:root {
    --nav-height: 72px;
    --mobile-nav-height: 76px;
}

body {
    padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
}

.site-nav {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1100;
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(247, 243, 236, 0.97);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -8px 24px rgba(15, 92, 86, 0.08);
}

.site-nav-inner {
    min-height: var(--mobile-nav-height);
    max-width: 1180px;
    margin: 0 auto;
    padding: 6px 10px;
}

.nav-brand {
    display: none;
}

.nav-links {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    align-items: stretch;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link,
.nav-logout button {
    display: flex;
    min-height: 62px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 100%;
    padding: 6px 4px;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-ink-soft);
    font: inherit;
    font-size: 0.67rem;
    font-weight: 700;
    line-height: 1.1;
    text-decoration: none;
    cursor: pointer;
}

.nav-link i,
.nav-logout i {
    font-size: 1.05rem;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-logout button:hover,
.nav-logout button:focus-visible {
    background: var(--color-accent-soft);
    color: var(--color-primary);
    outline: none;
}

.nav-logout {
    height: 100%;
}

.nav-logout button {
    border: 0;
}

@media (min-width: 768px) {
    body {
        padding-top: var(--nav-height);
        padding-bottom: 0;
    }

    .site-nav {
        top: 0;
        bottom: auto;
        padding: 0;
        border-top: 0;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 18px rgba(15, 92, 86, 0.06);
    }

    .site-nav-inner {
        display: flex;
        min-height: var(--nav-height);
        align-items: center;
        justify-content: space-between;
        padding: 0 28px;
    }

    .nav-brand {
        display: inline-block;
        color: var(--color-primary);
        font-family: var(--font-display);
        font-size: 1.35rem;
        font-weight: 700;
        text-decoration: none;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .nav-link,
    .nav-logout button {
        min-height: 42px;
        flex-direction: row;
        gap: 8px;
        width: auto;
        padding: 10px 12px;
        font-size: 0.86rem;
    }

    .nav-link i,
    .nav-logout i {
        font-size: 0.95rem;
    }

    .nav-logout button {
        border: 1px solid var(--color-border);
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav-link,
    .nav-logout button {
        transition: none;
    }
}

/* Navigation colour state */
.nav-link,
.nav-logout button {
    color: #111111;
}

.nav-link.is-active {
    color: #DF8344;
}

.nav-link.is-active i {
    color: #DF8344;
}

.nav-link.is-active:hover,
.nav-link.is-active:focus-visible {
    color: #DF8344;
}