:root {
  --bg: #f6f6f8;
  --bg-top: #f6f6f8;
  --surface: #ffffff;
  --surface-strong: #eff0f4;
  --panel: rgba(255, 255, 255, 0.94);
  --panel-soft: rgba(255, 255, 255, 0.9);
  --input-bg: #ffffff;
  --ink: #25242b;
  --muted: #6b6d78;
  --line: #dedee5;
  --primary: #bd355d;
  --primary-dark: #9f274b;
  --green: #267c50;
  --red: #c43d52;
  --amber: #a96d0e;
  --violet: #4668ae;
  --brand-yellow: #e9ad35;
  --brand-coral: #d64b70;
  --ring-track: #dedfe6;
  --correct-bg: rgba(38, 124, 80, 0.14);
  --wrong-bg: rgba(196, 61, 82, 0.13);
  --passed-bg: rgba(169, 109, 14, 0.16);
  --primary-bg: rgba(189, 53, 93, 0.09);
  --focus-ring: rgba(189, 53, 93, 0.22);
  --shadow: 0 16px 42px rgba(37, 36, 43, 0.11);
  --radius: 8px;
  --visual-viewport-height: 100dvh;
  --viewport-inset-left: 0px;
  --viewport-inset-right: 0px;
  --viewport-inset-bottom: 0px;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  --bg: #17171b;
  --bg-top: #17171b;
  --surface: #222228;
  --surface-strong: #2c2c34;
  --panel: rgba(34, 34, 40, 0.95);
  --panel-soft: rgba(34, 34, 40, 0.9);
  --input-bg: #18181d;
  --ink: #f5f5f7;
  --muted: #aaabb5;
  --line: #3b3b46;
  --primary: #f06a8b;
  --primary-dark: #dc5678;
  --green: #70ce98;
  --red: #ff8998;
  --amber: #efc05c;
  --violet: #8ca7e8;
  --brand-yellow: #f2be51;
  --brand-coral: #f06a8b;
  --ring-track: #393943;
  --correct-bg: rgba(112, 206, 152, 0.16);
  --wrong-bg: rgba(255, 137, 152, 0.15);
  --passed-bg: rgba(239, 192, 92, 0.16);
  --primary-bg: rgba(240, 106, 139, 0.12);
  --focus-ring: rgba(240, 106, 139, 0.28);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.entry-legal {
  display: flex;
  justify-content: center;
  padding: 11px 20px 13px;
  border-top: 1px solid var(--line);
  background: var(--surface-strong);
}

.entry-legal a,
.privacy-page a {
  color: var(--primary-dark);
  font-weight: 720;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.entry-legal a {
  font-size: 0.78rem;
}

.privacy-page body {
  min-height: 100dvh;
}

.privacy-shell {
  width: min(860px, 100%);
  margin: 0 auto;
  padding:
    max(18px, env(safe-area-inset-top))
    max(18px, env(safe-area-inset-right))
    max(36px, env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left));
}

.privacy-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.privacy-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink) !important;
  font-size: 1.02rem;
  font-weight: 850;
  text-decoration: none;
}

.privacy-brand img {
  width: 42px;
  height: 42px;
}

.privacy-brand span span {
  color: var(--brand-coral);
}

.privacy-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  color: var(--ink) !important;
  text-decoration: none;
}

.privacy-intro {
  padding: 58px 0 28px;
}

.privacy-intro h1 {
  max-width: 720px;
  margin: 4px 0 12px;
  font-size: clamp(2rem, 7vw, 3.35rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.privacy-intro > p:not(.eyebrow) {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.privacy-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin: 28px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.privacy-meta div {
  min-width: 0;
  padding: 14px;
  background: var(--surface);
}

.privacy-meta dt {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 780;
  text-transform: uppercase;
}

.privacy-meta dd {
  overflow-wrap: anywhere;
  margin: 5px 0 0;
  font-weight: 750;
}

.privacy-summary {
  padding: 22px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand-yellow);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.privacy-summary h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.privacy-summary ul,
.privacy-content ul {
  margin: 0;
  padding-left: 21px;
}

.privacy-summary li,
.privacy-content li {
  margin: 7px 0;
  line-height: 1.6;
}

.privacy-content {
  margin-top: 34px;
}

.privacy-content section {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.privacy-content h2 {
  margin: 0 0 14px;
  font-size: 1.28rem;
}

.privacy-content h3 {
  margin: 20px 0 7px;
  font-size: 1rem;
}

.privacy-content p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.privacy-content strong {
  color: var(--ink);
}

.privacy-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

@media (prefers-color-scheme: dark) {
  .privacy-page {
    --bg: #17171b;
    --bg-top: #17171b;
    --surface: #222228;
    --surface-strong: #2c2c34;
    --panel: rgba(34, 34, 40, 0.95);
    --panel-soft: rgba(34, 34, 40, 0.9);
    --input-bg: #18181d;
    --ink: #f5f5f7;
    --muted: #aaabb5;
    --line: #3b3b46;
    --primary: #f06a8b;
    --primary-dark: #f06a8b;
    --brand-yellow: #f2be51;
    --brand-coral: #f06a8b;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
    color-scheme: dark;
  }
}

@media (max-width: 640px) {
  .privacy-intro {
    padding-top: 38px;
  }

  .privacy-meta {
    grid-template-columns: 1fr;
  }

  .privacy-summary {
    padding: 18px;
  }
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
  touch-action: manipulation;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.is-hidden {
  display: none !important;
}

.app-shell {
  width: min(1012px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding:
    max(18px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right), var(--viewport-inset-right))
    max(28px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left), var(--viewport-inset-left));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.topbar-left {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.theme-button {
  flex: 0 0 42px;
  width: 42px;
  font-size: 1.08rem;
}

.entry-screen {
  display: grid;
  align-content: start;
  min-height: calc(100dvh - 92px);
  gap: 18px;
  margin-bottom: 14px;
  padding: 64px 0 54px;
}

.entry-header {
  display: grid;
  gap: 8px;
  max-width: 760px;
}

.entry-header p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

#introDescription {
  min-height: 1.5em;
}

.round-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.round-summary span {
  display: inline-flex;
  align-items: baseline;
  min-height: 30px;
  gap: 5px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 720;
}

.round-summary strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.entry-console {
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 4px solid var(--brand-yellow);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

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

.entry-step {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
  padding: 20px;
}

.entry-step + .entry-step {
  border-left: 1px solid var(--line);
}

.entry-step__header {
  min-width: 0;
}

.entry-step h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.2;
}

.entry-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 260px);
  grid-template-areas:
    "session start"
    "live live";
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
  background: var(--surface-strong);
}

.entry-action .session-code {
  grid-area: session;
  justify-self: start;
}

.entry-action .live-join-field {
  grid-area: live;
  margin: 0;
}

.entry-action .primary-button--wide {
  grid-area: start;
}

.entry-action:has(.live-join-field:not(.is-hidden)) {
  grid-template-areas:
    "session session"
    "live live"
    "start start";
}

.monetization-actions {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 10px 20px;
  border-top: 1px solid var(--line);
  background: var(--surface-strong);
}

.monetization-actions .secondary-button {
  min-height: 36px;
  padding: 7px 12px;
}

.text-button {
  min-height: 36px;
  padding: 6px 2px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 720;
}

.text-button:hover {
  color: var(--ink);
}

.monetization-status {
  flex-basis: 100%;
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.78rem;
  line-height: 1.35;
}

.type-selector,
.mode-selector {
  display: grid;
  gap: 4px;
}

.type-selector {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.mode-selector {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.type-button,
.mode-button {
  min-height: 50px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  text-align: center;
  transition: border-color 150ms ease, background 150ms ease, color 150ms ease, transform 150ms ease;
}

.type-button strong,
.mode-button strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 0.92rem;
  line-height: 1.15;
}

.type-button.is-active,
.mode-button.is-active {
  border-color: rgba(189, 53, 93, 0.24);
  background: var(--primary-bg);
  color: var(--ink);
  box-shadow: inset 0 -3px 0 var(--primary);
}

.type-button:hover:not(.is-active),
.mode-button:hover:not(.is-active) {
  background: var(--surface-strong);
  color: var(--ink);
}

.type-button:focus-visible,
.mode-button:focus-visible,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.ghost-button:focus-visible,
.icon-button:focus-visible,
.text-button:focus-visible,
.tab-button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.session-code {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin: 4px 0 0;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
}

.session-code--result {
  margin-top: 2px;
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(37, 36, 43, 0.18);
}

.brand-copy {
  min-width: 0;
}

.brand-y {
  color: var(--brand-coral);
}

.brand-suffix {
  color: var(--muted);
  font-weight: 720;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

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

h1 {
  margin-bottom: 0;
  font-size: 1.38rem;
  line-height: 1.12;
}

h2 {
  margin-bottom: 10px;
  font-size: 1.75rem;
  line-height: 1.1;
}

.entry-header h2 {
  max-width: 720px;
  margin-bottom: 0;
  font-size: 2rem;
}

h3 {
  margin-top: 0;
}

.game-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: start;
}

.alphabet-rail {
  display: grid;
  grid-template-columns: repeat(13, minmax(0, 1fr));
  gap: 5px;
  align-content: start;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
  box-shadow: var(--shadow);
}

.letter-chip {
  display: inline-grid;
  place-items: center;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
  line-height: 1;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.letter-chip.is-selected {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

.letter-chip.is-correct {
  border-color: rgba(31, 138, 85, 0.3);
  background: var(--correct-bg);
  color: var(--green);
}

.letter-chip.is-wrong {
  border-color: rgba(192, 68, 68, 0.28);
  background: var(--wrong-bg);
  color: var(--red);
}

.letter-chip.is-passed {
  border-color: rgba(201, 138, 23, 0.36);
  background: var(--passed-bg);
  color: var(--amber);
}

.question-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.timer {
  --progress: 100%;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 116px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-weight: 850;
}

.timer-ring {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: conic-gradient(var(--primary) var(--progress), var(--ring-track) 0);
  position: relative;
}

.timer-ring::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  background: var(--surface);
}

.score-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.score-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 34px;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--muted);
  white-space: nowrap;
}

.score-pill strong {
  color: var(--ink);
}

.score-pill--correct strong {
  color: var(--green);
}

.score-pill--wrong strong {
  color: var(--red);
}

.score-pill--passed strong {
  color: var(--amber);
}

.question-stage {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 158px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.letter-badge {
  display: grid;
  place-items: center;
  width: 48px;
  aspect-ratio: 1;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 1.58rem;
  font-weight: 880;
  line-height: 1;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(189, 53, 93, 0.18);
  border-radius: 999px;
  background: var(--primary-bg);
  color: var(--primary-dark);
  font-size: 0.84rem;
  font-weight: 780;
}

.meta-pill--muted {
  border-color: var(--line);
  background: var(--surface-strong);
  color: var(--muted);
}

.question-progress {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

.question-text {
  margin: 0;
  color: var(--ink);
  max-width: 680px;
  font-size: 1.28rem;
  font-weight: 720;
  line-height: 1.34;
  overflow-wrap: anywhere;
}

.answer-field {
  display: grid;
  grid-template-columns: 1fr minmax(112px, 140px);
  gap: 10px;
}

.answer-input {
  min-width: 0;
  height: 52px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--input-bg);
  color: var(--ink);
  font-size: 1.08rem;
  outline: none;
}

.answer-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.primary-button,
.secondary-button,
.ghost-button,
.icon-button,
.tab-button {
  min-height: 42px;
  border: 0;
  border-radius: var(--radius);
  font-weight: 820;
}

.primary-button {
  padding: 0 18px;
  background: var(--primary);
  color: #fff;
}

.primary-button:hover:not(:disabled) {
  background: var(--primary-dark);
}

.primary-button--wide {
  width: 100%;
  min-height: 48px;
}

.secondary-button {
  padding: 0 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.ghost-button {
  padding: 0 15px;
  border: 1px solid rgba(192, 68, 68, 0.25);
  background: rgba(192, 68, 68, 0.08);
  color: #9e3636;
}

.icon-button {
  width: 38px;
  min-height: 38px;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 1.4rem;
  line-height: 1;
}

.feedback {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  margin: -2px 0 0;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-weight: 760;
  line-height: 1.3;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.feedback:empty {
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.feedback:not(:empty)::before {
  content: "";
  flex: 0 0 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: currentColor;
}

.feedback:not(:empty) {
  transform: translateY(-1px);
}

.feedback[data-type="correct"] {
  border-color: rgba(31, 138, 85, 0.24);
  background: var(--correct-bg);
  color: var(--green);
}

.feedback[data-type="wrong"] {
  border-color: rgba(192, 68, 68, 0.24);
  background: var(--wrong-bg);
  color: var(--red);
}

.feedback[data-type="passed"],
.feedback[data-type="warning"] {
  border-color: rgba(201, 138, 23, 0.3);
  background: var(--passed-bg);
  color: var(--amber);
}

.versus-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.live-duel-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.live-duel-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.live-duel-header__main {
  min-width: 0;
}

.live-duel-statusline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-duel-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
}

.live-duel-dot--waiting {
  background: var(--amber);
}

.live-duel-dot--playing {
  background: var(--green);
}

.live-duel-dot--error {
  background: var(--red);
}

.live-duel-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 760;
}

.live-duel-player-count,
.live-duel-room {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 11px;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 850;
  white-space: nowrap;
}

.live-duel-player-count {
  color: var(--primary-dark);
}

.live-duel-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.live-room-toggle {
  min-height: 38px;
  padding-inline: 11px;
}

.live-room-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.live-duel-error {
  margin: 0;
  color: var(--red);
  font-weight: 760;
}

.live-duel-invite {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding: 10px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 760;
}

.live-duel-invite div {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.live-duel-invite span {
  white-space: nowrap;
}

.live-duel-invite code {
  padding: 4px 7px;
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
  font-weight: 880;
  letter-spacing: 0.04em;
}

.live-duel-invite small {
  color: var(--muted);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.live-duel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.75fr);
  gap: 12px;
  align-items: start;
}

.live-join-field {
  display: grid;
  gap: 12px;
  margin: 14px 0 16px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.live-entry-mode {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  width: min(100%, 360px);
  padding: 4px;
  border-radius: 8px;
  background: var(--surface-strong);
}

.live-entry-mode__button {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.live-entry-mode__button.is-active {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.live-player-count {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: min(100%, 360px);
}

.live-player-count > span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 780;
}

.live-player-count__selector {
  display: grid;
  grid-template-columns: repeat(3, 52px);
  gap: 4px;
  padding: 4px;
  border-radius: 8px;
  background: var(--surface-strong);
}

.live-player-count__selector button {
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.live-player-count__selector button.is-active {
  border-color: var(--line);
  background: var(--surface);
  color: var(--primary-dark);
}

.live-entry-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.live-entry-field {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.live-entry-field > span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 780;
}

.live-entry-field small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
}

.live-entry-field .answer-input {
  height: 46px;
  font-size: 1rem;
}

#liveRoomInput {
  text-transform: uppercase;
}

.live-entry-hint,
.live-entry-error {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.4;
}

.live-entry-hint {
  color: var(--muted);
}

.live-entry-error {
  color: var(--red);
  font-weight: 760;
}

.live-ready-bar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.live-ready-bar > div {
  display: grid;
  gap: 2px;
}

.live-ready-bar strong {
  color: var(--ink);
}

.live-ready-bar small {
  color: var(--muted);
  line-height: 1.35;
}

.live-ready-bar .primary-button {
  min-width: 120px;
}

.live-countdown {
  display: grid;
  place-items: center;
  min-height: 132px;
  padding: 18px;
  border: 1px solid rgba(189, 53, 93, 0.3);
  border-radius: var(--radius);
  background: var(--primary-bg);
  color: var(--primary-dark);
}

.live-countdown span {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
}

.live-countdown strong {
  margin-top: 6px;
  font-size: 1rem;
}

.live-player-roster {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.live-player-roster li,
.live-opponent-status {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.live-player-roster li.is-empty {
  border-style: dashed;
  color: var(--muted);
  background: var(--surface-strong);
}

.live-player-roster span,
.live-opponent-status > span {
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 800;
}

.live-player-roster strong,
.live-opponent-status strong {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.82rem;
}

.live-opponent-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.live-opponent-panel__header {
  display: flex;
  min-height: 38px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.live-opponent-panel__header > strong {
  color: var(--ink);
  font-size: 0.92rem;
}

.live-opponent-panel__header > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 7px;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}

.live-opponent-list {
  display: grid;
  gap: 8px;
}

.live-opponent-status {
  background: var(--surface);
}

.live-player-roster strong[data-tone="correct"],
.live-opponent-status strong[data-tone="correct"] {
  color: var(--green);
}

.live-opponent-status strong[data-tone="wrong"] {
  color: var(--red);
}

.live-opponent-status strong[data-tone="passed"] {
  color: var(--amber);
}

.live-opponent-status strong[data-tone="thinking"] {
  color: var(--violet);
}

.live-opponent-status strong[data-tone="offline"] {
  color: var(--red);
}

.versus-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  position: relative;
}

.versus-card.is-done {
  background: var(--surface-strong);
}

.versus-card.is-own-player {
  border-color: rgba(189, 53, 93, 0.36);
}

.versus-card.is-opponent {
  border-color: rgba(70, 104, 174, 0.34);
}

.versus-card.is-waiting-player,
.versus-card.is-offline {
  background: var(--surface-strong);
}

.versus-card.is-offline {
  border-color: rgba(192, 68, 68, 0.28);
}

.versus-card__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.versus-player-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.versus-player-name {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.2;
}

.player-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
}

.is-own-player .player-badge {
  background: var(--primary-bg);
  color: var(--primary-dark);
}

.is-opponent .player-badge {
  background: rgba(70, 104, 174, 0.13);
  color: var(--violet);
}

.is-offline .player-badge {
  background: var(--wrong-bg);
  color: var(--red);
}

.versus-card__state {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 760;
}

.versus-score {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.versus-score span {
  display: grid;
  min-height: 42px;
  place-items: center;
  align-content: center;
  gap: 2px;
  padding: 6px;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
  text-align: center;
}

.versus-score strong {
  color: var(--ink);
  font-size: 1.06rem;
  line-height: 1;
}

.versus-progress {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.versus-progress::before {
  content: "";
  grid-column: 1;
  grid-row: 1;
  min-height: 8px;
  border-radius: 999px;
  background: var(--ring-track);
}

.versus-progress span {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  min-height: 8px;
  border-radius: 999px;
  background: var(--primary);
}

.is-opponent .versus-progress span {
  background: var(--violet);
}

.versus-progress small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 820;
  white-space: nowrap;
}

.versus-card:nth-child(2) .letter-badge {
  background: var(--violet);
}

.versus-card .question-meta {
  margin-bottom: 10px;
}

.versus-card .question-text {
  max-width: none;
  min-height: 94px;
  font-size: 1rem;
  font-weight: 680;
  line-height: 1.36;
}

.versus-answer-form {
  display: grid;
  grid-template-columns: 1fr minmax(92px, auto) minmax(72px, auto);
  gap: 8px;
}

.versus-answer-form .answer-input {
  height: 46px;
  font-size: 1rem;
}

.versus-feedback {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-weight: 760;
}

.versus-feedback[data-type="correct"] {
  color: var(--green);
}

.versus-feedback[data-type="wrong"] {
  color: var(--red);
}

.versus-feedback[data-type="passed"],
.versus-feedback[data-type="warning"] {
  color: var(--amber);
}

.live-duel-panel[data-phase="waiting"] .versus-card .question-text,
.live-duel-panel[data-phase="countdown"] .versus-card .question-text {
  min-height: 0;
}

.live-duel-panel[data-phase="waiting"] .versus-card .question-meta,
.live-duel-panel[data-phase="countdown"] .versus-card .question-meta {
  display: none;
}

.live-duel-panel[data-phase="waiting"] .versus-answer-form,
.live-duel-panel[data-phase="waiting"] .versus-feedback:empty,
.live-duel-panel[data-phase="countdown"] .versus-answer-form,
.live-duel-panel[data-phase="countdown"] .versus-feedback:empty {
  display: none;
}

.versus-result-summary {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.versus-result-summary strong {
  display: block;
  margin-bottom: 8px;
}

.versus-result-rule {
  margin: -2px 0 10px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 740;
}

.versus-result-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.versus-result-list span,
.versus-answer-pair span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 760;
}

.versus-answer-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 0 12px 12px;
}

.modal {
  width: min(520px, calc(100% - 28px));
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.results-modal {
  width: min(720px, calc(100% - 28px));
}

.modal::backdrop {
  background: rgba(37, 36, 43, 0.42);
  backdrop-filter: blur(2px);
}

.modal-body {
  padding: 22px;
  max-height: min(86vh, 760px);
  overflow: auto;
}

.modal-body p {
  color: var(--muted);
  line-height: 1.55;
}

.confirm-modal {
  width: min(480px, calc(100% - 28px));
}

.confirm-modal__body {
  position: relative;
  padding: 30px 28px 26px;
  text-align: center;
}

.confirm-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 36px;
  min-height: 36px;
  padding: 0;
  font-size: 1.35rem;
}

.confirm-modal__body .eyebrow {
  justify-content: center;
  margin: 0 42px 8px;
}

.confirm-modal__body h2 {
  margin: 0 34px 10px;
  font-size: 1.42rem;
  line-height: 1.25;
}

.confirm-modal__body > p:not(.eyebrow) {
  max-width: 390px;
  margin: 0 auto;
}

.confirm-modal .confirm-modal__actions {
  position: static;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.confirm-modal__actions button {
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding-inline: 12px;
  white-space: normal;
}

.modal-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.tab-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 16px 0;
  padding: 4px;
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.tab-button {
  background: transparent;
  color: var(--muted);
}

.tab-button.is-active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 5px rgba(37, 36, 43, 0.1);
}

.tab-panel.is-hidden {
  display: none;
}

.result-overview {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.result-overview__main {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.result-score {
  display: grid;
  grid-template-columns: auto auto;
  place-content: center;
  align-items: start;
  width: 78px;
  aspect-ratio: 1;
  border: 1px solid rgba(189, 53, 93, 0.26);
  border-radius: 50%;
  background: var(--surface);
  color: var(--primary-dark);
  font-variant-numeric: tabular-nums;
  box-shadow: 0 8px 24px rgba(37, 36, 43, 0.08);
}

.result-score strong {
  font-size: 2rem;
  line-height: 1;
}

.result-score span {
  margin-top: 3px;
  font-size: 0.86rem;
  font-weight: 850;
}

.result-copy {
  min-width: 0;
}

.result-copy strong {
  display: block;
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.2;
}

.result-copy p {
  margin: 5px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.result-breakdown {
  display: flex;
  min-height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--ring-track);
}

.result-breakdown__segment {
  min-width: 0;
}

.result-breakdown__segment--correct {
  background: var(--green);
}

.result-breakdown__segment--wrong {
  background: var(--red);
}

.result-breakdown__segment--passed {
  background: var(--amber);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  gap: 10px;
}

.result-tile {
  min-height: 92px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.result-tile strong {
  font-size: 1.7rem;
  line-height: 1;
}

.result-tile span {
  color: var(--muted);
  font-weight: 750;
}

.result-tile--correct strong {
  color: var(--green);
}

.result-tile--wrong strong {
  color: var(--red);
}

.result-tile--passed strong {
  color: var(--amber);
}

.answer-key {
  max-height: min(48vh, 430px);
  overflow: auto;
  padding-right: 4px;
}

.answer-row {
  margin-bottom: 8px;
  border: 1px solid var(--line);
  border-left-width: 6px;
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.answer-row--correct {
  border-left-color: var(--green);
}

.answer-row--wrong {
  border-left-color: var(--red);
}

.answer-row--passed {
  border-left-color: var(--amber);
}

.answer-row summary {
  display: grid;
  grid-template-columns: 1fr minmax(64px, auto) 38px;
  gap: 10px;
  align-items: center;
  min-height: 46px;
  padding: 0 10px;
  cursor: pointer;
  font-weight: 780;
  list-style: none;
}

.answer-row summary::-webkit-details-marker {
  display: none;
}

.answer-row__answer {
  overflow-wrap: anywhere;
}

.answer-row__letter {
  display: inline-grid;
  place-items: center;
  min-height: 30px;
  border-radius: 8px;
  background: var(--surface-strong);
}

.answer-row__status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 820;
  white-space: nowrap;
}

.answer-row__status--correct {
  background: var(--correct-bg);
  color: var(--green);
}

.answer-row__status--wrong {
  background: var(--wrong-bg);
  color: var(--red);
}

.answer-row__status--passed {
  background: var(--passed-bg);
  color: var(--amber);
}

.answer-row p,
.answer-key__user {
  display: block;
  margin: 0;
  padding: 0 12px 12px;
  color: var(--muted);
}

.answer-row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 12px 10px;
}

.answer-row__meta span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
}

.answer-row__explanation {
  color: var(--ink);
}

.answer-key__user {
  color: var(--ink);
  font-weight: 760;
}

.answer-key__user strong {
  color: var(--muted);
  font-weight: 820;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

@media (max-width: 760px) {
  .app-shell {
    width: min(576px, 100%);
    padding-top: max(10px, env(safe-area-inset-top));
    padding-right: max(8px, env(safe-area-inset-right), var(--viewport-inset-right));
    padding-bottom: max(18px, env(safe-area-inset-bottom));
    padding-left: max(8px, env(safe-area-inset-left), var(--viewport-inset-left));
  }

  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
  }

  .topbar-left {
    align-items: center;
    flex-wrap: nowrap;
    min-width: 0;
  }

  .topbar-actions {
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
  }

  .topbar .secondary-button,
  .topbar .ghost-button {
    min-height: 38px;
    padding-inline: 12px;
    white-space: nowrap;
  }

  .brand {
    gap: 8px;
  }

  .topbar-left:has(#menuButton:not(.is-hidden)) .brand {
    display: none;
  }

  .topbar-left:has(#menuButton:not(.is-hidden)) .brand-mark {
    display: none;
  }

  .topbar-left:has(#menuButton:not(.is-hidden)) .eyebrow,
  .topbar-left:has(#menuButton:not(.is-hidden)) h1 {
    white-space: nowrap;
  }

  .topbar-left:has(#menuButton:not(.is-hidden)) .eyebrow {
    font-size: 0.68rem;
  }

  .topbar-left:has(#menuButton:not(.is-hidden)) h1 {
    font-size: 1.1rem;
  }

  .type-selector,
  .mode-selector {
    grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  }

  .entry-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .entry-screen {
    align-content: start;
    min-height: 0;
    gap: 14px;
    padding: 12px 0 24px;
  }

  .entry-step {
    padding: 14px;
  }

  .entry-step + .entry-step {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .entry-action,
  .entry-action:has(.live-join-field:not(.is-hidden)) {
    grid-template-columns: 1fr;
    grid-template-areas:
      "session"
      "live"
      "start";
    padding: 14px;
  }

  #introDescription {
    min-height: 0;
  }

  .entry-header h2 {
    font-size: 1.6rem;
  }

  .round-summary {
    gap: 6px;
  }

  .round-summary span {
    min-height: 28px;
    padding: 4px 8px;
  }

  h1 {
    font-size: 1.16rem;
  }

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

  .alphabet-rail {
    grid-template-columns: repeat(13, minmax(0, 1fr));
    gap: 4px;
    padding: 6px;
  }

  .letter-chip {
    min-height: 30px;
    border-radius: 6px;
    font-size: 0.8rem;
  }

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

  .status-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 8px;
  }

  .score-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: stretch;
    gap: 6px;
  }

  .score-pill {
    min-width: 0;
    min-height: 32px;
    padding: 4px 6px;
    gap: 3px;
    font-size: 0.86rem;
  }

  .question-stage {
    min-height: clamp(124px, 23dvh, 152px);
    padding: 14px;
  }

  .question-meta {
    gap: 6px;
    margin-bottom: 12px;
  }

  .letter-badge {
    width: 42px;
    font-size: 1.36rem;
  }

  .meta-pill {
    min-height: 28px;
    padding-inline: 9px;
    font-size: 0.78rem;
  }

  .question-text {
    max-width: none;
    font-size: 1.08rem;
    line-height: 1.36;
  }

  .answer-field {
    grid-template-columns: minmax(0, 1fr) minmax(84px, 96px);
    gap: 8px;
    position: sticky;
    bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 2;
    margin: 0 -4px -4px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    box-shadow: 0 -10px 26px rgba(37, 36, 43, 0.1);
  }

  .answer-input {
    height: 50px;
    padding-inline: 12px;
    font-size: 1rem;
  }

  .versus-panel,
  .live-duel-grid,
  .versus-result-list,
  .versus-answer-pair {
    grid-template-columns: 1fr;
  }

  .live-duel-grid .versus-card.is-own-player {
    order: -1;
  }

  .live-duel-header {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .live-duel-actions,
  .live-duel-player-count,
  .live-duel-room {
    justify-content: center;
    white-space: normal;
  }

  .live-room-meta {
    justify-content: center;
  }

  .live-duel-invite {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .live-duel-invite div {
    justify-content: center;
  }

  .live-duel-invite small {
    text-align: center;
  }

  .live-entry-fields {
    grid-template-columns: 1fr;
  }

  .live-ready-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .live-ready-bar .primary-button {
    width: 100%;
  }

  .versus-answer-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    position: sticky;
    bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 2;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    box-shadow: 0 -10px 26px rgba(37, 36, 43, 0.1);
  }

  .versus-answer-form .answer-input {
    grid-column: 1 / -1;
  }

  .result-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .results-modal {
    width: calc(100% - 16px);
    max-height: calc(100dvh - 16px);
  }

  .modal-body {
    padding: 18px;
    max-height: calc(100dvh - 16px);
  }

  .confirm-modal__body {
    padding: 28px 20px 22px;
  }

  .confirm-modal__close {
    top: 10px;
    right: 10px;
  }

  .confirm-modal__body h2 {
    margin-inline: 32px;
  }

  .modal-header {
    gap: 10px;
  }

  .result-overview__main {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .result-score {
    width: 72px;
  }

  .result-copy strong {
    font-size: 1rem;
  }

  .answer-key {
    max-height: 44vh;
  }

  .answer-row summary {
    grid-template-columns: minmax(0, 1fr) minmax(58px, auto) 34px;
    gap: 7px;
    min-height: 44px;
    padding-inline: 8px;
  }

  .answer-row__answer {
    font-size: 0.94rem;
  }

  .modal-actions {
    position: sticky;
    bottom: -18px;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.875fr) minmax(0, 0.875fr);
    gap: 8px;
    margin: 14px -18px -18px;
    padding: 12px 18px max(12px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    background: var(--surface);
  }

  .modal-actions .primary-button,
  .modal-actions .secondary-button,
  .modal-actions .ghost-button {
    padding-inline: 8px;
    min-width: 0;
    white-space: normal;
    font-size: 0.92rem;
    line-height: 1.12;
  }

  .modal-actions #restartButton {
    order: -1;
  }

  .confirm-modal .confirm-modal__actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 22px 0 0;
    padding: 0;
    border: 0;
  }
}

@media (max-width: 420px) {
  .alphabet-rail {
    grid-template-columns: repeat(13, minmax(0, 1fr));
    gap: 3px;
    padding: 6px;
  }

  .letter-chip {
    min-height: 28px;
    font-size: 0.72rem;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  h1 {
    font-size: 1.12rem;
  }

  .ghost-button {
    padding-inline: 11px;
  }

  .question-stage {
    min-height: 148px;
    padding: 13px;
  }

  .score-strip {
    gap: 6px;
  }

  .score-pill {
    min-height: 32px;
    padding-inline: 7px;
    font-size: 0.9rem;
  }

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

  .result-tile {
    min-height: 72px;
  }

  .modal-actions {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.875fr) minmax(0, 0.875fr);
  }

  .answer-row summary {
    grid-template-columns: minmax(0, 1fr) 34px;
  }

  .answer-row__status {
    grid-column: 1 / -1;
    justify-self: start;
    min-height: 24px;
  }
}

@media (max-width: 360px) {
  .status-row {
    grid-template-columns: 1fr;
  }

  .timer {
    min-width: 0;
  }

  .confirm-modal .confirm-modal__actions {
    grid-template-columns: 1fr;
  }
}

@media (orientation: landscape) and (max-height: 600px) {
  .app-shell {
    width: 100%;
    max-width: none;
    min-height: 100dvh;
    padding:
      max(6px, env(safe-area-inset-top))
      max(10px, env(safe-area-inset-right), var(--viewport-inset-right))
      max(8px, env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left), var(--viewport-inset-left));
  }

  :root:not([data-game-phase="intro"]) .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    margin-bottom: 6px;
  }

  :root:not([data-game-phase="intro"]) .topbar-left:has(#menuButton:not(.is-hidden)) .brand {
    display: none;
  }

  :root:not([data-game-phase="intro"]) .topbar .secondary-button,
  :root:not([data-game-phase="intro"]) .topbar .ghost-button,
  :root:not([data-game-phase="intro"]) .theme-button {
    min-height: 34px;
  }

  :root:not([data-game-phase="intro"]) .theme-button {
    width: 34px;
    flex-basis: 34px;
  }

  .game-layout,
  .question-panel,
  .live-duel-panel {
    gap: 6px;
  }

  .alphabet-rail {
    grid-template-columns: repeat(26, minmax(0, 1fr));
    gap: 3px;
    padding: 4px;
  }

  .letter-chip {
    min-height: 26px;
    border-radius: 5px;
    font-size: 0.68rem;
  }

  .question-panel {
    padding: 6px;
  }

  .status-row {
    gap: 8px;
  }

  .timer {
    min-width: 92px;
    gap: 7px;
  }

  .timer-ring {
    width: 28px;
    height: 28px;
  }

  .timer-ring::after {
    inset: 6px;
  }

  .score-strip {
    flex-wrap: nowrap;
    gap: 5px;
  }

  .score-pill {
    min-width: 76px;
    min-height: 28px;
    padding: 3px 7px;
    font-size: 0.8rem;
  }

  .question-stage {
    min-height: 82px;
    padding: 9px 12px;
  }

  .question-meta {
    gap: 5px;
    margin-bottom: 7px;
  }

  .letter-badge {
    width: 34px;
    font-size: 1.08rem;
  }

  .meta-pill {
    min-height: 24px;
    padding-inline: 8px;
    font-size: 0.72rem;
  }

  .question-text {
    max-width: none;
    font-size: 1rem;
    line-height: 1.28;
  }

  .answer-field {
    grid-template-columns: minmax(0, 1fr) minmax(82px, 98px);
    gap: 6px;
    position: sticky;
    bottom: max(6px, env(safe-area-inset-bottom));
    z-index: 3;
  }

  .answer-input,
  .answer-field .primary-button {
    height: 44px;
    min-height: 44px;
  }

  .feedback:not(:empty) {
    min-height: 30px;
    padding: 5px 9px;
  }

  .live-duel-header {
    gap: 7px;
    padding: 7px 9px;
  }

  .live-duel-player-count,
  .live-duel-room,
  .live-room-toggle {
    min-height: 32px;
  }

  .live-duel-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(210px, 0.65fr);
    gap: 7px;
  }

  .versus-card {
    gap: 7px;
    padding: 8px;
  }

  .versus-card__header {
    gap: 7px;
  }

  .versus-card .question-meta {
    margin-bottom: 6px;
  }

  .versus-card .question-text {
    min-height: 44px;
    font-size: 0.94rem;
  }

  .versus-score span {
    min-height: 32px;
    padding: 3px;
  }

  .versus-answer-form {
    grid-template-columns: minmax(0, 1fr) minmax(74px, 86px) minmax(58px, 68px);
    gap: 6px;
    position: sticky;
    bottom: max(6px, env(safe-area-inset-bottom));
    z-index: 3;
  }

  .versus-answer-form .answer-input {
    grid-column: auto;
    height: 42px;
  }

  .versus-answer-form button {
    min-height: 42px;
    padding-inline: 8px;
  }

  :root.is-keyboard-open .topbar,
  :root.is-keyboard-open .alphabet-rail,
  :root.is-keyboard-open .live-duel-header,
  :root.is-keyboard-open .live-opponent-panel {
    display: none;
  }

  :root.is-keyboard-open .question-panel,
  :root.is-keyboard-open .versus-card.is-own-player {
    padding: 5px;
  }

  :root.is-keyboard-open .status-row {
    min-height: 28px;
  }

  :root.is-keyboard-open .question-stage {
    min-height: 64px;
    padding: 7px 10px;
  }

  :root.is-keyboard-open .question-meta {
    margin-bottom: 5px;
  }

  :root.is-keyboard-open .live-duel-grid {
    grid-template-columns: 1fr;
  }

  :root.is-keyboard-open .versus-card.is-own-player .versus-card__header,
  :root.is-keyboard-open .versus-card.is-own-player .versus-score,
  :root.is-keyboard-open .versus-card.is-own-player .versus-progress,
  :root.is-keyboard-open .versus-card.is-own-player .question-meta,
  :root.is-keyboard-open .versus-card.is-own-player .versus-feedback:empty {
    display: none;
  }

  .confirm-modal {
    max-height: calc(100dvh - max(16px, env(safe-area-inset-top)) - max(16px, env(safe-area-inset-bottom)));
  }

  .confirm-modal__body {
    padding: 22px 24px 18px;
  }

  .confirm-modal__body h2 {
    font-size: 1.22rem;
  }

  .confirm-modal .confirm-modal__actions {
    margin-top: 16px;
  }
}