/* 서브페이지 사이드바 스타일 */
.page-sidebar {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 사이드바 헤더 */
.sidebar-header {
    background-color: #3d6db5;
    padding: 30px 20px;
    border-radius: 8px 8px 0 0;
    text-align: center;
    background-image:url('/images/bg_logo.png');
    background-repeat:no-repeat;
    background-size: contain;
}

.sidebar-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.sidebar-header p {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    letter-spacing: 0.5px;
}

/* 사이드바 메뉴 */
.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* 1단계 메뉴 아이템 */
.sidebar-menu > li {
    border-bottom: 1px solid #f0f0f0;
}

.sidebar-menu > li:last-child {
    border-bottom: none;
}

/* 1단계 메뉴 링크 (접을 수 있는 메뉴) */
.sidebar-menu > li > a.menu-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: #3d4f6d;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    cursor: pointer;
}

.sidebar-menu > li > a.menu-toggle:hover {
    background: #2d3f5d;
}

.sidebar-menu > li > a.menu-toggle.active {
    background: #2d3f5d;
}

.sidebar-menu > li > a.menu-toggle i {
    transition: transform 0.3s;
}

.sidebar-menu > li > a.menu-toggle.active i {
    transform: rotate(180deg);
}

/* 1단계 메뉴 링크 (일반 링크) */
.sidebar-menu > li > a:not(.menu-toggle) {
    display: block;
    padding: 16px 20px;
    background: #f8f9fa;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar-menu > li > a:not(.menu-toggle):hover {
    background: #e9ecef;
    border-left-color: #3d4f6d;
}

.sidebar-menu > li > a:not(.menu-toggle).active {
    background: #e9ecef;
    border-left-color: #3d4f6d;
    color: #3d4f6d;
    font-weight: 600;
}

/* 2단계 서브메뉴 */
.sidebar-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: #fff;
    display: none;
}

.sidebar-submenu.show {
    display: block;
}

.sidebar-submenu li {
    border-bottom: 1px solid #f5f5f5;
}

.sidebar-submenu li:last-child {
    border-bottom: none;
}

.sidebar-submenu a {
    display: block;
    padding: 14px 20px 14px 40px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
    position: relative;
}

.sidebar-submenu a:before {
    content: '•';
    position: absolute;
    left: 25px;
    color: #999;
}

.sidebar-submenu a:hover {
    background: #f8f9fa;
    color: #333;
    padding-left: 45px;
}

.sidebar-submenu a.active {
    background: #f0f7ff;
    color: #3d4f6d;
    font-weight: 600;
    border-left: 3px solid #3d4f6d;
}

/* 반응형 */
@media (max-width: 991px) {
    .page-sidebar {
        margin-bottom: 30px;
    }
    
    .sidebar-header h2 {
        font-size: 24px;
    }
}

@media (max-width: 767px) {
    .sidebar-header {
        padding: 20px 15px;
    }
    
    .sidebar-header h2 {
        font-size: 20px;
    }
    
    .sidebar-menu > li > a {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .sidebar-submenu a {
        padding: 12px 15px 12px 35px;
        font-size: 13px;
    }
}