* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* Toast Notifications */
        #toastContainer {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 10000;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .toast {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            opacity: 0;
            transform: translateX(400px);
            transition: all 0.3s ease;
            white-space: nowrap;
            max-width: 400px;
        }

        .toast.show {
            opacity: 1;
            transform: translateX(0);
        }

        .toast-success {
            background-color: #d4edda;
            color: #155724;
            border-left: 4px solid #28a745;
        }

        .toast-error {
            background-color: #f8d7da;
            color: #721c24;
            border-left: 4px solid #dc3545;
        }

        .toast-warning {
            background-color: #fff3cd;
            color: #856404;
            border-left: 4px solid #ffc107;
        }

        .toast-info {
            background-color: #d1ecf1;
            color: #0c5460;
            border-left: 4px solid #17a2b8;
        }

        .toast i {
            font-size: 18px;
            flex-shrink: 0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background-color: #f1f2f2;
        }

        .navbar {
            background-color: #2777b9;
            padding: 0 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .logo {
            font-size: 28px;
            font-weight: bold;
            color: white;
            text-decoration: none;
            font-family: Georgia, serif;
        }

        .nav-menu {
            display: flex;
            gap: 25px;
            align-items: center;
            list-style: none;
        }

        .nav-link {
            color: white;
            text-decoration: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            padding: 8px 12px;
            border-radius: 4px;
            transition: background-color 0.2s;
        }

        .nav-link:hover {
            background-color: rgba(255,255,255,0.1);
        }

        .nav-link.active {
            background-color: rgba(255,255,255,0.15);
        }

        .nav-link i {
            font-size: 20px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .search-box {
            position: relative;
        }

        .search-input {
            background-color: rgba(255,255,255,0.2);
            border: none;
            border-radius: 4px;
            padding: 8px 35px 8px 15px;
            color: white;
            width: 450px;
            outline: none;
            font-size: 14px;
        }

        .search-input::placeholder {
            color: rgba(255,255,255,0.7);
        }

        .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255,255,255,0.8);
        }

        .icon-btn {
            background: none;
            border: none;
            color: white;
            font-size: 20px;
            cursor: pointer;
            padding: 8px;
            border-radius: 50%;
            transition: background-color 0.2s;
        }

        .icon-btn:hover {
            background-color: rgba(255,255,255,0.1);
        }

        .profile-btn {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: #6c757d;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: white;
            font-weight: 600;
            font-size: 14px;
            border: none;
            transition: background-color 0.2s;
        }
        
        .profile-btn:hover {
            opacity: 0.8;
        }

        .add-btn {
            background-color: hsl(0, 0%, 89%);
            color: rgb(0, 0, 0);
            border: none;
            border-radius: 20px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: background-color 0.2s;
        }

        .add-btn:hover {
            background-color: #d0d0d0;
        }

        .main-content {
            margin-top: 80px;
            max-width: 1400px;
            margin-left: auto;
            margin-right: auto;
            padding: 20px;
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 20px;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .sidebar-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .sidebar-header {
            padding: 15px 20px;
            border-bottom: 1px solid #e0e0e0;
            font-weight: 600;
            color: #333;
            font-size: 16px;
        }

        .sidebar-menu {
            list-style: none;
        }

        .sidebar-menu-item {
            padding: 12px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: background-color 0.2s;
            color: #333;
            text-decoration: none;
            border-left: 3px solid transparent;
        }

        .sidebar-menu-item:hover {
            background-color: #f0f0f0;
        }

        .sidebar-menu-item.active {
            background-color: #e8f3fc;
            border-left-color: #2777b9;
            color: #2777b9;
        }

        .sidebar-menu-item i {
            font-size: 20px;
            width: 24px;
            text-align: center;
        }

        .sidebar-menu-item span {
            font-size: 14px;
        }

        .sidebar-menu-item .arrow {
            margin-left: auto;
            color: #666;
        }

        /* Content Area */
        .content-area {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .page-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }

        .page-title {
            font-size: 24px;
            font-weight: 600;
            color: #333;
        }

        .view-all-link {
            color: #2777b9;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
        }

        .view-all-link:hover {
            text-decoration: underline;
        }

        /* Empty State */
        .empty-state {
            background: white;
            border-radius: 8px;
            padding: 60px 40px;
            text-align: center;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .empty-state-icon {
            font-size: 80px;
            color: #ccc;
            margin-bottom: 20px;
        }

        .empty-state-title {
            font-size: 20px;
            font-weight: 600;
            color: #333;
            margin-bottom: 10px;
        }

        .empty-state-text {
            font-size: 14px;
            color: #666;
            margin-bottom: 25px;
            line-height: 1.5;
        }

        .empty-state-btn {
            background-color: #2777b9;
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .empty-state-btn:hover {
            background-color: #1e5f8c;
        }

        /* Friend Request Card (for when there are requests) */
        .friend-requests-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 15px;
        }

        .friend-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .friend-card-image {
            width: 100%;
            height: 280px;
            object-fit: cover;
            background-color: #e0e0e0;
        }

        .friend-card-content {
            padding: 15px;
        }

        .friend-card-name {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin-bottom: 5px;
        }

        .friend-card-meta {
            font-size: 12px;
            color: #666;
            margin-bottom: 15px;
        }

        .friend-card-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .btn-confirm {
            background-color: #2777b9;
            color: white;
            border: none;
            padding: 10px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .btn-confirm:hover {
            background-color: #1e5f8c;
        }

        .btn-delete {
            background-color: #f0f0f0;
            color: #666;
            border: none;
            padding: 10px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .btn-delete:hover {
            background-color: #e0e0e0;
        }

        /* Tab System */
        .tabs-container {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            overflow: hidden;
        }

        .tabs-header {
            display: flex;
            border-bottom: 1px solid #e0e0e0;
        }

        .tab-button {
            flex: 1;
            padding: 15px 20px;
            background: none;
            border: none;
            font-size: 14px;
            font-weight: 500;
            color: #666;
            cursor: pointer;
            transition: all 0.3s;
            border-bottom: 3px solid transparent;
        }

        .tab-button:hover {
            background-color: #f5f5f5;
        }

        .tab-button.active {
            color: #2777b9;
            border-bottom-color: #2777b9;
        }

        .tabs-content {
            padding: 20px;
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        /* Search Section */
        .search-section {
            margin-bottom: 20px;
        }

        .search-box-container {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }

        #friendSearchInput {
            flex: 1;
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 24px;
            font-size: 14px;
            outline: none;
            transition: border-color 0.3s;
        }

        #friendSearchInput:focus {
            border-color: #2777b9;
        }

        .btn-search {
            background-color: #2777b9;
            color: white;
            border: none;
            padding: 10px 24px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-search:hover {
            background-color: #1e5f8c;
        }

        /* Friend Cards Grid */
        #searchResultsContainer,
        #incomingRequestsContainer,
        #friendsListContainer {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        /* Friend Card - New Style */
        .friend-card {
            background: white;
            border-radius: 8px;
            padding: 15px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            transition: all 0.3s;
        }

        .friend-card:hover {
            box-shadow: 0 4px 8px rgba(0,0,0,0.15);
        }

        .friend-info {
            display: flex;
            align-items: center;
            gap: 15px;
            flex: 1;
        }

        .friend-avatar {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #2777b9, #1e5f8c);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            flex-shrink: 0;
        }

        .friend-details {
            flex: 1;
        }

        .friend-username {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin: 0;
            margin-bottom: 4px;
        }

        .friend-nisn {
            font-size: 13px;
            color: #666;
            margin: 0;
        }

        .friend-action {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        /* Buttons */
        .btn {
            padding: 8px 16px;
            border: none;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .btn-add {
            background-color: #2777b9;
            color: white;
        }

        .btn-add:hover {
            background-color: #1e5f8c;
        }

        .btn-success {
            background-color: #28a745;
            color: white;
        }

        .btn-success:hover {
            background-color: #218838;
        }

        .btn-danger {
            background-color: #dc3545;
            color: white;
        }

        .btn-danger:hover {
            background-color: #c82333;
        }

        .btn-pending {
            background-color: #ffc107;
            color: #333;
            cursor: not-allowed;
        }

        .btn-received {
            background-color: #17a2b8;
            color: white;
        }

        .btn-received:hover {
            background-color: #138496;
        }

        .btn-friend {
            background-color: #6c757d;
            color: white;
            cursor: not-allowed;
        }

        .btn-blocked {
            background-color: #6c757d;
            color: white;
            cursor: not-allowed;
        }

        .btn-small {
            padding: 6px 12px;
            font-size: 12px;
        }

        .btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }

        /* Request Card */
        .request-card {
            background: white;
            border-radius: 8px;
            padding: 15px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            border-left: 4px solid #ffc107;
        }

        .request-info {
            display: flex;
            align-items: center;
            gap: 15px;
            flex: 1;
        }

        .request-details {
            flex: 1;
        }

        .request-details h3 {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin: 0 0 4px 0;
        }

        .request-details p {
            margin: 4px 0;
            font-size: 13px;
        }

        .text-muted {
            color: #666;
        }

        .text-small {
            font-size: 12px;
        }

        .request-actions {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        /* Empty Search State */
        .empty-search-state {
            text-align: center;
            padding: 40px;
            color: #999;
        }

        .empty-search-state i {
            font-size: 48px;
            margin-bottom: 10px;
            display: block;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }

            .sidebar {
                display: none;
            }

            .tabs-header {
                flex-wrap: wrap;
            }

            .tab-button {
                flex: 1 1 auto;
                padding: 12px 15px;
                font-size: 12px;
            }

            .friend-card {
                flex-direction: column;
                align-items: flex-start;
            }

            .friend-action {
                width: 100%;
                justify-content: flex-start;
            }

            .search-box-container {
                flex-direction: column;
            }

            .btn-search {
                width: 100%;
                justify-content: center;
            }

            #friendSearchInput {
                width: 100%;
            }

            .request-card {
                flex-direction: column;
                align-items: flex-start;
            }

            .request-actions {
                width: 100%;
                margin-top: 10px;
            }

            .request-actions .btn {
                flex: 1;
                justify-content: center;
            }
        }