.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    border-bottom: 1px solid var(--border-color);
    background: color-mix(in srgb, var(--surface-bg) 86%, transparent);
    backdrop-filter: blur(16px);
}

.site-header__inner {
    width: min(100% - 32px, var(--container-width));
    min-height: 68px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-brand {
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
    color: var(--text-color);
    text-decoration: none;
}

.site-brand__title {
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.site-brand__subtitle {
    color: var(--muted-color);
    font-size: 0.8rem;
}

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

.site-nav__link {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 700;
}

.site-nav__link:hover {
    background: var(--surface-soft-bg);
    color: var(--text-color);
}

.site-main {
    flex: 1;
}

.page-container {
    width: min(100% - 32px, var(--container-width));
    margin: 0 auto;
    padding: 40px 0;
}

@media (max-width: 700px) {
    .site-header__inner {
        min-height: auto;
        padding: 14px 0;
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav {
        width: 100%;
        flex-wrap: wrap;
    }

    .site-nav__link {
        padding-inline: 0;
    }
}