:root {
        --bg-1: #f2ead9;
        --bg-2: #d9c7a2;
        --panel: rgba(34, 21, 10, 0.96);
        --panel-soft: rgba(56, 36, 18, 0.98);
        --text: #fff7e8;
        --muted: #efe0bf;
        --accent: #e3b45d;
        --accent-2: #baf2c7;
        --danger: #ff9f8d;
        --shadow: rgba(28, 15, 6, 0.28);
      }

      * { box-sizing: border-box; }

      body {
        margin: 0;
        height: 100vh;
        overflow: hidden;
        font-family: Georgia, "Times New Roman", serif;
        font-size: 18px;
        color: var(--text);
        background:
          radial-gradient(circle at top, rgba(255, 246, 215, 0.75), transparent 35%),
          linear-gradient(180deg, var(--bg-1), var(--bg-2));
      }

      .shell {
        width: 100vw;
        height: 100vh;
        padding: 16px;
        display: grid;
        grid-template-columns: 280px minmax(0, 1fr) 280px;
        gap: 16px;
      }

      .card {
        background: linear-gradient(180deg, var(--panel), var(--panel-soft));
        border: 1px solid rgba(255, 219, 151, 0.28);
        border-radius: 20px;
        box-shadow: 0 16px 40px var(--shadow);
        backdrop-filter: blur(8px);
      }

      .sidebar {
        padding: 22px;
        overflow: auto;
      }

      .room-panel {
        padding: 16px;
        overflow: auto;
        display: flex;
        flex-direction: column;
      }

      .room-image-placeholder {
        aspect-ratio: 16 / 9;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        background: rgba(255, 245, 220, 0.05);
        border: 1px dashed rgba(255, 219, 151, 0.2);
        color: var(--muted);
        font-size: 2rem;
      }

      .room-info-section {
        display: grid;
        gap: 8px;
      }

      .rightbar {
        padding: 18px;
        overflow: auto;
      }

      .logo {
        margin: 0 0 8px;
        font-size: clamp(2rem, 3vw, 2.8rem);
        letter-spacing: 0.05em;
      }

      .subtitle {
        margin: 0 0 20px;
        color: var(--muted);
        line-height: 1.5;
      }

      .meta {
        display: grid;
        gap: 12px;
        margin-bottom: 18px;
      }

      .meta-block {
        padding: 14px;
        border-radius: 14px;
        background: rgba(255, 245, 220, 0.06);
      }

      .meta-label {
        display: block;
        margin-bottom: 6px;
        color: var(--accent);
        font-size: 0.78rem;
        text-transform: uppercase;
        letter-spacing: 0.14em;
      }

      .meta-value {
        color: var(--text);
        line-height: 1.5;
      }

      a {
        color: var(--text);
        text-decoration-color: var(--accent);
      }

      .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
      }

      .chips {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
      }

      .card-draw-section {
        display: flex;
        gap: 12px;
      }

      .draw-card-btn {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        padding: 14px 18px;
        border-radius: 14px;
        border: 1px solid rgba(255, 219, 151, 0.24);
        background: linear-gradient(180deg, rgba(255, 245, 220, 0.08), rgba(255, 245, 220, 0.04));
        color: var(--text);
        cursor: pointer;
        transition: all 140ms ease;
      }

      .draw-card-btn:hover:not(:disabled) {
        background: linear-gradient(180deg, rgba(255, 245, 220, 0.14), rgba(255, 245, 220, 0.08));
        border-color: rgba(255, 219, 151, 0.4);
        transform: translateY(-1px);
      }

      .draw-card-btn:disabled {
        opacity: 0.4;
        cursor: not-allowed;
      }

      .draw-card-btn i {
        font-size: 1.4rem;
        color: var(--accent);
      }

      .draw-card-btn span {
        font-size: 0.85rem;
      }

      .deck-count {
        font-size: 0.75rem;
        color: var(--muted);
        background: rgba(255, 245, 220, 0.1);
        padding: 2px 8px;
        border-radius: 999px;
        margin-top: 2px;
      }

      .control-grid {
        display: grid;
        gap: 8px;
      }

      .control-row {
        display: grid;
        grid-template-columns: 96px auto 1fr;
        gap: 8px;
        align-items: center;
      }

      .control-label {
        color: var(--muted);
        font-size: 0.82rem;
      }

      .dir-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 6px;
      }