body {
            box-sizing: border-box;
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            overflow-x: hidden;
            position: relative;
            min-height: 100vh;
            background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c, #4facfe, #00f2fe);
            background-size: 400% 400%;
            animation: gradientShift 10s ease infinite;
        }

        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* Floating Animation Elements */
        .floating-elements {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .floating-element {
            position: absolute;
            opacity: 0.1;
            animation: float 6s ease-in-out infinite;
        }

        .floating-element:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .floating-element:nth-child(2) {
            top: 60%;
            right: 10%;
            animation-delay: 2s;
        }

        .floating-element:nth-child(3) {
            bottom: 20%;
            left: 20%;
            animation-delay: 4s;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(180deg); }
        }

        /* Loading Screen */
        .loading-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
            background-size: 400% 400%;
            animation: gradientShift 3s ease infinite;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .loading-screen.hidden {
            opacity: 0;
            transform: scale(1.1);
            pointer-events: none;
        }

        .loader {
            width: 100px;
            height: 100px;
            position: relative;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .loader::before {
            content: '';
            position: absolute;
            width: 100px;
            height: 100px;
            border: 8px solid rgba(255,255,255,0.2);
            border-top: 8px solid white;
            border-right: 8px solid rgba(255,255,255,0.6);
            border-radius: 50%;
            animation: spinGlow 1.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
            box-shadow: 0 0 30px rgba(255,255,255,0.3);
        }

        .loader::after {
            content: '</>';
            position: absolute;
            font-size: 2rem;
            z-index: 1;
            font-weight: bold;
            color: white;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        @keyframes spinGlow {
            0% { 
                transform: rotate(0deg) scale(1);
                box-shadow: 0 0 30px rgba(255,255,255,0.3);
            }
            50% { 
                transform: rotate(180deg) scale(1.1);
                box-shadow: 0 0 50px rgba(255,255,255,0.6);
            }
            100% { 
                transform: rotate(360deg) scale(1);
                box-shadow: 0 0 30px rgba(255,255,255,0.3);
            }
        }

        @keyframes logoFloat {
            0%, 100% { 
                transform: translateY(0px) scale(1);
            }
            50% { 
                transform: translateY(-5px) scale(1.1);
            }
        }

        .loading-text {
            color: white;
            font-size: 1.4rem;
            font-weight: 700;
            animation: textGlow 2s ease-in-out infinite;
            text-shadow: 0 0 20px rgba(255,255,255,0.5);
            letter-spacing: 1px;
        }

        @keyframes textGlow {
            0%, 100% { 
                opacity: 1;
                transform: translateY(0);
                text-shadow: 0 0 20px rgba(255,255,255,0.5);
            }
            50% { 
                opacity: 0.8;
                transform: translateY(-5px);
                text-shadow: 0 0 30px rgba(255,255,255,0.8);
            }
        }

        .loading-progress {
            width: 200px;
            height: 4px;
            background: rgba(255,255,255,0.2);
            border-radius: 2px;
            margin-top: 20px;
            overflow: hidden;
        }

        .loading-progress-bar {
            height: 100%;
            background: linear-gradient(90deg, #fff, rgba(255,255,255,0.8));
            border-radius: 2px;
            animation: loadingProgress 3s ease-in-out;
            transform: translateX(-100%);
        }

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

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0.8rem 2rem;
            z-index: 1000;
            transition: all 0.3s ease;
        }

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

        .logo {
            display: flex;
            align-items: center;
            color: white;
            font-size: 1.3rem;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.3s ease;
            letter-spacing: 0.5px;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .logo::before {
            content: '</>';
            margin-right: 12px;
            font-size: 1.8rem;
            font-weight: bold;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.6rem 1.2rem;
            border-radius: 8px;
            position: relative;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }

        /* Subtle hover without vertical movement to avoid jump */
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        /* Active/selected underline */
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 8px;
            height: 2px;
            background: transparent;
            border-radius: 2px;
            transition: background 0.2s ease, transform 0.2s ease;
            transform-origin: left center;
            transform: scaleX(0);
        }

        .nav-links a.active {
            color: #fff;
        }

        .nav-links a.active::after {
            background: linear-gradient(90deg, #667eea, #764ba2);
            transform: scaleX(1);
        }


        .mobile-menu {
            display: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            position: relative;
            width: 30px;
            height: 30px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .hamburger-line {
            width: 25px;
            height: 3px;
            background: white;
            margin: 3px 0;
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .mobile-menu.active .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }

        .mobile-menu.active .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu.active .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        /* Main Content */
        .main-content {
            position: relative;
            z-index: 2;
            min-height: 100vh;
            padding-top: 100px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .page {
            display: none;
            animation: fadeIn 0.5s ease;
        }

        .page.active {
            display: block;
        }

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

        /* Home Page */
        .hero {
            text-align: center;
            padding: 4rem 0;
            color: white;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            animation: slideInDown 1s ease;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            animation: slideInUp 1s ease 0.3s both;
        }

        @keyframes slideInDown {
            from { opacity: 0; transform: translateY(-50px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes slideInUp {
            from { opacity: 0; transform: translateY(50px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: slideInUp 1s ease 0.6s both;
        }

        .btn {
            padding: 1rem 2rem;
            margin-top: 1.5rem;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        }

        /* Auth Forms */
        .auth-container {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 80vh;
        }

        .auth-form {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 3rem;
            width: 100%;
            max-width: 400px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .auth-form h2 {
            color: white;
            text-align: center;
            margin-bottom: 2rem;
            font-size: 2rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            color: white;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }

        .form-group input, .form-group select {
            width: 100%;
            padding: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            font-size: 1rem;
        }

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

        .form-group input:focus, .form-group select:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
        }

        /* Dashboard */
        .dashboard {
            padding: 2rem 0;
        }

        .dashboard-header {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 2rem;
            margin-top: 5rem;
            margin-bottom: 2rem;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .dashboard-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 1.5rem;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: transform 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-card h3 {
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }

        .task-search {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 2rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .search-form {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .search-input {
            flex: 1;
            min-width: 200px;
            padding: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            font-size: 1rem;
        }

        .task-list {
            display: grid;
            gap: 1.5rem;
        }

        .task-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 2rem;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }

        .task-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .task-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .task-class {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 0.5rem 1rem;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .task-actions {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        /* File Upload */
        .file-upload {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 2rem;
            margin-top: 2rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .upload-area {
            border: 2px dashed rgba(255, 255, 255, 0.3);
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .upload-area:hover {
            border-color: #667eea;
            background: rgba(102, 126, 234, 0.1);
        }

        .upload-area.dragover {
            border-color: #667eea;
            background: rgba(102, 126, 234, 0.2);
        }

        /* Team Page */
        .team-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 2rem;
            text-align: center;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .team-avatar {
            margin-bottom: 1.5rem;
            display: flex;
            justify-content: center;
        }

        .team-card h3 {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            color: white;
        }

        .team-role {
            color: #667eea;
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .team-specialty {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        /* Contact Page */
        .contact-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            padding: 2rem 0;
        }

        .contact-info {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 2rem;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 2rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .contact-item i {
            font-size: 1.5rem;
            margin-right: 1rem;
            color: #667eea;
        }

        /* Scroll to Top Button */
        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }

        .scroll-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-to-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
        }

        /* Footer */
        .footer {
            background: rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
            color: white;
            text-align: center;
            padding: 2rem;
            margin-top: 4rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Profile Image */
        .profile-image {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .profile-image:hover {
            border-color: #667eea;
            transform: scale(1.05);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .navbar {
                padding: 1rem;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(0, 0, 0, 0.95);
                backdrop-filter: blur(10px);
                flex-direction: column;
                padding: 1rem;
                border-radius: 0 0 15px 15px;
                border: 1px solid rgba(255, 255, 255, 0.1);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links a {
                padding: 1rem;
                border-radius: 10px;
                margin-bottom: 0.5rem;
                text-align: center;
                font-size: 1.1rem;
            }

            .mobile-menu {
                display: flex;
            }

            .hero h1 {
                font-size: 2.5rem;
                line-height: 1.2;
            }

            .hero p {
                font-size: 1.1rem;
                padding: 0 1rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
                gap: 1rem;
            }

            .btn {
                width: 100%;
                max-width: 300px;
            }

            .auth-form {
                margin: 1rem;
                padding: 2rem 1.5rem;
            }

            .search-form {
                flex-direction: column;
            }

            .task-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }

            .task-actions {
                flex-direction: column;
                gap: 0.5rem;
            }

            .contact-content {
                grid-template-columns: 1fr;
            }

            .container {
                padding: 0 1rem;
            }

            .dashboard-stats {
                grid-template-columns: 1fr;
            }

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

            .team-card {
                padding: 1.5rem;
            }

            .modal-content {
                margin: 1rem;
                padding: 1.5rem;
                max-height: 90vh;
            }

            .main-content {
                padding-top: 80px;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2rem;
            }

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

            .btn {
                padding: 0.8rem 1.5rem;
                font-size: 0.9rem;
            }

            .dashboard-stats {
                grid-template-columns: 1fr;
            }
        }

        /* Success/Error Messages */
        .message {
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            font-weight: 500;
        }

        .message.success {
            background: rgba(34, 197, 94, 0.2);
            color: #22c55e;
            border: 1px solid rgba(34, 197, 94, 0.3);
        }

        .message.error {
            background: rgba(239, 68, 68, 0.2);
            color: #ef4444;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 10000;
            justify-content: center;
            align-items: center;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 2rem;
            max-width: 600px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .close-modal {
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }