/* ============ Main ============ */
    .main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

    /* Connection Banner */
    .connection-banner {
      display: none;
      padding: 8px 16px;
      background: var(--red);
      color: #fff;
      font-size: 12px;
      text-align: center;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .connection-banner.visible { display: flex; }
    .connection-banner button {
      background: rgba(255,255,255,0.2);
      border: none;
      color: #fff;
      padding: 4px 12px;
      border-radius: 4px;
      cursor: pointer;
      font-size: 11px;
    }

    /* Top Bar */
    .topbar {
      background: var(--bg-darker);
      border-bottom: 1px solid var(--border);
      padding: 12px 20px;
      display: flex;
      align-items: center;
      gap: 20px;
      position: relative;
      z-index: 150;
    }
    .quick-stats { display: flex; gap: 24px; }
    .stat-item { display: flex; flex-direction: column; }
    .stat-value { font-size: 20px; font-weight: 600; color: var(--text); }
    .stat-value.green { color: var(--green); }
    .stat-value.red { color: var(--red); }
    .stat-value.yellow { color: var(--yellow); }
    .stat-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; }

    .topbar-title h1 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      margin: 0;
    }

    .topbar-hints {
      font-size: 11px;
      color: var(--text-dim);
      opacity: 0.6;
      white-space: nowrap;
      user-select: none;
    }
    .topbar-hints kbd {
      background: rgba(255,255,255,0.08);
      padding: 1px 5px;
      border-radius: 3px;
      font-family: monospace;
      font-size: 11px;
      font-weight: 600;
    }

    .topbar-actions { display: flex; gap: 8px; position: relative; z-index: 151; }
    .topbar-actions .btn { position: relative; z-index: 152; }

    /* User Menu Container */
    .user-menu-container {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* User Dropdown */
    .user-dropdown {
      position: relative;
    }

    .user-dropdown-trigger {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 12px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      cursor: pointer;
      font-size: 13px;
      color: var(--text);
      transition: all 0.15s;
    }

    .user-dropdown-trigger:hover {
      background: var(--bg-hover);
      border-color: var(--border-secondary);
    }

    .user-avatar {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--accent);
      color: #000;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      font-size: 12px;
    }

    .user-name {
      max-width: 100px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .dropdown-arrow {
      font-size: 8px;
      color: var(--text-dim);
      transition: transform 0.2s;
    }

    .user-dropdown.open .dropdown-arrow {
      transform: rotate(180deg);
    }

    .user-dropdown-menu {
      position: absolute;
      top: calc(100% + 8px);
      right: 0;
      min-width: 200px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.3);
      opacity: 0;
      visibility: hidden;
      transform: translateY(-8px);
      transition: all 0.15s;
      z-index: 200;
    }

    .user-dropdown.open .user-dropdown-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .dropdown-user-info {
      padding: 12px 16px;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .user-full-name {
      font-weight: 600;
      font-size: 14px;
    }

    .user-tier {
      font-size: 11px;
      color: var(--text-dim);
    }

    .dropdown-divider {
      height: 1px;
      background: var(--border);
      margin: 4px 0;
    }

    .dropdown-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 16px;
      color: var(--text);
      text-decoration: none;
      font-size: 13px;
      cursor: pointer;
      transition: background 0.1s;
    }

    .dropdown-item:hover {
      background: var(--bg-hover);
    }

    .dropdown-icon {
      width: 16px;
      text-align: center;
      color: var(--text-dim);
    }

    #topbarTierBadge {
      padding: 2px 6px;
      background: var(--accent);
      color: #000;
      font-size: 9px;
      font-weight: 700;
      border-radius: 4px;
    }

    /* Rate Limit Indicator */
    .rate-limit-indicator {
      display: none;
      align-items: center;
      gap: 8px;
      padding: 6px 12px;
      background: rgba(226,165,66,0.2);
      border: 1px solid var(--yellow);
      border-radius: 6px;
      font-size: 11px;
      color: var(--yellow);
    }
    .rate-limit-indicator.visible { display: flex; }
    .rate-limit-indicator .progress {
      width: 60px;
      height: 4px;
      background: rgba(255,255,255,0.2);
      border-radius: 2px;
      overflow: hidden;
    }
    .rate-limit-indicator .progress-bar {
      height: 100%;
      background: var(--yellow);
      transition: width 0.3s;
    }