/* 통일 네비게이션 */
.site-nav {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 1240px;
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    box-shadow: var(--shadow, 0 10px 30px rgba(0, 0, 0, 0.2));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    z-index: 1000;
    flex-wrap: wrap;
}

.site-nav__logo {
    color: inherit;
    text-decoration: none;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 999px;
    white-space: nowrap;
}

.site-nav__logo:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.site-nav__links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
    flex: 1;
}

.site-nav__link {
    border-radius: 999px;
    border: 1px solid transparent;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text-sub, inherit);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
    white-space: nowrap;
}

.site-nav__link:hover {
    color: var(--text-main, inherit);
    background: var(--hover, var(--glass));
    transform: translateY(-1px);
}

.site-nav__link.is-active {
    color: var(--text-main, inherit);
    background: var(--glass-strong, var(--glass));
    border-color: var(--border);
    font-weight: 600;
}

.site-nav__link:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.site-nav__tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.site-nav .theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 92px;
    height: 40px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--glass);
    color: var(--text-main);
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    box-shadow: none;
}

.site-nav .theme-toggle:hover {
    background: var(--glass-strong);
    transform: translateY(-1px);
}

.site-nav .theme-toggle:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.site-nav .theme-toggle.is-special {
    border-color: rgba(255, 160, 70, 0.7);
}

.theme-toggle__icon {
    font-size: 16px;
    line-height: 1;
}

@media (max-width: 760px) {
    .site-nav {
        top: 12px;
        width: calc(100% - 16px);
        border-radius: 28px;
        padding: 12px;
    }

    .site-nav__links {
        order: 3;
        width: 100%;
        justify-content: flex-start;
    }

    .site-nav__tools {
        margin-left: auto;
    }
}