/* ============================================================
   submenu-styles.css — munbunyang 서브메뉴 3종 스타일 (공유)
   body[data-sm="tab"]       : 수평 탭 (기본, 현재 디자인 유지)
   body[data-sm="sidebar"]   : 좌측 고정 패널
   body[data-sm="accordion"] : 다크 수평 바
   ============================================================ */

@keyframes munSmFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── TAB형 (기본) — 현재 디자인 그대로 유지 ── */
/* body[data-sm="tab"]는 기존 sub.php 인라인 CSS로 처리 */


/* ── SIDEBAR형 — 좌측 고정 패널 ── */
body[data-sm="sidebar"] .mun-sub-tab {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 200px;
    background: #fff;
    border-right: 1px solid rgba(0,0,0,.1);
    box-shadow: 2px 0 20px rgba(0,0,0,.1);
    border-radius: 0 16px 16px 0;
    z-index: 90;
    padding: 20px 0;
    overflow: visible;
    box-shadow: 2px 0 16px rgba(0,0,0,.08);
}
body[data-sm="sidebar"] .mun-sub-tab .mun-container {
    width: 100%;
    max-width: 100%;
    padding: 0;
}
body[data-sm="sidebar"] .mun-sub-tab-list {
    flex-direction: column;
    gap: 2px;
    padding: 0 12px;
    overflow-x: visible;
    overflow-y: visible;
}
body[data-sm="sidebar"] .mun-sub-tab-link {
    width: 100%;
    text-align: left;
    padding: 10px 14px;
    border-radius: 6px;
    border-left: 3px solid transparent;
    border-bottom: none;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #333;
    transition: all .2s ease;
}
body[data-sm="sidebar"] .mun-sub-tab-link:hover {
    color: var(--a1, #1e3a8a);
    border-left-color: var(--a1, #1e3a8a);
    background: rgba(30,58,138,.05);
}
body[data-sm="sidebar"] .mun-sub-tab-link.is-active {
    color: var(--a1, #1e3a8a);
    border-left-color: var(--a1, #1e3a8a);
    background: rgba(30,58,138,.08);
    font-weight: 700;
}
/* 사이드바 활성 시 콘텐츠 왼쪽 여백 */
body[data-sm="sidebar"] .mun-sub-content {
    padding-left: 220px;
}
@media (max-width: 1280px) {
    body[data-sm="sidebar"] .mun-sub-tab { display: none; }
    body[data-sm="sidebar"] .mun-sub-content { padding-left: 0; }
}


/* ── ACCORDION형 — 다크 수평 바 ── */
body[data-sm="accordion"] .mun-sub-tab {
    background: #0d0d0d;
    border-bottom: none;
    box-shadow: 0 2px 12px rgba(0,0,0,.3);
    position: sticky;
    top: 0;
    z-index: 80;
}
body[data-sm="accordion"] .mun-sub-tab-list {
    gap: 0;
    height: 52px;
}
body[data-sm="accordion"] .mun-sub-tab-link {
    color: rgba(255,255,255,.7);
    border-bottom: 2px solid transparent;
    padding: 0 24px;
    height: 52px;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    position: relative;
    transition: all .2s ease;
}
body[data-sm="accordion"] .mun-sub-tab-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--a1, #C4A974);
    transition: width .25s ease;
}
body[data-sm="accordion"] .mun-sub-tab-link:hover {
    color: #fff;
    background: rgba(255,255,255,.05);
}
body[data-sm="accordion"] .mun-sub-tab-link:hover::after {
    width: calc(100% - 24px);
}
body[data-sm="accordion"] .mun-sub-tab-link.is-active {
    color: #fff;
    font-weight: 600;
}
body[data-sm="accordion"] .mun-sub-tab-link.is-active::after {
    width: calc(100% - 24px);
}
@media (max-width: 768px) {
    body[data-sm="accordion"] .mun-sub-tab-link {
        padding: 0 14px;
        font-size: 0.8rem;
        height: 44px;
    }
    body[data-sm="accordion"] .mun-sub-tab-list { height: 44px; }
}