:root {
  --tetris-bg: #0f1220;
  --tetris-panel: #161a2e;
  --tetris-accent: #7c5cff;
  --tetris-accent-2: #00d1ff;
  --tetris-text: #e6e6f2;
  --tetris-muted: #a7b0c0;
  --tetris-shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
}

.tetris-root {
  box-sizing: border-box;
  max-width: 980px;
  margin: 24px auto;
  padding: 18px;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(80, 56, 255, .25), transparent 50%),
              radial-gradient(1200px 800px at 110% 10%, rgba(0, 209, 255, .18), transparent 50%),
              var(--tetris-bg);
  color: var(--tetris-text);
  border-radius: var(--radius);
  box-shadow: var(--tetris-shadow);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.tetris-wrap {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 18px;
}

.tetris-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 14px;
}

.tetris-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: calc(var(--radius) - 6px);
  background: linear-gradient(135deg, rgba(124,92,255,.28), rgba(0,209,255,.18));
  border: 1px solid rgba(255,255,255,.15);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 700;
  font-size: 13px;
}

.tetris-title {
  display: flex;
  gap: 8px;
  align-items: center;
}

.tetris-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--tetris-accent), var(--tetris-accent-2));
  box-shadow: 0 0 12px rgba(124,92,255,.9);
}

.tetris-board {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 12px;
}

.tetris-canvas-wrap {
  position: relative;
  background: var(--tetris-panel);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 10px;
}

canvas.tetris-canvas, canvas.tetris-mini {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 8px);
  background: linear-gradient(180deg, #0c0f1a, #0a0d16);
}

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

.tetris-stat {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 10px 12px;
  text-align: center;
}

.tetris-stat .label {
  color: var(--tetris-muted);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.tetris-stat .value {
  font-weight: 800;
  font-size: 20px;
  margin-top: 4px;
}

.tetris-controls {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.tbtn {
  user-select: none;
  -webkit-user-select: none;
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 12px;
  padding: 10px 8px;
  text-align: center;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: transform .06s ease, box-shadow .2s ease, opacity .2s ease;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
}
.tbtn:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}

.tetris-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tbadge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.10);
  font-size: 12px;
}
.tbadge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tetris-accent-2);
  box-shadow: 0 0 10px rgba(0,209,255,.9);
}

.tetris-side {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
}

.tetris-mini {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--tetris-panel);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 8px;
}

.tetris-footer {
  margin-top: 10px;
  font-size: 12px;
  color: var(--tetris-muted);
  text-align: center;
}

.tetris-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: calc(var(--radius) - 8px);
  background: rgba(10,13,22,.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
  text-align: center;
}
.tetris-state.show { opacity: 1; pointer-events: auto; }
.tetris-state .card {
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 18px 16px;
  box-shadow: var(--tetris-shadow);
}
.tetris-state h3 { margin: 0 0 8px; }
.tetris-state p { margin: 0 0 12px; color: var(--tetris-muted); }
.tetris-state .actions { display: flex; gap: 8px; justify-content: center; }
.tetris-state .actions .tbtn { min-width: 120px; }

@media (max-width: 900px) {
  .tetris-wrap {
    grid-template-columns: 1fr;
  }
  .tetris-controls { grid-template-columns: repeat(3, 1fr); }
}