.tetris-shell {
  width: min(1120px, 100%);
}

.tetris-speed-tabs {
  margin-bottom: 14px;
}

.tetris-speed-tabs button:first-child {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.tetris-speed-tabs .mode-btn.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.tetris-score-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.tetris-score-grid div {
  min-height: 68px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101828;
  color: #fff;
}

.tetris-score-grid span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 800;
}

.tetris-score-grid strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 22px;
  line-height: 1.1;
  color: #f4c95d;
}

.tetris-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) 260px;
  gap: 16px;
  align-items: start;
}

.tetris-board-panel,
.tetris-preview-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.tetris-board-panel {
  position: relative;
  display: grid;
  place-items: center;
  padding: 12px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(33, 102, 213, 0.055) 1px, transparent 1px),
    linear-gradient(rgba(33, 102, 213, 0.055) 1px, transparent 1px), #edf2f8;
  background-size: 18px 18px;
}

.tetris-board-canvas {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  background: #101828;
  touch-action: none;
}

.tetris-overlay {
  position: absolute;
  inset: 12px;
  display: grid;
  place-content: center;
  gap: 8px;
  text-align: center;
  border-radius: 6px;
  background: rgba(16, 24, 40, 0.72);
  color: #fff;
}

.tetris-overlay[hidden] {
  display: none;
}

.tetris-overlay strong {
  font-size: 28px;
  line-height: 1.2;
}

.tetris-overlay span {
  color: rgba(255, 255, 255, 0.82);
}

.tetris-side-panel {
  display: grid;
  gap: 12px;
}

.tetris-preview-grid {
  display: grid;
  gap: 12px;
}

.tetris-preview-card {
  padding: 12px;
}

.tetris-preview-card h2 {
  margin: 0 0 10px;
  font-size: 15px;
}

.tetris-preview-card canvas {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
}

.tetris-mini-btn,
.tetris-touch-controls button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.tetris-mini-btn {
  width: 100%;
  margin-top: 10px;
}

.tetris-links {
  display: grid;
  gap: 8px;
}

.tetris-links a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.tetris-touch-controls {
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.tetris-touch-controls button {
  padding: 0 10px;
}

.tetris-status-text {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 800px) {
  .tetris-layout {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 700px) {
  .tetris-speed-tabs {
    margin-bottom: 8px;
  }

  .tetris-score-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 8px;
  }

  .tetris-score-grid div {
    min-height: 54px;
    gap: 2px;
    padding: 8px;
    border-radius: 7px;
  }

  .tetris-score-grid span {
    font-size: 11px;
  }

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

  .tetris-layout {
    gap: 8px;
  }

  .tetris-board-panel,
  .tetris-preview-card {
    padding: 8px;
    border-radius: 7px;
  }

  .tetris-overlay {
    inset: 8px;
  }

  .tetris-overlay strong {
    font-size: 22px;
  }

  .tetris-preview-grid {
    gap: 8px;
  }

  .tetris-preview-card h2 {
    margin-bottom: 8px;
    font-size: 14px;
  }

  .tetris-mini-btn {
    min-height: 34px;
    margin-top: 8px;
    font-size: 13px;
  }

  .tetris-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .tetris-links a {
    min-height: 34px;
    padding: 0 8px;
    font-size: 13px;
  }

  .tetris-touch-controls {
    display: grid;
    gap: 6px;
    margin-top: 8px;
  }

  .tetris-touch-controls button {
    min-height: 34px;
    font-size: 13px;
  }

  .tetris-status-text {
    margin-top: 8px;
    padding-top: 8px;
    font-size: 13px;
  }
}