/*=============================================================================
 * HUUUK 네비게이션 CSS v1.0
 * - PC: 탭 기반 사이드바
 * - Mobile: 하단 탭바 + 햄버거 메뉴
 *=============================================================================*/

/* ===== PC 사이드바 (768px 이상에서 표시) ===== */
.huuuk-sidebar {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background: rgba(15, 15, 26, 0.98);
    border-right: 1px solid rgba(255,255,255,0.1);
    z-index: 100;
    overflow: hidden;
    flex-direction: column;
}

.sidebar-logo {
    font-size: 28px;
    font-weight: 900;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    padding: 20px;
}

.sidebar-user {
    padding: 0 20px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-user .name {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
}
.sidebar-user .email {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin-top: 3px;
}
/* 인증 레벨 행 */
.auth-level-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

/* 인증 레벨 배지 */
.auth-level-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}
.auth-level-badge.level-1 {
    background: rgba(234,179,8,0.2);
    color: #eab308;
    border: 1px solid rgba(234,179,8,0.4);
}
.auth-level-badge.level-2 {
    background: rgba(59,130,246,0.2);
    color: #3b82f6;
    border: 1px solid rgba(59,130,246,0.4);
}
.auth-level-badge.level-3 {
    background: rgba(34,197,94,0.2);
    color: #22c55e;
    border: 1px solid rgba(34,197,94,0.4);
}
.auth-level-badge.level-4 {
    background: rgba(168,85,247,0.2);
    color: #a855f7;
    border: 1px solid rgba(168,85,247,0.4);
}

/* 인증 레벨 텍스트 */
.auth-level-text {
    font-size: 12px;
}
.auth-level-text.level-1 { color: #eab308; }
.auth-level-text.level-2 { color: #3b82f6; }
.auth-level-text.level-3 { color: #22c55e; }
.auth-level-text.level-4 { color: #a855f7; }

/* 탭 버튼들 (가로 배열) */
.sidebar-tabs {
    display: flex;
    padding: 15px 10px;
    gap: 5px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    overflow-x: auto;
}
.sidebar-tabs::-webkit-scrollbar {
    height: 0;
}

.sidebar-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}
.sidebar-tab:hover {
    background: rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.8);
}
.sidebar-tab.active {
    background: linear-gradient(135deg, rgba(102,126,234,0.2), rgba(118,75,162,0.2));
    color: #667eea;
}
.sidebar-tab .tab-icon {
    width: 22px;
    height: 22px;
}
.sidebar-tab .tab-icon svg {
    width: 100%;
    height: 100%;
}
.sidebar-tab .tab-label {
    font-size: 11px;
    font-weight: 500;
}

/* 서브메뉴 (선택된 탭만 표시) */
.sidebar-submenus {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
}
.sidebar-submenu {
    display: none;
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-submenu.active {
    display: block;
}
.sidebar-submenu li {
    margin: 0;
}
.sidebar-submenu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 14px;
}
.sidebar-submenu a:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
}
.sidebar-submenu a.active {
    background: linear-gradient(135deg, rgba(102,126,234,0.15), rgba(118,75,162,0.15));
    color: #667eea;
    border-left: 3px solid #667eea;
}
.sidebar-submenu .icon {
    width: 20px;
    height: 20px;
    opacity: 0.7;
}
.sidebar-submenu .icon svg {
    width: 100%;
    height: 100%;
}
.sidebar-submenu a.active .icon {
    opacity: 1;
}
.sidebar-submenu .label {
    flex: 1;
}

/* 사이드바 언어 선택기 */
.sidebar-lang {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}
.sidebar-lang select {
    flex: 1;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 13px;
    cursor: pointer;
}
.sidebar-lang select option {
    background: #1a1a2e;
}

/* 사이드바 푸터 */
.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.logout-btn {
    width: 100%;
    padding: 12px;
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: 10px;
    color: #ef4444;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}
.logout-btn:hover {
    background: rgba(239,68,68,0.2);
}


/* ===== 모바일 헤더 ===== */
.huuuk-mobile-header {
    background: rgba(15, 15, 26, 0.95);
    padding: 15px 20px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.huuuk-mobile-header .logo {
    font-size: 24px;
    font-weight: 900;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.huuuk-mobile-header .welcome {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}
.hamburger-btn {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 5px;
}


/* ===== 모바일 슬라이딩 메뉴 (햄버거) ===== */
.huuuk-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
}
.huuuk-menu-overlay.active {
    display: block;
}

.huuuk-mobile-menu {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100%;
    background: rgba(15, 15, 26, 0.98);
    z-index: 201;
    transition: left 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.huuuk-mobile-menu.active {
    left: 0;
}

.mobile-menu-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.mobile-menu-logo {
    font-size: 24px;
    font-weight: 900;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.mobile-menu-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
}

.mobile-menu-user {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-menu-user .name {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
}
.mobile-menu-user .email {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin-top: 3px;
}

.mobile-menu-nav {
    flex: 1;
    padding: 10px 0;
    list-style: none;
    margin: 0;
    overflow-y: auto;
}
.mobile-menu-nav li {
    margin: 0;
}
.mobile-menu-nav .menu-section-title {
    padding: 12px 20px 8px;
    font-size: 11px;
    font-weight: 600;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.mobile-menu-nav a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 14px 20px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 15px;
    transition: all 0.2s;
}
.mobile-menu-nav a:hover,
.mobile-menu-nav a.active {
    background: rgba(102,126,234,0.1);
    color: #667eea;
}
.mobile-menu-nav .icon {
    width: 22px;
    height: 22px;
    opacity: 0.7;
}
.mobile-menu-nav .icon svg {
    width: 100%;
    height: 100%;
}
.mobile-menu-nav a.active .icon {
    opacity: 1;
}

/* 모바일 메뉴 언어 선택기 */
.mobile-menu-lang {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}
.mobile-menu-lang select {
    flex: 1;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}
.mobile-menu-lang select option {
    background: #1a1a2e;
}

.mobile-menu-footer {
    padding: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.mobile-logout-btn {
    width: 100%;
    padding: 14px;
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: 10px;
    color: #ef4444;
    cursor: pointer;
    font-size: 14px;
}


/* ===== 모바일 하단 네비게이션 ===== */
.huuuk-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15,15,26,0.98);
    padding: 10px 20px;
    display: flex;
    justify-content: space-around;
    border-top: 1px solid rgba(255,255,255,0.1);
    z-index: 100;
}
.huuuk-bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 11px;
    transition: color 0.3s;
    padding: 5px 10px;
}
.huuuk-bottom-nav .nav-item.active {
    color: #667eea;
}
.huuuk-bottom-nav .nav-item .icon {
    width: 24px;
    height: 24px;
    opacity: 0.7;
}
.huuuk-bottom-nav .nav-item .icon svg {
    width: 100%;
    height: 100%;
}
.huuuk-bottom-nav .nav-item.active .icon {
    opacity: 1;
}


/* ===== 메인 컨텐츠 영역 ===== */
.huuuk-main-content {
    padding: 70px 20px 100px;
    max-width: 500px;
    margin: 0 auto;
}


/* ===== PC 반응형 (768px 이상) ===== */
@media (min-width: 768px) {
    .huuuk-sidebar {
        display: flex;
    }
    .huuuk-mobile-header {
        display: none;
    }
    .huuuk-bottom-nav {
        display: none;
    }
    .huuuk-main-content {
        margin-left: 260px;
        padding: 30px 40px;
        max-width: none;
    }
}

/* ===== 큰 PC 화면 (1200px 이상) ===== */
@media (min-width: 1200px) {
    .huuuk-sidebar {
        width: 280px;
    }
    .huuuk-main-content {
        margin-left: 280px;
        padding: 40px 50px;
    }
}