/* Page-level overrides */
        body { overflow-x: hidden; }

        /* Topbar breadcrumb */
        .topbar {
            position: fixed;
            top: 0; left: 0; right: 0;
            height: 52px;
            background: var(--primary-color);
            display: flex;
            align-items: center;
            padding: 0 20px;
            z-index: 1100;
            gap: 16px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
        }

        .topbar-back {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #cbd5e1;
            text-decoration: none;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 6px;
            transition: all 0.2s ease;
            border: 1px solid rgba(255,255,255,0.12);
            flex-shrink: 0;
        }
        .topbar-back:hover {
            background: rgba(255,255,255,0.08);
            color: white;
        }
        .topbar-back svg {
            width: 16px; height: 16px;
            stroke: currentColor; fill: none;
            stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
        }

        .topbar-sep {
            color: #475569;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .topbar-crumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: white;
            font-weight: 500;
            overflow: hidden;
        }

        .topbar-dot {
            width: 8px; height: 8px;
            border-radius: 50%;
            background: var(--page-accent, #3b82f6);
            flex-shrink: 0;
        }

        .topbar-title {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Nav toggle repositioned below topbar */
        .nav-toggle {
            top: 62px !important;
        }
        .nav-toggle.active {
            left: 300px !important;
        }

        /* Navigation sidebar */
        .navigation {
            top: 52px !important;
            height: calc(100vh - 52px) !important;
        }

        /* Main content below topbar */
        .container {
            margin-top: 52px;
        }

        /* Remove the old header if present */
        .page-header {
            padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-md);
            border-bottom: 1px solid var(--border-color);
            background: var(--bg-primary);
        }
        .page-header-tag {
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--page-accent, #3b82f6);
            margin-bottom: 6px;
        }
        .page-header h1 {
            font-size: 2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }