/* Variables de color actualizadas */
:root {
    --primary-color: #8e44ad;       /* Morado principal */
    --primary-dark: #6c3483;        /* Morado oscuro */
    --primary-light: #b977d9;       /* Morado claro */
    --secondary-color: #f39c12;     /* Naranja para acentos */
    --text-color: #2c3e50;          /* Azul oscuro para texto */
    --text-light: #ecf0f1;          /* Texto claro */
    --light-gray: #ecf0f1;          /* Gris claro */
    --medium-gray: #bdc3c7;         /* Gris medio */
    --dark-gray: #7f8c8d;           /* Gris oscuro */
    --error-color: #e74c3c;         /* Rojo */
    --success-color: #2ecc71;       /* Verde */
    --background: #f5f5f5;          /* Fondo general */
    --card-bg: #ffffff;             /* Fondo de tarjetas */
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background);
    color: var(--text-color);
    line-height: 1.6;
    background-image: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
}

/* Contenedor principal */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* Tarjeta de autenticación */
.auth-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transform: translateY(0);
    transition: all 0.3s ease;
}

.auth-card:hover {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    transform: translateY(-5px);
}

/* Encabezado */
.auth-header {
    text-align: center;
    padding: 35px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.auth-header::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.auth-header img {
    width: 80px;
    height: auto;
    margin-bottom: 15px;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.2));
}

.auth-header h2 {
    font-size: 26px;
    margin-bottom: 8px;
    font-weight: 600;
}

.auth-header p {
    font-size: 15px;
    opacity: 0.9;
    font-weight: 300;
}

/* Alertas */
.alert {
    padding: 14px 20px;
    margin: 0 20px 20px;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
    border-left: 4px solid transparent;
}

.alert-error {
    background-color: #fdecea;
    color: var(--error-color);
    border-left-color: var(--error-color);
}

.alert-success {
    background-color: #e8f5e9;
    color: var(--success-color);
    border-left-color: var(--success-color);
}

/* Formulario */
.auth-form {
    padding: 0 25px 25px;
}

.form-group {
    margin-bottom: 22px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-color);
}

.form-group label i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
    color: var(--primary-color);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
    background-color: var(--light-gray);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(142, 68, 173, 0.2);
}

/* Botones */
.btn {
    display: inline-block;
    padding: 14px 28px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
}

/* Acciones del formulario */
.form-actions {
    margin-top: 30px;
}

.forgot-password {
    display: block;
    text-align: center;
    margin-top: 18px;
    font-size: 14px;
    color: var(--medium-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: var(--primary-color);
}

/* Pie de página */
.auth-footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--light-gray);
    font-size: 14px;
    color: var(--medium-gray);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.auth-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

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

.auth-card {
    animation: fadeIn 0.6s ease-out;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-header {
        padding: 25px 15px;
    }
    
    .auth-header h2 {
        font-size: 22px;
    }
    
    .auth-form {
        padding: 0 18px 18px;
    }
    
    .btn {
        padding: 12px 24px;
    }
    
    .auth-card {
        max-width: 100%;
    }
}



/* Estilos para la sección de registro dividido */
.auth-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-section h4 {
    color: var(--text-light);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-section h4 i {
    font-size: 20px;
}

.row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.col {
    flex: 1;
    min-width: 0;
}

/* Ajustes para pantallas pequeñas */
@media (max-width: 480px) {
    .row {
        flex-direction: column;
        gap: 0;
    }
    
    .auth-section {
        padding: 15px;
    }
}