:root {
            --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --secondary-gradient: linear-gradient(135deg, #1a4087 0%, #030a1c 100%);
            --glass-bg: rgba(255, 255, 255, 0.1);
            --glass-border: rgba(255, 255, 255, 0.2);
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: var(--primary-gradient);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        /* Animated background elements */
        .bg-animation {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: -1;
        }

        .floating-shapes {
            position: absolute;
            width: 100px;
            height: 100px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }

        .floating-shapes:nth-child(1) {
            top: 10%;
            left: 10%;
            animation-delay: 0s;
            transform: scale(0.8);
        }

        .floating-shapes:nth-child(2) {
            top: 70%;
            left: 80%;
            animation-delay: 2s;
            transform: scale(1.2);
        }

        .floating-shapes:nth-child(3) {
            top: 50%;
            left: 20%;
            animation-delay: 4s;
            transform: scale(0.6);
        }

        .floating-shapes:nth-child(4) {
            top: 20%;
            right: 20%;
            animation-delay: 1s;
            transform: scale(0.9);
        }

        .floating-shapes:nth-child(5) {
            bottom: 20%;
            left: 60%;
            animation-delay: 3s;
            transform: scale(0.7);
        }

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

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

        .login-card {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 3rem;
            width: 100%;
            max-width: 420px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
            position: relative;
            overflow: hidden;
            animation: slideInUp 0.8s ease-out;
        }

        .login-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            animation: rotate 10s linear infinite;
            z-index: -1;
        }

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

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

        .logo-container {
            text-align: center;
            margin-bottom: 2rem;
        }

        .logo {
            width: 80px;
            height: 80px;
            background: var(--secondary-gradient);
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            animation: pulse 3s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .logo i {
            font-size: 2.5rem;
            color: white;
        }

        h1 {
            color: white;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .subtitle {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            margin-bottom: 2rem;
        }

        .form-floating {
            position: relative;
            margin-bottom: 1.5rem;
        }

        .form-floating input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 16px;
            color: white;
            padding: 1rem 1.25rem;
            font-size: 1rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .form-floating input:focus {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.4);
            box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .form-floating input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .form-floating label {
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            padding-left: 1.25rem;
        }

        .input-group {
            position: relative;
        }

        .input-group .btn {
            background: transparent;
            border: none;
            color: rgba(255, 255, 255, 0.7);
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 10;
            transition: color 0.3s ease;
        }

        .input-group .btn:hover {
            color: white;
        }

        .login-btn {
            background: var(--secondary-gradient);
            border: none;
            border-radius: 16px;
            color: white;
            font-size: 1.1rem;
            font-weight: 600;
            padding: 1rem 2rem;
            width: 100%;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            position: relative;
            overflow: hidden;
        }

        .login-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            color:white;
            transition: left 0.5s ease;
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
            color:#CCC;
        }

        .login-btn:hover::before {
            left: 100%;
            color:#CCC;
        }

        .forgot-password {
            text-align: center;
            margin-top: 1.5rem;
        }

        .forgot-password a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .forgot-password a:hover {
            color: white;
            text-decoration: underline;
        }


        .loading {
            display: none;
            width: 20px;
            height: 20px;
            border: 2px solid transparent;
            border-top: 2px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Responsive design */
        @media (max-width: 768px) {
            .login-card {
                padding: 2rem;
                margin: 1rem;
            }
            
            h1 {
                font-size: 1.5rem;
            }
            
            .logo {
                width: 60px;
                height: 60px;
            }
            
            .logo i {
                font-size: 2rem;
            }
        }