:root {
  --ink: #18212f;
  --muted: #657083;
  --line: #dce3ec;
  --panel: rgba(255, 255, 255, 0.88);
  --blue: #2f6fed;
  --red: #e34f4f;
  --green: #19a974;
  --yellow: #f6c344;
  --shadow: 0 18px 48px rgba(29, 45, 72, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family:
    "Noto Sans TC",
    "Microsoft JhengHei",
    system-ui,
    sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(61, 126, 233, 0.18), transparent 38%),
    linear-gradient(315deg, rgba(246, 195, 68, 0.28), transparent 36%),
    #f7f9fc;
}

button,
input,
select {
  font: inherit;
}

button {
  touch-action: manipulation;
}

.app-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, auto);
  grid-template-areas:
    "brand score"
    "audio score";
  align-items: start;
  gap: 24px;
  margin-bottom: 24px;
}

.topbar > div:first-child {
  grid-area: brand;
  min-width: 0;
}

.compact-btn {
  min-height: 36px;
  margin-top: 12px;
  padding: 0 12px;
}

.audio-controls {
  grid-area: audio;
  display: grid;
  grid-template-columns: auto auto minmax(120px, 180px);
  gap: 8px;
  align-items: end;
  justify-self: start;
}

.audio-controls label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.audio-controls input[type="range"] {
  height: 36px;
  padding: 0;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
  text-wrap: balance;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.75rem, 4vw, 3.2rem);
  line-height: 1.05;
}

.scoreboard {
  grid-area: score;
  display: grid;
  grid-template-columns: repeat(4, minmax(82px, 1fr));
  gap: 10px;
  justify-self: end;
}

.scoreboard div {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  text-align: center;
  overflow-wrap: anywhere;
}

.scoreboard span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.scoreboard strong {
  display: block;
  margin-top: 2px;
  font-size: 1.55rem;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.select-copy {
  max-width: 760px;
  margin: 24px 0 28px;
}

.select-copy p:last-child {
  max-width: 620px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.creature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 14px;
}

.difficulty-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 20px;
}

.difficulty-card {
  min-height: 88px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.difficulty-card strong,
.difficulty-card span {
  display: block;
}

.difficulty-card strong {
  margin-bottom: 6px;
  font-size: 1.08rem;
}

.difficulty-card span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.difficulty-card.active {
  border-color: rgba(47, 111, 237, 0.65);
  background: rgba(47, 111, 237, 0.1);
  box-shadow: 0 8px 28px rgba(47, 111, 237, 0.14);
}

.settings-panel {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(130px, 0.7fr) minmax(180px, 1fr);
  gap: 12px;
  align-items: end;
  margin: 0 0 20px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.setting-group label,
.toggle-setting {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.setting-group label {
  display: block;
  margin-bottom: 6px;
}

.toggle-setting {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
}

.toggle-setting input {
  width: 18px;
  height: 18px;
}

.creature-card {
  position: relative;
  min-height: 214px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: 0 8px 28px rgba(29, 45, 72, 0.08);
  cursor: pointer;
  text-align: center;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

.creature-card:hover,
.creature-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--creature-color, rgba(47, 111, 237, 0.45));
  box-shadow: var(--shadow);
  outline: none;
}

.creature-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 108px;
  height: 108px;
  margin: 0 auto 8px;
  border-radius: 14px;
  background: var(--creature-tint, #eef3fa);
}

.creature-card img {
  display: block;
  width: 88px;
  height: 88px;
  object-fit: contain;
  image-rendering: pixelated;
}

.creature-card strong {
  display: block;
  font-size: 1.2rem;
}

.creature-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.type-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
}

.type-pill {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.battle-screen {
  min-height: 640px;
}

.arena {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(220px, 0.72fr) minmax(240px, 1fr);
  align-items: end;
  gap: 18px;
  min-height: 430px;
}

.fighter {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 390px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.fighter.hit-flash {
  animation: hitFlash 260ms ease;
}

.fighter.guard-flash {
  animation: guardFlash 360ms ease;
}

@keyframes hitFlash {
  0%,
  100% {
    box-shadow: var(--shadow);
  }

  40% {
    box-shadow: 0 0 0 4px rgba(227, 79, 79, 0.28), var(--shadow);
    transform: translateX(4px);
  }
}

@keyframes guardFlash {
  0%,
  100% {
    box-shadow: var(--shadow);
  }

  45% {
    box-shadow: 0 0 0 4px rgba(25, 169, 116, 0.32), var(--shadow);
  }
}

.sprite-stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 140px;
  margin-top: 8px;
  overflow: hidden;
}

.sprite-stage::after {
  content: "";
  position: absolute;
  inset: auto 10% 10px;
  height: 44px;
  border-radius: 50%;
  background: rgba(24, 33, 47, 0.1);
  filter: blur(1px);
}

.fighter-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.fighter-meta span,
.hp-label {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.fighter-meta strong {
  font-size: 1.55rem;
  text-transform: capitalize;
}

.hp-wrap,
.atg-wrap {
  margin-top: 16px;
}

.atg-wrap {
  margin-top: 10px;
}

.hp-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.hp-track {
  height: 14px;
  overflow: hidden;
  border: 1px solid rgba(24, 33, 47, 0.12);
  border-radius: 999px;
  background: #eef2f7;
}

.atg-track {
  height: 10px;
  overflow: hidden;
  border: 1px solid rgba(24, 33, 47, 0.12);
  border-radius: 999px;
  background: #eef2f7;
}

.hp-bar,
.atg-bar {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  transition: width 220ms ease;
}

.player-hp {
  background: linear-gradient(90deg, var(--green), #63d48b);
}

.boss-hp {
  background: linear-gradient(90deg, var(--red), #ff956f);
}

.player-atg {
  width: 0%;
  background: linear-gradient(90deg, var(--blue), #61d9ff);
}

.boss-atg {
  width: 0%;
  background: linear-gradient(90deg, var(--yellow), #ff8f57);
}

.ready-pulse {
  animation: readyPulse 720ms ease-in-out infinite alternate;
}

@keyframes readyPulse {
  from {
    filter: brightness(1);
  }

  to {
    filter: brightness(1.28);
  }
}

.sprite {
  position: absolute;
  z-index: 1;
  bottom: 4px;
  width: min(72%, 260px);
  height: 100%;
  object-fit: contain;
  object-position: bottom center;
  transform-origin: 50% 88%;
  --charge: 0;
  animation-name: idleFloat;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-duration: calc(2.6s - (var(--charge, 0) * 1.6s));
}

.player-sprite {
  left: 4%;
  filter: drop-shadow(0 0 calc(var(--charge, 0) * 9px) rgba(47, 111, 237, calc(var(--charge, 0) * 0.65)));
}

.boss-sprite {
  right: 4%;
  animation-delay: -1.3s;
  filter: drop-shadow(0 0 calc(var(--charge, 0) * 9px) rgba(227, 79, 79, calc(var(--charge, 0) * 0.65)));
}

@keyframes idleFloat {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-5px) scale(1.02);
  }
}

.sprite.sprite-ready {
  animation: readyBounce 0.55s ease-in-out infinite;
}

@keyframes readyBounce {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  30% {
    transform: translateY(-10px) scale(1.06);
  }

  55% {
    transform: translateY(1px) scale(0.96);
  }
}

.sprite.sprite-guard {
  animation: guardPulse 0.9s ease-in-out infinite;
}

@keyframes guardPulse {
  0%,
  100% {
    transform: translateY(0) scale(0.92);
    filter: drop-shadow(0 0 0 rgba(47, 111, 237, 0));
  }

  50% {
    transform: translateY(3px) scale(0.88);
    filter: drop-shadow(0 0 10px rgba(47, 111, 237, 0.55));
  }
}

.sprite.sprite-charging {
  animation: chargeGlow 0.5s ease-in-out infinite;
}

@keyframes chargeGlow {
  0%,
  100% {
    transform: translateX(0) scale(1);
    filter: drop-shadow(0 0 0 rgba(227, 79, 79, 0));
  }

  50% {
    transform: translateX(-6px) scale(1.07);
    filter: drop-shadow(0 0 12px rgba(227, 79, 79, 0.6));
  }
}

.sprite.attack-forward {
  animation: attackForward 380ms ease;
}

@keyframes attackForward {
  0% {
    transform: translateX(0) scale(1) rotate(0deg);
  }

  40% {
    transform: translateX(34px) scale(1.12) rotate(-6deg);
  }

  65% {
    transform: translateX(28px) scale(1.08) rotate(-2deg);
  }

  100% {
    transform: translateX(0) scale(1) rotate(0deg);
  }
}

.sprite.attack-back {
  animation: attackBack 380ms ease;
}

@keyframes attackBack {
  0% {
    transform: translateX(0) scale(1) rotate(0deg);
  }

  40% {
    transform: translateX(-34px) scale(1.12) rotate(6deg);
  }

  65% {
    transform: translateX(-28px) scale(1.08) rotate(2deg);
  }

  100% {
    transform: translateX(0) scale(1) rotate(0deg);
  }
}

.sprite.hit-shake {
  animation: hitShake 360ms ease;
}

@keyframes hitShake {
  0% {
    transform: translateX(0);
  }

  15% {
    transform: translateX(-9px) rotate(-5deg);
  }

  30% {
    transform: translateX(8px) rotate(4deg);
  }

  45% {
    transform: translateX(-6px) rotate(-3deg);
  }

  60% {
    transform: translateX(5px) rotate(2deg);
  }

  75% {
    transform: translateX(-2px);
  }

  100% {
    transform: translateX(0);
  }
}

body.paused .sprite {
  animation-play-state: paused;
}

.battle-center {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.battle-message {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  color: #344154;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.55;
  text-align: center;
}

.paused .atg-bar {
  transition: none;
  filter: grayscale(0.5);
}

.question-panel {
  display: grid;
  grid-template-columns: 1fr minmax(250px, 390px);
  gap: 16px;
  align-items: end;
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.question-panel.defense-mode {
  border-color: rgba(227, 79, 79, 0.42);
  background: rgba(255, 248, 246, 0.92);
}

.question-panel.defense-mode .eyebrow {
  color: var(--red);
}

.defense-timer {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(227, 79, 79, 0.1);
  color: var(--red);
  font-weight: 900;
}

.defense-timer strong {
  font-size: 1.35rem;
}

.move-panel {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.move-card {
  min-height: 82px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.move-card strong,
.move-card span {
  display: block;
}

.move-card strong {
  margin-bottom: 5px;
}

.move-card span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.move-card.active {
  border-color: rgba(47, 111, 237, 0.65);
  background: rgba(47, 111, 237, 0.1);
  box-shadow: 0 8px 22px rgba(47, 111, 237, 0.12);
}

.review-panel {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.review-panel h2 {
  margin-bottom: 12px;
  font-size: 1.45rem;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(5, minmax(110px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.summary-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.summary-card span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.summary-card strong {
  display: block;
  margin-top: 4px;
  font-size: 1.35rem;
}

.review-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.review-item {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(120px, 1fr) minmax(120px, 1fr);
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.review-item span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.review-item strong {
  display: block;
  margin-top: 3px;
}

.question-panel label {
  display: block;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900;
}

.answer-row {
  display: flex;
  gap: 10px;
}

input,
select {
  min-width: 0;
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 800;
}

input:focus,
select:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(47, 111, 237, 0.16);
}

.effects-layer {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 20;
  overflow: hidden;
}

.pause-overlay {
  position: fixed;
  inset: 0;
  z-index: 19;
  display: grid;
  place-items: center;
  background: rgba(247, 249, 252, 0.72);
  color: var(--ink);
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 950;
  backdrop-filter: blur(3px);
}

.damage-pop {
  position: fixed;
  z-index: 21;
  padding: 5px 9px;
  border-radius: 8px;
  background: rgba(24, 33, 47, 0.9);
  color: #fff;
  font-size: 1.15rem;
  font-weight: 950;
  animation: damagePop 760ms ease-out forwards;
}

.damage-pop.heal,
.damage-pop.guard {
  background: rgba(25, 169, 116, 0.95);
}

.damage-pop.miss {
  background: rgba(227, 79, 79, 0.95);
}

@keyframes damagePop {
  from {
    opacity: 0;
    transform: translate(-50%, 8px) scale(0.9);
  }

  20% {
    opacity: 1;
  }

  to {
    opacity: 0;
    transform: translate(-50%, -48px) scale(1.08);
  }
}

.primary-btn,
.ghost-btn {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 900;
  cursor: pointer;
  white-space: normal;
}

.primary-btn {
  border: 0;
  background: var(--blue);
  color: white;
}

.primary-btn:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.ghost-btn {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}

.hidden {
  display: none !important;
}

.loading,
.error {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--muted);
}

.error {
  color: #b63232;
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "audio"
      "score";
    gap: 14px;
  }

  h1 {
    font-size: clamp(2.2rem, 8vw, 3.7rem);
  }

  .audio-controls,
  .scoreboard {
    width: 100%;
    justify-self: stretch;
  }

  .scoreboard {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .question-panel,
  .review-item {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .arena {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 12px;
  }

  .fighter {
    min-height: 290px;
  }

  .sprite {
    height: 170px;
    bottom: 34px;
  }

  .player-panel {
    order: 1;
  }

  .boss-panel {
    order: 2;
  }

  .battle-center {
    order: 3;
  }

  .question-panel {
    display: grid;
  }

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

@media (max-width: 640px) {
  .audio-controls {
    grid-template-columns: 1fr 1fr;
  }

  .audio-controls label {
    grid-column: 1 / -1;
  }

  .difficulty-panel,
  .settings-panel,
  .summary-cards {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}

body.class-mode .app-shell {
  width: min(1480px, calc(100vw - 24px));
}

body.class-mode h1 {
  font-size: clamp(3.2rem, 7vw, 6.6rem);
}

body.class-mode .battle-message {
  font-size: 1.35rem;
}

body.class-mode .question-panel label {
  font-size: clamp(3rem, 7vw, 5.6rem);
}

body.class-mode .scoreboard strong {
  font-size: 2rem;
}

body.class-mode .fighter {
  min-height: 430px;
}

body.class-mode .sprite {
  height: 270px;
}

@media (max-width: 520px) {
  .app-shell {
    width: min(100vw - 20px, 1180px);
    padding: 14px 0 18px;
  }

  .topbar {
    gap: 12px;
    margin-bottom: 18px;
  }

  .eyebrow {
    font-size: 0.72rem;
  }

  h1 {
    font-size: clamp(2rem, 12vw, 3rem);
    line-height: 1.02;
  }

  h2 {
    font-size: clamp(1.55rem, 8vw, 2.15rem);
    line-height: 1.12;
  }

  .compact-btn {
    width: 100%;
    margin-top: 10px;
  }

  .audio-controls {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .audio-controls label {
    grid-column: 1 / -1;
  }

  .scoreboard {
    gap: 8px;
  }

  .scoreboard div {
    padding: 9px 6px;
  }

  .scoreboard span {
    font-size: 0.72rem;
  }

  .scoreboard strong {
    font-size: 1.25rem;
  }

  .select-copy {
    margin: 18px 0 18px;
  }

  .select-copy p:last-child {
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .difficulty-panel,
  .settings-panel {
    gap: 10px;
    margin-bottom: 14px;
  }

  .difficulty-card {
    min-height: 76px;
    padding: 12px;
  }

  .settings-panel {
    padding: 12px;
  }

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

  .creature-card {
    min-height: 176px;
    padding: 12px;
  }

  .creature-avatar {
    width: 84px;
    height: 84px;
    margin-bottom: 6px;
  }

  .creature-card img {
    width: 68px;
    height: 68px;
  }

  .creature-card strong {
    font-size: 1rem;
  }

  .creature-card span {
    font-size: 0.82rem;
  }

  .type-pill {
    padding: 3px 7px;
    font-size: 0.72rem;
  }

  .battle-screen {
    min-height: auto;
  }

  .fighter {
    min-height: 238px;
    padding: 12px;
  }

  .fighter::after {
    inset: auto 16px 18px;
    height: 40px;
  }

  .fighter-meta {
    gap: 8px;
  }

  .fighter-meta span,
  .hp-label {
    font-size: 0.76rem;
  }

  .fighter-meta strong {
    font-size: 1.12rem;
  }

  .hp-wrap {
    margin-top: 10px;
  }

  .sprite {
    bottom: 24px;
    width: min(66%, 164px);
    height: 132px;
  }

  .battle-center {
    gap: 8px;
  }

  .battle-message {
    min-height: auto;
    padding: 12px;
    font-size: 0.98rem;
    line-height: 1.5;
  }

  .question-panel {
    gap: 10px;
    margin-top: 12px;
    padding: 12px;
  }

  .question-panel label {
    font-size: clamp(1.8rem, 11vw, 2.55rem);
  }

  .defense-timer {
    margin-top: 8px;
    padding: 7px 9px;
  }

  .move-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 10px;
  }

  .move-card {
    min-height: 76px;
    padding: 10px;
  }

  .move-card strong {
    margin-bottom: 4px;
    font-size: 0.96rem;
  }

  .move-card span {
    font-size: 0.74rem;
  }

  .answer-row {
    flex-direction: column;
  }

  input,
  select {
    padding: 12px;
    font-size: 1rem;
  }

  .primary-btn,
  .ghost-btn {
    min-height: 46px;
    padding: 0 14px;
  }

  .review-panel {
    padding: 12px;
  }

  .summary-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .review-item {
    gap: 8px;
    padding: 10px;
  }

  .pause-overlay {
    font-size: clamp(2.4rem, 15vw, 4.6rem);
  }

  body.class-mode .app-shell {
    width: min(100vw - 12px, 1480px);
  }

  body.class-mode h1 {
    font-size: clamp(2.25rem, 12vw, 3.3rem);
  }

  body.class-mode .battle-message {
    font-size: 1.05rem;
  }

  body.class-mode .question-panel label {
    font-size: clamp(2.1rem, 12vw, 3rem);
  }

  body.class-mode .fighter {
    min-height: 258px;
  }

  body.class-mode .sprite {
    height: 148px;
  }
}

@media (max-width: 340px) {
  .scoreboard {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .creature-grid {
    grid-template-columns: 1fr;
  }

  .audio-controls,
  .move-panel {
    grid-template-columns: 1fr;
  }
}