/* ==========================================================================
   CSS PARA PÁGINA DE LOGIN
   Estilos para la interfaz de inicio de sesión
   ========================================================================== */

/* Container */
.login-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f0 100%);
}

/* Card */
.login-card {
    width: 100%;
    max-width: 420px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.login-header {
    text-align: center;
    padding: 2rem 2rem 1.5rem;
    background: linear-gradient(135deg, #4a6fa5 0%, #6b8cae 100%);
    color: white;
}

.login-header h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.75rem;
    font-weight: 700;
}

.login-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.9375rem;
}

.login-body {
    padding: 2rem;
}

/* Form Groups */
.login-body .form-group {
    margin-bottom: 1.25rem;
}

.login-body .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: #374151;
}

.login-body .form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: #f9fafb;
}

.login-body .form-control:focus {
    outline: none;
    border-color: #4a6fa5;
    background: white;
    box-shadow: 0 0 0 4px rgba(74, 111, 165, 0.1);
}

.login-body .form-control::placeholder {
    color: #9ca3af;
}

/* Button */
.login-body .btn-primary {
    width: 100%;
    padding: 0.875rem 1.5rem;
    margin-top: 0.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #4a6fa5 0%, #6b8cae 100%);
    cursor: pointer;
    transition: all 0.2s ease;
}

.login-body .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(74, 111, 165, 0.3);
}

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

/* Alert */
.login-body .alert {
    padding: 0.875rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.login-body .alert-danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

.login-body .alert-danger i {
    font-size: 1.125rem;
}

/* Footer */
.login-card .card-footer {
    text-align: center;
    padding: 1rem;
    background: #f9fafb;
    border-top: 1px solid #e5e7eb;
}

.login-card .card-footer small {
    color: #6b7280;
}

.login-card .card-footer a {
    color: #c9a959;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.login-card .card-footer a:hover {
    color: #b8943d;
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        padding: 1rem;
    }
    
    .login-card {
        border-radius: 12px;
    }
    
    .login-header {
        padding: 1.5rem;
    }
    
    .login-header h2 {
        font-size: 1.5rem;
    }
    
    .login-body {
        padding: 1.5rem;
    }
}