/* ─── Frontend nav ───────────────────────────────────────── */

.frontend-nav {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    position: sticky;
    top: 0;
    z-index: var(--z-topbar);
    backdrop-filter: saturate(180%) blur(8px);
}

.frontend-nav__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.frontend-nav__brand {
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.frontend-nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.frontend-nav__menu a:not(.btn) {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}
.frontend-nav__menu a:not(.btn):hover,
.frontend-nav__menu a.is-active { color: var(--color-text); }

/* Mobile toggle */
.frontend-nav__toggle {
    display: none;
    width: 36px;
    height: 36px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
}
.frontend-nav__toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .frontend-nav__toggle { display: flex; }
    .frontend-nav__menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
        padding: var(--space-md) var(--space-lg);
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        display: none;
    }
    .frontend-nav__menu.is-open { display: flex; }
}

/* ─── Main + footer ──────────────────────────────────────── */

.frontend-main {
    min-height: calc(100vh - 60px - 80px);
}

.frontend-footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0;
    margin-top: var(--space-3xl);
}
.frontend-footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}
.frontend-footer__links {
    display: flex;
    gap: var(--space-lg);
}
.frontend-footer__links a:hover { color: var(--color-text); }

/* ─── Theme toggle ───────────────────────────────────────── */

.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.theme-toggle:hover { border-color: var(--color-border-strong); }
.theme-toggle__icon {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-text);
    box-shadow: inset -4px -4px 0 0 var(--color-surface);
}

/* ─── Auth links ─────────────────────────────────────────── */

.auth-links {
    margin-top: var(--space-lg);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}