at 36% 28%, rgba(255,255,255,0.98), rgba(184,221,255,0.96) 24%, transparent 25%),
    linear-gradient(135deg, rgba(144, 191, 255, 0.98), rgba(63, 94, 230, 0.98) 54%, rgba(37, 52, 149, 0.98));
  box-shadow: 0 0 18px rgba(91, 139, 255, 0.58), 0 0 30px rgba(135, 201, 255, 0.24);
}

.survival-orbit-blade::after {
  content: "";
  position: absolute;
  inset: -30%;
  border-radius: 999px;
  border: 2px solid rgba(145, 205, 255, 0.34);
  animation: survival-orbit-blade-pulse 0.76s ease-in-out infinite;
}

.survival-lightning-segment {
  position: absolute;
  z-index: 7;
  height: clamp(5px, 0.6vw, 10px);
  margin-top: -4px;
  transform-origin: left center;
  border-radius: 999px;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,0.98) 10%, rgba(132,230,255,0.98) 42%, rgba(255,245,126,0.98) 58%, rgba(255,255,255,0.98) 88%, rgba(255,255,255,0));
  box-shadow: 0 0 12px rgba(115, 229, 255, 0.88), 0 0 28px rgba(89, 116, 255, 0.42);
}

.survival-lightning-segment::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.98) 0 7%, transparent 8% 14%);
  opacity: 0.85;
}

@keyframes survival-drill-spin-glow {
  0% { transform: scaleX(0.82) rotate(0deg); opacity: 0.76; }
  100% { transform: scaleX(1.08) rotate(360deg); opacity: 0.32; }
}

@keyframes survival-clone-aura {
  0%, 100% { transform: scale(0.92); opacity: 0.48; }
  50% { transform: scale(1.12); opacity: 0.84; }
}

@keyframes survival-orbit-blade-pulse {
  0%, 100% { transform: scale(0.78); opacity: 0.28; }
  50% { transform: scale(1.18); opacity: 0.78; }
}

/* MATH_SURVIVAL_TRACE_SOLVE_SHOCKWAVE_V36 */
.survival-shockwave {
  position: absolute;
  z-index: 8;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  border: clamp(4px, 0.68vw, 9px) solid rgba(255, 255, 255, 0.9);
  background:
    radial-gradient(circle, rgba(255,255,255,0.52) 0 10%, rgba(121, 210, 255, 0.28) 27%, rgba(91, 108, 240, 0.18) 46%, rgba(91, 108, 240, 0) 69%),
    conic-gradient(from 0deg, rgba(255,255,255,0.0), rgba(255,255,255,0.68), rgba(116,223,255,0.18), rgba(255,255,255,0.0));
  box-shadow:
    0 0 22px rgba(255, 255, 255, 0.86),
    0 0 44px rgba(98, 190, 255, 0.64),
    inset 0 0 28px rgba(255, 255, 255, 0.45);
  animation: survival-trace-shockwave-expand 0.86s cubic-bezier(.15,.84,.28,1) forwards;
}

.survival-shockwave::before,
.survival-shockwave::after {
  content: "";
  position: absolute;
  inset: 11%;
  border-radius: inherit;
  border: 2px dashed rgba(255, 255, 255, 0.56);
  filter: drop-shadow(0 0 10px rgba(111, 212, 255, 0.68));
  animation: survival-trace-shockwave-spin 0.86s linear forwards;
}

.survival-shockwave::after {
  inset: 24%;
  border-style: solid;
  opacity: 0.72;
  animation-direction: reverse;
}

@keyframes survival-trace-shockwave-expand {
  0% { transform: translate(-50%, -50%) scale(0.1); opacity: 0.98; filter: blur(0); }
  35% { opacity: 0.92; filter: blur(0); }
  100% { transform: translate(-50%, -50%) scale(1.12); opacity: 0; filter: blur(2px); }
}

@keyframes survival-trace-shockwave-spin {
  0% { transform: rotate(0deg) scale(0.72); opacity: 0.9; }
  100% { transform: rotate(185deg) scale(1.18); opacity: 0; }
}

/* MATH_SURVIVAL_ANSWER_READING_TRACE_V38 */
.math-trace-modal.is-answer-reading-step .math-trace-problem-text {
  color: #3550c8;
  font-size: clamp(1.1rem, 1.7vw, 1.45rem);
}

.math-trace-modal.is-answer-reading-step .math-trace-guide {
  font-size: clamp(3.2rem, 8vw, 6.3rem);
  letter-spacing: 0.075em;
  color: rgba(34, 151, 131, 0.19);
}

.math-trace-modal.is-answer-reading-step .math-trace-stage {
  background:
    radial-gradient(circle at 18% 18%, rgba(103, 232, 249, 0.22), transparent 30%),
    radial-gradient(circle at 82% 74%, rgba(132, 204, 22, 0.16), transparent 32%),
    linear-gradient(180deg, rgba(249, 255, 252, 0.98), rgba(235, 250, 246, 0.96));
}

.math-trace-modal.is-answer-reading-step .math-trace-progress-value {
  background: linear-gradient(90deg, #7dd3fc, #5eead4 52%, #a3e635 100%);
}

@media (hover: none) and (pointer: coarse), (max-width: 720px) {
  .math-trace-modal.is-answer-reading-step .math-trace-guide {
    font-size: clamp(2.9rem, 14vw, 5.5rem);
    letter-spacing: 0.035em;
  }
}


/* SURVIVAL_CHARACTER_BUDDY_SELECT_AND_KANJI_SURVIVAL_V44 */
.survival-overlay-card-v44 {
  width: min(980px, 96%);
  text-align: left;
}

.survival-selection-stepbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 18px;
}

.survival-selection-stepbar span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(232, 238, 255, 0.98);
  color: var(--primary-2);
  font-weight: 800;
}

.survival-selection-stepbar span.is-active {
  background: linear-gradient(135deg, rgba(91,108,240,0.96), rgba(106,149,255,0.96));
  color: #fff;
  box-shadow: 0 12px 22px rgba(91, 108, 240, 0.2);
}

.survival-selection-copy {
  margin-top: 16px;
  text-align: center;
  color: var(--muted);
  font-weight: 700;
}

.survival-selection-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.survival-selection-grid.hidden {
  display: none;
}

.survival-select-card {
  border: 1px solid rgba(213, 221, 243, 0.98);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(250,252,255,0.98), rgba(240,245,255,0.94));
  padding: 14px;
  display: grid;
  gap: 10px;
  min-height: 220px;
  text-align: left;
  box-shadow: 0 12px 22px rgba(31, 53, 118, 0.08);
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.survival-select-card:hover,
.survival-select-card:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(31, 53, 118, 0.12);
  border-color: rgba(116, 140, 241, 0.72);
}

.survival-select-card.is-selected {
  border-color: rgba(91, 108, 240, 0.96);
  background: linear-gradient(180deg, rgba(237,242,255,0.98), rgba(228,236,255,0.96));
  box-shadow: 0 18px 30px rgba(91, 108, 240, 0.16);
}

.survival-select-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.survival-select-card-head strong {
  font-size: 1rem;
  color: var(--survival-deep);
}

.survival-select-badge {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(91, 108, 240, 0.12);
  color: var(--primary-2);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.survival-select-media {
  min-height: 110px;
  border-radius: 18px;
  border: 1px dashed rgba(184, 196, 233, 0.92);
  background: linear-gradient(180deg, rgba(251,252,255,0.98), rgba(238,242,255,0.94));
  display: grid;
  place-items: center;
  overflow: hidden;
}

.survival-select-media img,
.survival-select-media video,
.survival-selection-preview img,
.survival-selection-preview video {
  width: min(82%, 180px);
  height: min(82%, 112px);
  object-fit: contain;
  filter: drop-shadow(0 10px 16px rgba(18, 31, 80, 0.16));
}

.survival-select-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.93rem;
}

.survival-selection-summary {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.survival-selection-summary-card {
  border: 1px solid rgba(213, 221, 243, 0.98);
  border-radius: 20px;
  background: rgba(249, 251, 255, 0.98);
  padding: 14px;
  display: grid;
  gap: 8px;
}

.survival-selection-summary-card > span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.survival-selection-summary-card strong {
  color: var(--survival-deep);
  font-size: 1.02rem;
}

.survival-selection-summary-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
  font-size: 0.92rem;
}

.survival-selection-preview {
  min-height: 84px;
  border-radius: 16px;
  border: 1px dashed rgba(184, 196, 233, 0.92);
  background: linear-gradient(180deg, rgba(251,252,255,0.98), rgba(238,242,255,0.94));
  display: grid;
  place-items: center;
  overflow: hidden;
}

#survivalSelectBackButton.hidden,
#survivalSelectNextButton.hidden,
#survivalStartButton.hidden {
  display: none;
}

.math-trace-modal.is-kanji-survival .math-trace-guide {
  font-size: clamp(5.4rem, 14vw, 9.8rem);
  letter-spacing: 0.02em;
}

.math-trace-modal.is-kanji-survival .math-trace-stage {
  min-height: 300px;
}

.math-trace-modal.is-kanji-survival #mathTraceCanvas {
  height: 300px;
}

@media (max-width: 1100px) {
  .survival-selection-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .survival-overlay-card-v44 {
    width: min(100%, 96vw);
    padding: 18px 16px 16px;
  }

  .survival-selection-summary {
    grid-template-columns: 1fr;
  }

  .survival-selection-grid {
    grid-template-columns: 1fr;
  }

  .math-trace-modal.is-kanji-survival .math-trace-stage {
    min-height: 260px;
  }

  .math-trace-modal.is-kanji-survival #mathTraceCanvas {
    height: 260px;
  }
}


/* SURVIVAL_WEAPON_SIMPLE_SELECTION_V47 / SURVIVAL_BUDDY_THUMB_SELECTION_V48 */
.survival-overlay-card-v44 {
  width: min(760px, 94%);
  max-height: min(88vh, 860px);
  overflow: auto;
  padding: 20px 22px 24px;
}

.survival-overlay-toolbar {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 0 0 12px;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.98);
}

.survival-overlay-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.survival-selection-grid-simple {
  grid-template-columns: 1fr;
  gap: 10px;
}

.survival-select-list-item {
  min-height: 0;
  padding: 12px 14px;
  border-radius: 18px;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.survival-select-list-item .survival-select-media,
.survival-selection-summary {
  display: none !important;
}

.survival-select-thumb {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(247,250,255,0.98), rgba(231,237,255,0.96));
  border: 1px solid rgba(184, 196, 233, 0.92);
  box-shadow: 0 8px 16px rgba(31, 53, 118, 0.08);
  color: var(--primary-2);
  font-weight: 900;
  font-size: 0.86rem;
  line-height: 1;
}

.survival-select-thumb img,
.survival-select-thumb video,
.survival-select-thumb .survival-selection-preview-media {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 5px 8px rgba(18, 31, 80, 0.18));
}

.survival-select-thumb-weapon {
  background: radial-gradient(circle at 34% 28%, rgba(255,255,255,0.95), rgba(91,108,240,0.14) 52%, rgba(91,108,240,0.24));
}

.survival-select-body {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.survival-select-list-item .survival-select-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
}

.survival-select-list-item .survival-select-card-head strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.survival-select-list-item .survival-select-copy {
  font-size: 0.92rem;
  line-height: 1.5;
}

@media (max-width: 760px) {
  .survival-overlay-card-v44 {
    width: min(100%, 96vw);
    max-height: 100dvh;
    border-radius: 18px;
    padding: 16px 14px 18px;
  }

  .survival-overlay-toolbar .button {
    min-height: 42px;
  }

  .survival-selection-stepbar {
    margin-top: 8px;
    justify-content: flex-start;
  }

  .survival-select-list-item {
    grid-template-columns: 48px minmax(0, 1fr);
    padding: 10px 12px;
  }

  .survival-select-thumb {
    width: 42px;
    height: 42px;
    border-radius: 14px;
  }
}

/* SURVIVAL_STAGE_COVER_MOBILE_V48
   Mobile/tablet play screens are treated as one fixed game stage.
   The background is intentionally cropped with cover, and panels are overlaid. */
@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  body.math-survival-body {
    overflow: hidden;
    background: #071120;
  }

  body.math-survival-body .page-shell {
    width: 100vw !important;
    max-width: none !important;
    height: 100dvh;
    min-height: 100dvh;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden;
  }

  .math-survival-page {
    display: block;
    width: 100vw;
    height: 100dvh;
    overflow: hidden;
  }

  .math-survival-header {
    display: none !important;
  }

  .math-survival-board-shell {
    position: relative;
    width: 100vw;
    height: 100dvh;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    overflow: hidden;
    background: #071120;
  }

  .math-survival-layout {
    display: block;
    width: 100%;
    height: 100%;
  }

  .math-survival-board-panel,
  .math-survival-stage,
  .math-survival-world {
    width: 100%;
    height: 100%;
    min-height: 0 !important;
    max-height: none;
    aspect-ratio: auto !important;
  }

  .math-survival-stage {
    border: 0;
    border-radius: 0;
    overflow: hidden;
  }

  .math-survival-world {
    background:
      linear-gradient(180deg, rgba(10, 18, 40, 0.04), rgba(10, 18, 40, 0.18)),
      var(--survival-bg) center center / cover no-repeat !important;
  }

  .math-survival-sidebar {
    display: none !important;
  }

  .math-survival-topbar {
    position: absolute;
    z-index: 45;
    top: max(6px, env(safe-area-inset-top));
    left: max(6px, env(safe-area-inset-left));
    right: max(6px, env(safe-area-inset-right));
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    pointer-events: none;
  }

  .math-survival-mini-stat {
    pointer-events: auto;
    min-height: 0;
    width: auto;
    min-width: 74px;
    max-width: 116px;
    padding: 6px 8px;
    border-radius: 14px;
    gap: 1px;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(10px);
  }

  .math-survival-mini-stat span {
    font-size: 0.64rem;
  }

  .math-survival-mini-stat strong {
    font-size: 0.92rem;
  }

  .math-survival-toolbar-actions {
    margin-left: auto;
    display: flex;
    gap: 6px;
    flex-wrap: nowrap;
    pointer-events: auto;
  }

  .math-survival-toolbar-actions .button {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 0.78rem;
    border-radius: 999px;
  }

  .survival-player-hp-panel {
    display: none !important;
  }

  .survival-floating-message {
    left: 50%;
    top: auto;
    bottom: max(12px, env(safe-area-inset-bottom));
    width: min(72vw, 680px);
    min-height: 0;
    transform: translateX(-50%);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.82rem;
    background: rgba(255,255,255,0.84);
    backdrop-filter: blur(10px);
  }

  .survival-touch-stick {
    left: max(12px, env(safe-area-inset-left));
    bottom: max(12px, env(safe-area-inset-bottom));
  }

  .survival-touch-shield-button {
    right: max(14px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
  }

  .survival-start-overlay,
  .survival-end-overlay {
    padding: max(8px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
    display: grid;
    place-items: center;
    background: rgba(7, 13, 28, 0.58);
    backdrop-filter: blur(6px);
  }

  .survival-overlay-card-v44 {
    width: min(74vw, 680px);
    max-height: calc(100dvh - 18px);
    padding: 14px 16px 16px;
    border-radius: 20px;
  }

  .survival-overlay-card-v44 .eyebrow {
    display: none;
  }

  .survival-overlay-card-v44 h2 {
    margin-top: 2px;
    font-size: clamp(1.25rem, 3vw, 1.8rem);
  }

  .survival-selection-stepbar {
    margin-top: 8px;
    justify-content: flex-start;
  }

  .survival-selection-copy {
    margin-top: 8px;
    font-size: 0.86rem;
  }

  .survival-selection-grid {
    margin-top: 10px;
    max-height: min(44vh, 290px);
    overflow: auto;
    padding-right: 3px;
  }

  .survival-select-list-item {
    padding: 8px 10px;
    border-radius: 16px;
  }

  .survival-select-list-item .survival-select-copy {
    font-size: 0.78rem;
    line-height: 1.35;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: portrait) {
  .math-survival-sidebar {
    display: none !important;
  }

  .math-survival-world {
    background:
      linear-gradient(180deg, rgba(10, 18, 40, 0.08), rgba(10, 18, 40, 0.2)),
      var(--survival-bg) center center / cover no-repeat !important;
  }

  .math-survival-stage {
    min-height: 70dvh;
  }

  .survival-overlay-card-v44 {
    max-height: calc(100dvh - 32px);
  }
}


/* SURVIVAL_CLEAR_VIEW_V50B */
.survival-floating-message {
  display: none !important;
}

@media (hover: none) and (pointer: coarse) {
  .survival-touch-shield-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  .survival-dpad-actions {
    display: none !important;
  }

  .survival-touch-shield-button {
    left: calc(max(12px, env(safe-area-inset-left)) + 138px) !important;
    right: auto !important;
    bottom: max(28px, calc(env(safe-area-inset-bottom) + 28px)) !important;
    min-width: 78px !important;
    max-width: 88px;
    min-height: 40px !important;
    padding: 0 10px !important;
    border-radius: 999px;
    font-size: 0.74rem !important;
    line-height: 1;
    white-space: nowrap;
    box-shadow: 0 10px 20px rgba(57, 82, 204, 0.22), 0 0 0 3px rgba(255,255,255,0.22);
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) and (max-width: 900px) {
  .survival-touch-shield-button {
    left: calc(max(10px, env(safe-area-inset-left)) + 126px) !important;
    bottom: max(24px, calc(env(safe-area-inset-bottom) + 24px)) !important;
    min-width: 72px !important;
    max-width: 84px;
    min-height: 38px !important;
    font-size: 0.7rem !important;
    padding: 0 8px !important;
  }
}

/* SURVIVAL_COOP_BETA_V51 */
.survival-coop-toggle {
  white-space: nowrap;
}

.survival-coop-panel {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  background: rgba(8, 13, 30, 0.54);
  backdrop-filter: blur(10px);
}

.survival-coop-panel.hidden,
.survival-coop-grid.hidden,
.survival-coop-controller.hidden,
.survival-coop-room.hidden {
  display: none !important;
}

.survival-coop-card {
  width: min(760px, 96vw);
  max-height: min(88dvh, 760px);
  overflow: auto;
  padding: 20px;
  background: rgba(255,255,255,0.96);
}

.survival-coop-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 12px;
}

.survival-coop-head h2 {
  margin: 0;
  color: var(--survival-deep);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
}

.survival-coop-status {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(238, 243, 255, 0.96);
  color: var(--muted);
  font-weight: 800;
}

.survival-coop-status.is-error {
  background: rgba(255, 233, 233, 0.96);
  color: #b64c4c;
}

.survival-coop-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.survival-coop-box {
  border: 1px solid rgba(213, 221, 243, 0.98);
  border-radius: 18px;
  padding: 14px;
  background: rgba(249,251,255,0.98);
  display: grid;
  gap: 10px;
}

.survival-coop-box h3 {
  margin: 0;
  color: var(--survival-deep);
}

.survival-coop-box p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.92rem;
}

.survival-coop-room {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 14px;
  background: rgba(232, 238, 255, 0.98);
}

.survival-coop-room strong {
  font-size: 2rem;
  letter-spacing: 0.12em;
  color: var(--primary-2);
  text-align: center;
}

.survival-coop-join-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.survival-coop-join-row input {
  width: 100%;
  border: 1px solid rgba(184, 196, 233, 0.95);
  border-radius: 999px;
  padding: 12px 14px;
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-align: center;
  color: var(--survival-deep);
  background: rgba(255,255,255,0.96);
}

.survival-coop-controller {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(213, 221, 243, 0.98);
  background: linear-gradient(180deg, rgba(250,252,255,0.98), rgba(235,241,255,0.96));
}

.survival-coop-controller-title {
  margin: 0;
  color: var(--survival-deep);
  font-weight: 900;
  font-size: 1.18rem;
}

.survival-coop-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.survival-coop-actions .button {
  min-height: 58px;
  border-radius: 18px;
}

.math-survival-board-shell.is-coop-buddy .math-survival-topbar,
#mathSurvivalRoot.is-coop-buddy .math-survival-topbar {
  opacity: 0.7;
}

@media (max-width: 720px), (hover: none) and (pointer: coarse) {
  .survival-coop-card {
    width: min(100%, 96vw);
    max-height: calc(100dvh - 18px);
    padding: 16px;
  }

  .survival-coop-grid {
    grid-template-columns: 1fr;
  }

  .survival-coop-actions {
    grid-template-columns: 1fr;
  }

  .survival-coop-actions .button {
    min-height: 54px;
  }

  .survival-coop-room {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  .survival-coop-panel {
    padding: 8px;
  }

  .survival-coop-card {
    width: min(86vw, 780px);
    max-height: calc(100dvh - 12px);
    padding: 14px;
  }

  .survival-coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .survival-coop-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .survival-coop-actions .button {
    min-height: 48px;
  }
}


/* SURVIVAL_COOP_BETA_V53: clearer co-op state and faster-feel UI */
.survival-coop-role-hint {
  margin: 8px 0 0;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(232, 238, 255, 0.88);
  color: var(--survival-deep);
  font-weight: 800;
  line-height: 1.55;
}

.survival-coop-role-hint.hidden {
  display: none !important;
}

.survival-coop-panel.is-coop-player-role .survival-coop-buddy-box {
  opacity: 0.42;
  pointer-events: none;
}

.survival-coop-panel.is-coop-player-role .survival-coop-buddy-box::after {
  content: "相手側で操作";
  display: inline-flex;
  margin-top: 8px;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(91, 108, 240, 0.12);
  color: var(--primary-2);
  font-size: 0.82rem;
  font-weight: 900;
}

.survival-coop-panel.is-coop-buddy-role .survival-coop-setup {
  display: none !important;
}

.survival-coop-panel.is-coop-buddy-role .survival-coop-controller {
  display: block;
}

.survival-coop-status {
  font-weight: 900;
}

.survival-coop-status:not(.is-error) {
  background: rgba(232, 238, 255, 0.92);
  color: var(--survival-deep);
}

.survival-coop-actions .button {
  min-height: 52px;
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  .survival-coop-card {
    max-height: calc(100dvh - 24px);
    overflow: auto;
  }
  .survival-coop-actions .button {
    min-height: 44px;
    font-size: 0.86rem;
  }
}


/* SURVIVAL_COOP_BETA_V54: visible flow guide and close-button clarification */
.survival-coop-steps {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.survival-coop-step-box {
  border: 1px solid rgba(213, 221, 243, 0.96);
  border-radius: 16px;
  background: rgba(249, 251, 255, 0.9);
  padding: 10px 12px;
}

.survival-coop-step-box strong {
  display: block;
  margin-bottom: 6px;
  color: var(--survival-deep);
}

.survival-coop-step-box ol {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-weight: 800;
  line-height: 1.45;
  font-size: 0.88rem;
}

.survival-coop-panel.is-coop-buddy-role #survivalCoopCloseButton {
  background: rgba(255,255,255,0.86);
  color: var(--muted);
}

.survival-coop-panel.is-coop-buddy-role .survival-coop-controller-title::after {
  content: "（この画面は閉じずに操作）";
  margin-left: 0.45em;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 800;
}

.survival-coop-panel.is-coop-player-role .survival-coop-step-box:first-child {
  border-color: rgba(91, 108, 240, 0.55);
  background: rgba(232, 238, 255, 0.9);
}

.survival-coop-panel.is-coop-buddy-role .survival-coop-step-box:last-child {
  border-color: rgba(91, 108, 240, 0.55);
  background: rgba(232, 238, 255, 0.9);
}

@media (max-width: 760px), (hover: none) and (pointer: coarse) {
  .survival-coop-steps {
    grid-template-columns: 1fr;
  }

  .survival-coop-step-box {
    padding: 9px 10px;
  }

  .survival-coop-step-box ol {
    font-size: 0.82rem;
  }
}


/* SURVIVAL_COOP_BETA_V55: queue support sent before game start and clarify selected buddy */
.survival-coop-step-note {
  display: block;
  margin-top: 8px;
  color: var(--primary-2);
  font-weight: 900;
  line-height: 1.45;
}


/* SURVIVAL_COOP_MAKIBISHI_V56 */
.survival-coop-actions {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.survival-coop-actions [data-coop-action="caltrop"] {
  background: linear-gradient(135deg, #6f7cff, #8aa7ff);
}

@media (max-width: 880px), (hover: none) and (pointer: coarse) {
  .survival-coop-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .survival-coop-actions {
    grid-template-columns: 1fr;
  }
}


/* MATH_SURVIVAL_V112: math answer is now a 2-choice quiz after formula tracing. */
.math-trace-choice-box {
  display: grid;
  gap: 16px;
  margin: 16px 0 8px;
}
.math-trace-choice-box.hidden {
  display: none !important;
}
.math-trace-choice-problem {
  margin: 0;
  border-radius: 22px;
  padding: clamp(18px, 4vw, 28px);
  background: linear-gradient(135deg, rgba(45, 60, 140, 0.96), rgba(83, 94, 220, 0.96));
  color: #fff;
  font-size: clamp(2.2rem, 7vw, 4rem);
  font-weight: 1000;
  text-align: center;
  letter-spacing: 0.04em;
  box-shadow: 0 16px 32px rgba(58, 77, 190, 0.22);
}
.math-trace-choice-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.math-trace-choice-option {
  appearance: none;
  border: 0;
  border-radius: 24px;
  padding: clamp(18px, 4vw, 26px) 12px;
  color: #fff;
  background: linear-gradient(135deg, #ffae3d, #ff7d4f);
  box-shadow: 0 12px 26px rgba(255, 117, 64, 0.24);
  font-size: clamp(2rem, 8vw, 3.6rem);
  font-weight: 1000;
  cursor: pointer;
}
.math-trace-choice-option:nth-child(2) {
  background: linear-gradient(135deg, #39c992, #2ea3ff);
  box-shadow: 0 12px 26px rgba(46, 163, 255, 0.24);
}
.math-trace-choice-option.is-correct {
  outline: 5px solid rgba(90, 238, 147, 0.9);
  filter: saturate(1.18) brightness(1.08);
}
.math-trace-choice-option.is-wrong {
  outline: 5px solid rgba(255, 82, 108, 0.85);
  filter: grayscale(0.18) brightness(0.92);
}
.math-trace-modal.is-choice-step .math-trace-stage,
.math-trace-modal.is-choice-step .math-trace-progress,
.math-trace-modal.is-choice-step .math-trace-actions {
  display: none !important;
}
@media (max-width: 560px) {
  .math-trace-choice-options {
    gap: 10px;
  }
  .math-trace-choice-option {
    border-radius: 20px;
  }
}

/* MATH_SURVIVAL_V114: answer-select math mode + shared 7-family weapon evolution. */
.survival-math-options {
  display: grid;
  gap: 12px;
  margin: 14px 0 18px;
  padding: 14px;
  border-radius: 20px;
  background: rgba(244, 247, 255, 0.92);
  border: 1px solid rgba(188, 200, 238, 0.78);
}

.survival-math-options-title {
  margin: 0;
  color: #26335f;
  font-size: 0.92rem;
  font-weight: 900;
}

.survival-math-mode-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.survival-math-mode-button {
  appearance: none;
  border: 1px solid rgba(95, 119, 210, 0.28);
  border-radius: 16px;
  padding: 12px 14px;
  background: #fff;
  color: #31406f;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(38, 53, 118, 0.08);
}

.survival-math-mode-button.is-active,
.survival-math-mode-button[aria-pressed="true"] {
  color: #fff;
  background: linear-gradient(135deg, #4f64ff, #36b8ff);
  border-color: transparent;
  box-shadow: 0 12px 24px rgba(69, 102, 255, 0.26);
}

.survival-repeat-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #39456c;
  font-size: 0.9rem;
  font-weight: 800;
}

.survival-repeat-toggle input {
  width: 1.2em;
  height: 1.2em;
  accent-color: #4f64ff;
}

.survival-weapon-icon,
.survival-selection-weapon-icon,
.survival-side-weapon-icon,
.survival-pickup-icon {
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  overflow: hidden;
  color: #fff;
  font-weight: 1000;
  line-height: 1;
  text-align: center;
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0.12) 24%, transparent 25%),
    linear-gradient(135deg, #5f73ff, #36c3ff);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.38), 0 8px 16px rgba(38, 58, 142, 0.16);
}

.survival-selection-weapon-icon {
  width: 42px;
  height: 42px;
  font-size: 0.72rem;
}

.survival-side-weapon-icon {
  width: 44px;
  height: 44px;
  font-size: 0.74rem;
}

.survival-pickup-icon {
  position: absolute;
  inset: 9%;
  z-index: 2;
  font-size: 0.74rem;
}

.survival-weapon-icon img,
.survival-selection-weapon-icon img,
.survival-side-weapon-icon img,
.survival-pickup-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.survival-weapon-icon.has-image,
.survival-selection-weapon-icon.has-image,
.survival-side-weapon-icon.has-image,
.survival-pickup-icon.has-image {
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.18), rgba(255,255,255,0.06) 70%, transparent 100%);
  box-shadow: 0 8px 18px rgba(26, 36, 83, 0.18);
}

.survival-pickup-icon.has-image {
  background: transparent;
  box-shadow: none;
}

.survival-weapon-icon.has-image img,
.survival-selection-weapon-icon.has-image img,
.survival-side-weapon-icon.has-image img,
.survival-pickup-icon.has-image img {
  object-fit: contain;
}


.survival-weapon-icon-drone,
.survival-selection-weapon-icon-drone,
.survival-side-weapon-icon-drone,
.survival-pickup-icon-drone {
  background: linear-gradient(135deg, #3b4d7c, #6cd9ff);
}

.survival-weapon-icon-katana,
.survival-selection-weapon-icon-katana,
.survival-side-weapon-icon-katana,
.survival-pickup-icon-katana {
  background: linear-gradient(135deg, #252b3d, #ff6f8f);
}

.survival-weapon-icon-orbit,
.survival-selection-weapon-icon-orbit,
.survival-side-weapon-icon-orbit,
.survival-pickup-icon-orbit {
  background: linear-gradient(135deg, #30418a, #8ee5ff);
}

.survival-weapon-icon-beam,
.survival-selection-weapon-icon-beam,
.survival-side-weapon-icon-beam,
.survival-pickup-icon-beam {
  background: linear-gradient(135deg, #3d2b88, #d88cff);
}

.survival-weapon-icon-thunder,
.survival-selection-weapon-icon-thunder,
.survival-side-weapon-icon-thunder,
.survival-pickup-icon-thunder {
  background: linear-gradient(135deg, #4051a8, #ffd65a);
}

.survival-weapon-icon-ton,
.survival-selection-weapon-icon-ton,
.survival-side-weapon-icon-ton,
.survival-pickup-icon-ton {
  background: linear-gradient(135deg, #69513a, #ffb04f);
}

.survival-pickup-aura {
  position: absolute;
  inset: -18%;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255,255,255,0.58), transparent 64%);
  animation: survival-pickup-ring 1.1s ease-out infinite;
}

.survival-pickup-label {
  position: absolute;
  left: 50%;
  top: calc(100% + 6px);
  transform: translateX(-50%);
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(17, 27, 62, 0.72);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 6px 12px rgba(12, 20, 50, 0.18);
}

.survival-side-weapon-list {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}

.survival-side-weapon-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border-radius: 12px;
  background: rgba(242, 245, 255, 0.74);
  color: #687391;
}

.survival-side-weapon-row.is-unlocked {
  background: rgba(232, 243, 255, 0.98);
  color: #26355f;
  box-shadow: inset 0 0 0 1px rgba(128, 162, 255, 0.22);
}

.survival-side-weapon-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 900;
}

.survival-side-weapon-row small {
  color: inherit;
  opacity: 0.82;
  font-weight: 800;
}

.survival-projectile-drone-shot {
  border-radius: 60% 42% 42% 60%;
  background: linear-gradient(90deg, #dfffff, #77d9ff 45%, #3380ff 100%);
  box-shadow: 0 0 16px rgba(78, 196, 255, 0.7), 0 0 28px rgba(61, 112, 255, 0.28);
}

.survival-projectile-ton {
  border-radius: 28% 34% 38% 30%;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.45), transparent 24%),
    linear-gradient(135deg, #6f5a4a, #c69a66 55%, #7b533b);
  box-shadow: 0 10px 18px rgba(52, 35, 24, 0.24), 0 0 24px rgba(255, 160, 62, 0.34);
}

.survival-projectile-ton::before {
  content: "1t";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.58rem;
  font-weight: 1000;
  text-shadow: 0 1px 3px rgba(0,0,0,0.34);
}

.survival-weapon-drone {
  z-index: 4;
  border-radius: 46% 54% 50% 50%;
  background:
    radial-gradient(circle at 50% 42%, rgba(255,255,255,0.92), rgba(147,225,255,0.9) 22%, transparent 23%),
    linear-gradient(135deg, #42537d, #6bcfff);
  box-shadow: 0 0 18px rgba(75, 201, 255, 0.55), 0 10px 18px rgba(18, 29, 74, 0.2);
}

.survival-weapon-drone::before,
.survival-weapon-drone::after {
  content: "";
  position: absolute;
  top: 46%;
  width: 32%;
  height: 10%;
  border-radius: 999px;
  background: rgba(225, 247, 255, 0.96);
  box-shadow: 0 0 8px rgba(111, 216, 255, 0.9);
}

.survival-weapon-drone::before { left: -20%; }
.survival-weapon-drone::after { right: -20%; }

.survival-slash-fx {
  position: absolute;
  z-index: 7;
  pointer-events: none;
  border-radius: 50%;
  background: conic-gradient(from 300deg, transparent 0 12%, rgba(255,255,255,0.96) 15%, rgba(255,112,148,0.78) 24%, transparent 36% 100%);
  filter: drop-shadow(0 0 14px rgba(255, 100, 144, 0.7));
  transform-origin: center center;
}

.survival-beam-fx {
  position: absolute;
  z-index: 7;
  pointer-events: none;
  transform-origin: left center;
  border-radius: 999px;
  margin-top: -0.5%;
  background: linear-gradient(90deg, rgba(255,255,255,0.1), rgba(255,255,255,0.96), rgba(159,102,255,0.9), rgba(90,217,255,0.72), transparent);
  box-shadow: 0 0 16px rgba(138, 103, 255, 0.75), 0 0 34px rgba(94, 215, 255, 0.42);
}

.survival-thunder-fx {
  position: absolute;
  z-index: 7;
  transform: translate(-50%, -50%);
  pointer-events: none;
  border-radius: 999px;
  border: 3px solid rgba(255, 228, 91, 0.8);
  background: radial-gradient(circle, rgba(255,255,255,0.65), rgba(255,221,80,0.26) 34%, transparent 68%);
  box-shadow: 0 0 22px rgba(255, 229, 83, 0.72), 0 0 44px rgba(89, 116, 255, 0.32);
}

.survival-thunder-fx span {
  position: absolute;
  left: 48%;
  top: -42%;
  width: 14%;
  height: 126%;
  transform: rotate(14deg);
  clip-path: polygon(45% 0, 72% 0, 55% 38%, 82% 38%, 32% 100%, 44% 52%, 20% 52%);
  background: linear-gradient(180deg, #fff, #ffe15b 58%, #7ee7ff);
  filter: drop-shadow(0 0 10px rgba(255, 230, 87, 0.95));
}

.math-trace-modal.is-choice-step .math-trace-problem-text {
  font-size: clamp(1rem, 3vw, 1.35rem);
}

@media (max-width: 720px) {
  .survival-math-mode-buttons {
    grid-template-columns: 1fr;
  }
  .survival-side-weapon-row {
    grid-template-columns: 28px minmax(0, 1fr) auto;
  }
  .survival-side-weapon-row small {
    grid-column: 2 / -1;
  }
}

.survival-math-option-group {
  display: grid;
  grid-template-columns: auto repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 10px;
}

.survival-math-option-group > span {
  color: #26335f;
  font-size: 0.92rem;
  font-weight: 900;
}

@media (max-width: 720px) {
  .survival-math-option-group {
    grid-template-columns: 1fr;
  }
}

/* MATH_SURVIVAL_V116: canvas-drawn weapon fallback visuals */
.survival-weapon-art-image,
.survival-canvas-weapon-art {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.survival-projectile.has-canvas-art,
.survival-weapon-drone.has-canvas-art,
.survival-orbit-blade.has-canvas-art,
.survival-slash-fx.has-canvas-art,
.survival-beam-fx.has-canvas-art,
.survival-thunder-fx.has-canvas-art,
.survival-projectile.has-art-image,
.survival-weapon-drone.has-art-image,
.survival-orbit-blade.has-art-image,
.survival-slash-fx.has-art-image,
.survival-beam-fx.has-art-image,
.survival-thunder-fx.has-art-image {
  background: transparent !important;
  box-shadow: none !important;
  border: 0 !important;
  clip-path: none !important;
}

.survival-projectile.has-canvas-art::before,
.survival-projectile.has-canvas-art::after,
.survival-weapon-drone.has-canvas-art::before,
.survival-weapon-drone.has-canvas-art::after,
.survival-orbit-blade.has-canvas-art::before,
.survival-orbit-blade.has-canvas-art::after,
.survival-slash-fx.has-canvas-art::before,
.survival-slash-fx.has-canvas-art::after,
.survival-beam-fx.has-canvas-art::before,
.survival-beam-fx.has-canvas-art::after,
.survival-thunder-fx.has-canvas-art::before,
.survival-thunder-fx.has-canvas-art::after,
.survival-thunder-fx.has-canvas-art span,
.survival-projectile.has-art-image::before,
.survival-projectile.has-art-image::after,
.survival-weapon-drone.has-art-image::before,
.survival-weapon-drone.has-art-image::after,
.survival-orbit-blade.has-art-image::before,
.survival-orbit-blade.has-art-image::after,
.survival-slash-fx.has-art-image::before,
.survival-slash-fx.has-art-image::after,
.survival-beam-fx.has-art-image::before,
.survival-beam-fx.has-art-image::after,
.survival-thunder-fx.has-art-image::before,
.survival-thunder-fx.has-art-image::after,
.survival-thunder-fx.has-art-image span {
  display: none !important;
  content: none !important;
}

.survival-projectile-art,
.survival-drone-art,
.survival-orbit-art,
.survival-slash-art,
.survival-beam-art,
.survival-thunder-art {
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.24));
}

.survival-beam-fx.has-canvas-art,
.survival-beam-fx.has-art-image {
  overflow: visible;
}

.survival-beam-art {
  object-fit: fill;
}

/* MATH_SURVIVAL_V117: pickup/icon visibility and weapon scale tuning */

/* MATH_SURVIVAL_V118: pickup downsizing and drone sizing refinement */


/* MATH_SURVIVAL_V119: pickup icon cleanup and label removal */
.survival-pickup-icon,
.survival-pickup-icon.has-image {
  background: transparent !important;
  box-shadow: none !important;
  border: 0 !important;
}

.survival-pickup-icon img,
.survival-pickup-icon.has-image img {
  object-fit: contain !important;
}

.survival-pickup-label {
  display: none !important;
}


/* MATH_SURVIVAL_V120: remove inner dark pickup orb while keeping outer aura ring */
.survival-pickup {
  background: transparent !important;
  box-shadow: none !important;
}

.survival-pickup.has-image,
.survival-pickup .survival-pickup-icon.has-image {
  background: transparent !important;
  box-shadow: none !important;
}

.survival-pickup-icon,
.survival-pickup-icon.has-image {
  background: transparent !important;
  box-shadow: none !important;
  border: 0 !important;
}

.survival-pickup-icon img,
.survival-pickup-icon.has-image img {
  object-fit: contain !important;
  transform: scale(1.22);
  transform-origin: center center;
}

.survival-pickup-label {
  display: none !important;
}


/* MATH_SURVIVAL_V121: tone down outer pickup ring */
.survival-pickup::before {
  inset: -16% !important;
  border-width: 1.5px !important;
  border-color: rgba(154, 223, 255, 0.42) !important;
}

.survival-pickup::after {
  inset: -30% !important;
  border-width: 1.5px !important;
  border-color: rgba(154, 223, 255, 0.26) !important;
}

@keyframes survival-pickup-ring-v121 {
  0% { transform: scale(0.82); opacity: 0.48; }
  100% { transform: scale(1.16); opacity: 0; }
}

.survival-pickup::before,
.survival-pickup::after {
  animation-name: survival-pickup-ring-v121 !important;
}


/* MATH_SURVIVAL_V122: remove outermost pickup ring and add mixed mode polish */
.survival-pickup::after {
  display: none !important;
  content: none !important;
  animation: none !important;
  border: 0 !important;
}

.survival-pickup::before {
  inset: -12% !important;
  border-width: 1.4px !important;
  border-color: rgba(154, 223, 255, 0.38) !important;
}

.math-trace-choice-option {
  min-width: min(220px, 42vw);
}


/* MATH_SURVIVAL_V123: visible mixed mode switch */
.survival-math-mode-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  min-height: 44px;
}

.survival-mixed-mode-callout {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px auto 10px;
  padding: 10px 12px;
  border: 1px solid rgba(99, 125, 255, 0.25);
  border-radius: 18px;
  background: rgba(245, 248, 255, 0.92);
  color: #26355f;
  font-weight: 900;
  text-align: center;
}

.survival-mixed-mode-callout > span {
  font-size: 0.92rem;
  color: #58647f;
  font-weight: 800;
}

.survival-mixed-mode-links,
.survival-mixed-current-links {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.survival-mixed-mode-links a,
.survival-mixed-current-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(238, 243, 255, 0.96);
  color: #4059d9;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 900;
}


/* MATH_SURVIVAL_V124: grade 5 term 1 kanji reading choices */
.math-trace-choice-box.is-kanji-reading-choice-v124 {
  gap: 14px;
}

.kanji-reading-question-v124 {
  display: grid;
  justify-items: center;
  gap: 8px;
  line-height: 1.35;
}

.kanji-reading-question-v124 .kanji-reading-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(78, 101, 255, 0.11);
  color: #4d5fd7;
  font-size: 0.78rem;
  font-weight: 900;
}

.kanji-reading-question-v124 strong {
  font-size: clamp(2.3rem, 8vw, 4.4rem);
  letter-spacing: 0.08em;
  color: #23345d;
  text-shadow: 0 8px 20px rgba(72, 96, 168, 0.12);
}

.kanji-reading-question-v124 .kanji-reading-sentence {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: min(620px, 86vw);
  padding: 9px 14px;
  border-radius: 14px;
  background: rgba(245, 248, 255, 0.92);
  color: #52607e;
  font-size: clamp(0.95rem, 2.8vw, 1.18rem);
  font-weight: 800;
}

.kanji-reading-question-v124 small {
  color: #6b7692;
  font-weight: 900;
}

.math-trace-choice-box.is-kanji-reading-choice-v124 .math-trace-choice-options {
  gap: 12px;
}

.math-trace-choice-box.is-kanji-reading-choice-v124 .math-trace-choice-option {
  min-width: min(260px, 72vw);
  font-size: clamp(1.18rem, 4vw, 1.55rem);
  letter-spacing: 0.04em;
}


/* MATH_SURVIVAL_V125: readability, keypad, AT field, choice modes */
.math-trace-choice-box.is-kanji-reading-choice-v124 .math-trace-choice-problem {
  background: #f3f5f8 !important;
  color: #151b2d !important;
  border: 2px solid #dfe5f1 !important;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.7), 0 12px 28px rgba(37, 48, 86, 0.08) !important;
}

.kanji-reading-question-v124 .kanji-reading-badge,
.kanji-reading-question-v124 small {
  display: none !important;
}

.kanji-reading-question-v124 strong {
  color: #101727 !important;
  text-shadow: none !important;
}

.kanji-reading-question-v124 .kanji-reading-sentence {
  background: #ffffff !important;
  color: #1e2639 !important;
  border: 1px solid #dce3ef;
  box-shadow: 0 8px 18px rgba(37, 48, 86, 0.08);
}

.survival-kanji-options {
  margin: 12px 0 16px;
  padding: 14px 16px;
  border: 1px solid rgba(99, 122, 255, 0.24);
  border-radius: 20px;
  background: rgba(247, 249, 255, 0.92);
}

.survival-answer-mode-button,
.survival-kanji-practice-button {
  border: 0;
  border-radius: 18px;
  padding: 12px 18px;
  font-weight: 900;
  background: #fff;
  color: #26355f;
  box-shadow: inset 0 0 0 1px rgba(115, 138, 255, 0.24);
  cursor: pointer;
}

.survival-answer-mode-button.is-active,
.survival-kanji-practice-button.is-active {
  color: #fff;
  background: linear-gradient(135deg, #5167ff, #33b8f4);
  box-shadow: 0 10px 22px rgba(61, 91, 220, 0.26);
}

.math-trace-choice-box.is-math-keypad-choice-v125 .math-trace-choice-options {
  display: grid;
  gap: 12px;
  justify-items: center;
}

.math-trace-keypad-v125 {
  width: min(430px, 92vw);
  display: grid;
  gap: 12px;
}

.math-trace-keypad-display {
  min-height: 58px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: #f5f7fb;
  color: #111827;
  font-size: clamp(1.6rem, 6vw, 2.6rem);
  font-weight: 1000;
  box-shadow: inset 0 0 0 2px #dfe6f2;
}

.math-trace-keypad-display.is-empty {
  color: #8792aa;
  font-size: 1.2rem;
}

.math-trace-keypad-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.math-trace-keypad-button,
.math-trace-keypad-submit,
.math-trace-return-button-v125 {
  border: 0;
  border-radius: 16px;
  padding: 14px 12px;
  font-weight: 1000;
  cursor: pointer;
}

.math-trace-keypad-button {
  background: #ffffff;
  color: #17213b;
  font-size: 1.45rem;
  box-shadow: inset 0 0 0 1px #d7e0ef, 0 8px 16px rgba(28, 42, 78, 0.08);
}

.math-trace-keypad-submit {
  background: linear-gradient(135deg, #25bd86, #25a7e8);
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 10px 22px rgba(37, 150, 180, 0.24);
}

.math-trace-keypad-submit:disabled {
  opacity: 0.46;
  cursor: not-allowed;
}

.math-trace-return-button-v125 {
  grid-column: 1 / -1;
  width: min(440px, 92vw);
  background: #fff7ed;
  color: #9a3412;
  font-size: 1.05rem;
  box-shadow: inset 0 0 0 2px #fed7aa, 0 10px 22px rgba(154, 52, 18, 0.12);
}

.math-trace-return-button-v125 span {
  display: block;
  margin-top: 3px;
  font-size: 0.82rem;
  color: #7c2d12;
}

.survival-atfield-ring {
  z-index: 2;
  pointer-events: none;
  border-radius: 999px;
  border: 3px solid rgba(255, 196, 88, 0.66);
  background: radial-gradient(circle, rgba(255, 230, 143, 0.08), rgba(255, 230, 143, 0.03) 54%, transparent 68%);
  box-shadow: 0 0 18px rgba(255, 198, 74, 0.28), inset 0 0 22px rgba(255, 236, 178, 0.18);
}

.survival-atfield-ring span {
  position: absolute;
  inset: 11%;
  border-radius: inherit;
  border: 1.5px dashed rgba(255, 244, 184, 0.55);
  animation: survival-atfield-spin-v125 6s linear infinite;
}

@keyframes survival-atfield-spin-v125 {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.survival-weapon-icon-atfield,
.survival-selection-weapon-icon-atfield,
.survival-side-weapon-icon-atfield,
.survival-pickup-icon-atfield {
  background: linear-gradient(135deg, #795dff, #ffd166);
}


/* MATH_SURVIVAL_V126: button click fix and hex pink AT field */
.survival-answer-option-group,
.survival-kanji-practice-option-group,
.survival-math-option-group {
  position: relative;
  z-index: 6;
}

.survival-answer-mode-button,
.survival-kanji-practice-button {
  position: relative !important;
  z-index: 8 !important;
  pointer-events: auto !important;
  touch-action: manipulation;
}

.survival-answer-mode-button[disabled],
.survival-kanji-practice-button[disabled] {
  opacity: 1 !important;
  cursor: pointer !important;
}

.survival-atfield-ring {
  z-index: 2;
  pointer-events: none;
  border: 0 !important;
  border-radius: 0 !important;
  background: linear-gradient(135deg, rgba(255, 96, 196, 0.22), rgba(255, 170, 230, 0.12)) !important;
  clip-path: polygon(25% 6%, 75% 6%, 96% 50%, 75% 94%, 25% 94%, 4% 50%);
  box-shadow: 0 0 18px rgba(255, 91, 203, 0.34), inset 0 0 24px rgba(255, 179, 236, 0.22) !important;
}

.survival-atfield-ring::before {
  content: '';
  position: absolute;
  inset: 7%;
  clip-path: inherit;
  border: 2.4px solid rgba(255, 168, 229, 0.88);
  box-shadow: 0 0 16px rgba(255, 111, 211, 0.28);
}

.survival-atfield-ring span {
  position: absolute;
  inset: 16%;
  clip-path: inherit;
  border-radius: 0 !important;
  border: 2px solid rgba(255, 217, 244, 0.78) !important;
  background: linear-gradient(135deg, rgba(255, 133, 216, 0.18), rgba(255, 255, 255, 0.03));
  animation: survival-atfield-spin-v126 4.8s linear infinite;
}

@keyframes survival-atfield-spin-v126 {
  from { transform: rotate(0deg) scale(0.98); }
  50% { transform: rotate(180deg) scale(1.02); }
  to { transform: rotate(360deg) scale(0.98); }
}


/* MATH_SURVIVAL_V128: question book mode, repeat default off, and v127 AT field */
.survival-atfield-ring { z-index: 2; pointer-events: none; border: 0 !important; border-radius: 0 !important; background: transparent !important; clip-path: polygon(25% 6%, 75% 6%, 96% 50%, 75% 94%, 25% 94%, 4% 50%); box-shadow: none !important; }
.survival-atfield-ring::before { content: ''; position: absolute; inset: 2%; clip-path: inherit; border: 4px solid rgba(255, 126, 220, 0.96) !important; box-shadow: 0 0 10px rgba(255, 85, 201, 0.55), 0 0 22px rgba(255, 85, 201, 0.28), inset 0 0 6px rgba(255, 193, 238, 0.16) !important; background: transparent !important; }
.survival-atfield-ring::after { content: ''; position: absolute; inset: 10%; clip-path: inherit; border: 2.5px solid rgba(255, 196, 240, 0.86) !important; box-shadow: 0 0 12px rgba(255, 111, 211, 0.22) !important; background: transparent !important; }
.survival-atfield-ring span { position: absolute; inset: 22%; clip-path: inherit; border-radius: 0 !important; border: 1.8px solid rgba(255, 222, 247, 0.58) !important; background: transparent !important; box-shadow: none !important; animation: survival-atfield-spin-v127 4.2s linear infinite; }
@keyframes survival-atfield-spin-v127 { from { transform: rotate(0deg) scale(0.985); } 50% { transform: rotate(180deg) scale(1.015); } to { transform: rotate(360deg) scale(0.985); } }
.survival-question-book-selection-v128 { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.survival-question-book-button-v128 { border: 0; border-radius: 999px; padding: 9px 13px; font-weight: 900; color: #26355f; background: #fff; box-shadow: inset 0 0 0 1px rgba(115, 138, 255, 0.28), 0 6px 14px rgba(34, 47, 99, 0.06); cursor: pointer; }
.survival-question-book-button-v128.is-active { color: #fff; background: linear-gradient(135deg, #6d5dff, #dd6cff); box-shadow: 0 9px 18px rgba(109, 93, 255, 0.22); }
.survival-question-book-empty-v128 { display: block; color: #6b7280; font-size: 0.86rem; font-weight: 800; }


/* MATH_SURVIVAL_V129: visible AT field, larger orbit disk, question-book dropdown */
.survival-atfield-ring {
  z-index: 6 !important;
  pointer-events: none;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  clip-path: none !important;
  box-shadow: none !important;
  opacity: 1 !important;
}

.survival-atfield-ring::before {
  content: '' !important;
  position: absolute !important;
  inset: -2% !important;
  border: 0 !important;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpolygon points='50,4 92,27 92,73 50,96 8,73 8,27' fill='none' stroke='%23ff5fd8' stroke-width='6' stroke-linejoin='round'/%3E%3Cpolygon points='50,15 82,32 82,68 50,85 18,68 18,32' fill='none' stroke='%23ffd2f3' stroke-width='3' stroke-linejoin='round' opacity='.95'/%3E%3Cpath d='M50 4 L50 15 M92 27 L82 32 M92 73 L82 68 M50 96 L50 85 M8 73 L18 68 M8 27 L18 32' stroke='%23ffffff' stroke-width='1.5' opacity='.7'/%3E%3C/svg%3E") center / 100% 100% no-repeat !important;
  filter: drop-shadow(0 0 7px rgba(255, 82, 208, 0.95)) drop-shadow(0 0 16px rgba(255, 82, 208, 0.42));
  clip-path: none !important;
}

.survival-atfield-ring::after {
  content: '' !important;
  position: absolute !important;
  inset: 5% !important;
  border: 0 !important;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpolygon points='50,4 92,27 92,73 50,96 8,73 8,27' fill='none' stroke='%23ff5fd8' stroke-width='6' stroke-linejoin='round'/%3E%3Cpolygon points='50,15 82,32 82,68 50,85 18,68 18,32' fill='none' stroke='%23ffd2f3' stroke-width='3' stroke-linejoin='round' opacity='.95'/%3E%3Cpath d='M50 4 L50 15 M92 27 L82 32 M92 73 L82 68 M50 96 L50 85 M8 73 L18 68 M8 27 L18 32' stroke='%23ffffff' stroke-width='1.5' opacity='.7'/%3E%3C/svg%3E") center / 100% 100% no-repeat !important;
  opacity: 0.46;
  filter: drop-shadow(0 0 8px rgba(255, 210, 245, 0.55));
  clip-path: none !important;
}

.survival-atfield-ring span {
  position: absolute !important;
  inset: 20% !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpolygon points='50,4 92,27 92,73 50,96 8,73 8,27' fill='none' stroke='%23ff5fd8' stroke-width='6' stroke-linejoin='round'/%3E%3Cpolygon points='50,15 82,32 82,68 50,85 18,68 18,32' fill='none' stroke='%23ffd2f3' stroke-width='3' stroke-linejoin='round' opacity='.95'/%3E%3Cpath d='M50 4 L50 15 M92 27 L82 32 M92 73 L82 68 M50 96 L50 85 M8 73 L18 68 M8 27 L18 32' stroke='%23ffffff' stroke-width='1.5' opacity='.7'/%3E%3C/svg%3E") center / 100% 100% no-repeat !important;
  opacity: 0.34;
  animation: survival-atfield-spin-v129 4.4s linear infinite !important;
  clip-path: none !important;
}

@keyframes survival-atfield-spin-v129 {
  from { transform: rotate(0deg) scale(0.98); }
  50% { transform: rotate(180deg) scale(1.03); }
  to { transform: rotate(360deg) scale(0.98); }
}

.survival-orbit-blade {
  z-index: 7 !important;
  overflow: visible !important;
}

.survival-orbit-blade.has-canvas-art .survival-orbit-art,
.survival-orbit-blade.has-art-image .survival-orbit-art,
.survival-orbit-art {
  transform: scale(1.75);
  transform-origin: center center;
  filter: drop-shadow(0 0 12px rgba(101, 255, 206, 0.7)) drop-shadow(0 0 18px rgba(102, 156, 255, 0.38)) !important;
}

.survival-question-book-select-wrap-v129 {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  font-weight: 900;
  color: #26355f;
}

.survival-question-book-select-wrap-v129 select {
  width: 100%;
  min-height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(100, 124, 255, 0.28);
  background: #fff;
  color: #17213b;
  font-weight: 900;
  padding: 8px 12px;
  box-shadow: 0 8px 16px rgba(37, 48, 86, 0.08);
}


/* MATH_SURVIVAL_V130: stage concepts, weapon previews, softer AT field */
/* ATフィールドは見えるけど強すぎない薄ピンク輪郭へ */
.survival-atfield-ring::before {
  opacity: 0.66 !important;
  filter: drop-shadow(0 0 4px rgba(255, 82, 208, 0.55)) drop-shadow(0 0 9px rgba(255, 82, 208, 0.22)) !important;
}
.survival-atfield-ring::after {
  opacity: 0.24 !important;
  filter: drop-shadow(0 0 5px rgba(255, 210, 245, 0.28)) !important;
}
.survival-atfield-ring span {
  opacity: 0.22 !important;
}

/* 円盤は背景に埋もれないよう少しだけ濃いめに維持 */
.survival-orbit-blade .survival-orbit-art,
.survival-orbit-blade .survival-canvas-weapon-art {
  filter: saturate(1.22) contrast(1.12) drop-shadow(0 0 10px rgba(108, 255, 204, 0.52)) drop-shadow(0 0 16px rgba(111, 150, 255, 0.25)) !important;
}

/* ステージコンセプト選択 */
.survival-stage-concept-v130 {
  margin: 12px 0 16px;
  padding: 14px 16px;
  border-radius: 20px;
  border: 1px solid rgba(91, 116, 255, 0.24);
  background: rgba(247, 249, 255, 0.94);
}
.survival-stage-concept-head-v130 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  color: #243356;
  font-weight: 1000;
}
.survival-stage-concept-grid-v130 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 9px;
}
.survival-stage-concept-button-v130 {
  border: 0;
  text-align: left;
  border-radius: 16px;
  padding: 10px 11px;
  cursor: pointer;
  color: #25355f;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(109, 135, 255, 0.23), 0 8px 16px rgba(35, 48, 86, 0.06);
}
.survival-stage-concept-button-v130 strong { display:block; font-size:0.92rem; }
.survival-stage-concept-button-v130 small { display:block; margin-top:4px; color:#667492; font-weight:800; line-height:1.35; }
.survival-stage-concept-button-v130.is-active {
  color:#fff;
  background: linear-gradient(135deg, #5069ff, #31b8f1);
  box-shadow: 0 12px 24px rgba(60, 92, 222, 0.22);
}
.survival-stage-concept-button-v130.is-active small { color:rgba(255,255,255,0.9); }
.survival-stage-tip-v130 {
  margin-top: 10px;
  padding: 9px 11px;
  border-radius: 14px;
  background: rgba(234, 241, 255, 0.9);
  color: #334264;
  font-weight: 850;
  line-height: 1.5;
}

/* サバイバル武器 管理プレビュー */
.survival-admin-preview-v130 {
  margin-top: 18px;
  display: grid;
  gap: 16px;
}
.survival-admin-preview-card-v130 {
  padding: 16px;
  border-radius: 18px;
  background: #f8fbff;
  border: 1px solid #dbe5f7;
}
.survival-admin-preview-head-v130 {
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  margin-bottom:10px;
}
.survival-admin-preview-levels-v130 {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap:10px;
}
.survival-admin-preview-level-v130 {
  min-height: 108px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid #dce5f4;
  display:grid;
  gap:6px;
  justify-items:center;
  align-content:center;
  text-align:center;
  padding:10px 8px;
}
.survival-admin-preview-icon-v130 {
  width:58px;
  height:58px;
  border-radius:999px;
  display:grid;
  place-items:center;
  color:#fff;
  font-weight:1000;
  background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.92), rgba(255,255,255,.1) 26%, transparent 27%), linear-gradient(135deg, #596eff, #31b9f5);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.42), 0 10px 22px rgba(42,66,150,.16);
  overflow:hidden;
}
.survival-admin-preview-icon-v130 img { width:100%; height:100%; object-fit:contain; }
.survival-admin-preview-level-v130 strong { color:#223052; font-size:.9rem; }
.survival-admin-preview-level-v130 small { color:#687491; line-height:1.35; font-weight:800; }


/* MATH_SURVIVAL_V131: reliable start option buttons */
.survival-answer-option-group,
.survival-kanji-practice-option-group,
.survival-math-option-group,
.survival-kanji-options,
.survival-math-options {
  position: relative !important;
  z-index: 20 !important;
  pointer-events: auto !important;
}

.survival-answer-mode-button,
.survival-kanji-practice-button,
[data-answer-mode],
[data-kanji-practice-mode] {
  position: relative !important;
  z-index: 30 !important;
  pointer-events: auto !important;
  touch-action: manipulation !important;
  cursor: pointer !important;
}

.survival-answer-mode-button[disabled],
.survival-kanji-practice-button[disabled],
[data-answer-mode][disabled],
[data-kanji-practice-mode][disabled] {
  opacity: 1 !important;
  cursor: pointer !important;
  filter: none !important;
}


/* SURVIVAL_WEAPON_LEVEL_PREVIEW_V131 */
.survival-weapon-level-preview-v131 {
  margin-bottom: 24px;
}

.survival-weapon-preview-grid-v131 {
  display: grid;
  gap: 18px;
}

.survival-weapon-preview-family-v131 {
  border: 1px solid rgba(115, 138, 255, 0.22);
  border-radius: 20px;
  padding: 14px;
  background: linear-gradient(180deg, #f8fbff, #ffffff);
}

.survival-weapon-preview-family-v131 > header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
}

.survival-weapon-preview-family-v131 > header strong {
  font-size: 1.08rem;
  color: #18254a;
}

.survival-weapon-preview-family-v131 > header span {
  color: #62708f;
  font-size: 0.9rem;
  font-weight: 800;
}

.survival-weapon-preview-levels-v131 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 10px;
}

.survival-weapon-preview-level-v131 {
  display: grid;
  gap: 6px;
  justify-items: center;
  text-align: center;
  padding: 10px 8px;
  border-radius: 16px;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(130, 151, 214, 0.18), 0 8px 16px rgba(43, 58, 120, 0.06);
}

.survival-weapon-preview-art-v131 {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 1000;
  background: linear-gradient(135deg, #5167ff, #35bbff);
  box-shadow: 0 0 calc(6px + var(--lv) * 2px) rgba(72, 130, 255, 0.32);
  transform: scale(calc(0.86 + var(--lv) * 0.035));
}

.survival-weapon-preview-art-v131 img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scale(calc(0.86 + var(--lv) * 0.035));
}

.survival-preview-art-atfield {
  border-radius: 0;
  clip-path: polygon(25% 6%, 75% 6%, 96% 50%, 75% 94%, 25% 94%, 4% 50%);
  background: linear-gradient(135deg, rgba(255, 85, 203, 0.95), rgba(255, 180, 236, 0.48));
}

.survival-preview-art-orbit {
  background: radial-gradient(circle, #55d9ff 0 20%, #2b6cff 42%, #101d66 70%);
  box-shadow: 0 0 calc(10px + var(--lv) * 2px) rgba(82, 191, 255, 0.44);
}

.survival-preview-art-thunder {
  background: linear-gradient(135deg, #4051a8, #ffd65a);
}

.survival-preview-art-ton {
  background: linear-gradient(135deg, #574535, #ffb04f);
}

.survival-weapon-preview-level-v131 > b {
  color: #5364d9;
  font-size: 0.82rem;
}

.survival-weapon-preview-level-v131 > strong {
  color: #18254a;
  font-size: 0.9rem;
  line-height: 1.25;
}

.survival-weapon-preview-level-v131 > small {
  min-height: 2.2em;
  color: #64708d;
  font-size: 0.76rem;
  line-height: 1.35;
}


/* SURVIVAL_WEAPON_EFFECT_PREVIEW_V132: admin inline style lives in template */


/* MATH_SURVIVAL_V133: playable recovery and option button stability */
.survival-answer-option-group,
.survival-kanji-practice-option-group,
.survival-math-option-group,
.survival-kanji-options,
.survival-math-options {
  position: relative !important;
  z-index: 50 !important;
  pointer-events: auto !important;
}

.survival-answer-mode-button,
.survival-kanji-practice-button,
[data-answer-mode],
[data-kanji-practice-mode] {
  position: relative !important;
  z-index: 80 !important;
  pointer-events: auto !important;
  touch-action: manipulation !important;
  cursor: pointer !important;
}

.survival-answer-mode-button[disabled],
.survival-kanji-practice-button[disabled],
[data-answer-mode][disabled],
[data-kanji-practice-mode][disabled] {
  opacity: 1 !important;
  cursor: pointer !important;
  filter: none !important;
}


/* SURVIVAL_WEAPON_EFFECT_PREVIEW_V133: admin inline style lives in template */


/* MATH_SURVIVAL_V134: movement recovery and option stability */
.survival-answer-option-group,
.survival-kanji-practice-option-group,
.survival-math-option-group,
.survival-kanji-options,
.survival-math-options {
  position: relative !important;
  z-index: 80 !important;
  pointer-events: auto !important;
}

.survival-answer-mode-button,
.survival-kanji-practice-button,
[data-answer-mode],
[data-kanji-practice-mode] {
  position: relative !important;
  z-index: 240 !important;
  pointer-events: auto !important;
  touch-action: manipulation !important;
  cursor: pointer !important;
}

.math-survival-world,
.math-survival-stage-viewport,
#survivalStageViewport {
  touch-action: none;
}

.survival-answer-mode-button[disabled],
.survival-kanji-practice-button[disabled],
[data-answer-mode][disabled],
[data-kanji-practice-mode][disabled] {
  opacity: 1 !important;
  cursor: pointer !important;
  filter: none !important;
}


/* SURVIVAL_WEAPON_EFFECT_PREVIEW_V134: admin inline preview section lives in template */


/* MATH_SURVIVAL_V135: speed tuning and robust AT hex overlay */
.survival-answer-option-group,
.survival-kanji-practice-option-group,
.survival-math-option-group,
.survival-kanji-options,
.survival-math-options {
  position: relative !important;
  z-index: 90 !important;
  pointer-events: auto !important;
}

.survival-answer-mode-button,
.survival-kanji-practice-button,
[data-answer-mode],
[data-kanji-practice-mode] {
  position: relative !important;
  z-index: 260 !important;
  pointer-events: auto !important;
  touch-action: manipulation !important;
  cursor: pointer !important;
}

.math-survival-world,
.math-survival-stage-viewport,
#survivalStageViewport {
  touch-action: none;
}

.survival-atfield-v135 {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  transform: translate(-50%, -50%);
  display: none;
  clip-path: polygon(25% 6%,75% 6%,96% 50%,75% 94%,25% 94%,4% 50%);
  background: transparent;
  filter: drop-shadow(0 0 12px rgba(255, 81, 207, 0.42));
}

.survival-atfield-v135::before {
  content: "";
  position: absolute;
  inset: 4%;
  clip-path: inherit;
  border: calc(3.4px + var(--at-lv, 1) * 0.28px) solid rgba(255, 118, 222, 0.96);
  box-shadow:
    0 0 calc(10px + var(--at-lv, 1) * 2px) rgba(255, 76, 203, 0.55),
    inset 0 0 8px rgba(255, 210, 245, 0.18);
  background: transparent;
}

.survival-atfield-v135::after {
  content: "";
  position: absolute;
  inset: 14%;
  clip-path: inherit;
  border: 2px solid rgba(255, 218, 248, 0.76);
  background: transparent;
}

.survival-atfield-v135 span {
  position: absolute;
  inset: 24%;
  clip-path: inherit;
  border: 1.4px solid rgba(255, 236, 251, 0.58);
  animation: survival-atfield-v135-spin 4.5s linear infinite;
}

@keyframes survival-atfield-v135-spin {
  from { transform: rotate(0deg) scale(0.99); }
  50% { transform: rotate(180deg) scale(1.02); }
  to { transform: rotate(360deg) scale(0.99); }
}


/* MATH_SURVIVAL_V136: restore normal loop and keep only safe option fixes */
.survival-answer-option-group,
.survival-kanji-practice-option-group,
.survival-math-option-group,
.survival-kanji-options,
.survival-math-options {
  position: relative !important;
  z-index: 50 !important;
  pointer-events: auto !important;
}

.survival-answer-mode-button,
.survival-kanji-practice-button,
[data-answer-mode],
[data-kanji-practice-mode] {
  position: relative !important;
  z-index: 80 !important;
  pointer-events: auto !important;
  touch-action: manipulation !important;
  cursor: pointer !important;
}

.survival-answer-mode-button[disabled],
.survival-kanji-practice-button[disabled],
[data-answer-mode][disabled],
[data-kanji-practice-mode][disabled] {
  opacity: 1 !important;
  cursor: pointer !important;
  filter: none !important;
}

.survival-atfield-v135 {
  display: none !important;
}

.survival-atfield-v136 {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  transform: translate(-50%, -50%);
  display: none;
  clip-path: polygon(25% 6%,75% 6%,96% 50%,75% 94%,25% 94%,4% 50%);
  background: transparent;
  filter: drop-shadow(0 0 12px rgba(255, 81, 207, 0.42));
}

.survival-atfield-v136::before {
  content: "";
  position: absolute;
  inset: 4%;
  clip-path: inherit;
  border: calc(3.4px + var(--at-lv, 1) * 0.28px) solid rgba(255, 118, 222, 0.96);
  box-shadow:
    0 0 calc(10px + var(--at-lv, 1) * 2px) rgba(255, 76, 203, 0.55),
    inset 0 0 8px rgba(255, 210, 245, 0.18);
  background: transparent;
}

.survival-atfield-v136::after {
  content: "";
  position: absolute;
  inset: 14%;
  clip-path: inherit;
  border: 2px solid rgba(255, 218, 248, 0.76);
  background: transparent;
}

.survival-atfield-v136 span {
  position: absolute;
  inset: 24%;
  clip-path: inherit;
  border: 1.4px solid rgba(255, 236, 251, 0.58);
  animation: survival-atfield-v136-spin 4.5s linear infinite;
}

@keyframes survival-atfield-v136-spin {
  from { transform: rotate(0deg) scale(0.99); }
  50% { transform: rotate(180deg) scale(1.02); }
  to { transform: rotate(360deg) scale(0.99); }
}


/* MATH_SURVIVAL_V139: mobile survival start controls */
.survival-mobile-ready-actions-v139 {
  display: none;
}

.survival-mobile-ready-actions-v139.is-hidden,
.survival-mobile-ready-button-v139.is-hidden {
  display: none !important;
}

@media (max-width: 860px) {
  body.math-survival-body {
    overflow-x: hidden;
  }

  .survival-start-overlay,
  .survival-end-overlay {
    align-items: start !important;
    justify-items: center !important;
    place-items: start center !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    padding: max(8px, env(safe-area-inset-top)) 8px calc(108px + env(safe-area-inset-bottom)) !important;
  }

  .survival-overlay-card,
  .survival-overlay-card-v44 {
    width: calc(100vw - 18px) !important;
    max-width: calc(100vw - 18px) !important;
    max-height: none !important;
    overflow: visible !important;
    margin: 0 auto calc(96px + env(safe-area-inset-bottom)) !important;
    padding: 12px 12px 18px !important;
    border-radius: 18px !important;
  }

  .survival-overlay-card h2,
  .survival-overlay-card-v44 h2 {
    font-size: clamp(1.35rem, 6vw, 1.85rem) !important;
    line-height: 1.22 !important;
  }

  .survival-overlay-toolbar {
    position: sticky !important;
    top: max(6px, env(safe-area-inset-top)) !important;
    z-index: 120 !important;
    gap: 8px !important;
    background: rgba(255,255,255,.92) !important;
    backdrop-filter: blur(8px);
    border-radius: 14px !important;
    padding: 6px !important;
  }

  .survival-overlay-toolbar-actions {
    display: none !important;
  }

  .survival-selection-grid,
  .survival-selection-grid-simple {
    max-height: none !important;
    overflow: visible !important;
    padding-right: 0 !important;
  }

  .survival-math-options,
  .survival-kanji-options,
  .survival-stage-concept-v130 {
    margin: 10px 0 14px !important;
    padding: 12px !important;
  }

  .survival-math-option-group,
  .survival-answer-option-group,
  .survival-kanji-practice-option-group {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    align-items: stretch !important;
  }

  .survival-math-option-group > span,
  .survival-answer-option-group > span,
  .survival-kanji-practice-option-group > span {
    display: block !important;
    margin-bottom: 2px !important;
    text-align: left !important;
  }

  .survival-math-mode-button,
  .survival-answer-mode-button,
  .survival-kanji-practice-button {
    width: 100% !important;
    min-height: 48px !important;
    padding: 13px 14px !important;
    border-radius: 18px !important;
    font-size: 1rem !important;
    pointer-events: auto !important;
  }

  .survival-mobile-ready-actions-v139 {
    position: fixed;
    left: max(8px, env(safe-area-inset-left));
    right: max(8px, env(safe-area-inset-right));
    bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 2147483000;
    display: flex;
    gap: 8px;
    padding: 8px;
    border-radius: 20px;
    background: rgba(255,255,255,.94);
    box-shadow: 0 16px 34px rgba(20, 30, 70, .22), inset 0 0 0 1px rgba(120,140,220,.18);
    backdrop-filter: blur(10px);
  }

  .survival-mobile-ready-button-v139 {
    flex: 1 1 0;
    min-height: 52px;
    border: 0;
    border-radius: 16px;
    font-weight: 1000;
    font-size: 1.02rem;
    color: #fff;
    background: linear-gradient(135deg, #5870ff, #2eb7f0);
    box-shadow: 0 10px 22px rgba(62, 92, 220, .25);
    touch-action: manipulation;
  }

  .survival-mobile-back-v139 {
    flex: .72 1 0;
    color: #324164;
    background: #eef3ff;
    box-shadow: inset 0 0 0 1px rgba(110,135,220,.25);
  }

  .survival-mobile-start-v139 {
    background: linear-gradient(135deg, #24c081, #22a9ef);
  }

  .math-survival-topbar {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }

  .math-survival-topbar .stat-card {
    min-height: 70px !important;
    padding: 10px 12px !important;
  }

  .math-survival-world {
    min-height: min(68vh, 620px) !important;
  }
}


/* MATH_SURVIVAL_V140: mobile fixed original ready buttons */
@media (max-width: 860px) {
  /*
    v139の追加バーが表示されない端末があるため、
    既存の「もどる / 次へ / スタート」本体ボタンを
    そのまま画面下に固定表示する。
    これなら既存JSのクリック処理を直接使える。
  */
  .survival-mobile-ready-actions-v139 {
    display: none !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions {
    display: flex !important;
    position: fixed !important;
    left: max(8px, env(safe-area-inset-left)) !important;
    right: max(8px, env(safe-area-inset-right)) !important;
    bottom: max(8px, env(safe-area-inset-bottom)) !important;
    z-index: 2147483600 !important;
    gap: 8px !important;
    padding: 8px !important;
    border-radius: 20px !important;
    background: rgba(255, 255, 255, 0.96) !important;
    box-shadow: 0 16px 34px rgba(20, 30, 70, 0.24), inset 0 0 0 1px rgba(120, 140, 220, 0.20) !important;
    backdrop-filter: blur(10px) !important;
    pointer-events: auto !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions .button {
    flex: 1 1 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 52px !important;
    padding: 0 12px !important;
    border-radius: 16px !important;
    font-size: 1.02rem !important;
    font-weight: 1000 !important;
    line-height: 1 !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
    white-space: nowrap !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions .button-primary,
  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions #survivalStartButton,
  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions #survivalSelectNextButton {
    color: #fff !important;
    background: linear-gradient(135deg, #5870ff, #2eb7f0) !important;
    box-shadow: 0 10px 22px rgba(62, 92, 220, 0.25) !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions #survivalStartButton {
    background: linear-gradient(135deg, #24c081, #22a9ef) !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions #survivalSelectBackButton {
    flex: 0.72 1 0 !important;
    color: #324164 !important;
    background: #eef3ff !important;
    box-shadow: inset 0 0 0 1px rgba(110, 135, 220, 0.25) !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions .hidden {
    display: none !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-card,
  .survival-start-overlay:not(.hidden) .survival-overlay-card-v44 {
    padding-bottom: calc(112px + env(safe-area-inset-bottom)) !important;
    margin-bottom: calc(108px + env(safe-area-inset-bottom)) !important;
  }

  .survival-start-overlay:not(.hidden) {
    padding-bottom: calc(116px + env(safe-area-inset-bottom)) !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar {
    position: sticky !important;
    top: max(6px, env(safe-area-inset-top)) !important;
    z-index: 130 !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar .button[href],
  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar > .button {
    min-height: 44px !important;
  }
}


/* MATH_SURVIVAL_V141: mobile body-level tappable start bar */
.survival-mobile-tap-start-v141 {
  display: none;
}

.survival-mobile-tap-start-v141.is-hidden,
.survival-mobile-action-v141.is-hidden {
  display: none !important;
}

@media (max-width: 860px) {
  /*
    v140で既存ツールバーを見えるようにしたが、
    iPhoneでは親要素のoverflow/transform影響でタップが届かないケースがある。
    v141では body 直下の専用バーを最前面に置き、タップをJSで直接処理する。
  */
  .survival-mobile-ready-actions-v139,
  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions {
    display: none !important;
  }

  .survival-mobile-tap-start-v141 {
    position: fixed !important;
    left: max(8px, env(safe-area-inset-left)) !important;
    right: max(8px, env(safe-area-inset-right)) !important;
    bottom: max(8px, env(safe-area-inset-bottom)) !important;
    z-index: 2147483647 !important;
    display: flex !important;
    gap: 8px !important;
    padding: 8px !important;
    border-radius: 20px !important;
    background: rgba(255, 255, 255, 0.97) !important;
    box-shadow: 0 16px 36px rgba(20, 30, 70, 0.28), inset 0 0 0 1px rgba(120, 140, 220, 0.22) !important;
    backdrop-filter: blur(12px) !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
    transform: translateZ(0);
  }

  .survival-mobile-action-v141 {
    flex: 1 1 0 !important;
    min-height: 56px !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 0 12px !important;
    font-size: 1.05rem !important;
    font-weight: 1000 !important;
    line-height: 1 !important;
    white-space: nowrap !important;
    color: #fff !important;
    background: linear-gradient(135deg, #5870ff, #2eb7f0) !important;
    box-shadow: 0 10px 22px rgba(62, 92, 220, 0.28) !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
    cursor: pointer !important;
    -webkit-tap-highlight-color: transparent;
  }

  .survival-mobile-back-v141 {
    flex: 0.72 1 0 !important;
    color: #324164 !important;
    background: #eef3ff !important;
    box-shadow: inset 0 0 0 1px rgba(110, 135, 220, 0.25) !important;
  }

  .survival-mobile-start-v141 {
    background: linear-gradient(135deg, #24c081, #22a9ef) !important;
  }

  .survival-start-overlay:not(.hidden),
  .survival-end-overlay:not(.hidden) {
    padding-bottom: calc(124px + env(safe-area-inset-bottom)) !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-card,
  .survival-start-overlay:not(.hidden) .survival-overlay-card-v44 {
    padding-bottom: calc(120px + env(safe-area-inset-bottom)) !important;
    margin-bottom: calc(116px + env(safe-area-inset-bottom)) !important;
  }
}


/* MATH_SURVIVAL_V142: top fixed tappable mobile ready action */
.survival-mobile-ready-top-v142 {
  display: none;
}

.survival-mobile-ready-top-v142.is-hidden,
.survival-mobile-ready-top-button-v142.is-hidden {
  display: none !important;
}

@media (max-width: 860px) {
  /*
    v142: bottom bars were hidden by Safari/home-bar or did not receive taps.
    This bar is static HTML and fixed near the top of the viewport.
  */
  .survival-mobile-ready-actions-v139,
  .survival-mobile-tap-start-v141,
  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar-actions {
    display: none !important;
  }

  .survival-mobile-ready-top-v142 {
    position: fixed !important;
    top: max(8px, env(safe-area-inset-top)) !important;
    left: max(8px, env(safe-area-inset-left)) !important;
    right: max(8px, env(safe-area-inset-right)) !important;
    z-index: 2147483647 !important;
    display: flex !important;
    gap: 8px !important;
    padding: 8px !important;
    border-radius: 20px !important;
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 16px 36px rgba(20, 30, 70, 0.30), inset 0 0 0 1px rgba(120, 140, 220, 0.24) !important;
    backdrop-filter: blur(12px) !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
    transform: translateZ(0);
  }

  .survival-mobile-ready-top-button-v142 {
    flex: 1 1 0 !important;
    min-height: 56px !important;
    border: 0 !important;
    border-radius: 16px !important;
    padding: 0 12px !important;
    font-size: 1.05rem !important;
    font-weight: 1000 !important;
    line-height: 1 !important;
    white-space: nowrap !important;
    color: #fff !important;
    background: linear-gradient(135deg, #5870ff, #2eb7f0) !important;
    box-shadow: 0 10px 22px rgba(62, 92, 220, 0.28) !important;
    pointer-events: auto !important;
    touch-action: manipulation !important;
    cursor: pointer !important;
    -webkit-tap-highlight-color: transparent;
  }

  .survival-mobile-ready-back-v142 {
    flex: 0.72 1 0 !important;
    color: #324164 !important;
    background: #eef3ff !important;
    box-shadow: inset 0 0 0 1px rgba(110, 135, 220, 0.25) !important;
  }

  .survival-mobile-ready-start-v142 {
    background: linear-gradient(135deg, #24c081, #22a9ef) !important;
  }

  .survival-start-overlay:not(.hidden) {
    padding-top: calc(82px + env(safe-area-inset-top)) !important;
    padding-bottom: calc(96px + env(safe-area-inset-bottom)) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-card,
  .survival-start-overlay:not(.hidden) .survival-overlay-card-v44 {
    padding-top: 12px !important;
    padding-bottom: calc(100px + env(safe-area-inset-bottom)) !important;
  }

  .survival-start-overlay:not(.hidden) .survival-overlay-toolbar {
    position: static !important;
  }
}


/* SURVIVAL_STAGE_RUNTIME_V143 */
.survival-stage-concept-v130 { display: none !important; }


/* SURVIVAL_HEART_ENEMY_V145 */
.survival-heal-heart-v145 {
  z-index: 7;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  font-weight: 1000;
  font-size: clamp(18px, 3vw, 32px);
  text-shadow: 0 2px 4px rgba(138, 20, 78, 0.34);
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,0.95), rgba(255,255,255,0.18) 24%, transparent 25%),
    linear-gradient(135deg, rgba(255, 87, 168, 0.96), rgba(255, 61, 113, 0.96));
  box-shadow:
    0 0 12px rgba(255, 95, 168, 0.74),
    0 0 26px rgba(255, 143, 203, 0.34),
    inset 0 0 0 2px rgba(255,255,255,0.42);
  pointer-events: none;
  animation: survival-heart-float-v145 1.2s ease-in-out infinite;
}

@keyframes survival-heart-float-v145 {
  0%, 100% { filter: drop-shadow(0 0 7px rgba(255, 105, 182, 0.62)); }
  50% { filter: drop-shadow(0 0 16px rgba(255, 105, 182, 0.92)); }
}


/* SURVIVAL_BOSS_SIZE_SCALE_V146 */
.survival-boss-giant-v146 .survival-boss-label {
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 8px 18px rgba(255, 122, 64, 0.34);
}

.survival-boss-giant-v146 .survival-enemy-hp {
  height: 12px;
  max-width: 360px;
}


/* MATH_BOOK_MODE_V148 */
.survival-math-book-selection-v148 {
  display: none;
  margin: 10px 0 14px;
}
.survival-math-book-selection-v148.is-active {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.survival-stage-intro-v148 {
  position: fixed;
  inset: 0;
  z-index: 2147482500;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(8, 16, 36, .48);
  backdrop-filter: blur(4px);
}
.survival-stage-intro-v148.hidden {
  display: none !important;
}
.survival-stage-intro-card-v148 {
  width: min(560px, calc(100vw - 28px));
  border-radius: 28px;
  padding: 26px;
  background: rgba(255,255,255,.98);
  box-shadow: 0 24px 70px rgba(12, 23, 54, .34);
  text-align: center;
}
.survival-stage-intro-card-v148 h2 {
  margin: 4px 0 10px;
  color: #17233f;
}
.survival-stage-intro-card-v148 p {
  color: #516078;
  font-weight: 800;
}
.survival-stage-intro-weapon-v148 {
  margin: 16px 0 20px;
  padding: 14px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(88,112,255,.12), rgba(46,183,240,.12));
  color: #223054;
}
.survival-stage-intro-weapon-v148 strong {
  display: block;
  margin-bottom: 4px;
  color: #5367e8;
}
.survival-enemy-bullet-thunder {
  border-radius: 0 !important;
  background: linear-gradient(180deg, #fff, #ffe45a 54%, #5be9ff) !important;
  clip-path: polygon(42% 0, 76% 0, 58% 40%, 88% 40%, 25% 100%, 42% 54%, 13% 54%);
  box-shadow: 0 0 18px rgba(255, 230, 80, .8);
}
.survival-enemy-bullet-ore {
  border-radius: 28% !important;
  background: linear-gradient(135deg, #7b5739, #2d2018 70%, #d29b5b) !important;
  box-shadow: 0 0 14px rgba(150, 94, 48, .55);
}
.survival-enemy-bullet-crystal {
  border-radius: 18% 82% 22% 78% !important;
  background: linear-gradient(135deg, #fff, #a7eeff 42%, #bd83ff) !important;
  box-shadow: 0 0 18px rgba(166, 220, 255, .75);
}
.survival-enemy-bullet-fortress {
  border-radius: 999px !important;
  background: radial-gradient(circle at 35% 30%, #fff4cb, #f35d46 40%, #34142a 78%) !important;
  box-shadow: 0 0 18px rgba(255, 105, 72, .8);
}


/* SURVIVAL_STAGE_STRICT_V150 */
.survival-stage-intro-v148 {
  display: none !important;
}

.survival-stage-intro-v150 {
  position: fixed;
  inset: 0;
  z-index: 2147482600;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(8, 16, 36, .50);
  backdrop-filter: blur(4px);
}

.survival-stage-intro-v150.hidden {
  display: none !important;
}

.survival-stage-intro-card-v150 {
  width: min(560px, calc(100vw - 28px));
  border-radius: 28px;
  padding: 26px;
  background: rgba(255,255,255,.985);
  box-shadow: 0 24px 70px rgba(12, 23, 54, .34);
  text-align: center;
}

.survival-stage-intro-card-v150 h2 {
  margin: 4px 0 10px;
  color: #17233f;
  font-size: clamp(1.8rem, 6vw, 2.7rem);
}

.survival-stage-intro-card-v150 p {
  color: #516078;
  font-weight: 800;
  line-height: 1.65;
}

.survival-stage-intro-weapon-v150 {
  margin: 16px 0 20px;
  padding: 14px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(88,112,255,.12), rgba(46,183,240,.12));
  color: #223054;
}

.survival-stage-intro-weapon-v150 strong {
  display: block;
  margin-bottom: 4px;
  color: #5367e8;
}


/* SURVIVAL_FIXED_CLEAR_TIMER_V152 */
.survival-stage-intro-card-v150::after,
.survival-stage-intro-card-v148::after {
  content: "開始後はクリア時間が固定です。問題中・BOSS戦でも残り時間は増えません。";
  display: block;
  margin-top: 12px;
  color: #6c7894;
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.5;
}


/* SURVIVAL_WEAPON_LEVEL20_V154 */
.survival-projectile-evolved-v154 {
  filter: drop-shadow(0 0 10px rgba(102, 219, 255, 0.78));
}

.survival-projectile-lv8-v154 {
  box-shadow: 0 0 12px rgba(100, 210, 255, 0.42), 0 0 22px rgba(80, 120, 255, 0.25);
}

.survival-projectile-lv11-v154 {
  box-shadow: 0 0 16px rgba(108, 232, 255, 0.58), 0 0 30px rgba(110, 110, 255, 0.34);
}

.survival-projectile-lv16-v154 {
  box-shadow: 0 0 20px rgba(255, 108, 228, 0.58), 0 0 42px rgba(102, 220, 255, 0.40);
}

.survival-projectile-lv20-v154 {
  box-shadow: 0 0 24px rgba(255, 236, 96, 0.72), 0 0 54px rgba(255, 82, 206, 0.48), 0 0 84px rgba(92, 220, 255, 0.34);
  animation: survival-lv20-pulse-v154 0.78s ease-in-out infinite alternate;
}

@keyframes survival-lv20-pulse-v154 {
  from { filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.72)) saturate(1.08); }
  to { filter: drop-shadow(0 0 28px rgba(255, 218, 80, 0.94)) saturate(1.35); }
}


/* SURVIVAL_MEDIC_HELPER_V156 */
.survival-medic-layer-v156 {
  position: absolute;
  inset: 0;
  z-index: 24;
  pointer-events: none;
  overflow: hidden;
}

.survival-medic-helper-v156 {
  z-index: 25;
  pointer-events: none;
  filter: drop-shadow(0 10px 16px rgba(35, 58, 98, 0.24));
  animation: survival-medic-glow-v156 1.2s ease-in-out infinite alternate;
}

.survival-medic-helper-v156 img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

@keyframes survival-medic-glow-v156 {
  from { filter: drop-shadow(0 8px 12px rgba(38, 70, 120, 0.22)); }
  to { filter: drop-shadow(0 10px 20px rgba(255, 92, 132, 0.38)); }
}

.survival-medic-heart-v156 {
  z-index: 26;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  font-weight: 1000;
  font-size: clamp(18px, 3vw, 32px);
  text-shadow: 0 2px 4px rgba(138, 20, 78, 0.34);
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,0.95), rgba(255,255,255,0.18) 24%, transparent 25%),
    linear-gradient(135deg, rgba(255, 87, 168, 0.96), rgba(255, 61, 113, 0.96));
  box-shadow:
    0 0 12px rgba(255, 95, 168, 0.74),
    0 0 26px rgba(255, 143, 203, 0.34),
    inset 0 0 0 2px rgba(255,255,255,0.42);
  pointer-events: none;
}


/* SURVIVAL_STAGE_DURATION_V157 */
.survival-stage-intro-card-v150::before,
.survival-stage-intro-card-v148::before {
  content: "クリア時間はステージ設定で調整できます。標準は120秒です。";
  display: block;
  margin-bottom: 10px;
  color: #5367e8;
  font-weight: 900;
  font-size: .88rem;
}

/* SURVIVAL_RESTORE_READY_V163: restored READY controls from pre-v158 JS/CSS. */


/* SURVIVAL_MEDIC_HELPER_V164 */
.survival-medic-layer-v164 {
  position: absolute;
  inset: 0;
  z-index: 24;
  pointer-events: none;
  overflow: hidden;
}

.survival-medic-helper-v164 {
  z-index: 25;
  pointer-events: none;
  filter: drop-shadow(0 10px 16px rgba(35, 58, 98, 0.24));
  animation: survival-medic-glow-v164 1.2s ease-in-out infinite alternate;
}

.survival-medic-helper-v164 img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

@keyframes survival-medic-glow-v164 {
  from { filter: drop-shadow(0 8px 12px rgba(38, 70, 120, 0.22)); }
  to { filter: drop-shadow(0 10px 20px rgba(255, 92, 132, 0.38)); }
}

.survival-medic-heart-v164 {
  z-index: 26;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  font-weight: 1000;
  font-size: clamp(18px, 3vw, 32px);
  text-shadow: 0 2px 4px rgba(138, 20, 78, 0.34);
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,0.95), rgba(255,255,255,0.18) 24%, transparent 25%),
    linear-gradient(135deg, rgba(255, 87, 168, 0.96), rgba(255, 61, 113, 0.96));
  box-shadow:
    0 0 12px rgba(255, 95, 168, 0.74),
    0 0 26px rgba(255, 143, 203, 0.34),
    inset 0 0 0 2px rgba(255,255,255,0.42);
  pointer-events: none;
}


/* SURVIVAL_MEDIC_HELPER_V165 */
.survival-admin-helper-v165 {
  margin-top: 10px;
  display: grid;
  gap: 7px;
  padding: 10px;
  border-radius: 14px;
  background: rgba(88, 112, 255, .07);
  border: 1px solid rgba(124, 145, 230, .22);
}

.survival-admin-helper-preview-v165 {
  display: grid;
  grid-template-columns: 70px minmax(180px, 1fr);
  gap: 10px;
  align-items: center;
}

.survival-admin-helper-preview-v165 img {
  width: 66px;
  height: 66px;
  object-fit: contain;
  border-radius: 16px;
  background: #fff;
  border: 1px solid #dbe5f7;
}

.survival-medic-layer-v165 {
  position: absolute;
  inset: 0;
  z-index: 24;
  pointer-events: none;
  overflow: hidden;
}

.survival-medic-helper-v165 {
  z-index: 25;
  pointer-events: none;
  filter: drop-shadow(0 10px 16px rgba(35, 58, 98, 0.24));
  animation: survival-medic-glow-v165 1.2s ease-in-out infinite alternate;
}

.survival-medic-helper-v165 img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

@keyframes survival-medic-glow-v165 {
  from { filter: drop-shadow(0 8px 12px rgba(38, 70, 120, 0.22)); }
  to { filter: drop-shadow(0 10px 20px rgba(255, 92, 132, 0.38)); }
}

.survival-medic-heart-v165 {
  z-index: 26;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  font-weight: 1000;
  font-size: clamp(18px, 3vw, 32px);
  text-shadow: 0 2px 4px rgba(138, 20, 78, 0.34);
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,0.95), rgba(255,255,255,0.18) 24%, transparent 25%),
    linear-gradient(135deg, rgba(255, 87, 168, 0.96), rgba(255, 61, 113, 0.96));
  box-shadow:
    0 0 12px rgba(255, 95, 168, 0.74),
    0 0 26px rgba(255, 143, 203, 0.34),
    inset 0 0 0 2px rgba(255,255,255,0.42);
  pointer-events: none;
}


/* SURVIVAL_MEDIC_HELPER_V166 */
.survival-medic-layer-v156,
.survival-medic-layer-v164,
.survival-medic-layer-v165 {
  display: none !important;
}

.survival-medic-layer-v166 {
  position: absolute;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  overflow: hidden;
}

.survival-medic-helper-v166 {
  z-index: 41;
  pointer-events: none;
  filter: drop-shadow(0 10px 16px rgba(35, 58, 98, 0.24));
  animation: survival-medic-glow-v166 1.2s ease-in-out infinite alternate;
}

.survival-medic-helper-v166 img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

@keyframes survival-medic-glow-v166 {
  from { filter: drop-shadow(0 8px 12px rgba(38, 70, 120, 0.22)); }
  to { filter: drop-shadow(0 10px 20px rgba(255, 92, 132, 0.42)); }
}

.survival-medic-heart-v166 {
  z-index: 42;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  font-weight: 1000;
  font-size: clamp(18px, 3vw, 32px);
  text-shadow: 0 2px 4px rgba(138, 20, 78, 0.34);
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,0.95), rgba(255,255,255,0.18) 24%, transparent 25%),
    linear-gradient(135deg, rgba(255, 87, 168, 0.96), rgba(255, 61, 113, 0.96));
  box-shadow:
    0 0 12px rgba(255, 95, 168, 0.74),
    0 0 26px rgba(255, 143, 203, 0.34),
    inset 0 0 0 2px rgba(255,255,255,0.42);
  pointer-events: none;
}

/* SURVIVAL_RESTORE_AFTER_SHIELD_V168: restored working v166 JS/CSS after shield patch broke READY controls. */


/* SURVIVAL_SWIPE_GOD_V170: mobile/tablet movement by tracing direction + Kanji God Mode UI/effects */
.survival-touch-stick {
  display: none !important;
  pointer-events: none !important;
}

.math-survival-stage,
.math-survival-world {
  touch-action: none;
}

#mathSurvivalRoot.is-swipe-moving-v170 .math-survival-world {
  cursor: grabbing;
}

.survival-god-progress-v170 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 10px;
  align-items: center;
  width: min(380px, 100%);
  margin: 8px 0 10px;
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(255, 248, 194, 0.52);
  border: 1px solid rgba(255, 216, 69, 0.42);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.54);
}

.survival-god-progress-v170-head {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 900;
  color: #8a6500;
  line-height: 1.1;
}

.survival-god-progress-v170-head strong {
  color: #4e3d00;
  font-size: 0.76rem;
}

.survival-god-progress-v170-meter {
  position: relative;
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(116, 92, 9, 0.16);
  box-shadow: inset 0 1px 3px rgba(72, 54, 0, 0.18);
}

.survival-god-progress-v170-meter span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ffe56a, #ffcb1f, #fff59f);
  box-shadow: 0 0 12px rgba(255, 219, 54, 0.72);
  transition: width 0.28s ease;
}

.survival-god-progress-reset-v170 {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 5px 9px;
  background: rgba(255,255,255,0.84);
  color: #8a6500;
  font-size: 0.72rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255, 210, 47, 0.48);
}

.survival-god-progress-v170.is-unlocked {
  background: rgba(255, 238, 103, 0.72);
  border-color: rgba(255, 207, 31, 0.82);
}

.survival-god-progress-v170.is-unlocked .survival-god-progress-v170-meter span {
  width: 100% !important;
  animation: survival-god-progress-glow-v170 1.3s ease-in-out infinite;
}

.survival-god-explosion-v170 {
  position: absolute;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  background:
    radial-gradient(circle, rgba(255,255,255,0.98) 0%, rgba(255, 244, 123, 0.96) 24%, rgba(255, 207, 31, 0.72) 48%, rgba(255, 174, 0, 0.28) 66%, rgba(255, 208, 0, 0) 76%),
    conic-gradient(from 0deg, rgba(255,255,255,0.88), rgba(255,211,0,0.1), rgba(255,255,255,0.72), rgba(255,196,0,0.12), rgba(255,255,255,0.88));
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 18px rgba(255, 210, 0, 0.82));
  animation: survival-god-explosion-v170 0.46s ease-out forwards;
}

.survival-god-atfield-v170 {
  z-index: 4;
  pointer-events: none;
  border-radius: 0 !important;
  clip-path: polygon(25% 6%, 75% 6%, 96% 50%, 75% 94%, 25% 94%, 4% 50%);
  background: radial-gradient(circle, rgba(255, 241, 118, 0.12), rgba(255, 214, 10, 0.04) 52%, transparent 68%);
  filter: drop-shadow(0 0 16px rgba(255, 218, 30, 0.76));
}

.survival-god-atfield-v170::before,
.survival-god-atfield-v170::after,
.survival-god-atfield-v170 span,
.survival-god-atfield-v170 i {
  content: '';
  position: absolute;
  clip-path: inherit;
  inset: 2%;
  border: 4px solid rgba(255, 231, 67, 0.96);
  box-shadow: 0 0 14px rgba(255, 214, 10, 0.76), inset 0 0 12px rgba(255,255,255,0.22);
}

.survival-god-atfield-v170::after {
  inset: 11%;
  border-width: 2px;
  border-color: rgba(255, 251, 174, 0.78);
  transform: rotate(30deg);
}

.survival-god-atfield-v170 span {
  inset: 21%;
  border-width: 2px;
  border-style: dashed;
  border-color: rgba(255, 245, 106, 0.72);
  animation: survival-god-atfield-spin-v170 2.7s linear infinite;
}

.survival-god-atfield-v170 i {
  inset: 32%;
  border-width: 1.5px;
  border-color: rgba(255,255,255,0.58);
  transform: rotate(60deg);
}

@keyframes survival-god-explosion-v170 {
  0% { transform: translate(-50%, -50%) scale(0.24) rotate(0deg); opacity: 0.96; }
  45% { opacity: 0.92; }
  100% { transform: translate(-50%, -50%) scale(1.82) rotate(28deg); opacity: 0; }
}

@keyframes survival-god-atfield-spin-v170 {
  from { transform: rotate(0deg) scale(0.98); }
  50% { transform: rotate(180deg) scale(1.04); }
  to { transform: rotate(360deg) scale(0.98); }
}

@keyframes survival-god-progress-glow-v170 {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.26); }
}

@media (hover: none) and (pointer: coarse), (max-width: 860px) {
  .survival-floating-message {
    left: max(10px, env(safe-area-inset-left)) !important;
    right: max(10px, env(safe-area-inset-right)) !important;
    max-width: none !important;
  }
  .survival-god-progress-v170 {
    width: 100%;
    padding: 7px 9px;
  }
}

/* SURVIVAL_GOD_HUD_V171 / SURVIVAL_GOD_HUD_REMAINING_BAR_V172: play-field God Mode progress HUD without a surrounding card. */
.survival-god-hud-v171 {
  position: absolute;
  left: 32px;
  top: 102px;
  z-index: 9;
  width: min(312px, calc(100% - 64px));
  display: grid;
  gap: 5px;
  pointer-events: none;
  color: #705600;
  text-shadow: 0 1px 2px rgba(255,255,255,0.92), 0 0 8px rgba(255,245,180,0.48);
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}

.survival-god-hud-row-v171 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.74rem;
  font-weight: 1000;
  line-height: 1.08;
  letter-spacing: 0.02em;
}

.survival-god-hud-row-v171 span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.survival-god-hud-row-v171 strong {
  color: #3f3100;
  white-space: nowrap;
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.survival-god-hud-meter-v171 {
  position: relative;
  height: 7px;
  border-radius: 999px;
  overflow: visible;
  background: transparent !important;
  box-shadow: none !important;
}

.survival-god-hud-meter-v171::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
  border-radius: 999px;
  background: rgba(255, 235, 95, 0.26);
  box-shadow: 0 0 5px rgba(255, 228, 63, 0.18);
}

.survival-god-hud-meter-v171 span {
  position: relative;
  display: block;
  height: 100%;
  width: 100%;
  min-width: 8px;
  border-radius: inherit;
  background: linear-gradient(90deg, #fff69b, #ffd21f 46%, #ffc400 72%, #fff7b2);
  box-shadow: 0 0 9px rgba(255, 219, 54, 0.76), 0 0 18px rgba(255, 196, 0, 0.36);
  transition: width 0.28s ease;
}

.survival-god-hud-v171.is-unlocked .survival-god-hud-meter-v171 span {
  width: 100% !important;
  animation: survival-god-progress-glow-v170 1.3s ease-in-out infinite;
}


.survival-god-count-v172 {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  min-width: 38px;
  padding-left: 6px;
  color: rgba(65, 49, 0, 0.9);
  font-size: 0.56rem;
  font-weight: 1000;
  line-height: 1;
  text-align: right;
  text-shadow: 0 1px 2px rgba(255,255,255,0.86), 0 0 7px rgba(255,235,120,0.72);
  pointer-events: none;
}

.survival-god-hud-v171.has-progress-v172 .survival-god-hud-meter-v171 span {
  min-width: 12px;
}

.survival-god-reset-row-v171 {
  width: min(380px, 100%);
  margin: 8px 0 10px;
  display: flex;
  justify-content: flex-start;
}

/* SURVIVAL_ENEMY_SCALING_SHIELD_V172: stronger weapons cause selected enemies and bosses to carry shields. */
.survival-enemy.has-enemy-shield-v172 .survival-enemy-sprite {
  filter: drop-shadow(0 0 12px rgba(255, 225, 55, 0.62)) drop-shadow(0 14px 18px rgba(16, 24, 55, 0.26));
}

.survival-enemy-shield-v172 {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 112%;
  height: 112%;
  z-index: 1;
  border-radius: 50%;
  pointer-events: none;
  border: clamp(2px, 0.34vw, 4px) solid rgba(255, 232, 68, 0.82);
  background:
    radial-gradient(circle, rgba(255,255,255,0.08), rgba(255,217,39,0.07) 48%, rgba(255,219,54,0.16) 62%, transparent 64%),
    conic-gradient(from -90deg, rgba(255, 221, 40, 0.86) var(--shield-angle, 360deg), rgba(255, 255, 255, 0.08) 0deg);
  mix-blend-mode: screen;
  box-shadow:
    0 0 14px rgba(255, 211, 44, 0.62),
    0 0 28px rgba(255, 242, 94, 0.28),
    inset 0 0 20px rgba(255, 249, 181, 0.22);
}

.survival-enemy-shield-v172::before,
.survival-enemy-shield-v172::after {
  content: "";
  position: absolute;
  inset: 9%;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.38);
}

.survival-enemy-shield-v172::after {
  inset: -5%;
  border-color: rgba(255, 208, 30, 0.42);
  animation: survival-enemy-shield-spin-v172 2.8s linear infinite;
}

.survival-enemy-shield-v172.is-invulnerable {
  border-color: rgba(255, 248, 146, 0.98);
  box-shadow:
    0 0 20px rgba(255, 241, 78, 0.86),
    0 0 42px rgba(255, 216, 43, 0.44),
    inset 0 0 24px rgba(255, 252, 206, 0.34);
}

.survival-enemy-shield-v172 span {
  position: absolute;
  right: -3%;
  top: -8%;
  min-width: 1.4em;
  height: 1.4em;
  display: grid;
  place-items: center;
  padding: 0 0.28em;
  border-radius: 999px;
  background: rgba(255, 215, 35, 0.94);
  color: #4b3300;
  font-size: clamp(0.58rem, 1.15vw, 0.82rem);
  font-weight: 1000;
  line-height: 1;
  box-shadow: 0 0 10px rgba(255, 226, 71, 0.78), 0 2px 8px rgba(75, 50, 0, 0.22);
}

.survival-enemy-shield-hit-v172,
.survival-enemy-shield-break-v172 {
  position: absolute;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  border: 3px solid rgba(255, 231, 56, 0.84);
  background: radial-gradient(circle, rgba(255, 251, 180, 0.28), rgba(255, 222, 46, 0.12) 44%, rgba(255, 212, 22, 0) 70%);
  box-shadow: 0 0 18px rgba(255, 227, 56, 0.68), inset 0 0 24px rgba(255,255,255,0.24);
  animation: survival-enemy-shield-hit-v172 0.34s ease-out forwards;
}

.survival-enemy-shield-break-v172 {
  border-color: rgba(255, 246, 139, 0.96);
  background: radial-gradient(circle, rgba(255, 255, 224, 0.36), rgba(255, 216, 24, 0.18) 46%, rgba(255, 157, 17, 0) 72%);
  animation-duration: 0.42s;
}

.survival-layer,
.survival-entity,
.survival-burst,
.survival-god-explosion-v170,
.survival-enemy-shield-hit-v172,
.survival-enemy-shield-break-v172,
.survival-slash-fx,
.survival-beam-fx,
.survival-thunder-fx {
  contain: layout paint style;
  backface-visibility: hidden;
}

@keyframes survival-enemy-shield-spin-v172 {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes survival-enemy-shield-hit-v172 {
  from { transform: translate(-50%, -50%) scale(0.78); opacity: 1; }
  to { transform: translate(-50%, -50%) scale(1.35); opacity: 0; }
}

@media (hover: none) and (pointer: coarse), (max-width: 860px) {
  .survival-god-hud-v171 {
    left: max(32px, calc(env(safe-area-inset-left) + 30px));
    top: 96px;
    width: min(304px, calc(100vw - 76px));
  }

  .survival-god-hud-row-v171 {
    font-size: 0.66rem;
    gap: 8px;
  }

  .survival-god-hud-row-v171 strong {
    font-size: 0.65rem;
  }

  .survival-god-hud-meter-v171 {
    height: 7px;
  }
}

/* SURVIVAL_PICKUP_VISIBLE_V171: if a weapon upgrade item has no uploaded icon, keep the CSS icon visible. */
.survival-pickup-icon:not(.has-image) {
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0.12) 24%, transparent 25%),
    linear-gradient(135deg, #5f73ff, #36c3ff) !important;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.44), 0 0 16px rgba(93, 160, 255, 0.58), 0 8px 16px rgba(38, 58, 142, 0.18) !important;
  border: 0 !important;
  opacity: 1 !important;
}

.survival-pickup-icon:not(.has-image) > span {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  padding: 2px;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 1000;
  line-height: 1;
  text-align: center;
  text-shadow: 0 1px 3px rgba(14, 24, 64, 0.46);
}

.survival-pickup-icon-drone:not(.has-image) {
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0.12) 24%, transparent 25%),
    linear-gradient(135deg, #3b4d7c, #6cd9ff) !important;
}

.survival-pickup-icon-katana:not(.has-image) {
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0.12) 24%, transparent 25%),
    linear-gradient(135deg, #252b3d, #ff6f8f) !important;
}

.survival-pickup-icon-orbit:not(.has-image) {
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0.12) 24%, transparent 25%),
    linear-gradient(135deg, #30418a, #8ee5ff) !important;
}

.survival-pickup-icon-beam:not(.has-image) {
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0.12) 24%, transparent 25%),
    linear-gradient(135deg, #3d2b88, #d88cff) !important;
}

.survival-pickup-icon-thunder:not(.has-image) {
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0.12) 24%, transparent 25%),
    linear-gradient(135deg, #4051a8, #ffd65a) !important;
}

.survival-pickup-icon-ton:not(.has-image) {
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0.12) 24%, transparent 25%),
    linear-gradient(135deg, #69513a, #ffb04f) !important;
}

.survival-pickup-icon-atfield:not(.has-image) {
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0.12) 24%, transparent 25%),
    linear-gradient(135deg, #7a4cf1, #ff8ee8) !important;
}

@media (hover: none) and (pointer: coarse), (max-width: 860px) {
  .survival-god-hud-v171 {
    left: max(14px, env(safe-area-inset-left));
    top: 86px;
    width: min(190px, 42vw);
  }

  .survival-god-hud-row-v171 {
    font-size: 0.62rem;
    gap: 6px;
  }

  .survival-god-hud-row-v171 strong {
    font-size: 0.6rem;
  }

  .survival-god-hud-meter-v171 {
    height: 4px;
  }
}


/* SURVIVAL_ACCOUNT_SERVER_SAVE_V174 */
.survival-start-mode-actions-v174 { display:flex; gap:8px; align-items:center; }
.survival-account-panel-v174 { margin: 14px 0 10px; padding: 12px 14px; border-radius: 16px; border: 1px solid rgba(255,255,255,0.58); background: rgba(255,255,255,0.78); box-shadow: 0 10px 24px rgba(120, 92, 154, 0.12); }
.survival-account-head-v174 { display:flex; flex-wrap:wrap; gap:8px 12px; align-items:center; justify-content:space-between; margin-bottom:8px; }
.survival-account-head-v174 strong { font-size: 1rem; color:#5b466f; }
.survival-account-head-v174 span { color:#6f5f7f; font-size:0.88rem; }
.survival-account-progress-v174 { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:10px; }
.survival-account-chip-v174 { display:inline-flex; align-items:center; padding:6px 10px; border-radius:999px; background: rgba(255, 237, 173, 0.62); color:#6b4d1f; font-weight:700; font-size:0.84rem; }
.survival-account-stats-v174 { display:grid; grid-template-columns: repeat(auto-fit, minmax(110px,1fr)); gap:8px; margin-bottom:10px; }
.survival-account-stat-v174 { padding:8px 10px; border-radius:12px; background: rgba(248, 245, 255, 0.94); border:1px solid rgba(208, 191, 232, 0.72); display:flex; justify-content:space-between; gap:8px; font-size:0.86rem; }
.survival-account-stat-v174 span { color:#786890; }
.survival-account-stat-v174 strong { color:#4d3a67; }
.survival-account-booklist-v174 { grid-column:1 / -1; padding:10px 12px; border-radius:12px; background: rgba(255,255,255,0.92); border:1px solid rgba(214, 202, 234, 0.82); }
.survival-account-booklist-v174 > span { display:block; margin-bottom:6px; color:#6a5b7d; font-size:0.82rem; font-weight:700; }
.survival-account-booklist-v174 ul { margin:0; padding-left: 18px; }
.survival-account-booklist-v174 li { color:#5b5068; font-size:0.84rem; margin:2px 0; }
@media (max-width: 860px) {
  .survival-start-mode-actions-v174 { width:100%; }
  .survival-start-mode-actions-v174 .button { flex:1 1 0; }
  .survival-account-panel-v174 { padding: 10px 12px; }
}


/* SURVIVAL_ROBO_MODE_V176: silver robot-mode progress HUD and funnel effects for math survival. */
.survival-robot-hud-v176 {
  position: absolute;
  left: 32px;
  top: 102px;
  z-index: 9;
  width: min(312px, calc(100% - 64px));
  display: grid;
  gap: 5px;
  pointer-events: none;
  color: #7f8d9a;
  text-shadow: 0 1px 2px rgba(255,255,255,0.94), 0 0 8px rgba(214,226,238,0.46);
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}

.survival-robot-hud-row-v176 strong {
  color: #4e5964;
}

.survival-robot-hud-meter-v176::before {
  background: rgba(201, 211, 222, 0.34);
  box-shadow: 0 0 6px rgba(216, 226, 236, 0.2);
}

.survival-robot-hud-meter-v176 span {
  position: relative;
  display: block;
  height: 100%;
  width: 100%;
  min-width: 8px;
  border-radius: inherit;
  background: linear-gradient(90deg, #f7fbff, #dce5ef 32%, #b7c4d1 58%, #eef4fa 100%);
  box-shadow: 0 0 9px rgba(220, 228, 237, 0.78), 0 0 18px rgba(170, 185, 198, 0.38);
  transition: width 0.28s ease;
}

.survival-robot-hud-v176.is-unlocked .survival-robot-hud-meter-v176 span {
  width: 100% !important;
  animation: survival-robo-progress-glow-v176 1.22s ease-in-out infinite;
}

.survival-robot-count-v176 {
  color: rgba(73, 84, 96, 0.92);
  text-shadow: 0 1px 2px rgba(255,255,255,0.9), 0 0 7px rgba(223, 233, 242, 0.78);
}

.survival-robot-hud-v176.has-progress-v172 .survival-robot-hud-meter-v176 span {
  min-width: 12px;
}

@keyframes survival-robo-progress-glow-v176 {
  0%, 100% { box-shadow: 0 0 7px rgba(224, 231, 238, 0.62), 0 0 16px rgba(175, 188, 199, 0.28); }
  50% { box-shadow: 0 0 12px rgba(245, 248, 251, 0.92), 0 0 22px rgba(195, 206, 216, 0.54); }
}

.survival-robot-reset-row-v176 {
  width: min(380px, 100%);
}

.survival-robot-funnel-v176 {
  position: absolute;
  width: 3.6%;
  max-width: 42px;
  min-width: 24px;
  aspect-ratio: 1 / 1;
  border-radius: 38% 62% 55% 45% / 45% 48% 52% 55%;
  background: radial-gradient(circle at 36% 32%, #ffffff 0%, #f5f9fd 18%, #c7d3df 42%, #95a4b3 68%, #6b7886 100%);
  box-shadow: 0 0 12px rgba(230, 238, 245, 0.78), 0 0 20px rgba(134, 148, 164, 0.34);
  pointer-events: none;
}

.survival-robot-funnel-v176 span {
  position: absolute;
  inset: 18% 22% 46% 22%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,255,255,0.98), rgba(219,230,240,0.95));
}

.survival-robot-funnel-v176 i {
  position: absolute;
  left: 34%;
  right: 34%;
  bottom: 10%;
  height: 32%;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(145,160,176,0.96));
}

.survival-robot-beam-v176 {
  position: absolute;
  transform-origin: left center;
  height: 0.8%;
  min-height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(246,250,255,0.98), rgba(222,232,242,0.94) 35%, rgba(163,181,198,0.96) 68%, rgba(248,251,255,0.98));
  box-shadow: 0 0 10px rgba(243,248,252,0.86), 0 0 18px rgba(170, 183, 197, 0.42);
  pointer-events: none;
}

.survival-robot-beam-v176::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 50%;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255,255,255,0.96) 0%, rgba(211,223,234,0.92) 48%, rgba(156,172,188,0.12) 74%, rgba(156,172,188,0) 100%);
}

.survival-robot-impact-v176 {
  position: absolute;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.96) 0%, rgba(229,238,246,0.94) 24%, rgba(175,191,207,0.62) 52%, rgba(121,137,153,0.08) 76%, rgba(121,137,153,0) 100%);
  box-shadow: 0 0 12px rgba(245,249,252,0.86), 0 0 22px rgba(177,191,206,0.34);
  pointer-events: none;
}

.survival-robot-impact-v176 span {
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  border: 2px solid rgba(242,247,252,0.86);
}

@media (max-width: 860px) {
  .survival-robot-hud-v176 {
    left: 16px;
    top: 96px;
    width: min(280px, calc(100% - 32px));
  }
}


/* SURVIVAL_INLINE_READY_CONTROLS_V179 */
.survival-inline-ready-controls-v179 {
  display: none;
}

.survival-inline-ready-controls-v179.is-hidden {
  display: none !important;
}

@media (max-width: 1180px) {
  .survival-mobile-tap-start-v141,
  .survival-mobile-ready-top-v142 {
    display: none !important;
  }

  .survival-inline-ready-controls-v179 {
    position: sticky;
    top: 0;
    z-index: 25;
    margin: 10px 0 12px;
    padding: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 22px rgba(24, 40, 90, 0.12), inset 0 0 0 1px rgba(110, 135, 220, 0.14);
    backdrop-filter: blur(8px);
  }

  .survival-inline-ready-button-v179 {
    min-height: 46px;
    border: 0;
    border-radius: 14px;
    padding: 0 14px;
    font-size: 0.98rem;
    font-weight: 900;
    line-height: 1;
    white-space: nowrap;
    color: #fff;
    background: linear-gradient(135deg, #5870ff, #2eb7f0);
    box-shadow: 0 10px 22px rgba(62, 92, 220, 0.24);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .survival-inline-ready-button-v179[disabled] {
    opacity: 0.45;
    box-shadow: none;
  }

  .survival-inline-ready-button-v179.is-hidden {
    display: none !important;
  }

  .survival-inline-ready-back-v179 {
    color: #324164;
    background: #eef3ff;
    box-shadow: inset 0 0 0 1px rgba(110, 135, 220, 0.25);
  }

  .survival-inline-ready-next-v179,
  .survival-inline-ready-fresh-v179,
  .survival-inline-ready-continue-v179,
  .survival-inline-ready-start-v179 {
    flex: 1 1 180px;
  }

  .survival-inline-ready-back-v179 {
    flex: 0 1 120px;
  }
}

@media (max-width: 860px) {
  .survival-inline-ready-controls-v179 {
    top: max(4px, env(safe-area-inset-top));
    margin: 8px 0 10px;
  }

  .survival-inline-ready-button-v179 {
    min-height: 50px;
    font-size: 1rem;
  }
}


/* SURVIVAL_VISIBLE_READY_CONTROLS_V180: always-visible in-card start controls. */
.survival-inline-ready-controls-v180 {
  position: sticky;
  top: max(0px, env(safe-area-inset-top));
  z-index: 80;
  margin: 12px 0 14px;
  padding: 9px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.985);
  box-shadow: 0 12px 26px rgba(24, 40, 90, 0.14), inset 0 0 0 1px rgba(110, 135, 220, 0.16);
  backdrop-filter: blur(10px);
}

.survival-inline-ready-controls-v180.is-hidden {
  display: none !important;
}

.survival-inline-ready-button-v180 {
  min-height: 48px;
  border: 0;
  border-radius: 15px;
  padding: 0 16px;
  font-size: 1rem;
  font-weight: 1000;
  line-height: 1;
  white-space: nowrap;
  color: #fff;
  background: linear-gradient(135deg, #5870ff, #2eb7f0);
  box-shadow: 0 10px 22px rgba(62, 92, 220, 0.24);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}

.survival-inline-ready-button-v180[disabled] {
  opacity: 0.45;
  box-shadow: none;
  cursor: default;
}

.survival-inline-ready-button-v180.is-hidden {
  display: none !important;
}

.survival-inline-ready-back-v180 {
  flex: 0 1 120px;
  color: #324164;
  background: #eef3ff;
  box-shadow: inset 0 0 0 1px rgba(110, 135, 220, 0.25);
}

.survival-inline-ready-next-v180,
.survival-inline-ready-fresh-v180,
.survival-inline-ready-continue-v180 {
  flex: 1 1 180px;
}

.survival-inline-ready-continue-v180 {
  background: linear-gradient(135deg, #24c081, #22a9ef);
}

@media (max-width: 1180px) {
  .survival-mobile-tap-start-v141,
  .survival-mobile-ready-top-v142 {
    display: none !important;
  }

  .survival-inline-ready-controls-v179 {
    display: none !important;
  }
}

@media (max-width: 860px) {
  .survival-inline-ready-controls-v180 {
    top: max(4px, env(safe-area-inset-top));
    margin: 8px 0 10px;
  }

  .survival-inline-ready-button-v180 {
    min-height: 50px;
    font-size: 1rem;
    padding: 0 12px;
  }
}


/* SURVIVAL_VISIBLE_READY_CLICK_FIX_V181 */
.survival-inline-ready-controls-v180 {
  z-index: 2147483647 !important;
  pointer-events: auto !important;
  isolation: isolate;
  transform: translateZ(0);
}

.survival-inline-ready-controls-v180 *,
.survival-inline-ready-button-v180 {
  pointer-events: auto !important;
  touch-action: manipulation !important;
  cursor: pointer !important;
  position: relative;
  z-index: 2147483647 !important;
}

.survival-inline-ready-button-v180:not(.is-hidden) {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
}

.survival-inline-ready-button-v180.is-hidden {
  display: none !important;
}

.survival-start-overlay:not(.hidden) .survival-inline-ready-controls-v180 {
  display: flex !important;
}


/* SURVIVAL_CHARGE_ATTACK_V186 / SURVIVAL_KEYPAD_LANDSCAPE_FIT_V186 */
.survival-player {
  pointer-events: auto;
  touch-action: none;
  user-select: none;
}

.survival-player.is-charge-candidate-v186 img,
.survival-player.is-charge-candidate-v186 .survival-player-sprite,
.survival-player.is-charge-candidate-v186 .survival-player-video,
.survival-player.is-charging-v186 img,
.survival-player.is-charging-v186 .survival-player-sprite,
.survival-player.is-charging-v186 .survival-player-video,
.survival-player.is-charge-ready-v186 img,
.survival-player.is-charge-ready-v186 .survival-player-sprite,
.survival-player.is-charge-ready-v186 .survival-player-video {
  transform: translateZ(0) scale(1.035);
  filter: drop-shadow(0 0 18px rgba(114, 226, 255, 0.74)) drop-shadow(0 0 22px rgba(255, 227, 110, 0.36));
}

.survival-player.is-charge-ready-v186 img,
.survival-player.is-charge-ready-v186 .survival-player-sprite,
.survival-player.is-charge-ready-v186 .survival-player-video {
  transform: translateZ(0) scale(1.07);
  filter: drop-shadow(0 0 22px rgba(255, 227, 110, 0.88)) drop-shadow(0 0 28px rgba(114, 226, 255, 0.7));
}

.survival-charge-aura-v186,
.survival-charge-aim-v186 {
  pointer-events: none;
  z-index: 12;
  contain: layout paint style;
  will-change: transform, opacity;
}

.survival-charge-aura-v186 {
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.92) 0 9%, rgba(255,227,110,0.52) 11% 28%, rgba(114,226,255,0.24) 42%, rgba(114,226,255,0) 72%);
  box-shadow: 0 0 32px rgba(114,226,255,0.55), 0 0 42px rgba(255,227,110,0.28);
  animation: survival-charge-aura-v186 0.92s ease-in-out infinite alternate;
}

.survival-charge-aura-v186::before,
.survival-charge-aura-v186::after {
  content: '';
  position: absolute;
  inset: 7%;
  border-radius: inherit;
  border: 2px dashed rgba(255,255,255,0.62);
  animation: survival-charge-spin-v186 1.6s linear infinite;
}

.survival-charge-aura-v186::after {
  inset: 18%;
  border-style: solid;
  border-color: rgba(255,227,110,0.62);
  animation-duration: 1.05s;
  animation-direction: reverse;
}

.survival-charge-aura-v186.is-ready {
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.98) 0 10%, rgba(255,240,156,0.72) 12% 31%, rgba(114,226,255,0.34) 48%, rgba(114,226,255,0) 76%);
  box-shadow: 0 0 38px rgba(255,227,110,0.7), 0 0 48px rgba(114,226,255,0.52);
}

.survival-charge-core-v186 {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 38%;
  height: 38%;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,255,255,0.98), rgba(255,227,110,0.64) 48%, rgba(114,226,255,0.12) 74%);
  filter: blur(0.5px);
}

.survival-charge-aim-v186 {
  transform-origin: 0 50%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,255,255,0.18), rgba(114,226,255,0.62), rgba(255,227,110,0.18));
  box-shadow: 0 0 18px rgba(114,226,255,0.45);
}

.survival-projectile-charge {
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,255,255,0.96), rgba(255,227,110,0.92) 38%, rgba(114,226,255,0.78) 76%, rgba(114,226,255,0.16));
  box-shadow: 0 0 22px rgba(114,226,255,0.74), 0 0 28px rgba(255,227,110,0.42);
  overflow: visible;
}

.survival-projectile-charge::before {
  content: '';
  position: absolute;
  left: -36%;
  top: 18%;
  width: 58%;
  height: 64%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(114,226,255,0), rgba(114,226,255,0.42));
  filter: blur(4px);
}

.survival-projectile-charge::after {
  content: '';
  position: absolute;
  inset: 19% 12% 19% 45%;
  border-radius: 999px;
  background: rgba(255,255,255,0.82);
}

.survival-projectile-layer,
.survival-fx-layer,
.survival-enemy-bullet-layer,
.survival-enemy-layer,
.survival-pickup-layer {
  contain: layout paint style;
}

.survival-burst,
.survival-god-explosion-v170,
.survival-robot-impact-v176,
.survival-enemy-shield-v172,
.survival-enemy-shield-hit-v172,
.survival-enemy-shield-break-v172,
.survival-projectile,
.survival-enemy-bullet {
  will-change: transform, opacity;
}

@keyframes survival-charge-aura-v186 {
  from { opacity: 0.72; }
  to { opacity: 0.96; }
}

@keyframes survival-charge-spin-v186 {
  to { transform: rotate(360deg); }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) {
  .math-trace-modal {
    padding: max(4px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(4px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
    place-items: center;
  }

  .math-trace-card {
    width: min(980px, 98vw);
    max-height: calc(100vh - 10px);
    max-height: calc(100dvh - 10px);
    overflow: hidden;
    padding: 10px 12px;
    border-radius: 18px;
  }

  .math-trace-modal.is-choice-step .math-trace-card {
    display: grid;
    grid-template-areas: "title choice" "hint choice";
    grid-template-columns: minmax(220px, 0.88fr) minmax(300px, 1.12fr);
    gap: 8px 12px;
    align-items: center;
  }

  .math-trace-modal.is-choice-step .eyebrow {
    display: none !important;
  }

  .math-trace-modal.is-choice-step #mathTraceTitle {
    grid-area: title;
    margin: 0;
    font-size: clamp(1rem, 2.8vw, 1.55rem);
    line-height: 1.18;
  }

  .math-trace-modal.is-choice-step .math-trace-problem-text {
    display: none !important;
  }

  .math-trace-modal.is-choice-step .math-trace-choice-box {
    grid-area: choice;
    margin: 0;
    gap: 8px;
  }

  .math-trace-modal.is-choice-step #mathTraceHint {
    grid-area: hint;
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.35;
  }

  .math-trace-choice-box.is-math-keypad-choice-v125 {
    grid-template-columns: minmax(190px, 0.72fr) minmax(250px, 1fr);
    align-items: center;
    gap: 8px 12px;
  }

  .math-trace-choice-box.is-math-keypad-choice-v125 .math-trace-choice-problem {
    min-height: clamp(112px, 42dvh, 210px);
    display: grid;
    place-items: center;
    padding: 12px;
    font-size: clamp(2rem, 8vw, 4.2rem);
  }

  .math-trace-choice-box.is-math-keypad-choice-v125 .math-trace-choice-options {
    width: 100%;
    gap: 8px;
  }

  .math-trace-keypad-v125 {
    width: 100%;
    gap: 7px;
  }

  .math-trace-keypad-display {
    min-height: 40px;
    border-radius: 12px;
    font-size: clamp(1.15rem, 4vw, 2rem);
  }

  .math-trace-keypad-grid {
    gap: 6px;
  }

  .math-trace-keypad-button,
  .math-trace-keypad-submit,
  .math-trace-return-button-v125 {
    min-height: 36px;
    padding: 7px 8px;
    border-radius: 12px;
    font-size: clamp(1rem, 3.2vw, 1.28rem);
  }

  .math-trace-keypad-submit,
  .math-trace-return-button-v125 {
    min-height: 38px;
  }

  .math-trace-return-button-v125 {
    width: 100%;
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) and (max-width: 760px) {
  .math-trace-card {
    padding: 7px 8px;
    border-radius: 16px;
  }

  .math-trace-modal.is-choice-step .math-trace-card {
    grid-template-columns: minmax(150px, 0.64fr) minmax(230px, 1fr);
    gap: 6px 8px;
  }

  .math-trace-choice-box.is-math-keypad-choice-v125 {
    grid-template-columns: minmax(142px, 0.62fr) minmax(210px, 1fr);
    gap: 6px 8px;
  }

  .math-trace-choice-box.is-math-keypad-choice-v125 .math-trace-choice-problem {
    min-height: clamp(86px, 36dvh, 148px);
    padding: 8px;
    font-size: clamp(1.65rem, 7.2vw, 3.25rem);
  }

  .math-trace-keypad-display {
    min-height: 34px;
    font-size: clamp(1rem, 3.8vw, 1.55rem);
  }

  .math-trace-keypad-button,
  .math-trace-keypad-submit,
  .math-trace-return-button-v125 {
    min-height: 30px;
    padding: 5px 6px;
    border-radius: 10px;
    font-size: clamp(0.9rem, 3vw, 1.12rem);
  }
}


/* SURVIVAL_CHARGE_MOBILE_FIX_V189: wider mobile/tablet hit-area for player long-press charge. */
.survival-player {
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

.survival-player::before {
  content: "";
  position: absolute;
  inset: -52%;
  border-radius: 999px;
  pointer-events: auto;
}

@media (hover: none), (pointer: coarse), (max-width: 900px) {
  .survival-player::before {
    inset: -72%;
  }
}

/* SURVIVAL_CHARGE_WEAPON_PRESET_V190: selectable charge techniques + release-to-auto-target on touch. */
.survival-charge-weapon-panel-v190 {
  margin-top: 14px;
  padding: 12px;
  border-radius: 20px;
  border: 1px solid rgba(160, 179, 255, 0.58);
  background: linear-gradient(180deg, rgba(248, 252, 255, 0.98), rgba(238, 245, 255, 0.93));
  box-shadow: 0 12px 26px rgba(31, 53, 118, 0.08);
}

.survival-charge-weapon-head-v190 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text);
  font-weight: 1000;
}

.survival-charge-weapon-head-v190 span {
  color: var(--primary-2);
  font-size: 0.92rem;
}

.survival-charge-weapon-options-v190 {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.survival-charge-weapon-button-v190 {
  border: 1px solid rgba(188, 200, 232, 0.94);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  padding: 10px 8px;
  display: grid;
  gap: 3px;
  text-align: center;
  cursor: pointer;
  touch-action: manipulation;
  box-shadow: 0 8px 18px rgba(39, 68, 124, 0.07);
}

.survival-charge-weapon-button-v190 strong {
  font-size: 0.94rem;
}

.survival-charge-weapon-button-v190 small {
  color: var(--muted);
  font-weight: 800;
  font-size: 0.73rem;
}

.survival-charge-weapon-button-v190.is-active {
  border-color: rgba(91, 108, 240, 0.95);
  background: linear-gradient(135deg, rgba(91,108,240,0.96), rgba(106,149,255,0.96));
  color: #fff;
  box-shadow: 0 12px 24px rgba(91, 108, 240, 0.20);
}

.survival-charge-weapon-button-v190.is-active small {
  color: rgba(255, 255, 255, 0.88);
}

.survival-charge-weapon-help-v190 {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
}

.survival-charge-label-v190 {
  z-index: 14;
  transform: translate(-50%, -50%);
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(16, 24, 48, 0.72);
  color: #fff;
  font-size: clamp(0.72rem, 1.9vw, 0.95rem);
  font-weight: 1000;
  letter-spacing: 0.04em;
  box-shadow: 0 0 18px rgba(114, 226, 255, 0.42);
  pointer-events: none;
  white-space: nowrap;
  contain: layout paint style;
}

@media (max-width: 760px) {
  .survival-charge-weapon-panel-v190 {
    padding: 10px;
    border-radius: 18px;
  }
  .survival-charge-weapon-options-v190 {
    grid-template-columns: 1fr;
  }
  .survival-charge-weapon-button-v190 {
    min-height: 46px;
    grid-template-columns: 84px 1fr;
    align-items: center;
    text-align: left;
  }
}

/* SURVIVAL_EFFECT_COLOR_COMPACT_V192 */
.survival-power-tier-v192 {
  backface-visibility: hidden;
  transform-style: flat;
}

.survival-power-tier-1-v192,
.survival-power-tier-2-v192,
.survival-power-tier-3-v192,
.survival-power-tier-4-v192,
.survival-power-tier-5-v192 {
  contain: layout paint style;
}

.survival-power-tier-4-v192,
.survival-power-tier-5-v192 {
  filter: saturate(1.22) brightness(1.04);
}

/* SURVIVAL_PICKUP_VISIBILITY_GUARD_V193
   算数サバイバルで進化アイテムが敵・FX・画像読み込み失敗に隠れて見えない状態を避ける。 */
.survival-pickup-layer {
  z-index: 7 !important;
  pointer-events: none;
  overflow: visible;
}

.survival-pickup-v193 {
  z-index: 7 !important;
  overflow: visible;
  contain: layout style;
  opacity: 1 !important;
  visibility: visible !important;
  filter: drop-shadow(0 0 13px rgba(255, 244, 154, 0.62));
}

.survival-pickup-v193 .survival-pickup-aura {
  z-index: 1;
}

.survival-pickup-icon-v193,
.survival-pickup-v193 .survival-pickup-icon {
  z-index: 3;
  opacity: 1 !important;
  visibility: visible !important;
}

.survival-pickup-v193 .survival-pickup-label {
  z-index: 4;
  white-space: nowrap;
}

.survival-icon-fallback-v193 {
  display: none;
}

.survival-pickup-icon.is-fallback-v193 .survival-icon-fallback-v193,
.survival-weapon-icon.is-fallback-v193 .survival-icon-fallback-v193,
.survival-selection-weapon-icon.is-fallback-v193 .survival-icon-fallback-v193,
.survival-side-weapon-icon.is-fallback-v193 .survival-icon-fallback-v193 {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  padding: 2px;
  color: #fff;
  font-weight: 1000;
  line-height: 1;
  text-align: center;
  text-shadow: 0 1px 3px rgba(14, 24, 64, 0.52);
}

.survival-pickup-icon.has-image .survival-icon-fallback-v193,
.survival-weapon-icon.has-image .survival-icon-fallback-v193,
.survival-selection-weapon-icon.has-image .survival-icon-fallback-v193,
.survival-side-weapon-icon.has-image .survival-icon-fallback-v193 {
  display: none !important;
}

.survival-pickup-v193::before,
.survival-pickup-v193::after {
  z-index: 0;
}


/* SURVIVAL_MEDIC_HEART_COLLECT_FIX_V194
   お助けハートは最新v166レイヤーだけをワールド基準で表示し、旧レイヤー由来のズレを避ける。 */
.survival-medic-layer-v166 {
  z-index: 46 !important;
  pointer-events: none;
  overflow: visible;
  contain: layout paint style;
}

.survival-medic-heart-v166 {
  z-index: 47 !important;
  min-width: 22px;
  min-height: 22px;
  will-change: transform, opacity;
}

.survival-medic-heart-v166::after {
  content: "";
  position: absolute;
  inset: -28%;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,.38);
  opacity: .65;
  pointer-events: none;
}