:root {
            --primary-color: #4e73df;
            --secondary-color: #f8f9fc;
            --accent-color: #2e59d9;
            --text-color: #5a5c69;
        }
        
        body {
            font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            color: var(--text-color);
            background: linear-gradient(135deg, rgba(78, 115, 223, 0.05) 0%, rgba(78, 115, 223, 0.1) 100%), 
                        url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyMzgsMjQyLDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
            background-attachment: fixed;
        }
        
        .login-container {
            width: 100%;
            max-width: 400px;
            padding: 2rem;
            animation: fadeIn 0.5s ease-in-out;
        }
        
        .login-card {
            border: none;
            border-radius: 0.5rem;
            box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.1);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(5px);
        }
        
        .login-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.15);
        }
        
        .card-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
            color: white;
            text-align: center;
            padding: 1.75rem;
            font-weight: 600;
            font-size: 1.35rem;
            letter-spacing: 0.5px;
        }
        
        .card-body {
            padding: 2.5rem 2rem;
        }
        
        .form-control {
            padding: 0.85rem 1.25rem;
            border-radius: 0.5rem;
            border: 1px solid #e0e3f1;
            margin-bottom: 1.25rem;
            transition: all 0.3s;
            background-color: #fdfdfd;
        }
        
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.15);
            background-color: white;
        }
        
        .btn-login {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
            border: none;
            width: 100%;
            padding: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all 0.3s;
            border-radius: 0.5rem;
            box-shadow: 0 2px 5px rgba(78, 115, 223, 0.2);
        }
        
        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(78, 115, 223, 0.3);
        }
        
        .form-check-input:checked {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        
        .forgot-password {
            color: var(--primary-color);
            text-decoration: none;
            font-size: 0.875rem;
            transition: all 0.2s;
        }
        
        .forgot-password:hover {
            text-decoration: underline;
            color: var(--accent-color);
        }
        
        .divider {
            position: relative;
            text-align: center;
            margin: 1.75rem 0;
        }
        
        .divider::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, #e3e6f0 50%, transparent 100%);
            z-index: 1;
        }
        
        .divider-text {
            position: relative;
            display: inline-block;
            padding: 0 1rem;
            background-color: rgba(255, 255, 255, 0.95);
            color: #b7b9cc;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            z-index: 2;
        }
        
        .footer-text {
            text-align: center;
            margin-top: 1.5rem;
            font-size: 0.875rem;
            color: #858796;
        }
        
        .social-btn {
            border-radius: 0.5rem;
            padding: 0.65rem;
            font-size: 0.9rem;
            transition: all 0.3s;
            width: 48%;
            border: 1px solid #e0e3f1;
            color: var(--text-color);
        }
        
        .social-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        .social-btn i {
            margin-right: 0.5rem;
        }
        
        .btn-google {
            background-color: white;
        }
        
        .btn-google:hover {
            background-color: #f8f9fa;
            border-color: #d1d3e2;
        }
        
        .btn-facebook {
            background-color: white;
        }
        
        .btn-facebook:hover {
            background-color: #f8f9fa;
            border-color: #d1d3e2;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* Efecto de onda decorativo en el fondo */
        .wave-decoration {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100px;
            background: url('data:image/svg+xml;base64,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') repeat-x;
            background-size: 1200px 100px;
            z-index: -1;
            opacity: 0.7;
        }