/* Skeleton Loading */
    .skeleton {
      background: linear-gradient(90deg, var(--card-bg) 25%, #2a3847 50%, var(--card-bg) 75%);
      background-size: 200% 100%;
      animation: shimmer 1.5s infinite;
      border-radius: 4px;
    }
    @keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
    .skeleton-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 12px;
      background: var(--card-bg);
      border-radius: 8px;
      margin-bottom: 2px;
    }
    .skeleton-item .skeleton-checkbox { width: 16px; height: 16px; }
    .skeleton-item .skeleton-text { height: 14px; flex: 1; max-width: 150px; }
    .skeleton-item .skeleton-badge { width: 60px; height: 20px; }

    /* Check Queue */
    .queue-section {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid var(--border);
    }
    .queue-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }
    .queue-header .title {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .queue-header .title .icon { font-size: 16px; }
    .queue-header .title span { font-size: 12px; font-weight: 600; text-transform: uppercase; color: var(--text-dim); }
    .queue-header .count-badge {
      background: var(--accent);
      color: #000;
      font-size: 10px;
      font-weight: 600;
      padding: 2px 6px;
      border-radius: 10px;
    }
    .queue-header .clear-btn {
      background: none;
      border: none;
      color: var(--text-dim);
      font-size: 11px;
      cursor: pointer;
    }
    .queue-header .clear-btn:hover { color: var(--red); }
    .queue-list {
      max-height: 180px;
      overflow-y: auto;
      margin-bottom: 12px;
    }
    .queue-item {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 8px;
      border-radius: 6px;
      font-size: 12px;
      transition: all 0.15s;
    }
    .queue-item:hover { background: rgba(255,255,255,0.05); }
    .queue-item .username { font-family: monospace; color: var(--accent); flex: 1; }
    .queue-item .remove {
      opacity: 0;
      color: var(--text-dim);
      cursor: pointer;
      font-size: 14px;
      transition: opacity 0.15s;
    }
    .queue-item:hover .remove { opacity: 1; }
    .queue-item .remove:hover { color: var(--red); }
    .queue-empty {
      padding: 16px;
      text-align: center;
      color: var(--text-dim);
      font-size: 12px;
    }
    .queue-empty .hint { margin-top: 8px; font-size: 11px; opacity: 0.7; }
    .queue-actions { display: flex; gap: 8px; }
    .queue-actions .btn { flex: 1; }

    /* Alert Card */
    .alert-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 12px;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 12px;
      transition: all 0.15s;
    }
    .alert-card.removing { opacity: 0.5; }
    .alert-card .username { font-family: monospace; color: var(--accent); font-size: 14px; }
    .alert-card .alert-type { font-size: 11px; color: var(--text-dim); }
    .alert-card .alert-value { font-size: 13px; color: var(--yellow); }
    .alert-card .current-price { font-size: 11px; color: var(--text-dim); }
    .alert-card .actions { margin-left: auto; display: flex; gap: 6px; }

    /* Empty State */
    .empty-state {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 40px;
      color: var(--text-dim);
      text-align: center;
    }
    .empty-state .icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
    .empty-state h3 { font-size: 16px; color: var(--text); margin-bottom: 8px; }
    .empty-state p { font-size: 13px; margin-bottom: 16px; max-width: 300px; }
    .empty-state .hint { font-size: 11px; margin-top: 12px; padding: 8px 12px; background: var(--bg); border-radius: 6px; }

    /* Spinner */
    .spinner {
      width: 14px; height: 14px;
      border: 2px solid var(--border);
      border-top-color: var(--accent);
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }

    /* Toast */
    .toast-container {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      z-index: 1000;
    }
    .toast {
      padding: 12px 16px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      box-shadow: 0 4px 16px rgba(0,0,0,0.3);
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 12px;
      transform: translateX(120%);
      transition: transform 0.3s;
      max-width: 350px;
    }
    .toast.visible { transform: translateX(0); }
    .toast.success { border-color: var(--green); }
    .toast.error { border-color: var(--red); }
    .toast.warning { border-color: var(--yellow); }
    .toast .message { flex: 1; }
    .toast .undo-btn {
      background: transparent;
      border: 1px solid var(--accent);
      color: var(--accent);
      padding: 4px 12px;
      border-radius: 4px;
      cursor: pointer;
      font-size: 12px;
      font-weight: 500;
    }
    .toast .undo-btn:hover { background: var(--accent); color: #000; }
    .toast .progress {
      position: absolute;
      bottom: 0;
      left: 0;
      height: 3px;
      background: var(--accent);
      border-radius: 0 0 8px 8px;
      transition: width linear;
    }

    /* Keyboard Hints */
    .kbd-hint {
      font-size: 10px;
      color: var(--text-dim);
      opacity: 0.35;
      padding: 4px 8px;
      white-space: nowrap;
      user-select: none;
    }

    .kbd-hint-inline {
      font-size: 9px;
      color: var(--text-dim);
      opacity: 0.5;
      margin-left: 2px;
      font-family: monospace;
    }

    .kbd-hint-bar {
      padding: 6px 16px;
      font-size: 10px;
      color: var(--text-dim);
      opacity: 0.3;
      text-align: center;
      user-select: none;
      border-top: 1px solid rgba(255,255,255,0.03);
    }

    /* Auth Prompt Banner (soft, doesn't block content) */
    .auth-prompt-banner {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 16px;
      background: rgba(106, 178, 242, 0.08);
      border: 1px solid rgba(106, 178, 242, 0.2);
      border-radius: 8px;
      margin-bottom: 12px;
      font-size: 13px;
      color: var(--text);
    }
    .auth-prompt-banner .auth-prompt-icon {
      font-size: 18px;
      flex-shrink: 0;
    }
    .auth-prompt-banner .auth-prompt-text {
      flex: 1;
      color: var(--text-dim);
    }
    .auth-prompt-banner .btn-auth-login {
      background: var(--accent);
      color: #fff;
      border: none;
      padding: 6px 16px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 600;
      cursor: pointer;
      white-space: nowrap;
      flex-shrink: 0;
    }
    .auth-prompt-banner .btn-auth-login:hover {
      opacity: 0.9;
    }

    /* Auth Prompt Full (blocks content, replaces view) */
    .auth-prompt-full {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 60px 24px;
      text-align: center;
      color: var(--text-dim);
    }
    .auth-prompt-full .auth-prompt-icon {
      font-size: 48px;
      margin-bottom: 16px;
      opacity: 0.5;
    }
    .auth-prompt-full h3 {
      font-size: 16px;
      color: var(--text);
      margin: 0 0 8px;
    }
    .auth-prompt-full p {
      font-size: 13px;
      margin: 0 0 20px;
      max-width: 320px;
    }
    .auth-prompt-full .btn-auth-login {
      background: var(--accent);
      color: #fff;
      border: none;
      padding: 10px 28px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
    }
    .auth-prompt-full .btn-auth-login:hover {
      opacity: 0.9;
    }

    /* Hide auth prompts for logged-in users */
    body:not(.guest-mode) .auth-prompt-banner,
    body:not(.guest-mode) .auth-prompt-full {
      display: none !important;
    }