/*
 * ═══════════════════════════════════════════════════════
 *  BrainCenter Premium Redesign v4.0.0
 *  완전히 새로운 프리미엄 디자인 시스템
 *  1920×1080 최적화
 * ═══════════════════════════════════════════════════════
 */

/* ============================================
   🎨 Design Variables
   ============================================ */
:root {
    /* Colors - Sophisticated Teal Palette */
    --premium-primary-50: #F0FDFA;
    --premium-primary-100: #CCFBF1;
    --premium-primary-200: #99F6E4;
    --premium-primary-300: #5EEAD4;
    --premium-primary-400: #2DD4BF;
    --premium-primary-500: #14B8A6;  /* Main */
    --premium-primary-600: #0D9488;
    --premium-primary-700: #0F766E;
    --premium-primary-800: #115E59;
    --premium-primary-900: #134E4A;

    /* Neutral - Warm Gray */
    --premium-gray-50: #FAFAF9;
    --premium-gray-100: #F5F5F4;
    --premium-gray-200: #E7E5E4;
    --premium-gray-300: #D6D3D1;
    --premium-gray-400: #A8A29E;
    --premium-gray-500: #78716C;
    --premium-gray-600: #57534E;
    --premium-gray-700: #44403C;
    --premium-gray-800: #292524;
    --premium-gray-900: #1C1917;

    /* Accent Colors */
    --premium-amber: #F59E0B;
    --premium-rose: #F43F5E;
    --premium-emerald: #10B981;
    --premium-blue: #3B82F6;
    --premium-purple: #A855F7;

    /* Typography */
    --premium-text-3xl: 30px;
    --premium-text-2xl: 24px;
    --premium-text-xl: 20px;
    --premium-text-lg: 16px;
    --premium-text-base: 14px;
    --premium-text-sm: 12px;
    --premium-text-xs: 10px;

    --premium-font-regular: 400;
    --premium-font-medium: 500;
    --premium-font-semibold: 600;
    --premium-font-bold: 700;

    /* Spacing */
    --premium-space-xs: 4px;
    --premium-space-sm: 8px;
    --premium-space-md: 12px;
    --premium-space-lg: 16px;
    --premium-space-xl: 24px;
    --premium-space-2xl: 32px;
    --premium-space-3xl: 48px;

    /* Shadows */
    --premium-shadow-sm: 0 1px 2px 0 rgba(28, 25, 23, 0.05);
    --premium-shadow-md: 0 4px 6px -1px rgba(28, 25, 23, 0.1), 0 2px 4px -2px rgba(28, 25, 23, 0.1);
    --premium-shadow-lg: 0 10px 15px -3px rgba(28, 25, 23, 0.1), 0 4px 6px -4px rgba(28, 25, 23, 0.1);
    --premium-shadow-xl: 0 20px 25px -5px rgba(28, 25, 23, 0.1), 0 8px 10px -6px rgba(28, 25, 23, 0.1);

    /* Layout - 화면 1/4 사이드바 */
    --premium-header-height: 60px;
    --premium-sidebar-width: 480px;  /* 1920px 기준 1/4 */
    --premium-main-width: 1440px;    /* 1920px 기준 3/4 */
    --premium-max-width: 1920px;
    --premium-bottom-nav-height: 64px;
}

/* ============================================
   🔧 Reset & Base
   ============================================ */
@media (min-width: 1024px) {
    /* PC에서만 적용 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
        font-size: var(--premium-text-base) !important;
        color: var(--premium-gray-800) !important;
        background: linear-gradient(135deg, #F0FDFA 0%, #FAFAF9 100%) !important;
        line-height: 1.6 !important;
        -webkit-font-smoothing: antialiased !important;
        -moz-osx-font-smoothing: grayscale !important;
        overflow-x: hidden !important;
    }

    /* ============================================
       📐 Layout Structure
       ============================================ */
    
    /* App Container */
    #app {
        position: relative !important;
        padding-top: var(--premium-header-height) !important;
        padding-bottom: 0 !important;
        margin: 0 !important;
        width: 100vw !important;
        max-width: 100vw !important;
        min-height: 100vh !important;
        background: transparent !important;
        overflow-x: hidden !important;
    }

    /* ============================================
       🎯 Top Header - 최우선 적용
       ============================================ */
    .top-header {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100vw !important;
        max-width: none !important;
        height: var(--premium-header-height) !important;
        min-height: var(--premium-header-height) !important;
        background: linear-gradient(135deg, var(--premium-primary-600) 0%, var(--premium-primary-700) 100%) !important;
        box-shadow: var(--premium-shadow-md) !important;
        z-index: 9999 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 0 var(--premium-space-2xl) !important;
        margin: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        backdrop-filter: blur(10px) !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    
    /* hidden 클래스가 있어도 로그인 페이지가 아니면 표시 */
    body:not(.login-page) .top-header.hidden {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 로그인 페이지에서만 숨김 */
    body.login-page .top-header {
        display: none !important;
    }

    /* Logo */
    .header-left {
        display: flex;
        align-items: center;
        gap: var(--premium-space-md);
    }

    .header-logo {
        font-size: var(--premium-text-2xl) !important;
        font-weight: var(--premium-font-bold) !important;
        color: white !important;
        letter-spacing: -0.5px;
        margin: 0 !important;
    }

    .header-logo svg {
        display: none !important; /* 아이콘 숨김 */
    }

    /* Global Search (중앙 배치) */
    .header-center {
        flex: 1;
        max-width: 600px;
        margin: 0 auto;
        display: flex;
        justify-content: center;
    }

    .global-search {
        width: 100%;
        max-width: 600px;
        position: relative;
    }

    .global-search input {
        width: 100%;
        height: 40px;
        padding: 0 var(--premium-space-lg) 0 var(--premium-space-3xl);
        background: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 20px;
        color: white;
        font-size: var(--premium-text-base);
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
    }

    .global-search input::placeholder {
        color: rgba(255, 255, 255, 0.6);
    }

    .global-search input:focus {
        background: rgba(255, 255, 255, 0.25);
        border-color: rgba(255, 255, 255, 0.4);
        outline: none;
    }

    .global-search i {
        position: absolute;
        left: var(--premium-space-lg);
        top: 50%;
        transform: translateY(-50%);
        color: rgba(255, 255, 255, 0.7);
        font-size: var(--premium-text-lg);
    }

    /* User Profile */
    .header-right {
        display: flex;
        align-items: center;
        gap: var(--premium-space-md);
    }

    .user-button {
        display: flex;
        align-items: center;
        gap: var(--premium-space-sm);
        padding: var(--premium-space-sm) var(--premium-space-md);
        background: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 12px;
        color: white;
        cursor: pointer;
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
    }

    .user-button:hover {
        background: rgba(255, 255, 255, 0.25);
    }

    .user-avatar {
        width: 32px;
        height: 32px;
        border-radius: 8px;
        background: white;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--premium-primary-600);
        font-size: var(--premium-text-lg);
    }

    .user-info {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .user-name {
        font-size: var(--premium-text-base);
        font-weight: var(--premium-font-semibold);
        line-height: 1.2;
    }

    .user-role {
        font-size: var(--premium-text-xs);
        opacity: 0.8;
        line-height: 1.2;
    }

    /* ============================================
       🚫 Bottom Navigation (PC에서도 표시하려면 이 부분 주석 처리)
       ============================================ */
    /* PC에서도 하단 메뉴를 보고 싶다면 아래 코드를 주석 처리하세요 */
    /*
    .bottom-nav {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
        height: 0 !important;
        overflow: hidden !important;
    }
    */
    
    /* PC에서도 하단바 표시 (임시) */
    .bottom-nav {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        pointer-events: auto !important;
        height: var(--premium-bottom-nav-height) !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100vw !important;
        background: white !important;
        border-top: 1px solid var(--premium-gray-200) !important;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1) !important;
        z-index: 10000 !important;
        justify-content: space-around !important;
        align-items: center !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    /* hidden 클래스 무시 (로그인 페이지 제외) */
    body:not(.login-page) .bottom-nav.hidden {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 로그인 페이지에서만 숨김 */
    body.login-page .bottom-nav {
        display: none !important;
    }
    
    /* nav-item 스타일 */
    .bottom-nav .nav-item {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 4px !important;
        padding: 8px 16px !important;
        background: transparent !important;
        border: none !important;
        color: var(--premium-gray-600) !important;
        font-size: var(--premium-text-xs) !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
    }
    
    .bottom-nav .nav-item:hover {
        color: var(--premium-primary-600) !important;
        background: var(--premium-primary-50) !important;
    }
    
    .bottom-nav .nav-item.active {
        color: var(--premium-primary-600) !important;
        font-weight: var(--premium-font-semibold) !important;
    }
    
    .bottom-nav .nav-item i {
        font-size: var(--premium-text-xl) !important;
    }

    /* ============================================
       🎯 Work Page Layout - 최우선 적용
       ============================================ */
    #workPage,
    .work-page,
    .members-page,
    .calendar-page,
    .requests-page,
    .page.members-page,
    .page.calendar-page,
    .page.work-page,
    .page.requests-page,
    div#workPage,
    div.work-page {
        position: fixed !important;
        top: var(--premium-header-height) !important;
        left: 0 !important;
        right: 0 !important;
        bottom: var(--premium-bottom-nav-height) !important;
        width: 100vw !important;
        max-width: 100vw !important;
        /* 하단바 공간 확보: top(60px) ~ bottom(64px) */
        height: auto !important;
        display: grid !important;
        grid-template-columns: 1fr var(--premium-sidebar-width) !important;
        grid-template-areas: "main sidebar" !important;
        gap: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        background: transparent !important;
        overflow: hidden !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: none !important;
        z-index: 1 !important;
    }
    
    /* page 클래스 무시 */
    #workPage.page,
    .work-page.page,
    .members-page.page,
    .calendar-page.page,
    .requests-page.page,
    div#workPage.page,
    div.work-page.page {
        max-width: none !important;
        width: 100vw !important;
        padding: 0 !important;
        margin: 0 !important;
        min-height: auto !important;  /* main.css의 min-height 무효화 */
        height: auto !important;
        background: transparent !important;
    }

    /* Mobile Only 요소 숨김 */
    .mobile-only,
    .work-quick-add,
    .work-category-tabs,
    .work-toolbar,
    .work-floating-filter {
        display: none !important;
    }
    
    /* 업무/회원/상담 페이지만 page-header 숨김 (캘린더는 제외) */
    #workPage .page-header,
    .work-page .page-header,
    .members-page .page-header,
    .requests-page .page-header {
        display: none !important;
    }

    /* ============================================
       📦 Main Area (Left) - 명확한 순서 지정
       ============================================ */
    .work-main-area,
    .members-main-area,
    .calendar-main-area,
    .requests-main-area {
        width: 100% !important;
        max-width: none !important;
        height: 100% !important;
        padding: 16px !important;
        padding-bottom: calc(16px + 80px) !important;
        background: transparent !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        grid-area: main !important;  /* Grid area 사용 */
    }

    /* Work List - 반응형 Grid (카드 최소 폭 380px, 1줄 3개) */
    .work-list,
    .members-list,
    .request-list {
        display: grid !important;
        grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)) !important;
        gap: 16px !important;
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    /* 카드 그리드 - 반응형 (1줄 3개) */
    .work-cards-grid,
    .members-list,
    .request-list {
        display: grid !important;
        grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)) !important;
        gap: 16px !important;
    }

    /* ============================================
       🎴 Work Card & Member Card
       ============================================ */
    .work-card,
    .work-card-v2,
    .todo-card,
    .member-card {
        background: white !important;
        border: none !important;
        border-radius: 16px !important;
        padding: var(--premium-space-xl) !important;
        box-shadow: var(--premium-shadow-md) !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        cursor: pointer !important;
        position: relative !important;
        overflow: visible !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .work-card::before,
    .member-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--premium-primary-500), var(--premium-amber));
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .work-card:hover,
    .member-card:hover {
        transform: translateY(-4px) !important;
        box-shadow: var(--premium-shadow-xl) !important;
    }

    .work-card:hover::before,
    .member-card:hover::before {
        opacity: 1;
    }

    /* Card Header */
    .work-card-header {
        display: flex;
        flex-direction: column;
        gap: var(--premium-space-md);
        margin-bottom: var(--premium-space-lg);
    }

    .work-card-title-row {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: var(--premium-space-md);
    }

    .work-card-title,
    .work-title {
        font-size: var(--premium-text-xl) !important;
        font-weight: var(--premium-font-semibold) !important;
        color: var(--premium-gray-900) !important;
        line-height: 1.4 !important;
        margin: 0 !important;
        flex: 1 !important;
    }

    /* Badges */
    .work-card-badges {
        display: flex;
        gap: var(--premium-space-xs);
        flex-shrink: 0;
    }

    .work-badge {
        padding: 4px 10px !important;
        border-radius: 6px !important;
        font-size: var(--premium-text-xs) !important;
        font-weight: var(--premium-font-semibold) !important;
        text-transform: uppercase !important;
        letter-spacing: 0.5px !important;
    }

    .work-badge.status-TODO {
        background: rgba(168, 162, 158, 0.1) !important;
        color: var(--premium-gray-600) !important;
    }

    .work-badge.status-DOING {
        background: rgba(59, 130, 246, 0.1) !important;
        color: var(--premium-blue) !important;
    }

    .work-badge.status-DONE {
        background: rgba(16, 185, 129, 0.1) !important;
        color: var(--premium-emerald) !important;
    }

    .work-badge.priority-HIGH {
        background: rgba(244, 63, 94, 0.1) !important;
        color: var(--premium-rose) !important;
    }

    .work-badge.priority-MEDIUM {
        background: rgba(245, 158, 11, 0.1) !important;
        color: var(--premium-amber) !important;
    }

    .work-badge.priority-LOW {
        background: rgba(168, 162, 158, 0.1) !important;
        color: var(--premium-gray-600) !important;
    }

    /* Card Meta */
    .work-card-meta-row {
        display: flex;
        align-items: center;
        gap: var(--premium-space-lg);
        flex-wrap: wrap;
    }

    .work-category {
        padding: 6px 12px !important;
        border-radius: 8px !important;
        font-size: var(--premium-text-sm) !important;
        font-weight: var(--premium-font-medium) !important;
        color: white !important;
    }

    .work-meta-item {
        display: flex;
        align-items: center;
        gap: var(--premium-space-xs);
        font-size: var(--premium-text-sm) !important;
        color: var(--premium-gray-500) !important;
    }

    .work-meta-item i {
        font-size: var(--premium-text-sm) !important;
        color: var(--premium-gray-400) !important;
    }

    /* ============================================
       🎛️ Sidebar (Right) - 명확한 순서 지정
       ============================================ */
    /* 사이드바 공통 스타일 */
    .work-sidebar-area,
    .page-sidebar {
        width: var(--premium-sidebar-width) !important;
        max-width: var(--premium-sidebar-width) !important;
        min-width: var(--premium-sidebar-width) !important;
        height: 100% !important;
        background: white !important;
        border-left: 1px solid var(--premium-gray-200) !important;
        padding: var(--premium-space-2xl) !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        box-shadow: var(--premium-shadow-lg) !important;
        grid-area: sidebar !important;  /* Grid area 사용 */
        flex-shrink: 0 !important;
    }

    /* Sidebar Section */
    .sidebar-section {
        margin-bottom: var(--premium-space-lg);
    }

    /* 상태필터 섹션 - 하단 메뉴에 가려지지 않도록 패딩 추가 */
    .sidebar-section:last-child {
        padding-bottom: 80px;
    }

    .sidebar-section-title {
        font-size: var(--premium-text-lg) !important;
        font-weight: var(--premium-font-semibold) !important;
        color: var(--premium-gray-900) !important;
        margin-bottom: var(--premium-space-lg) !important;
    }

    /* Quick Add Form */
    .sidebar-quick-add {
        background: var(--premium-gray-50);
        border-radius: 12px;
        padding: var(--premium-space-lg);
    }

    .sidebar-quick-add input,
    .sidebar-quick-add select {
        width: 100%;
        padding: var(--premium-space-md);
        border: 1px solid var(--premium-gray-200);
        border-radius: 8px;
        font-size: var(--premium-text-base);
        margin-bottom: var(--premium-space-sm);
        transition: all 0.3s ease;
    }

    .sidebar-quick-add input:focus,
    .sidebar-quick-add select:focus {
        outline: none;
        border-color: var(--premium-primary-500);
        box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
    }

    .sidebar-quick-add button {
        width: 100%;
        padding: var(--premium-space-md);
        background: var(--premium-primary-600);
        color: white;
        border: none;
        border-radius: 8px;
        font-size: var(--premium-text-base);
        font-weight: var(--premium-font-semibold);
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .sidebar-quick-add button:hover {
        background: var(--premium-primary-700);
        transform: translateY(-1px);
        box-shadow: var(--premium-shadow-md);
    }
    
    .sidebar-quick-add-btn {
        width: 100% !important;
        padding: var(--premium-space-md) !important;
        background: var(--premium-primary-600) !important;
        color: white !important;
        border: none !important;
        border-radius: 8px !important;
        font-size: var(--premium-text-base) !important;
        font-weight: var(--premium-font-semibold) !important;
        cursor: pointer !important;
        transition: all 0.3s ease !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: var(--premium-space-sm) !important;
    }
    
    .sidebar-quick-add-btn:hover {
        background: var(--premium-primary-700) !important;
        transform: translateY(-2px) !important;
        box-shadow: var(--premium-shadow-lg) !important;
    }
    
    .sidebar-quick-add-btn:active {
        transform: translateY(0) !important;
    }

    /* Stats Grid */
    .sidebar-stats {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--premium-space-sm);
    }

    .stat-card {
        background: linear-gradient(135deg, var(--premium-primary-50) 0%, white 100%);
        border: 1px solid var(--premium-primary-100);
        border-radius: 8px;
        padding: var(--premium-space-md) var(--premium-space-sm);
        text-align: center;
        transition: all 0.3s ease;
    }

    .stat-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--premium-shadow-md);
    }

    .stat-value {
        font-size: var(--premium-text-2xl);
        font-weight: var(--premium-font-bold);
        color: var(--premium-primary-600);
        line-height: 1.2;
    }

    .stat-label {
        font-size: var(--premium-text-xs);
        color: var(--premium-gray-600);
        margin-top: 2px;
    }

    /* Filter Chips */
    .sidebar-filters {
        display: flex;
        flex-wrap: wrap;
        gap: var(--premium-space-sm);
    }

    .filter-chip {
        padding: var(--premium-space-sm) var(--premium-space-md);
        background: var(--premium-gray-100);
        border: 1px solid var(--premium-gray-200);
        border-radius: 20px;
        font-size: var(--premium-text-sm);
        font-weight: var(--premium-font-medium);
        color: var(--premium-gray-700);
        cursor: pointer;
        transition: all 0.3s ease;
        white-space: nowrap;
    }

    .filter-chip:hover {
        background: var(--premium-gray-200);
    }

    .filter-chip.active {
        background: var(--premium-primary-600);
        border-color: var(--premium-primary-600);
        color: white;
    }

    .filter-chip-count {
        display: inline-block;
        margin-left: var(--premium-space-xs);
        padding: 2px 6px;
        background: rgba(0, 0, 0, 0.1);
        border-radius: 10px;
        font-size: var(--premium-text-xs);
    }

    /* ============================================
       📱 Responsive Breakpoints
       ============================================ */

    /* ============================================
       📱 반응형 해상도별 사이드바 크기 조정
       ============================================ */
    
    /* 1920px 이상: 사이드바 480px (1/4) */
    @media (min-width: 1920px) {
        :root {
            --premium-sidebar-width: 480px;
        }
        
        #workPage,
        .work-page,
        .members-page,
        .calendar-page,
        .requests-page {
            grid-template-columns: 1fr 480px !important;
        }
        
        .work-sidebar-area,
        .page-sidebar {
            width: 480px !important;
        }
        
        /* 메인 영역 카드: 1440px 공간에 3-4개 */
        .work-list,
        .work-cards-grid,
        .members-list,
        .request-list {
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)) !important;
        }
    }
    
    /* 1600px~1919px: 사이드바 400px (1/4) */
    @media (min-width: 1600px) and (max-width: 1919px) {
        :root {
            --premium-sidebar-width: 400px;
        }
        
        #workPage,
        .work-page,
        .members-page,
        .calendar-page,
        .requests-page {
            grid-template-columns: 1fr 400px !important;
        }
        
        .work-sidebar-area,
        .page-sidebar {
            width: 400px !important;
        }
        
        /* 메인 영역 카드: 1200px 공간에 3개 */
        .work-list,
        .work-cards-grid,
        .members-list,
        .request-list {
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)) !important;
        }
    }
    
    /* 1366px~1599px: 사이드바 341px (1/4) */
    @media (min-width: 1366px) and (max-width: 1599px) {
        :root {
            --premium-sidebar-width: 341px;
        }
        
        #workPage,
        .work-page,
        .members-page,
        .calendar-page,
        .requests-page {
            grid-template-columns: 1fr 341px !important;
        }
        
        .work-sidebar-area,
        .page-sidebar {
            width: 341px !important;
        }
        
        /* 메인 영역 카드: 1025px 공간에 2-3개 */
        .work-list,
        .work-cards-grid,
        .members-list,
        .request-list {
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)) !important;
        }
    }

    /* 1280px~1365px: 사이드바 320px (1/4) - 최소 크기 */
    @media (min-width: 1280px) and (max-width: 1365px) {
        :root {
            --premium-sidebar-width: 320px;
        }
        
        #workPage,
        .work-page,
        .members-page,
        .calendar-page,
        .requests-page {
            grid-template-columns: 1fr 320px !important;
        }
        
        .work-sidebar-area,
        .page-sidebar {
            width: 320px !important;
        }
        
        /* 메인 영역 카드: 960px 공간에 2-3개 */
        .work-list,
        .work-cards-grid,
        .members-list,
        .request-list {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important;
        }
    }
    
    /* 1280px 미만: 사이드바 완전 숨김 + 전체 화면 카드 */
    @media (max-width: 1279px) {
        #workPage,
        .work-page,
        .members-page,
        .calendar-page,
        .requests-page {
            grid-template-columns: 1fr !important;  /* 단일 컬럼 */
        }
        
        /* 사이드바 완전 숨김 */
        .work-sidebar-area,
        .page-sidebar,
        .calendar-sidebar {
            display: none !important;
        }
        
        /* 메인 영역이 전체 화면 차지 */
        .work-main-area,
        .members-main-area,
        .calendar-main-area,
        .requests-main-area {
            width: 100% !important;
            max-width: 100% !important;
        }
        
        /* 카드 그리드: 전체 너비 활용 */
        .work-list,
        .work-cards-grid,
        .members-list,
        .request-list {
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
        }
    }

    /* 기존 미디어 쿼리 (1024px~1279px) 제거하고 위로 통합 */
}

/* ============================================
   📱 Mobile Layout (< 1024px)
   ============================================ */
@media (max-width: 1023px) {
    /* 모바일에서는 하단 네비게이션 표시 */
    .bottom-nav {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        pointer-events: auto !important;
        height: var(--premium-bottom-nav-height) !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100vw !important;
        background: white !important;
        border-top: 1px solid var(--premium-gray-200) !important;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1) !important;
        z-index: 9999 !important;
        justify-content: space-around !important;
        align-items: center !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    /* 모바일에서 Work Page 조정 */
    #workPage {
        position: relative !important;
        top: auto !important;
        height: auto !important;
        display: block !important;
        padding-bottom: var(--premium-bottom-nav-height) !important;
    }
}