/* ==========================================================================
   V4 LINEAR — 极简线条设计
   灵感来源：豆包 / TiDB / Linear.app
   核心理念：大量留白，1px 细线分隔，极克制阴影，纯粹的黑白灰
   ========================================================================== */

/* ---- CSS Custom Properties ---- */
:root {
    /* Primary — 用一点很克制的蓝色作为强调 */
    --primary: #2C2C2C;
    --primary-hover: #000000;
    --primary-light: #E8E8E8;
    --primary-bg: #F5F5F5;
    --primary-gradient: linear-gradient(135deg, #2C2C2C 0%, #1A1A1A 100%);

    /* Semantic — 低饱和版本 */
    --success: #3B8C6E;
    --success-bg: #F2FAF6;
    --warning: #A68A00;
    --warning-bg: #FFFDEB;
    --danger: #C53030;
    --danger-bg: #FFF5F5;
    --orange: #D97706;
    --orange-bg: #FFF7ED;
    --info: #4A6FA5;
    --info-bg: #F5F8FC;

    /* Sidebar — 亮色侧边栏 */
    --sidebar-bg: #FAFAFA;
    --sidebar-gradient: #FAFAFA;
    --sidebar-text: #6B6B6B;
    --sidebar-text-active: #1A1A1A;
    --sidebar-hover: #F0F0F0;
    --sidebar-active: #EBEBEB;
    --sidebar-border: #E5E5E5;
    --sidebar-width: 240px;

    /* Surfaces — 全白为主 */
    --bg-main: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-input: #FFFFFF;
    --bg-hover: #F8F8F8;

    /* Text */
    --text-primary: #1A1A1A;
    --text-secondary: #555555;
    --text-muted: #909090;
    --text-placeholder: #B0B0B0;

    /* Borders — 极细 */
    --border: #E5E5E5;
    --border-light: #EEEEEE;
    --border-focus: #4A4A4A;

    /* Shadows — 几乎不用阴影 */
    --shadow-xs: none;
    --shadow-sm: none;
    --shadow-md: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.06);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.08);
    --shadow-card: none;
    --shadow-card-hover: 0 2px 12px rgba(0,0,0,0.04);
    --shadow-button: none;
    --shadow-button-hover: none;

    /* Radii — 小圆角 */
    --radius-xs: 3px;
    --radius-sm: 5px;
    --radius: 6px;
    --radius-lg: 8px;
    --radius-xl: 10px;
    --radius-full: 9999px;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    --text-2xs: 0.625rem;
    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 0.875rem;
    --text-lg: 1rem;
    --text-xl: 1.125rem;
    --text-2xl: 1.25rem;
    --text-3xl: 1.5rem;

    /* Transitions */
    --ease-out: cubic-bezier(0.16,1,0.3,1);
    --ease-in-out: cubic-bezier(0.65,0,0.35,1);
    --transition-fast: 120ms var(--ease-out);
    --transition: 200ms var(--ease-out);
    --transition-slow: 300ms var(--ease-out);

    /* Z-index */
    --z-sidebar: 100;
    --z-header: 50;
    --z-overlay: 200;
    --z-modal: 300;
    --z-toast: 400;
}

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-main);
    overflow: hidden;
    height: 100vh;
}

a { color: var(--text-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--primary); }

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #D5D5D5; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #B0B0B0; }

::selection { background: #E0E0E0; color: var(--text-primary); }

/* ---- Layout ---- */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
    position: relative;
}


/* ==========================================================================
   SIDEBAR — 极简亮色
   ========================================================================== */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--sidebar-border);
    position: relative;
    z-index: var(--z-sidebar);
}

/* Sidebar Header */
.sidebar-header {
    position: relative;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-close-btn {
    display: none;
    position: absolute;
    top: 14px;
    right: 12px;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background 0.2s ease, color 0.2s ease;
}
.sidebar-close-btn:hover { background: var(--sidebar-hover); color: var(--text-primary); }

.close-line {
    display: block;
    position: absolute;
    width: 16px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.close-line:nth-child(1) { transform: rotate(45deg); }
.close-line:nth-child(2) { transform: rotate(-45deg); }

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-xs);
    background: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: #fff;
    flex-shrink: 0;
}

.sidebar-logo-text {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.sidebar-logo-sub {
    font-size: var(--text-2xs);
    color: var(--text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Sidebar Nav */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
}

.sidebar-section {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-section:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.sidebar-section-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-2xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 6px 8px 4px;
    font-weight: 600;
}

.sidebar-section-title i {
    font-size: 1.15em;
    color: var(--text-muted);
    opacity: 0.85;
}

/* Warehouse List */
#warehouseList { list-style: none; }

#warehouseList li {
    display: flex;
    align-items: center;
    padding: 7px 8px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: var(--text-sm);
    gap: 8px;
    margin-bottom: 1px;
    color: var(--text-secondary);
}

#warehouseList li:hover {
    background: var(--sidebar-hover);
    color: var(--text-primary);
}

#warehouseList li.active {
    background: var(--sidebar-active);
    color: var(--text-primary);
    font-weight: 500;
}

.warehouse-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
    font-size: 0.625rem;
}

/* Expiring List */
#expiringList { list-style: none; }

#expiringList li {
    display: flex;
    align-items: center;
    padding: 6px 8px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: var(--text-xs);
    gap: 6px;
    margin-bottom: 1px;
    color: var(--text-secondary);
}

#expiringList li:hover {
    background: var(--sidebar-hover);
    color: var(--text-primary);
}

.expiring-badge-sidebar {
    font-size: var(--text-2xs);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    background: var(--danger-bg);
    color: #C53030;
    font-weight: 500;
    white-space: nowrap;
}

.expiring-count-sidebar {
    font-size: var(--text-2xs);
    padding: 1px 5px;
    border-radius: var(--radius-xs);
    background: var(--sidebar-hover);
    color: var(--text-muted);
    font-weight: 500;
    margin-left: auto;
}

/* Expiry Badge — 通用到期日期标签 */
.expiry-badge {
    display: inline-block;
    font-size: var(--text-2xs);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    font-weight: 500;
    white-space: nowrap;
}

/* Expiring More Button */
.expiring-more-btn {
    display: block;
    width: 100%;
    padding: 5px 0;
    margin-top: 2px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: var(--text-2xs);
    font-family: var(--font-sans);
    cursor: pointer;
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
    text-align: center;
}
.expiring-more-btn:hover {
    background: var(--sidebar-hover);
    color: var(--text-primary);
}

/* Tag Section */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 0 0;
}

.tag-item {
    font-size: var(--text-2xs);
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
    border: 1px solid transparent;
}

.tag-item:hover {
    background: var(--sidebar-hover);
    color: var(--text-secondary);
}

.tag-item.active {
    background: var(--text-primary);
    color: #fff;
}

.tag-count {
    font-size: var(--text-2xs);
    margin-left: 3px;
    opacity: 0.6;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-light);
}

.sidebar-footer-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: none;
    background: #2d2d2d;
    color: #fff;
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.sidebar-footer-btn:hover {
    opacity: 0.92;
}

.sidebar-footer-btn i {
    font-size: 1em;
    line-height: 1;
}

/* ==========================================================================
   MAIN CONTENT — 极纯白
   ========================================================================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
    background: var(--bg-main);
}

/* Header Bar */
.content-header {
    padding: 12px 32px 8px;
    flex-shrink: 0;
}

/* Mobile Top Bar (mobile only) */
.mobile-top-bar {
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    background: #fff;
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
    z-index: 1;
}

.mobile-top-title {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

/* 标题翻转槽位 */
.mobile-title-slot {
    position: relative;
    height: 1.4em;
    overflow: hidden;
    flex: 1;
    min-width: 0;
}
.mobile-title-text {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(.4,0,.2,1), opacity 0.35s cubic-bezier(.4,0,.2,1);
}
.mobile-title-text i {
    font-size: 1.2em;
    color: var(--text-primary);
    flex-shrink: 0;
}
.mobile-title-main {
    transform: translateY(0);
    opacity: 1;
}
.mobile-title-ann {
    transform: translateY(110%);
    opacity: 0;
}
.mobile-top-bar.ann-open .mobile-title-main {
    transform: translateY(-110%);
    opacity: 0;
}
.mobile-top-bar.ann-open .mobile-title-ann {
    transform: translateY(0);
    opacity: 1;
}

.mobile-top-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 移动端 actions 翻转槽位 */
.mobile-actions-slot {
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.mobile-actions-default {
    display: flex;
    align-items: center;
    gap: 4px;
    transition: transform 0.4s cubic-bezier(.4,0,.2,1), opacity 0.35s cubic-bezier(.4,0,.2,1);
}
.mobile-actions-ann {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(110%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(.4,0,.2,1), opacity 0.35s cubic-bezier(.4,0,.2,1);
}
.mobile-top-bar.ann-open .mobile-actions-default {
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
}
.mobile-top-bar.ann-open .mobile-actions-ann {
    transform: translateY(0);
    opacity: 1;
}




.mobile-bell-btn,
.mobile-avatar-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-bell-btn:hover,
.mobile-avatar-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.mobile-bell-badge {
    display: none;
    position: absolute;
    top: 1px;
    right: 1px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--danger);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    line-height: 12px;
    text-align: center;
    border-radius: 10px;
    border: 2px solid var(--bg-card);
    box-sizing: border-box;
}

.mobile-bell-badge.has-badge {
    display: block;
}

.header-row {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    min-height: 36px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ---- 桌面端 header 右侧按钮 ---- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

.header-bell-btn,
.header-avatar-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.15rem;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.header-bell-btn:hover,
.header-avatar-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.header-bell-badge {
    display: none;
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--danger);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    line-height: 16px;
    text-align: center;
    border-radius: 10px;
    border: 2px solid var(--bg-card);
    box-sizing: border-box;
}

.header-bell-badge.has-badge {
    display: block;
}

/* ---- Sidebar Stats ---- */
.sidebar-stats {
    padding: 2px 0;
}

.sidebar-stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 8px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.sidebar-stat-item:hover {
    background: var(--sidebar-hover);
    color: var(--text-primary);
}

.sidebar-stat-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #999;
    flex-shrink: 0;
}

.sidebar-stat-dot.green { background: var(--success); }
.sidebar-stat-dot.amber { background: var(--warning); }
.sidebar-stat-dot.red   { background: var(--danger); }

.sidebar-stat-label {
    flex: 1;
    font-size: var(--text-sm);
    color: inherit;
}

.sidebar-stat-value {
    font-weight: 700;
    font-size: var(--text-sm);
    color: #999;
    flex-shrink: 0;
}

.sidebar-stat-item.green .sidebar-stat-value { color: var(--success); }
.sidebar-stat-item.amber .sidebar-stat-value { color: var(--warning); }
.sidebar-stat-item.red   .sidebar-stat-value { color: var(--danger); }

/* 统计概览激活状态 — 与仓库列表 active 统一 */
.sidebar-stat-item.active {
    background: var(--sidebar-active);
    color: var(--text-primary);
}



/* Search Bar */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1 1 220px;
    max-width: 420px;
    min-width: 160px;
}

.search-filter-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--bg-input);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-filter-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1 1 0;
    min-width: 0;
}

.search-input-wrapper .bi-search {
    position: absolute;
    left: 10px;
    color: var(--text-muted);
    font-size: 0.8rem;
    pointer-events: none;
    transition: color var(--transition-fast);
}

#searchInput {
    width: 100%;
    height: 36px;
    padding: 6px 12px 6px 30px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--bg-input);
    font-size: var(--text-sm);
    font-family: inherit;
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
    line-height: 1.4;
    box-sizing: border-box;
}

#searchInput::placeholder { color: var(--text-placeholder); }

#searchInput:focus {
    outline: none;
    border-color: var(--text-primary);
}

.search-input-wrapper:focus-within .bi-search {
    color: var(--text-primary);
}

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    position: relative;
}

.toolbar-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border-radius: var(--radius-xs);
    font-size: var(--text-sm);
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    white-space: nowrap;
    line-height: 1.4;
}

.toolbar-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.toolbar-btn:active {
    background: var(--bg-hover);
}

.toolbar-btn-primary {
    background: var(--text-primary);
    color: #fff;
    border-color: var(--text-primary);
}

.toolbar-btn-primary:hover {
    background: #000;
    color: #fff;
    border-color: #000;
}

/* 排序下拉菜单 */
.sort-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 1050;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 150px;
    padding: 4px 0;
    display: none;
    font-family: var(--font-sans);
}
.sort-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--text-primary);
    transition: background 0.1s;
    user-select: none;
}
.sort-dropdown-item:hover { background: var(--primary-light); }
.sort-dropdown-item.active {
    color: var(--primary, #1a73e8);
    font-weight: 500;
}
.sort-dropdown-item .sort-arrow {
    font-size: 13px;
    color: var(--text-muted);
}
.sort-dropdown-item.active .sort-arrow {
    color: var(--primary, #1a73e8);
}

/* ========== 公告下拉遮罩（桌面端） ========== */
.ann-overlay {
    position: fixed;
    inset: 0;
    z-index: 105;
    background: rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.ann-overlay.show {
    display: block;
    opacity: 1;
}

/* ========== 公告下拉面板（fixed 定位） ========== */
.ann-dropdown {
    position: fixed;
    top: 0;
    left: 0; right: 0;
    z-index: 106;
    background: rgba(255,255,255,0.70);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border);
    border-radius: 0 0 12px 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    max-height: 420px;
    overflow: hidden;
    display: none;
    animation: annDropIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes annDropIn {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}
.ann-dropdown.closing {
    animation: annDropOut 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
@keyframes annDropOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-8px); }
}

.ann-dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-light);
}
.ann-dropdown-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}
.ann-dropdown-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border: none;
    background: var(--text-primary);
    color: #fff;
    border-radius: var(--radius-xs);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s;
}
.ann-dropdown-add-btn:hover { background: var(--text-secondary); }

.ann-dropdown-inner { padding: 8px 0; max-height: 340px; overflow-y: auto; }

.ann-dropdown-item {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 12px 20px; transition: background 0.15s;
}
.ann-dropdown-item:hover { background: var(--bg-hover); }
.ann-dropdown-item + .ann-dropdown-item { border-top: 1px solid var(--border-light); }
.ann-dropdown-item .bullet {
    width: 7px; height: 7px; border-radius: 50%; background: #d0d0d0;
    margin-top: 5px; flex-shrink: 0;
    user-select: none; pointer-events: none;
}
.ann-dropdown-item.selected .bullet { background: var(--text-primary); }
.ann-dropdown-item .body { flex: 1; min-width: 0; }
.ann-dropdown-item .content { font-size: 13px; line-height: 1.65; color: var(--text-primary); white-space: pre-wrap; word-break: break-word; }
.ann-dropdown-item .time { font-size: 11px; color: var(--text-muted); margin-top: 5px; }
.ann-dropdown-item .ann-item-delete {
    flex-shrink: 0; background: none; border: none; color: var(--text-muted);
    cursor: pointer; padding: 4px; border-radius: 4px; font-size: 16px; line-height: 1;
    margin-top: 1px; transition: color 0.15s;
}
.ann-dropdown-item .ann-item-delete:hover { color: var(--danger); }

.ann-dropdown-empty { text-align: center; padding: 32px 20px; color: var(--text-muted); font-size: 13px; }
.ann-dropdown-loading { text-align: center; padding: 32px 20px; color: var(--text-muted); font-size: 13px; }

/* ---- 公告内联编辑（在 dropdown 内复用） ---- */
.announcement-add-form { padding: 16px 20px; border-bottom: 1px solid var(--border-light); }
.announcement-edit-input {
    width: 100%; padding: 10px 0; border: none; border-bottom: 1px solid #e8e8e8;
    border-radius: 0; font-size: 13px; line-height: 1.6; resize: vertical;
    background: transparent; color: var(--text-primary);
    outline: none; transition: border-color 0.2s;
}
.announcement-edit-input::placeholder { color: #bbb; font-weight: 400; }
.announcement-edit-input:focus { border-bottom-color: var(--text-primary); }
.announcement-edit-actions {
    display: flex; gap: 8px; margin-top: 8px;
    justify-content: flex-end;
}

@media (max-width: 640px) {
    .ann-dropdown-item { padding: 10px 16px; }
}

/* ---- Device Content Area ---- */
.content-body {
    flex: 1;
    overflow-y: auto;
    padding: 0 32px 32px;
}

/* Table View */
.table-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.table-card-header {
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    min-height: 44px;
}

.table-card-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 5px;
    height: 28px;
}

.table-card-count {
    font-size: var(--text-2xs);
    padding: 1px 6px;
    border-radius: var(--radius-xs);
    background: var(--primary-bg);
    color: var(--text-muted);
    font-weight: 500;
    margin-left: 6px;
}

.view-toggle-group {
    display: flex;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    overflow: hidden;
}

.view-toggle-btn {
    padding: 4px 10px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: var(--text-xs);
    color: var(--text-muted);
    transition: all var(--transition-fast);
    font-family: inherit;
    border-right: 1px solid var(--border);
}

.view-toggle-btn:last-child { border-right: none; }

.view-toggle-btn:hover { color: var(--text-secondary); }

.view-toggle-btn.active {
    background: var(--primary-bg);
    color: var(--text-primary);
    font-weight: 500;
}

/* ---- table-card-header right group ---- */
.table-card-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---- 批量操作 ---- */
.batch-toggle-btn {
    font-size: var(--text-xs);
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--bg-card);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    height: 28px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-sans);
}
.batch-toggle-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.batch-toggle-btn.active {
    background: var(--text-primary);
    color: #fff;
    border-color: var(--text-primary);
}

/* 批量工具栏 */
.batch-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.batch-select-all {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-primary);
    user-select: none;
    margin: 0;
    font-weight: 400;
    font-family: var(--font-sans);
}
.batch-select-all input[type="checkbox"] {
    accent-color: var(--text-primary);
    width: 15px;
    height: 15px;
    cursor: pointer;
}
.batch-count {
    color: var(--text-muted);
    font-size: var(--text-xs);
    font-weight: 400;
}

.batch-delete-btn {
    font-size: var(--text-xs);
    padding: 4px 12px;
    border: 1px solid var(--danger);
    border-radius: var(--radius-xs);
    background: transparent;
    color: var(--danger);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-sans);
}
.batch-delete-btn:hover { background: var(--danger-bg); }
.batch-delete-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: var(--border);
    color: var(--text-muted);
}

/* 批量复选框列 */
th.batch-check-col { width: 38px; padding: 8px 8px !important; text-align: center; }
td.batch-check-col {
    width: 38px;
    text-align: center;
    padding: 10px 8px !important;
}
.batch-checkbox {
    accent-color: var(--text-primary);
    width: 15px;
    height: 15px;
    cursor: pointer;
}

/* 批量选中行高亮 */
tr.batch-selected { background-color: #F0F0F0 !important; }
tr.batch-selected:hover { background-color: #E5E5E5 !important; }

/* 卡片视图批量模式 */
.device-card.batch-mode {
    position: relative;
    cursor: default;
    margin-top: 6px;                /* 为悬浮 Pill 留出空间 */
}
.device-card.batch-selected {
    background-color: #FAFAFA;
    border-color: var(--text-primary);
}

/* 悬浮 Pill 标签 — 叠在卡片边框上方 */
.batch-card-pill {
    position: absolute;
    top: -11px;
    left: 12px;
    height: 22px;
    padding: 0 12px;
    border-radius: 11px;
    background: #f0f0f0;
    border: 1px solid #e0e0e0;
    font-size: 11px;
    font-weight: 600;
    color: #888;
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: background .2s, color .2s, border-color .2s;
    z-index: 2;
}
.batch-card-pill::before {
    content: '○';
    font-size: 10px;
}
.batch-card-pill.selected {
    background: var(--text-primary);
    color: #fff;
    border-color: var(--text-primary);
}
.batch-card-pill.selected::before {
    content: '✓';
}



/* Table Styles */
.table-responsive {
    flex: 1;
    overflow: auto;
    min-height: 0;
}

.table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.table thead th {
    text-align: left;
    padding: 8px 16px;
    font-size: var(--text-2xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    background: var(--bg-main);
    white-space: nowrap;
}

/* 列宽 - 基于 data-col 属性（table-layout:fixed，纯百分比，无 min-width 避免横向挤压失真） */
th[data-col="batch-check"] { width: 2.5%; }
th[data-col="device-id"]   { width: 5.5%; }
th[data-col="name"]        { width: 12%; }
th[data-col="warehouse"]   { width: 5%; }
th[data-col="serial-number"] { width: 7%; }
th[data-col="spec-model"]  { width: 10%; }
th[data-col="source"]      { width: 7%; }
th[data-col="quantity"]    { width: 3%; text-align: center; }
th[data-col="tags"]        { width: 9%; }            /* Step1 → Step2 override */
th[data-col="department"]  { width: 7%; }
th[data-col="responsible"] { width: 3%; }
th[data-col="location"]    { width: 8%; }
th[data-col="status"]      { width: 4%; text-align: center; }
th[data-col="expiry"]      { width: 5%; }
th[data-col="checkin"]     { width: 5%; }
th[data-col="remark"]      { width: 2.5%; text-align: center; }
th[data-col="actions"]     { width: 6.5%; text-align: center; }

/* 标签列全局禁止换行（hover +n 时允许 tooltip 溢出） */
td[data-col="tags"] { white-space: nowrap; overflow: hidden; }
td[data-col="tags"]:has(.tag-more:hover) { overflow: visible; }

/* ≤1500px：标签显示数从2→1，列宽同步缩减释放空间 */
@media (max-width: 1500px) {
    th[data-col="tags"]   { width: 6%; }
    th[data-col="source"] { width: 6%; }
}

/* td 居中对齐 - 与 th 保持一致 */
td[data-col="quantity"],
td[data-col="status"],
td[data-col="remark"],
td[data-col="actions"] { text-align: center; }

.table tbody td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
    position: relative;
    top: -1px;
}

/* 表格内容溢出截断 + 省略号（长文本列统一处理） */
td[data-col="name"],
td[data-col="serial-number"],
td[data-col="spec-model"],
td[data-col="source"],
td[data-col="department"],
td[data-col="responsible"],
td[data-col="location"],
td[data-col="checkin"] {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.table tbody tr { transition: background var(--transition-fast); }

.table tbody tr:hover { background: var(--bg-hover); }

.table tbody tr:last-child td { border-bottom: none; }

.device-name-cell {
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: color var(--transition-fast);
    vertical-align: middle;
    position: relative;
    top: -1px;
}

.device-name-cell:hover { opacity: 0.7; }

/* 设备ID徽章 */
.device-id-badge {
    display: inline-block;
    padding: 1px 6px;
    background: var(--bg-hover);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xs);
    font-size: var(--text-xs);
    font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    color: var(--text-secondary);
    cursor: default;
}

.device-id-badge-no-warehouse {
    border-color: var(--danger);
    color: var(--danger);
    background: var(--danger-bg);
}

/* 状态徽章 */
.status-normal { background: var(--success-bg); color: var(--success); }
.status-abnormal { background: var(--danger-bg); color: var(--danger); }
.status-maintenance { background: var(--warning-bg); color: var(--warning); }

/* 标签多出省略 */
.tag-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 18px;
    padding: 0 5px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 99px;
    cursor: default;
    position: relative;
    margin: 1px;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}
.tag-more:hover {
    background: var(--border-light);
    border-color: var(--text-muted);
}
.tag-more-tip {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
    font-size: var(--text-2xs);
    gap: 4px;
    z-index: 10;
}
.tag-more:hover .tag-more-tip { display: flex; }

/* 备注图标 */
.remark-icon { font-size: 0.85rem; color: var(--text-muted); cursor: pointer; }
.remark-icon:hover { color: var(--primary); }
.remark-tooltip-wrapper { cursor: pointer; display: inline-flex; }
.remark-hint { cursor: default; }

/* 操作列表头（含列设置） */
.actions-th { position: relative; white-space: nowrap; min-width: 160px; }
.actions-th > span { vertical-align: middle; }

/* 列设置按钮 */
.col-settings-btn {
    float: right;
    border: none !important;
    background: transparent !important;
    color: var(--text-muted) !important;
    padding: 2px 4px;
    margin-top: -2px;
    margin-right: -4px;
    border-radius: 4px;
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.15s;
}
.col-settings-btn:hover {
    background: #e8e8e8 !important;
    color: var(--text-primary) !important;
}

/* 列设置下拉菜单 */
.column-settings-menu {
    position: absolute;
    right: 0;
    top: 100%;
    z-index: 1050;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 160px;
    padding: 4px 0;
    display: none;
    font-family: var(--font-sans);
}
.column-settings-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px 7px 4px;
    cursor: default;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--text-primary);
    transition: background 0.1s;
    margin: 0;
    font-weight: 400;
    line-height: 1.5;
    user-select: none;
}
.column-settings-item:hover { background: var(--primary-light); }
.column-settings-item.dragging {
    opacity: 0.4;
    background: var(--primary-light);
}
.column-settings-item.drag-over {
    background: #e8f0fe;
    box-shadow: inset 0 0 0 2px var(--primary);
    border-radius: var(--radius-xs);
}
.column-settings-item .drag-handle {
    color: var(--text-muted);
    font-size: 14px;
    cursor: grab;
    padding: 0 4px;
    line-height: 1;
    flex-shrink: 0;
    letter-spacing: -2px;
}
.column-settings-item .drag-handle:active { cursor: grabbing; }
.column-settings-item input[type="checkbox"] {
    accent-color: var(--primary);
    width: 14px;
    height: 14px;
    cursor: pointer;
    flex-shrink: 0;
}
    margin: 0;
    flex-shrink: 0;
}
.column-settings-item span { user-select: none; }

/* 辅助类 */
.text-muted { color: var(--text-muted); }
.d-none { display: none !important; }

.device-avatar {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-xs);
    background: var(--primary-bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: var(--text-xs);
    font-weight: 600;
    flex-shrink: 0;
}

/* Tag Badge Inline (table cells) */
.tag-item-inline {
    display: inline-block;
    font-size: var(--text-2xs);
    padding: 1px 6px;
    border-radius: var(--radius-xs);
    background: var(--primary-bg);
    color: var(--text-muted);
    font-weight: 500;
    margin: 1px;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    font-size: var(--text-2xs);
    font-weight: 500;
    white-space: nowrap;
    border: 1px solid transparent;
}

.status-badge.in-stock {
    background: var(--success-bg);
    color: #3B8C6E;
    border-color: rgba(59,140,110,0.15);
}

.status-badge.checked-out {
    background: #fef9e7;
    color: #b68b0a;
    border-color: rgba(234,163,0,0.2);
}

.status-badge.expiring {
    background: var(--warning-bg);
    color: #B8860B;
    border-color: rgba(184,134,11,0.15);
}

.status-badge.expired {
    background: var(--danger-bg);
    color: #C53030;
    border-color: rgba(197,48,48,0.15);
}

/* Action Buttons */
.action-btns {
    display: flex;
    gap: 3px;
}

.btn-icon-table {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xs);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    font-size: 0.85rem;
}

.btn-icon-table:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-icon-table.primary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-icon-table.danger:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* List View */
.list-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
    flex: 1;
    overflow-y: auto;
    align-content: start;
    padding: 16px;
}

.device-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 16px;
    transition: box-shadow var(--transition-fast);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.device-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.device-card-top-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}
.device-card-top-row .device-card-tags {
    flex: 1;
    min-width: 0;
}

.device-card-name-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.device-card-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    flex: 0 0 calc(50% - 3px);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.device-card-qty {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 15px;
    padding: 0 4px;
    font-size: 9px;
    font-weight: 700;
    color: #fff;
    background: #555;
    border-radius: 99px;
    margin-left: 4px;
    vertical-align: middle;
    position: relative;
    top: -2px;
}

.device-card .status-badge {
    margin-left: auto;
    flex-shrink: 0;
}

.device-card-tags-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.device-card-tags {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}

.device-card-tag {
    font-size: var(--text-2xs);
    padding: 2px 8px;
    border-radius: 99px;
    background: var(--primary-bg);
    color: var(--primary);
    font-weight: 500;
}

.device-card-expiry-inline {
    flex-shrink: 0;
}

.device-card-spec {
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: 1.4;
}

.device-card-remark {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 4px;
    margin-top: 2px;
}
.device-card-remark i {
    font-size: var(--text-xs);
    opacity: .5;
    margin-top: 1px;
    flex-shrink: 0;
}

/* 设备卡片 — 设备ID徽章 */
.device-card-id {
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-hover);
    border-radius: 4px;
    letter-spacing: 0.04em;
    flex-shrink: 0;
}

/* 设备卡片 — 规格型号行内 */
.device-card-spec-inline {
    font-size: var(--text-xs);
    color: var(--text-muted);
    flex: 0 0 calc(50% - 3px);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: left;
}

/* 设备卡片 — 位置/去向 */
.device-card-location {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    padding: 4px 0;
}
.device-card-location i {
    font-size: 12px;
    color: var(--text-muted);
}

/* 标签展开 — 点击 +N 后显示全部隐藏标签 */
.device-card-tag-more.expanded .tag-more-tip {
    display: flex;
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0;
    background: transparent;
    gap: 4px;
    flex-wrap: wrap;
}
.device-card-tag-more.expanded {
    background: var(--border-light);
    border-color: var(--text-muted);
}

/* Empty State */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.3;
}

.empty-state-title {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.empty-state-text {
    font-size: var(--text-sm);
    line-height: 1.5;
}

/* ==========================================================================
   MODALS
   ========================================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: var(--z-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: fadeIn 0.15s var(--ease-out);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 520px;
    max-height: 85vh;
    overflow-y: auto;
    animation: modalSlideIn 0.2s var(--ease-out);
    border: 1px solid var(--border);
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-lg { max-width: 720px; }
.modal-xl { max-width: 880px; }

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--bg-card);
    z-index: 1;
}

.modal-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xs);
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    font-size: 0.85rem;
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body { padding: 20px; }

.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    position: sticky;
    bottom: 0;
    background: var(--bg-card);
}

/* ---- Form Controls ---- */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 7px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--bg-input);
    font-size: var(--text-sm);
    font-family: inherit;
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: #C0C0C0;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--text-primary);
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-row .form-group {
    margin-bottom: 0;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 7px 16px;
    border-radius: var(--radius-xs);
    font-size: var(--text-sm);
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    white-space: nowrap;
    line-height: 1.4;
}

.btn-primary {
    background: var(--text-primary);
    color: #fff;
    border-color: var(--text-primary);
}

.btn-primary:hover {
    background: #000;
    border-color: #000;
}

.btn-secondary {
    background: transparent;
    border-color: var(--border);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}

.btn-danger:hover {
    background: #9B2C2C;
    border-color: #9B2C2C;
}

.btn-warning {
    background: transparent;
    color: var(--danger);
    border-color: var(--danger);
}

.btn-warning:hover {
    background: var(--danger);
    color: #fff;
}

.btn-sm { display: inline-flex; align-items: center; justify-content: center; gap: 4px; padding: 4px 10px; font-size: var(--text-xs); border-radius: var(--radius-xs); border: 1px solid var(--border); background: transparent; color: var(--text-secondary); font-weight: 500; font-family: inherit; cursor: pointer; transition: all var(--transition-fast); }
.btn-sm:hover { border-color: var(--text-primary); color: var(--text-primary); }
.btn-sm-primary { display: inline-flex; align-items: center; justify-content: center; gap: 4px; padding: 4px 10px; font-size: var(--text-xs); border-radius: var(--radius-xs); border: 1px solid var(--text-primary); background: var(--text-primary); color: #fff; font-weight: 500; font-family: inherit; cursor: pointer; transition: all var(--transition-fast); }
.btn-sm-primary:hover { background: #000; border-color: #000; color: #fff; }
.btn-lg { padding: 10px 24px; font-size: var(--text-base); }
.btn-block { width: 100%; }

/* ---- Toast ---- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 10px 16px;
    border-radius: var(--radius-xs);
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: toastSlideIn 0.25s var(--ease-out);
    max-width: 360px;
    color: var(--text-primary);
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast-success { border-left: 2px solid var(--success); }
.toast-error { border-left: 2px solid var(--danger); }
.toast-warning { border-left: 2px solid var(--warning); }
.toast-info { border-left: 2px solid var(--info); }



.btn-icon-xs {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition-fast);
}
.btn-icon-xs:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-icon-xs.danger:hover { background: #fee2e2; color: var(--danger); }

.modal-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   IMAGE GRID & BROWSER
   ========================================================================== */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    margin-top: 8px;
}

.image-grid-item {
    aspect-ratio: 1;
    border-radius: var(--radius-xs);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border);
    transition: opacity var(--transition-fast);
}

.image-grid-item:hover { opacity: 0.85; }

.image-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---- Image Fullscreen Overlay (dynamic) ---- */
.image-fullscreen-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: fadeIn 0.15s var(--ease-out);
}

.image-fullscreen-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: var(--radius);
    animation: modalSlideIn 0.2s var(--ease-out);
}

.image-fullscreen-overlay .image-fullscreen-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: background var(--transition-fast);
}

.image-fullscreen-overlay .image-fullscreen-close:hover {
    background: rgba(255,255,255,0.25);
}

/* ---- Image Fullscreen (index page) ---- */
.image-fullscreen {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: fadeIn 0.15s var(--ease-out);
}

.image-fullscreen img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: var(--radius);
    animation: modalSlideIn 0.2s var(--ease-out);
}

.image-fullscreen-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: background var(--transition-fast);
}

.image-fullscreen-close:hover {
    background: rgba(255,255,255,0.25);
}

/* ==========================================================================
   IMPORT TABS
   ========================================================================== */
.import-tabs {
    display: flex;
    gap: 2px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.import-tab-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    font-size: var(--text-sm);
    font-family: inherit;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.import-tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
}

.import-tab-btn:hover {
    color: var(--text-primary);
}

.import-helper-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border: 1px solid;
    border-radius: var(--radius-xs);
    background: transparent;
    font-size: var(--text-xs);
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 8px;
    margin-right: 6px;
}

.import-helper-btn.btn-ai {
    color: #0f7b0f;
    border-color: #0f7b0f;
}

.import-helper-btn.btn-ai:hover {
    background: #0f7b0f;
    color: #fff;
}

.import-helper-btn.btn-example {
    color: #0067c0;
    border-color: #0067c0;
}

.import-helper-btn.btn-example:hover {
    background: #0067c0;
    color: #fff;
}

/* Import panels — subtle card boundary */
#importFilePanel,
#importPastePanel {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.import-batch-textarea {
    width: 100%;
    min-height: 200px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    line-height: 1.6;
    resize: vertical;
    background: var(--bg-input);
    color: var(--text-primary);
}

.import-batch-textarea:focus {
    outline: none;
    border-color: var(--border-focus);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
    .form-row { grid-template-columns: 1fr; }
    .content-header { padding: 12px 20px 0; }
    .toolbar { gap: 5px; }
    .toolbar-btn { padding: 5px 12px; gap: 4px; font-size: var(--text-xs); }
}

@media (max-width: 768px) {
    .app-container { flex-direction: column; }

    /* 移动端 body 背景区分卡片 */
    body { background: #F5F5F5; }

    /* 移动端设备卡片 */
    .device-card {
        background: #FFF;
        border-radius: 10px;
        padding: 14px;
    }

    .table-card {
        border: none;
        border-radius: 0;
        background: transparent;
    }
    .table-card-header {
        padding: 12px 16px 3px;
        border-bottom: none;
        align-items: flex-end;
    }

    /* 移动端卡片备注 — 去掉背景色，点击打开弹窗 */
    .device-card-remark { background: none; }

    /* 移动端标签 +N 气泡 — 点击展开而非导航 */
    .device-card-tag-more { cursor: pointer; }

    /* 移动端标题栏：保持在 dropdown 上方 */
    .mobile-top-bar { 
        display: flex; 
        background: #fff;
        position: relative;
        z-index: 107;
    }

    /* 移动端公告下拉：顶栏下方展开，不覆盖顶栏 */
    .ann-dropdown {
        position: fixed;
        top: 50px;
        left: 0; right: 0;
        z-index: 106;
        border-radius: 0 0 16px 16px;
        background: #fff;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        box-shadow: 0 8px 24px rgba(0,0,0,0.1);
        max-height: calc(100vh - 50px);
    }

    /* 标题栏展开时去掉底部边框，与下拉融为一体 */
    .mobile-top-bar.ann-open {
        background: #fff;
        border-bottom-color: transparent;
    }

    /* 移动端隐藏公告下拉面板内的 header（标题/新增按钮已集成在顶栏） */
    .ann-dropdown-header { display: none; }

    /* 列布局：搜索 / 工具栏 纵向排列 */
    .header-row { flex-direction: column; align-items: stretch; gap: 8px; }
    .search-container { max-width: none; flex: 0 0 auto; gap: 10px; }
    .search-filter-btn { display: inline-flex; border-radius: var(--radius-lg); width: 38px; height: 38px; }
    #searchInput { border-radius: var(--radius-lg); }
    /* 移动端隐藏 toolbar，由右下角 FAB 按钮替代全部操作 */
    .toolbar { display: none !important; }
    .header-actions { display: none; }
    #sortBtn { display: none; }

    .content-header { padding: 10px 12px 0; }
    .content-body { padding: 0 12px 12px; }

    .toolbar { flex-wrap: nowrap; gap: 4px; }
    .toolbar-btn { padding: 5px 10px; gap: 3px; font-size: var(--text-xs); }

    .list-view { grid-template-columns: 1fr; padding: 12px; }
    .modal { margin: 12px; max-height: calc(100vh - 24px); }

    /* 移动端表格转卡片布局 */
    .table-responsive { overflow-x: hidden; }
    .table thead { display: none; }

    .table tbody tr {
        display: block;
        padding: 14px;
        background: #FFF;
        border-radius: 10px;
        margin-bottom: 8px;
    }

    .table tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 5px 4px;
        border: none;
        font-size: var(--text-sm);
        gap: 8px;
    }

    .table tbody td::before {
        content: attr(data-label);
        font-weight: 500;
        color: var(--text-muted);
        font-size: var(--text-2xs);
        text-transform: uppercase;
        letter-spacing: 0.04em;
        margin-right: 8px;
        flex-shrink: 0;
        min-width: 56px;
        text-align: right;
    }

    /* 无标签的列（如批量勾选）隐藏伪元素 */
    .table tbody td[data-label=""]::before { content: none; }

    /* 移动端操作按钮放大触控区域 */
    .table tbody td[data-col="actions"] { justify-content: flex-end; }
    .table tbody td[data-col="actions"]::before { content: none; }
    .btn-icon-table { width: 34px; height: 34px; font-size: 1rem; }

    /* 移动端隐藏列设置按钮 */
    .col-settings-btn { display: none; }

    /* 移动端表格卡片点击整行跳转 */
    .table tbody tr { cursor: pointer; }
}

@media (max-width: 480px) {
    .content-header { padding: 10px 8px 0; }
    .content-body { padding: 0 8px 8px; }
    .list-view { padding: 8px; }
    .table tbody td { font-size: var(--text-xs); }
    .table tbody td::before { font-size: var(--text-2xs); min-width: 48px; }
}

/* ==========================================================================
   REMARK MODAL — 富文本备注编辑器
   ========================================================================== */

.remark-status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    margin-left: 10px;
    flex-shrink: 0;
    transition: background 0.2s;
}
.remark-status-dot.modified { background: var(--danger); }

.remark-device-name-bar {
    padding: 14px 20px;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
}
.remark-device-name-bar label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 2px;
}
.remark-device-name-bar div {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.remark-toolbar {
    padding: 8px 16px;
    background: var(--sidebar-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
    align-items: center;
}
.remark-toolbar-btn {
    width: 30px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: var(--radius-xs);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.15s;
}
.remark-toolbar-btn:hover {
    background: var(--primary-bg);
    color: var(--text-primary);
}
.remark-toolbar-divider {
    width: 1px;
    height: 16px;
    background: var(--border);
    margin: 0 4px;
}

.remark-editor {
    min-height: 300px;
    max-height: 500px;
    overflow-y: auto;
    padding: 20px;
    font-size: 14px;
    line-height: 1.6;
    outline: none;
    background: var(--bg-main);
    color: var(--text-primary);
}
.remark-editor img { max-width: 100%; }
.remark-editor img.img-size-small { max-width: 120px; }
.remark-editor img.img-size-medium { max-width: 360px; }
.remark-editor img.img-size-large { max-width: 100%; }
.remark-editor table { border-collapse: collapse; width: 100%; min-width: 300px; margin: 8px 0; }
.remark-editor table th,
.remark-editor table td { border: 1px solid var(--border); padding: 6px 10px; min-width: 60px; }
.remark-editor table th { background: var(--sidebar-bg); font-weight: 600; text-align: left; }

/* Color & Font Panels */
.color-swatch-popover {
    display: none;
    position: fixed;
    z-index: 2000;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 10px;
    width: 248px;
}
.swatch-title {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 6px;
    padding: 0 2px;
}
.color-swatch-grid {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 3px;
}
.color-swatch-item {
    width: 22px;
    height: 22px;
    border-radius: 3px;
    border: 1px solid rgba(0,0,0,0.08);
    cursor: pointer;
    transition: transform 0.1s;
}
.color-swatch-item:hover { transform: scale(1.2); }

.font-size-popover {
    display: none;
    position: fixed;
    z-index: 2000;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 4px;
    min-width: 80px;
}
.font-size-item {
    padding: 6px 14px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    border-radius: var(--radius-xs);
    transition: background 0.1s;
}
.font-size-item:hover { background: var(--primary-bg); }

/* Table Picker */
.table-picker-popup {
    position: fixed;
    z-index: 2000;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
}
.table-picker-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-align: center;
}
.table-picker-grid {
    display: grid;
    grid-template-columns: repeat(6, 22px);
    gap: 3px;
}
.table-picker-cell {
    width: 22px;
    height: 22px;
    border: 1px solid var(--border);
    border-radius: 2px;
    cursor: pointer;
    transition: background 0.1s;
}
.table-picker-cell.active,
.table-picker-cell:hover { background: var(--primary); border-color: var(--primary); }

/* Image Size Context Menu */
.img-size-context-menu {
    display: none;
    position: fixed;
    z-index: 2000;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 4px;
    min-width: 100px;
}
.img-size-menu-item {
    padding: 6px 12px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: var(--radius-xs);
    transition: background 0.1s;
}
.img-size-menu-item:hover,
.img-size-menu-item.active { background: var(--primary-bg); }
.size-icon {
    display: inline-block;
    border: 1.5px solid var(--text-secondary);
    border-radius: 2px;
}
.img-size-menu-item.small .size-icon { width: 10px; height: 10px; }
.img-size-menu-item.medium .size-icon { width: 14px; height: 14px; }
.img-size-menu-item.large .size-icon { width: 20px; height: 14px; }

/* Image Upload Progress */
.img-upload-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--sidebar-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin: 6px 0;
}
.img-upload-progress-bar-outer {
    flex-shrink: 0;
    width: 180px;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}
.img-upload-progress-bar-inner {
    display: block;
    height: 100%;
    width: 0;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.2s;
}
.img-upload-progress-text { color: var(--text-muted); font-size: 12px; white-space: nowrap; min-width: 32px; }
.img-upload-progress-done { color: var(--success); font-size: 12px; }
.img-upload-progress-error { color: var(--danger); font-size: 12px; }

/* ==========================================================================
   IMAGE BROWSER — 仓库已有图片网格
   ========================================================================== */

.image-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
    padding: 4px;
}
.image-grid-item {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid var(--border);
    background: var(--sidebar-bg);
    cursor: pointer;
    aspect-ratio: 1;
    transition: all 0.15s;
}
.image-grid-item:hover { border-color: var(--text-muted); }
.image-grid-item.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 25%, transparent);
}
.image-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.image-grid-item .select-check {
    position: absolute;
    top: 5px;
    left: 5px;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    background: rgba(255,255,255,0.85);
    border: 2px solid rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: transparent;
    transition: all 0.15s;
    pointer-events: none;
}
.image-grid-item.selected .select-check {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.image-grid-item .delete-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    background: rgba(220, 53, 69, 0.85);
    border: none;
    color: #fff;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s;
}
.image-grid-item:hover .delete-btn { opacity: 1; }

.image-grid-item .file-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.5);
    color: #fff;
    font-size: 9px;
    padding: 2px 4px;
    text-align: center;
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}
.image-grid-item .file-info .file-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.image-grid-item .file-info .file-size { opacity: 0.75; }

/* 使用状态标签 */
.image-grid-item.img-used { border-color: color-mix(in srgb, var(--success) 33%, transparent); }
.image-grid-item .usage-badge {
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    padding: 1px 7px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    background: var(--success);
    pointer-events: none;
    line-height: 1.4;
    white-space: nowrap;
}
.image-grid-item:not(.img-used) .usage-badge {
    background: var(--danger);
}

/* 空状态 */
.image-empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}
.image-empty-state i { font-size: 48px; margin-bottom: 12px; }
.image-empty-state p { margin: 0; font-size: 14px; }

/* 图例 */
.usage-legend { display: inline-flex; align-items: center; gap: 3px; font-size: 11px; color: var(--text-muted); }
.usage-legend-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.usage-legend-dot.used { background: var(--success); }
.usage-legend-dot.unused { background: var(--danger); }

/* 底部工具栏 */
.image-picker-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    margin-top: 12px;
    border-top: 1px solid var(--border);
    gap: 8px;
    flex-wrap: wrap;
}

@media (max-width: 600px) {
    .image-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ==========================================================================
   MODAL ATTACHMENT LIST
   ========================================================================== */
.modal-section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

/* ==========================================================================
   EDIT ROW (Production-style label | input layout)
   ========================================================================== */
.edit-row {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 8px 16px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    align-items: center;
}
.edit-row:last-child { border-bottom: none; }
.edit-row .edit-label {
    color: var(--text-muted);
    font-weight: 500;
    font-size: var(--text-sm);
    align-self: start;
    padding-top: 8px;
}
.edit-form-group { flex: 1; min-width: 0; }
.edit-form-group input,
.edit-form-group select,
.edit-form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--input-bg, var(--bg-main));
    transition: border-color 0.15s;
}
.edit-form-group input:focus,
.edit-form-group select:focus,
.edit-form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99,102,241,0.15);
}

/* ==========================================================================
   TAG BADGE (Modal editable tags)
   ========================================================================== */
.tag-badge-editable {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    font-size: var(--text-sm);
    font-weight: 500;
    border: 1px solid var(--primary-border);
}
.tag-badge-editable .tag-remove {
    cursor: pointer;
    color: var(--primary);
    font-size: 16px;
    line-height: 1;
    font-weight: bold;
    padding: 0 2px;
    transition: color 0.15s, opacity 0.15s;
    opacity: 0.7;
}
.tag-badge-editable .tag-remove:hover {
    opacity: 1;
    color: var(--danger);
}

/* Tag input row (input + add button) */
.modal-tag-input-row {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}
.modal-tag-input-row input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-main);
    transition: border-color 0.15s;
}
.modal-tag-input-row input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99,102,241,0.15);
}
.modal-tag-input-row .btn {
    white-space: nowrap;
    flex-shrink: 0;
}

.modal-attachment-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 180px;
    overflow-y: auto;
    padding: 2px 0;
}

.modal-attachment-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-xs);
    background: var(--primary-bg);
    transition: background var(--transition-fast);
}

.modal-attachment-item:hover {
    background: var(--border-light);
}

.modal-attachment-icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xs);
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    letter-spacing: 0.04em;
}

.modal-attachment-icon.pdf { background: #EF4444; }
.modal-attachment-icon.doc { background: #3B82F6; }
.modal-attachment-icon.xls { background: #10B981; }
.modal-attachment-icon.img { background: #8B5CF6; }
.modal-attachment-icon.zip { background: #F59E0B; }
.modal-attachment-icon.other { background: #6B7280; }

.modal-attachment-info {
    flex: 1;
    min-width: 0;
}

.modal-attachment-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.modal-attachment-name a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.modal-attachment-name a:hover {
    color: var(--primary);
}

.modal-attachment-meta {
    font-size: var(--text-2xs);
    color: var(--text-muted);
    margin-top: 2px;
}

.modal-attachment-actions .btn-attachment-delete {
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--danger);
    background: transparent;
    color: var(--danger);
    font-size: var(--text-2xs);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
    white-space: nowrap;
}

.modal-attachment-actions .btn-attachment-delete:hover {
    background: var(--danger);
    color: #fff;
}

/* ==========================================================================
   RICH TEXT CONTENT (Remark Preview)
   ========================================================================== */
.rich-text-content { line-height: 1.8; color: var(--text-primary); }
.rich-text-content div { margin-bottom: 6px; }
.rich-text-content div:last-child { margin-bottom: 0; }
.rich-text-content ul, .rich-text-content ol { margin: 8px 0; padding-left: 24px; }
.rich-text-content li { margin-bottom: 4px; }
.rich-text-content strong, .rich-text-content b { font-weight: 600; }
.rich-text-content em, .rich-text-content i { font-style: italic; }
.rich-text-content u { text-decoration: underline; }
.rich-text-content s { text-decoration: line-through; color: var(--text-muted); }
.rich-text-content a { color: var(--primary); text-decoration: none; }
.rich-text-content a:hover { color: var(--primary-hover); text-decoration: underline; }
.rich-text-content img {
    max-width: 100%;
    border-radius: var(--radius-xs);
    cursor: zoom-in;
    transition: transform 0.15s;
    vertical-align: top;
}
.rich-text-content img:hover { transform: scale(1.01); }
.rich-text-content table { border-collapse: collapse; width: 100%; margin: 8px 0; font-size: var(--text-sm); }
.rich-text-content table th,
.rich-text-content table td { border: 1px solid var(--border); padding: 6px 10px; }
.rich-text-content table th { background: var(--sidebar-bg); font-weight: 600; text-align: left; }

/* Modal remark editor (contenteditable) */
.modal-remark-editor {
    margin-top: 6px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--bg-main);
    min-height: 80px;
    max-height: 280px;
    overflow-y: auto;
    outline: none;
    font-size: 14px;
    line-height: 1.6;
    cursor: text;
    transition: border-color 0.2s;
}
.modal-remark-editor:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-bg);
}
.modal-remark-editor:empty::before {
    content: attr(data-placeholder);
    color: var(--text-muted);
    pointer-events: none;
}
.modal-remark-editor img {
    max-width: 100%;
    cursor: zoom-in;
}
.modal-remark-editor img:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    filter: brightness(0.92);
    transition: all 0.2s ease;
}
/* Keep preview styles as fallback */
.modal-remark-preview { display: none; }

/* ==========================================================================
   SIDEBAR TOGGLE / COLLAPSE
   ========================================================================== */

/* 移动端侧边栏遮罩（毛玻璃） */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.sidebar-overlay.show { display: block; opacity: 1; }

/* 移动端侧边栏切换按钮（hamburger） */
.sidebar-toggle-btn {
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    width: 34px;
    height: 34px;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.15s;
    flex-shrink: 0;
    user-select: none;
    color: var(--text-secondary);
    padding: 0;
}
.sidebar-toggle-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.hamburger-line {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
    transform-origin: center;
}

.sidebar-toggle-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(3.5px) rotate(45deg);
}
.sidebar-toggle-btn.active .hamburger-line:nth-child(2) {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* ==========================================================================
   WAREHOUSE SHOW MORE
   ========================================================================== */
.warehouse-show-more {
    text-align: center;
    padding: 6px 8px;
    font-size: var(--text-xs);
    color: var(--primary);
    cursor: pointer;
    user-select: none;
    transition: color 0.15s;
    border-radius: var(--radius-xs);
    margin-top: 2px;
}
.warehouse-show-more:hover { color: var(--primary-dark, #1a6dd4); background: var(--sidebar-hover); }

/* ==========================================================================
   TOOLBAR BTN GROUP (Split Button)
   ========================================================================== */
.toolbar-btn-group {
    position: relative;
    display: inline-flex;
}
.toolbar-btn-group .toolbar-btn-primary:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.toolbar-btn-split {
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
    padding: 0 6px !important;
    min-width: 24px;
    border-left: 1px solid rgba(255,255,255,0.3) !important;
}
.toolbar-btn-outline {
    border: 1px solid var(--warning) !important;
    background: transparent !important;
    color: var(--warning) !important;
}
.toolbar-btn-outline:hover {
    background: var(--warning) !important;
    color: #fff !important;
}

/* Toolbar dropdown */
.toolbar-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    padding: 4px;
    overflow: hidden;
}
.toolbar-dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: background 0.15s;
    white-space: nowrap;
}
.toolbar-dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.toolbar-dropdown-item i { font-size: 14px; width: 16px; text-align: center; }
.toolbar-dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 6px;
}
.toolbar-dropdown-danger {
    color: var(--danger) !important;
}
.toolbar-dropdown-danger:hover {
    background: var(--danger-bg) !important;
    color: #C53030 !important;
}

/* ==========================================================================
   MOBILE SIDEBAR
   ========================================================================== */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        z-index: 103;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .sidebar-toggle-btn { display: flex; }
    .sidebar-close-btn { display: flex; }
    .sidebar-header { padding-right: 48px; }
    /* 遮罩也要高于公告栏，否则遮不住 */
    .sidebar-overlay { z-index: 102; }
}

/* ==========================================================================
   End V4 LINEAR CSS

   Keyframes
   ========================================================================== */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   FAB — 右下角浮动操作按钮
   ========================================================================== */
.fab-container {
    display: none;                      /* 桌面端隐藏，移动端显示 */
}
.fab-overlay {
    display: none;                      /* 桌面端隐藏，移动端显示 */
}

/* 3D 翻转舞台 — 两个菜单共享同一空间 */
.fab-menu-stage {
    display: grid;
    perspective: 800px;
}
.fab-menu-stage > * {
    grid-area: 1 / 1;
}

/* 主菜单 */
.fab-menu {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 8px;
    opacity: 0;
    transform: translateY(12px) scale(0.92);
    pointer-events: none;
    backface-visibility: hidden;
    transition: transform 0.45s cubic-bezier(.4,0,.2,1),
                opacity 0.35s cubic-bezier(.4,0,.2,1);
}
.fab-menu.show {
    opacity: 1;
    transform: translateY(0) scale(1) rotateY(0deg);
    pointer-events: auto;
}

/* 排序子菜单 — 初始翻转到背面 */
.fab-sort-menu {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 8px;
    opacity: 0;
    transform: translateY(12px) scale(0.92) rotateY(-90deg);
    pointer-events: none;
    backface-visibility: hidden;
    transition: transform 0.45s cubic-bezier(.4,0,.2,1),
                opacity 0.35s cubic-bezier(.4,0,.2,1);
}
/* FAB 打开但未翻转: 子菜单保持在背面不可见 */
.fab-container.open .fab-sort-menu {
    opacity: 0;
    transform: translateY(0) scale(1) rotateY(-90deg);
    pointer-events: none;
}

/* 翻转状态: 主菜单翻走，子菜单翻入 */
.fab-container.open.flipped .fab-menu {
    opacity: 0;
    transform: translateY(0) scale(1) rotateY(90deg);
    pointer-events: none;
}
.fab-container.open.flipped .fab-sort-menu {
    opacity: 1;
    transform: translateY(0) scale(1) rotateY(0deg);
    pointer-events: auto;
}

/* 翻转后子菜单各选项延迟入场（1-5: 排序选项, 6: 返回按钮无需动画） */
.fab-container.open.flipped .fab-sort-menu .fab-menu-item:nth-child(1) { animation: fabFlipItemIn 0.3s 0.06s cubic-bezier(.4,0,.2,1) both; }
.fab-container.open.flipped .fab-sort-menu .fab-menu-item:nth-child(2) { animation: fabFlipItemIn 0.3s 0.1s cubic-bezier(.4,0,.2,1) both; }
.fab-container.open.flipped .fab-sort-menu .fab-menu-item:nth-child(3) { animation: fabFlipItemIn 0.3s 0.14s cubic-bezier(.4,0,.2,1) both; }
.fab-container.open.flipped .fab-sort-menu .fab-menu-item:nth-child(4) { animation: fabFlipItemIn 0.3s 0.18s cubic-bezier(.4,0,.2,1) both; }
.fab-container.open.flipped .fab-sort-menu .fab-menu-item:nth-child(5) { animation: fabFlipItemIn 0.3s 0.22s cubic-bezier(.4,0,.2,1) both; }
@keyframes fabFlipItemIn {
    from { opacity: 0; transform: translateX(12px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* 返回按钮样式 */
.fab-back-item .fab-menu-icon {
    background: var(--bg-hover);
}

/* 排序选项高亮状态 */
.fab-sort-item.active {
    background: var(--primary-bg);
    font-weight: 600;
}
.fab-sort-item .fab-sort-arrow {
    margin-left: auto;
    font-size: 13px;
    color: var(--text-secondary);
}
.fab-sort-item.active .fab-sort-arrow {
    color: var(--text-primary);
}

.fab-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border: none;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 2px 16px rgba(0,0,0,0.1);
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    transition: background 0.15s, box-shadow 0.15s;
    /* 各菜单项从右滑入 */
    animation: fabMenuItemIn 0.3s cubic-bezier(.4,0,.2,1) both;
}
.fab-menu-item:nth-child(1) { animation-delay: 0.06s; }
.fab-menu-item:nth-child(2) { animation-delay: 0.1s; }
.fab-menu-item:nth-child(3) { animation-delay: 0.14s; }
.fab-menu-item:nth-child(4) { animation-delay: 0.18s; }

@keyframes fabMenuItemIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

.fab-menu-item:hover {
    background: var(--bg-hover);
    box-shadow: 0 4px 20px rgba(0,0,0,0.14);
}

.fab-menu-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-bg);
    font-size: 15px;
    color: var(--text-primary);
    flex-shrink: 0;
}

.fab-menu-label {
    min-width: 0;
}

/* FAB 按钮 */
.fab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 50%;
    background: var(--text-primary);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.18);
    transition: transform 0.25s cubic-bezier(.4,0,.2,1),
                background 0.15s,
                box-shadow 0.2s;
}
.fab-btn:hover {
    background: #000;
    box-shadow: 0 6px 28px rgba(0,0,0,0.28);
    transform: scale(1.05);
}
.fab-btn:active {
    transform: scale(0.94);
}

.fab-btn .fab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    transition: transform 0.35s cubic-bezier(.4,0,.2,1);
}
/* 打开时 + 旋转为 × */
.fab-container.open .fab-icon {
    transform: rotate(45deg);
}

/* 公告展开时隐藏主 FAB */
.fab-container.hide {
    display: none !important;
}

/* FAB 遮罩 */
.fab-overlay {
    position: fixed;
    inset: 0;
    z-index: 199;
    background: rgba(0,0,0,0.12);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.fab-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

/* 移动端微调 */
@media (max-width: 768px) {
    .fab-container {
        display: flex;                  /* 移动端显示 */
        position: fixed;
        bottom: 20px;
        right: 16px;
        z-index: 200;
        flex-direction: column;
        align-items: flex-end;
        gap: 10px;
    }
    .fab-overlay {
        display: block;                 /* 移动端显示 */
    }
    .fab-btn {
        width: 48px;
        height: 48px;
    }
    .fab-btn .fab-icon {
        font-size: 20px;
    }
    .fab-menu-item {
        padding: 9px 14px;
        font-size: 13px;
    }
}