demo/styles/layout.css

    /* ── Layout: Top Bar ───────────────────────────────────────────── */

    #topBar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      border-bottom: 1px solid var(--panel-border);
      background: rgba(2, 6, 23, 0.8);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    /* ── Layout: Main Area ─────────────────────────────────────────── */

    #mainArea {
      display: flex;
      gap: 12px;
      padding: 12px;
      min-height: 0;
      overflow: hidden;
    }

    #videoFeed {
      flex: 7;
      min-width: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
    }

    #drawer {
      flex: 3;
      min-width: 0;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      overflow: hidden;
    }

    /* ── Layout: Timeline ──────────────────────────────────────────── */

    #timeline {
      margin: 0 12px;
      padding: 10px 16px;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 6px;
      min-height: 48px;
      position: relative;
    }

    /* ── Layout: Command Bar ───────────────────────────────────────── */

    #commandBar {
      margin: 8px 12px 12px;
      padding: 10px 16px;
      display: flex;
      align-items: center;
      justify-content: flex-start;
      gap: 10px;
      background: transparent;
      border: 1px solid var(--panel-border);
      border-radius: 10px;
      min-height: 44px;
      position: relative;
    }

    /* ── Top Bar Internals ────────────────────────────────────────── */

    .topbar-left, .topbar-right {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .topbar-sep {
      color: var(--text-tertiary);
      font-weight: 300;
      font-size: 16px;
      margin: 0 2px;
    }

    .topbar-mission {
      color: var(--success);
      letter-spacing: 2.5px;
    }

    .topbar-pulse {
      animation: pulse-dot 2s ease-in-out infinite;
    }

    .topbar-indicator {
      font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
      font-size: 10px;
      color: var(--text-secondary);
      letter-spacing: 0.5px;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .topbar-clock {
      min-width: 72px;
      text-align: right;
    }

    /* ── Placeholder Labels ────────────────────────────────────────── */

    .placeholder-label {
      color: var(--text-tertiary);
      font-size: 11px;
      letter-spacing: 1px;
      text-transform: uppercase;
      user-select: none;
    }

    /* ── Drawer ───────────────────────────────────────────────────── */

    .drawer-tabs {
      display: flex;
      border-bottom: 1px solid var(--panel-border);
      flex-shrink: 0;
    }

    .drawer-tab {
      flex: 1;
      background: none;
      border: none;
      color: var(--text-tertiary);
      font-family: inherit;
      font-size: 9px;
      font-weight: 600;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      padding: 10px 0;
      cursor: pointer;
    }

    .drawer-tab:hover {
      color: var(--text-secondary);
    }

    .drawer-tab.active {
      color: var(--accent-light);
    }

    .drawer-section {
      flex: 1;
      overflow-y: auto;
      padding: 10px 12px;
    }

    /* ── Min Width Guard ───────────────────────────────────────────── */

    @media (max-width: 1280px) {
      body {
        min-width: 1280px;
      }
    }