/* Правила .skip-link живут в app.css: разметка одна (AppShell), копии здесь не применялись. */


.portal-sidebar {
    position: fixed;
    top: var(--mud-appbar-height, 56px);
    bottom: 0;
    left: 0;
    width: 240px;
    height: auto;
    overflow-y: auto;
}

.portal-appbar {
    border-bottom: 1px solid var(--mud-palette-lines-default);
}

.portal-brand {
    color: var(--mud-palette-text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
}

.portal-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-right: 12px;
}

.portal-nav a {
    color: var(--mud-palette-text-secondary);
    font-size: .95rem;
    text-decoration: none;
}

.portal-nav a:hover {
    color: var(--mud-palette-text-primary);
}

.portal-mobile {
    display: none;
}

.portal-main {
    width: calc(100% - 240px);
    max-width: var(--lm-content-max);
    min-height: calc(100vh - var(--mud-appbar-height, 56px));
    margin: 0 0 0 240px;
    padding: calc(var(--mud-appbar-height, 56px) + 48px) 24px 32px;
}

@media (max-width: 959.98px) {
    .portal-sidebar { display: none; }
    .portal-main { width: 100%; margin-left: 0; }
    .portal-mobile { display: inline-flex; }
}

.portal-hero {
    max-width: 760px;
}

.portal-eyebrow {
    /* Та же роль и вид, что у .lm-page-eyebrow: один надзаголовок на всё приложение. */
    margin: 0 0 6px;
    color: var(--mud-palette-text-secondary);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.portal-hero h1,
.portal-page-title {
    margin: 0 0 16px;
    font-size: clamp(2rem, 5vw, 3.6rem);
    line-height: 1.02;
}

.portal-page-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 24px;
}

.portal-lead {
    margin: 0 0 28px;
    color: var(--mud-palette-text-secondary);
    font-size: 1.12rem;
    line-height: 1.6;
}

.portal-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.portal-section {
    margin-top: 64px;
}

.portal-section-head h2 {
    margin: 0 0 6px;
    font-size: 1.4rem;
}

.portal-section-head p {
    margin: 0 0 24px;
    color: var(--mud-palette-text-secondary);
}

.portal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.portal-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 24px;
    background: var(--mud-palette-surface);
}

.portal-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.portal-icon {
    color: var(--mud-palette-primary);
    font-size: 1.8rem;
}

.portal-card h3 {
    margin: 0;
    font-size: 1.25rem;
}

.portal-card p {
    flex: 1;
    margin: 0 0 8px;
    color: var(--mud-palette-text-secondary);
    line-height: 1.5;
}

.portal-card-link {
    color: var(--mud-palette-primary);
    font-weight: 500;
    text-decoration: none;
}

.portal-about {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    padding: 28px 0;
    border-top: 1px solid var(--mud-palette-lines-default);
}

.portal-about h2 {
    margin: 0 0 10px;
    font-size: 1.35rem;
}

.portal-about p {
    margin: 0;
    color: var(--mud-palette-text-secondary);
    line-height: 1.6;
}

.portal-principles {
    margin: 0;
    padding-left: 20px;
    color: var(--mud-palette-text-secondary);
    line-height: 2;
}

.portal-panel {
    margin-bottom: 20px;
    padding: 24px;
    background: var(--mud-palette-surface);
}

.portal-panel h2 {
    margin: 0 0 16px;
    font-size: 1.2rem;
}

.portal-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin-bottom: 14px;
}

.portal-avatar-field {
    margin-bottom: 12px;
}

.portal-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.portal-form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 4px;
}

.portal-muted {
    color: var(--mud-palette-text-secondary);
}

.portal-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 48px;
    padding-top: 20px;
    border-top: 1px solid var(--mud-palette-lines-default);
    color: var(--mud-palette-text-secondary);
    font-size: .9rem;
}

.portal-footer a {
    color: var(--mud-palette-text-secondary);
}

@media (max-width: 959.98px) {
    .portal-nav {
        display: none;
    }

    .portal-mobile {
        display: inline-flex;
    }

    .portal-main {
        padding: calc(var(--mud-appbar-height, 56px) + 32px) 16px 24px;
    }

    .portal-about {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}