@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&family=Manrope:wght@400;500;600;700&display=swap");

:root {
  --bg: #f4ede1;
  --bg-deep: #e6d7bd;
  --panel: rgba(255, 251, 243, 0.82);
  --panel-strong: rgba(255, 248, 235, 0.94);
  --ink: #2a2118;
  --ink-soft: #695749;
  --line: rgba(74, 55, 36, 0.12);
  --blue: #2b6fff;
  --blue-deep: #173e8f;
  --red: #d84a43;
  --red-deep: #8e2f2c;
  --purple: #8b5cf6;
  --purple-deep: #5f35c8;
  --gold: #c69a4b;
  --shadow: 0 24px 60px rgba(64, 42, 18, 0.16);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.7), transparent 34%),
    radial-gradient(circle at right center, rgba(198, 154, 75, 0.18), transparent 28%),
    linear-gradient(135deg, #f7f1e7 0%, #ebdfcb 48%, #e5d3b4 100%);
}

body.modal-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(84, 59, 28, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(84, 59, 28, 0.03) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 95%);
}

#app {
  min-height: 100vh;
}

.app-shell {
  position: relative;
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 44px;
}

.app-shell-focus {
  width: min(1440px, calc(100vw - 32px));
  min-height: 100vh;
  padding: 24px 0 48px;
}

.stage-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 228px;
  gap: 18px;
  align-items: start;
  max-width: 1180px;
  margin: 0 auto;
}

.board-column {
  display: grid;
  gap: 16px;
  min-width: 0;
  position: relative;
}

.stage-heading {
  padding: 4px 2px 0;
  text-align: center;
}

.stage-title {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(2.3rem, 4.5vw, 4rem);
  line-height: 0.92;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #2b2118;
  text-align: center;
}

.dock-column {
  display: grid;
  gap: 14px;
  position: sticky;
  top: 18px;
  align-content: start;
  max-height: calc(100vh - 36px);
  max-height: calc(100dvh - 36px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 6px;
  padding-bottom: 8px;
  scrollbar-gutter: stable;
}

.dock-launcher {
  width: 100%;
  padding: 18px;
  border: 1px solid rgba(88, 61, 31, 0.08);
  border-radius: 24px;
  display: grid;
  gap: 14px;
  color: inherit;
  text-align: left;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(249, 239, 220, 0.92));
  box-shadow: 0 18px 38px rgba(64, 42, 18, 0.12);
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.dock-launcher:hover {
  transform: translateY(-1px);
  border-color: rgba(198, 154, 75, 0.28);
  box-shadow: 0 24px 42px rgba(64, 42, 18, 0.16);
}

.dock-launcher-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.dock-launcher-copy small {
  color: var(--ink-soft);
  line-height: 1.5;
}

.dock-launcher-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dock-launcher-action {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.12);
  font-size: 1.15rem;
  line-height: 1;
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: stretch;
  margin-bottom: 22px;
}

.hero-focus {
  margin-bottom: 18px;
}

.hero-card {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 20px 24px;
  text-align: center;
}

.hero-card .eyebrow {
  margin-bottom: 12px;
}

.hero-card .hero-copy {
  max-width: 60ch;
  margin: 12px auto 0;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 8px 10px;
  border: 1px solid rgba(88, 61, 31, 0.08);
  border-radius: 999px;
  background: rgba(255, 252, 247, 0.78);
  box-shadow: 0 10px 24px rgba(64, 42, 18, 0.08);
}

.language-switcher-inline {
  display: flex;
  width: 100%;
  margin-bottom: 0;
  padding: 6px;
  gap: 6px;
}

.language-switcher-inline .language-button {
  flex: 1;
}

.language-button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 700;
  color: var(--ink-soft);
  background: transparent;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.language-button:hover {
  transform: translateY(-1px);
}

.language-button.is-active {
  color: white;
  background: linear-gradient(135deg, #2b2a28 0%, #5a4834 100%);
}

#ui-style-select .language-button {
  min-width: 0;
}

html[data-ui-style="academic"] #ui-style-select .language-button.is-active {
  background: linear-gradient(135deg, #173e8f 0%, #2a6f7f 100%);
}

.hero h1,
.panel-head h2,
.result-card h2 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  line-height: 0.94;
}

.hero-copy,
.help-copy,
.status-copy,
.result-summary {
  color: var(--ink-soft);
  line-height: 1.6;
}

.hero-status,
.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(88, 61, 31, 0.08);
  border-radius: var(--radius-xl);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-status {
  padding: 20px 22px;
  background:
    linear-gradient(160deg, rgba(27, 62, 143, 0.12), transparent 52%),
    linear-gradient(340deg, rgba(216, 74, 67, 0.14), transparent 58%),
    var(--panel-strong);
}

.status-label,
.eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #8a735d;
}

.status-copy {
  margin: 0;
  font-size: 1rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(280px, 320px) minmax(0, 1fr);
  grid-template-areas: "sidebar main";
  gap: 20px;
  align-items: start;
}

.main-stage {
  grid-area: main;
  display: grid;
  grid-template-columns: minmax(290px, 360px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.status-column {
  display: grid;
  gap: 18px;
  align-content: start;
}

.sidebar {
  grid-area: sidebar;
  display: grid;
  gap: 14px;
  align-content: start;
  position: sticky;
  top: 18px;
}

.panel {
  padding: 20px;
}

.panel-sidebar-card {
  padding: 0;
}

.panel-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 18px;
}

.panel-head-inline {
  flex-direction: row;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
}

.panel-head-compact {
  margin-bottom: 0;
}

.panel-head h2 {
  font-size: clamp(1.75rem, 2vw, 2.3rem);
}

.panel-head.panel-head-compact h2 {
  font-size: clamp(1.35rem, 1.8vw, 1.85rem);
}

.panel-head-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  color: white;
  background: linear-gradient(135deg, #6e5a45 0%, #3f3124 100%);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.panel-status-copy {
  margin-bottom: 18px;
}

.duel-strip {
  display: grid;
  gap: 12px;
}

.duel-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.duel-copy {
  flex: 1 1 auto;
  min-width: 0;
}

.duel-label {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.duel-timer-copy {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.88rem;
  white-space: nowrap;
}

.duel-turn-banner {
  margin-bottom: 0;
}

.duel-actions {
  justify-content: flex-end;
}

.duel-actions .action-button {
  min-width: 140px;
}

.chat-emoji-toolbar {
  flex: 1 1 100%;
  display: grid;
  grid-template-columns: repeat(10, minmax(34px, 1fr));
  gap: 8px;
}

.chat-emoji-button {
  appearance: none;
  min-width: 0;
  aspect-ratio: 1;
  border: 0;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: rgba(255, 251, 243, 0.88);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.14), 0 8px 18px rgba(64, 42, 18, 0.08);
  font: inherit;
  font-size: 1.18rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.chat-emoji-button:hover:not(:disabled) {
  transform: translateY(-1px) scale(1.04);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.2), 0 12px 22px rgba(64, 42, 18, 0.12);
}

.chat-emoji-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.chat-emoji-layer {
  position: absolute;
  inset: 0;
  z-index: 12;
  pointer-events: none;
  overflow: hidden;
  contain: layout paint;
}

.chat-emoji-bubble {
  --emoji-duration: 1200ms;
  --emoji-x: 20%;
  --emoji-y: 20%;
  --emoji-mx: 12px;
  --emoji-dx: 24px;
  --emoji-dy: -48px;
  position: absolute;
  left: var(--emoji-x);
  top: var(--emoji-y);
  width: 58px;
  height: 58px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(255, 252, 247, 0.94);
  box-shadow: 0 18px 42px rgba(64, 42, 18, 0.18), inset 0 0 0 1px rgba(90, 72, 52, 0.1);
  font-size: 2rem;
  line-height: 1;
  transform-origin: center bottom;
  will-change: transform, opacity;
}

.chat-emoji-bubble.is-bounce {
  animation: chatEmojiBounce var(--emoji-duration) ease both;
}

.chat-emoji-bubble.is-fade {
  animation: chatEmojiFade var(--emoji-duration) ease both;
}

.chat-emoji-bubble.is-shake {
  animation: chatEmojiShake var(--emoji-duration) ease both;
}

.chat-emoji-bubble.is-color-blue {
  border: 2px solid rgba(43, 111, 255, 0.42);
}

.chat-emoji-bubble.is-color-red {
  border: 2px solid rgba(216, 74, 67, 0.42);
}

.chat-emoji-bubble.is-color-purple {
  border: 2px solid rgba(139, 92, 246, 0.42);
}

@keyframes chatEmojiBounce {
  0% {
    opacity: 0;
    transform: translate3d(0, 18px, 0) scale(0.72);
  }
  22% {
    opacity: 1;
    transform: translate3d(var(--emoji-mx), -8px, 0) scale(1.08);
  }
  48% {
    transform: translate3d(var(--emoji-mx), -2px, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--emoji-dx), var(--emoji-dy), 0) scale(0.94);
  }
}

@keyframes chatEmojiFade {
  0% {
    opacity: 0;
    transform: translate3d(0, 12px, 0) scale(0.9);
  }
  20%,
  72% {
    opacity: 1;
    transform: translate3d(var(--emoji-mx), -18px, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--emoji-dx), var(--emoji-dy), 0) scale(0.96);
  }
}

@keyframes chatEmojiShake {
  0% {
    opacity: 0;
    transform: translate3d(0, 14px, 0) scale(0.86) rotate(0deg);
  }
  18% {
    opacity: 1;
    transform: translate3d(var(--emoji-mx), -3px, 0) scale(1.04) rotate(-8deg);
  }
  34% {
    transform: translate3d(var(--emoji-mx), -12px, 0) scale(1.02) rotate(8deg);
  }
  50% {
    transform: translate3d(var(--emoji-mx), -20px, 0) scale(1) rotate(-5deg);
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--emoji-dx), var(--emoji-dy), 0) scale(0.94) rotate(0deg);
  }
}

.workspace-focus {
  display: block;
}

.main-stage-focus {
  display: grid;
  gap: 18px;
  max-width: 980px;
  margin: 0 auto;
}

.focus-brief {
  padding: 16px 18px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.82), rgba(247, 239, 224, 0.94)),
    var(--panel);
}

.panel-board-focus {
  background:
    radial-gradient(circle at top, rgba(198, 154, 75, 0.18), transparent 34%),
    rgba(255, 251, 243, 0.9);
}

.board-shell {
  position: relative;
  padding-bottom: 24px;
  overflow: hidden;
}

.canvas-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  width: min(100%, 920px);
  min-height: 0;
  border-radius: calc(var(--radius-xl) - 8px);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.7), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.56), rgba(232, 217, 190, 0.64));
  border: 1px solid rgba(104, 81, 54, 0.12);
}

.panel-board-focus .canvas-frame {
  width: min(100%, 920px);
  max-width: 100%;
  max-height: none;
  margin: 0 auto;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.82), transparent 44%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(232, 217, 190, 0.72));
}

.panel-board-focus .board-note {
  max-width: 64ch;
}

.game-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  touch-action: manipulation;
}

.game-canvas-ai-thinking {
  pointer-events: none;
  cursor: not-allowed !important;
}

.turn-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  color: white;
}

.turn-banner strong {
  font-size: 1rem;
}

.turn-banner small {
  margin-left: auto;
  opacity: 0.86;
}

.turn-banner.is-blue {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
}

.turn-banner.is-red {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-deep) 100%);
}

.turn-banner.is-purple {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-deep) 100%);
}

.turn-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.12);
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 14px;
}

.score-card {
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(88, 61, 31, 0.08);
  background: rgba(255, 252, 248, 0.9);
}

.score-card p,
.score-card span {
  margin: 0;
}

.score-card strong {
  display: block;
  margin: 10px 0 4px;
  font-size: 2rem;
  font-weight: 700;
}

.player-accent-blue {
  color: var(--blue);
}

.player-accent-red {
  color: var(--red);
}

.player-accent-purple {
  color: var(--purple);
}

.score-card-blue {
  box-shadow: inset 0 0 0 1px rgba(43, 111, 255, 0.12);
}

.score-card-blue p,
.score-card-blue strong {
  color: var(--blue);
}

.score-card-red {
  box-shadow: inset 0 0 0 1px rgba(216, 74, 67, 0.12);
}

.score-card-red p,
.score-card-red strong {
  color: var(--red);
}

.score-card-purple {
  box-shadow: inset 0 0 0 1px rgba(139, 92, 246, 0.16);
}

.score-card-purple p,
.score-card-purple strong {
  color: var(--purple);
}

.meta-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
}

.meta-list div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.meta-list dt,
.meta-list dd {
  margin: 0;
}

.meta-list dt {
  color: var(--ink-soft);
}

.meta-list dd {
  font-weight: 700;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.action-button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.action-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.action-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.action-button-primary {
  color: white;
  background: linear-gradient(135deg, #2b2a28 0%, #5a4834 100%);
  box-shadow: 0 14px 24px rgba(52, 40, 26, 0.22);
}

.action-button-secondary {
  color: var(--ink);
  background: rgba(255, 249, 239, 0.9);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.16);
}

.help-copy {
  margin: 16px 0 0;
}

.modal-panel {
  padding: 22px;
}

.dock-folder {
  overflow: hidden;
  border: 1px solid rgba(88, 61, 31, 0.08);
  border-radius: 24px;
  background: rgba(255, 250, 241, 0.88);
  box-shadow: 0 18px 38px rgba(64, 42, 18, 0.12);
  backdrop-filter: blur(14px);
}

.dock-folder > summary {
  list-style: none;
}

.dock-folder > summary::-webkit-details-marker {
  display: none;
}

.dock-folder-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  padding: 16px 18px;
}

.dock-folder-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dock-folder-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.dock-folder-title {
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.dock-folder-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 11px;
  border-radius: 999px;
  color: white;
  background: linear-gradient(135deg, #2b2a28 0%, #5a4834 100%);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.dock-folder-summary::after {
  content: ">";
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.12);
  transition: transform 180ms ease, color 180ms ease;
}

.dock-folder[open] .dock-folder-summary::after {
  transform: rotate(90deg);
  color: var(--ink);
}

.dock-folder-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(232, 217, 190, 0.92));
  box-shadow:
    inset 0 0 0 1px rgba(90, 72, 52, 0.12),
    0 8px 18px rgba(64, 42, 18, 0.1);
}

.dock-folder-icon svg {
  width: 20px;
  height: 20px;
  fill: #4a3928;
}

.dock-folder-body {
  padding: 0 16px 16px;
}

.dock-stack {
  display: grid;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.dock-folder-guide .dock-folder-icon {
  background:
    linear-gradient(145deg, rgba(255, 253, 244, 0.96), rgba(245, 224, 183, 0.92));
}

.guide-section-card {
  width: 100%;
  padding: 18px;
  border: 1px solid rgba(88, 61, 31, 0.1);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(252, 244, 230, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.guide-section-button {
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.guide-section-button:hover {
  transform: translateY(-1px);
  border-color: rgba(198, 154, 75, 0.32);
  box-shadow: 0 14px 30px rgba(64, 42, 18, 0.08);
}

.guide-section-button,
.guide-entry-button {
  font: inherit;
}

.guide-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.guide-section-head h3 {
  margin: 0;
  font-size: 1.16rem;
}

.guide-section-copy {
  margin: 12px 0 0;
}

.guide-entry-arrow {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.12);
}

.guide-rule-folder {
  margin-top: 14px;
  border-top: 1px solid rgba(88, 61, 31, 0.08);
  padding-top: 12px;
}

.guide-rule-folder > summary {
  list-style: none;
}

.guide-rule-folder > summary::-webkit-details-marker {
  display: none;
}

.guide-rule-summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: var(--ink);
  font-weight: 700;
}

.guide-rule-summary::before {
  content: ">";
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.12);
  transition: transform 180ms ease, color 180ms ease;
}

.guide-rule-folder[open] .guide-rule-summary::before {
  transform: rotate(90deg);
  color: var(--ink);
}

.guide-rule-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.guide-entry-button {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(88, 61, 31, 0.1);
  border-radius: 16px;
  display: grid;
  gap: 4px;
  color: inherit;
  text-align: left;
  background: rgba(255, 252, 247, 0.95);
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.guide-entry-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.guide-entry-line strong {
  font-size: 1rem;
}

.guide-entry-button:hover {
  transform: translateY(-1px);
  border-color: rgba(198, 154, 75, 0.34);
  box-shadow: 0 12px 26px rgba(64, 42, 18, 0.08);
}

.guide-entry-subtitle {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.guide-rule-list-always {
  margin-top: 14px;
}

.edge-trigger {
  position: fixed;
  top: 50%;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 72px;
  padding: 12px 14px;
  border: 1px solid rgba(88, 61, 31, 0.08);
  border-radius: 999px;
  background: rgba(255, 251, 243, 0.86);
  box-shadow: 0 18px 36px rgba(64, 42, 18, 0.14);
  backdrop-filter: blur(18px);
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.edge-trigger:hover {
  transform: translateY(-50%) scale(1.02);
  box-shadow: 0 24px 42px rgba(64, 42, 18, 0.18);
}

.edge-trigger.is-active {
  background: rgba(255, 248, 235, 0.98);
}

.edge-trigger-board {
  left: 18px;
  transform: translateY(-50%);
}

.edge-trigger-network {
  right: 18px;
  transform: translateY(-50%);
}

.edge-trigger-copy {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 2px;
  text-align: left;
}

.edge-trigger-copy strong {
  font-size: 0.9rem;
}

.edge-trigger-copy small {
  color: var(--ink-soft);
  font-size: 0.74rem;
  line-height: 1.4;
}

.edge-trigger-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  color: white;
  background: linear-gradient(135deg, #2b2a28 0%, #5a4834 100%);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.edge-trigger-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(232, 217, 190, 0.92));
  box-shadow:
    inset 0 0 0 1px rgba(90, 72, 52, 0.12),
    0 10px 20px rgba(64, 42, 18, 0.12);
}

.edge-trigger-icon svg {
  width: 22px;
  height: 22px;
  fill: #4a3928;
}

.edge-trigger-icon-triangle {
  position: relative;
}

.triangle-glyph {
  width: 22px;
  height: 22px;
  background: linear-gradient(180deg, #5a4834 0%, #2b2a28 100%);
  clip-path: polygon(50% 10%, 8% 88%, 92% 88%);
  filter: drop-shadow(0 3px 6px rgba(43, 42, 40, 0.18));
}

.utility-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(34, 25, 17, 0.28);
  backdrop-filter: blur(10px);
}

.utility-overlay-board {
  place-items: center;
}

.utility-overlay-network {
  place-items: center;
}

.utility-modal {
  width: min(1100px, calc(100vw - 48px));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 16px;
  max-height: calc(100vh - 48px);
  padding: 24px;
  border: 1px solid rgba(88, 61, 31, 0.08);
  border-radius: 34px;
  background:
    radial-gradient(circle at top, rgba(198, 154, 75, 0.16), transparent 38%),
    rgba(255, 250, 241, 0.94);
  box-shadow: 0 36px 100px rgba(29, 20, 12, 0.28);
  overflow: hidden;
}

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

.utility-head-copy {
  flex: 1;
  margin-bottom: 0;
}

.utility-description {
  margin: 8px 0 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.utility-close {
  appearance: none;
  border: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.12);
  color: var(--ink);
  font: inherit;
  font-size: 1.5rem;
  cursor: pointer;
}

.utility-body {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
  padding-bottom: 22px;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.utility-grid {
  display: grid;
  gap: 18px;
  align-items: start;
}

.utility-grid-board {
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
}

.utility-stack {
  display: grid;
  gap: 18px;
}

.sidebar-details {
  width: 100%;
}

.sidebar-details > summary {
  list-style: none;
}

.sidebar-details > summary::-webkit-details-marker {
  display: none;
}

.sidebar-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px;
  cursor: pointer;
}

.sidebar-summary::after {
  content: ">";
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  color: var(--ink-soft);
  background: rgba(255, 251, 243, 0.9);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.12);
  font-size: 1.2rem;
  line-height: 1;
  transition: transform 180ms ease, color 180ms ease;
}

.sidebar-details[open] .sidebar-summary {
  padding-bottom: 16px;
}

.sidebar-details[open] .sidebar-summary::after {
  transform: rotate(90deg);
  color: var(--ink);
}

.sidebar-body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--line);
}

.sidebar-summary-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  max-width: 120px;
  padding: 0 12px;
  border-radius: 999px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: white;
  background: linear-gradient(135deg, #6e5a45 0%, #3f3124 100%);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.result-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(41, 30, 19, 0.36);
  backdrop-filter: blur(10px);
}

.result-card {
  width: min(460px, calc(100vw - 32px));
  padding: 28px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top, rgba(198, 154, 75, 0.2), transparent 40%),
    rgba(255, 251, 243, 0.98);
  box-shadow: 0 30px 80px rgba(29, 20, 12, 0.28);
  text-align: center;
}

.result-card h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.result-title-rich {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.08em;
}

.result-summary-scoreline {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem;
}

.result-score-value,
.result-score-separator {
  color: var(--ink-soft);
}

.guide-overlay {
  position: fixed;
  inset: 0;
  z-index: 39;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(41, 30, 19, 0.3);
  backdrop-filter: blur(10px);
}

.guide-reader {
  width: min(1120px, calc(100vw - 32px));
  max-height: min(86vh, 920px);
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(198, 154, 75, 0.22), transparent 32%),
    rgba(255, 251, 243, 0.985);
  box-shadow: 0 34px 90px rgba(29, 20, 12, 0.26);
}

.guide-reader-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 32px 20px;
  border-bottom: 1px solid rgba(88, 61, 31, 0.08);
}

.guide-reader-top h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
}

.guide-reader-subtitle {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.guide-close-button {
  white-space: nowrap;
}

.guide-reader-layout {
  display: block;
  min-height: 0;
  overflow: auto;
  max-height: calc(min(86vh, 920px) - 110px);
  padding: 24px 32px 56px;
  scroll-padding-bottom: 56px;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.guide-reader-layout-illustrated {
  display: grid;
  grid-template-columns: minmax(252px, 312px) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.guide-reader-illustration {
  position: sticky;
  top: 0;
}

.guide-illustration-card {
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(88, 61, 31, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.86);
}

.guide-illustration-svg {
  width: 100%;
  height: auto;
  display: block;
}

.guide-illustration-caption {
  margin: 12px 4px 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.5;
}

.guide-reader-body {
  display: grid;
  gap: 18px;
  padding-bottom: 18px;
}

.guide-sub-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.guide-sub-tab {
  min-width: 0;
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid rgba(88, 61, 31, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.guide-sub-tab:hover,
.guide-sub-tab.is-active {
  border-color: rgba(149, 104, 45, 0.32);
  box-shadow: 0 12px 28px rgba(80, 54, 25, 0.1);
  transform: translateY(-1px);
}

.guide-sub-tab strong {
  font-size: 0.98rem;
}

.guide-sub-tab span {
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.35;
}

.guide-section-mini-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.guide-section-mini-tabs span {
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(198, 154, 75, 0.12);
  color: #6d5434;
  font-size: 0.78rem;
  font-weight: 800;
}

.guide-block-figure {
  margin: 0;
  display: grid;
  gap: 10px;
  justify-items: center;
}

.guide-block-image {
  width: min(100%, 720px);
  display: block;
  border: 1px solid rgba(88, 61, 31, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 28px rgba(64, 42, 18, 0.08);
}

.guide-block-figcaption {
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.5;
  text-align: center;
  max-width: 56ch;
}

.guide-block-image-row {
  width: min(100%, 920px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.guide-block-image-row .guide-block-figure {
  width: 100%;
}

.guide-block-image-row .guide-block-image {
  width: 100%;
  max-width: none;
}

.guide-inline-code {
  padding: 0.08em 0.42em;
  border-radius: 0.4em;
  background: rgba(109, 84, 52, 0.08);
  color: #5e472d;
  font-size: 0.94em;
}

.guide-inline-math {
  display: inline-block;
  padding: 0 0.14em;
  color: #46311f;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.06em;
  line-height: 1.2;
}

.guide-inline-math sub,
.guide-inline-math sup {
  font-size: 0.72em;
}

.guide-math-cal {
  font-style: italic;
  letter-spacing: 0.04em;
}

.guide-block-heading-xl,
.guide-block-heading,
.guide-block-callout,
.guide-block-meta-value,
.guide-block-paragraph,
.guide-block-bullet p,
.guide-block-ordered p {
  margin: 0;
}

.guide-block-heading-xl {
  font-size: 1.34rem;
  line-height: 1.45;
}

.guide-block-heading {
  font-size: 1.08rem;
  color: var(--ink);
  margin-top: 8px;
}

.guide-block-subheading {
  margin: 4px 0 0;
  color: #5d4327;
  font-size: 0.98rem;
  line-height: 1.45;
}

.guide-block-callout {
  color: #6d5434;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  font-weight: 700;
}

.guide-block-paragraph,
.guide-block-bullet p,
.guide-block-ordered p,
.guide-block-meta-value {
  color: var(--ink);
  line-height: 1.78;
  font-size: 1rem;
}

.guide-block-bullet {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.guide-block-ordered {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.guide-ordered-index {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  color: #fffaf0;
  background: linear-gradient(135deg, #c69a4b, #8c6b3c);
  font-size: 0.84rem;
  font-weight: 800;
}

.guide-block-meta {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid rgba(88, 61, 31, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

.guide-block-quote {
  margin: 0;
  padding: 16px 18px;
  border-left: 4px solid #a87834;
  border-radius: 14px;
  background: rgba(198, 154, 75, 0.12);
  color: var(--ink);
}

.guide-block-quote p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.78;
  font-weight: 700;
}

.guide-block-math {
  overflow-x: auto;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  color: #352517;
  font-size: 1.02rem;
  scrollbar-gutter: stable;
}

.guide-code-block {
  margin: 0;
  overflow-x: auto;
  padding: 16px 18px;
  border: 1px solid rgba(88, 61, 31, 0.1);
  border-radius: 14px;
  background: #251f18;
  color: #f5ead8;
  font-size: 0.9rem;
  line-height: 1.62;
  scrollbar-gutter: stable;
}

.guide-code-block code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  white-space: pre;
}

.guide-code-keyword {
  color: #f0bd6e;
  font-weight: 700;
}

.guide-code-type {
  color: #8fc7ff;
}

.guide-code-string {
  color: #b8df9a;
}

.guide-code-comment {
  color: #9b8d7b;
  font-style: italic;
}

.guide-table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(88, 61, 31, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  scrollbar-gutter: stable;
}

.guide-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.92rem;
  line-height: 1.55;
}

.guide-table th,
.guide-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(88, 61, 31, 0.08);
  text-align: left;
  vertical-align: top;
}

.guide-table th {
  color: #5d4327;
  background: rgba(198, 154, 75, 0.12);
  font-weight: 800;
}

.guide-table tr:last-child td {
  border-bottom: 0;
}

.guide-block-divider {
  width: 100%;
  height: 1px;
  margin: 2px 0;
  border: 0;
  background: rgba(88, 61, 31, 0.1);
}

.guide-block-meta-label {
  color: #6d5434;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.guide-bullet-dot {
  width: 8px;
  height: 8px;
  margin-top: 0.7em;
  border-radius: 50%;
  background: linear-gradient(135deg, #c69a4b, #8c6b3c);
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 180ms ease;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

.fade-up-enter-active,
.fade-up-leave-active,
.drawer-enter-active,
.drawer-leave-active {
  transition: opacity 180ms ease, transform 220ms ease;
}

.fade-up-enter-from,
.fade-up-leave-to {
  opacity: 0;
  transform: translateY(14px) scale(0.98);
}

.drawer-enter-from,
.drawer-leave-to {
  opacity: 0;
  transform: translateX(24px);
}

@media (max-width: 1180px) {
  .stage-layout {
    grid-template-columns: 1fr 214px;
  }

  .main-stage {
    grid-template-columns: 1fr;
  }

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

  .guide-reader-layout-illustrated {
    grid-template-columns: 1fr;
  }

  .guide-reader-illustration {
    position: static;
  }

  .guide-reader-top,
  .guide-reader-layout {
    padding-left: 22px;
    padding-right: 22px;
  }

  .guide-sub-tabs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .hero,
  .workspace {
    grid-template-columns: 1fr;
  }

  .app-shell-focus {
    width: min(100vw - 22px, 1440px);
    padding-top: 18px;
  }

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

  .dock-column {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
    padding-bottom: 0;
  }

  .workspace {
    grid-template-areas:
      "main"
      "sidebar";
  }

  .sidebar {
    position: static;
  }

  .status-column {
    grid-template-columns: 1fr;
  }

  .canvas-frame {
    width: min(100%, 760px);
  }

  .panel-board-focus .canvas-frame {
    width: min(100%, 760px);
  }

  .duel-top-row {
    align-items: center;
  }

  .duel-actions {
    justify-content: flex-end;
  }

  .chat-emoji-toolbar {
    grid-template-columns: repeat(10, minmax(30px, 1fr));
  }

  .edge-trigger {
    top: 18px;
    transform: none;
    min-width: 60px;
    padding: 10px;
  }

  .edge-trigger:hover {
    transform: translateY(0) scale(1.02);
  }

  .edge-trigger-board {
    left: 12px;
  }

  .edge-trigger-network {
    right: 12px;
  }

  .edge-trigger-copy,
  .edge-trigger-badge {
    display: none;
  }

  .utility-overlay-network {
    place-items: center;
  }

  .utility-modal {
    width: min(100vw - 24px, 1100px);
  }

  .utility-grid-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100vw - 18px, 1280px);
    padding: 18px 0 28px;
  }

  .app-shell-focus {
    width: min(100vw - 18px, 1440px);
    padding: 18px 0 28px;
  }

  .panel:not(.panel-sidebar-card),
  .hero-status {
    padding: 16px;
    border-radius: 22px;
  }

  .canvas-frame {
    width: min(100%, calc(100vw - 28px));
  }

  .panel-board-focus .canvas-frame {
    width: min(100%, calc(100vw - 28px));
    max-width: 100%;
  }

  .board-shell {
    padding-left: 10px;
    padding-right: 10px;
    padding-bottom: 14px;
  }

  .dock-folder-summary,
  .dock-folder-body {
    padding-left: 14px;
    padding-right: 14px;
  }

  .dock-stack {
    padding-top: 14px;
  }

  .actions {
    flex-direction: column;
  }

  .action-button {
    width: 100%;
  }

  .duel-top-row {
    gap: 8px;
  }

  .duel-label {
    margin-bottom: 6px;
    font-size: 0.76rem;
  }

  .duel-turn-banner {
    padding: 9px 10px;
    min-width: 0;
  }

  .duel-turn-banner strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .duel-actions {
    flex: 0 0 auto;
    flex-direction: row;
    gap: 8px;
  }

  .duel-actions .action-button {
    width: auto;
    min-width: 88px;
    padding: 10px 11px;
    font-size: 0.8rem;
    white-space: nowrap;
  }

  .chat-emoji-toolbar {
    grid-template-columns: repeat(5, minmax(36px, 1fr));
  }

  .chat-emoji-bubble {
    width: 50px;
    height: 50px;
    font-size: 1.7rem;
  }

  .language-switcher {
    width: 100%;
    justify-content: space-between;
    border-radius: 22px;
  }

  .sidebar-summary,
  .sidebar-body {
    padding-left: 16px;
    padding-right: 16px;
  }

  .settings-grid,
  .actions-stack {
    grid-template-columns: 1fr;
  }

  .room-player-card,
  .panel-subhead,
  .panel-head-inline,
  .utility-header {
    align-items: start;
    flex-direction: column;
  }

  .room-player-card {
    align-items: flex-end;
    text-align: right;
  }

  .hero-card,
  .utility-modal {
    padding: 18px;
    border-radius: 24px;
  }

  .focus-brief,
  .modal-panel {
    padding: 18px;
  }

  .utility-overlay {
    padding: 12px;
  }

  .guide-block-image-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 980px) {
  body::before {
    display: none;
  }

  .panel,
  .dock-folder,
  .result-overlay {
    backdrop-filter: none;
  }

  .panel,
  .dock-folder {
    box-shadow: 0 12px 24px rgba(64, 42, 18, 0.1);
  }

  .triangle-glyph {
    filter: none;
  }
}

@media (pointer: coarse) {
  .panel,
  .dock-folder,
  .result-overlay,
  .edge-trigger {
    backdrop-filter: none;
  }

  .panel,
  .dock-folder {
    box-shadow: 0 10px 20px rgba(64, 42, 18, 0.08);
  }

  body::before {
    display: none;
  }
}

/* 大棋盘（gridSize >= 15）或移动端时由 JS 给 body 加 large-board class，关闭高代价合成特效 */
body.large-board::before {
  display: none;
}

body.large-board .edge-trigger {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

body.large-board .panel,
body.large-board .dock-folder,
body.large-board .result-overlay {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.panel-network {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 247, 233, 0.92)),
    var(--panel);
}

.panel-auth {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(244, 237, 225, 0.94)),
    var(--panel);
}

.panel-setup {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(244, 237, 225, 0.94)),
    var(--panel);
}

.panel-controls {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(247, 239, 224, 0.96)),
    var(--panel);
}

.field-label {
  display: block;
  margin: 0 0 8px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7f6650;
}

.input-field {
  width: 100%;
  margin: 0 0 14px;
  padding: 12px 14px;
  border: 1px solid rgba(90, 72, 52, 0.16);
  border-radius: 16px;
  background: rgba(255, 252, 247, 0.9);
  color: var(--ink);
  font: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.input-field:focus {
  outline: 2px solid rgba(43, 111, 255, 0.18);
  border-color: rgba(43, 111, 255, 0.35);
}

.input-field-compact {
  margin-bottom: 0;
}

.settings-grid-item-wide {
  grid-column: 1 / -1;
}

.board-choice-grid {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 6px;
  border: 1px solid rgba(120, 101, 78, 0.22);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.96), rgba(246, 241, 232, 0.94)),
    #fffaf0;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.58),
    0 10px 24px rgba(90, 72, 52, 0.08);
}

.board-choice-grid-size {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.board-choice-grid-player {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.board-choice-grid-3col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.board-choice-option {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  min-width: 0;
  padding: 0 12px;
  border: 1px solid rgba(120, 101, 78, 0.18);
  border-radius: 16px;
  color: #4c3d2d;
  background:
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.8), transparent 58%),
    #fffaf0;
  box-shadow:
    inset 0 -1px 0 rgba(120, 101, 78, 0.08),
    0 6px 14px rgba(90, 72, 52, 0.06);
  font: inherit;
  font-weight: 800;
  letter-spacing: 0;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease,
    background 140ms ease;
}

.board-choice-option:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(90, 72, 52, 0.34);
  box-shadow:
    inset 0 -1px 0 rgba(120, 101, 78, 0.12),
    0 10px 20px rgba(90, 72, 52, 0.1);
}

.board-choice-option:focus-visible {
  outline: 2px solid rgba(43, 111, 255, 0.3);
  outline-offset: 2px;
}

.board-choice-option.is-active {
  color: #2f271d;
  border-color: rgba(90, 72, 52, 0.48);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.54), rgba(240, 213, 140, 0.28)),
    #fff4d5;
  box-shadow:
    inset 0 0 0 2px rgba(215, 199, 173, 0.95),
    0 10px 22px rgba(90, 72, 52, 0.14);
}

.board-choice-option:disabled {
  cursor: not-allowed;
  opacity: 0.56;
}

.board-choice-size {
  min-height: 38px;
  aspect-ratio: auto;
  padding: 0;
  font-size: 0.95rem;
}

.board-choice-player {
  justify-content: flex-start;
  padding: 0 14px;
}

.board-choice-stone {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: #d7c7ad;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 0 0 3px rgba(215, 199, 173, 0.28);
}

.board-choice-player.is-blue .board-choice-stone {
  background: #2b6fff;
}

.board-choice-player.is-red .board-choice-stone {
  background: #e44b4b;
}

.board-choice-player.is-purple .board-choice-stone {
  background: #8b5cf6;
}

.toggle-field {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(90, 72, 52, 0.16);
  border-radius: 16px;
  background: rgba(255, 252, 247, 0.9);
  font-weight: 700;
}

.toggle-field input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.settings-cluster {
  margin: 2px 0 16px;
  padding: 16px;
  border: 1px solid rgba(90, 72, 52, 0.12);
  border-radius: 20px;
  background:
    linear-gradient(160deg, rgba(43, 111, 255, 0.06), transparent 52%),
    linear-gradient(340deg, rgba(139, 92, 246, 0.08), transparent 60%),
    rgba(255, 251, 243, 0.88);
}

.settings-cluster-standalone {
  margin-bottom: 0;
}

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

.settings-cluster-head .eyebrow {
  margin-bottom: 0;
}

.settings-lock {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  color: white;
  background: linear-gradient(135deg, #6e5a45 0%, #3f3124 100%);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.actions-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.control-topline {
  margin-bottom: 12px;
}

.skip-alert {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: 16px;
  color: #6a3d0e;
  background:
    linear-gradient(135deg, rgba(198, 154, 75, 0.18), rgba(255, 255, 255, 0.82)),
    rgba(255, 250, 240, 0.9);
  border: 1px solid rgba(198, 154, 75, 0.24);
  font-weight: 700;
}

.action-button-ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.5);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.12);
}

.callout-box {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(43, 111, 255, 0.08), rgba(216, 74, 67, 0.08)),
    rgba(255, 252, 247, 0.92);
  border: 1px solid rgba(90, 72, 52, 0.12);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
  padding: 6px;
  border-radius: 18px;
  background: rgba(255, 251, 243, 0.92);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.1);
}

.auth-tab {
  justify-content: center;
}

.auth-welcome {
  margin-bottom: 16px;
  padding: 18px;
  border-radius: 20px;
  background:
    linear-gradient(140deg, rgba(43, 111, 255, 0.08), rgba(198, 154, 75, 0.14)),
    rgba(255, 252, 247, 0.94);
  border: 1px solid rgba(90, 72, 52, 0.12);
}

.auth-welcome-label {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8a735d;
}

.auth-welcome strong {
  display: block;
  font-size: 1.75rem;
  font-family: "Cormorant Garamond", Georgia, serif;
}

.auth-help {
  margin-top: 10px;
}

.callout-title {
  margin: 0 0 8px;
  font-weight: 700;
}

.callout-copy {
  margin-top: 0;
}

.network-meta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.room-lobby {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.panel-subhead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.panel-subhead .eyebrow {
  margin-bottom: 4px;
}

.panel-subhead h3 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.45rem;
  letter-spacing: 0.02em;
}

.room-action-row {
  margin-bottom: 14px;
}

.room-player-list {
  display: grid;
  gap: 10px;
}

.room-player-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(90, 72, 52, 0.12);
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.76), rgba(247, 239, 224, 0.94)),
    rgba(255, 251, 243, 0.92);
}

.room-player-card strong {
  display: inline-block;
  margin-right: 8px;
}

.room-player-meta {
  display: inline-block;
  margin-right: 6px;
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 700;
}

.host-controls {
  margin-top: 16px;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(90, 72, 52, 0.12);
  background:
    linear-gradient(155deg, rgba(43, 111, 255, 0.08), rgba(198, 154, 75, 0.12)),
    rgba(255, 250, 240, 0.9);
}

.status-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 251, 243, 0.95);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.14);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-pill.status-pill-live {
  color: white;
  background: linear-gradient(135deg, #2b2a28 0%, #5a4834 100%);
  box-shadow: 0 12px 24px rgba(52, 40, 26, 0.16);
}

.status-pill-success {
  color: white;
  background: linear-gradient(135deg, #2d6a4f 0%, #1f513b 100%);
  box-shadow: 0 10px 20px rgba(45, 106, 79, 0.18);
}

.status-pill-warn {
  color: #6a3d0e;
  background: linear-gradient(135deg, #f0d58c 0%, #e6be5b 100%);
  box-shadow: 0 10px 20px rgba(198, 154, 75, 0.18);
}

.status-pill-muted {
  color: var(--ink-soft);
  background: rgba(222, 213, 196, 0.82);
  box-shadow: inset 0 0 0 1px rgba(90, 72, 52, 0.08);
}

.room-copy {
  margin-bottom: 0;
}

.error-copy {
  margin: 14px 0 0;
  color: #a03333;
  font-weight: 700;
}

.success-copy {
  margin: 14px 0 0;
  color: #2d6a4f;
  font-weight: 700;
}

.board-note {
  margin: 16px 2px 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.result-card .actions,
.result-card .action-button + .action-button {
  margin-top: 12px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding: 14px 20px 18px;
  font-size: 0.72rem;
  color: var(--ink-soft);
  opacity: 0.7;
}

.footer-beian-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: opacity 0.15s;
}

.footer-beian-link:hover {
  opacity: 0.9;
  text-decoration: underline;
}

.footer-gongan-icon {
  width: 14px;
  height: 14px;
  vertical-align: middle;
  flex-shrink: 0;
}