compas-wrapper {
      max-width: 960px;
      margin: 0 auto 32px;
      display: grid;
      gap: 20px;
    }
    .compas-controls {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      justify-content: center;
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
      padding: 16px 20px;
    }
    .compas-controls button {
      margin: 0;
      padding: 10px 18px;
      font-size: 1rem;
      border-radius: 10px;
      background: #2563eb;
      transition: background 0.2s ease;
    }
    .compas-controls button.secondary {
      background: #475569;
    }
    .compas-controls button.secondary:hover {
      background: #334155;
    }
    .compas-controls button:disabled {
      opacity: 0.6;
      cursor: not-allowed;
    }
    .compas-board {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }
    .compas-panel {
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
      padding: 18px 20px;
      display: grid;
      gap: 14px;
    }
    .panel-header {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 12px;
    }
    .panel-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
    }
    .panel-subtitle {
      color: #64748b;
      font-size: 0.9rem;
    }
    .tile-dropzone {
      min-height: 120px;
      border: 2px dashed #cbd5e1;
      border-radius: 12px;
      padding: 14px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-content: flex-start;
      background: #f8fafc;
      transition: border 0.2s ease, background 0.2s ease;
    }
    .tile-dropzone.over {
      border-color: #2563eb;
      background: #e2e8f0;
    }
    .tile-card {
      background: #1d4ed8;
      color: #fff;
      border-radius: 10px;
      padding: 10px 12px;
      min-width: 84px;
      text-align: center;
      font-weight: 600;
      cursor: grab;
      box-shadow: 0 3px 10px rgba(15, 23, 42, 0.18);
      user-select: none;
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    .tile-card[data-duration="0.5"] {
      background: #10b981;
    }
    .tile-card[data-duration="0.25"] {
      background: #f59e0b;
    }
    .tile-card[data-duration="1.5"] {
      background: #9333ea;
    }
    .tile-card:active {
      cursor: grabbing;
    }
    .tile-card.dragging {
      opacity: 0.8;
    }
    .tile-card .tile-figure {
      display: block;
      font-size: 2.6rem;
      line-height: 1;
      margin-bottom: 4px;
    }
    .tile-card .tile-label {
      display: block;
      font-size: 0.95rem;
      line-height: 1.2;
    }
    .tile-card .tile-duration {
      display: block;
      font-size: 0.8rem;
      margin-top: 4px;
      color: rgba(255, 255, 255, 0.85);
    }
    .tile-card.difficulty-2 .tile-duration {
      display: none;
    }
    .tile-card.difficulty-3 .tile-duration,
    .tile-card.difficulty-3 .tile-label {
      display: none;
    }
    .summary {
      font-weight: 600;
      color: #0f172a;
    }
    .summary.hidden {
      display: none;
    }
    #statusMessage {
      min-height: 32px;
      font-size: 1.05rem;
      font-weight: 600;
      color: #0f172a;
      text-align: center;
    }
    #statusMessage.success {
      color: #0f766e;
    }
    #statusMessage.error {
      color: #dc2626;
    }
    .tile-dropzone.completed {
      border-color: #0f766e;
      background: #ecfdf5;
    }
    .metrics {
      display: flex;
      gap: 16px;
      justify-content: center;
      color: #475569;
      font-size: 0.95rem;
    }
    @media (max-width: 640px) {
      .compas-controls {
        justify-content: stretch;
      }
      .compas-controls button {
        flex: 1 1 auto;
      }
    }