body { background-color: #f8f9fa; }
        .container-global { max-width: 1200px; margin: 0 auto; padding: 2rem 1rem; }
        .login-prompt {
            background: linear-gradient(135deg, #fff3cd, #ffeaa7);
            border: 1px solid #ffecb3;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        .login-prompt i { font-size: 2.5rem; color: #856404; }
        .login-prompt h5 { color: #856404; margin-bottom: 0.75rem; }
        .suggestion-card {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
            transition: all 0.25s ease;
            background: white;
        }
        .suggestion-card:hover { transform: translateY(-6px); box-shadow: 0 12px 28px rgba(0,0,0,0.12); }
        .user-header {
            padding: 12px 16px;
            background: linear-gradient(90deg, #0d6efd, #0b5ed7);
            color: white;
            font-size: 0.9rem;
        }
        .user-header img { width: 42px; height: 42px; object-fit: cover; border: 2px solid white; }
        .carousel-inner img { height: 180px; object-fit: cover; }
        .card-body { padding: 1.25rem; }
        .card-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.6rem; }
        .card-text {
            font-size: 0.92rem;
            color: #555;
            line-height: 1.45;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .category-tag, .college-tag {
            font-size: 0.9rem;
            color: #0d6efd;
            cursor: pointer;
            transition: color 0.2s;
            text-decoration: none;
        }
        .category-tag:hover, .college-tag:hover { color: #0056b3; text-decoration: underline; }
        .college-tag { color: #6c757d; }
        .action-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
        }
        .like-btn {
            cursor: pointer;
            user-select: none;
            transition: transform 0.2s;
        }
        .like-btn:hover { transform: scale(1.1); }
        .liked .fa-heart { color: #dc3545; }
        .pagination .page-link { color: #0d6efd; }
        .pagination .page-item.active .page-link { background-color: #0d6efd; border-color: #0d6efd; }
        .filter-section {
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.06);
            margin-bottom: 2rem;
            padding: 1.25rem;
        }
        .active-filter-badge {
            font-size: 0.85rem;
            margin-right: 0.5rem;
        }
        .nav-tabs .nav-link {
            font-weight: 600;
            padding: 0.85rem 1.5rem;
            border: none;
            border-bottom: 3px solid transparent;
        }
        .nav-tabs .nav-link.active {
            color: #0d6efd;
            border-bottom: 3px solid #0d6efd;
            background-color: transparent;
        }
        .nav-tabs .nav-link:hover {
            border-bottom: 3px solid #0d6efd;
        }
    
        .add-content-btn {
            position: relative;
            padding: 10px 25px;
            font-weight: 600;
            font-size: 0.95rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            border-radius: 8px;
            color: white;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
            overflow: hidden;
        }

        .add-content-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
            color: white;
        }

        .add-content-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s;
        }

        .add-content-btn:hover::before {
            left: 100%;
        }

        .add-content-btn .btn-icon {
            font-size: 1.1rem;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.1);
            }
        }

        .add-content-btn .btn-divider {
            height: 20px;
            width: 1px;
            background: rgba(255, 255, 255, 0.3);
            margin: 0 5px;
        }

        .top-action-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            gap: 15px;
        }

        .top-action-bar h3 {
            margin: 0;
        }

        .action-buttons {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .top-action-bar {
                flex-direction: column;
                align-items: stretch;
            }

            .action-buttons {
                justify-content: center;
            }

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

        /* Highlight animation for logged-in users */
        .add-content-btn.highlight {
            animation: highlightPulse 2s ease-in-out infinite;
        }

        @keyframes highlightPulse {
            0%, 100% {
                box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
            }
            50% {
                box-shadow: 0 4px 25px rgba(102, 126, 234, 0.6), 0 0 30px rgba(102, 126, 234, 0.4);
            }
        }