:root {
            --primary-color: #4361ee;
            --primary-hover: #3a56d4;
            --text-color: #2b2d42;
            --light-gray: #f8f9fa;
            --border-color: #e9ecef;
        }

        body {
            margin: 0;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            color: var(--text-color);
        }

        .login-card {
            background-color: #ffffff;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            max-width: 1000px;
            width: 90%;
            margin: 2rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .login-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(67, 97, 238, 0.1);
        }

        .login-content {
            padding: 3.5rem 2.5rem;
            position: relative;
        }

        .login-content::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary-color);
        }

        .login-content h3 {
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 2rem;
            font-size: 1.75rem;
            position: relative;
            padding-bottom: 1rem;
        }

        .login-content h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 4px;
            background: var(--primary-color);
            border-radius: 2px;
        }

        .form-label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-color);
            font-size: 0.95rem;
        }

        .form-control {
            border-radius: 8px;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.15);
        }

        .btn-primary {
            border-radius: 8px;
            font-weight: 600;
            padding: 0.75rem 2rem;
            background-color: var(--primary-color);
            border: none;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(67, 97, 238, 0.2);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .form-text {
            font-size: 0.85rem;
            color: #6c757d;
            margin-top: 0.5rem;
        }

        .form-check-input:checked {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }

        .form-check-label {
            color: #6c757d;
            font-size: 0.9rem;
        }

        .login-image {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 3rem 2rem;
            background: linear-gradient(135deg, #4361ee 60%, #3a0ca3 100%);
            position: relative;
            overflow: hidden;
        }

        .login-image::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 60%);
            transform: rotate(30deg);
        }

        .login-image img {
            max-width: 100%;
            height: auto;
            filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
            position: relative;
            z-index: 1;
            transition: transform 0.5s ease;
        }

        .login-card:hover .login-image img {
            transform: scale(1.05) rotate(-2deg);
        }

        @media (max-width: 768px) {
            .login-card {
                flex-direction: column;
                margin: 1rem;
                width: 95%;
            }

            .login-content {
                padding: 2rem 1.5rem;
            }

            .login-content::before {
                width: 100%;
                height: 4px;
                top: 0;
                left: 0;
            }
        }