/* Pantalla de login: centrada, minimalista, sin dependencias del resto del visor */
body {
    height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
}

#login-wrapper {
    width: 320px;
}

#login-logo {
    display: block;
    max-width: 140px;
    margin: 0 auto 16px;
}

#login-form {
    background: #fff;
    padding: 32px 28px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

#login-form h1 {
    font-size: 1.25rem;
    text-align: center;
    margin-bottom: 20px;
}

.login-error {
    color: #c0392b;
    background: #fdecea;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    margin-bottom: 16px;
}