/* Page Layout */
        .page-container {
            max-width: 800px;
            margin: 0 auto;
            padding: 2rem;
        }

        /* Page Header */
        .page-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        /* Now a <button>, not an <a href="javascript:...">, because a javascript:
           URL is script and the page's CSP blocks it. These four declarations
           undo the differing user-agent defaults a button brings. */
        .back-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            padding: 0;
            font: inherit;
            cursor: pointer;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 8px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: background-color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
        }

        .back-btn:hover {
            background: var(--hover-bg);
            color: var(--text-primary);
        }

        .back-btn svg {
            width: 20px;
            height: 20px;
        }

        .page-title {
            font-size: 2.25rem;
            font-weight: 300;
            letter-spacing: -0.02em;
            color: var(--text-primary);
        }

        .page-subtitle {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        /* Search/Filter */
        .search-filter {
            margin-bottom: 1.5rem;
        }

        .filter-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--card-border);
            border-radius: 8px;
            font-size: 1rem;
            background: var(--card-bg);
        }

        .filter-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
        }

        /* Connections List */
        .invitations { margin-bottom: 1.5rem; }
.invitations-title { font-size: 1.05rem; font-weight: 700; margin: 0 0 0.6rem; color: var(--text-primary); }
.invitation-message { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; font-style: italic; }

.connections-container {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            overflow: hidden;
        }

        .connection-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            border-bottom: 1px solid var(--surface-3);
            transition: background var(--dur-base) var(--ease);
        }

        .connection-item:last-child {
            border-bottom: none;
        }

        .connection-item:hover {
            background: var(--surface-2);
        }

        .connection-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--accent-fg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 500;
            flex-shrink: 0;
            overflow: hidden;
        }

        .connection-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .connection-info {
            flex: 1;
            min-width: 0;
        }

        .connection-name {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-primary);
            text-decoration: none;
            display: block;
        }

        .connection-name:hover {
            color: var(--text-primary);
        }

        .connection-title {
            font-size: 0.875rem;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .connection-meta {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-top: 0.25rem;
        }

        .connection-actions {
            display: flex;
            gap: 0.5rem;
        }

        .btn-secondary {
            padding: 0.5rem 1rem;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: 6px;
            font-size: 0.875rem;
            color: var(--text-body);
            cursor: pointer;
            transition: background-color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
        }

        .btn-secondary:hover {
            background: var(--hover-bg);
            border-color: var(--accent);
        }

        .btn-danger {
            padding: 0.5rem 1rem;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: 6px;
            font-size: 0.875rem;
            color: var(--danger);
            cursor: pointer;
            transition: background-color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
        }

        .btn-danger:hover {
            background: var(--danger-tint);
            border-color: var(--danger);
        }

        /* Empty State */
        .empty-state {
            padding: 4rem 2rem;
            text-align: center;
        }

        .empty-icon {
            width: 64px;
            height: 64px;
            background: var(--hover-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
        }

        .empty-icon svg {
            width: 28px;
            height: 28px;
            color: var(--text-secondary);
        }

        .empty-title {
            font-size: 1.125rem;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .empty-text {
            font-size: 0.9375rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        .btn-primary {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            background: var(--accent);
            color: var(--accent-fg);
            border: none;
            border-radius: 6px;
            font-size: 0.9375rem;
            font-weight: 500;
            text-decoration: none;
            cursor: pointer;
            transition: background-color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
        }

        /* Loading */
        .loading-state {
            padding: 3rem;
            text-align: center;
        }

        /* Toast */
        .toast {
            position: fixed;
            top: 5rem;
            right: 1rem;
            padding: 0.875rem 1.25rem;
            border-radius: 8px;
            z-index: 10000;
            animation: slideIn 0.3s ease-out;
        }

        .toast.success { background: var(--success); color: var(--accent-fg); }
        .toast.error { background: var(--danger); color: var(--accent-fg); }

        @keyframes slideIn {
            from { opacity: 0; transform: translateX(100%); }
            to { opacity: 1; transform: translateX(0); }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .page-container {
                padding: 1rem;
            }

            .connection-actions {
                flex-direction: column;
            }

            .connection-item {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 480px) {
            .page-header {
                flex-wrap: wrap;
            }

            .connection-actions {
                width: 100%;
                margin-top: 0.75rem;
            }

            .connection-actions button {
                flex: 1;
            }
        }