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

        :root {
            --primary-blue: #263d82;
            --secondary-blue: #0093d0;
            --accent-orange: #f08619;
            --bg: #f7f8fb;
            --card: #ffffff;
            --text-dark: #222;
            --muted: #666;
            --success: #10b981;
            --danger: #ef4444;
        }

        /* PERUBAHAN: Menambahkan proteksi visual untuk tombol admin */
        #adminTab {
            display: none;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg);
            color: var(--text-dark);
            line-height: 1.5;
        }

        .top-bar {
            background: var(--primary-blue);
            color: #fff;
            padding: 8px 0;
            font-size: 13px;
        }

        .top-bar .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* --- STYLES BARU UNTUK LANGUAGE SWITCHER --- */
        .language-switcher {
            position: relative;
            display: inline-block;
        }

        .lang-button {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 4px 10px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: background 0.2s, border-color 0.2s;
        }

        .lang-button:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: #fff;
        }

        .lang-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            background: var(--card);
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            min-width: 120px;
            margin-top: 5px;
            overflow: hidden;
            z-index: 1001;
            display: none;
        }

        .lang-dropdown.show {
            display: block;
        }

        .lang-item {
            padding: 10px 15px;
            cursor: pointer;
            color: var(--text-dark);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .lang-item:hover {
            background: var(--bg);
            color: var(--secondary-blue);
        }

        .lang-item.active {
            background: var(--secondary-blue);
            color: #fff;
            font-weight: 600;
        }
        /* ----------------------------------------------- */


        header {
            background: var(--card);
            box-shadow: 0 2px 10px rgba(0,0,0,0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-section {
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
        }

    .logo-mark {
    /* Ukuran logo di header biasanya kecil, misalnya 45px */
    width: 50px; 
    height: auto;
    aspect-ratio: 1/1; 
    background-image: url('logo\ uin\ transparant.png');
    background-size: contain; 
    background-position: center; 
    background-repeat: no-repeat; 
    
    }

        .nav-links {
            display: flex;
            gap: 24px;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s;
            cursor: pointer;
        }

        .nav-links a:hover {
            color: var(--secondary-blue);
        }

        /* User Menu Styles */
        .user-menu {
            position: relative;
        }

        .user-avatar {
            width: 40px;
            height: 40px;
            background: var(--secondary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }

        .user-avatar:hover {
            background: var(--primary-blue);
            transform: scale(1.05);
        }

        .user-dropdown {
            position: absolute;
            top: 50px;
            right: 0;
            background: var(--card);
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            min-width: 200px;
            display: none;
            z-index: 1000;
        }

        .user-dropdown.show {
            display: block;
        }

        .user-dropdown-item {
            padding: 12px 20px;
            cursor: pointer;
            transition: background 0.2s;
            border-bottom: 1px solid #f0f0f0;
        }

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

        .user-dropdown-item:hover {
            background: #f7f8fb;
        }

        .btn-login {
            padding: 10px 20px;
            background: var(--secondary-blue);
            color: #fff;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }

        .btn-login:hover {
            background: var(--primary-blue);
            transform: translateY(-2px);
        }

        .hero {
            background: url(./Perpus\ Wallpaper.png) no-repeat center center;
            background-size: cover;
            color: #fff;
            padding: 80px 20px;
        }

        .hero .container {
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .search-section {
            max-width: 1200px;
            margin: -60px auto 60px;
            padding: 0 20px;
            position: relative;
            z-index: 10;
        }

        .search-tabs {
            background: var(--card);
            border-radius: 15px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.12);
            overflow: hidden;
        }

        .tab-buttons {
            display: flex;
            background: #f1f5f9;
            border-bottom: 2px solid #e0e0e0;
        }

        .tab-btn {
            flex: 1;
            padding: 18px;
            border: none;
            background: transparent;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            transition: all 0.3s;
            text-align: center;
        }

        .tab-btn.active {
            background: var(--card);
            color: var(--secondary-blue);
            border-bottom: 3px solid var(--secondary-blue);
        }

        .tab-content {
            padding: 30px;
            display: none;
        }

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

        .search-form {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
        }

        .search-form input {
            flex: 1;
            padding: 14px 18px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 15px;
            transition: border 0.3s;
        }

        .search-form input:focus {
            outline: none;
            border-color: var(--secondary-blue);
        }

        .search-form button {
            padding: 14px 30px;
            background: var(--secondary-blue);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }

        .search-form button:hover {
            background: var(--primary-blue);
            transform: translateY(-2px);
        }

        .search-results {
            margin-top: 20px;
            display: none;
        }

        .search-results.show {
            display: block;
        }

        .result-item {
            background: var(--bg);
            padding: 16px;
            margin-bottom: 10px;
            border-radius: 10px;
            border-left: 4px solid var(--secondary-blue);
            cursor: pointer;
            transition: all 0.3s;
        }

        .result-item:hover {
            transform: translateX(8px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }

        .result-item h4 {
            color: var(--primary-blue);
            margin-bottom: 6px;
            font-size: 16px;
        }

        .result-item p {
            color: var(--muted);
            font-size: 14px;
        }

        .quick-access {
            max-width: 1200px;
            margin: 60px auto;
            padding: 0 20px;
        }

        .quick-access h2 {
            text-align: center;
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 50px;
            font-weight: 800;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }

        .service-card {
            background: var(--card);
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            text-align: center;
            transition: all 0.3s;
            cursor: pointer;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }

        .service-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: #fff;
        }

        .service-card h3 {
            color: var(--primary-blue);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .service-card p {
            color: var(--muted);
            font-size: 14px;
        }

        .news-section {
            background: transparent;
            padding: 60px 20px;
        }

        .news-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .news-section h2 {
            text-align: center;
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 50px;
            font-weight: 800;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .news-card {
            background: var(--card);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            transition: all 0.3s;
            cursor: pointer;
        }

        .news-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.15);
        }

        .news-icon {
            width: 100%;
            height: 180px;
            background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 60px;
        }

        .news-content {
            padding: 24px;
        }

        .news-date {
            color: var(--secondary-blue);
            font-size: 13px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .news-card h3 {
            color: var(--primary-blue);
            margin-bottom: 12px;
            font-weight: 700;
            line-height: 1.4;
        }

        footer {
            background: var(--primary-blue);
            color: #fff;
            padding: 60px 20px 30px;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-section h3 {
            margin-bottom: 20px;
            font-size: 1.3rem;
            font-weight: 700;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section li {
            margin-bottom: 10px;
        }

        .footer-section a {
            color: #fff;
            text-decoration: none;
            opacity: 0.85;
            transition: opacity 0.3s;
        }

        .footer-section a:hover {
            opacity: 1;
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.2);
            text-align: center;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 200;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .modal.show {
            display: flex;
        }

        .modal-content {
            background: var(--card);
            padding: 40px;
            border-radius: 15px;
            max-width: 900px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            border-bottom: 2px solid #f1f5f9;
            padding-bottom: 15px;
        }

        .modal-header h2 {
            color: var(--primary-blue);
            font-weight: 800;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: var(--muted);
            transition: color 0.3s;
        }

        .close-btn:hover {
            color: var(--danger);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 14px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 15px;
            transition: border 0.3s;
            font-family: inherit;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--secondary-blue);
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .btn-primary {
            padding: 12px 28px;
            background: var(--secondary-blue);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-primary:hover {
            background: var(--primary-blue);
            transform: translateY(-2px);
        }

        .btn-secondary {
            padding: 12px 28px;
            background: transparent;
            color: var(--text-dark);
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            margin-left: 10px;
        }

        .btn-secondary:hover {
            background: #f1f5f9;
        }

        .btn-danger {
            padding: 10px 20px;
            background: var(--danger);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .alert {
            padding: 16px 20px;
            border-radius: 10px;
            margin-bottom: 20px;
            border-left: 4px solid;
        }

        .alert-success {
            background: #d1fae5;
            color: #065f46;
            border-color: var(--success);
        }

        .alert-info {
            background: #dbeafe;
            color: #1e40af;
            border-color: var(--secondary-blue);
        }

        .muted {
            color: var(--muted);
            font-size: 14px;
        }

        /* Kelola Data Styles */
        .manage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .manage-card {
            background: #f9fafb;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid #e5e7eb;
        }

        .manage-card h4 {
            color: var(--primary-blue);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .data-list {
            max-height: 300px;
            overflow-y: auto;
        }

        .data-item {
            padding: 12px;
            background: var(--card);
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .data-item-header {
            display: flex;
            justify-content: space-between;
            align-items: start;
            gap: 10px;
        }

        .data-item-title {
            font-weight: 700;
            color: var(--text-dark);
            font-size: 14px;
            flex: 1;
        }

        .data-item-actions {
            display: flex;
            gap: 6px;
        }

        .btn-small {
            padding: 6px 12px;
            font-size: 12px;
            border-radius: 6px;
            border: 1px solid #e0e0e0;
            background: var(--card);
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-small:hover {
            background: #f1f5f9;
        }
        
        /* Profile and Staff Styles */
        .profile-section {
            background: var(--card);
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }

        .profile-header {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 25px;
            padding-bottom: 20px;
            border-bottom: 2px solid #f1f5f9;
        }

        .profile-avatar-large {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 32px;
            font-weight: 800;
        }

        .profile-info h3 {
            color: var(--primary-blue);
            font-weight: 700;
            margin-bottom: 5px;
        }

        .info-grid {
            display: grid;
            grid-template-columns: 150px 1fr;
            gap: 15px;
        }

        .info-label {
            color: var(--primary-blue);
            font-weight: 700;
        }

        .staff-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .staff-card {
            background: var(--card);
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            text-align: center;
            transition: all 0.3s;
        }

        .staff-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
        }

        /* Staff Avatar with gradient and shimmer effect */
        .staff-avatar {
            width: 90px;
            height: 90px;
            margin: 0 auto 15px;
            background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            box-shadow: 0 8px 20px rgba(38, 61, 130, 0.3);
            border: 4px solid #fff;
            position: relative;
            overflow: hidden;
        }

        .staff-avatar::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
            transform: rotate(45deg);
            animation: shimmer 3s infinite;
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
            100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
        }

        .staff-avatar-img {
            width: 90px; 
            height: 90px;
            border-radius: 50%;
            object-fit: cover; 
            display: block; 
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 15px;
            border: 4px solid #fff;
            box-shadow: 0 8px 20px rgba(38, 61, 130, 0.3);
        }

        .staff-card h4 {
            color: var(--primary-blue);
            font-weight: 700;
            margin-bottom: 5px;
        }

        .staff-card p {
            color: var(--muted);
            font-size: 14px;
        }
        
        /* Auth Tabs Styles */
        .auth-tabs {
            display: flex;
            gap: 10px;
            margin-bottom: 25px;
        }

        .auth-tab {
            flex: 1;
            padding: 12px;
            background: #f1f5f9;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 700;
            color: var(--text-dark);
            transition: all 0.3s;
        }

        .auth-tab.active {
            background: var(--secondary-blue);
            color: #fff;
        }

        .auth-content {
            display: none;
        }

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


        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .tab-buttons {
                flex-wrap: wrap;
            }

            .tab-btn {
                flex: 1 1 50%;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .modal-content {
                padding: 24px;
            }

            .manage-grid {
                grid-template-columns: 1fr;
            }

            .info-grid {
                grid-template-columns: 1fr;
            }

            .staff-grid {
                grid-template-columns: 1fr;
            }
        }