/* 优食序 · 后台站点样式（零构建，无第三方 UI 库，无网络字体）
   参考 design-system/ushixu/pages/dashboard.md：高密度、12 栏、表格行高 40px、状态色带文字。 */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; color: var(--color-foreground); }
h1 { font-size: 22px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }
p { margin: 0 0 var(--space-sm); }
a { color: var(--color-primary); }

.num, .money, .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.money { text-align: right; white-space: nowrap; }

.muted { color: var(--color-muted-foreground); }
.tiny { font-size: 12px; }
.hidden { display: none !important; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- 布局外壳 ---------- */
#app { min-height: 100vh; }

.shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }

.sidebar {
  background: var(--color-card);
  border-right: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-sm);
  display: flex; flex-direction: column; gap: var(--space-sm);
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand { display: flex; align-items: baseline; gap: var(--space-sm); padding: 0 var(--space-sm) var(--space-md); }
.brand-mark {
  width: 30px; height: 30px; border-radius: var(--radius-sm);
  background: var(--color-primary); color: var(--color-on-primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px; flex: 0 0 auto;
}
.brand-name { font-family: var(--font-latin-display); font-weight: 700; font-size: 17px; letter-spacing: .3px; }
.brand-sub { font-size: 12px; color: var(--color-muted-foreground); }

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex; align-items: center; gap: var(--space-sm);
  padding: 9px var(--space-sm); border-radius: var(--radius-sm);
  color: var(--color-foreground); text-decoration: none; font-weight: 500;
  cursor: pointer; transition: background 200ms ease, color 200ms ease;
  border: 1px solid transparent;
}
.nav-item:hover { background: var(--color-muted); }
.nav-item.is-active {
  background: var(--color-primary); color: var(--color-on-primary); border-color: var(--color-primary);
}
.nav-item .ico { flex: 0 0 auto; display: inline-flex; }

.sidebar-foot { margin-top: auto; padding-top: var(--space-md); border-top: 1px solid var(--color-border); }
.who { display: flex; align-items: center; gap: var(--space-sm); padding: 0 var(--space-sm) var(--space-sm); }
.who-name { font-weight: 600; }
.who-role { font-size: 12px; color: var(--color-muted-foreground); }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: var(--topbar-h); display: flex; align-items: center; gap: var(--space-md);
  padding: 0 var(--space-lg); background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: var(--z-sticky);
}
.topbar h1 { font-size: 18px; }
.topbar .spacer { flex: 1; }
.hamburger { display: none; }

.content { padding: var(--space-lg); max-width: 1400px; width: 100%; }
.grid { display: grid; gap: var(--space-md); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.row { display: flex; gap: var(--space-sm); align-items: center; flex-wrap: wrap; }
.row.tight { gap: var(--space-xs); }
.stack { display: flex; flex-direction: column; gap: var(--space-md); }
.stack.sm { gap: var(--space-sm); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-md);
  box-shadow: var(--shadow-sm);
}
.card.pad-lg { padding: var(--space-lg); }
.card-head {
  display: flex; align-items: center; gap: var(--space-sm);
  margin-bottom: var(--space-md); padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}
.card-head h2 { flex: 1; }
.card.section { margin-bottom: var(--space-md); }

.metric {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-md);
  box-shadow: var(--shadow-sm); transition: box-shadow 200ms ease, transform 200ms ease;
}
.metric:hover { box-shadow: var(--shadow-md); }
.metric-label { font-size: 13px; color: var(--color-muted-foreground); }
.metric-value {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 26px; font-weight: 600; line-height: 1.3;
}
.metric-foot { font-size: 12px; color: var(--color-muted-foreground); }
.metric.is-primary .metric-value { color: var(--color-primary); }
.metric.is-success .metric-value { color: var(--color-success); }
.metric.is-warn .metric-value { color: var(--color-warn); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font-family: inherit; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease, opacity 200ms ease;
}
.btn:disabled { cursor: not-allowed; opacity: .55; }
.btn-primary { background: var(--color-accent); color: var(--color-on-accent); }
.btn-primary:hover:not(:disabled) { opacity: .9; }
.btn-brand { background: var(--color-primary); color: var(--color-on-primary); }
.btn-brand:hover:not(:disabled) { opacity: .9; }
.btn-secondary { background: transparent; color: var(--color-foreground); border-color: var(--color-primary); }
.btn-secondary:hover:not(:disabled) { background: var(--color-background); }
.btn-ghost { background: transparent; color: var(--color-muted-foreground); border-color: var(--color-border); }
.btn-ghost:hover:not(:disabled) { background: var(--color-muted); color: var(--color-foreground); }
.btn-danger { background: var(--color-destructive); color: var(--color-on-destructive); }
.btn-danger:hover:not(:disabled) { opacity: .9; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }

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

/* ---------- 表单 ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-md); }
.field > label { font-size: 13px; font-weight: 600; }
.input, .select, .textarea {
  width: 100%; padding: 9px 12px; font-family: inherit; font-size: 14px;
  color: var(--color-foreground); background: var(--color-card);
  border: 1px solid #E2E8F0; border-radius: var(--radius-sm);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px rgba(220, 38, 38, .14);
}
.input.num, .input.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.input[readonly], .input:disabled { background: var(--color-muted); color: var(--color-muted-foreground); }
.field-hint { font-size: 12px; color: var(--color-muted-foreground); }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--color-primary); cursor: pointer; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-card); }
table.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table thead th {
  text-align: left; font-weight: 600; font-size: 13px; color: var(--color-muted-foreground);
  padding: 10px var(--space-md); background: var(--color-muted);
  border-bottom: 1px solid var(--color-border); white-space: nowrap; position: sticky; top: 0;
}
.table tbody td { padding: 0 var(--space-md); height: var(--row-h); border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.table tbody tr:nth-child(even) { background: var(--color-muted); }
.table tbody tr:hover { background: var(--color-background); }
.table tbody tr:last-child td { border-bottom: none; }
.table tfoot td { padding: 10px var(--space-md); border-top: 1px solid var(--color-border); font-weight: 600; }
.table td.w-num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- 状态徽标（必须带文字，不许只靠颜色） ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
  border: 1px solid transparent; white-space: nowrap;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: 0 0 auto; }
.badge-ok { color: var(--color-success); background: rgba(21, 128, 61, .10); border-color: rgba(21, 128, 61, .35); }
.badge-warn { color: var(--color-warn); background: rgba(161, 98, 7, .10); border-color: rgba(161, 98, 7, .35); }
.badge-danger { color: var(--color-destructive); background: rgba(220, 38, 38, .08); border-color: rgba(220, 38, 38, .35); }
.badge-mute { color: var(--color-muted-foreground); background: var(--color-muted); border-color: var(--color-border); }
.badge-info { color: var(--color-primary); background: rgba(220, 38, 38, .07); border-color: rgba(220, 38, 38, .3); }

tr.is-delivered { background: rgba(21, 128, 61, .07) !important; }

/* ---------- 提示条 ---------- */
.notice {
  display: flex; align-items: flex-start; gap: var(--space-sm);
  padding: var(--space-md); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-card);
}
.notice .ico { flex: 0 0 auto; margin-top: 2px; }
.notice-info { border-color: rgba(220, 38, 38, .3); background: rgba(220, 38, 38, .05); }
.notice-warn { border-color: rgba(161, 98, 7, .4); background: rgba(161, 98, 7, .07); }
.notice-danger { border-color: rgba(220, 38, 38, .45); background: rgba(220, 38, 38, .08); }
.notice-ok { border-color: rgba(21, 128, 61, .4); background: rgba(21, 128, 61, .07); }
.notice h3 { margin-bottom: 2px; }

.form-error {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  color: #7F1D1D; background: rgba(220, 38, 38, .10);
  border: 1px solid rgba(220, 38, 38, .4); font-weight: 600;
}

/* ---------- 登录页 ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: var(--space-lg); }
.login-card { width: 100%; max-width: 400px; }
.login-head { text-align: center; margin-bottom: var(--space-lg); }
.login-head .brand-mark { width: 46px; height: 46px; font-size: 21px; margin: 0 auto var(--space-sm); }
.login-head .brand-name { font-size: 22px; display: block; }
.login-note { font-size: 12px; color: var(--color-muted-foreground); text-align: center; margin-top: var(--space-md); }

/* ---------- 日历 ---------- */
.cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.cal-head {
  text-align: center; font-size: 12px; font-weight: 600;
  color: var(--color-muted-foreground); padding: 4px 0;
}
.cal-cell {
  min-height: 78px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 6px 8px; background: var(--color-card);
  display: flex; flex-direction: column; gap: 4px; cursor: pointer;
  transition: border-color 200ms ease, background 200ms ease;
}
.cal-cell:hover { border-color: var(--color-primary); }
.cal-cell.is-open { background: rgba(161, 98, 7, .07); border-color: rgba(161, 98, 7, .45); }
.cal-cell.is-closed { background: var(--color-muted); }
.cal-cell.is-blank { visibility: hidden; }
.cal-day { font-family: var(--font-mono); font-size: 13px; font-weight: 600; }
.cal-toggle { display: flex; align-items: center; gap: 5px; font-size: 12px; }
.cal-toggle input { width: 15px; height: 15px; accent-color: var(--color-primary); cursor: pointer; }
.cal-note {
  width: 100%; font-size: 12px; padding: 2px 5px; border-radius: 4px;
  border: 1px solid var(--color-border); font-family: inherit;
}

/* ---------- 弹层 ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .5);
  display: grid; place-items: center; padding: var(--space-lg); z-index: var(--z-modal);
}
.modal {
  background: var(--color-card); border-radius: var(--radius-lg);
  padding: var(--space-lg); box-shadow: var(--shadow-xl);
  width: 100%; max-width: 460px; max-height: 90vh; overflow-y: auto;
}
.modal-head { display: flex; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-md); }
.modal-head h2 { flex: 1; }
.modal-foot { display: flex; justify-content: flex-end; gap: var(--space-sm); margin-top: var(--space-md); }

/* ---------- toast ---------- */
.toast-host {
  position: fixed; right: var(--space-lg); bottom: var(--space-lg);
  display: flex; flex-direction: column; gap: var(--space-sm);
  z-index: var(--z-toast); max-width: 360px;
}
.toast {
  padding: 11px 14px; border-radius: var(--radius-sm); background: var(--color-card);
  border-left: 4px solid var(--color-primary); box-shadow: var(--shadow-lg);
  font-size: 14px; animation: toast-in 200ms ease;
}
.toast.is-ok { border-left-color: var(--color-success); }
.toast.is-error { border-left-color: var(--color-destructive); }
@keyframes toast-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- 骨架/加载 ---------- */
.loading { display: flex; align-items: center; gap: var(--space-sm); color: var(--color-muted-foreground); padding: var(--space-lg); }
.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--color-border); border-top-color: var(--color-primary);
  animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty {
  padding: var(--space-xl) var(--space-md); text-align: center;
  color: var(--color-muted-foreground);
}
.empty h3 { margin-bottom: 4px; color: var(--color-foreground); }

/* ---------- 分页 ---------- */
.pager { display: flex; align-items: center; gap: var(--space-sm); margin-top: var(--space-md); }
.pager .spacer { flex: 1; }

/* ---------- 响应式：1024px 降级为横向滚动 / 抽屉导航 ---------- */
@media (max-width: 1100px) {
  .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.cols-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; width: var(--sidebar-w);
    transform: translateX(-100%); transition: transform 200ms ease; z-index: var(--z-drawer);
    box-shadow: var(--shadow-xl);
  }
  .sidebar.is-open { transform: none; }
  .scrim { position: fixed; inset: 0; background: rgba(0, 0, 0, .4); z-index: var(--z-drawer); }
  .hamburger { display: inline-flex; }
  .content { padding: var(--space-md); }
  .topbar { padding: 0 var(--space-md); }
  .grid.cols-2, .grid.cols-3, .grid.cols-4, .grid.cols-6 { grid-template-columns: 1fr; }
  .cal-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 3px; }
  .cal-cell { min-height: 62px; padding: 4px; }
  .cal-note { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}