/* === ESTILOS GENERALES === */
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background-color: #FFF9E6;
            margin: 0;
            padding: 20px;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        /* === CONTENEDOR DEL LOGIN === */
        .login-container {
            width: 100%;
            max-width: 400px;
            text-align: center;
        }

        /* === LOGO === */
        .login-logo {
            margin-bottom: 1.5rem;
        }

        .login-logo img {
            width: 120px;
            height: auto;
        }

        /* === TÍTULO BIENVENIDA === */
        .welcome-title {
            color: #2E7D32;
            font-size: 1.8rem;
            margin-bottom: 2rem;
            font-weight: 600;
            position: relative;
        }

        .welcome-title::after {
            content: "";
            display: block;
            width: 60px;
            height: 3px;
            background: #4CAF50;
            margin: 0.8rem auto;
        }

        /* === FORMULARIO === */
        .login-form {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #555;
            font-weight: 500;
        }

        .form-group input {
            width: 100%;
            padding: 12px 15px;
            font-size: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            transition: all 0.3s;
            background-color: #f9f9f9;
        }

        .form-group input:focus {
            outline: none;
            border-color: #4CAF50;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
        }

        /* === BOTÓN === */
        .login-btn {
            display: block;
            width: 100%;
            padding: 12px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 1.5rem;
        }

        .login-btn:hover {
            background-color: #3D8B40;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        .login-btn:active {
            transform: translateY(0);
            background-color: #2E7D32;
        }

        /* === MENSAJE DE ERROR === */
        .error-message {
            color: #e74c3c;
            text-align: center;
            margin-bottom: 1rem;
            font-size: 0.9rem;
        }

        /* === RESPONSIVE === */
        @media (max-width: 480px) {
            .login-form {
                padding: 1.5rem;
            }
            
            .welcome-title {
                font-size: 1.5rem;
                margin-bottom: 1.5rem;
            }
            
            .login-logo img {
                width: 100px;
            }
        }