html, body {
    margin:0; padding:0; width:100%; height:100%;
    overflow:hidden;
    font-family:'Pretendard', sans-serif;
}

/* 지도 */
#map {
    position:absolute;
    top:0; left:0; width:100%; height:100%;
    z-index:1;
}

/* 지도 버튼 */
.map-btn {
    position:absolute;
    right:20px;
    width:58px; height:58px;
    background:white;
    border-radius:14px;
    border:1px solid #ddd;
    display:flex;
    justify-content:center; align-items:center;
    font-size:28px; cursor:pointer;
    z-index:9999;
    box-shadow:0 4px 12px rgba(0,0,0,.15);
}
#btnLayer { top:20px; }
#btnLocation { top:90px; }

/* 토글바 */
#toggle-bar {
    position:absolute;
    top:50%; transform:translateY(-50%);
    left:0px;
    width:32px; height:62px;
    background:#0F355D;
    color:white; font-size:22px;
    border-top-right-radius:8px;
    border-bottom-right-radius:8px;
    display:flex; justify-content:center; align-items:center;
    cursor:pointer;
    z-index:99998;
    transition:left .25s;
}

/* 좌측 메뉴 */
#menu-wrapper {
    position:absolute; top:0; left:-300px;
    width:300px; height:100%;
    background:#F5F7FA;
    border-right:1px solid #ccc;
    z-index:9998;
    transition:left .25s;
    display:flex; flex-direction:row;
}

/* 메인 메뉴 바 */
#main-menu {
    width:70px; height:100%;
    background:#0F355D;
    padding-top:20px;
    display:flex; flex-direction:column;
    align-items:center;
}

.main-item {
    width:100%; height:70px;
    display:flex; flex-direction:column;
    justify-content:center; align-items:center;
    color:#bcd1e5;
    cursor:pointer;
    margin-bottom:10px;
    transition:.2s;
    font-size:12px;
}
.main-item i { font-size:22px; }

.main-item.active {
    background:#0A2340;
    color:#3B82F6;
    border-left:3px solid #3B82F6;
}

/* 서브메뉴 */
#submenu {
    flex:1;
    background:#ffffff;
    display:flex; flex-direction:column;
}

/* 변경됨: 남색 헤더 */
#submenu-header {
    height:50px;
    background:#0F355D;
    color:white;
    display:flex; align-items:center;
    padding-left:16px;
    font-size:17px;
    font-weight:700;
}

#submenu-body {
    flex:1; padding:16px; overflow-y:auto;
}

/* 버튼 */
.btn-menu {
    width:100%;
    padding:14px;
    background:white;
    border:1px solid #ccc;
    border-radius:10px;
    text-align:center;
    cursor:pointer;
    margin-bottom:12px;
}
.btn-menu:hover {
    background:#e8e8e8;
}