body {
    background: 
        linear-gradient(rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.3)),
        url('../img/fondo_login-2.jpg');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 1rem 3rem rgba(0,0,0,0.175);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
}

.auth-header {
    background: #d53434;
    color: white;
    padding: 2rem;
    text-align: center;
}

.auth-header h2 {
    margin: 0;
    font-weight: 300;
}

.brand-text {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.auth-body {
    padding: 2rem;
}

.form-control {
    border-radius: 0.5rem;
    border: 1px solid #e3e6f0;
    padding: 0.75rem 1rem;
}

.form-control:focus {
    border-color: #6f42c1;
    box-shadow: 0 0 0 0.2rem rgba(111, 66, 193, 0.25);
}

.btn-primary {
    background: #d53434;
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem #d53434;
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e3e6f0;
}

.auth-links a {
    color: #000000;
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

.form-label {
    font-weight: 500;
    color: #d53434;;
    margin-bottom: 0.5rem;
}

.invalid-feedback {
    display: block;
}