/* Frameset Override - Minimize header height */
    :root {
        --header-height: 4rem;
        --sidebar-width: 16.25rem;
        --sidebar-collapsed-width: 3.5rem;
    }

    /* Frameset Layout Fix */
    html, body {
        height: 100vh !important;
        margin: 0;
        padding: 0;
        overflow: hidden;
    }

    div[pg="spa.frameset"] {
        height: 100vh !important;
        display: flex !important;
        flex-direction: column !important;
        overflow: hidden !important;
    }

    div[pg="spa.frameset"] > .frameset__header {
        flex: 0 0 var(--header-height) !important;
        height: var(--header-height) !important;
    }

    div[pg="spa.frameset"] > .frameset__body {
        flex: 1 1 0 !important;
        display: flex !important;
        overflow: hidden !important;
        min-height: 0 !important;
    }

    .frameset__sidebar {
        flex: 0 0 auto !important;
    }

    .frameset__main {
        flex: 1 1 0 !important;
        overflow: hidden !important;
    }

    /* Compact Frameset Header */
    .frameset__header {
        height: var(--header-height);
        padding: 0;
        min-height: var(--header-height);
        display: flex;
        align-items: center;
        background-color: var(--color-bg-dark);
        border-bottom: 1px solid var(--color-border);
    }

    .header-logo {
        width: var(--sidebar-width);
        min-width: var(--sidebar-width);
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 var(--space-4);
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #2c3e50 100%);
        border-right: 1px solid rgba(255, 255, 255, 0.1);
        position: relative;
    }

    .header-logo::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, transparent 100%);
        pointer-events: none;
    }

    [data-theme="dark"] .header-logo {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
        border-right: 1px solid rgba(255, 255, 255, 0.05);
    }

    .header-logo--collapsed {
        width: var(--sidebar-collapsed-width);
        min-width: var(--sidebar-collapsed-width);
        padding: 0 var(--space-2);
    }

    .header-logo--collapsed .header-logo__img {
        max-width: 40px;
    }

    .header-logo__img {
        max-width: 180px;
        height: auto;
        max-height: calc(var(--header-height) - var(--space-4));
        object-fit: contain;
        position: relative;
        z-index: var(--z-base);
    }

    /* MDI Tabs in Header */
    .mdi-tabs-header {
        flex: 1;
        display: flex;
        align-items: center;
        gap: var(--space-1);
        overflow-x: auto;
        scrollbar-width: none;
        margin: 0 var(--space-4);
    }

    .mdi-tabs-header::-webkit-scrollbar {
        display: none;
    }

    .mdi-tab-compact {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-1) var(--space-3);
        background-color: var(--color-surface-1);
        border-radius: var(--radius-sm);
        font-size: var(--font-size-sm);
        color: var(--color-text-secondary);
        cursor: pointer;
        transition: all var(--transition-fast);
        white-space: nowrap;
        user-select: none;
        max-width: 180px;
    }

    .mdi-tab-compact:hover {
        background-color: var(--color-primary-alpha);
        color: var(--color-text-primary);
    }

    .mdi-tab-compact--active {
        background-color: var(--color-primary);
        color: white;
        font-weight: var(--font-weight-semibold);
    }

    .mdi-tab-compact__title {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mdi-tab-compact__close {
        opacity: 0.7;
        transition: opacity var(--transition-fast);
    }

    .mdi-tab-compact__close:hover {
        opacity: 1;
        cursor: pointer;
    }

    /* MDI Tab Drag States */
    .mdi-tab-compact--dragging {
        opacity: 0.5;
        transform: scale(0.95);
        box-shadow: var(--shadow-lg);
        z-index: var(--z-dropdown);
    }

    .mdi-tab-compact--drag-over {
        border-left: 3px solid var(--color-primary);
        margin-left: -3px;
    }

    /* MDI Layout Button & Tooltip */
    .mdi-layout-btn-wrapper {
        position: relative;
        display: flex;
        align-items: center;
    }

    .mdi-layout-btn {
        display: none;
        align-items: center;
        justify-content: center;
        width: var(--size-control-md);
        height: var(--size-control-md);
        background: transparent;
        border: none;
        border-radius: var(--radius-sm);
        color: var(--color-text-secondary);
        cursor: pointer;
        transition: all var(--transition-fast);
        font-size: var(--font-size-lg);
    }

    .mdi-layout-btn:hover {
        background-color: var(--color-surface-hover);
        color: var(--color-primary);
    }

    .mdi-controls-tooltip {
        position: absolute;
        top: calc(100% + 0.5rem);
        right: 0;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-xl);
        min-width: 200px;
        z-index: var(--z-dropdown);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-0.5rem);
        transition: all var(--transition-base);
    }

    .mdi-controls-tooltip--active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .mdi-controls-tooltip__header {
        padding: var(--space-3) var(--space-4);
        border-bottom: 1px solid var(--color-border);
        font-weight: var(--font-weight-semibold);
        font-size: var(--font-size-sm);
        color: var(--color-text-primary);
    }

    .mdi-controls-tooltip__content {
        padding: var(--space-2);
        display: flex;
        flex-direction: column;
        gap: var(--space-1);
    }

    .mdi-controls-tooltip .mdi-mode-btn {
        display: flex;
        align-items: center;
        gap: var(--space-3);
        width: 100%;
        padding: var(--space-2) var(--space-3);
        background: transparent;
        border: none;
        border-radius: var(--radius-sm);
        color: var(--color-text-secondary);
        cursor: pointer;
        transition: all var(--transition-fast);
        font-size: var(--font-size-sm);
        text-align: left;
    }

    .mdi-controls-tooltip .mdi-mode-btn i {
        width: 1.25rem;
        text-align: center;
        font-size: var(--font-size-base);
    }

    .mdi-controls-tooltip .mdi-mode-btn span {
        flex: 1;
    }

    .mdi-controls-tooltip .mdi-mode-btn:hover {
        background-color: var(--color-surface-hover);
        color: var(--color-text-primary);
    }

    .mdi-controls-tooltip .mdi-mode-btn--active {
        background-color: var(--color-primary-alpha);
        color: var(--color-primary);
        font-weight: var(--font-weight-semibold);
    }

    /* User Menu */
    .user-menu {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        padding: 0 var(--space-4);
    }

    .user-menu__item {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: all var(--transition-fast);
        color: var(--color-text-secondary);
        font-size: var(--font-size-lg);
    }

    .user-menu__item:hover {
        background-color: var(--color-surface-hover);
        color: var(--color-primary);
    }

    /* User Profile */
    .user-profile {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-2) var(--space-3);
        background-color: var(--color-surface-1);
        border-radius: var(--radius-md);
        cursor: pointer;
        transition: all var(--transition-fast);
        border: 1px solid var(--color-border);
    }

    .user-profile:hover {
        background-color: var(--color-surface-hover);
        border-color: var(--color-primary-alpha);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .user-profile__icon {
        font-size: var(--font-size-xl);
        color: var(--color-primary);
    }

    .user-profile__info {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .user-profile__name {
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-semibold);
        color: var(--color-text-primary);
        line-height: 1.2;
    }

    .user-profile__role {
        font-size: var(--font-size-xs);
        color: var(--color-text-tertiary);
        line-height: 1.2;
    }

    .user-profile__dropdown {
        font-size: var(--font-size-sm);
        color: var(--color-text-secondary);
        margin-left: var(--space-1);
        transition: transform var(--transition-fast);
    }

    /* User Profile Wrapper */
    .user-profile-wrapper {
        position: relative;
    }

    .user-profile-wrapper.active .user-profile__dropdown {
        transform: rotate(180deg);
    }

    /* User Dropdown Menu */
    .user-dropdown {
        position: absolute;
        top: calc(100% + var(--space-2));
        right: 0;
        min-width: 240px;
        background-color: var(--color-surface-1);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: all var(--transition-fast);
        z-index: 1000;
    }

    .user-profile-wrapper.active .user-dropdown,
    .user-dropdown--active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .user-dropdown__header {
        display: flex;
        align-items: center;
        gap: var(--space-3);
        padding: var(--space-4);
        border-bottom: 1px solid var(--color-border);
    }

    .user-dropdown__avatar {
        font-size: 40px;
        color: var(--color-primary);
    }

    .user-dropdown__info {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .user-dropdown__name {
        font-size: var(--font-size-base);
        font-weight: var(--font-weight-semibold);
        color: var(--color-text-primary);
    }

    .user-dropdown__email {
        font-size: var(--font-size-sm);
        color: var(--color-text-tertiary);
    }

    .user-dropdown__divider {
        height: 1px;
        background-color: var(--color-border);
        margin: var(--space-1) 0;
    }

    .user-dropdown__item {
        display: flex;
        align-items: center;
        gap: var(--space-3);
        padding: var(--space-3) var(--space-4);
        cursor: pointer;
        transition: background-color var(--transition-fast);
        color: var(--color-text-primary);
        font-size: var(--font-size-sm);
    }

    .user-dropdown__item:hover {
        background-color: var(--color-surface-hover);
    }

    .user-dropdown__item i {
        width: 20px;
        text-align: center;
        color: var(--color-text-secondary);
    }

    .user-dropdown__item:hover i {
        color: var(--color-primary);
    }

    .user-dropdown__item--danger {
        color: var(--color-danger);
    }

    .user-dropdown__item--danger i {
        color: var(--color-danger);
    }

    .user-dropdown__item--danger:hover {
        background-color: var(--color-danger-alpha);
    }

    /* 공급업체 접속 상태 표시 스타일 */
    .user-dropdown__item--info {
        color: var(--color-info);
        background-color: var(--color-info-alpha, rgba(59, 130, 246, 0.1));
        font-size: var(--text-xs);
        padding: var(--spacing-2) var(--spacing-4);
    }

    .user-dropdown__item--info i {
        color: var(--color-info);
    }

    .user-dropdown__item--info .btn-link {
        background: none;
        border: none;
        padding: 0 var(--spacing-1);
        cursor: pointer;
        font-size: var(--text-sm);
    }

    .user-dropdown__item--info .btn-link:hover {
        opacity: 0.8;
    }

    /* Sidebar - Enhanced */
    .frameset__sidebar {
        width: var(--sidebar-width);
        background-color: var(--color-primary-dark);
        transition: width var(--transition-base);
        display: flex;
        flex-direction: column;
        height: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    [data-theme="dark"] .frameset__sidebar {
        background-color: var(--color-bg-darkest);
        border-right: 1px solid var(--color-border);
    }

    .frameset__sidebar--collapsed {
        width: var(--sidebar-collapsed-width);
    }

    /* Collapsed 상태에서 모든 텍스트 숨김 */
    .frameset__sidebar--collapsed .sidebar-tab__text,
    .frameset__sidebar--collapsed .sidebar-toggle__text,
    .frameset__sidebar--collapsed .menu-tree__text,
    .frameset__sidebar--collapsed .favorite-item__text,
    .frameset__sidebar--collapsed .company-ci__text,
    .frameset__sidebar--collapsed .menu-app__header span,
    .frameset__sidebar--collapsed .menu-group__header span,
    .frameset__sidebar--collapsed .menu-page span,
    .frameset__sidebar--collapsed .company-ci__text--dark,
    .frameset__sidebar--collapsed .company-ci__text--light {
        display: none !important;
        visibility: hidden !important;
        width: 0 !important;
        height: 0 !important;
        opacity: 0 !important;
        overflow: hidden !important;
    }

    .frameset__sidebar--collapsed .sidebar-content {
        padding: var(--space-2);
    }

    .frameset__sidebar--collapsed .sidebar-tabs {
        flex-direction: column;
    }

    .frameset__sidebar--collapsed .sidebar-tab {
        padding: var(--space-3) 0;
    }

    /* Collapsed 상태에서 메뉴 항목 스타일 조정 */
    .frameset__sidebar--collapsed .menu-app__header,
    .frameset__sidebar--collapsed .menu-group__header,
    .frameset__sidebar--collapsed .menu-page {
        justify-content: center;
        padding: var(--space-2);
        overflow: hidden;
        font-size: 0 !important;
        white-space: nowrap;
    }

    .frameset__sidebar--collapsed .menu-app__header i,
    .frameset__sidebar--collapsed .menu-group__header i,
    .frameset__sidebar--collapsed .menu-page i {
        font-size: var(--font-size-base) !important;
    }

    .frameset__sidebar--collapsed .menu-app__toggle,
    .frameset__sidebar--collapsed .menu-group__toggle {
        display: none !important;
    }

    .frameset__sidebar--collapsed .menu-app__content,
    .frameset__sidebar--collapsed .menu-group__content {
        margin-left: 0;
        display: none !important;
    }

    /* Collapsed 상태에서 company-ci 영역 조정 */
    .frameset__sidebar--collapsed .company-ci {
        padding: var(--space-2);
        min-height: 48px;
        font-size: 0 !important;
    }

    /* Sidebar Toggle Button */
    .sidebar-toggle {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-3) var(--space-4);
        background-color: rgba(0, 0, 0, 0.2);
        color: rgba(255, 255, 255, 0.9);
        border: none;
        cursor: pointer;
        transition: background-color var(--transition-fast);
        width: 100%;
        justify-content: flex-start;
        flex-shrink: 0;
    }

    .sidebar-toggle:hover {
        background-color: rgba(0, 0, 0, 0.3);
    }

    [data-theme="dark"] .sidebar-toggle {
        background-color: var(--color-surface-2);
        color: var(--color-text-primary);
    }

    [data-theme="dark"] .sidebar-toggle:hover {
        background-color: var(--color-surface-hover);
    }

    .sidebar-toggle__icon {
        font-size: var(--font-size-lg);
    }

    .sidebar-toggle__text {
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-medium);
    }

    /* Sidebar Tabs */
    .sidebar-tabs {
        display: flex;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        flex-shrink: 0;
    }

    [data-theme="dark"] .sidebar-tabs {
        border-bottom-color: var(--color-border);
    }

    .sidebar-tab {
        flex: 1;
        padding: var(--space-3) var(--space-2);
        text-align: center;
        cursor: pointer;
        border-bottom: 2px solid transparent;
        font-size: var(--font-size-sm);
        color: rgba(255, 255, 255, 0.7);
        transition: all var(--transition-fast);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-1);
    }

    [data-theme="dark"] .sidebar-tab {
        color: var(--color-text-secondary);
    }

    .sidebar-tab:hover {
        background-color: rgba(0, 0, 0, 0.2);
        color: rgba(255, 255, 255, 0.9);
    }

    [data-theme="dark"] .sidebar-tab:hover {
        background-color: var(--color-surface-hover);
        color: var(--color-text-primary);
    }

    .sidebar-tab--active {
        border-bottom-color: var(--color-primary-light);
        color: white;
        font-weight: var(--font-weight-semibold);
    }

    [data-theme="dark"] .sidebar-tab--active {
        border-bottom-color: var(--color-primary);
        color: var(--color-primary);
    }

    /* 일정 탭 - Secondary 테마 컬러 */
    .sidebar-tab--calendar.sidebar-tab--active {
        border-bottom-color: var(--color-secondary, #6c757d);
        color: white;
    }

    [data-theme="dark"] .sidebar-tab--calendar.sidebar-tab--active {
        border-bottom-color: var(--color-secondary, #6c757d);
        color: var(--color-secondary, #6c757d);
    }

    .sidebar-tab__icon {
        font-size: var(--font-size-md);
    }

    .sidebar-tab__text {
        font-size: var(--font-size-xs);
    }

    /* Sidebar Content */
    .sidebar-content {
        padding: var(--space-3);
        overflow: hidden;  /* 컨텐츠 영역 자체는 스크롤 안됨 */
        display: flex;
        flex-direction: column;
        flex: 1 1 auto;
        min-height: 0;
        box-sizing: border-box;
    }

    .sidebar-panel {
        display: none;
        box-sizing: border-box;
    }

    .sidebar-panel--active {
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
        flex: 1;
        min-height: 0;
        overflow: hidden;  /* 패널 자체는 스크롤 안됨 */
    }

    /* 메뉴 탭은 전체 스크롤 허용 */
    #sidebar-menu.sidebar-panel--active {
        overflow-y: auto;
        overflow-x: hidden;
    }

    /* Sidebar 스크롤바 투명 처리 */
    .sidebar-content::-webkit-scrollbar,
    .sidebar-panel::-webkit-scrollbar {
        width: 6px;
        background: transparent;
    }
    .sidebar-content::-webkit-scrollbar-track,
    .sidebar-panel::-webkit-scrollbar-track {
        background: transparent;
    }
    .sidebar-content::-webkit-scrollbar-thumb,
    .sidebar-panel::-webkit-scrollbar-thumb {
        background: transparent;
        border-radius: 3px;
        transition: background 0.2s;
    }
    .sidebar-content:hover::-webkit-scrollbar-thumb,
    .sidebar-panel:hover::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.2);
    }
    /* Firefox */
    .sidebar-content,
    .sidebar-panel {
        scrollbar-width: thin;
        scrollbar-color: transparent transparent;
    }
    .sidebar-content:hover,
    .sidebar-panel:hover {
        scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
    }

    /* Menu Tree - 3 Level Structure */
    .menu-app {
        margin-bottom: var(--space-3);
    }

    .menu-app__header {
        padding: var(--space-2) var(--space-3);
        background-color: rgba(0, 0, 0, 0.2);
        color: white;
        font-weight: var(--font-weight-semibold);
        font-size: var(--font-size-sm);
        border-radius: var(--radius-sm);
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: var(--space-2);
        transition: background-color var(--transition-fast);
    }

    [data-theme="dark"] .menu-app__header {
        background-color: var(--color-surface-2);
        color: var(--color-text-primary);
    }

    .menu-app__header:hover {
        background-color: rgba(0, 0, 0, 0.3);
    }

    [data-theme="dark"] .menu-app__header:hover {
        background-color: var(--color-surface-hover);
    }

    .menu-app__icon {
        width: 16px;
        text-align: center;
    }

    .menu-app__toggle {
        margin-left: auto;
        transition: transform var(--transition-fast);
    }

    .menu-app__toggle--expanded {
        transform: rotate(90deg);
    }

    .menu-app__content {
        margin-top: var(--space-2);
        margin-left: var(--space-3);
        display: none;
    }

    .menu-app__content--expanded {
        display: block;
    }

    .menu-group {
        margin-bottom: var(--space-2);
    }

    .menu-group__header {
        padding: var(--space-2) var(--space-3);
        color: rgba(255, 255, 255, 0.9);
        font-weight: var(--font-weight-medium);
        font-size: var(--font-size-sm);
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: var(--space-2);
        border-radius: var(--radius-sm);
        transition: background-color var(--transition-fast);
    }

    [data-theme="dark"] .menu-group__header {
        color: var(--color-text-primary);
    }

    .menu-group__header:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    [data-theme="dark"] .menu-group__header:hover {
        background-color: var(--color-surface-hover);
    }

    .menu-group__toggle {
        width: 12px;
        font-size: var(--font-size-xs);
        transition: transform var(--transition-fast);
    }

    .menu-group__toggle--expanded {
        transform: rotate(90deg);
    }

    .menu-group__content {
        margin-left: var(--space-4);
        margin-top: var(--space-1);
        display: none;
    }

    .menu-group__content--expanded {
        display: block;
    }

    .menu-page {
        padding: var(--space-2) var(--space-3);
        color: rgba(255, 255, 255, 0.8);
        font-size: var(--font-size-sm);
        cursor: pointer;
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
        display: flex;
        align-items: center;
        gap: var(--space-2);
    }

    [data-theme="dark"] .menu-page {
        color: var(--color-text-secondary);
    }

    .menu-page:hover {
        background-color: rgba(255, 255, 255, 0.15);
        color: white;
    }

    [data-theme="dark"] .menu-page:hover {
        background-color: var(--color-surface-hover);
        color: var(--color-text-primary);
    }

    .menu-page--active {
        background-color: var(--color-primary-light);
        color: white;
        font-weight: var(--font-weight-semibold);
    }

    [data-theme="dark"] .menu-page--active {
        background-color: var(--color-primary-alpha);
        color: var(--color-primary);
    }

    .menu-page__icon {
        width: 14px;
        text-align: center;
        font-size: var(--font-size-xs);
    }

    .menu-page__favorite {
        margin-left: auto;
        opacity: 0;
        transition: opacity var(--transition-fast), color var(--transition-fast);
        color: var(--color-text-tertiary);
        cursor: pointer;
    }

    .menu-page:hover .menu-page__favorite {
        opacity: 1;
    }

    .menu-page__favorite:hover {
        color: var(--color-warning);
    }

    .menu-page__favorite--active {
        opacity: 1;
        color: var(--color-warning);
        font-weight: 900;  /* Font Awesome solid star */
    }

    /* Favorites Header */
    .favorite-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--space-2) var(--space-3);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: var(--space-2);
    }

    [data-theme="dark"] .favorite-header {
        border-bottom-color: var(--color-border);
    }

    .favorite-header__title {
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-semibold);
        color: white;
    }

    [data-theme="dark"] .favorite-header__title {
        color: var(--color-text-primary);
    }

    .favorite-header__btn {
        padding: var(--space-1) var(--space-2);
        background: none;
        border: none;
        color: rgba(255, 255, 255, 0.6);
        cursor: pointer;
        font-size: var(--font-size-xs);
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
    }

    .favorite-header__btn:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: white;
    }

    [data-theme="dark"] .favorite-header__btn {
        color: var(--color-text-tertiary);
    }

    [data-theme="dark"] .favorite-header__btn:hover {
        background-color: var(--color-surface-hover);
        color: var(--color-text-primary);
    }

    /* Favorites Empty State */
    .favorite-empty {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: var(--space-6);
        color: rgba(255, 255, 255, 0.5);
        text-align: center;
    }

    .favorite-empty i {
        font-size: 2rem;
        margin-bottom: var(--space-2);
        opacity: 0.5;
    }

    .favorite-empty p {
        margin: var(--space-1) 0;
        font-size: var(--font-size-sm);
    }

    [data-theme="dark"] .favorite-empty {
        color: var(--color-text-tertiary);
    }

    /* Favorites Groups */
    .favorite-groups {
        display: flex;
        flex-direction: column;
        gap: var(--space-2);
        padding: 0 var(--space-2);
    }

    .favorite-group {
        background-color: rgba(0, 0, 0, 0.1);
        border-radius: var(--radius-sm);
        overflow: hidden;
    }

    [data-theme="dark"] .favorite-group {
        background-color: var(--color-surface-2);
    }

    .favorite-group__header {
        display: flex;
        align-items: center;
        gap: var(--space-1);
        padding: var(--space-1) var(--space-2);
        color: white;
        font-weight: var(--font-weight-medium);
        font-size: var(--font-size-sm);
        background-color: rgba(0, 0, 0, 0.15);
    }

    [data-theme="dark"] .favorite-group__header {
        color: var(--color-text-primary);
        background-color: var(--color-surface-3);
    }

    .favorite-group__icon {
        font-size: var(--font-size-xs);
        opacity: 0.7;
    }

    .favorite-group__name {
        flex: 1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-width: 0;
    }

    .favorite-group__edit {
        opacity: 0;
        transition: opacity var(--transition-fast);
        cursor: pointer;
        padding: var(--space-1);
        font-size: var(--font-size-xs);
        color: rgba(255, 255, 255, 0.6);
    }

    .favorite-group__header:hover .favorite-group__edit {
        opacity: 1;
    }

    .favorite-group__edit:hover {
        color: var(--color-primary-light);
    }

    [data-theme="dark"] .favorite-group__edit {
        color: var(--color-text-tertiary);
    }

    [data-theme="dark"] .favorite-group__edit:hover {
        color: var(--color-primary);
    }

    .favorite-group__input {
        flex: 1;
        padding: var(--space-1) var(--space-2);
        font-size: var(--font-size-sm);
        background: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-sm);
        color: white;
        outline: none;
    }

    .favorite-group__input:focus {
        background: rgba(255, 255, 255, 0.2);
        border-color: var(--color-primary);
    }

    [data-theme="dark"] .favorite-group__input {
        background: var(--color-surface-1);
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }

    .favorite-group__count {
        font-size: var(--font-size-xs);
        background: rgba(255, 255, 255, 0.2);
        padding: 2px 6px;
        border-radius: var(--radius-full);
        color: rgba(255, 255, 255, 0.8);
    }

    [data-theme="dark"] .favorite-group__count {
        background: var(--color-surface-hover);
        color: var(--color-text-secondary);
    }

    .favorite-group__actions {
        display: flex;
        gap: var(--space-1);
        opacity: 0;
        transition: opacity var(--transition-fast);
    }

    .favorite-group:hover .favorite-group__actions {
        opacity: 1;
    }

    .favorite-group__btn {
        padding: var(--space-1);
        background: none;
        border: none;
        color: rgba(255, 255, 255, 0.6);
        cursor: pointer;
        font-size: var(--font-size-xs);
        transition: color var(--transition-fast);
        border-radius: var(--radius-sm);
    }

    [data-theme="dark"] .favorite-group__btn {
        color: var(--color-text-tertiary);
    }

    .favorite-group__btn:hover {
        color: white;
        background: rgba(255, 255, 255, 0.1);
    }

    [data-theme="dark"] .favorite-group__btn:hover {
        color: var(--color-text-primary);
        background: var(--color-surface-hover);
    }

    .favorite-group__content {
        padding: var(--space-1) 0;
    }

    .favorite-item {
        padding: var(--space-2) var(--space-3);
        color: rgba(255, 255, 255, 0.8);
        font-size: var(--font-size-sm);
        cursor: pointer;
        transition: background-color var(--transition-fast);
        display: flex;
        align-items: center;
        gap: var(--space-2);
    }

    [data-theme="dark"] .favorite-item {
        color: var(--color-text-secondary);
    }

    .favorite-item:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    [data-theme="dark"] .favorite-item:hover {
        background-color: var(--color-surface-hover);
    }

    .favorite-item__icon {
        width: 16px;
        text-align: center;
        font-size: var(--font-size-xs);
        opacity: 0.7;
    }

    .favorite-item__text {
        flex: 1;
    }

    .favorite-item__app {
        font-size: var(--font-size-xs);
        opacity: 0.5;
        margin-right: var(--space-2);
    }

    .favorite-item__remove {
        opacity: 0;
        transition: opacity var(--transition-fast);
        color: var(--color-error);
        padding: var(--space-1);
        cursor: pointer;
    }

    .favorite-item:hover .favorite-item__remove {
        opacity: 1;
    }

    .favorite-item__remove:hover {
        color: var(--color-error-light);
    }

    /* Favorite Item - 여백 줄이기 및 ellipsis */
    .favorite-item {
        padding: var(--space-1) var(--space-2);
        gap: var(--space-1);
    }

    .favorite-item__text {
        flex: 1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-width: 0;
    }

    .favorite-item__move {
        opacity: 0;
        transition: opacity var(--transition-fast);
        color: rgba(255, 255, 255, 0.6);
        padding: var(--space-1);
        cursor: pointer;
        font-size: var(--font-size-xs);
    }

    .favorite-item:hover .favorite-item__move {
        opacity: 1;
    }

    .favorite-item__move:hover {
        color: var(--color-primary-light);
    }

    [data-theme="dark"] .favorite-item__move {
        color: var(--color-text-tertiary);
    }

    [data-theme="dark"] .favorite-item__move:hover {
        color: var(--color-primary);
    }

    /* Favorite Group Popup */
    .favorite-popup-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: var(--z-profile);
    }

    .favorite-popup {
        background: white;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-xl);
        min-width: 320px;
        max-width: 90vw;
    }

    [data-theme="dark"] .favorite-popup {
        background: var(--color-surface);
        border: 1px solid var(--color-border);
    }

    .favorite-popup__header {
        padding: var(--space-3) var(--space-4);
        border-bottom: 1px solid var(--color-border-light);
        font-weight: var(--font-weight-semibold);
        font-size: var(--font-size-base);
        color: var(--color-text-primary);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    [data-theme="dark"] .favorite-popup__header {
        border-bottom-color: var(--color-border);
    }

    .favorite-popup__close {
        background: none;
        border: none;
        color: var(--color-text-tertiary);
        cursor: pointer;
        padding: var(--space-1);
        font-size: var(--font-size-base);
        transition: color var(--transition-fast);
    }

    .favorite-popup__close:hover {
        color: var(--color-text-primary);
    }

    .favorite-popup__body {
        padding: var(--space-4);
    }

    .favorite-popup__menu-name {
        font-size: var(--font-size-sm);
        color: var(--color-text-secondary);
        margin-bottom: var(--space-3);
        padding: var(--space-2);
        background: var(--color-surface-secondary);
        border-radius: var(--radius-sm);
    }

    [data-theme="dark"] .favorite-popup__menu-name {
        background: var(--color-surface-hover);
    }

    .favorite-popup__field {
        margin-bottom: var(--space-3);
    }

    .favorite-popup__field label {
        display: block;
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-medium);
        color: var(--color-text-secondary);
        margin-bottom: var(--space-1);
    }

    .favorite-popup__field input {
        width: 100%;
        padding: var(--space-2) var(--space-3);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        font-size: var(--font-size-sm);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .favorite-popup__field input:focus {
        outline: none;
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
    }

    [data-theme="dark"] .favorite-popup__field input {
        background: var(--color-surface-secondary);
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }

    .favorite-popup__footer {
        padding: var(--space-3) var(--space-4);
        border-top: 1px solid var(--color-border-light);
        display: flex;
        justify-content: flex-end;
        gap: var(--space-2);
    }

    [data-theme="dark"] .favorite-popup__footer {
        border-top-color: var(--color-border);
    }

    .favorite-popup__btn {
        padding: var(--space-2) var(--space-4);
        border-radius: var(--radius-md);
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-medium);
        cursor: pointer;
        transition: all var(--transition-fast);
        border: none;
    }

    .favorite-popup__btn--cancel {
        background: var(--color-surface-secondary);
        color: var(--color-text-secondary);
    }

    .favorite-popup__btn--cancel:hover {
        background: var(--color-surface-hover);
    }

    [data-theme="dark"] .favorite-popup__btn--cancel {
        background: var(--color-surface-hover);
        color: var(--color-text-secondary);
    }

    .favorite-popup__btn--save {
        background: var(--color-primary);
        color: white;
    }

    .favorite-popup__btn--save:hover {
        background: var(--color-primary-dark);
    }

    /* Calendar & Memo - Secondary Theme */
    .mini-calendar {
        flex-shrink: 0;
        box-sizing: border-box;
    }

    .mini-calendar__header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--space-1) 0;
        margin-bottom: var(--space-1);
        color: var(--color-secondary-light, #adb5bd);
        font-weight: var(--font-weight-semibold);
        font-size: var(--font-size-sm);
    }

    [data-theme="dark"] .mini-calendar__header {
        color: var(--color-text-primary);
    }

    .mini-calendar__nav {
        background: none;
        border: none;
        color: var(--color-secondary, #6c757d);
        cursor: pointer;
        padding: var(--space-1);
        transition: color var(--transition-fast);
        font-size: var(--font-size-xs);
    }

    [data-theme="dark"] .mini-calendar__nav {
        color: var(--color-secondary, #6c757d);
    }

    .mini-calendar__nav:hover {
        color: var(--color-secondary-light, #adb5bd);
    }

    [data-theme="dark"] .mini-calendar__nav:hover {
        color: var(--color-text-primary);
    }

    .mini-calendar__grid {
        display: grid;
        grid-template-columns: repeat(7, 1fr);
        gap: 0;
        margin-bottom: 2px;
    }

    .mini-calendar__weekday {
        text-align: center;
        font-size: 10px;
        color: var(--color-secondary, #6c757d);
        padding: 3px 0;
        font-weight: var(--font-weight-medium);
        min-width: 0;
    }

    [data-theme="dark"] .mini-calendar__weekday {
        color: var(--color-secondary, #6c757d);
    }

    .mini-calendar__day {
        text-align: center;
        font-size: var(--font-size-xs);
        color: rgba(255, 255, 255, 0.7);
        padding: var(--space-1);
        cursor: pointer;
        border-radius: var(--radius-sm);
    }

    [data-theme="dark"] .mini-calendar__day {
        color: var(--color-text-secondary);
    }

    .mini-calendar__day:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    [data-theme="dark"] .mini-calendar__day:hover {
        background-color: var(--color-surface-hover);
    }

    .mini-calendar__day--today {
        background-color: var(--color-primary-light);
        color: white;
        font-weight: var(--font-weight-semibold);
    }

    [data-theme="dark"] .mini-calendar__day--today {
        background-color: var(--color-primary);
    }

    .mini-calendar__day--other-month {
        color: rgba(255, 255, 255, 0.3);
    }

    [data-theme="dark"] .mini-calendar__day--other-month {
        color: var(--color-text-disabled);
    }

    .mini-calendar__day--selected {
        background-color: var(--color-primary);
        color: white;
        font-weight: var(--font-weight-semibold);
    }

    [data-theme="dark"] .mini-calendar__day--selected {
        background-color: var(--color-primary-dark);
    }

    /* SPAComponent calendar 타입에서 사용하는 days 컨테이너 */
    .mini-calendar__days,
    .mini-calendar [col="calendarDays"] {
        display: grid;
        grid-template-columns: repeat(7, 1fr);
        gap: 0;
        border: 1px solid var(--color-secondary, #6c757d);
        border-radius: var(--radius-sm);
        overflow: hidden;
    }

    [data-theme="dark"] .mini-calendar__days,
    [data-theme="dark"] .mini-calendar [col="calendarDays"] {
        border-color: var(--color-secondary-dark, #5a6268);
    }

    .mini-calendar__title {
        font-weight: var(--font-weight-semibold);
        color: white;
    }

    [data-theme="dark"] .mini-calendar__title {
        color: var(--color-text-primary);
    }

    /* SPAComponent calendar 타입에서 생성하는 클래스들 (mini-calendar 내부) */
    .mini-calendar .calendar__day {
        text-align: center;
        font-size: 11px;
        color: #e8eaed !important;
        padding: 5px 2px;
        cursor: pointer !important;
        border-radius: 0;
        border-right: 1px solid rgba(255, 255, 255, 0.15);
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        background-color: rgba(52, 73, 94, 0.6) !important;
        min-width: 0;
        min-height: 1.8em;
        transition: background-color var(--transition-fast), transform var(--transition-fast);
    }

    .mini-calendar .calendar__day:nth-child(7n) {
        border-right: none;
    }

    .mini-calendar .calendar__day:nth-last-child(-n+7) {
        border-bottom: none;
    }

    /* 일요일 (1번째, 8번째, ... 열) */
    .mini-calendar .calendar__day:nth-child(7n+1) {
        color: #ff6b6b !important;
    }

    /* 토요일 (7번째, 14번째, ... 열) */
    .mini-calendar .calendar__day:nth-child(7n) {
        color: #74b9ff !important;
    }

    [data-theme="dark"] .mini-calendar .calendar__day {
        color: var(--color-text-secondary);
        border-color: var(--color-border-light);
        background-color: var(--color-surface-2);
    }

    [data-theme="dark"] .mini-calendar .calendar__day:nth-child(7n+1) {
        color: #ff8787 !important;
    }

    [data-theme="dark"] .mini-calendar .calendar__day:nth-child(7n) {
        color: #91c6ff !important;
    }

    .mini-calendar .calendar__day:hover {
        background-color: rgba(255, 255, 255, 0.25) !important;
        transform: scale(1.05);
    }

    [data-theme="dark"] .mini-calendar .calendar__day:hover {
        background-color: var(--color-surface-hover);
    }

    .mini-calendar .calendar__day--today {
        background-color: #3498db !important;
        color: white !important;
        font-weight: var(--font-weight-bold);
        box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.4);
    }

    [data-theme="dark"] .mini-calendar .calendar__day--today {
        background-color: var(--color-primary) !important;
        box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.3);
    }

    .mini-calendar .calendar__day--other-month {
        color: rgba(255, 255, 255, 0.2) !important;
        background-color: rgba(30, 40, 50, 0.4) !important;
        cursor: default !important;
    }

    .mini-calendar .calendar__day--other-month:hover {
        transform: none !important;
        background-color: rgba(30, 40, 50, 0.4) !important;
    }

    [data-theme="dark"] .mini-calendar .calendar__day--other-month {
        color: var(--color-text-disabled) !important;
        background-color: var(--color-surface-1) !important;
    }

    .mini-calendar .calendar__day--selected {
        background-color: #2980b9 !important;
        color: white !important;
        font-weight: var(--font-weight-bold);
        box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.3);
    }

    [data-theme="dark"] .mini-calendar .calendar__day--selected {
        background-color: var(--color-primary-dark) !important;
    }

    .mini-calendar .calendar__day-number {
        display: block;
        line-height: 1.4;
        font-weight: 500;
    }

    .mini-calendar .calendar__day-dots {
        display: flex;
        justify-content: center;
        gap: 2px;
        margin-top: 2px;
    }

    .mini-calendar .calendar__day-dot {
        width: 4px;
        height: 4px;
        border-radius: 50%;
        box-shadow: 0 0 2px rgba(0, 0, 0, 0.3);
    }

    /* Memo Section */
    .memo-quick-add {
        display: flex !important;
        flex-direction: column;
        gap: var(--space-2) !important;
        flex-shrink: 0;
        background-color: rgba(0, 0, 0, 0.15);
        border-radius: var(--radius-md);
        padding: var(--space-3) !important;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    [data-theme="dark"] .memo-quick-add {
        background-color: var(--color-surface-2);
        border-color: var(--color-border);
    }

    .memo-quick-add__top-row {
        display: flex;
        gap: var(--space-2);
        align-items: center;
    }

    .memo-quick-add__top-row .memo-quick-add__date {
        flex: 1;
        min-width: 0;
    }

    .memo-quick-add__top-row .memo-quick-add__color {
        flex-shrink: 0;
    }

    .memo-quick-add__textarea {
        width: 100% !important;
        padding: var(--space-2) !important;
        background-color: rgba(52, 73, 94, 0.6) !important;
        border: 1px solid rgba(255, 255, 255, 0.25) !important;
        border-radius: var(--radius-sm) !important;
        color: #e8eaed !important;
        font-size: var(--font-size-sm) !important;
        resize: none !important;
        min-height: 50px !important;
        box-sizing: border-box;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .memo-quick-add__textarea:focus {
        border-color: #3498db !important;
        box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.3) !important;
        outline: none !important;
    }

    .memo-quick-add__date {
        width: 100% !important;
        padding: var(--space-2) !important;
        background-color: rgba(52, 73, 94, 0.6) !important;
        border: 1px solid rgba(255, 255, 255, 0.25) !important;
        border-radius: var(--radius-sm) !important;
        color: #e8eaed !important;
        font-size: var(--font-size-sm) !important;
        box-sizing: border-box;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .memo-quick-add__date:focus {
        border-color: #3498db !important;
        box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.3) !important;
        outline: none !important;
    }

    .memo-quick-add .input-ymd {
        color: #74b9ff !important;
        background-color: rgba(52, 73, 94, 0.6) !important;
        border: 1px solid rgba(255, 255, 255, 0.25) !important;
        border-radius: var(--radius-sm) !important;
        padding: var(--space-2) !important;
    }

    .memo-quick-add .input-ymd:focus {
        border-color: #3498db !important;
        box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.3) !important;
        outline: none !important;
    }

    [data-theme="dark"] .memo-quick-add__textarea {
        background-color: var(--color-surface-3);
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }

    [data-theme="dark"] .memo-quick-add__date,
    [data-theme="dark"] .memo-quick-add .input-ymd {
        background-color: var(--color-surface-3);
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }

    .memo-quick-add__file {
        width: 100%;
        background-color: transparent !important;
        border: none !important;
    }

    .memo-quick-add__file .input-file-wrapper {
        background-color: rgba(52, 73, 94, 0.4);
        border: 1px dashed rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-sm);
        padding: var(--space-2);
    }

    .memo-quick-add__file .input-file-btn {
        background-color: rgba(52, 73, 94, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-sm);
        color: #e8eaed;
        font-size: var(--font-size-sm);
        padding: var(--space-1) var(--space-2);
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .memo-quick-add__file .input-file-btn:hover {
        background-color: rgba(52, 152, 219, 0.6);
        border-color: #3498db;
        color: white;
    }

    [data-theme="dark"] .memo-quick-add__file .input-file-wrapper {
        background-color: var(--color-surface-3);
        border-color: var(--color-border);
    }

    [data-theme="dark"] .memo-quick-add__file .input-file-btn {
        background-color: var(--color-surface-hover);
        border-color: var(--color-border);
        color: var(--color-text-secondary);
    }

    .memo-quick-add__file .input-file-list {
        margin-top: var(--space-2);
        font-size: var(--font-size-xs);
        color: rgba(255, 255, 255, 0.8);
    }

    .memo-quick-add__file .input-file-item {
        background-color: rgba(52, 73, 94, 0.6);
        border-radius: var(--radius-xs);
        padding: var(--space-1);
        margin-bottom: var(--space-1);
        color: #e8eaed;
    }

    [data-theme="dark"] .memo-quick-add__file .input-file-list {
        color: var(--color-text-secondary);
    }

    [data-theme="dark"] .memo-quick-add__file .input-file-item {
        background-color: var(--color-surface-3);
    }

    .memo-quick-add__footer {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        gap: var(--space-2);
    }

    .memo-quick-add__color {
        width: var(--size-control-md) !important;
        height: var(--size-control-sm) !important;
        padding: 2px !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
        border-radius: var(--radius-sm) !important;
        cursor: pointer;
        background: transparent;
    }

    .memo-quick-add__color::-webkit-color-swatch-wrapper {
        padding: 0;
    }

    .memo-quick-add__color::-webkit-color-swatch {
        border: none;
        border-radius: var(--radius-xs);
    }

    [data-theme="dark"] .memo-quick-add__color {
        border-color: var(--color-border);
    }

    [data-theme="dark"] .memo-quick-add__textarea {
        background-color: var(--color-surface-2);
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }

    .memo-quick-add__textarea::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }

    [data-theme="dark"] .memo-quick-add__textarea::placeholder {
        color: var(--color-text-tertiary);
    }

    .memo-quick-add__btn {
        align-self: flex-end;
        background-color: var(--color-secondary, #6c757d);
        color: white;
        border: none;
        border-radius: var(--radius-sm);
        padding: var(--space-1) var(--space-3);
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-medium);
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: var(--space-1);
    }

    .memo-quick-add__btn:hover {
        background-color: var(--color-secondary-dark, #5a6268);
    }

    [data-theme="dark"] .memo-quick-add__btn {
        background-color: var(--color-secondary, #6c757d);
    }

    [data-theme="dark"] .memo-quick-add__btn:hover {
        background-color: var(--color-secondary-dark, #5a6268);
    }

    .memo-list {
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        overflow-x: hidden;
        padding: var(--space-1) 0;
    }

    .memo-list [row-container] {
        row-gap: 1px;
    }

    .memo-item {
        display: flex !important;
        flex-direction: column;
        gap: var(--space-1);
        padding: var(--space-2) !important;
        background-color: rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-sm);
        font-size: var(--font-size-sm);
        color: rgba(255, 255, 255, 0.75);
        cursor: pointer;
        /* 좌측 border로 색상 표시 (3px) */
        border-left: 3px solid #6b7280;
        word-break: break-word;
        max-height: 5rem;
        overflow-y: hidden;
    }

    .memo-item:hover {
        background-color: rgba(255, 255, 255, 0.12);
    }

    [data-theme="dark"] .memo-item {
        background-color: var(--color-surface-2);
        color: var(--color-text-secondary);
    }

    [data-theme="dark"] .memo-item:hover {
        background-color: var(--color-surface-3);
    }

    .memo-item__header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: var(--space-2);
    }

    .memo-item__file-count {
        font-size: var(--font-size-sm) !important;
        color: rgba(255, 255, 255, 0.6) !important;
        display: inline-flex !important;
        flex: 0 0 1px;
        padding: 0 !important;
        border: 0 !important;
        margin-left: 3px;
        column-gap: 2px;
    }

    .memo-item__file-count:empty {
        display: none;
    }

    [data-theme="dark"] .memo-item__file-count {
        color: var(--color-text-tertiary);
    }

    .memo-item__date {
        font-size: var(--font-size-xs);
        color: var(--color-secondary-light) !important;
        border: none !important;
        background: transparent !important;
        padding: 0 !important;
        outline: none !important;
        box-shadow: none !important;
        min-height: unset !important;
        text-align: left !important;
    }

    .memo-item [col="reg_dt"] {
        font-size: var(--font-size-xs);
        color: var(--color-text-tertiary) !important;
        text-align: right !important;
    }

    [data-theme="dark"] .memo-item__date,
    [data-theme="dark"] .memo-item [col="reg_dt"] {
        color: var(--color-text-tertiary);
    }

    .memo-item__content,
    .memo-item [col="memo_content"] {
        color: rgba(255, 255, 255, 0.85);
        line-height: 1.4;
        border: none !important;
        background: transparent !important;
        padding: 0 !important;
        outline: none !important;
        box-shadow: none !important;
    }

    [data-theme="dark"] .memo-item__content,
    [data-theme="dark"] .memo-item [col="memo_content"] {
        color: var(--color-text-secondary);
    }

    .memo-item__delete {
        background: none;
        border: none;
        color: #e74c3c;
        cursor: pointer;
        padding: 2px;
        font-size: var(--font-size-sm);
        transition: color var(--transition-fast), opacity var(--transition-fast);
        opacity: 0.7;
    }

    [data-theme="dark"] .memo-item__delete {
        color: var(--color-error);
    }

    .memo-item__delete:hover {
        color: #c0392b;
        opacity: 1;
    }

    [data-theme="dark"] .memo-item__delete:hover {
        color: var(--color-error-dark, #dc2626);
    }

    /* Memo Detail Form (팝업용 템플릿) */
    .memo-detail-form {
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
    }

    .memo-detail-form__row {
        display: flex;
        flex-direction: column;
        gap: var(--space-1);
    }

    .memo-detail-form__label {
        font-size: var(--font-size-sm);
        color: var(--color-text-secondary);
        font-weight: var(--font-weight-medium);
    }

    .memo-detail-form__color {
        width: var(--size-control-lg) !important;
        height: var(--size-control-sm) !important;
        padding: 2px !important;
        border: 1px solid var(--color-border) !important;
        border-radius: var(--radius-sm) !important;
        cursor: pointer;
        background: transparent !important;
    }

    .memo-detail-form__color::-webkit-color-swatch-wrapper {
        padding: 2px;
    }

    .memo-detail-form__color::-webkit-color-swatch {
        border: none;
        border-radius: 2px;
    }

    /* Memo Detail Form - Inline Row (날짜 + 색상 한 줄) */
    .memo-detail-form__row--inline {
        flex-direction: row;
        align-items: flex-end;
        gap: var(--space-3);
    }

    .memo-detail-form__col {
        display: flex;
        flex-direction: column;
        gap: var(--space-1);
    }

    .memo-detail-form__col--date {
        flex: 0 0 auto;
        width: 140px;
    }

    .memo-detail-form__col--date .input-ymd-wrapper {
        width: 100%;
    }

    .memo-detail-form__col--color {
        flex: 0 0 auto;
    }

    /* Memo File Attach */
    .memo-file-attach {
        width: 100%;
    }

    .memo-file-attach .file-attach-list {
        max-height: 150px;
        overflow-y: auto;
    }

    /* Company CI */
    .company-ci {
        background-color: var(--color-text-primary);
        padding: var(--space-4);
        text-align: center;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        flex-shrink: 0;
    }

    [data-theme="dark"] .company-ci {
        border-top-color: var(--color-border);
    }

    .company-ci__text {
        font-size: var(--font-size-xs);
        font-weight: var(--font-weight-medium);
        line-height: 1.6;
    }
 
    .company-ci__text--light {
        color: #ffffff;
        display: block;
        margin-top: var(--space-1);
    }
 
    [data-theme="dark"] .company-ci__text--light {
        color: #000;
    }

    /* MDI Layout - Main Content Area */
    .mdi-main {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        background-color: var(--color-bg-dark);
        position: relative;
    }

    /* MDI Mode Controls */
    .mdi-controls {
        display: none; /* Hidden when single page */
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-2) var(--space-4);
        background-color: var(--color-surface-1);
        border-bottom: 1px solid var(--color-border);
        flex-shrink: 0;
    }

    .mdi-controls--visible {
        display: flex;
    }

    .mdi-mode-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border: 1px solid var(--color-border);
        background-color: var(--color-surface);
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: all var(--transition-fast);
        color: var(--color-text-secondary);
    }

    .mdi-mode-btn:hover {
        background-color: var(--color-surface-hover);
        border-color: var(--color-primary);
        color: var(--color-primary);
    }

    .mdi-mode-btn--active {
        background-color: var(--color-primary);
        border-color: var(--color-primary);
        color: white;
    }

    .mdi-controls__label {
        font-size: var(--font-size-sm);
        color: var(--color-text-secondary);
        font-weight: var(--font-weight-medium);
        margin-right: var(--space-2);
    }

    .mdi-layout {
        display: flex;
        width: 100%;
        height: 100%;
        overflow: hidden;
        position: relative;
        background-color: var(--color-bg-lighter);
    }

    /* Default mode: single page visible */
    .mdi-layout--default {
        display: flex;
    }

    .mdi-layout--default .mdi-page-wrapper {
        width: 100%;
        height: 100%;
        display: none; /* Hide all by default */
    }

    .mdi-layout--default .mdi-page-wrapper--active {
        display: flex !important; /* Show only active */
    }

    /* FlexCol mode: vertical stack */
    .mdi-layout--flexCol {
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        gap: var(--space-2);
        padding: var(--space-2);
    }

    .mdi-layout--flexCol .mdi-page-wrapper {
        width: 100%;
        min-height: 400px;
        height: auto;
        flex: 1 0 auto;
        display: flex !important;
    }

    /* FlexRow mode: horizontal layout */
    .mdi-layout--flexRow {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        gap: var(--space-2);
        padding: var(--space-2);
    }

    .mdi-layout--flexRow .mdi-page-wrapper {
        height: 100%;
        min-width: 600px;
        max-width: 50%;
        width: auto;
        flex: 1 0 auto;
        display: flex !important;
    }

    /* Grid mode: grid layout */
    .mdi-layout--grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
        grid-auto-rows: minmax(400px, 1fr);
        gap: var(--space-2);
        padding: var(--space-2);
        overflow: auto;
    }

    .mdi-layout--grid .mdi-page-wrapper {
        width: 100%;
        height: 100%;
        display: flex !important;
    }

    /* Free mode: absolute positioning with drag & drop */
    .mdi-layout--free {
        position: relative;
        width: 100%;
        height: 100%;
    }

    .mdi-layout--free .mdi-page-wrapper {
        position: absolute;
        display: flex !important;
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        background-color: var(--color-surface);
        border-radius: var(--radius-md);
        overflow: hidden;
    }

    /* Default positions for free mode (cascade) */
    .mdi-layout--free .mdi-page-wrapper:nth-child(1) {
        top: 20px;
        left: 20px;
        width: 800px;
        height: 600px;
    }

    .mdi-layout--free .mdi-page-wrapper:nth-child(2) {
        top: 60px;
        left: 60px;
        width: 800px;
        height: 600px;
    }

    .mdi-layout--free .mdi-page-wrapper:nth-child(3) {
        top: 100px;
        left: 100px;
        width: 800px;
        height: 600px;
    }

    .mdi-layout--free .mdi-page-wrapper:nth-child(n+4) {
        top: 140px;
        left: 140px;
        width: 800px;
        height: 600px;
    }

    .mdi-page-wrapper {
        position: relative;
        overflow: visible;
        display: flex;
        flex-direction: column;
        background-color: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
    }

    /* MDI Page Header (for free mode) */
    .mdi-page-header {
        display: none; /* Hidden in non-free modes */
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-2) var(--space-3);
        background-color: var(--color-surface-1);
        border-bottom: 1px solid var(--color-border);
        cursor: move;
        user-select: none;
        flex-shrink: 0;
    }

    .mdi-layout--free .mdi-page-header {
        display: flex;
    }

    .mdi-page-header__title {
        flex: 1;
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-semibold);
        color: var(--color-text-primary);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mdi-page-header__close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        color: var(--color-text-secondary);
        transition: all var(--transition-fast);
    }

    .mdi-page-header__close:hover {
        background-color: var(--color-error);
        color: white;
    }

    /* Resize handles for free mode */
    .mdi-resize-handle {
        position: absolute;
        background-color: transparent;
        z-index: var(--z-above);
    }

    .mdi-resize-handle--n {
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        cursor: ns-resize;
    }

    .mdi-resize-handle--s {
        bottom: 0;
        left: 0;
        right: 0;
        height: 4px;
        cursor: ns-resize;
    }

    .mdi-resize-handle--e {
        top: 0;
        right: 0;
        bottom: 0;
        width: 4px;
        cursor: ew-resize;
    }

    .mdi-resize-handle--w {
        top: 0;
        left: 0;
        bottom: 0;
        width: 4px;
        cursor: ew-resize;
    }

    .mdi-resize-handle--ne {
        top: 0;
        right: 0;
        width: 8px;
        height: 8px;
        cursor: nesw-resize;
    }

    .mdi-resize-handle--nw {
        top: 0;
        left: 0;
        width: 8px;
        height: 8px;
        cursor: nwse-resize;
    }

    .mdi-resize-handle--se {
        bottom: 0;
        right: 0;
        width: 8px;
        height: 8px;
        cursor: nwse-resize;
    }

    .mdi-resize-handle--sw {
        bottom: 0;
        left: 0;
        width: 8px;
        height: 8px;
        cursor: nesw-resize;
    }

    /* Active page in free mode */
    .mdi-layout--free .mdi-page-wrapper--active {
        z-index: var(--z-page-header);
        box-shadow: var(--shadow-xl);
    }

    /* Free mode positioning using CSS variables */
    .mdi-layout--free .mdi-page-wrapper--positioned {
        left: var(--mdi-left, 20px) !important;
        top: var(--mdi-top, 20px) !important;
        width: var(--mdi-width, 800px) !important;
        height: var(--mdi-height, 600px) !important;
    }

    /* Content will be loaded here dynamically */
    .mdi-page-content {
        flex: 1;
        overflow: auto;
    }

    /* Page content should fill wrapper in MDI modes */
    .mdi-page-wrapper > [pg] {
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        overflow-x: clip; /* page-cond 등 absolute 요소가 수평으로 넘치지 않도록 */
    }

    /* Mobile - Hide MDI controls */
    @media (max-width: 768px) {
        .mdi-controls {
            display: none !important;
        }
    }

    /* Mobile Hamburger Menu Button */
    .mobile-menu-btn {
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 44px;
        height: 44px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 10px;
        z-index: calc(var(--z-dropdown) + 1);
        border-radius: var(--radius-sm);
        transition: background-color var(--transition-fast);
        flex-shrink: 0;
    }

    .mobile-menu-btn:hover {
        background-color: var(--color-surface-hover);
    }

    .mobile-menu-btn span {
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--color-text-primary);
        border-radius: 2px;
        transition: all var(--transition-slow);
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-10px);
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Mobile Sidebar Overlay */
    .mobile-sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: var(--z-mobile-nav);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-slow), visibility var(--transition-slow);
    }

    .mobile-sidebar-overlay--active {
        opacity: 1;
        visibility: visible;
    }

    /* Mobile Responsive Styles */
    @media (max-width: 768px) {
        /* 강제로 전체 레이아웃 재설정 */
        html, body {
            position: fixed !important;
            width: 100% !important;
            height: 100vh !important;
            overflow: hidden !important;
        }

        div[pg="spa.frameset"] {
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            right: 0 !important;
            bottom: 0 !important;
            width: 100% !important;
            height: 100vh !important;
        }

        .frameset__header {
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            right: 0 !important;
            z-index: var(--z-page-header) !important;
        }

        .frameset__body {
            position: fixed !important;
            top: var(--header-height) !important;
            left: 0 !important;
            right: 0 !important;
            bottom: 0 !important;
            height: calc(100vh - var(--header-height)) !important;
            overflow: visible !important;
            -webkit-transform: translate3d(0, 0, 0) !important;
            transform: translate3d(0, 0, 0) !important;
        }

        /* 모바일에서 햄버거 버튼 표시 */
        .mobile-menu-btn {
            display: flex;
            margin-left: var(--space-2);
            flex-shrink: 0;
        }

        /* 로고 영역 축소 및 배경 제거 */
        .header-logo {
            width: auto;
            min-width: auto;
            padding: 0 var(--space-2);
            background: none !important;
            border-right: none !important;
        }

        .header-logo::before {
            display: none;
        }

        .header-logo__img {
            max-width: 100px;
        }

        /* MDI 탭 헤더 숨김 */
        .mdi-tabs-header {
            display: none !important;
        }

        /* 사이드바를 화면 밖으로 이동 */
        .frameset__sidebar {
            position: fixed !important;
            left: -260px !important;
            top: 0 !important;
            bottom: 0 !important;
            height: 100vh !important;
            width: 260px !important;
            max-width: 85vw !important;
            z-index: calc(var(--z-dropdown) + 1) !important;
            transition: left var(--transition-slow) !important;
            box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15) !important;
            overflow-y: auto !important;
            padding-top: 0 !important;
            background: #2c3e50 !important;
            -webkit-transform: translate3d(0, 0, 0) !important;
            transform: translate3d(0, 0, 0) !important;
            will-change: left !important;
        }

        /* 모바일에서는 토글 버튼 숨김 */
        .frameset__sidebar > .sidebar-toggle {
            display: none !important;
        }

        /* 사이드바 열린 상태 */
        .frameset__sidebar--mobile-open {
            left: 0 !important;
        }

        /* 메인 컨텐츠는 전체 너비 */
        .frameset__main {
            width: 100% !important;
        }

        /* 모바일에서는 collapsed 클래스 무시 */
        .frameset__sidebar--collapsed {
            width: 260px !important;
            left: -260px !important;
        }

        .frameset__sidebar--collapsed.frameset__sidebar--mobile-open {
            left: 0 !important;
        }

        /* 모바일에서 텍스트 항상 표시 */
        .frameset__sidebar--collapsed .sidebar-tab__text,
        .frameset__sidebar--collapsed .sidebar-toggle__text,
        .frameset__sidebar--collapsed .menu-tree__text,
        .frameset__sidebar--collapsed .favorite-item__text,
        .frameset__sidebar--collapsed .company-ci__text,
        .frameset__sidebar--collapsed .menu-app__header span,
        .frameset__sidebar--collapsed .menu-group__header span,
        .frameset__sidebar--collapsed .menu-page span,
        .frameset__sidebar--collapsed .company-ci__text--dark,
        .frameset__sidebar--collapsed .company-ci__text--light {
            display: initial !important;
            visibility: visible !important;
            width: auto !important;
            height: auto !important;
            opacity: 1 !important;
            white-space: nowrap;
        }

        .frameset__sidebar--collapsed .menu-app__header,
        .frameset__sidebar--collapsed .menu-group__header,
        .frameset__sidebar--collapsed .menu-page {
            font-size: inherit !important;
            justify-content: flex-start !important;
            padding: var(--space-2) var(--space-3) !important;
        }

        .frameset__sidebar--collapsed .company-ci {
            font-size: inherit !important;
            padding: var(--space-4) !important;
        }

        .frameset__sidebar--collapsed .menu-app__toggle,
        .frameset__sidebar--collapsed .menu-group__toggle {
            display: inline-block !important;
        }

        /* 모바일에서 하위 메뉴 표시 - collapsed 무시 */
        .frameset__sidebar .menu-app__content,
        .frameset__sidebar .menu-group__content,
        .frameset__sidebar--collapsed .menu-app__content,
        .frameset__sidebar--collapsed .menu-group__content {
            display: none;
            margin-left: var(--space-3);
        }

        .frameset__sidebar .menu-app__content--expanded,
        .frameset__sidebar .menu-group__content--expanded,
        .frameset__sidebar--collapsed .menu-app__content--expanded,
        .frameset__sidebar--collapsed .menu-group__content--expanded {
            display: block !important;
        }

        /* 메뉴 항목 스타일 */
        .frameset__sidebar .menu-app,
        .frameset__sidebar .menu-group,
        .frameset__sidebar .menu-page,
        .frameset__sidebar--collapsed .menu-app,
        .frameset__sidebar--collapsed .menu-group,
        .frameset__sidebar--collapsed .menu-page {
            display: block !important;
        }

        /* 사용자 프로필 간소화 */
        .user-profile__info {
            display: none;
        }

        .user-profile__dropdown {
            display: none;
        }
    }

    /* Tablet 크기 */
    @media (min-width: 769px) and (max-width: 1024px) {
        :root {
            --sidebar-width: 13.75rem;
        }
    } 

    /* ============================================
   Mobile MDI Tabs - Hidden on Desktop
   ============================================ */

/* Mobile MDI Tabs Button (우측 하단 Fixed) */
.mobile-mdi-tabs-btn {
    display: none; /* 기본 숨김, 모바일에서만 표시 */
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    z-index: var(--z-dropdown);
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all var(--transition-slow);
    opacity: 0;
    transform: scale(0.8);
}

.mobile-mdi-tabs-btn.mobile-mdi-tabs-btn--visible {
    opacity: 1;
    transform: scale(1);
}

.mobile-mdi-tabs-btn:active {
    transform: scale(0.95);
}

.mobile-mdi-tabs-btn__badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    background: var(--color-error);
    color: white;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    border: 2px solid var(--color-bg);
}

/* Mobile MDI Tabs Overlay */
.mobile-mdi-tabs-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-sticky);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.mobile-mdi-tabs-overlay--active {
    display: block;
    opacity: 1;
}

/* Mobile MDI Tabs Popup */
.mobile-mdi-tabs-popup {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 70vh;
    background: var(--color-surface);
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: var(--z-fixed);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.mobile-mdi-tabs-popup--active {
    display: flex;
    flex-direction: column;
    transform: translateY(0);
}

.mobile-mdi-tabs-popup__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.mobile-mdi-tabs-popup__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
}

.mobile-mdi-tabs-popup__close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.mobile-mdi-tabs-popup__close:active {
    background: var(--color-hover);
}

.mobile-mdi-tabs-popup__content {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

/* Mobile MDI Tab Item */
.mobile-mdi-tab {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 4px;
    background: var(--color-bg);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-mdi-tab:active {
    background: var(--color-hover);
}

.mobile-mdi-tab--active {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.mobile-mdi-tab__content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-mdi-tab__title {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-mdi-tab--active .mobile-mdi-tab__title {
    color: var(--color-primary);
    font-weight: 600;
}

.mobile-mdi-tab__id {
    font-size: 12px;
    color: var(--color-text-secondary);
    font-family: monospace;
}

.mobile-mdi-tab__close {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
    transition: all var(--transition-fast);
}

.mobile-mdi-tab__close:active {
    background: var(--color-error-light);
    color: var(--color-error);
}

/* ============================================
   Desktop MDI Tabs - Hidden on Mobile
   ============================================ */

/* Desktop에서 #mdiTabsHeader 표시 */
.mdi-tabs-header {
    display: flex;
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 4px;
    padding: 0 8px;
    align-items: center;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

.mdi-tabs-header::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

/* ============================================
   Responsive Behavior
   ============================================ */

@media (max-width: 768px) {
    /* 모바일: #mdiTabsHeader 숨김 */
    .mdi-tabs-header {
        display: none !important;
    }

    /* 모바일: Floating Button 표시 */
    .mobile-mdi-tabs-btn {
        display: flex;
    }
}

@media (min-width: 769px) {
    /* 데스크톱: Mobile 요소들 숨김 */
    .mobile-mdi-tabs-btn,
    .mobile-mdi-tabs-popup,
    .mobile-mdi-tabs-overlay {
        display: none !important;
    }

    /* 데스크톱: #mdiTabsHeader 표시 */
    .mdi-tabs-header {
        display: flex;
    }
}