/* ============================================================
   奶茶小吃店管理后台 · 全局样式（零依赖手写）
   主色 #FF6B35 / 浅色主题 / 响应式 PC + 平板
   ============================================================ */

:root {
  --primary: #FF6B35;
  --primary-dark: #E5541F;
  --primary-light: #FFF1EA;
  --success: #52C41A;
  --warning: #FAAD14;
  --danger: #FF4D4F;
  --info: #1890FF;
  --purple: #722ED1;
  --text-1: #262626;
  --text-2: #595959;
  --text-3: #8C8C8C;
  --border: #E8E8E8;
  --bg-page: #F5F6FA;
  --bg-card: #FFFFFF;
  --sidebar-w: 216px;
  --topbar-h: 56px;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.12);
  --kds-bg: #14181F;
  --kds-card: #1F2630;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px; color: var(--text-1); background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--info); text-decoration: none; }
button { font-family: inherit; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #D9D9D9; border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* ============ 登录页 ============ */
.login-screen {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #FF6B35 0%, #FF8F5C 45%, #FFC3A0 100%);
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 380px; background: #fff; border-radius: 16px;
  padding: 40px 36px 32px; box-shadow: 0 16px 48px rgba(0,0,0,.18);
}
.login-logo { font-size: 52px; text-align: center; }
.login-title { font-size: 20px; text-align: center; margin-top: 8px; color: var(--text-1); }
.login-sub { text-align: center; color: var(--text-3); font-size: 12px; margin: 6px 0 24px; }
.login-error {
  background: #FFF2F0; border: 1px solid #FFCCC7; color: var(--danger);
  border-radius: 6px; padding: 8px 12px; font-size: 13px; margin-bottom: 12px;
}
.login-tip { text-align: center; color: var(--text-3); font-size: 12px; margin-top: 16px; }

/* ============ 布局 ============ */
.app-shell { display: flex; height: 100vh; overflow: hidden; }
.sidebar {
  width: var(--sidebar-w); background: #20232E; color: #C9CDD8;
  display: flex; flex-direction: column; flex-shrink: 0; z-index: 50;
  transition: transform .25s ease;
}
.sidebar-logo {
  height: var(--topbar-h); display: flex; align-items: center; gap: 8px;
  padding: 0 16px; color: #fff; font-size: 16px; font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,.08); flex-shrink: 0;
}
.logo-icon { font-size: 22px; }
.menu { flex: 1; overflow-y: auto; padding: 8px 0 20px; }
.menu::-webkit-scrollbar-thumb { background: #3A3F4F; }
.menu-group-title {
  padding: 14px 16px 6px; font-size: 12px; color: #6B7186; letter-spacing: 1px;
}
.menu-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 16px;
  color: #C9CDD8; cursor: pointer; font-size: 14px; border-left: 3px solid transparent;
  transition: background .15s, color .15s; user-select: none;
}
.menu-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.menu-item.active {
  background: rgba(255,107,53,.15); color: var(--primary);
  border-left-color: var(--primary); font-weight: 500;
}
.menu-item .mi { width: 18px; text-align: center; flex-shrink: 0; }
.sidebar-footer {
  padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 8px; font-size: 12px; color: #8B91A5;
  flex-shrink: 0;
}
.ws-dot { width: 8px; height: 8px; border-radius: 50%; background: #666; display: inline-block; }
.ws-dot.on { background: var(--success); box-shadow: 0 0 6px var(--success); }
.ws-dot.off { background: var(--danger); }
.sidebar-mask { display: none; }

.main-wrap { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: var(--topbar-h); background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 20px; gap: 12px; flex-shrink: 0;
}
.page-title { font-size: 17px; font-weight: 600; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.topbar-store { color: var(--text-3); font-size: 13px; }
.icon-btn {
  border: none; background: none; font-size: 20px; cursor: pointer; color: var(--text-2);
  padding: 4px 8px; border-radius: 6px;
}
.icon-btn:hover { background: #F0F0F0; }
.menu-toggle { display: none; }

.admin-dropdown { position: relative; }
.admin-btn {
  display: flex; align-items: center; gap: 8px; border: none; background: none;
  cursor: pointer; padding: 6px 8px; border-radius: 8px; font-size: 14px; color: var(--text-1);
}
.admin-btn:hover { background: #F5F5F5; }
.admin-avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--primary);
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600;
}
.caret { font-size: 10px; color: var(--text-3); }
.dropdown-menu {
  position: absolute; right: 0; top: calc(100% + 6px); background: #fff;
  border-radius: 8px; box-shadow: var(--shadow-lg); min-width: 150px; z-index: 60;
  overflow: hidden; border: 1px solid var(--border);
}
.dropdown-menu a { display: block; padding: 10px 16px; color: var(--text-1); font-size: 13px; }
.dropdown-menu a:hover { background: #F5F5F5; }
.dropdown-menu a.danger { color: var(--danger); }

.view { flex: 1; overflow-y: auto; padding: 20px; }
.fullscreen-view { position: fixed; inset: 0; z-index: 90; background: var(--bg-page); overflow: hidden; }

/* ============ 通用组件 ============ */
.card { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 20px; margin-bottom: 16px; }
.card-title { font-size: 15px; font-weight: 600; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.card-title .extra { margin-left: auto; font-weight: normal; font-size: 13px; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap8 { gap: 8px; } .gap12 { gap: 12px; } .gap16 { gap: 16px; }
.mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; } .mb8 { margin-bottom: 8px; } .mb16 { margin-bottom: 16px; }
.text-right { text-align: right; }
.text-muted { color: var(--text-3); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.font-bold { font-weight: 600; }
.nowrap { white-space: nowrap; }

/* 统计卡片 */
.stat-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px 20px; position: relative; overflow: hidden;
}
.stat-card .stat-label { color: var(--text-3); font-size: 13px; }
.stat-card .stat-value { font-size: 26px; font-weight: 700; margin-top: 8px; font-variant-numeric: tabular-nums; }
.stat-card .stat-icon {
  position: absolute; right: 14px; top: 14px; font-size: 26px; opacity: .85;
}
.stat-card.alert { border: 1px solid #FFCCC7; background: #FFF7F6; }
.stat-card.alert .stat-value { color: var(--danger); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--border); background: #fff; color: var(--text-1);
  padding: 7px 16px; border-radius: 6px; font-size: 14px; cursor: pointer;
  transition: all .15s; white-space: nowrap; user-select: none;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn:disabled:hover { border-color: var(--border); color: var(--text-1); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-primary:disabled:hover { background: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #D9363E; border-color: #D9363E; color: #fff; }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { background: #389E0D; border-color: #389E0D; color: #fff; }
.btn-ghost-danger { color: var(--danger); border-color: transparent; }
.btn-ghost-danger:hover { background: #FFF2F0; border-color: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-lg { padding: 11px 24px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-link { border: none; background: none; color: var(--info); cursor: pointer; padding: 2px 6px; font-size: 13px; }
.btn-link:hover { text-decoration: underline; }
.btn-link.danger { color: var(--danger); }
.btn.loading { pointer-events: none; opacity: .7; }

/* 表单 */
.form-item { margin-bottom: 14px; }
.form-label { display: block; margin-bottom: 6px; color: var(--text-2); font-size: 13px; }
.form-label .req { color: var(--danger); margin-left: 2px; }
.input, .select, .textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px;
  font-size: 14px; color: var(--text-1); background: #fff; outline: none;
  transition: border-color .15s, box-shadow .15s; font-family: inherit;
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,107,53,.12);
}
.input::placeholder, .textarea::placeholder { color: #BFBFBF; }
.textarea { resize: vertical; min-height: 72px; }
.select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23999'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 28px; }
.form-error { color: var(--danger); font-size: 12px; margin-top: 4px; }
.form-item.has-error .input, .form-item.has-error .select, .form-item.has-error .textarea { border-color: var(--danger); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.form-hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.checkbox-line, .radio-line { display: inline-flex; align-items: center; gap: 6px; margin-right: 16px; cursor: pointer; padding: 4px 0; }
.checkbox-line input, .radio-line input { accent-color: var(--primary); width: 15px; height: 15px; }

/* 开关 */
.switch { position: relative; width: 40px; height: 22px; display: inline-block; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; inset: 0; background: #CCC; border-radius: 22px; cursor: pointer; transition: .2s;
}
.switch .slider::before {
  content: ''; position: absolute; width: 18px; height: 18px; border-radius: 50%;
  background: #fff; left: 2px; top: 2px; transition: .2s; box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.switch input:checked + .slider { background: var(--primary); }
.switch input:checked + .slider::before { transform: translateX(18px); }
.switch input:disabled + .slider { opacity: .5; cursor: not-allowed; }

/* 表格 */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
.table { width: 100%; border-collapse: collapse; background: #fff; }
.table th {
  text-align: left; padding: 12px 14px; background: #FAFAFA; color: var(--text-2);
  font-weight: 600; font-size: 13px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.table td { padding: 12px 14px; border-bottom: 1px solid #F0F0F0; font-size: 13px; vertical-align: middle; }
.table tbody tr:nth-child(even) { background: #FDFDFD; }
.table tbody tr:hover { background: var(--primary-light); }
.table .thumb { width: 44px; height: 44px; border-radius: 6px; object-fit: cover; display: block; background: #F0F0F0; }
.table .ops { display: flex; flex-wrap: wrap; gap: 2px; align-items: center; }
.table tfoot td { font-weight: 700; background: #FAFAFA; }

/* 打印失败订单红色高亮脉冲动画 */
.order-row.print-failed { background: #FFF2F0 !important; border-left: 4px solid var(--danger); animation: pulse-red 2s infinite; }
@keyframes pulse-red {
  0%, 100% { box-shadow: inset 0 0 0 0 rgba(255,77,79,.25); }
  50% { box-shadow: inset 0 0 0 8px rgba(255,77,79,0); }
}

/* 徽章 */
.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px;
  border-radius: 10px; font-size: 12px; line-height: 18px; white-space: nowrap;
  background: #F0F0F0; color: var(--text-2);
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.no-dot::before { display: none; }
.badge.gray { background: #F0F0F0; color: #8C8C8C; }
.badge.orange { background: #FFF7E6; color: #D48806; }
.badge.blue { background: #E6F4FF; color: #1677FF; }
.badge.purple { background: #F9F0FF; color: #722ED1; }
.badge.green { background: #F6FFED; color: #389E0D; }
.badge.red { background: #FFF2F0; color: #CF1322; }
.badge.cyan { background: #E6FFFB; color: #08979C; }

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  animation: fade-in .15s ease;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: #fff; border-radius: 12px; box-shadow: var(--shadow-lg);
  width: 100%; max-width: 560px; max-height: 90vh; display: flex; flex-direction: column;
  animation: slide-up .18s ease;
}
@keyframes slide-up { from { transform: translateY(16px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal.modal-lg { max-width: 860px; }
.modal.modal-xl { max-width: 1080px; }
.modal-header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; flex-shrink: 0;
}
.modal-header h3 { font-size: 16px; }
.modal-close { border: none; background: none; font-size: 20px; cursor: pointer; color: var(--text-3); padding: 2px 6px; border-radius: 4px; }
.modal-close:hover { color: var(--text-1); background: #F0F0F0; }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-footer {
  padding: 12px 20px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px; flex-shrink: 0;
}

/* 抽屉 */
.drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 200; animation: fade-in .15s; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 720px; max-width: 94vw;
  background: #fff; z-index: 201; box-shadow: -8px 0 24px rgba(0,0,0,.15);
  display: flex; flex-direction: column; animation: slide-left .2s ease;
}
@keyframes slide-left { from { transform: translateX(60px); opacity: 0; } to { transform: none; opacity: 1; } }
.drawer-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-shrink: 0; }
.drawer-header h3 { font-size: 16px; }
.drawer-body { flex: 1; overflow-y: auto; padding: 20px; }

/* Toast */
#toast-root { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 500; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  padding: 9px 20px; border-radius: 8px; background: rgba(0,0,0,.78); color: #fff;
  font-size: 14px; box-shadow: var(--shadow-lg); animation: slide-up .18s ease;
  display: flex; align-items: center; gap: 8px; max-width: 80vw;
}
.toast.success { background: rgba(56,158,13,.92); }
.toast.error { background: rgba(207,19,34,.92); }
.toast.warning { background: rgba(212,136,6,.92); }

/* 分页 */
.pagination { display: flex; align-items: center; gap: 6px; justify-content: flex-end; padding: 14px 0 2px; flex-wrap: wrap; }
.pagination .page-btn {
  min-width: 32px; height: 32px; border: 1px solid var(--border); background: #fff;
  border-radius: 6px; cursor: pointer; font-size: 13px; color: var(--text-2); padding: 0 8px;
}
.pagination .page-btn:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.pagination .page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .page-btn:disabled { opacity: .45; cursor: not-allowed; }
.pagination .page-info { color: var(--text-3); font-size: 13px; margin-right: 8px; }

/* 空态 & 加载 */
.empty { text-align: center; padding: 48px 0; color: var(--text-3); }
.empty .empty-icon { font-size: 42px; display: block; margin-bottom: 8px; opacity: .6; }
.loading-wrap { display: flex; align-items: center; justify-content: center; padding: 48px 0; gap: 10px; color: var(--text-3); }
.spinner {
  width: 22px; height: 22px; border: 3px solid #F0F0F0; border-top-color: var(--primary);
  border-radius: 50%; animation: spin .8s linear infinite;
}
.spinner.sm { width: 14px; height: 14px; border-width: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 筛选栏 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.filter-bar .filter-item { display: flex; flex-direction: column; gap: 4px; }
.filter-bar .filter-item label { font-size: 12px; color: var(--text-3); }
.filter-bar .input, .filter-bar .select { width: 160px; padding: 7px 10px; font-size: 13px; }
.filter-bar .input[type="date"] { width: 150px; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid #F0F0F0; margin-bottom: 16px; overflow-x: auto; }
.tabs .tab {
  padding: 10px 18px; cursor: pointer; color: var(--text-2); border-bottom: 2px solid transparent;
  margin-bottom: -2px; white-space: nowrap; font-size: 14px; user-select: none;
}
.tabs .tab:hover { color: var(--primary); }
.tabs .tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* 描述列表 */
.desc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 24px; }
.desc-grid .desc-item { display: flex; gap: 8px; font-size: 13px; }
.desc-grid .desc-item .k { color: var(--text-3); flex-shrink: 0; min-width: 72px; }
.desc-grid .desc-item .v { color: var(--text-1); word-break: break-all; }

/* 时间轴 */
.timeline { position: relative; padding-left: 20px; }
.timeline::before { content: ''; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 2px; background: #EBEBEB; }
.timeline-item { position: relative; padding: 6px 0 14px; }
.timeline-item::before {
  content: ''; position: absolute; left: -19px; top: 10px; width: 10px; height: 10px;
  border-radius: 50%; background: #D9D9D9; border: 2px solid #fff; box-shadow: 0 0 0 2px #EBEBEB;
}
.timeline-item.done::before { background: var(--success); }
.timeline-item.active::before { background: var(--primary); }
.timeline-item .t-title { font-weight: 600; font-size: 13px; }
.timeline-item .t-time { color: var(--text-3); font-size: 12px; margin-top: 2px; }

/* 图表 */
.chart-tooltip {
  position: fixed; z-index: 600; background: rgba(0,0,0,.82); color: #fff;
  padding: 6px 10px; border-radius: 6px; font-size: 12px; pointer-events: none;
  white-space: nowrap; box-shadow: var(--shadow-lg);
}
.chart-legend { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 10px; font-size: 12px; color: var(--text-2); justify-content: center; }
.chart-legend .lg { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend .lg i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* 图片上传 */
.img-upload-list { display: flex; flex-wrap: wrap; gap: 10px; }
.img-upload-item { position: relative; width: 84px; height: 84px; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.img-upload-item img { width: 100%; height: 100%; object-fit: cover; }
.img-upload-item .del {
  position: absolute; top: 2px; right: 2px; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(0,0,0,.55); color: #fff; border: none; cursor: pointer; font-size: 12px; line-height: 1;
}
.img-upload-add {
  width: 84px; height: 84px; border: 1px dashed #D9D9D9; border-radius: 8px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-3); font-size: 12px; gap: 4px; background: #FAFAFA;
}
.img-upload-add:hover { border-color: var(--primary); color: var(--primary); }
.img-upload-add .plus { font-size: 22px; }

/* 桌台卡片墙 */
.table-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.table-card {
  border-radius: 10px; padding: 16px; color: #fff; cursor: pointer; position: relative;
  box-shadow: var(--shadow); transition: transform .12s;
}
.table-card:hover { transform: translateY(-2px); }
.table-card .t-no { font-size: 22px; font-weight: 700; }
.table-card .t-area { font-size: 12px; opacity: .85; margin-top: 2px; }
.table-card .t-cap { font-size: 12px; opacity: .85; margin-top: 6px; }
.table-card .t-status { position: absolute; top: 10px; right: 10px; font-size: 12px; background: rgba(255,255,255,.25); padding: 2px 8px; border-radius: 10px; }
.table-card.st-1 { background: linear-gradient(135deg, #52C41A, #73D13D); }
.table-card.st-2 { background: linear-gradient(135deg, #FA8C16, #FFA940); }
.table-card.st-3 { background: linear-gradient(135deg, #1890FF, #40A9FF); }
.table-card.st-0 { background: linear-gradient(135deg, #8C8C8C, #BFBFBF); }

/* 二维码打印（A4 每张4个） */
.qr-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.qr-cell { border: 1px dashed #BBB; border-radius: 8px; padding: 18px; text-align: center; break-inside: avoid; }
.qr-cell .qr-img { display: flex; justify-content: center; }
.qr-cell .qr-name { font-size: 18px; font-weight: 700; margin-top: 8px; }
.qr-cell .qr-path { font-size: 11px; color: #888; margin-top: 4px; word-break: break-all; }
@media print {
  body * { visibility: hidden; }
  .print-area, .print-area * { visibility: visible; }
  .print-area { position: absolute; inset: 0; padding: 10mm; background: #fff; }
  .qr-grid { gap: 10mm; }
  .qr-cell { border: 1px dashed #999; }
}
@page { size: A4; margin: 8mm; }

/* 小票打印预览 */
.receipt {
  width: 302px; margin: 0 auto; background: #fff; font-family: "Courier New", monospace;
  font-size: 13px; padding: 14px 10px; color: #000;
}
.receipt .r-center { text-align: center; }
.receipt .r-bold { font-weight: 700; }
.receipt .r-big { font-size: 17px; font-weight: 700; }
.receipt .r-sep { border-top: 1px dashed #000; margin: 6px 0; }
.receipt .r-row { display: flex; justify-content: space-between; }
.receipt pre { font-family: inherit; white-space: pre-wrap; word-break: break-all; margin: 0; }

/* 标签颜色块 */
.tag-chip { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 10px; font-size: 12px; color: #fff; }
.color-dot { width: 18px; height: 18px; border-radius: 50%; display: inline-block; border: 1px solid rgba(0,0,0,.1); }
input[type="color"].input { padding: 2px; height: 38px; cursor: pointer; }

/* 权限矩阵 */
.perm-group { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 12px; overflow: hidden; }
.perm-group-header {
  background: #FAFAFA; padding: 10px 14px; font-weight: 600; display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--border);
}
.perm-group-body { padding: 10px 14px; display: flex; flex-wrap: wrap; gap: 4px 20px; }

/* 日志 diff */
.diff-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.diff-panel { background: #F7F8FA; border-radius: 6px; padding: 10px; max-height: 320px; overflow: auto; }
.diff-panel h5 { font-size: 12px; color: var(--text-3); margin-bottom: 6px; }
.diff-panel pre { font-size: 12px; white-space: pre-wrap; word-break: break-all; margin: 0; font-family: "Courier New", monospace; }
.diff-changed { background: #FFF2E8; color: #D4380D; border-radius: 3px; padding: 0 2px; }

/* ============ KDS 后厨屏 ============ */
.kds-root { position: absolute; inset: 0; background: var(--kds-bg); color: #E8EAEF; display: flex; flex-direction: column; overflow: hidden; }
.kds-header { display: flex; align-items: center; gap: 16px; padding: 12px 20px; background: #0D1015; flex-shrink: 0; flex-wrap: wrap; }
.kds-header h1 { font-size: 20px; color: #fff; }
.kds-tabs { display: flex; gap: 8px; }
.kds-tab {
  padding: 9px 22px; border-radius: 8px; background: #232A36; color: #AAB2C0;
  cursor: pointer; font-size: 15px; border: none; transition: all .15s;
}
.kds-tab.active { background: var(--primary); color: #fff; font-weight: 600; }
.kds-tab .cnt { background: rgba(255,255,255,.2); border-radius: 10px; padding: 0 8px; margin-left: 6px; font-size: 13px; }
.kds-header .spacer { flex: 1; }
.kds-clock { font-size: 18px; font-variant-numeric: tabular-nums; color: #C9CDD8; }
.kds-ws { font-size: 12px; padding: 3px 10px; border-radius: 10px; background: #333; }
.kds-ws.on { background: rgba(82,196,26,.2); color: #73D13D; }
.kds-ws.off { background: rgba(255,77,79,.2); color: #FF7875; }
.kds-exit { background: #232A36; color: #C9CDD8; border: none; padding: 9px 16px; border-radius: 8px; cursor: pointer; font-size: 14px; }
.kds-exit:hover { background: #333C4B; }
.kds-body { flex: 1; overflow-y: auto; padding: 16px 20px; }
.kds-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 14px; }
.kds-card { background: var(--kds-card); border-radius: 12px; padding: 14px 16px; border: 1px solid #2C3542; }
.kds-card.urgent { border-color: var(--danger); animation: kds-blink 1s infinite; }
@keyframes kds-blink { 0%,100% { box-shadow: 0 0 0 0 rgba(255,77,79,.5); } 50% { box-shadow: 0 0 0 6px rgba(255,77,79,0); } }
.kds-card-head { display: flex; justify-content: space-between; align-items: baseline; }
.kds-no { font-size: 22px; font-weight: 700; color: #FFD666; }
.kds-wait { font-size: 14px; color: #8F97A5; font-variant-numeric: tabular-nums; }
.kds-wait.urgent { color: #FF7875; font-weight: 700; }
.kds-items { margin: 10px 0; border-top: 1px solid #2C3542; padding-top: 8px; }
.kds-item { padding: 5px 0; }
.kds-item .name { font-size: 15px; color: #F0F2F5; }
.kds-item .qty { color: #FFD666; font-weight: 700; margin-left: 6px; }
.kds-item .opts { font-size: 12px; color: #8F97A5; margin-top: 1px; }
.kds-remark { font-size: 12px; color: #FF9C6E; background: rgba(255,107,53,.12); border-radius: 6px; padding: 4px 8px; margin-bottom: 8px; }
.kds-done-btn { width: 100%; padding: 10px; border: none; border-radius: 8px; background: var(--success); color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; }
.kds-done-btn:hover { background: #389E0D; }
.kds-done-btn:disabled { opacity: .5; }
.kds-empty { text-align: center; color: #5A6270; padding: 80px 0; font-size: 16px; }

/* ============ 收银台 ============ */
.cashier-root { position: absolute; inset: 0; display: flex; flex-direction: column; background: #F0F2F5; overflow: hidden; }
.cashier-header { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: #fff; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.cashier-header h1 { font-size: 18px; }
.cashier-main { flex: 1; display: flex; min-height: 0; }
.cashier-left { flex: 1; display: flex; flex-direction: column; min-width: 0; padding: 12px; overflow: hidden; }
.cashier-cats { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 10px; flex-shrink: 0; }
.cashier-cat {
  padding: 9px 20px; border-radius: 20px; background: #fff; border: 1px solid var(--border);
  cursor: pointer; white-space: nowrap; font-size: 14px; color: var(--text-2);
}
.cashier-cat.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.cashier-search { padding: 0 2px 10px; flex-shrink: 0; }
.cashier-search-wrap {
  display: flex; align-items: center; background: #fff; border-radius: 20px;
  border: 1px solid var(--border); padding: 0 12px;
}
.cashier-search-icon { font-size: 16px; color: var(--text-3); }
.cashier-search-input {
  flex: 1; border: none; outline: none; padding: 8px 10px; font-size: 14px;
  background: transparent; color: var(--text-1);
}
.cashier-search-input::placeholder { color: var(--text-3); }
.cashier-search-clear {
  border: none; background: none; cursor: pointer; color: var(--text-3);
  font-size: 16px; padding: 4px; line-height: 1;
}
.cashier-search-clear:hover { color: var(--text-1); }
.cashier-products { flex: 1; overflow-y: auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; align-content: start; padding: 2px; }
.cashier-p {
  background: #fff; border-radius: 10px; padding: 10px; cursor: pointer; text-align: center;
  border: 2px solid transparent; transition: border-color .12s; position: relative;
}
.cashier-p:hover { border-color: var(--primary); }
.cashier-p.soldout { opacity: .5; }
.cashier-p img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; background: #F0F0F0; }
.cashier-p .p-name { font-size: 13px; margin-top: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cashier-p .p-price { color: var(--primary); font-weight: 700; margin-top: 2px; }
.cashier-p .p-tag { position: absolute; top: 6px; left: 6px; background: rgba(0,0,0,.55); color: #fff; font-size: 11px; padding: 1px 7px; border-radius: 8px; }
.cashier-right {
  width: 380px; background: #fff; border-left: 1px solid var(--border);
  display: flex; flex-direction: column; flex-shrink: 0;
}
.cashier-cart-head { padding: 12px 16px; border-bottom: 1px solid var(--border); display: flex; gap: 8px; align-items: center; }
.cashier-cart-body { flex: 1; overflow-y: auto; padding: 8px 16px; }
.cart-item { display: flex; align-items: center; gap: 8px; padding: 10px 0; border-bottom: 1px solid #F5F5F5; }
.cart-item .ci-info { flex: 1; min-width: 0; }
.cart-item .ci-name { font-size: 14px; }
.cart-item .ci-opts { font-size: 12px; color: var(--text-3); }
.cart-item .ci-price { color: var(--primary); font-weight: 600; white-space: nowrap; }
.qty-ctrl { display: flex; align-items: center; gap: 8px; }
.qty-ctrl button {
  width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--border);
  background: #fff; cursor: pointer; font-size: 15px; line-height: 1; color: var(--text-2);
}
.qty-ctrl button:hover { border-color: var(--primary); color: var(--primary); }
.qty-ctrl .q { min-width: 20px; text-align: center; font-weight: 600; }
.cashier-cart-foot { border-top: 1px solid var(--border); padding: 12px 16px; flex-shrink: 0; }
.cart-summary-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-2); padding: 2px 0; }
.cart-total-row { display: flex; justify-content: space-between; align-items: baseline; margin: 8px 0 12px; }
.cart-total-row .t-label { font-size: 14px; }
.cart-total-row .t-value { font-size: 26px; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; }
.cashier-actions { display: grid; grid-template-columns: 1fr 1fr 1fr 2fr; gap: 8px; }
.pay-method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.pay-method {
  border: 2px solid var(--border); border-radius: 10px; padding: 14px 8px; text-align: center;
  cursor: pointer; font-size: 15px; background: #fff;
}
.pay-method.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); font-weight: 600; }
.pay-method .pm-icon { font-size: 24px; display: block; margin-bottom: 4px; }
.change-panel { background: #F6FFED; border: 1px solid #B7EB8F; border-radius: 8px; padding: 12px; margin-top: 10px; }
.change-panel .c-row { display: flex; justify-content: space-between; font-size: 15px; padding: 3px 0; }
.change-panel .c-row.big { font-size: 20px; font-weight: 700; color: var(--success); }
.numpad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.numpad button { padding: 14px 0; font-size: 18px; border: 1px solid var(--border); background: #FAFAFA; border-radius: 8px; cursor: pointer; }
.numpad button:hover { background: #F0F0F0; }
.hold-list-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid #F0F0F0; }

/* 会员小卡 */
.member-mini { background: linear-gradient(135deg, #FFB37C, #FF6B35); border-radius: 10px; color: #fff; padding: 14px 16px; }
.member-mini .mm-name { font-size: 16px; font-weight: 700; }
.member-mini .mm-row { display: flex; justify-content: space-between; font-size: 13px; margin-top: 6px; opacity: .95; }

/* 实时订单流 */
.live-order-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid #F5F5F5; animation: slide-up .25s; }
.live-order-item .lo-no { font-weight: 600; font-size: 13px; }
.live-order-item .lo-amount { color: var(--primary); font-weight: 700; }
.live-order-item .lo-time { color: var(--text-3); font-size: 12px; }

/* ============ 响应式 ============ */
@media (max-width: 1200px) {
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .sidebar-mask.show { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 49; }
  .menu-toggle { display: block; }
  .view { padding: 12px; }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .diff-wrap { grid-template-columns: 1fr; }
  .cashier-right { width: 330px; }
  .drawer { width: 100vw; max-width: 100vw; }
  .filter-bar .input, .filter-bar .select { width: 140px; }
}
@media (max-width: 640px) {
  .cashier-main { flex-direction: column; }
  .cashier-right { width: 100%; border-left: none; border-top: 1px solid var(--border); max-height: 55%; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .topbar-store { display: none; }
}