/* login.css */
.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-page .card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
}

.login-page .card-header {
    background: linear-gradient(45deg, #2c3e50, #3498db);
    border-bottom: none;
}

.login-page .card-header h3 {
    font-weight: 600;
    letter-spacing: 1px;
}

.login-page .form-control {
    border-radius: 10px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s;
    padding: 12px 15px;
}

.login-page .form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.login-page .btn-primary {
    background: linear-gradient(45deg, #2c3e50, #3498db);
    border: none;
    border-radius: 10px;
    padding: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.login-page .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.4);
}

.login-page .input-group .btn-outline-secondary {
    border: 2px solid #e0e0e0;
    border-left: none;
    border-radius: 0 10px 10px 0;
}

.login-page a {
    color: #3498db;
    transition: color 0.3s;
}

.login-page a:hover {
    color: #2c3e50;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estilos para dispositivos móviles */
@media (max-width: 768px) {
    .login-page .card {
        margin: 20px;
    }
    
    .login-page .card-header h3 {
        font-size: 1.5rem;
    }
}

/* Alertas personalizadas */
.login-page .alert {
    border-radius: 10px;
    border: none;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Checkbox personalizado */
.login-page .form-check-input:checked {
    background-color: #3498db;
    border-color: #3498db;
}

/* Tooltip para contraseñas */
.password-strength {
    height: 5px;
    border-radius: 5px;
    transition: all 0.3s;
    margin-top: 5px;
}

.password-strength.weak {
    background: #dc3545;
    width: 33%;
}

.password-strength.medium {
    background: #ffc107;
    width: 66%;
}

.password-strength.strong {
    background: #28a745;
    width: 100%;
}