html, body {
    height: 100%;
    margin: 0;
}

body {
    background-color: var(--bg-app);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.login-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Panel izquierdo: identidad de marca */
.login-branding {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: #fff;
    background: linear-gradient(135deg, var(--panel-dark) 0%, var(--brand-primary-dark) 100%);
}

.login-branding .brand-content {
    max-width: 380px;
    text-align: center;
}

.login-branding .brand-icon {
    font-size: 3.25rem;
    margin-bottom: 1.25rem;
    opacity: 0.95;
}

.login-branding h1 {
    font-weight: 700;
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
}

.login-branding p {
    opacity: 0.85;
    margin-bottom: 0;
}

/* Panel derecho: formulario */
.login-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--surface);
    padding: 2rem;
}

.login-form-box {
    width: 100%;
    max-width: 360px;
}

.login-form-box .login-title {
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.login-form-box .login-subtitle {
    color: var(--text-muted);
    margin-bottom: 1.75rem;
}

.login-form-box .form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-main);
}

.login-form-box .input-group-text {
    background-color: var(--surface);
    border-right: none;
    color: var(--text-muted);
}

.login-form-box .form-control {
    border-left: none;
}

.login-form-box .input-group:focus-within {
    box-shadow: 0 0 0 3px var(--brand-primary-light);
    border-radius: var(--radius-md);
}

.login-form-box .input-group:focus-within .input-group-text,
.login-form-box .input-group:focus-within .form-control {
    border-color: var(--brand-primary);
}

.login-form-box .form-control:focus {
    box-shadow: none;
    border-color: var(--brand-primary);
}

.btn-brand {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
    color: #fff;
    font-weight: 600;
    padding: 0.6rem 1rem;
}

.btn-brand:hover,
.btn-brand:focus {
    background-color: var(--brand-primary-dark);
    border-color: var(--brand-primary-dark);
    color: #fff;
}

/* En pantallas angostas ocultamos el panel de marca y dejamos solo el formulario */
@media (max-width: 767.98px) {
    .login-branding {
        display: none;
    }
    .login-form-panel {
        flex: none;
        width: 100%;
    }
}