:root {
            --primary-color: #FF930F;
            --primary-dark: #E67E00;
            --secondary-color: #FFB84D;
            --bg-light: #FFF8F0;
            --text-primary: #111827;
            --text-secondary: #6B7280;
            --border-color: #FFE4C4;
        }

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

        .catalog-container {
            min-height: 100vh;
            background: var(--bg-light);
        }

        /* Modern Hero Section with Decorative Patterns */
        .hero-modern {
            background: linear-gradient(135deg, #FF930F 0%, #FF6B00 100%);
            padding: 60px 0 120px;
            position: relative;
            overflow: hidden;
        }

        /* Decorative Pattern Layer 1 - Dots */
        .hero-modern::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
                radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
            background-size: 60px 60px, 80px 80px, 40px 40px;
            background-position: 0 0, 40px 40px, 20px 20px;
            opacity: 0.5;
        }

        /* Decorative Pattern Layer 2 - Geometric Grid */
        .hero-modern::after {
            content: '';
            position: absolute;
            top: 0;
            left: -10%;
            width: 120%;
            height: 100%;
            background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 0 L100 50 L50 100 L0 50 Z' fill='none' stroke='rgba(255,255,255,0.1)' stroke-width='0.5'/%3E%3Ccircle cx='50' cy='50' r='20' fill='none' stroke='rgba(255,255,255,0.08)' stroke-width='0.5'/%3E%3Cpath d='M0 0 L100 100 M100 0 L0 100' stroke='rgba(255,255,255,0.05)' stroke-width='0.3'/%3E%3C/svg%3E");
            background-size: 200px 200px;
            animation: movePattern 60s linear infinite;
        }

        @keyframes movePattern {
            0% {
                transform: translateX(0) translateY(0);
            }
            100% {
                transform: translateX(200px) translateY(200px);
            }
        }

        /* Decorative Circles */
        .hero-decorative-circles {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .hero-circle {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 2px solid rgba(255, 255, 255, 0.15);
        }

        .hero-circle-1 {
            width: 300px;
            height: 300px;
            top: -100px;
            right: -50px;
            animation: float 20s ease-in-out infinite;
        }

        .hero-circle-2 {
            width: 200px;
            height: 200px;
            bottom: -50px;
            left: 10%;
            animation: float 15s ease-in-out infinite reverse;
        }

        .hero-circle-3 {
            width: 150px;
            height: 150px;
            top: 50%;
            left: -30px;
            animation: float 18s ease-in-out infinite;
        }

        .hero-circle-4 {
            width: 100px;
            height: 100px;
            top: 20%;
            right: 20%;
            animation: float 12s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0) scale(1);
            }
            50% {
                transform: translateY(-30px) scale(1.05);
            }
        }

        /* Wave Pattern at Bottom */
        .hero-wave {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            overflow: hidden;
            line-height: 0;
        }

        .hero-wave svg {
            position: relative;
            display: block;
            width: calc(100% + 1.3px);
            height: 60px;
        }

        .hero-wave .shape-fill {
            fill: var(--bg-light);
        }

        /* Decorative Lines */
        .hero-lines {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
        }

        .hero-line {
            position: absolute;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            height: 1px;
            width: 100%;
        }

        .hero-line-1 {
            top: 20%;
            animation: slideLine 8s linear infinite;
        }

        .hero-line-2 {
            top: 50%;
            animation: slideLine 10s linear infinite reverse;
        }

        .hero-line-3 {
            top: 80%;
            animation: slideLine 12s linear infinite;
        }

        @keyframes slideLine {
            0% {
                transform: translateX(-100%);
            }
            100% {
                transform: translateX(100%);
            }
        }

        .hero-content {
            position: relative;
            z-index: 10;
            text-align: center;
            color: white;
        }

        /* Logo Styling - OVAL SHAPE dengan sumbu Y lebih pendek */
        .hero-logo {
            position: relative;
            z-index: 10;
            margin: 0 auto 20px;
            width: 380px;
            height: 200px;
            background: white;
            border-radius: 50%;
            padding: 20px 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            animation: logoFloat 3s ease-in-out infinite;
            border: 6px solid rgba(255, 255, 255, 0.5);
        }

        .hero-logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        @keyframes logoFloat {
            0%, 100% {
                transform: translateY(0) scale(1);
            }
            50% {
                transform: translateY(-15px) scale(1.05);
            }
        }

        @media (max-width: 768px) {
            .hero-logo {
                width: 250px;
                height: 140px;
                margin-bottom: 30px;
                padding: 20px 30px;
            }
        }

        /* Info Ribbon - Estetik Section dengan ICON DI SAMPING */
        .info-ribbon {
            position: relative;
            z-index: 10;
            max-width: 1200px;
            margin: 0 auto 30px;
            padding: 0 20px;
        }

        .info-ribbon-scroll {
            display: flex;
            gap: 12px;
            overflow-x: auto;
            overflow-y: hidden;
            padding: 10px 0;
            scroll-behavior: smooth;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
        }

        .info-ribbon-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .info-ribbon-scroll::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
        }

        .info-ribbon-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.3);
            border-radius: 10px;
        }

        .info-ribbon-scroll::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.5);
        }

        .info-card {
            flex: 0 0 auto;
            width: 240px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 16px;
            cursor: pointer;
            transition: all 0.3s;
            border: 2px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: inherit;
        }

        .info-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
            border-color: white;
            background: white;
        }

        .info-card-icon {
            width: 56px;
            height: 56px;
            min-width: 56px;
            background: linear-gradient(135deg, #FF930F, #FF6B00);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            box-shadow: 0 4px 12px rgba(255, 147, 15, 0.3);
            transition: all 0.3s;
        }

        .info-card:hover .info-card-icon {
            transform: scale(1.1) rotate(5deg);
            box-shadow: 0 6px 20px rgba(255, 147, 15, 0.5);
        }

        .info-card-text {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .info-card-title {
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0;
        }

        .info-card-subtitle {
            color: var(--text-secondary);
            font-size: 11px;
            margin: 0;
        }

        /* Scroll Hint */
        .scroll-hint {
            text-align: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 12px;
            margin-top: 8px;
            display: none;
        }

        @media (max-width: 768px) {
            .scroll-hint {
                display: block;
            }
            .info-card {
                width: 200px;
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
        }

        .hero-subtitle {
            font-size: 1.25rem;
            opacity: 0.95;
            max-width: 600px;
            margin: 0 auto;
            text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.1);
        }

        /* Admin FAB Button */
        .admin-fab {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #FF930F, #FF6B00);
            color: white;
            border-radius: 50%;
            box-shadow: 0 8px 24px rgba(255, 147, 15, 0.4);
            transition: all 0.3s;
            text-decoration: none;
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
        }

        .admin-fab:hover {
            transform: scale(1.1) rotate(90deg);
            box-shadow: 0 12px 32px rgba(255, 147, 15, 0.6);
            color: white;
        }

        /* Alert Messages */
        .alert-success {
            max-width: 900px;
            margin: 20px auto;
            padding: 16px 20px;
            background: #10B981;
            color: white;
            border-radius: 12px;
            font-weight: 500;
            animation: slideDown 0.3s ease;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }

        .alert-success svg {
            flex-shrink: 0;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Modal Styling */
        .modal-content {
            border-radius: 16px;
            border: none;
            overflow: hidden;
        }

        .modal-header {
            background: linear-gradient(135deg, #FF930F, #FF6B00);
            color: white;
            padding: 20px 24px;
            border: none;
        }

        .modal-title {
            font-weight: 700;
            font-size: 1.25rem;
        }

        .modal-header .btn-close {
            filter: brightness(0) invert(1);
            opacity: 1;
        }

        .modal-body {
            padding: 24px;
            background: #fff;
        }

        .modal-body img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .modal-footer {
            border: none;
            padding: 16px 24px;
            background: #f8f9fa;
        }

        /* Search Card */
        .search-card {
            max-width: 900px;
            margin: -60px auto 40px;
            background: white;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            padding: 40px;
            position: relative;
            z-index: 10;
        }

        .search-input-group {
            display: flex;
            gap: 12px;
            margin-bottom: 24px;
        }

        .search-input {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            font-size: 16px;
            transition: all 0.3s;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 4px rgba(255, 147, 15, 0.1);
        }

        .search-btn {
            padding: 14px 32px;
            background: linear-gradient(135deg, #FF930F, #FF6B00);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .search-btn:hover {
            background: linear-gradient(135deg, #E67E00, #D96800);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 147, 15, 0.3);
        }

        /* Category Pills */
        .category-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .category-pill {
            padding: 8px 18px;
            background: white;
            border: 2px solid var(--border-color);
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .category-pill:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            background: rgba(255, 147, 15, 0.05);
        }

        .category-pill.active {
            background: linear-gradient(135deg, #FF930F, #FF6B00);
            color: white;
            border-color: var(--primary-color);
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            max-width: 900px;
            margin: 0 auto 40px;
            padding: 0 20px;
        }

        .stat-card-modern {
            background: white;
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            transition: transform 0.3s;
            border: 1px solid rgba(255, 147, 15, 0.1);
        }

        .stat-card-modern:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(255, 147, 15, 0.15);
        }

        .stat-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #FF930F, #FF6B00);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: white;
            font-size: 20px;
        }

        .stat-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
        }

        /* Book Cards Modern */
        .books-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .books-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        .books-count {
            font-size: 18px;
            color: var(--text-primary);
            font-weight: 600;
        }

        .books-grid-modern {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
            margin-bottom: 40px;
        }

        .book-card-modern {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            transition: all 0.3s;
            position: relative;
            border: 1px solid rgba(255, 147, 15, 0.1);
        }

        .book-card-modern:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 32px rgba(255, 147, 15, 0.2);
        }

        .book-card-header {
            background: linear-gradient(135deg, #FF930F 0%, #FF6B00 100%);
            padding: 20px;
            position: relative;
        }

        .book-number {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(255, 255, 255, 0.25);
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .book-title-modern {
            color: white;
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .book-card-body {
            padding: 20px;
        }

        .book-meta {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .book-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .book-category-badge {
            display: inline-block;
            background: linear-gradient(135deg, #FF930F 0%, #FF6B00 100%);
            color: white;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-top: 12px;
        }

        /* Book Actions (Admin) */
        .book-actions {
            display: flex;
            gap: 8px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
        }

        .btn-edit,
        .btn-delete {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .btn-edit {
            background: #3B82F6;
            color: white;
        }

        .btn-edit:hover {
            background: #2563EB;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
            color: white;
        }

        .btn-delete {
            background: #EF4444;
            color: white;
        }

        .btn-delete:hover {
            background: #DC2626;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
        }

        /* Advanced Search */
        .advanced-panel {
            background: #FFF8F0;
            border-radius: 12px;
            padding: 20px;
            margin-top: 20px;
            display: none;
            border: 1px solid var(--border-color);
        }

        .advanced-panel.show {
            display: block;
        }

        .advanced-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }

        .form-group-modern {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-label-modern {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
        }

        .form-input-modern {
            padding: 10px 14px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            transition: all 0.3s;
        }

        .form-input-modern:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(255, 147, 15, 0.1);
        }

        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
        }

        .empty-icon {
            width: 120px;
            height: 120px;
            margin: 0 auto 24px;
            opacity: 0.3;
        }

        .empty-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .empty-desc {
            color: var(--text-secondary);
            font-size: 16px;
        }

        /* Loading State */
        .loading-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.9);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }

        .loading-overlay.show {
            display: flex;
        }

        .loading-spinner {
            width: 48px;
            height: 48px;
            border: 4px solid var(--border-color);
            border-top-color: var(--primary-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        /* Pagination Styling - Orange Theme */
        .paginasi {
            margin: 40px 0;
        }

        .paginasi .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
            list-style: none;
        }

        .paginasi .pagination li {
            list-style: none;
        }

        .paginasi .page-link {
            padding: 10px 16px;
            background: white;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 500;
            font-size: 14px;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            min-height: 44px;
            line-height: 1.5;
        }

        .paginasi .page-link svg,
        .pagination svg,
        nav[aria-label="Pagination Navigation"] svg {
            width: 16px !important;
            height: 16px !important;
            max-width: 16px !important;
            max-height: 16px !important;
            min-width: 16px !important;
            min-height: 16px !important;
            display: inline-block !important;
            flex-shrink: 0 !important;
        }

        .paginasi .page-link:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            background: rgba(255, 147, 15, 0.05);
        }

        .paginasi .page-item.active .page-link {
            background: linear-gradient(135deg, #FF930F, #FF6B00);
            color: white;
            border-color: var(--primary-color);
        }

        .paginasi .page-item.disabled .page-link {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
            background: #f5f5f5;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }

            .search-card {
                padding: 24px;
                margin: -40px 20px 40px;
            }

            .search-input-group {
                flex-direction: column;
            }

            .books-grid-modern {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .admin-fab {
                bottom: 20px;
                right: 20px;
                width: 56px;
                height: 56px;
            }

            .books-header {
                flex-direction: column;
                gap: 16px;
                align-items: flex-start;
            }

            .paginasi .page-link {
                min-width: 36px;
                min-height: 36px;
                padding: 8px 12px;
                font-size: 13px;
            }

            .paginasi .page-link svg {
                width: 14px !important;
                height: 14px !important;
            }

            .hero-circle-1,
            .hero-circle-3 {
                display: none;
            }

            .info-card {
                width: 200px;
            }
        }