:root {
  color-scheme: dark;
  --page-bg:
    radial-gradient(circle at top left, rgba(255, 205, 112, 0.08), transparent 26%),
    radial-gradient(circle at bottom right, rgba(95, 80, 255, 0.1), transparent 24%),
    linear-gradient(180deg, #171411 0%, #0c0a08 100%);
  --surface-bg: rgba(25, 21, 18, 0.92);
  --surface-strong-bg: linear-gradient(180deg, rgba(41, 34, 28, 0.96), rgba(20, 16, 13, 0.98));
  --surface-border: rgba(255, 214, 138, 0.1);
  --canvas-bg: linear-gradient(180deg, rgba(39, 33, 27, 0.96), rgba(18, 15, 12, 0.98));
  --grid-panel-bg: rgba(255, 214, 138, 0.08);
  --grid-cell-bg: rgba(255, 214, 138, 0.14);
  --overlay-bg: rgba(12, 10, 8, 0.74);
  --drawer-action-bg: rgba(43, 36, 30, 0.88);
  --drawer-action-border: rgba(255, 214, 138, 0.12);
  --drawer-action-text: #f6e7c2;
  --drawer-primary-bg: rgba(78, 199, 162, 0.22);
  --drawer-primary-text: #174a39;
  --control-primary-bg:
    radial-gradient(circle at 50% 28%, rgba(255, 236, 196, 0.18), transparent 32%),
    linear-gradient(180deg, rgba(216, 143, 44, 0.96), rgba(143, 91, 8, 0.98));
  --control-primary-border: rgba(255, 194, 92, 0.4);
  --control-primary-text: #fff4d7;
  --control-primary-glow: rgba(143, 91, 8, 0.28);
  --control-primary-ring: rgba(255, 194, 92, 0.08);
  --text-color: #f6e7c2;
  --muted-color: #b39c73;
  --heading-color: #f1d9a5;
  --accent-color: #ffd46f;
  --accent-soft: rgba(255, 214, 138, 0.08);
  --card-title-bg: rgba(255, 214, 138, 0.08);
  --card-title-text: rgba(241, 217, 165, 0.72);
  --gameover-bg: linear-gradient(180deg, rgba(41, 34, 28, 0.96), rgba(20, 16, 13, 0.98));
  --gameover-border: rgba(255, 214, 138, 0.14);
  --gameover-score: #ffd46f;
  --gameover-score-shadow: rgba(255, 212, 111, 0.24);
  --metric-highlight: rgba(255, 212, 111, 0.16);
  --level-color: #8d73ff;
  --line-color: #ee8a54;
  --combo-color: #ffd46f;
  --grid-line: rgba(62, 112, 99, 0.07);
  --cell-highlight: rgba(255, 255, 255, 0.28);
  --flash-color: #ffd46f;
  --pulse-color: rgba(255, 214, 138, 0.075);
  --floating-default: #2da79d;
  --preview-shadow: inset 0 0 0 1px rgba(255,255,255,0.55), 0 6px 12px rgba(40,72,63,0.08);
  --shadow: 0 22px 44px rgba(0, 0, 0, 0.38);
  --radius: 18px;
}

html[data-theme="retro"] {
  --page-bg:
    radial-gradient(circle at top left, rgba(96, 255, 220, 0.12), transparent 22%),
    radial-gradient(circle at bottom right, rgba(255, 94, 166, 0.1), transparent 24%),
    linear-gradient(180deg, #10181c 0%, #05080a 100%);
  --surface-bg: rgba(12, 17, 20, 0.92);
  --surface-strong-bg: linear-gradient(180deg, rgba(18, 27, 30, 0.97), rgba(6, 12, 14, 0.99));
  --surface-border: rgba(126, 240, 215, 0.16);
  --canvas-bg:
    repeating-linear-gradient(
      180deg,
      rgba(126, 240, 215, 0.03) 0px,
      rgba(126, 240, 215, 0.03) 2px,
      rgba(0, 0, 0, 0) 2px,
      rgba(0, 0, 0, 0) 4px
    ),
    linear-gradient(180deg, rgba(10, 22, 24, 0.98), rgba(3, 7, 9, 0.99));
  --grid-panel-bg: rgba(126, 240, 215, 0.08);
  --grid-cell-bg: rgba(126, 240, 215, 0.15);
  --overlay-bg: rgba(2, 8, 9, 0.78);
  --drawer-action-bg: rgba(20, 31, 34, 0.94);
  --drawer-action-border: rgba(126, 240, 215, 0.18);
  --drawer-action-text: #d9fff7;
  --drawer-primary-bg: rgba(126, 240, 215, 0.22);
  --drawer-primary-text: #073a33;
  --control-primary-bg:
    radial-gradient(circle at 50% 28%, rgba(182, 255, 243, 0.18), transparent 32%),
    linear-gradient(180deg, rgba(20, 72, 78, 0.98), rgba(6, 31, 36, 0.98));
  --control-primary-border: rgba(126, 240, 215, 0.34);
  --control-primary-text: #b6fff3;
  --control-primary-glow: rgba(126, 240, 215, 0.24);
  --control-primary-ring: rgba(126, 240, 215, 0.1);
  --text-color: #dcfff8;
  --muted-color: #8db6b0;
  --heading-color: #b6fff3;
  --accent-color: #7ef0d7;
  --accent-soft: rgba(126, 240, 215, 0.12);
  --card-title-bg: rgba(126, 240, 215, 0.09);
  --card-title-text: rgba(182, 255, 243, 0.76);
  --gameover-bg: linear-gradient(180deg, rgba(18, 27, 30, 0.98), rgba(5, 10, 11, 0.99));
  --gameover-border: rgba(126, 240, 215, 0.16);
  --gameover-score: #7ef0d7;
  --gameover-score-shadow: rgba(126, 240, 215, 0.22);
  --metric-highlight: rgba(126, 240, 215, 0.18);
  --level-color: #ff7b7b;
  --line-color: #ffbf57;
  --combo-color: #7ef0d7;
  --grid-line: rgba(126, 240, 215, 0.08);
  --cell-highlight: rgba(255, 255, 255, 0.22);
  --flash-color: #7ef0d7;
  --pulse-color: rgba(126, 240, 215, 0.075);
  --floating-default: #7ef0d7;
  --preview-shadow: inset 0 0 0 1px rgba(255,255,255,0.46), 0 6px 12px rgba(9, 44, 40, 0.18);
}

html[data-theme="neon"] {
  --page-bg:
    radial-gradient(circle at 18% 8%, rgba(255, 43, 214, 0.2), transparent 24%),
    radial-gradient(circle at 86% 92%, rgba(57, 255, 20, 0.12), transparent 22%),
    linear-gradient(180deg, #120017 0%, #030005 100%);
  --surface-bg: rgba(17, 0, 24, 0.92);
  --surface-strong-bg: linear-gradient(180deg, rgba(31, 4, 42, 0.98), rgba(9, 0, 14, 0.99));
  --surface-border: rgba(255, 43, 214, 0.26);
  --canvas-bg:
    repeating-linear-gradient(
      180deg,
      rgba(255, 102, 217, 0.025) 0px,
      rgba(255, 102, 217, 0.025) 2px,
      rgba(0, 0, 0, 0) 2px,
      rgba(0, 0, 0, 0) 5px
    ),
    linear-gradient(180deg, rgba(18, 0, 27, 0.98), rgba(3, 0, 7, 0.99));
  --grid-panel-bg: rgba(255, 43, 214, 0.09);
  --grid-cell-bg: rgba(255, 43, 214, 0.13);
  --overlay-bg: rgba(8, 0, 12, 0.8);
  --drawer-action-bg: rgba(30, 3, 42, 0.94);
  --drawer-action-border: rgba(255, 43, 214, 0.28);
  --drawer-action-text: #ffe7fa;
  --drawer-primary-bg: rgba(57, 255, 20, 0.2);
  --drawer-primary-text: #e9ffe4;
  --control-primary-bg:
    radial-gradient(circle at 50% 28%, rgba(255, 242, 0, 0.2), transparent 32%),
    linear-gradient(180deg, rgba(255, 43, 214, 0.9), rgba(72, 14, 112, 0.98));
  --control-primary-border: rgba(255, 242, 0, 0.46);
  --control-primary-text: #ffe7fa;
  --control-primary-glow: rgba(255, 43, 214, 0.34);
  --control-primary-ring: rgba(255, 242, 0, 0.12);
  --text-color: #ffeaff;
  --muted-color: #d39ad0;
  --heading-color: #ffb7f1;
  --accent-color: #ff2bd6;
  --accent-soft: rgba(255, 43, 214, 0.12);
  --card-title-bg: rgba(57, 255, 20, 0.1);
  --card-title-text: rgba(255, 231, 250, 0.8);
  --gameover-bg: linear-gradient(180deg, rgba(31, 4, 42, 0.98), rgba(8, 0, 12, 0.99));
  --gameover-border: rgba(57, 255, 20, 0.22);
  --gameover-score: #fff200;
  --gameover-score-shadow: rgba(255, 242, 0, 0.3);
  --metric-highlight: rgba(255, 43, 214, 0.24);
  --level-color: #00e5ff;
  --line-color: #fff200;
  --combo-color: #39ff14;
  --grid-line: rgba(255, 43, 214, 0.12);
  --cell-highlight: rgba(255, 255, 255, 0.34);
  --flash-color: #ff2bd6;
  --pulse-color: rgba(255, 43, 214, 0.1);
  --floating-default: #00e5ff;
  --preview-shadow: inset 0 0 0 1px rgba(255,255,255,0.55), 0 0 14px rgba(255, 43, 214, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--page-bg);
  color: var(--text-color);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body {
  min-height: 100dvh;
  margin: 0;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.drawer-action {
  background: var(--drawer-action-bg);
  border-color: var(--drawer-action-border);
  color: var(--drawer-action-text);
}

.board-wrap,
.metric-card,
.control-drawer,
.retro-controls,
.gameover-panel {
  background: var(--surface-bg);
  border-color: var(--surface-border);
  box-shadow: var(--shadow);
}

#gameCanvas {
  background: var(--canvas-bg);
}

.next-grid {
  background: var(--grid-panel-bg);
  border-color: var(--surface-border);
}

.next-cell {
  background: var(--grid-cell-bg);
}

.overlay {
  background: var(--overlay-bg);
}

.overlay h2,
.overlay p,
.metric-card span,
.card-title,
.gameover-badge,
.gameover-score span,
.gameover-stat span {
  color: var(--heading-color);
}

.gameover-panel {
  background: var(--gameover-bg);
  border-color: var(--gameover-border);
}

.gameover-score strong {
  color: var(--gameover-score);
  text-shadow: 0 0 22px var(--gameover-score-shadow);
}

.gameover-stat {
  background: var(--accent-soft);
  border-color: var(--surface-border);
}

button {
  font: inherit;
}

.hidden {
  display: none !important;
}

.app-shell {
  width: min(100vw, 860px);
  height: 100dvh;
  margin: 0 auto;
  padding: 10px 10px calc(8px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.app-shell.fullscreen-virtual-controls {
  padding: 6px 6px calc(6px + env(safe-area-inset-bottom));
  --virtual-controls-bottom: calc(clamp(48px, 12vh, 108px) + env(safe-area-inset-bottom));
}

.drawer-action {
  border: 1px solid var(--drawer-action-border);
  background: var(--drawer-action-bg);
  color: var(--drawer-action-text);
  box-shadow: none;
}

.drawer-action.wide {
  grid-column: 1 / -1;
}

.stats-rail {
  position: absolute;
  top: 8px;
  left: 60px;
  right: 60px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: 4px;
  z-index: 3;
  pointer-events: none;
}

.hold-dock,
.next-dock {
  position: absolute;
  width: 50px;
  z-index: 2;
  pointer-events: none;
  display: grid;
  gap: 1px;
}

.hold-dock {
  top: 6px;
  left: 6px;
}

.metric-card,
.board-wrap {
  background: var(--surface-strong-bg);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  box-shadow: none;
  backdrop-filter: blur(14px);
}

.metric-card {
  min-height: 34px;
  padding: 5px 7px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  border-color: var(--surface-border);
  background: var(--surface-strong-bg);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.metric-card span,
.card-title {
  color: var(--heading-color);
  font-size: 8px;
  font-weight: 700;
}

.card-title {
  justify-self: center;
  padding: 1px 4px;
  border-radius: 999px;
  color: var(--card-title-text);
  font-size: 6px;
  font-weight: 600;
  background: var(--card-title-bg);
}

.metric-card strong {
  font-size: 14px;
  line-height: 1;
  text-shadow: 0 0 18px var(--metric-highlight);
}

.hud-hot {
  animation: hud-pop 260ms ease-out;
}

@keyframes hud-pop {
  0% {
    transform: scale(1);
  }
  45% {
    transform: scale(1.045);
  }
  100% {
    transform: scale(1);
  }
}

.metric-card-score {
  align-items: flex-start;
  padding-inline: 8px 10px;
  background: var(--surface-strong-bg);
}

.metric-card-score strong {
  font-size: 18px;
  color: var(--accent-color);
}

.metric-card-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 0;
  padding: 0;
  background: var(--surface-strong-bg);
}

.metric-pair {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 3px;
  min-height: 100%;
  padding: 5px 4px;
}

.metric-pair + .metric-pair {
  border-left: 1px solid var(--surface-border);
}

.metric-pair strong {
  font-size: 13px;
  line-height: 1;
}

.metric-pair:first-child strong {
  color: var(--level-color);
}

.metric-pair:nth-child(2) strong {
  color: var(--line-color);
}

.metric-pair-combo strong,
.metric-pair-combo span {
  color: var(--combo-color);
}

.metric-pair-combo span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metric-pair-combo strong {
  text-shadow: 0 0 16px var(--metric-highlight);
}

.board-stage {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.board-wrap {
  position: relative;
  padding: 8px;
  display: grid;
  place-items: center;
  background: var(--surface-strong-bg);
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow);
}

.next-dock {
  top: 6px;
  right: 6px;
}

.next-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5px;
  padding: 0.5px;
  background: var(--grid-panel-bg);
  border: 1px solid var(--surface-border);
  border-radius: 9px;
}

.next-cell {
  aspect-ratio: 1 / 1;
  border-radius: 4px;
  background: var(--grid-cell-bg);
}

#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  background: var(--canvas-bg);
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 8px;
  z-index: 8;
  border-radius: 20px;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  background: var(--overlay-bg);
  backdrop-filter: blur(8px);
  padding: 18px;
  gap: 8px;
}

.overlay.hidden {
  display: none;
}

.overlay h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.overlay p {
  margin: 0;
  color: var(--muted-color);
}

.gameover-panel {
  width: min(100%, 290px);
  display: grid;
  gap: 8px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--gameover-border);
  background: var(--gameover-bg);
  box-shadow: var(--shadow);
}

.gameover-badge {
  justify-self: center;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--drawer-primary-text);
  background: var(--accent-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

.gameover-score {
  display: grid;
  justify-items: center;
  gap: 4px;
}

.gameover-score span,
.gameover-stat span {
  font-size: 10px;
  color: var(--heading-color);
  font-weight: 700;
}

.gameover-score strong {
  font-size: 28px;
  line-height: 1;
  color: var(--gameover-score);
  text-shadow: 0 0 22px var(--gameover-score-shadow);
}

.gameover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.gameover-stat {
  display: grid;
  justify-items: center;
  gap: 3px;
  padding: 8px 6px;
  border-radius: 14px;
  background: var(--accent-soft);
  border: 1px solid var(--surface-border);
}

.gameover-stat strong {
  font-size: 16px;
  line-height: 1;
}

.drawer-action:active {
  transform: translateY(1px) scale(0.985);
  filter: brightness(1.06) saturate(1.04);
}

.drawer-action:disabled {
  opacity: 0.48;
  filter: saturate(0.82);
}

.control-drawer {
  position: absolute;
  right: 12px;
  bottom: calc(74px + env(safe-area-inset-bottom));
  z-index: 4;
  width: min(240px, calc(100vw - 30px));
  padding: 8px;
  border-radius: 14px;
  background: var(--surface-bg);
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.app-shell.fullscreen-virtual-controls .control-drawer {
  position: fixed;
  right: 8px;
  bottom: calc(var(--virtual-controls-bottom) + clamp(150px, 22vh, 220px));
}

.drawer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.debug-panel {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--surface-border);
}

.debug-panel-title {
  margin-bottom: 6px;
  color: var(--heading-color);
  font-size: 11px;
  font-weight: 700;
}

.debug-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.drawer-action {
  min-height: 64px;
  border-radius: 14px;
  padding: 8px 6px;
  font-size: 11px;
  display: grid;
  place-items: center;
  gap: 5px;
  text-align: center;
  line-height: 1;
  letter-spacing: 0;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    transform 120ms ease,
    filter 120ms ease,
    box-shadow 120ms ease,
    background-color 120ms ease,
    border-color 120ms ease,
    color 120ms ease;
}

.drawer-action.icon-action {
  justify-items: center;
  align-content: center;
}

.drawer-icon {
  width: 20px;
  height: 20px;
  color: currentColor;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.drawer-icon circle[fill="currentColor"] {
  fill: currentColor;
  stroke: none;
}

.drawer-label {
  font-size: 10px;
  line-height: 1;
  font-weight: 600;
  white-space: nowrap;
}

.drawer-action.primary {
  background: var(--drawer-primary-bg);
  color: var(--drawer-primary-text);
  font-weight: 600;
}

.debug-grid .drawer-action {
  min-height: 52px;
}

.retro-controls {
  width: 100%;
  margin-top: auto;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  position: relative;
}

.app-shell.fullscreen-virtual-controls .retro-controls {
  position: fixed;
  left: 50%;
  bottom: var(--virtual-controls-bottom);
  transform: translateX(-50%);
  width: min(100vw - 12px, 720px);
  margin: 0;
  padding: 0;
  z-index: 12;
  pointer-events: none;
  opacity: 0.3;
}

.app-shell.fullscreen-virtual-controls .retro-deck {
  pointer-events: auto;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
  padding: 0;
}

.app-shell.fullscreen-virtual-controls .retro-left,
.app-shell.fullscreen-virtual-controls .retro-right {
  background: transparent;
}

.app-shell.fullscreen-virtual-controls .retro-btn,
.app-shell.fullscreen-virtual-controls .retro-mini-btn,
.app-shell.fullscreen-virtual-controls .retro-rotate-btn {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 6px 12px rgba(0, 0, 0, 0.12);
}

.app-shell.fullscreen-virtual-controls .retro-state-btn,
.app-shell.fullscreen-virtual-controls .retro-rotate-btn {
  background: rgba(255, 255, 255, 0.16);
}

@media (orientation: landscape) and (pointer: coarse) {
  .app-shell.fullscreen-virtual-controls::after {
    content: "请竖屏使用";
    position: fixed;
    inset: 0;
    z-index: 40;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-color);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0;
    backdrop-filter: blur(10px);
  }

  .app-shell.fullscreen-virtual-controls .retro-controls,
  .app-shell.fullscreen-virtual-controls .control-drawer {
    pointer-events: none;
  }
}

.retro-deck {
  display: grid;
  grid-template-columns: minmax(190px, 204px) minmax(122px, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 222px;
  padding: 18px 18px 18px 20px;
  border-radius: 22px;
  border: 1px solid var(--surface-border);
  background: var(--surface-strong-bg);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 18px 34px rgba(0, 0, 0, 0.34);
}

.retro-left,
.retro-right {
  min-width: 0;
}

.retro-left {
  align-self: center;
}

.retro-dpad {
  position: relative;
  width: 206px;
  height: 206px;
  margin-left: 0;
  border-radius: 999px;
  border: 1px solid var(--surface-border);
  background: var(--surface-strong-bg);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25),
    0 12px 22px rgba(0, 0, 0, 0.3);
  transform: translateY(-4px);
}

.retro-dpad-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 32px;
  height: 32px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: var(--drawer-action-bg);
  border: 1px solid var(--surface-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.retro-btn,
.retro-action,
.retro-mini-btn,
.retro-rotate-btn {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  touch-action: none;
  user-select: none;
  border: 1px solid var(--drawer-action-border);
  background: var(--drawer-action-bg);
  color: var(--drawer-action-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 8px 16px rgba(0, 0, 0, 0.22);
}

.retro-btn:active,
.retro-action:active,
.retro-mini-btn:active,
.retro-rotate-btn:active {
  transform: translateY(1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 4px 10px rgba(0, 0, 0, 0.22);
}

.retro-btn-up:active,
.retro-btn-down:active {
  transform: translateX(-50%) translateY(1px);
}

.retro-btn-left:active,
.retro-btn-right:active {
  transform: translateY(-50%) translateY(1px);
}

.retro-btn {
  position: absolute;
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  padding: 0;
  font-weight: 700;
  font-size: 25px;
}

.retro-btn-up {
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
}

.retro-btn-left {
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
}

.retro-btn-down {
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
}

.retro-btn-right {
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
}

.retro-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 186px;
  justify-self: end;
  width: 150px;
}

.retro-bottom-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 6px;
}

.retro-mini-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  padding: 0;
  background: var(--drawer-action-bg);
}

.retro-state-btn {
  border-color: var(--control-primary-border);
  background: var(--control-primary-bg);
  color: var(--control-primary-text);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 10px 18px var(--control-primary-glow),
    0 0 0 1px var(--control-primary-ring);
}

.retro-mini-icon {
  font-size: 16px;
  line-height: 1;
  font-weight: 700;
  color: inherit;
  text-shadow: 0 0 10px var(--control-primary-glow);
}

.retro-rotate-btn {
  width: 114px;
  height: 114px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  padding: 0;
  margin-right: 8px;
  border-color: var(--control-primary-border);
  background: var(--control-primary-bg);
  color: var(--control-primary-text);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 10px 16px var(--control-primary-glow),
    0 0 0 1px var(--control-primary-ring);
}

.retro-rotate-icon {
  font-size: 44px;
  line-height: 1;
  font-weight: 700;
  color: inherit;
  text-shadow: 0 0 14px var(--control-primary-glow);
}

.retro-action {
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
}

.retro-action.primary {
  border-color: var(--control-primary-border);
  background: var(--control-primary-bg);
  color: var(--control-primary-text);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 10px 18px var(--control-primary-glow);
}

.retro-guide.hidden {
  display: none;
}

.retro-guide {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: block;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  background: rgba(12, 10, 8, 0.3);
}

.retro-guide-tag,
.retro-guide-note {
  position: absolute;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--drawer-action-border);
  background: var(--drawer-action-bg);
  color: var(--drawer-action-text);
  font-size: 12px;
  line-height: 1;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

.retro-guide-tag::before,
.retro-guide-note::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 6px;
  border-radius: 999px;
  background: var(--accent-color);
  box-shadow: 0 0 10px rgba(255, 212, 111, 0.42);
}

.retro-guide-up {
  top: 18px;
  left: 120px;
  transform: translateX(-50%);
}

.retro-guide-left {
  top: 100px;
  left: 16px;
  transform: translateY(-50%);
}

.retro-guide-down {
  top: 192px;
  left: 120px;
  transform: translateX(-50%);
}

.retro-guide-right {
  top: 100px;
  left: 160px;
  transform: translateY(-50%);
}

.retro-guide-rotate {
  top: 82px;
  right: 6px;
  transform: translateY(-50%);
}

.retro-guide-start {
  top: 168px;
  right: 74px;
}

.retro-guide-menu {
  top: 168px;
  right: 20px;
}

.retro-guide-note {
  top: 222px;
  left: 118px;
  transform: translateX(-50%);
  color: rgba(246, 231, 194, 0.9);
  font-size: 11px;
  font-weight: 700;
}

@media (min-width: 720px) {
  .app-shell {
    padding: 14px 16px calc(16px + env(safe-area-inset-bottom));
  }

  .next-dock {
    width: 58px;
  }

  .hold-dock {
    width: 58px;
  }

  .metric-card {
    min-height: 40px;
    padding: 5px 8px;
  }

  .metric-card strong {
    font-size: 15px;
  }

  .metric-card:nth-child(1) strong {
    font-size: 17px;
  }

  .control-drawer {
    right: 16px;
    bottom: calc(78px + env(safe-area-inset-bottom));
  }

  .retro-controls {
    padding: 8px 0 calc(6px + env(safe-area-inset-bottom));
  }

  .retro-deck {
    grid-template-columns: minmax(196px, 204px) minmax(136px, 150px);
    min-height: 226px;
    gap: 14px;
    padding: 18px 20px 18px 22px;
  }

  .retro-dpad {
    width: 210px;
    height: 210px;
  }

  .retro-btn {
    width: 70px;
    height: 70px;
  }

  .retro-rotate-btn {
    width: 114px;
    height: 114px;
    margin-right: 8px;
  }
}

@media (max-width: 560px) {
  .app-shell {
    padding: 4px 4px calc(4px + env(safe-area-inset-bottom));
    gap: 4px;
  }

  .app-header {
    display: none;
  }

  .stats-rail {
    top: 6px;
    left: 52px;
    right: 52px;
    gap: 3px;
  }

  .metric-card {
    min-height: 24px;
    padding: 2px 4px;
    gap: 2px;
  }

  .metric-card span,
  .card-title {
    font-size: 7px;
    line-height: 1;
  }

  .card-title {
    font-size: 5px;
    padding: 1px 3px;
  }

  .metric-card strong {
    font-size: 12px;
    line-height: 1;
  }

  .metric-card-score {
    padding-inline: 5px 6px;
  }

  .metric-card-score strong {
    font-size: 14px;
  }

  .metric-card-meta {
    padding: 0;
  }

  .metric-pair {
    gap: 2px;
    padding: 2px 3px;
  }

  .metric-pair strong {
    font-size: 11px;
  }

  .board-wrap {
    padding: 7px;
    border-radius: 22px;
  }

  .next-dock {
    top: 7px;
    right: 7px;
    width: 46px;
    gap: 1px;
  }

  .hold-dock {
    top: 7px;
    left: 7px;
    width: 46px;
    gap: 1px;
  }

  .overlay {
    inset: 7px;
  }

  .control-drawer {
    right: 4px;
    bottom: calc(70px + env(safe-area-inset-bottom));
    width: min(220px, calc(100vw - 16px));
  }

  .app-shell.fullscreen-virtual-controls .control-drawer {
    right: 4px;
    bottom: calc(var(--virtual-controls-bottom) + clamp(146px, 20vh, 196px));
  }

  .drawer-action {
    min-height: 34px;
    padding: 7px 8px;
    font-size: 11px;
  }

  .debug-panel-title {
    font-size: 10px;
  }

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

  .retro-deck {
    grid-template-columns: minmax(164px, 170px) minmax(104px, 1fr);
    gap: 8px;
    min-height: 184px;
    padding: 10px 8px 10px 10px;
  }

  .retro-dpad {
    width: 172px;
    height: 172px;
    transform: translateY(-3px);
  }

  .retro-dpad-core {
    width: 26px;
    height: 26px;
  }

  .retro-btn {
    width: 56px;
    height: 56px;
    font-size: 21px;
  }

  .retro-btn-up {
    top: 5px;
  }

  .retro-btn-left {
    left: 5px;
  }

  .retro-btn-down {
    bottom: 5px;
  }

  .retro-btn-right {
    right: 5px;
  }

  .retro-mini-btn {
    width: 44px;
    height: 44px;
  }

  .retro-mini-icon {
    font-size: 14px;
  }

  .retro-rotate-btn {
    width: 78px;
    height: 78px;
  }

  .retro-rotate-icon {
    font-size: 32px;
  }

  .retro-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 152px;
    width: 112px;
  }

  .retro-bottom-row {
    gap: 6px;
    margin-top: 8px;
  }

  .retro-guide-tag,
  .retro-guide-note {
    min-height: 24px;
    padding: 5px 7px;
    font-size: 10px;
  }

  .retro-guide-tag::before,
  .retro-guide-note::before {
    width: 4px;
    height: 4px;
    margin-right: 4px;
  }

  .retro-guide-up {
    top: 12px;
    left: 93px;
  }

  .retro-guide-left {
    top: 82px;
    left: 10px;
  }

  .retro-guide-down {
    top: 152px;
    left: 93px;
  }

  .retro-guide-right {
    top: 82px;
    left: 128px;
  }

  .retro-guide-rotate {
    top: 68px;
    right: 4px;
  }

  .retro-guide-start {
    top: 138px;
    right: 52px;
  }

  .retro-guide-menu {
    top: 138px;
    right: 4px;
  }

  .retro-guide-note {
    top: 178px;
    left: 90px;
  }

  .retro-state-btn {
    width: 34px;
    height: 34px;
  }

  .retro-state-btn .retro-mini-icon {
    font-size: 14px;
  }

}

@media (display-mode: standalone) {
  .app-shell {
    padding-top: calc(12px + env(safe-area-inset-top));
  }
}