:root {
  color-scheme: dark;
  --bg: #071120;
  --panel: rgba(13, 23, 41, 0.9);
  --panel-2: rgba(19, 32, 55, 0.94);
  --line: rgba(255, 255, 255, 0.08);
  --text: #f4f7fb;
  --muted: rgba(244, 247, 251, 0.7);
  --accent: #5dc0ff;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #fb7185;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top, #11213a 0%, #071120 55%, #04101d 100%);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  overscroll-behavior: none;
}

html {
  height: 100%;
}

body {
  min-height: 100dvh;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  overflow: hidden;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.app {
  width: 100%;
  max-width: 470px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
  align-content: start;
  padding-bottom: 92px;
}

.topbar,
.statusbar,
.toolbar,
.panel,
.modal-card {
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.32);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand h1 {
  font-size: 24px;
  margin: 0;
}

.subtitle,
.muted {
  color: var(--muted);
}

.scorebox {
  display: flex;
  gap: 12px;
}

.metric {
  min-width: 74px;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.metric-label {
  font-size: 12px;
  color: var(--muted);
  display: block;
}

.metric-value {
  font-size: 22px;
  font-weight: 800;
}

.statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 16px;
}

.statusbar span[data-variant='success'] {
  color: var(--success);
}

.statusbar span[data-variant='warning'] {
  color: var(--warning);
}

.stage {
  position: relative;
  width: 100%;
  aspect-ratio: 390 / 680;
  margin: 0 auto;
  border-radius: 26px;
  overflow: hidden;
  background: #091525;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.42);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
  user-select: none;
}

.start-hint,
.game-over {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.start-hint {
  bottom: 22px;
  width: calc(100% - 28px);
  padding: 12px 16px;
  text-align: center;
  background: rgba(5, 11, 21, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
}

.game-over {
  top: 50%;
  transform: translate(-50%, -50%);
  width: calc(100% - 42px);
  max-width: 340px;
  padding: 20px;
  background: rgba(7, 17, 32, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  text-align: center;
}

.game-over h2 {
  margin: 0 0 10px;
}

.final-score {
  margin-top: 8px;
  font-size: 52px;
  font-weight: 900;
}

.toolbar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: max(8px, env(safe-area-inset-bottom));
  width: min(calc(100vw - 24px), 470px);
  z-index: 25;
  display: flex;
  gap: 10px;
  padding: 10px;
  background: rgba(13, 23, 41, 0.95);
}

.btn {
  border: 0;
  border-radius: 16px;
  padding: 12px 16px;
  min-height: 44px;
  font-weight: 700;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(180deg, #68c9ff 0%, #3895ff 100%);
  color: #041320;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 7, 14, 0.78);
  display: grid;
  place-items: center;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  z-index: 50;
}

.modal-card {
  width: min(100%, 460px);
  max-height: min(86dvh, 700px);
  overflow: auto;
  padding: 20px;
  background: var(--panel-2);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
}

.modal-header h3 {
  margin: 0;
}

.leaderboard {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  max-height: min(56dvh, 460px);
  overflow: auto;
  padding-right: 2px;
}

.lb-row,
.my-rank {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.lb-row.is-me,
.my-rank {
  background: rgba(93, 192, 255, 0.12);
  border-color: rgba(93, 192, 255, 0.25);
}

.lb-rank,
.lb-score,
.my-rank-value {
  font-weight: 800;
}

.lb-rank {
  font-variant-numeric: tabular-nums;
}

.lb-score {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.05;
}

.lb-score strong {
  font-size: 18px;
}

.lb-score small {
  font-size: 11px;
  color: var(--muted);
}

.lb-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb-empty {
  padding: 18px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 16px;
}

@media (max-width: 480px), (max-height: 820px) {
  body {
    padding: max(8px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  }

  .app {
    gap: 8px;
    padding-bottom: 88px;
  }

  .topbar {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 10px;
    border-radius: 18px;
  }

  .brand h1 {
    font-size: 20px;
  }

  .subtitle,
  .topbar .muted {
    display: none;
  }

  .scorebox {
    width: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .metric {
    min-width: 0;
    flex: 1;
    padding: 8px 10px;
    border-radius: 14px;
  }

  .metric-label {
    font-size: 11px;
  }

  .metric-value {
    font-size: 19px;
  }

  .statusbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 10px;
    font-size: 13px;
  }

  .statusbar .muted {
    display: none;
  }

  .stage {
    border-radius: 22px;
  }

  .start-hint {
    bottom: 14px;
    width: calc(100% - 20px);
    padding: 10px 12px;
    font-size: 14px;
  }

  .modal {
    align-items: end;
    padding-top: max(8px, env(safe-area-inset-top));
  }

  .game-over {
    width: calc(100% - 28px);
    padding: 18px;
  }

  .final-score {
    font-size: 44px;
  }

  .toolbar {
    padding: 10px;
    width: calc(100vw - 16px);
  }

  .toolbar .btn {
    width: 100%;
  }

  .modal-card {
    width: 100%;
    max-height: min(88dvh, 700px);
    padding: 14px;
    border-radius: 18px;
  }

  .lb-row,
  .my-rank {
    grid-template-columns: 46px 1fr auto;
    gap: 10px;
    padding: 10px 12px;
  }
}

@media (max-height: 720px) {
  .metric {
    padding: 8px 10px;
  }

  .metric-value {
    font-size: 18px;
  }

  .start-hint {
    display: none;
  }

  .statusbar {
    padding: 7px 10px;
  }

  .toolbar {
    padding: 8px;
  }
}