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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
            background-size: 400% 400%;
            animation: gradientShift 15s ease infinite;
            min-height: 100vh;
            overflow-x: hidden;
        }

        @keyframes gradientShift {
            0% {
                background-position: 0% 50%;
            }

            50% {
                background-position: 100% 50%;
            }

            100% {
                background-position: 0% 50%;
            }
        }

        /* Enhanced Animated Background with Particles */
        .bg-animation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }

        .particle {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.6);
            animation: particleFloat 20s infinite ease-in-out;
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
        }

        @keyframes particleFloat {

            0%,
            100% {
                transform: translate(0, 0) scale(1);
                opacity: 0.3;
            }

            25% {
                transform: translate(100px, -100px) scale(1.2);
                opacity: 0.6;
            }

            50% {
                transform: translate(-50px, -200px) scale(0.8);
                opacity: 0.4;
            }

            75% {
                transform: translate(150px, -100px) scale(1.1);
                opacity: 0.7;
            }
        }

        .floating-shape {
            position: absolute;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
            animation: float 20s infinite ease-in-out;
            backdrop-filter: blur(5px);
        }

        @keyframes float {

            0%,
            100% {
                transform: translate(0, 0) rotate(0deg) scale(1);
            }

            25% {
                transform: translate(50px, -50px) rotate(90deg) scale(1.1);
            }

            50% {
                transform: translate(-30px, -100px) rotate(180deg) scale(0.9);
            }

            75% {
                transform: translate(70px, -50px) rotate(270deg) scale(1.05);
            }
        }

        /* Login Page Styles */
        .login-container {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }

        .login-box {
            background: rgba(255, 255, 255, 0.95);
            padding: 50px 40px;
            border-radius: 30px;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 420px;
            animation: slideIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            backdrop-filter: blur(20px);
            border: 2px solid rgba(255, 255, 255, 0.3);
            position: relative;
            overflow: hidden;
        }

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

        @keyframes shine {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-50px) scale(0.9);
            }

            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .login-header {
            text-align: center;
            margin-bottom: 35px;
            position: relative;
            z-index: 1;
        }

        .logo-container {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            animation: pulse 2s infinite, rotate 10s linear infinite;
            box-shadow: 0 10px 30px rgba(240, 147, 251, 0.4);
            position: relative;
            overflow: hidden;
        }

        .logo-container::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            animation: logoShine 2s infinite;
        }

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

            100% {
                transform: translateX(100%) translateY(100%) rotate(45deg);
            }
        }

        @keyframes pulse {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.05);
            }
        }

        @keyframes rotate {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        .login-header h1 {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 32px;
            margin-bottom: 8px;
            font-weight: 700;
            animation: textGlow 2s ease-in-out infinite;
        }

        @keyframes textGlow {

            0%,
            100% {
                filter: drop-shadow(0 0 5px rgba(240, 147, 251, 0.3));
            }

            50% {
                filter: drop-shadow(0 0 15px rgba(240, 147, 251, 0.6));
            }
        }

        .login-header p {
            color: #888;
            font-size: 15px;
        }

        .input-group {
            margin-bottom: 25px;
            position: relative;
            z-index: 1;
        }

        .input-group label {
            display: block;
            margin-bottom: 10px;
            color: #444;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s;
        }

        .input-group input {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid #e8e8e8;
            border-radius: 15px;
            font-size: 16px;
            transition: all 0.3s;
            background: #f9f9f9;
        }

        .input-group input:focus {
            outline: none;
            border-color: #f093fb;
            box-shadow: 0 0 0 4px rgba(240, 147, 251, 0.2);
            background: white;
            transform: translateY(-2px);
        }

        .input-group input:focus+label {
            color: #f093fb;
        }

        .remember-me {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
            font-size: 14px;
            color: #666;
            z-index: 1;
            position: relative;
        }

        .remember-me input {
            margin-right: 8px;
            width: 18px;
            height: 18px;
            cursor: pointer;
        }

        .login-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            border: none;
            border-radius: 15px;
            font-size: 17px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 10px 30px rgba(240, 147, 251, 0.4);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .login-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .login-btn:hover::before {
            width: 300px;
            height: 300px;
        }

        .login-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(240, 147, 251, 0.5);
        }

        .login-btn:active {
            transform: translateY(-1px);
        }

        .error-message {
            color: #e74c3c;
            text-align: center;
            margin-top: 20px;
            font-size: 14px;
            display: none;
            padding: 12px;
            background: rgba(231, 76, 60, 0.1);
            border-radius: 10px;
            animation: shake 0.5s;
            z-index: 1;
            position: relative;
        }

        @keyframes shake {

            0%,
            100% {
                transform: translateX(0);
            }

            25% {
                transform: translateX(-10px);
            }

            75% {
                transform: translateX(10px);
            }
        }

        /* Gallery Page Styles */
        .gallery-container {
            display: none;
            min-height: 100vh;
            animation: fadeIn 0.5s;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        .navbar {
            background: rgba(255, 255, 255, 0.95);
            padding: 25px 30px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            backdrop-filter: blur(20px);
            border-bottom: 2px solid rgba(240, 147, 251, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .navbar-logo {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 25px;
            animation: bounce 2s infinite;
        }

        @keyframes bounce {

            0%,
            100% {
                transform: translateY(0);
            }

            50% {
                transform: translateY(-10px);
            }
        }

        .navbar h1 {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 26px;
            font-weight: 700;
        }

        .navbar-actions {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .user-welcome {
            color: #666;
            font-size: 14px;
            margin-right: 10px;
            animation: fadeInRight 0.5s;
        }

        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(-20px);
            }

            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .logout-btn {
            padding: 12px 25px;
            background: linear-gradient(135deg, #f5576c 0%, #e74c3c 100%);
            color: white;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(245, 87, 108, 0.3);
        }

        .logout-btn:hover {
            transform: translateY(-2px) scale(1.05);
            box-shadow: 0 8px 20px rgba(245, 87, 108, 0.4);
        }

        .gallery-content {
            padding: 50px 30px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .stats-bar {
            display: flex;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .stat-card {
            flex: 1;
            min-width: 200px;
            background: rgba(255, 255, 255, 0.95);
            padding: 25px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            text-align: center;
            transition: all 0.3s;
            animation: slideUp 0.5s ease-out;
            animation-fill-mode: both;
            position: relative;
            overflow: hidden;
        }

        .stat-card:nth-child(1) {
            animation-delay: 0.1s;
        }

        .stat-card:nth-child(2) {
            animation-delay: 0.2s;
        }

        .stat-card:nth-child(3) {
            animation-delay: 0.3s;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(240, 147, 251, 0.1), transparent);
            transform: rotate(45deg);
            transition: all 0.5s;
        }

        .stat-card:hover::before {
            left: 100%;
        }

        .stat-card:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: countUp 1s ease-out;
        }

        @keyframes countUp {
            from {
                opacity: 0;
                transform: scale(0.5);
            }

            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .stat-label {
            color: #888;
            font-size: 14px;
            margin-top: 5px;
        }

        /* Folder Navigation */
        .folder-nav {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.95);
            padding: 20px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .folder-btn {
            padding: 15px 25px;
            background: white;
            border: 2px solid #e0e0e0;
            border-radius: 15px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #666;
            position: relative;
            overflow: hidden;
        }

        .folder-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.4s, height 0.4s;
            z-index: -1;
        }

        .folder-btn:hover::before {
            width: 200%;
            height: 200%;
        }

        .folder-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            color: white;
            border-color: transparent;
        }

        .folder-btn.active {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            border-color: transparent;
            box-shadow: 0 8px 20px rgba(240, 147, 251, 0.4);
            transform: scale(1.05);
        }

        .folder-icon {
            font-size: 20px;
            animation: wiggle 1s ease-in-out infinite;
        }

        @keyframes wiggle {

            0%,
            100% {
                transform: rotate(0deg);
            }

            25% {
                transform: rotate(-5deg);
            }

            75% {
                transform: rotate(5deg);
            }
        }

        .folder-count {
            background: rgba(0, 0, 0, 0.1);
            padding: 3px 10px;
            border-radius: 10px;
            font-size: 13px;
            margin-left: 5px;
        }

        .folder-btn.active .folder-count {
            background: rgba(255, 255, 255, 0.3);
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .photo-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            cursor: pointer;
            position: relative;
            animation: cardAppear 0.5s ease-out;
            animation-fill-mode: both;
        }

        @keyframes cardAppear {
            from {
                opacity: 0;
                transform: scale(0.8) rotateY(90deg);
            }

            to {
                opacity: 1;
                transform: scale(1) rotateY(0deg);
            }
        }

        .photo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(240, 147, 251, 0.4) 0%, rgba(245, 87, 108, 0.4) 100%);
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 1;
        }

        .photo-card:hover::before {
            opacity: 1;
        }

        .photo-card:hover {
            transform: translateY(-10px) scale(1.03) rotateZ(2deg);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
        }

        .photo-card img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .photo-card:hover img {
            transform: scale(1.15) rotate(2deg);
        }

        .photo-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.8));
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 2;
            display: flex;
            align-items: flex-end;
            justify-content: center;
            padding: 25px;
        }

        .photo-card:hover .photo-overlay {
            opacity: 1;
        }

        .download-btn {
            padding: 14px 28px;
            background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
            color: #f5576c;
        }

        .download-btn:hover {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            transform: scale(1.15) translateY(-5px);
            box-shadow: 0 10px 30px rgba(240, 147, 251, 0.5);
        }

        .download-btn .icon {
            font-size: 18px;
            transition: transform 0.3s;
            animation: iconBounce 1s ease-in-out infinite;
        }

        @keyframes iconBounce {

            0%,
            100% {
                transform: translateY(0);
            }

            50% {
                transform: translateY(-3px);
            }
        }

        .download-btn:hover .icon {
            transform: translateY(-5px) rotate(360deg);
        }

        .photo-info {
            padding: 20px;
            position: relative;
            z-index: 2;
        }

        .photo-info h3 {
            color: #333;
            font-size: 18px;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .photo-info p {
            color: #999;
            font-size: 14px;
        }

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.95);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            animation: modalFadeIn 0.3s;
            backdrop-filter: blur(10px);
        }

        @keyframes modalFadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        .modal img {
            max-width: 90%;
            max-height: 90%;
            border-radius: 15px;
            box-shadow: 0 20px 60px rgba(240, 147, 251, 0.5);
            animation: modalZoomIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        @keyframes modalZoomIn {
            from {
                transform: scale(0.5) rotate(-10deg);
                opacity: 0;
            }

            to {
                transform: scale(1) rotate(0deg);
                opacity: 1;
            }
        }

        .modal-close {
            position: absolute;
            top: 30px;
            right: 50px;
            color: white;
            font-size: 45px;
            cursor: pointer;
            transition: all 0.3s;
            animation: pulse 2s infinite;
        }

        .modal-close:hover {
            transform: rotate(90deg) scale(1.2);
            color: #f5576c;
        }

        .modal-actions {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 15px;
        }

        .modal-btn {
            padding: 16px 35px;
            background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
            color: #f5576c;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
        }

        .modal-btn:hover {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            transform: translateY(-5px) scale(1.1);
            box-shadow: 0 12px 35px rgba(240, 147, 251, 0.6);
        }

        .modal-btn .icon {
            font-size: 20px;
            animation: iconSpin 2s linear infinite;
        }

        @keyframes iconSpin {
            from {
                transform: rotate(0deg);
            }

            to {
                transform: rotate(360deg);
            }
        }

        .modal-btn:hover .icon {
            animation: iconSpinFast 0.5s linear infinite;
        }

        @keyframes iconSpinFast {
            from {
                transform: rotate(0deg);
            }

            to {
                transform: rotate(360deg);
            }
        }

        .empty-state {
            grid-column: 1/-1;
            text-align: center;
            padding: 60px 20px;
            color: white;
            animation: fadeIn 0.5s;
        }

        .empty-state-icon {
            font-size: 80px;
            margin-bottom: 20px;
            opacity: 0.8;
            animation: swing 2s ease-in-out infinite;
        }

        @keyframes swing {

            0%,
            100% {
                transform: rotate(0deg);
            }

            25% {
                transform: rotate(10deg);
            }

            75% {
                transform: rotate(-10deg);
            }
        }

        .empty-state h2 {
            font-size: 28px;
            margin-bottom: 15px;
            animation: fadeInUp 0.5s;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .navbar {
                padding: 20px;
            }

            .navbar h1 {
                font-size: 20px;
            }

            .navbar-logo {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }

            .folder-nav {
                padding: 15px;
            }

            .folder-btn {
                padding: 12px 18px;
                font-size: 14px;
            }

            .gallery-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
                gap: 15px;
            }

            .photo-card img {
                height: 200px;
            }

            .login-box {
                padding: 40px 25px;
            }

            .gallery-content {
                padding: 30px 15px;
            }

            .stats-bar {
                gap: 15px;
            }

            .stat-card {
                min-width: 150px;
                padding: 20px;
            }

            .stat-number {
                font-size: 28px;
            }

            .modal-actions {
                bottom: 20px;
            }

            .modal-btn {
                padding: 12px 20px;
                font-size: 14px;
            }
        }