/* 메인 헤더 스타일 */
.main-header {
    background-color: #FFFFFF;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid #E5E7EB;
    transition: box-shadow 0.3s;
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    overflow: visible;
}

.header-container nav {
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.3s;
    flex-shrink: 0;
}

.logo:hover {
    opacity: 0.8;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #1A1A1A;
    white-space: nowrap;
}

.logo-img {
    height: 35px;
    width: auto;
}

/* 네비게이션 메뉴 */
.main-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    white-space: nowrap;
    flex-shrink: 0;
}

.main-nav > li {
    position: relative;
    margin: 0 2px;
}

.main-nav > li > a {
    color: #4B5563;
    text-decoration: none;
    padding: 8px 10px;
    display: block;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.2s;
    position: relative;
    white-space: nowrap;
    border-radius: 8px;
}

.main-nav > li > a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: #3B82F6;
    transition: all 0.3s;
}

.main-nav > li:hover > a {
    color: #1A1A1A;
    background-color: #F3F4F6;
}

.main-nav > li:hover > a::after {
    width: calc(100% - 24px);
    left: 12px;
}

/* 드롭다운 메뉴 */
.main-nav .dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    min-width: 200px !important;
    background: white !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-10px) !important;
    transition: all 0.3s !important;
    list-style: none !important;
    padding: 8px 0 !important;
    border-radius: 12px !important;
    border: 1px solid #E5E7EB !important;
    display: block !important;
    float: none !important;
    margin: 0 !important;
    font-size: 14px !important;
    text-align: left !important;
    background-clip: padding-box !important;
    z-index: 1050 !important;
}

.main-nav > li:hover .dropdown-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

/* hover 상태 */
.main-nav > li:hover > a {
    background-color: #F3F4F6 !important;
}

.main-nav .dropdown-menu li {
    padding: 0 !important;
    margin: 0 !important;
    list-style: none !important;
}

.main-nav .dropdown-menu a {
    display: block !important;
    padding: 10px 16px !important;
    color: #4B5563 !important;
    text-decoration: none !important;
    transition: all 0.2s !important;
    font-size: 14px !important;
    width: 100% !important;
    border: none !important;
    background: none !important;
}

.main-nav .dropdown-menu a:hover {
    background-color: #F3F4F6 !important;
    color: #1A1A1A !important;
    padding-left: 20px !important;
    text-decoration: none !important;
}

/* 사용자 영역 */
.user-area {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 사용자 드롭다운 메뉴 */
.user-info.dropdown {
    position: relative;
}

.user-info .dropdown-toggle {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    cursor: pointer !important;
    padding: 6px 12px !important;
    border-radius: 20px !important;
    transition: background-color 0.2s !important;
    text-decoration: none !important;
    color: #4B5563 !important;
    border: none !important;
    background: none !important;
}

.user-info .dropdown-toggle:hover {
    background-color: #F3F4F6 !important;
    color: #1A1A1A !important;
    text-decoration: none !important;
}

/* 헤더 프로필 이미지 - 숨김 처리 */
.header-profile-img {
    display: none !important;
    width: 28px !important;
    height: 28px !important;
    max-width: 28px !important;
    max-height: 28px !important;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid #e0e0e0;
}

.user-info .dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    right: 0 !important;
    left: auto !important;
    min-width: 160px !important;
    background: white !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08) !important;
    border: 1px solid #E5E7EB !important;
    border-radius: 12px !important;
    padding: 8px 0 !important;
    margin: 0 !important;
    z-index: 1050 !important;
    transform: none !important;
    /* 기본 상태에서는 숨김 */
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important;
}

/* 드롭다운이 활성화되었을 때만 표시 */
.user-info.dropdown.show .dropdown-menu,
.user-info .dropdown-menu.show {
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
}

/* Bootstrap의 dropdown 동작을 방해하지 않도록 수정 */
.user-info .dropdown-menu[data-bs-popper] {
    top: 100% !important;
    left: auto !important;
    right: 0 !important;
}

.user-info .dropdown-menu .dropdown-item {
    display: block !important;
    padding: 8px 16px !important;
    color: #4B5563 !important;
    text-decoration: none !important;
    font-size: 14px !important;
    transition: all 0.2s !important;
    border: none !important;
    background: none !important;
    width: 100% !important;
}

.user-info .dropdown-menu .dropdown-item:hover {
    background-color: #F3F4F6 !important;
    color: #1A1A1A !important;
    text-decoration: none !important;
}

/* 모바일 로고 - 데스크톱에서는 숨김 */
.mobile-logo {
    display: none;
}

/* 데스크톱/모바일 구분 클래스 */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

.alarm-btn, .mobile-menu-btn {
    position: relative;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #4B5563;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
}

.alarm-btn:hover, .mobile-menu-btn:hover {
    background-color: #F3F4F6;
    color: #1A1A1A;
}

.alarm-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: #EF4444;
    color: white;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 20px;
    transition: background-color 0.2s;
}

.user-info:hover {
    background-color: #F3F4F6;
}

.login-btn {
    background-color: #3B82F6;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    transition: background-color 0.2s;
    font-size: 14px;
}

.login-btn:hover {
    background-color: #2563EB;
    color: white;
}

/* 헤더가 있을 때 콘텐츠 상단 여백 */
body.has-main-header {
    padding-top: 72px;
}

/* 중간 크기 화면 대응 */
@media (max-width: 1500px) {
    .main-nav > li {
        margin: 0 2px;
    }

    .main-nav > li > a {
        font-size: 14px;
        padding: 8px 10px;
        white-space: nowrap;
    }
}

@media (max-width: 1300px) {
    .main-nav > li {
        margin: 0 1px;
    }

    .main-nav > li > a {
        font-size: 13px;
        padding: 8px 8px;
        white-space: nowrap;
    }

    .logo-text {
        font-size: 20px;
    }

    .logo-img {
        height: 30px;
    }
}

@media (max-width: 1100px) {
    .main-nav > li {
        margin: 0;
    }

    .main-nav > li > a {
        font-size: 12px;
        white-space: nowrap;
        padding: 8px 6px;
    }

    .logo-text {
        font-size: 18px;
    }

    .logo-img {
        height: 28px;
    }
}

@media (max-width: 950px) {
    .main-nav > li > a {
        font-size: 11px;
        padding: 8px 4px;
    }

    .logo-text {
        font-size: 16px;
    }

    .logo-img {
        height: 24px;
    }
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .header-container {
        padding: 0 15px;
        height: 56px;
    }

    /* 모바일에서 프로필 이미지 숨김 */
    .header-profile-img {
        display: none;
    }

    /* 기존 로고 숨김 */
    .logo {
        display: none;
    }

    /* 모바일용 가운데 로고 */
    .mobile-logo {
        display: block;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        text-decoration: none;
        z-index: 10;
    }

    .mobile-logo .logo-text {
        color: #1A1A1A;
        font-size: 18px;
    }

    .mobile-logo .logo-img {
        height: 28px;
    }

    /* 모바일에서 네비게이션 숨김 */
    .main-nav {
        display: none;
    }

    /* 모바일 메뉴 오버레이 */
    .mobile-nav {
        display: none;
        position: fixed;
        top: 56px;
        left: 0;
        width: 100%;
        max-height: calc(100vh - 56px);
        background: #FFFFFF;
        box-shadow: 0 4px 16px rgba(0,0,0,0.08);
        z-index: 999;
        overflow-y: auto;
    }

    .mobile-nav.active {
        display: block;
    }

    /* 메인 메뉴 섹션 스타일 */
    .mobile-main-menu {
        background: white;
    }

    .mobile-main-menu ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .mobile-main-menu > ul > li {
        border-bottom: 1px solid #F3F4F6;
    }

    .mobile-main-menu > ul > li > a {
        display: flex;
        align-items: center;
        padding: 14px 20px;
        color: #1A1A1A;
        text-decoration: none;
        font-size: 15px;
        font-weight: 500;
        transition: background 0.2s;
    }

    .mobile-main-menu > ul > li > a .menu-icon {
        width: 24px;
        margin-right: 12px;
        color: #3B82F6;
        font-size: 16px;
        text-align: center;
    }

    .mobile-main-menu > ul > li > a .arrow-icon {
        margin-left: auto;
        font-size: 12px;
        color: #9CA3AF;
        transition: transform 0.3s;
    }

    .mobile-main-menu > ul > li > a:hover,
    .mobile-main-menu > ul > li > a:active {
        background: #F9FAFB;
    }

    /* 모바일 서브메뉴 스타일 */
    .mobile-main-menu .has-submenu.open > a {
        background: #F3F4F6;
    }

    .mobile-main-menu .has-submenu.open > a .arrow-icon {
        transform: rotate(180deg);
    }

    .mobile-main-menu .mobile-submenu {
        display: none;
        list-style: none;
        padding: 0;
        margin: 0;
        background: #F9FAFB;
        border-top: 1px solid #F3F4F6;
    }

    .mobile-main-menu .has-submenu.open .mobile-submenu {
        display: block;
    }

    .mobile-main-menu .mobile-submenu li {
        border-bottom: none;
    }

    .mobile-main-menu .mobile-submenu li:not(:last-child) {
        border-bottom: 1px solid #F3F4F6;
    }

    .mobile-main-menu .mobile-submenu a {
        display: block;
        padding: 12px 20px 12px 56px;
        font-size: 14px;
        color: #6B7280;
        text-decoration: none;
        transition: all 0.2s;
    }

    .mobile-main-menu .mobile-submenu a:hover,
    .mobile-main-menu .mobile-submenu a:active {
        background: #F3F4F6;
        color: #3B82F6;
        padding-left: 60px;
    }

    .mobile-menu-btn {
        display: block !important;
        order: -1;
        margin-right: auto;
    }

    /* 모바일에서 사용자 영역 조정 */
    .user-area {
        display: flex;
        gap: 4px;
        margin-left: auto;
    }

    /* 모바일에서 데스크톱/모바일 버전 교체 */
    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: flex;
        align-items: center;
        gap: 10px;
        cursor: pointer;
        padding: 6px 10px;
        border-radius: 20px;
        transition: background-color 0.2s;
        text-decoration: none;
        color: #4B5563;
    }

    .mobile-only:hover {
        background-color: #F3F4F6;
        color: #1A1A1A;
        text-decoration: none;
    }

    /* 모바일에서 사용자 이름 텍스트 숨김 */
    .mobile-only span {
        display: none;
    }

    /* 알림 버튼 크기 조정 */
    .alarm-btn {
        font-size: 18px;
        padding: 8px;
    }

    /* 모바일용 알림 슬라이드 최적화 */
    .alarm-slide {
        width: 90% !important;
        right: -90% !important;
        top: 56px !important;
        max-height: 70vh;
        overflow-y: auto;
        transition: right 0.3s;
    }

    .alarm-slide.active {
        right: 5% !important;
    }

    .alarm-item {
        padding: 10px 15px;
        font-size: 13px;
    }

    .alarm-header h3 {
        font-size: 16px;
    }

    body.has-main-header {
        padding-top: 56px;
    }
}

/* 데스크톱에서 모바일 전용 요소들 숨김 */
@media (min-width: 769px) {
    .mobile-nav {
        display: none !important;
    }

    .mobile-only {
        display: none !important;
    }
}