/*       Design Token 体系 | Design Token System
       参考: Open Props (数字阶+媒体查询) / Radix Colors (12步色阶) / shadcn/ui (语义配对+半径派生)
       禁止裸 hex/px 值出现在选择器中 | No bare hex/px in selectors
       ============================================================ */

    /* ── 颜色 | Colors — 宣纸墨韵（廊柱朱红 · 暖杏柔沙 · 深木黛青） ── */
    :root {
      /* 主题暖杏 | Theme apricot — 廊墙底色 */
      --color-apricot: #fff8f0;
      --color-background: var(--color-apricot);
      --color-foreground: #3d3028;
      --color-card: #fffcf7;
      --color-card-foreground: #3d3028;
      --color-surface: #e3d9c6;
      --color-surface-hover: #d9cdb8;

      /* 主色 | Primary — 朱红廊柱 #a64b3f */
      --color-primary: #a64b3f;
      --color-primary-foreground: #fff8f0;
      --color-primary-hover: #8f3f34;
      --color-primary-muted: #f3e4df;
      --color-primary-text: #7a3a30;

      /* 辅助 | 深木 + 黛青 */
      --color-wood: #3d3028;
      --color-dai: #3a4f52;
      --color-dai-light: #4a6266;

      /* 语义色 | Semantic */
      --color-success: #4a6266;
      --color-success-foreground: #fff8f0;
      --color-success-hover: #3a4f52;
      --color-success-muted: #e0e8e8;
      --color-warning: #8a7340;
      --color-warning-foreground: #fff8f0;
      --color-warning-hover: #756030;
      --color-warning-muted: #f0ead8;
      --color-danger: #a64b3f;
      --color-danger-foreground: #fff8f0;
      --color-danger-hover: #8f3f34;
      --color-danger-muted: #f3e4df;
      --color-info: #4a6266;
      --color-info-foreground: #fff8f0;

      /* 边框 & 分隔 | Borders — 柔沙衍生的淡木线 */
      --color-border: #d4c9b4;
      --color-border-strong: #c4b59a;

      /* 文字 & 蒙层 | Text & Overlay */
      --color-muted: #6a5e52;
      --color-muted-light: #9a8f82;
      --color-overlay: rgba(61, 48, 40, 0.42);

      /* 组件级令牌 | Component tokens */
      --color-sidebar-bg: #3a4f52;
      --color-nav-btn-bg: transparent;
      --color-nav-btn-hover: rgba(255, 248, 240, 0.08);
      --color-nav-btn-active: rgba(166, 75, 63, 0.28);
      --color-tag-male-bg: transparent;
      --color-tag-male-text: #3a4f52;
      --color-tag-female-bg: transparent;
      --color-tag-female-text: #6b4038;
      --color-toast-bg: #3a4f52;
      --color-toast-text: #fff8f0;
      --color-input-placeholder: #9a8f82;
      --color-input-focus-ring: #4a6266;
      --color-table-header-bg: #e3d9c6;
      --color-backup-reminder-bg: #f0ead8;
      --color-backup-reminder-text: #6a5230;
      --color-room-empty: #4a6266;
      --color-room-partial: #8a7340;
      --color-room-full: #a64b3f;
      --color-meal-day-bg: #e3d9c6;

      /* 侧栏令牌 | Sidebar — 黛青底 */
      --color-sidebar: #3a4f52;
      --color-sidebar-foreground: #e8e4dc;
      --color-sidebar-hover: rgba(255, 248, 240, 0.08);
      --color-sidebar-border: rgba(255, 248, 240, 0.14);

      /* ── 排版 | Typography — 略放大便于客堂操作 ── */
      --font-sans: "Source Sans 3", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      --font-body: "Source Serif 4", "Noto Serif SC", "Songti SC", serif;
      --font-label: var(--font-sans);
      --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;
      --font-size-xs: 0.8125rem;
      --font-size-sm: 0.875rem;
      --font-size-base: 0.9375rem;
      --font-size-lg: 1.1875rem;
      --font-size-xl: 1.375rem;
      --font-size-2xl: 1.875rem;
      --font-weight-normal: 400;
      --font-weight-medium: 500;
      --font-weight-bold: 700;
      --line-height-tight: 1.25;
      --line-height-normal: 1.6;
      --line-height-relaxed: 1.75;

      /* ── 间距 | Spacing (4px grid) ── */
      --space-1: 0.25rem;
      --space-2: 0.5rem;
      --space-3: 0.75rem;
      --space-4: 1rem;
      --space-5: 1.25rem;
      --space-6: 1.5rem;
      --space-8: 2rem;
      --space-10: 2.5rem;

      /* ── 圆角 | Radius — 克制，近直角纸感 ── */
      --radius: 0.25rem;
      --radius-sm: calc(var(--radius) * 0.5);   /* 按钮/输入框 */
      --radius-md: var(--radius);               /* 卡片/面板 */
      --radius-lg: calc(var(--radius) * 1.5);   /* 大容器 */
      --radius-full: 9999px;

      /* ── 阴影 | Shadow — 几乎无影，靠纸色分层 ── */
      --shadow-sm: none;
      --shadow-md: 0 1px 0 var(--color-border);
      --shadow-lg: 0 2px 12px rgba(61, 48, 40, 0.07);

      /* ── 尺寸 | Sizing ── */
      --size-control: 2.5rem;
      --size-control-sm: 2rem;
      --size-sidebar: 15rem;
      --size-topbar: 4rem;
      --size-container: 100rem;

      /* ── 动画 | Animation ── */
      --transition-fast: 0.1s ease;
      --transition-normal: 0.2s ease;
      --transition-slow: 0.3s ease;
    }

    /* ── 响应式断点 | Responsive Breakpoints (Open Props-style) ──
       由于项目无 PostCSS 构建步骤，不使用 @custom-media，
       改用命名断点注释 + 标准 @media 查询
       ── */
    /* --breakpoint-sm: 600px  (手机横屏) */
    /* --breakpoint-md: 768px  (平板竖屏) */
    /* --breakpoint-lg: 1024px (平板横屏/小桌面) */

    /* ── 暗色模式 | Dark Mode ── */
    [data-theme="dark"] {
      --color-background: #1f1a16;
      --color-foreground: #e8e0d4;
      --color-card: #2a2624;
      --color-card-foreground: #e8e0d4;
      --color-primary: #c45a4a;
      --color-primary-foreground: #1f1a16;
      --color-primary-hover: #d46a5a;
      --color-primary-muted: #3a2c28;
      --color-muted: #a89888;
      --color-muted-light: #7a7068;
      --color-border: #3d3530;
      --color-border-strong: #4a4038;
      --color-surface: #2f2824;
      --color-surface-hover: #3a322c;
      --color-overlay: rgba(0, 0, 0, 0.62);
      --color-sidebar-bg: #243032;
      --color-nav-btn-bg: transparent;
      --color-nav-btn-hover: rgba(232, 224, 212, 0.08);
      --color-nav-btn-active: rgba(196, 90, 74, 0.24);
      --color-tag-male-bg: transparent;
      --color-tag-male-text: #8aabb0;
      --color-tag-female-bg: transparent;
      --color-tag-female-text: #c49090;
      --color-toast-bg: #3a4f52;
      --color-toast-text: #e8e0d4;
      --color-input-placeholder: #7a7068;
      --color-input-focus-ring: #6a8286;
      --color-table-header-bg: #2f2824;
      --color-backup-reminder-bg: #3a3228;
      --color-backup-reminder-text: #d4c090;
      --color-meal-day-bg: #2f2824;
      --color-room-empty: #6a8286;
      --color-room-partial: #a89050;
      --color-room-full: #c45a4a;
      --shadow-sm: none;
      --shadow-md: 0 1px 0 var(--color-border);
      --shadow-lg: 0 2px 12px rgba(0, 0, 0, 0.35);
    }

    /* ============================================================
       Reset & Base | 重置与基础
       ============================================================ */
    *,
    *::before,
    *::after { box-sizing: border-box; }

    html {
      background: var(--color-background);
    }

    body {
      margin: 0;
      font-family: var(--font-body);
      background: var(--color-background);
      color: var(--color-foreground);
      line-height: var(--line-height-normal);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      min-height: 100vh;
    }

    button,
    input,
    select,
    textarea { font-family: inherit; }

    .sidebar-nav-btn,
    .sidebar-footer-btn,
    .sidebar-cta,
    .kpi-label,
    .tab-btn,
    .topbar-search-input,
    .topbar-profile-name,
    .meal-stat-label,
    .reminder-time,
    .section-header-link,
    th,
    label,
    .btn { font-family: var(--font-label); }

    .app-shell {
      margin-left: var(--size-sidebar);
      flex: 1;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
      min-width: 0;
    }

    /* 宣纸底纹 | 仅用暖杏/柔沙，不用白高光冲淡底色 */
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      opacity: 0.5;
      background-color: var(--color-background);
      background-image: radial-gradient(circle at 80% 90%, rgba(227, 217, 198, 0.45) 0%, transparent 55%);
    }

    [data-theme="dark"] body::before {
      background-image: none;
      opacity: 1;
    }

    /* ============================================================
       Sidebar | 左侧边栏（Stitch 240px 固定）
       ============================================================ */
    .sidebar {
      position: fixed;
      left: 0;
      top: 0;
      bottom: 0;
      width: var(--size-sidebar);
      background: var(--color-sidebar-bg);
      color: var(--color-sidebar-foreground);
      display: flex;
      flex-direction: column;
      box-shadow: none;
      border-right: 1px solid var(--color-sidebar-border);
      z-index: 50;
      overflow-y: auto;
      padding: var(--space-8) var(--space-4);
    }

    .sidebar-brand {
      display: flex;
      align-items: center;
      gap: var(--space-3);
      padding: 0 var(--space-2) var(--space-4);
      border-bottom: none;
      margin-bottom: var(--space-4);
    }

    .sidebar-logo {
      display: inline-flex;
      color: var(--color-sidebar-foreground);
      flex-shrink: 0;
    }

    .sidebar-brand-text h1 {
      margin: 0;
      font-family: var(--font-serif);
      font-size: var(--font-size-lg);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-tight);
      letter-spacing: 0.08em;
      white-space: nowrap;
    }

    .sidebar-tagline {
      margin: var(--space-1) 0 0;
      font-size: 0.625rem;
      opacity: 0.7;
      letter-spacing: 0.06em;
    }

    .sidebar-cta {
      width: 100%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-2);
      padding: var(--space-3);
      margin-bottom: var(--space-4);
      border: none;
      border-radius: var(--radius-sm);
      background: var(--color-primary);
      color: var(--color-primary-foreground);
      font-size: var(--font-size-base);
      font-weight: var(--font-weight-medium);
      font-family: inherit;
      cursor: pointer;
      box-shadow: var(--shadow-md);
      transition: background var(--transition-fast);
    }

    .sidebar-cta:hover { background: var(--color-primary-hover); }

    .sidebar-cta-icon { display: inline-flex; }

    .sidebar-nav {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: var(--space-1);
    }

    .sidebar-nav-btn,
    .sidebar-footer-btn {
      display: flex;
      align-items: center;
      gap: var(--space-4);
      width: 100%;
      background: transparent;
      border: none;
      border-right: 4px solid transparent;
      color: var(--color-sidebar-foreground);
      padding: var(--space-2) var(--space-5);
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-size: var(--font-size-base);
      font-family: inherit;
      text-align: left;
      opacity: 0.6;
      transition: background var(--transition-fast), opacity var(--transition-fast), border-color var(--transition-fast);
      min-height: var(--size-control-sm);
    }

    .sidebar-nav-btn:hover,
    .sidebar-footer-btn:hover {
      background: var(--color-nav-btn-hover);
      opacity: 1;
    }

    .sidebar-nav-btn.active {
      background: rgba(53, 74, 77, 0.85);
      border-right-color: var(--color-primary);
      opacity: 1;
      font-weight: var(--font-weight-bold);
    }

    .sidebar-footer-btn.active {
      opacity: 1;
      background: var(--color-nav-btn-hover);
    }

    .nav-icon {
      display: inline-flex;
      flex-shrink: 0;
      width: 1.25rem;
      height: 1.25rem;
    }

    .sidebar-footer {
      margin-top: auto;
      padding-top: var(--space-4);
      border-top: 1px solid var(--color-sidebar-border);
      display: flex;
      flex-direction: column;
      gap: var(--space-1);
    }

    .sidebar-zen {
      margin-top: var(--space-6);
      padding: var(--space-4);
      border-radius: var(--radius-sm);
      background: rgba(47, 66, 68, 0.85);
      text-align: center;
      opacity: 0.85;
    }

    .sidebar-zen-icon {
      display: inline-flex;
      opacity: 0.5;
      margin-bottom: var(--space-1);
    }

    .sidebar-zen p {
      margin: 0;
      font-size: var(--font-size-xs);
      line-height: var(--line-height-relaxed);
    }

    /* ============================================================
       Topbar | 顶栏
       ============================================================ */
    .topbar {
      position: sticky;
      top: 0;
      z-index: 40;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-6);
      min-height: var(--size-topbar);
      padding: 0 var(--space-8);
      background: color-mix(in srgb, var(--color-background) 92%, transparent);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--color-border);
    }

    .topbar-left {
      display: flex;
      align-items: center;
      gap: var(--space-8);
      flex: 1;
      min-width: 0;
    }

    .topbar-title {
      margin: 0;
      font-family: var(--font-serif);
      font-size: var(--font-size-lg);
      font-weight: var(--font-weight-bold);
      white-space: nowrap;
    }

    .topbar-search {
      position: relative;
      width: 100%;
      max-width: 28rem;
    }

    .topbar-search-icon {
      position: absolute;
      left: var(--space-3);
      top: 50%;
      transform: translateY(-50%);
      display: inline-flex;
      color: var(--color-muted);
      pointer-events: none;
    }

    .topbar-search-input {
      width: 100%;
      padding: var(--space-2) var(--space-4) var(--space-2) 2.5rem;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-full);
      background: color-mix(in srgb, var(--color-surface) 50%, var(--color-card));
      font-size: var(--font-size-sm);
      font-family: inherit;
      color: var(--color-foreground);
    }

    .topbar-search-input:focus {
      outline: none;
      border-color: var(--color-primary);
      box-shadow: 0 0 0 1px var(--color-primary);
    }

    .topbar-right {
      display: flex;
      align-items: center;
      gap: var(--space-4);
      flex-shrink: 0;
    }

    .topbar-icon-btn {
      position: relative;
      background: none;
      border: none;
      padding: var(--space-2);
      cursor: pointer;
      color: var(--color-muted);
      display: inline-flex;
    }

    .topbar-icon-btn:hover { color: var(--color-primary); }

    .topbar-icon { display: inline-flex; width: 1.35rem; height: 1.35rem; }

    .topbar-badge {
      position: absolute;
      top: 6px;
      right: 6px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-primary);
    }

    .topbar-profile {
      display: inline-flex;
      align-items: center;
      gap: var(--space-3);
      padding-left: var(--space-6);
      border-left: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
      background: none;
      border-top: none;
      border-right: none;
      border-bottom: none;
      cursor: pointer;
      font-family: inherit;
      color: inherit;
    }

    .topbar-avatar {
      width: 2rem;
      height: 2rem;
      border-radius: 50%;
      border: 1px solid var(--color-border);
      background: var(--color-surface);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-medium);
      color: var(--color-primary);
    }

    .topbar-profile-name {
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-medium);
      white-space: nowrap;
    }

    /* Icons | 通用图标尺寸（Material 24px 光学网格） */
    .icon {
      width: 1.25rem;
      height: 1.25rem;
      display: block;
      fill: currentColor;
      flex-shrink: 0;
      shape-rendering: geometricPrecision;
    }

    .icon-sm { width: 1.125rem; height: 1.125rem; }

    .icon-xs { width: 1rem; height: 1rem; }

    .icon-inline {
      display: inline-block;
      vertical-align: -0.15em;
      margin-top: 0;
    }

    .nav-icon {
      width: 1.125rem;
      height: 1.125rem;
      opacity: 0.92;
    }

    .sidebar-cta-icon,
    .sidebar-cta-icon .icon {
      width: 1.125rem;
      height: 1.125rem;
    }

    .sidebar-logo .icon {
      width: 1.5rem;
      height: 1.5rem;
    }

    .ops-notice-icon .icon { width: 1.125rem; height: 1.125rem; }

    .section-icon .icon { width: 1.25rem; height: 1.25rem; }

    .meal-stat-head .icon { color: var(--color-dai-light); }

    .link-btn-more .icon { opacity: 0.72; }

    /* ============================================================
       Main Content | 主内容区
       ============================================================ */
    .content {
      flex: 1;
      overflow-y: auto;
      padding: var(--space-8);
      background: var(--color-background);
    }

    main,
    .board-view,
    .lodging-view {
      max-width: var(--size-container);
      margin: 0 auto;
      width: 100%;
    }

    .view { display: none; }
    .view.active { display: block; }

    /* ============================================================
       Card | 卡片
       ============================================================ */
    .card {
      background: var(--color-card);
      color: var(--color-card-foreground);
      border-radius: var(--radius-md);
      padding: var(--space-6);
      margin-bottom: var(--space-6);
      box-shadow: none;
      border: 1px solid var(--color-border);
    }

    /* ============================================================
       Stats | 统计数字
       ============================================================ */
    .stats {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
      gap: var(--space-3);
      margin-bottom: var(--space-5);
    }

    .stat {
      background: var(--color-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border-strong);
      padding: var(--space-5) var(--space-4);
      text-align: center;
      box-shadow: none;
    }

    .stat .num {
      font-size: var(--font-size-2xl);
      font-weight: var(--font-weight-bold);
      color: var(--color-primary);
      line-height: var(--line-height-tight);
      font-variant-numeric: tabular-nums;
    }

    .stat .label {
      color: var(--color-muted);
      font-size: var(--font-size-base);
      margin-top: var(--space-1);
    }

    /* ============================================================
       Board View | 房态看板（Stitch 布局，离线 CSS）
       ============================================================ */
    .board-divider {
      border: none;
      border-top: 1px solid var(--color-border);
      margin: 0 0 var(--space-6);
    }

    .kpi-strip {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 0;
      margin-bottom: var(--space-4);
    }

    @media (max-width: 1100px) {
      .kpi-strip { grid-template-columns: repeat(3, 1fr); }
    }

    @media (max-width: 640px) {
      .kpi-strip { grid-template-columns: repeat(2, 1fr); }
    }

    .kpi-item {
      display: flex;
      flex-direction: column;
      padding: 0 var(--space-4) var(--space-2);
      border-right: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
      position: relative;
    }

    .kpi-item:last-child { border-right: none; }

    /* 看板图表行 | Board chart row — KPI 下 3 图 */
    .board-charts {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-4);
      margin-bottom: var(--space-6);
    }

    @media (max-width: 1200px) {
      .board-charts { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 640px) {
      .board-charts { grid-template-columns: 1fr; }
    }

    .board-chart-card {
      background: var(--color-card);
      border: 1px solid color-mix(in srgb, var(--color-border) 55%, transparent);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-lg);
      padding: var(--space-4);
      display: flex;
      flex-direction: column;
      min-height: 240px;
    }

    .board-chart-card--compact {
      width: min(100%, 176px);
      min-height: 0;
      margin-left: auto;
      flex-shrink: 0;
      padding: var(--space-3);
    }

    .board-chart-card-head {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: var(--space-2);
      margin-bottom: var(--space-2);
    }

    .board-chart-card-title {
      margin: 0;
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-semibold);
      color: var(--color-foreground);
    }

    .board-chart-card-sub {
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      white-space: nowrap;
    }

    .board-chart-body {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      justify-content: center;
      min-height: 0;
    }

    .board-chart-body--ring {
      gap: var(--space-2);
    }

    .board-chart-body--bar {
      position: relative;
      height: 168px;
      width: 100%;
    }

    .board-chart-body--bar canvas {
      display: block;
      width: 100% !important;
      height: 100% !important;
    }

    .chart-ring-wrap {
      position: relative;
      width: min(100%, 132px);
      aspect-ratio: 1;
      margin: 0 auto;
    }

    .chart-ring-wrap--sm {
      width: min(100%, 112px);
    }

    .chart-ring-wrap canvas {
      display: block;
      width: 100% !important;
      height: 100% !important;
    }

    .chart-ring-center {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      pointer-events: none;
    }

    .chart-ring-pct {
      font-family: var(--font-serif);
      font-size: var(--font-size-xl);
      font-weight: var(--font-weight-bold);
      color: var(--color-primary);
      line-height: 1;
      font-variant-numeric: tabular-nums;
    }

    .chart-ring-wrap--sm .chart-ring-pct {
      font-size: var(--font-size-lg);
    }

    .chart-ring-label {
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      margin-top: var(--space-1);
    }

    .chart-legend-inline {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-1) var(--space-3);
      justify-content: center;
      font-size: var(--font-size-xs);
      color: var(--color-muted);
    }

    .chart-legend-item strong {
      color: var(--color-foreground);
      font-weight: var(--font-weight-semibold);
    }

    .chart-legend-dot {
      display: inline-block;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      margin-right: var(--space-1);
      vertical-align: middle;
    }

    .lodging-occ-chart {
      align-self: center;
    }

    .kpi-label {
      font-size: var(--font-size-sm);
      color: var(--color-muted);
      margin-bottom: var(--space-1);
    }

    .kpi-num {
      font-family: var(--font-serif);
      font-size: var(--font-size-2xl);
      font-weight: var(--font-weight-bold);
      color: var(--color-foreground);
      font-variant-numeric: tabular-nums;
      line-height: var(--line-height-tight);
    }

    .kpi-num-primary { color: var(--color-primary); }

    .kpi-num-dai { color: var(--color-dai); }

    .kpi-item-bar .stat-bar {
      position: absolute;
      left: var(--space-4);
      right: var(--space-4);
      bottom: 0;
      margin: 0;
    }

    .panel-card {
      background: var(--color-card);
      border: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
      border-radius: var(--radius-sm);
      margin-bottom: var(--space-6);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }

    .ops-panel {
      display: flex;
      flex-direction: column;
    }

    @media (min-width: 768px) {
      .ops-panel { flex-direction: row; }
    }

    .ops-panel-left {
      background: var(--color-surface);
      padding: var(--space-5) var(--space-6);
      border-bottom: 1px solid var(--color-border);
      min-width: 0;
    }

    @media (min-width: 768px) {
      .ops-panel-left {
        width: 33%;
        min-width: 240px;
        border-bottom: none;
        border-right: 1px solid var(--color-border);
      }
    }

    .ops-notice-header {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      margin-bottom: var(--space-3);
    }

    .ops-notice-header h3 {
      margin: 0;
      font-family: var(--font-serif);
      font-size: var(--font-size-base);
      font-weight: var(--font-weight-bold);
    }

    .ops-notice-icon {
      display: inline-flex;
      color: var(--color-primary);
    }

    .ops-notice-icon-info { color: var(--color-dai); flex-shrink: 0; margin-top: 2px; }

    .ops-notice-row {
      display: flex;
      align-items: flex-start;
      gap: var(--space-3);
      margin-top: var(--space-2);
    }

    .ops-notice-body {
      margin: 0;
      font-size: var(--font-size-sm);
      line-height: var(--line-height-relaxed);
      color: var(--color-foreground);
    }

    .ops-panel-right {
      flex: 1;
      padding: var(--space-4) var(--space-5);
      min-width: 0;
    }

    .panel-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-2);
      border-bottom: 1px solid var(--color-border);
      margin-bottom: var(--space-4);
    }

    .stay-mode-tabs {
      margin-bottom: var(--space-5);
    }

    .tab-btn {
      padding: var(--space-2) var(--space-4);
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-medium);
      color: var(--color-muted);
      background: transparent;
      border: none;
      border-bottom: 2px solid transparent;
      cursor: pointer;
      font-family: inherit;
      transition: color var(--transition-fast), border-color var(--transition-fast);
    }

    .tab-btn:hover { color: var(--color-foreground); }

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

    .tab-btn.active .tab-badge {
      background: var(--color-primary);
      color: var(--color-primary-foreground);
    }

    .tab-btn-danger { color: var(--color-danger); }

    .tab-btn-danger.active {
      color: var(--color-danger);
      border-bottom-color: var(--color-danger);
    }

    .tab-btn-danger.active .tab-badge {
      background: var(--color-danger-muted);
      color: var(--color-danger);
    }

    .tab-badge {
      display: inline-block;
      min-width: 1.25rem;
      padding: 0 var(--space-2);
      margin-left: var(--space-1);
      font-size: var(--font-size-xs);
      line-height: 1.4;
      border-radius: var(--radius-full);
      background: var(--color-surface);
      color: var(--color-muted);
    }

    .reminder-list { min-height: 3rem; }

    .reminder-list-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: var(--space-1) var(--space-8);
    }

    @media (min-width: 768px) {
      .reminder-list-grid { grid-template-columns: 1fr 1fr; }
    }

    .reminder-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: var(--space-3);
      padding: var(--space-2) var(--space-1);
      font-size: var(--font-size-sm);
      cursor: pointer;
      border-radius: var(--radius-sm);
    }

    .reminder-row:hover { background: var(--color-surface-hover); }

    .reminder-meta {
      color: var(--color-muted);
      font-size: var(--font-size-xs);
    }

    .reminder-time {
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      border: 1px solid var(--color-border);
      padding: 2px var(--space-2);
      border-radius: var(--radius-sm);
      white-space: nowrap;
    }

    .meals-panel {
      display: flex;
      flex-direction: column;
      border-left: 3px solid var(--color-primary);
      overflow: hidden;
    }

    .meals-panel-head {
      padding: var(--space-4) var(--space-5);
      background: var(--color-surface);
      border-bottom: 1px solid var(--color-border);
    }

    .meals-panel-head h3 {
      margin: 0;
      font-family: var(--font-serif);
      font-size: var(--font-size-base);
      font-weight: var(--font-weight-bold);
    }

    .meals-panel-stats,
    .meals-chart-row {
      display: grid;
      grid-template-columns: 1fr;
      gap: var(--space-4);
      width: 100%;
    }

    .meals-panel-stats {
      padding: var(--space-4) var(--space-5) 0;
    }

    @media (min-width: 900px) {
      .meals-panel-stats,
      .meals-chart-row {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }

    .meal-stat {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-width: 0;
      padding: var(--space-4) var(--space-3);
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
    }

    .meal-stat-bf { border-top: 3px solid color-mix(in srgb, var(--color-warning) 70%, transparent); }
    .meal-stat-lc { border-top: 3px solid color-mix(in srgb, var(--color-primary) 70%, transparent); }
    .meal-stat-dn { border-top: 3px solid color-mix(in srgb, var(--color-dai-light) 70%, transparent); }

    .meal-stat-head {
      display: inline-flex;
      align-items: center;
      gap: var(--space-2);
      margin-bottom: var(--space-1);
      color: var(--color-muted);
    }

    .meal-stat-label {
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-medium);
    }

    .meal-stat-num {
      font-family: var(--font-serif);
      font-size: var(--font-size-2xl);
      font-weight: var(--font-weight-bold);
      color: var(--color-primary);
      font-variant-numeric: tabular-nums;
    }

    .meal-stat-unit {
      font-size: var(--font-size-xs);
      color: var(--color-muted);
    }

    .meals-panel-detail {
      padding: var(--space-4) var(--space-5);
      background: color-mix(in srgb, var(--color-surface) 50%, var(--color-card));
    }

    .meals-chart-row {
      margin-bottom: 0;
    }

    .meals-meal-chart {
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      padding: var(--space-3);
      min-width: 0;
    }

    .meals-meal-chart-title {
      margin: 0 0 var(--space-2);
      font-family: var(--font-serif);
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-bold);
      text-align: center;
      color: var(--color-foreground);
    }

    .meals-meal-chart-inner {
      display: flex;
      flex-direction: row;
      align-items: stretch;
      gap: var(--space-3);
      min-height: 200px;
    }

    .meals-meal-chart-body {
      position: relative;
      flex: 1;
      min-width: 0;
    }

    .meals-meal-chart-body--pie {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: var(--space-2);
    }

    .meals-meal-chart-body--pie canvas {
      max-width: 100%;
      max-height: 180px;
    }

    .meals-role-stats-wrap {
      flex: 0 0 auto;
      min-width: 5.5rem;
      max-width: 9rem;
      display: flex;
      align-items: center;
      padding-left: var(--space-1);
    }

    .meals-side-panel {
      display: flex;
      flex-direction: column;
      width: 100%;
    }

    .meals-side-empty {
      margin: 0;
      font-size: var(--font-size-xs);
      color: var(--color-muted-light);
    }

    .meals-role-stats {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: var(--space-2);
      width: 100%;
    }

    .meals-role-stat-item {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: var(--space-2);
      font-size: var(--font-size-xs);
      line-height: 1.3;
    }

    .meals-role-stat-dot {
      width: 0.625rem;
      height: 0.625rem;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .meals-role-stat-dot--skip {
      background: var(--color-muted);
    }

    .meals-role-stat-name {
      color: var(--color-foreground);
      word-break: break-all;
    }

    .meals-role-stat-num {
      font-family: var(--font-serif);
      font-weight: var(--font-weight-bold);
      font-variant-numeric: tabular-nums;
      color: var(--color-primary);
    }

    .meals-detail-skip {
      background: var(--color-card);
      border-radius: var(--radius-sm);
      padding: var(--space-3) var(--space-4);
    }

    .meals-detail-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: var(--space-4);
    }

    @media (min-width: 768px) {
      .meals-detail-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    .meals-detail-block {
      background: var(--color-card);
      border-radius: var(--radius-sm);
      padding: var(--space-3) var(--space-4);
      min-width: 0;
    }

    .panel-card-left {
      background: var(--color-surface);
      padding: var(--space-5) var(--space-6);
      border-bottom: 1px solid var(--color-border);
    }

    @media (min-width: 768px) {
      .panel-card-left {
        width: 28%;
        min-width: 200px;
        border-bottom: none;
        border-right: 1px solid var(--color-border);
      }
    }

    .panel-card-left h3 {
      margin: 0;
      font-family: var(--font-serif);
      font-size: var(--font-size-base);
      font-weight: var(--font-weight-bold);
    }

    .panel-card-desc {
      margin: var(--space-2) 0 0;
      font-size: var(--font-size-xs);
      color: var(--color-muted);
    }

    .meals-detail-block + .meals-detail-block {
      margin-top: 0;
    }

    .meals-detail-title {
      margin: 0 0 var(--space-2);
      font-size: var(--font-size-xs);
      font-weight: var(--font-weight-medium);
      color: var(--color-muted);
    }

    .meals-role-table {
      width: 100%;
      border-collapse: collapse;
      font-size: var(--font-size-xs);
    }

    .meals-role-table th,
    .meals-role-table td {
      padding: var(--space-1) var(--space-2);
      text-align: center;
      border-bottom: 1px solid var(--color-border);
    }

    .meals-role-table th:first-child,
    .meals-role-table td:first-child {
      text-align: left;
    }

    .meals-skip-list {
      margin: 0;
      padding: 0;
      list-style: none;
      font-size: var(--font-size-xs);
      max-height: 120px;
      overflow: auto;
    }

    .meals-skip-list li + li {
      margin-top: var(--space-1);
    }

    .meals-skip-name {
      font-weight: var(--font-weight-medium);
    }

    .meals-skip-meta {
      color: var(--color-muted);
    }

    .meals-skip-empty,
    .meals-detail-empty {
      margin: 0;
      font-size: var(--font-size-xs);
      color: var(--color-muted-light);
    }

    .section-header {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: flex-end;
      gap: var(--space-3);
      padding: var(--space-5) var(--space-6) var(--space-3);
      border-bottom: 1px solid var(--color-border);
    }

    .section-header-legend {
      padding-left: 0;
      padding-right: 0;
      margin-bottom: var(--space-4);
    }

    .lodging-section-header {
      justify-content: space-between;
      align-items: center;
      gap: var(--space-4);
      flex-wrap: wrap;
      padding-top: 0;
      padding-bottom: var(--space-3);
    }

    .lodging-legend-heading {
      gap: var(--space-4);
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-medium);
      color: var(--color-foreground);
    }

    .lodging-legend-heading .legend-item {
      gap: var(--space-2);
    }

    .board-legend-inline {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-6);
      font-size: var(--font-size-xs);
      color: var(--color-muted);
    }

    .board-legend-inline .legend-dot {
      width: 10px;
      height: 10px;
      border-radius: 2px;
    }

    .legend-dorm-swatch {
      width: 14px;
      height: 10px;
      border-radius: 2px;
      border: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
    }

    .legend-dorm-male .legend-dorm-swatch {
      background: color-mix(in srgb, #e3f2fd 45%, #fffcf7);
    }

    .legend-dorm-female .legend-dorm-swatch {
      background: color-mix(in srgb, #fce4ec 45%, #fffcf7);
    }

    .section-header-title {
      margin: 0;
      font-family: var(--font-serif);
      font-size: var(--font-size-lg);
      font-weight: var(--font-weight-bold);
      letter-spacing: 0.06em;
      display: inline-flex;
      align-items: center;
      gap: var(--space-2);
    }

    .section-icon { display: inline-flex; color: var(--color-muted-light); }

    .section-header-link {
      background: none;
      border: none;
      padding: 0;
      font-size: var(--font-size-sm);
      color: var(--color-primary);
      cursor: pointer;
      font-family: inherit;
      font-weight: var(--font-weight-medium);
    }

    .section-header-link:hover { color: var(--color-primary-hover); }

    .search-hidden { display: none !important; }

    .room-section {
      margin-bottom: var(--space-6);
    }

    .room-section .room-legend {
      margin: 0;
      padding: 0;
      border: none;
    }

    .room-section #room-grid {
      padding: 0;
    }

    .room-section .board-loc-section + .board-loc-section {
      margin-top: var(--space-8);
    }

    .board-loc-title-row {
      margin-bottom: var(--space-4);
    }

    .board-loc-title {
      margin: 0;
      padding-left: var(--space-2);
      border-left: 2px solid var(--color-primary);
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-bold);
      color: var(--color-foreground);
      display: flex;
      align-items: center;
      gap: var(--space-2);
    }

    .board-loc-count {
      font-weight: var(--font-weight-normal);
      color: var(--color-muted);
    }

    .lodger-section .table-wrap { border: none; border-radius: 0; }

    /* 在住挂单独立页 | Active lodgers page */
    .lodgers-view .lodgers-page {
      display: flex;
      flex-direction: column;
      padding: 0;
      overflow: hidden;
    }

    .lodgers-page-head {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      justify-content: space-between;
      gap: var(--space-4);
      padding: var(--space-5) var(--space-6);
      border-bottom: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
      background: var(--color-surface);
    }

    .lodgers-page-title {
      margin: 0 0 var(--space-1);
      font-size: var(--font-size-lg);
      font-weight: var(--font-weight-semibold);
      color: var(--color-foreground);
      display: flex;
      align-items: center;
      gap: var(--space-2);
    }

    .lodgers-page-desc {
      margin: 0;
      font-size: var(--font-size-sm);
      color: var(--color-muted);
    }

    .lodgers-page-search {
      position: relative;
      flex: 1 1 280px;
      max-width: 420px;
    }

    .lodgers-search-icon {
      position: absolute;
      left: var(--space-3);
      top: 50%;
      transform: translateY(-50%);
      color: var(--color-muted);
      pointer-events: none;
      display: flex;
    }

    .lodgers-search-input {
      width: 100%;
      padding: var(--space-2) var(--space-3) var(--space-2) calc(var(--space-3) + 24px);
      border: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent);
      border-radius: var(--radius-sm);
      background: var(--color-card);
      color: var(--color-foreground);
      font-size: var(--font-size-sm);
      font-family: inherit;
    }

    .lodgers-search-input:focus {
      outline: none;
      border-color: var(--color-primary);
      box-shadow: 0 0 0 1px var(--color-primary);
    }

    .lodgers-table-scroll {
      height: 1040px;
      max-height: calc(100vh - 120px);
      overflow: auto;
      background: var(--color-card);
    }

    .lodgers-table-scroll .lodger-table {
      width: 100%;
      border-collapse: collapse;
    }

    .lodgers-search-hint {
      margin: 0;
      padding: var(--space-2) var(--space-6) var(--space-3);
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      border-top: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
    }

    .lodger-table tbody tr { cursor: pointer; }

    .lodger-name { font-weight: var(--font-weight-medium); color: var(--color-foreground); }

    .col-actions {
      text-align: right;
      white-space: nowrap;
    }

    .link-btn {
      background: none;
      border: none;
      padding: 0 var(--space-2);
      color: var(--color-primary);
      font-size: var(--font-size-sm);
      cursor: pointer;
      font-family: inherit;
    }

    .link-btn:hover { color: var(--color-primary-hover); }

    .link-btn-muted { color: var(--color-muted); }

    .link-btn-more {
      color: var(--color-muted-light);
      display: inline-flex;
      align-items: center;
      gap: 2px;
    }

    .link-btn-more:hover { color: var(--color-foreground); }

    .lodger-table thead {
      position: sticky;
      top: 0;
      z-index: 1;
    }

    .badge-overdue {
      display: inline-block;
      padding: 2px var(--space-2);
      margin-right: var(--space-1);
      font-size: var(--font-size-xs);
      background: var(--color-danger-muted);
      color: var(--color-danger);
      border-radius: var(--radius-sm);
    }

    .checkout-today { color: var(--color-warning); font-weight: var(--font-weight-medium); }

    /* ============================================================
       Section Title | 区块标题
       ============================================================ */
    .section-title {
      font-size: var(--font-size-lg);
      font-weight: var(--font-weight-medium);
      margin: 0 0 var(--space-5) 0;
      padding-bottom: var(--space-3);
      border-bottom: 2px solid var(--color-primary);
      color: var(--color-foreground);
      letter-spacing: 0.1em;
    }

    /* ============================================================
       Room Grid & Room Cards | 房间卡片（按寮分组）
       ============================================================ */
    .room-legend {
      display: flex;
      gap: var(--space-4);
      margin-bottom: var(--space-3);
      padding-bottom: var(--space-2);
      border-bottom: 1px solid var(--color-border);
      font-size: var(--font-size-xs);
      color: var(--color-muted);
    }

    .legend-item { display: flex; align-items: center; gap: var(--space-1); }

    .legend-dot {
      width: 10px; height: 10px; border-radius: 2px; flex-shrink: 0;
    }

    .legend-free { border: 1.5px solid var(--color-border-strong); background: transparent; }

    .legend-avail { background: #4a7c59; }

    .legend-occ { background: var(--color-primary); }

    .legend-blocked { border: 1.5px solid var(--color-border-strong); background: color-mix(in srgb, var(--color-muted) 25%, transparent); }

    .legend-dirty { background: var(--color-dai); }

    .board-legend {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-3);
      margin-bottom: var(--space-4);
      padding-bottom: var(--space-3);
      border-bottom: 1px solid var(--color-border);
      font-size: var(--font-size-xs);
      color: var(--color-muted);
    }

    .room-tag {
      display: inline-flex;
      align-items: center;
      padding: 0 var(--space-2);
      border-radius: var(--radius-sm);
      font-size: 10px;
      font-weight: var(--font-weight-semibold);
      line-height: 18px;
      white-space: nowrap;
    }

    .section-count {
      margin-left: auto;
      font-size: var(--font-size-xs);
      font-weight: var(--font-weight-normal);
      color: var(--color-muted);
    }

    .room-card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      margin-bottom: var(--space-2);
    }

    .occupancy-bar {
      height: 4px;
      background: var(--color-border);
      border-radius: 2px;
      overflow: hidden;
      margin-bottom: var(--space-2);
    }

    .occupancy-bar > div { height: 100%; border-radius: 2px; transition: width .25s ease; }

    .mini-beds {
      display: flex;
      flex-wrap: wrap;
      gap: 3px;
      margin-bottom: var(--space-2);
      min-height: 8px;
    }

    .mini-bed {
      width: 6px;
      height: 6px;
      border-radius: 1px;
    }

    /* 寮区分组 | Dorm section */
    .dorm-section { margin-bottom: var(--space-5); }

    .dorm-section-title {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-bold);
      color: var(--color-muted);
      margin: 0 0 var(--space-3) var(--space-2);
      padding-left: var(--space-2);
      border-left: 2px solid var(--color-border);
    }

    .room-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: var(--space-3);
    }

    .room-section .room-grid {
      grid-template-columns: repeat(4, 1fr);
    }

    @media (min-width: 768px) {
      .room-section .room-grid { grid-template-columns: repeat(6, 1fr); }
    }

    @media (min-width: 1024px) {
      .room-section .room-grid { grid-template-columns: repeat(8, 1fr); }
    }

    /* 房间卡片 | Room card（8 列紧凑缩略图） */
    .room-section .room-card {
      height: auto;
      min-height: 56px;
      min-width: 0;
      padding: 6px 8px 6px 12px;
      overflow: hidden;
      background: #fffcf7;
    }

    .room-section .room-card-dorm-male {
      background: color-mix(in srgb, #e3f2fd 45%, #fffcf7);
    }

    .room-section .room-card-dorm-female {
      background: color-mix(in srgb, #fce4ec 45%, #fffcf7);
    }

    .room-section .room-card-dorm-male.room-card-dirty {
      background: color-mix(in srgb, var(--color-dai) 8%, #e3f2fd 35%, #fffcf7);
    }

    .room-section .room-card-dorm-female.room-card-dirty {
      background: color-mix(in srgb, var(--color-dai) 8%, #fce4ec 35%, #fffcf7);
    }

    .room-card {
      background: var(--color-card);
      border: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
      border-radius: var(--radius-sm);
      padding: var(--space-4);
      cursor: pointer;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
      position: relative;
    }

    .room-card::before {
      content: '';
      position: absolute;
      left: 0;
      top: 10%;
      bottom: 10%;
      width: 3px;
      border-radius: 2px;
      opacity: 0.85;
    }

    .room-section .room-card::before {
      top: 0;
      bottom: 0;
    }

    .room-card:hover {
      border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
      box-shadow: var(--shadow-lg);
      transform: translateY(-2px);
    }

    .room-section .room-card:hover {
      transform: translateY(-1px);
    }

    .room-card-empty::before { background: var(--color-border-strong); }

    .room-card-partial::before,
    .room-card-full::before { background: var(--color-primary); }

    .room-card-dirty {
      background: color-mix(in srgb, var(--color-dai) 5%, var(--color-card));
      border-color: color-mix(in srgb, var(--color-dai) 30%, var(--color-border));
    }

    .room-card-dirty::before { background: var(--color-dai); }

    .room-card-selected {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 25%, transparent);
    }

    .room-card.search-match {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 1px var(--color-primary);
    }

    .room-card-header {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: var(--space-1);
      margin-bottom: var(--space-3);
    }

    .room-section .room-card-header {
      display: block;
      margin-bottom: 4px;
    }

    .room-card-meta-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-1);
      min-width: 0;
    }

    .room-section .room-card-meta-row {
      gap: 4px;
    }

    .room-card-body {
      display: flex;
      flex-direction: column;
      gap: var(--space-2);
    }

    .room-section .room-card-body {
      gap: 2px;
    }

    .room-card-occ {
      font-size: 10px;
      font-weight: var(--font-weight-medium);
      color: var(--color-primary);
      white-space: nowrap;
      flex-shrink: 0;
      font-variant-numeric: tabular-nums;
    }

    .room-section .room-card-meta-row .room-card-occ {
      line-height: 1;
    }

    .room-section .room-card-meta-row .room-card-clean-icon {
      display: inline-flex;
      flex-shrink: 0;
    }

    .room-card-empty .room-card-occ,
    .room-card-empty .room-card-occ-muted {
      color: var(--color-muted);
    }

    .room-card-dirty-note {
      font-size: 10px;
      color: var(--color-muted);
      line-height: 1.2;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .room-occ-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: var(--font-size-xs);
      font-weight: var(--font-weight-medium);
      color: var(--color-muted);
    }

    .room-section .room-occ-row { display: none; }

    .room-section .room-card .occupancy-bar { display: none; }

    .room-card .occupancy-bar {
      height: 6px;
      background: var(--color-sand, #e3d9c6);
      border-radius: var(--radius-full);
      overflow: hidden;
      margin: 0;
    }

    .room-section .room-card .occupancy-bar {
      height: 4px;
      margin-top: 2px;
    }

    .room-card .occupancy-bar > div {
      height: 100%;
      background: var(--color-primary);
      border-radius: var(--radius-full);
      transition: width var(--transition-slow);
    }

    .room-bed-dots {
      display: flex;
      flex-wrap: wrap;
      gap: 4px;
      margin-top: var(--space-1);
    }

    .room-section .room-bed-dots {
      display: flex;
      flex-wrap: wrap;
      gap: 2px;
      margin-top: 0;
      flex: 1;
      min-width: 0;
      align-content: flex-start;
    }

    .room-section .room-bed-dots-dense {
      display: grid;
      grid-template-columns: repeat(10, 6px);
    }

    .room-section .room-bed-dot {
      width: 6px;
      height: 6px;
    }

    .room-bed-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .room-bed-dot-free {
      border: 1.5px solid var(--color-border-strong);
      background: transparent;
    }

    .room-bed-dot-occ { background: var(--color-primary); }

    .room-bed-dot-avail { background: #4a7c59; }

    .room-bed-dot-blocked {
      border: 1.5px solid var(--color-border-strong);
      background: color-mix(in srgb, var(--color-muted) 25%, transparent);
    }

    .room-bed-dot-dirty { background: var(--color-dai); }

    .room-detail-panel {
      position: relative;
      margin-top: var(--space-4);
      padding: 0;
      background: #fff1ea;
      border: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
      border-radius: var(--radius-sm);
      max-height: 280px;
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }

    #room-detail-home:empty {
      display: none;
    }

    .room-detail-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-3);
      flex-shrink: 0;
      padding: var(--space-2) var(--space-4);
      background: color-mix(in srgb, var(--color-card) 55%, #fff1ea);
      border-bottom: 1px solid color-mix(in srgb, var(--color-border) 35%, transparent);
    }

    .room-detail-head-title {
      font-family: var(--font-serif);
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-medium);
      color: var(--color-foreground);
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .room-detail-body {
      flex: 1;
      min-height: 0;
      overflow-y: auto;
      padding: var(--space-3) var(--space-4) var(--space-4);
    }

    .room-detail-close {
      position: static;
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 1.75rem;
      height: 1.75rem;
      padding: 0;
      border: none;
      background: transparent;
      color: var(--color-muted);
      cursor: pointer;
      border-radius: var(--radius-sm);
    }

    .room-detail-close:hover {
      color: var(--color-foreground);
      background: color-mix(in srgb, var(--color-surface) 40%, transparent);
    }

    .room-detail-columns {
      display: grid;
      grid-template-columns: 1fr;
      column-gap: var(--space-3);
      row-gap: var(--space-2);
    }

    @media (min-width: 768px) {
      .room-detail-columns { grid-template-columns: repeat(2, 1fr); }
    }

    @media (min-width: 1280px) {
      .room-detail-columns { grid-template-columns: repeat(3, 1fr); }
    }

    .room-detail-col {
      display: flex;
      flex-direction: column;
      gap: var(--space-2);
      min-width: 0;
      padding: var(--space-2) var(--space-3);
      border-radius: var(--radius-sm);
      background: color-mix(in srgb, var(--color-card) 65%, #fff1ea);
    }

    .room-detail-col:nth-child(even) {
      background: color-mix(in srgb, var(--color-surface) 22%, #fff1ea);
    }

    .room-detail-col:nth-child(3n) {
      background: color-mix(in srgb, var(--color-primary) 5%, #fff1ea);
    }

    .room-detail-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-2);
      padding-bottom: var(--space-1);
      border-bottom: 1px solid color-mix(in srgb, var(--color-border) 20%, transparent);
      font-size: var(--font-size-xs);
      line-height: 1.5;
    }

    .room-detail-row-main {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      min-width: 0;
      flex: 1;
    }

    .room-detail-bed-tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      min-width: 2.5rem;
      padding: 2px 6px;
      font-size: 10px;
      font-weight: var(--font-weight-semibold);
      line-height: 1.35;
      border-radius: 2px;
      background: color-mix(in srgb, var(--color-border) 28%, #fff1ea);
      color: var(--color-foreground);
      border: 1px solid color-mix(in srgb, var(--color-border) 45%, transparent);
    }

    .room-detail-row-occ .room-detail-bed-tag {
      background: color-mix(in srgb, var(--color-primary) 16%, #fff1ea);
      color: var(--color-primary);
      border-color: color-mix(in srgb, var(--color-primary) 28%, transparent);
    }

    .room-detail-row-free .room-detail-bed-tag,
    .room-detail-row-dirty .room-detail-bed-tag {
      background: color-mix(in srgb, var(--color-border) 22%, #fff1ea);
      color: var(--color-muted);
    }

    .room-detail-row-dirty .room-detail-bed-tag {
      background: color-mix(in srgb, var(--color-dai) 12%, #fff1ea);
      color: var(--color-dai);
      border-color: color-mix(in srgb, var(--color-dai) 22%, transparent);
    }

    .room-detail-row-text {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .room-detail-guest {
      font-weight: var(--font-weight-medium);
      color: var(--color-foreground);
    }

    .room-detail-status {
      color: var(--color-muted);
    }

    .room-detail-row-muted { color: var(--color-muted); }

    .room-detail-dot-occ { color: var(--color-primary); }

    .room-detail-dot-free { color: var(--color-border-strong); }

    .room-detail-dot-dirty { color: var(--color-dai); }

    .bed-action-menu {
      position: relative;
      flex-shrink: 0;
    }

    .bed-action-trigger {
      display: inline-flex;
      align-items: center;
      gap: 2px;
      padding: 0;
      border: none;
      background: none;
      font-size: 10px;
      font-family: var(--font-label);
      font-weight: var(--font-weight-medium);
      color: var(--color-muted);
      cursor: pointer;
      line-height: 0;
      white-space: nowrap;
      transition: color var(--transition-fast);
    }

    .bed-action-trigger:hover,
    .bed-action-menu.open .bed-action-trigger {
      color: var(--color-foreground);
      background: none;
      border: none;
    }

    .bed-action-trigger-icon {
      justify-content: center;
      width: auto;
      height: auto;
      padding: 2px;
    }

    .bed-action-trigger-icon .icon {
      opacity: 0.72;
    }

    .bed-action-trigger-icon:hover .icon,
    .bed-action-menu.open .bed-action-trigger-icon .icon {
      opacity: 1;
    }

    .bed-action-trigger-assign:hover {
      color: var(--color-primary);
    }

    .bed-action-trigger-label,
    .bed-action-trigger-chevron {
      display: none;
    }

    .bed-action-popover {
      display: none;
      min-width: 7.25rem;
      padding: 4px;
    }

    .bed-action-menu.open .bed-action-popover {
      display: block;
    }

    .bed-action-popover-fixed {
      position: fixed;
      z-index: 1100;
    }

    .bed-action-item {
      display: flex;
      align-items: center;
      gap: 6px;
      width: 100%;
    }

    .bed-action-item .icon {
      flex-shrink: 0;
      opacity: 0.78;
      color: var(--color-muted);
    }

    .bed-action-item-danger { color: var(--color-danger); }

    .bed-action-item-danger .icon { color: var(--color-danger); opacity: 0.85; }

    .reminder-row-actions {
      display: inline-flex;
      align-items: center;
      gap: var(--space-2);
      flex-shrink: 0;
    }

    .reminder-row { cursor: default; }

    /* 统一弹出菜单 | Unified popover menus */
    .ui-menu {
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-lg);
    }

    .ui-menu-item {
      display: flex;
      align-items: center;
      gap: 6px;
      width: 100%;
      padding: 6px 10px;
      border: none;
      background: none;
      font-size: var(--font-size-xs);
      font-family: inherit;
      color: var(--color-foreground);
      text-align: left;
      border-radius: 3px;
      cursor: pointer;
      line-height: 1.4;
      transition: background var(--transition-fast);
    }

    .ui-menu-item:hover:not(:disabled) {
      background: color-mix(in srgb, var(--color-surface) 55%, transparent);
    }

    .ui-menu-item.selected {
      background: color-mix(in srgb, var(--color-primary) 10%, #fff);
      color: var(--color-primary-text);
    }

    .ui-menu-item-disabled,
    .ui-menu-item:disabled {
      opacity: 0.45;
      cursor: not-allowed;
    }

    .ui-menu-item-danger { color: var(--color-danger); }

    .ui-menu-item-danger:hover:not(:disabled) {
      background: color-mix(in srgb, var(--color-danger) 10%, #fff);
    }

    /* 自定义下拉 | Custom select picker */
    .picker-native-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      opacity: 0;
      pointer-events: none;
      overflow: hidden;
    }

    .select-picker {
      position: relative;
      width: 100%;
    }

    .select-picker-trigger {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-2);
      width: 100%;
      padding: var(--space-2) var(--space-3);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-card);
      color: var(--color-foreground);
      font-size: var(--font-size-base);
      font-family: inherit;
      cursor: pointer;
      min-height: 2.25rem;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .select-picker-trigger:hover {
      border-color: var(--color-input-focus-ring);
    }

    .select-picker.open .select-picker-trigger {
      border-color: var(--color-input-focus-ring);
      box-shadow: 0 0 0 3px var(--color-primary-muted);
    }

    .select-picker-trigger-text {
      flex: 1;
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      text-align: left;
    }

    .select-picker-trigger-placeholder .select-picker-trigger-text {
      color: var(--color-muted);
    }

    .select-picker-chevron {
      flex-shrink: 0;
      opacity: 0.72;
      transition: transform var(--transition-fast);
    }

    .select-picker.open .select-picker-chevron {
      transform: rotate(180deg);
    }

    .select-picker-list {
      display: none;
      min-width: 100%;
      max-height: 240px;
      overflow-y: auto;
      overscroll-behavior: contain;
      padding: 4px;
      -webkit-overflow-scrolling: touch;
    }

    .select-picker.open .select-picker-list {
      display: block;
    }

    .select-picker-list-fixed {
      position: fixed;
      z-index: 1100;
      min-width: 8rem;
    }

    .select-picker-item {
      justify-content: flex-start;
    }

    .room-card-name {
      font-family: var(--font-serif);
      font-size: var(--font-size-lg);
      font-weight: var(--font-weight-bold);
      color: var(--color-foreground);
    }

    .room-section .room-card-name {
      display: block;
      width: 100%;
      font-size: 13px;
      line-height: 1.3;
      white-space: normal;
      word-break: break-word;
      overflow: visible;
      text-overflow: unset;
    }

    .room-section .room-card-clean-icon .icon {
      width: 12px;
      height: 12px;
    }

    .room-card-name-muted { color: var(--color-muted); }

    .room-card-clean-icon {
      display: inline-flex;
      color: var(--color-dai);
    }

    .room-card-count { display: none; }

    /* 床位条 | Bed card inside room */
    .room-card-beds {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-2);
    }

    .bed-card {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      padding: var(--space-1) var(--space-2);
      border-radius: var(--radius-sm);
      font-size: var(--font-size-xs);
      flex: 1 1 45%;
      min-width: 45%;
      cursor: pointer;
      transition: transform .08s, box-shadow .15s;
    }

    .bed-card:hover {
      transform: translateY(-1px);
      box-shadow: var(--shadow-sm);
    }

    .bed-card.free:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
    }

    .bed-card.occ { background: color-mix(in srgb, var(--color-primary-muted) 50%, transparent); color: var(--color-primary); }

    .bed-card.free {
      background: var(--color-card);
      border: 1px solid color-mix(in srgb, var(--color-border) 30%, transparent);
      color: var(--color-muted);
    }

    .bed-card.dirty { background: color-mix(in srgb, var(--color-dai) 10%, transparent); color: var(--color-dai); }

    .bed-card.maint { background: color-mix(in srgb, var(--color-dai) 12%, transparent); color: var(--color-dai); }

    .bed-dot {
      width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
    }

    .bed-dot-occ { background: var(--color-primary); }

    .bed-dot-free { border: 1.5px solid var(--color-border-strong); background: transparent; }

    .bed-dot-dirty { background: var(--color-dai); }

    .bed-label {
      font-weight: var(--font-weight-medium);
      min-width: 24px;
    }

    .bed-occupant {
      margin-left: auto;
      font-weight: var(--font-weight-normal);
      max-width: 80px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    /* KPI 进度条 | Stat bar */
    .stat-bar {
      height: 3px;
      background: var(--color-border);
      border-radius: 2px;
      margin-top: var(--space-1);
      margin-bottom: 2px;
    }

    .stat-bar-fill {
      height: 100%;
      border-radius: 2px;
      transition: width var(--transition-slow);
    }

    /* ============================================================
       Tables | 表格
       ============================================================ */
    table {
      width: 100%;
      border-collapse: collapse;
    }

    th,
    td {
      padding: var(--space-3) var(--space-4);
      text-align: left;
      border-bottom: 1px solid var(--color-border);
    }

    th {
      background: var(--color-table-header-bg);
      font-weight: var(--font-weight-medium);
      color: var(--color-muted);
      font-size: var(--font-size-sm);
      letter-spacing: 0.04em;
    }

    td { font-size: var(--font-size-base); }

    tbody tr:hover td { background: var(--color-surface-hover); }

    .table-wrap {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }

    /* ============================================================
       Buttons | 按钮
       ============================================================ */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: var(--space-2) var(--space-5);
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-size: var(--font-size-base);
      font-family: inherit;
      line-height: var(--line-height-tight);
      transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
      text-decoration: none;
      gap: var(--space-2);
      min-height: var(--size-control-sm);
    }

    .btn:hover { opacity: 1; }

    .btn:focus-visible {
      outline: 2px solid var(--color-input-focus-ring);
      outline-offset: 2px;
    }

    .btn-primary {
      background: var(--color-primary);
      color: var(--color-primary-foreground);
      border-color: var(--color-primary);
    }

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

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

    .btn-success:hover { background: var(--color-success-muted); }

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

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

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

    .btn-warning:hover { background: var(--color-warning-muted); }

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

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

    .btn-default {
      background: transparent;
      color: var(--color-foreground);
      border-color: var(--color-border-strong);
    }

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

    .btn-sm {
      padding: var(--space-1) var(--space-3);
      font-size: var(--font-size-sm);
      min-height: 1.875rem;
    }

    /* ============================================================
       Forms | 表单
       ============================================================ */
    .field {
      margin-bottom: var(--space-3);
    }

    .field label {
      display: block;
      margin-bottom: var(--space-1);
      font-size: var(--font-size-sm);
      color: var(--color-muted);
      font-weight: var(--font-weight-medium);
    }

    form label {
      font-size: var(--font-size-base);
    }

    form .field { margin-bottom: var(--space-3); }

    .field input:not([type="checkbox"]):not([type="radio"]),
    .field select,
    .field textarea {
      width: 100%;
      padding: var(--space-2) var(--space-3);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-size: var(--font-size-base);
      font-family: inherit;
      background: var(--color-card);
      color: var(--color-foreground);
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .field input:not([type="checkbox"]):not([type="radio"]):focus,
    .field select:focus,
    .field textarea:focus {
      outline: none;
      border-color: var(--color-input-focus-ring);
      box-shadow: 0 0 0 3px var(--color-primary-muted);
    }

    .field input::placeholder,
    .field textarea::placeholder { color: var(--color-input-placeholder); }

    .field textarea {
      resize: vertical;
      min-height: 4.5rem;
      max-height: 12rem;
      line-height: 1.5;
    }

    /* 输入校验反馈 | Input validation feedback */
    .field input.invalid,
    .field select.invalid,
    .select-picker-trigger.invalid {
      border-color: var(--color-danger);
      box-shadow: 0 0 0 3px var(--color-danger-muted);
    }

    .field input.valid {
      border-color: var(--color-success);
    }

    .field-error {
      color: var(--color-danger);
      font-size: var(--font-size-xs);
      margin-top: var(--space-1);
      display: none;
    }

    .field-error.visible { display: block; }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--space-4);
    }

    /* ============================================================
       Bed Picker | 床位选择器（二级折叠菜单）
       ============================================================ */
    .bed-picker {
      position: relative;
      user-select: none;
    }

    .bed-picker-trigger {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: var(--space-2) var(--space-3);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-card);
      color: var(--color-foreground);
      font-size: var(--font-size-base);
      cursor: pointer;
      min-height: 2.25rem;
      transition: border-color var(--transition-fast);
    }

    .bed-picker-trigger:hover { border-color: var(--color-input-focus-ring); }

    .bed-picker-arrow {
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      transition: transform var(--transition-fast);
    }

    .bed-picker.open .bed-picker-arrow { transform: rotate(180deg); }

    .bed-picker-dropdown {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      max-height: 320px;
      overflow-y: auto;
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-lg);
      z-index: 100;
      margin-top: 2px;
    }

    .bed-picker.open .bed-picker-dropdown { display: block; }

    .bp-room {
      border-bottom: 1px solid var(--color-border);
    }

    .bp-room:last-child { border-bottom: none; }

    .bp-room-header {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      padding: var(--space-2) var(--space-3);
      cursor: pointer;
      font-size: var(--font-size-base);
      font-weight: var(--font-weight-medium);
      color: var(--color-foreground);
      transition: background var(--transition-fast);
    }

    .bp-room-header:hover { background: var(--color-surface-hover); }

    .bp-room-full {
      color: var(--color-muted);
      font-size: var(--font-size-xs);
      margin-left: auto;
      margin-right: var(--space-1);
    }

    .bp-room-dot {
      font-size: var(--font-size-sm);
      flex-shrink: 0;
    }

    .bp-room-arrow {
      margin-left: auto;
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      transition: transform var(--transition-fast);
    }

    .bp-room.expanded .bp-room-arrow { transform: rotate(90deg); }

    .bp-room-beds {
      display: none;
      background: var(--color-surface);
    }

    .bp-room.expanded .bp-room-beds { display: block; }

    .bp-bed {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      padding: var(--space-2) var(--space-3) var(--space-2) var(--space-8);
      cursor: pointer;
      font-size: var(--font-size-sm);
      color: var(--color-foreground);
      transition: background var(--transition-fast);
    }

    .bp-bed:hover { background: var(--color-primary-muted); }

    .bp-bed.selected {
      background: var(--color-primary);
      color: var(--color-primary-foreground);
    }

    .bp-bed-status {
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      margin-left: auto;
    }

    .bp-bed.selected .bp-bed-status { color: var(--color-primary-foreground); }

    .bp-empty {
      padding: var(--space-3);
      text-align: center;
      color: var(--color-muted-light);
      font-size: var(--font-size-sm);
    }

    /* ============================================================
       Modal & Toast | 弹窗与提示
       ============================================================ */
    .modal-backdrop {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--color-overlay);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 999;
    }

    .modal-backdrop.active { display: flex; }

    .modal {
      background: var(--color-card);
      color: var(--color-card-foreground);
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
      width: 90%;
      max-width: 500px;
      max-height: 90vh;
      overflow-y: auto;
      padding: var(--space-5);
      box-shadow: var(--shadow-lg);
    }

    .modal-form .modal-summary {
      margin-bottom: var(--space-4);
      padding-bottom: var(--space-3);
      border-bottom: 1px solid color-mix(in srgb, var(--color-border) 35%, transparent);
      font-size: var(--font-size-sm);
    }

    .modal-form .modal-summary p {
      margin: 0 0 var(--space-1);
      line-height: 1.5;
    }

    .modal-summary-label {
      color: var(--color-muted);
      margin-right: var(--space-2);
    }

    .modal-summary-muted {
      color: var(--color-muted);
      font-size: var(--font-size-xs);
    }

    .modal-form .field {
      margin-bottom: var(--space-3);
    }

    .modal-form .field label {
      display: block;
      margin-bottom: var(--space-1);
      font-size: var(--font-size-sm);
      color: var(--color-muted);
      font-weight: var(--font-weight-medium);
    }

    .modal-actions {
      display: flex;
      justify-content: flex-end;
      gap: var(--space-2);
      margin-top: var(--space-4);
      padding-top: var(--space-3);
      border-top: 1px solid color-mix(in srgb, var(--color-border) 35%, transparent);
    }

    .confirm-dialog-message {
      margin: 0;
      font-size: var(--font-size-base);
      line-height: 1.6;
      color: var(--color-foreground);
    }

    .assign-bed-modal .modal-summary {
      margin-bottom: var(--space-3);
    }

    .assign-pick-section + .assign-pick-section {
      margin-top: var(--space-3);
    }

    .assign-pick-section-title {
      font-size: var(--font-size-xs);
      font-weight: var(--font-weight-medium);
      color: var(--color-muted);
      letter-spacing: 0.04em;
      margin-bottom: var(--space-1);
    }

    .assign-pick-list {
      display: flex;
      flex-direction: column;
      gap: 2px;
      max-height: 168px;
      overflow-y: auto;
      overscroll-behavior: contain;
      padding: 4px;
      background: color-mix(in srgb, var(--color-card) 70%, #fff1ea);
      border-radius: var(--radius-sm);
    }

    .assign-pick-empty {
      margin: var(--space-2);
      font-size: var(--font-size-xs);
    }

    .assign-pick-item {
      flex-direction: column;
      align-items: flex-start;
      gap: 2px;
      padding: 8px 10px;
    }

    .assign-pick-text {
      display: flex;
      flex-direction: column;
      gap: 2px;
      min-width: 0;
      width: 100%;
    }

    .assign-pick-name {
      font-size: var(--font-size-sm);
      font-weight: var(--font-weight-medium);
      color: var(--color-foreground);
    }

    .assign-pick-meta {
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      line-height: 1.4;
    }

    .modal h3 { margin-top: 0; }

    .modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .close {
      font-size: var(--font-size-2xl);
      cursor: pointer;
      color: var(--color-muted);
      line-height: 1;
    }

    .toast {
      position: fixed;
      bottom: var(--space-5);
      right: var(--space-5);
      background: var(--color-toast-bg);
      color: var(--color-toast-text);
      padding: var(--space-3) var(--space-5);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-lg);
      display: none;
      z-index: 1000;
      font-size: var(--font-size-base);
    }

    /* ============================================================
       Tags | 标签
       ============================================================ */
    .tag {
      display: inline-block;
      padding: 0 var(--space-2);
      border-radius: var(--radius-sm);
      font-size: var(--font-size-xs);
      margin-left: var(--space-2);
      font-weight: var(--font-weight-normal);
      border: 1px solid var(--color-border-strong);
      background: transparent;
      letter-spacing: 0.06em;
    }

    .tag-m {
      color: var(--color-tag-male-text);
      border-color: var(--color-dai-light);
      background: var(--color-tag-male-bg);
    }

    .tag-f {
      color: var(--color-tag-female-text);
      border-color: var(--color-primary);
      background: var(--color-tag-female-bg);
    }

    /* ============================================================
       Reminders | 退房提醒
       ============================================================ */
    .reminders {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: var(--space-3);
      margin-bottom: var(--space-5);
    }

    .reminder {
      border-radius: var(--radius-md);
      padding: var(--space-4);
      color: var(--color-foreground);
      background: var(--color-card);
      border: 1px solid var(--color-border);
    }

    .reminder-today { border-left: 3px solid var(--color-warning); }

    .reminder-tomorrow { border-left: 3px solid var(--color-info); }

    .reminder-overdue { border-left: 3px solid var(--color-danger); }

    .reminder h4 {
      margin: 0 0 var(--space-3) 0;
      font-size: var(--font-size-base);
      font-weight: var(--font-weight-medium);
      color: var(--color-muted);
      letter-spacing: 0.06em;
    }

    .reminder .item {
      font-size: var(--font-size-sm);
      padding: var(--space-2) 0;
      border-bottom: 1px solid var(--color-border);
      cursor: pointer;
    }

    .reminder .item:last-child { border-bottom: none; }

    /* ============================================================
       Filters | 筛选器
       ============================================================ */
    .filter-row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: var(--space-3);
      margin-bottom: var(--space-4);
    }

    /* ============================================================
       Empty State | 空状态
       ============================================================ */
    .empty-tip {
      color: var(--color-muted-light);
      font-size: var(--font-size-sm);
      text-align: center;
      padding: var(--space-3);
    }

    /* ============================================================
       Meal Grid | 用斋网格
       ============================================================ */
    .meal-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-2);
      margin: var(--space-2) 0;
    }

    .meal-modal .meal-defaults-section {
      margin-bottom: var(--space-3);
    }

    .meal-section-label {
      display: block;
      font-size: var(--font-size-sm);
      color: var(--color-text-muted);
      margin-bottom: var(--space-2);
    }

    .meal-modal-hint {
      font-size: var(--font-size-sm);
      color: var(--color-text-muted);
      margin: 0 0 var(--space-3);
    }

    .meal-toolbar {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-2);
      margin-bottom: var(--space-3);
    }

    .meal-grid-scroll {
      max-height: min(420px, 50vh);
      overflow: auto;
      border: 1px solid var(--color-border-strong);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
    }

    .meal-schedule-table {
      width: 100%;
      border-collapse: collapse;
      font-size: var(--font-size-sm);
    }

    .meal-schedule-table th,
    .meal-schedule-table td {
      padding: var(--space-2) var(--space-3);
      text-align: center;
      border-bottom: 1px solid var(--color-border);
    }

    .meal-schedule-table th {
      position: sticky;
      top: 0;
      background: var(--color-surface);
      z-index: 1;
      font-weight: 600;
    }

    .meal-day-today {
      background: color-mix(in srgb, var(--color-primary) 8%, transparent);
    }

    .meal-date-cell {
      white-space: nowrap;
      font-variant-numeric: tabular-nums;
    }

    .meal-today-tag {
      display: inline-block;
      padding: 0 var(--space-1);
      border-radius: var(--radius-xs);
      background: var(--color-primary);
      color: var(--color-primary-foreground);
      font-size: var(--font-size-xs);
    }

    .meal-skip-label {
      display: inline-flex;
      align-items: center;
      gap: var(--space-1);
      cursor: pointer;
      padding: var(--space-1) var(--space-2);
      border-radius: var(--radius-xs);
      background: color-mix(in srgb, var(--color-success) 12%, transparent);
    }

    .meal-skip-label.is-skipped {
      background: color-mix(in srgb, var(--color-warning) 18%, transparent);
      color: var(--color-warning);
    }

    .meal-na {
      color: var(--color-muted-light);
    }

    .meal-today-cell {
      cursor: pointer;
      white-space: nowrap;
    }

    .meal-today-cell:hover {
      color: var(--color-primary);
      text-decoration: underline;
    }

    .meal-skip-hint {
      color: var(--color-warning);
      font-size: var(--font-size-xs);
    }

    .meal-day {
      background: var(--color-meal-day-bg);
      border-radius: var(--radius-sm);
      padding: var(--space-2);
      text-align: center;
    }

    .meal-day .date {
      font-size: var(--font-size-xs);
      color: var(--color-muted);
      margin-bottom: var(--space-1);
    }

    .meal-check {
      display: flex;
      justify-content: center;
      gap: var(--space-2);
      font-size: var(--font-size-xs);
    }

    .meal-check label {
      display: flex;
      align-items: center;
      gap: var(--space-1);
      cursor: pointer;
    }

    /* ============================================================
       Backup Reminder | 备份提醒
       ============================================================ */
    .backup-reminder {
      background: var(--color-backup-reminder-bg);
      color: var(--color-backup-reminder-text);
      padding: var(--space-4);
      border-radius: var(--radius-md);
      margin-bottom: var(--space-6);
      font-size: var(--font-size-base);
      border: 1px solid var(--color-border-strong);
      border-left: 3px solid var(--color-warning);
    }

    /* ============================================================
       Utility Classes | 工具类
       ============================================================ */
    .btn-bar {
      display: flex;
      gap: var(--space-2);
      margin-bottom: var(--space-4);
      flex-wrap: wrap;
      align-items: center;
    }

    .meal-defaults {
      display: flex;
      gap: var(--space-4);
      padding: var(--space-2) 0;
    }

    .meal-need-presets {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: var(--space-2);
      margin-top: var(--space-2);
    }

    .meal-need-presets-label {
      color: var(--color-text-muted);
      font-size: var(--text-sm);
    }

    .meal-need-presets .btn-sm {
      min-width: 3.5rem;
    }

    .meal-need-picker {
      position: relative;
      width: 100%;
    }

    .meal-need-picker-trigger {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-2);
      width: 100%;
      padding: var(--space-2) var(--space-3);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-card);
      color: var(--color-foreground);
      font-size: var(--font-size-base);
      font-family: inherit;
      cursor: pointer;
      min-height: 2.25rem;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .meal-need-picker-trigger:hover {
      border-color: var(--color-border-strong);
    }

    .meal-need-picker.open .meal-need-picker-trigger {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 20%, transparent);
    }

    .meal-need-picker-trigger.invalid {
      border-color: var(--color-danger);
      box-shadow: 0 0 0 3px var(--color-danger-muted);
    }

    .meal-need-picker-text {
      flex: 1;
      text-align: left;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .meal-need-picker-trigger-empty .meal-need-picker-text {
      color: var(--color-muted);
    }

    .meal-need-picker-chevron {
      flex-shrink: 0;
      transition: transform var(--transition-fast);
    }

    .meal-need-picker.open .meal-need-picker-chevron {
      transform: rotate(180deg);
    }

    .meal-need-picker-panel {
      display: none;
      flex-direction: column;
      gap: var(--space-1);
      padding: var(--space-2);
      border: 1px solid var(--color-border-strong);
      border-radius: var(--radius-sm);
      background: var(--color-card);
      box-shadow: var(--shadow-md);
      z-index: var(--z-dropdown);
    }

    .meal-need-picker.open .meal-need-picker-panel {
      display: flex;
    }

    .meal-need-picker-panel-fixed {
      position: fixed;
      display: flex;
    }

    .meal-need-picker-option {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      padding: var(--space-2) var(--space-3);
      border-radius: var(--radius-xs);
      cursor: pointer;
      font-size: var(--font-size-base);
    }

    .meal-need-picker-option:hover {
      background: color-mix(in srgb, var(--color-primary) 8%, transparent);
    }

    .meal-need-picker-option input[type="checkbox"] {
      width: 1rem;
      height: 1rem;
      cursor: pointer;
    }

    .card-info {
      background: var(--color-surface);
      border: 1px solid var(--color-border-strong);
    }

    .card-info h3:first-child { margin-top: 0; }

    /* ============================================================
       Responsive | 响应式
       ============================================================ */
    /* --breakpoint-md: 768px (平板竖屏及以下 | tablet and below) */
    @media (max-width: 768px) {
      .sidebar {
        position: relative;
        width: 100%;
        flex-direction: column;
        padding: var(--space-3);
      }

      .app-shell { margin-left: 0; }

      .sidebar-brand {
        border-right: none;
        padding: 0 0 var(--space-3);
      }

      .sidebar-brand-text h1 { font-size: var(--font-size-base); }

      .sidebar-cta { margin-bottom: var(--space-3); }

      .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
      }

      .sidebar-nav-btn {
        width: auto;
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-sm);
        border-right: none;
        border-bottom: 2px solid transparent;
      }

      .sidebar-nav-btn.active {
        border-right: none;
        border-bottom-color: var(--color-primary);
      }

      .sidebar-footer {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        border-left: none;
        padding: var(--space-3) 0 0;
      }

      .sidebar-zen { display: none; }

      .topbar {
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-3);
        gap: var(--space-3);
      }

      .topbar-left {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
      }

      .topbar-profile {
        padding-left: 0;
        border-left: none;
        justify-content: flex-end;
      }

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

    /* --breakpoint-sm: 600px (手机横屏 | landscape phone) */
    @media (max-width: 600px) {
      .form-grid { grid-template-columns: 1fr; }

      #hk-grid.room-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }

      .stats { grid-template-columns: repeat(2, 1fr); }

      .reminders { grid-template-columns: 1fr; }

      .meal-grid { grid-template-columns: repeat(2, 1fr); }
    }

    /* ============================================================
       Print Voucher | 打印凭证
       ============================================================ */
    .voucher {
      background: #fff;
      color: #000;
      padding: var(--space-6);
      border: 2px solid #000;
      max-width: 400px;
      margin: 0 auto;
      font-family: var(--font-sans);
    }

    .voucher h2 {
      text-align: center;
      margin: 0 0 var(--space-4) 0;
      font-size: 1.5rem;
      border-bottom: 2px solid #000;
      padding-bottom: var(--space-3);
    }

    .voucher .row {
      display: flex;
      justify-content: space-between;
      padding: var(--space-2) 0;
      border-bottom: 1px dashed #999;
      font-size: var(--font-size-base);
    }

    .voucher .row .label { color: #555; }
    .voucher .row .value { font-weight: var(--font-weight-bold); }

    .voucher .footer {
      margin-top: var(--space-6);
      text-align: center;
      font-size: var(--font-size-sm);
      color: #555;
    }

    @media print {
      body * { visibility: hidden; }
      .modal-backdrop, .modal, .voucher, .voucher * { visibility: visible; }
      .modal-backdrop { background: #fff; position: absolute; top: 0; left: 0; right: 0; bottom: 0; display: block !important; }
      .modal { box-shadow: none; border: none; width: 100%; max-width: none; position: absolute; top: 0; left: 0; margin: 0; }
      .voucher { border: 2px solid #000; margin: 20mm auto; }
    }

    /* --breakpoint-xs: 400px (小型手机 | small phone) */
    @media (max-width: 400px) {
      .stats { grid-template-columns: 1fr 1fr; }

      #hk-grid.room-grid { grid-template-columns: 1fr; }

      .room-section .room-grid { grid-template-columns: repeat(2, 1fr); }

      .sidebar-nav-btn,
      .sidebar-footer-btn {
        font-size: var(--font-size-xs);
        padding: var(--space-1) var(--space-2);
      }
    }


/* ============================================================
   营期管理 | Event / Program Management
   ============================================================ */
.event-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.event-card {
  background: var(--color-card);
  border: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.event-card:hover {
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
  box-shadow: var(--shadow-lg);
}

.event-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.event-card-name {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-foreground);
  margin-right: auto;
}

.event-tag {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  line-height: 18px;
  white-space: nowrap;
}

.event-tag-type {
  background: var(--color-primary-muted);
  color: var(--color-primary);
}

.event-tag-gender-male {
  background: #e3f2fd;
  color: #1565c0;
}

.event-tag-gender-female {
  background: #fce4ec;
  color: #c2185b;
}

.event-tag-gender-mix {
  background: #f3f3f0;
  color: #6b6b6b;
}

.event-tag-status-筹备中 {
  background: #fff3e0;
  color: #e65100;
}

.event-tag-status-招生中 {
  background: #e8f5e9;
  color: #2e7d32;
}

.event-tag-status-进行中 {
  background: #e3f2fd;
  color: #1565c0;
}

.event-tag-status-已结束 {
  background: #f3f3f0;
  color: #6b6b6b;
}

.event-tag-status-已取消 {
  background: #ffebee;
  color: #c62828;
}

.event-card-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.event-card-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.event-stat {
  text-align: center;
  padding: var(--space-2);
  background: var(--color-background);
  border-radius: var(--radius-sm);
}

.event-stat-num {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-foreground);
}

.event-stat-label {
  font-size: 10px;
  color: var(--color-muted);
  margin-top: 2px;
}

.event-progress {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.event-progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width .25s ease;
}

.event-card-actions {
  display: flex;
  gap: var(--space-2);
}

.event-card-actions .btn {
  flex: 1;
}


/* ============================================================
   流动预测 | Forecast & Scheduling
   ============================================================ */
.forecast-tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.forecast-tab-btn {
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.forecast-tab-btn:hover {
  color: var(--color-foreground);
}

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

.forecast-tab-panel {
  display: none;
}

.forecast-tab-panel.active {
  display: block;
}

.forecast-controls {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.forecast-controls .field {
  margin-bottom: 0;
  min-width: 160px;
}

.forecast-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.forecast-stat {
  text-align: center;
  padding: var(--space-3);
  background: var(--color-background);
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
}

.forecast-stat-num {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-foreground);
}

.forecast-stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  margin-top: var(--space-1);
}

.forecast-room-changes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.forecast-room-change-col {
  background: var(--color-background);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  border: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
}

.forecast-room-change-col h4 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.forecast-room-change-col ul {
  margin: 0;
  padding-left: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-foreground);
}

.forecast-room-change-col li {
  margin-bottom: var(--space-1);
}

.forecast-week-table th,
.forecast-week-table td {
  text-align: center;
}

.forecast-week-table td:first-child {
  text-align: left;
  white-space: nowrap;
}

.forecast-warning {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-danger-muted);
  color: var(--color-danger);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
}

.forecast-ok {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-success-muted);
  color: var(--color-success);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
}

.forecast-mini-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: var(--space-1);
}

.forecast-mini-bar > div {
  height: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width .25s ease;
}

.forecast-progress {
  display: inline-block;
  width: 80px;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  vertical-align: middle;
  margin-right: var(--space-2);
}

.forecast-progress > div {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width .25s ease;
}

.forecast-legend {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}


/* ============================================================
   优化阶段样式 | Optimization Phase Styles
   ============================================================ */
.forecast-suggestion {
  font-size: 10px;
  color: var(--color-muted);
  margin-top: var(--space-1);
  line-height: 1.4;
}

.event-card-alert {
  font-size: var(--font-size-xs);
  color: var(--color-warning);
  background: var(--color-warning-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  text-align: center;
}

.event-card-alert-urgent {
  color: var(--color-danger);
  background: var(--color-danger-muted);
  font-weight: var(--font-weight-semibold);
}

.event-card-alert-ok {
  color: var(--color-success);
  background: var(--color-success-muted);
}


/* ============================================================
   数据可视化图表 | Chart.js Containers
   ============================================================ */
.forecast-charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.forecast-chart-box {
  background: var(--color-card);
  border: 1px solid color-mix(in srgb, var(--color-border) 55%, transparent);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  height: 260px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.forecast-chart-box--ring {
  height: auto;
  min-height: 220px;
}

.forecast-chart-box--ring .forecast-chart-body--ring {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.forecast-chart-box canvas {
  flex: 1;
  min-height: 0;
}

.forecast-chart-box--ring canvas {
  flex: none;
}

.forecast-chart-box.wide {
  grid-column: 1 / -1;
  height: 320px;
}

.forecast-chart-box h4 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  font-weight: var(--font-weight-semibold);
}

.event-chart-box {
  background: var(--color-background);
  border: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  height: 320px;
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
}

.event-chart-box h4 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  font-weight: var(--font-weight-semibold);
}

.event-chart-box canvas {
  flex: 1;
  min-height: 0;
}


/* ============================================================
   排房建议弹窗 | Rooming Suggestion Modal
   ============================================================ */
.modal-wide {
  max-width: 720px;
  width: 90vw;
}

.rooming-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: var(--color-background);
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
}

.rooming-summary-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.rooming-summary-label {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
}

.rooming-summary-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-foreground);
}

.rooming-gap {
  color: var(--color-danger);
}

.rooming-section-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-muted);
  margin: var(--space-4) 0 var(--space-2) 0;
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-border);
}

.rooming-flex-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-2);
}

.rooming-flex-item {
  background: var(--color-background);
  border: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.rooming-gap-row {
  background: var(--color-danger-muted);
  color: var(--color-danger);
  font-weight: var(--font-weight-semibold);
}


/* ============================================================
   登录覆盖层 | Login Overlay
   ============================================================ */
.login-overlay {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--color-background) 95%, transparent);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.login-overlay.active {
  display: flex;
}

.login-card {
  background: var(--color-card);
  border: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow-xl);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.login-brand h1 {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  margin: 0;
}

.login-brand p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

.login-error {
  color: var(--color-danger);
  font-size: var(--font-size-xs);
  min-height: 20px;
  margin-bottom: var(--space-2);
}

.login-hint {
  font-size: 11px;
  color: var(--color-muted);
  text-align: center;
  margin-top: var(--space-3);
  margin-bottom: 0;
}

.btn-block {
  width: 100%;
}