:root {
    --surface-accent: var(--accent, #ff7a1a);
    --surface-accent-soft: var(--accent-soft, rgba(255, 122, 26, 0.12));
    --surface-text-muted: var(--muted, var(--text-muted, #9aa5b1));
    --surface-border: var(--panel-border, var(--border, rgba(255, 166, 77, 0.18)));
}

.surface-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.surface-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 14px;
    border: 1px solid var(--surface-border);
    border-radius: 999px;
    color: var(--surface-text-muted);
    background: transparent;
    text-decoration: none;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: 0.18s ease;
}

.surface-link:hover,
.surface-link:focus-visible {
    color: var(--surface-accent);
    border-color: var(--surface-accent);
    background: var(--surface-accent-soft);
    outline: none;
}

.surface-link.active {
    color: #fff3e7;
    border-color: var(--surface-accent);
    background: var(--surface-accent-soft);
    box-shadow: inset 0 0 0 1px rgba(255, 122, 26, 0.12);
}