/* 组件：按钮、表单控件、标签、面板、提示、空态、表格（手机转卡片）、数字卡、分段选择、浮层、图表。
   语义色一律用 data-tone="neutral|brand|success|warning|danger|info"（旧类名 rose/celadon/ochre/indigo 仍认）。 */

/* ---- tone plumbing ---- */
[data-tone], .tag, .notice, .callout, .health-dot { --tone-fg: var(--neutral-fg); --tone-bg: var(--neutral-bg); --tone-border: var(--neutral-border); --tone-solid: var(--neutral); }
[data-tone="brand"], .tag.indigo, .tone-brand { --tone-fg: var(--brand-fg); --tone-bg: var(--brand-bg); --tone-border: var(--brand-border); --tone-solid: var(--brand); }
[data-tone="success"], .tag.celadon, .health-dot.ok, .tone-success { --tone-fg: var(--success-fg); --tone-bg: var(--success-bg); --tone-border: var(--success-border); --tone-solid: var(--success); }
[data-tone="warning"], .tag.ochre, .health-dot.warn, .tone-warning { --tone-fg: var(--warning-fg); --tone-bg: var(--warning-bg); --tone-border: var(--warning-border); --tone-solid: var(--warning); }
[data-tone="danger"], .tag.rose, .notice.rose, .health-dot.fail, .tone-danger { --tone-fg: var(--danger-fg); --tone-bg: var(--danger-bg); --tone-border: var(--danger-border); --tone-solid: var(--danger); }
[data-tone="info"], .tone-info { --tone-fg: var(--info-fg); --tone-bg: var(--info-bg); --tone-border: var(--info-border); --tone-solid: var(--info); }

/* ---- buttons: primary / secondary (default) / ghost / danger; small = sm ---- */
.btn {
  --btn-bg: var(--control-bg); --btn-fg: var(--text); --btn-border: var(--line-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: var(--ctl-h-md); padding: 0 var(--sp-3); border-radius: var(--r-ctl);
  border: 1px solid var(--btn-border); background: var(--btn-bg); color: var(--btn-fg);
  font-size: var(--fs-sm); font-weight: 500; line-height: 1; white-space: nowrap; cursor: pointer; text-decoration: none;
  transition: background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}
.btn:hover { --btn-bg: var(--surface-2); text-decoration: none; }
.btn:active { --btn-bg: var(--surface-3); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; }
.btn.primary { --btn-bg: var(--primary-bg); --btn-fg: var(--primary-fg); --btn-border: var(--primary-bg); }
.btn.primary:hover { --btn-bg: var(--primary-bg-hover); --btn-border: var(--primary-bg-hover); }
.btn.ghost { --btn-bg: transparent; --btn-border: transparent; --btn-fg: var(--text-2); }
.btn.ghost:hover { --btn-bg: var(--hover); --btn-fg: var(--text); }
.btn.danger, .btn.rose { --btn-fg: var(--danger-fg); }
.btn.danger:hover, .btn.rose:hover { --btn-bg: var(--danger-bg); --btn-border: var(--danger-border); }
.btn.primary.rose, .btn.solid-danger { --btn-bg: var(--danger); --btn-fg: var(--on-solid); --btn-border: var(--danger); }
.btn.small { height: var(--ctl-h-sm); padding: 0 var(--sp-2); font-size: var(--fs-xs); gap: 4px; }
.btn.icon { width: var(--ctl-h-md); padding: 0; }
.btn.small.icon { width: var(--ctl-h-sm); }
.row-actions { display: inline-flex; gap: 2px; justify-content: flex-end; flex-wrap: wrap; }

/* ---- form controls ---- */
.field { display: flex; flex-direction: column; gap: 6px; font-size: var(--fs-sm); color: var(--text-2); min-width: 0; }
.field > span { font-weight: 500; color: var(--text); }
.field small, .field .hint { font-size: var(--fs-xs); color: var(--text-3); }
.field.inline { flex-direction: row; align-items: center; gap: var(--sp-2); }
.field.inline > span { white-space: nowrap; }
.input, .select, .textarea {
  width: 100%; min-height: var(--ctl-h-md); border: 1px solid var(--line-strong); border-radius: var(--r-ctl); background: var(--control-bg);
  padding: 0 10px; font-size: var(--fs-base); color: var(--text); transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.input, .select { height: var(--ctl-h-md); }
.textarea { padding: 8px 10px; resize: vertical; min-height: 84px; line-height: var(--lh-base); }
.select { appearance: none; padding-right: 30px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: right 14px center, right 9px center; background-size: 5px 5px; background-repeat: no-repeat; }
.select.compact, .input.compact { height: var(--ctl-h-sm); min-height: var(--ctl-h-sm); font-size: var(--fs-sm); }
.input::placeholder, .textarea::placeholder { color: var(--text-4); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-bg); }
.input:disabled, .select:disabled { background: var(--surface-2); color: var(--text-4); cursor: not-allowed; }
.input-with-action { display: flex; gap: 6px; align-items: stretch; }
.input-with-action .input { flex: 1; min-width: 0; }
.input-with-action .btn { height: auto; }
.search { display: flex; align-items: center; gap: 8px; height: var(--ctl-h-md); padding: 0 10px; border: 1px solid var(--line-strong); background: var(--control-bg); min-width: 220px; }
.search input { border: 0; background: transparent; outline: none; flex: 1; min-width: 0; }
.price-fieldset { border: 1px solid var(--line); border-radius: var(--r-card); padding: var(--sp-2) var(--sp-3) var(--sp-3); margin: 0; min-width: 0; }
.price-fieldset legend { padding: 0 6px; font-size: var(--fs-xs); color: var(--text-3); }

.check { position: relative; display: inline-grid; place-items: center; width: 20px; height: 20px; cursor: pointer; flex: none; }
.check input { position: absolute; opacity: 0; inset: 0; cursor: pointer; margin: 0; }
.check span { position: relative; width: 16px; height: 16px; border: 1.5px solid var(--line-strong); background: var(--control-bg); transition: background var(--dur-fast), border-color var(--dur-fast); }
.check input:checked + span { background: var(--brand); border-color: var(--brand); }
.check span::after { content: ""; position: absolute; left: 50%; top: 45%; width: 4px; height: 8px; border: solid var(--on-solid); border-width: 0 2px 2px 0;
  transform: translate(-50%, -50%) rotate(45deg) scale(0); transition: transform var(--dur-fast); }
.check input:checked + span::after { transform: translate(-50%, -50%) rotate(45deg) scale(1); }
.check:hover input:not(:disabled):not(:checked) + span { border-color: var(--text-3); }
.check input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 2px; }
.check input:disabled + span { opacity: 0.5; cursor: not-allowed; }
.check-label { display: inline-flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-sm); color: var(--text); cursor: pointer; }
.check-label small { color: var(--text-3); }

/* segmented control: a few exclusive choices in a row */
.segmented { display: inline-flex; border: 1px solid var(--line-strong); background: var(--control-bg); }
.segmented button { height: var(--ctl-h-sm); padding: 0 var(--sp-3); border: 0; background: transparent; font-size: var(--fs-sm); color: var(--text-2); cursor: pointer; }
.segmented button + button { border-left: 1px solid var(--line); }
.segmented button[aria-pressed="true"] { background: var(--brand); color: var(--primary-fg); }

/* ---- tags, dots, badges ---- */
.tag {
  display: inline-flex; align-items: center; gap: 4px; height: 22px; padding: 0 7px; border-radius: var(--r-ctl);
  font-size: var(--fs-xs); line-height: 1; white-space: nowrap; background: var(--tone-bg); color: var(--tone-fg); border: 1px solid transparent;
}
.tag.outline { background: transparent; border-color: var(--line-strong); color: var(--text-2); }
.tag.muted { color: var(--text-3); }
.tag svg { flex: none; }
.dot { width: 8px; height: 8px; border-radius: var(--r-pill); background: var(--tone-solid, var(--text-4)); flex: none; }
.health-dots { display: inline-flex; gap: 4px; }
.health-dot { display: inline-grid; place-items: center; min-width: 22px; height: 20px; padding: 0 6px; font: 600 11px/1 var(--font-num); background: var(--tone-bg); color: var(--tone-fg); }

/* ---- surfaces ---- */
.sheet { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-card); }
.table-sheet { overflow-x: auto; overflow-y: hidden; }   /* rows sliding in must not flash a scrollbar */
.chart-sheet { padding: var(--sp-4) var(--sp-5); }

/* callout / notice: a sentence that needs attention, in a tone */
.notice, .callout { display: flex; align-items: flex-start; gap: var(--sp-2); padding: var(--sp-2) var(--sp-3); margin-bottom: var(--sp-3);
  font-size: var(--fs-sm); line-height: var(--lh-sm); background: var(--tone-bg); color: var(--tone-fg); border: 1px solid var(--tone-border); border-left-width: 3px; }
.notice > svg, .callout > svg { flex: none; margin-top: 2px; }

/* empty state: why it is empty and what to do next */
.empty { display: grid; justify-items: center; gap: var(--sp-2); text-align: center; padding: var(--sp-12) var(--sp-6); color: var(--text-3); }
.empty h3 { font-size: var(--fs-lg); color: var(--text); }
.empty p { max-width: 420px; font-size: var(--fs-sm); }
.empty .btn { margin-top: var(--sp-2); }
.empty.sheet { padding: var(--sp-10) var(--sp-6); }

.skeleton { background: linear-gradient(90deg, var(--surface-2) 0%, var(--surface-3) 50%, var(--surface-2) 100%); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; }
.spinner { width: 14px; height: 14px; border-radius: var(--r-pill); border: 2px solid var(--line); border-top-color: var(--brand); animation: spin 0.8s linear infinite; }
.page-loading { padding-top: var(--sp-3); }

/* ---- table: rows on desktop, cards under 720px (cells carry data-label) ---- */
.table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.table th { text-align: left; font: 500 11px/16px var(--font-mono); letter-spacing: 0.08em; color: var(--text-3); padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 12px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: var(--hover); }
.table .num { text-align: right; white-space: nowrap; font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.table td small { display: block; margin-top: 2px; font-size: var(--fs-xs); line-height: var(--lh-xs); color: var(--text-3); }
.table td small.mono { font-size: 11px; }
.table td strong { font-weight: 600; }
.table.compact td, .table.compact th { padding: 6px 8px; }
.table tr.is-warn td { background: var(--danger-bg); }
.table tbody tr.clickable { cursor: pointer; }
.table-more { display: flex; justify-content: center; padding: var(--sp-2); border-top: 1px solid var(--line-soft); }
.is-disabled { opacity: 0.55; }
.table tr.is-disabled td:not(:last-child) { opacity: 0.55; }   /* its actions stay readable */
@media (max-width: 720px) {
  .table.cards thead { display: none; }
  .table.cards, .table.cards tbody, .table.cards tr, .table.cards td { display: block; width: 100%; }
  .table.cards tr { padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--line); }
  .table.cards tbody tr:last-child { border-bottom: 0; }
  .table.cards td { padding: 4px 0; border: 0; text-align: left; }
  .table.cards td.num { text-align: left; }
  .table.cards td[data-label]::before { content: attr(data-label); display: block; font: 500 11px/16px var(--font-mono); letter-spacing: 0.08em; color: var(--text-3); }
  .table.cards td:first-child::before { display: none; }
  .table.cards td:empty { display: none; }
  .table.cards .row-actions { justify-content: flex-start; }
}

/* ---- stat tiles (components/stats.js) ---- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: var(--sp-3); }
.kpi { position: relative; padding: var(--sp-4) var(--sp-5) var(--sp-3); display: flex; flex-direction: column; gap: 6px; overflow: hidden; min-height: 116px;
  transition: border-color var(--dur-fast), transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out); }
.kpi:hover { border-color: var(--line-strong); }
.kpi-label, .kpi > span.eyebrow { font: 500 11px/16px var(--font-mono); letter-spacing: 0.12em; color: var(--text-3); }
.kpi-value, .kpi strong { font: 300 30px/1.1 var(--font-num); letter-spacing: -0.02em; color: var(--text); font-variant-numeric: lining-nums tabular-nums; }
.kpi-foot { display: flex; align-items: center; gap: var(--sp-2); min-height: 20px; margin-top: auto; }
.kpi-foot small, .kpi small { font-size: var(--fs-xs); color: var(--text-3); }
.kpi-spark { position: absolute; right: var(--sp-4); top: var(--sp-4); opacity: 0.9; }
.delta { display: inline-flex; align-items: center; gap: 2px; font: 600 var(--fs-xs)/1 var(--font-num); padding: 3px 5px; }
.delta.good { color: var(--success-fg); background: var(--success-bg); }
.delta.bad { color: var(--danger-fg); background: var(--danger-bg); }
.delta.neutral { color: var(--text-3); background: var(--surface-2); }
.delta svg { width: 12px; height: 12px; }

/* ---- avatar ---- */
.avatar { width: 28px; height: 28px; border-radius: var(--r-pill); display: grid; place-items: center; font: 600 12px/1 var(--font-sans); background: var(--brand-bg); color: var(--brand-fg); flex: none; }
.avatar.small { width: 24px; height: 24px; display: inline-grid; margin-right: 8px; vertical-align: middle; font-size: 11px; }
.avatar.large { width: 52px; height: 52px; font: 600 20px/1 var(--font-serif); }

/* ---- overlays: drawer (details), modal (short confirm; a bottom sheet on phones), toast ---- */
.drawer-backdrop, .modal-backdrop { position: fixed; inset: 0; background: var(--overlay); z-index: var(--z-overlay); animation: fade-in var(--dur) var(--ease-out); }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(var(--drawer-w, 560px), 100vw); z-index: calc(var(--z-overlay) + 1);
  background: var(--surface-raised); border-left: 1px solid var(--line); box-shadow: var(--shadow-float); display: flex; flex-direction: column;
  animation: drawer-in var(--dur) var(--ease-out);
}
.drawer.wide { --drawer-w: 880px; }
.drawer > header { display: flex; align-items: flex-start; gap: var(--sp-3); padding: var(--sp-5) var(--sp-6) var(--sp-4); border-bottom: 1px solid var(--line-soft); }
.drawer-title { flex: 1; min-width: 0; }
.drawer-title .eyebrow { display: block; margin-bottom: 4px; }
.drawer-title h2 { font-size: var(--fs-xl); line-height: var(--lh-xl); }
.drawer-title p { margin-top: 4px; font-size: var(--fs-sm); color: var(--text-3); }
.drawer .drawer-body { flex: 1; overflow: auto; padding: var(--sp-5) var(--sp-6) var(--sp-8); }
.drawer > footer { padding: var(--sp-3) var(--sp-6); border-top: 1px solid var(--line-soft); display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.modal {
  position: fixed; left: 50%; top: 12vh; transform: translateX(-50%); z-index: calc(var(--z-overlay) + 1); width: min(560px, calc(100vw - 32px));
  max-height: 76vh; overflow: auto; background: var(--surface-raised); border: 1px solid var(--line); border-top: 3px solid var(--brand);
  box-shadow: var(--shadow-float); padding: var(--sp-5) var(--sp-6); animation: modal-in var(--dur) var(--ease-out);
}
.modal h2 { font-size: var(--fs-xl); margin-bottom: var(--sp-4); }
.modal .actions { display: flex; justify-content: flex-end; gap: var(--sp-2); margin-top: var(--sp-5); }
.modal.danger { border-top-color: var(--danger); }
.toast-stack { position: fixed; bottom: var(--sp-6); left: 50%; transform: translateX(-50%); z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--sp-2); align-items: center; pointer-events: none; }
.toast { pointer-events: auto; background: var(--text); color: var(--text-inverse); padding: 10px var(--sp-4); font-size: var(--fs-sm); box-shadow: var(--shadow-lift);
  animation: toast-in var(--dur) var(--ease-out); display: flex; gap: var(--sp-3); align-items: center; max-width: min(560px, calc(100vw - 32px)); }
.toast.error { background: var(--danger); color: var(--on-solid); }
.toast button { background: none; border: 0; color: inherit; cursor: pointer; font-weight: 600; text-decoration: underline; }
@media (max-width: 720px) {
  .drawer { width: 100vw; border-left: 0; }
  .drawer > header, .drawer .drawer-body, .drawer > footer { padding-left: var(--sp-4); padding-right: var(--sp-4); }
  .modal { left: 0; right: 0; top: auto; bottom: 0; transform: none; width: 100%; max-height: 88vh; animation: sheet-up var(--dur) var(--ease-out); }
  .toast-stack { bottom: calc(76px + var(--sp-2)); }
}

/* ---- charts (components/charts.js) ---- */
.chart { width: 100%; height: auto; display: block; overflow: visible; }
.chart .grid { stroke: var(--chart-grid); stroke-width: 1; }
.chart .grid.baseline { stroke: var(--chart-axis); }
.chart .tick, .chart .xlabel { font: 11px var(--font-sans); fill: var(--text-3); }
.chart .hit { fill: transparent; cursor: default; }
.chart .mark:hover path { filter: brightness(1.08); }
.chart .crosshair { stroke: var(--text-4); stroke-dasharray: 3 3; }
.chart-tip { position: fixed; left: 0; top: 0; z-index: var(--z-tip); pointer-events: none; background: var(--text); color: var(--text-inverse);
  padding: 8px 11px; font-size: var(--fs-xs); line-height: var(--lh-xs); box-shadow: var(--shadow-lift); display: flex; flex-direction: column; max-width: 260px; }
.chart-tip strong { font-weight: 600; margin-bottom: 2px; }
.chart-tip span { opacity: 0.8; font-variant-numeric: tabular-nums; }
.barlist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.barlist li { display: grid; grid-template-columns: minmax(96px, 150px) minmax(0, 1fr) 72px; gap: var(--sp-3); align-items: center; font-size: var(--fs-sm); }
.barlist li[data-action] { cursor: pointer; }
.barlist li[data-action]:hover .bl-label { color: var(--brand); }
.bl-label { display: flex; flex-direction: column; line-height: 1.3; color: var(--text); min-width: 0; }
.bl-label small { color: var(--text-3); font-size: 11px; }
.bl-track { position: relative; height: 10px; background: var(--surface-2); overflow: hidden; }
.bl-fill { position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--chart-1); transform-origin: left; animation: grow 600ms var(--ease-out) both; }
.barlist li.emph .bl-fill { background: var(--chart-emph); }
.bl-value { text-align: right; font: 400 var(--fs-md) var(--font-num); color: var(--text); }

/* ---- tabs (components/tabs.js) ---- */
.tabs { position: relative; display: flex; align-items: stretch; gap: 2px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 var(--sp-3); border: 0; background: none; color: var(--text-3);
  font-size: var(--fs-sm); font-weight: 500; white-space: nowrap; cursor: pointer; transition: color var(--dur-fast); }
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--text); }
.tab-count { min-width: 20px; height: 18px; padding: 0 5px; font: 500 11px/18px var(--font-num); text-align: center; background: var(--surface-2); color: var(--text-3);
  transition: background var(--dur-fast), color var(--dur-fast); }
.tab[aria-selected="true"] .tab-count { background: var(--brand-bg); color: var(--brand-fg); }
.tab-count.tone-danger { background: var(--danger-bg); color: var(--danger-fg); }
.tab-count.tone-warning { background: var(--warning-bg); color: var(--warning-fg); }
.tabs-ink { position: absolute; left: 0; bottom: -1px; height: 2px; width: 1px; background: var(--brand); transform-origin: left;
  transform: scaleX(0); transition: transform var(--dur) var(--ease-out); }
.tabs-ink.still { transition: none; }

/* ---- toolbar (components/toolbar.js) ---- */
.toolbar { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; padding: var(--sp-3) 0; }
.toolbar .search { min-width: 260px; flex: 0 1 340px; }
.toolbar .search input::-webkit-search-cancel-button { cursor: pointer; }
.toolbar .search kbd { opacity: 0.8; }
.toolbar .search:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-bg); }
.toolbar .search:focus-within kbd { display: none; }
.filter-chips { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.filter-chip { display: inline-flex; align-items: center; gap: 6px; height: var(--ctl-h-md); padding: 0 8px 0 10px; border: 1px dashed var(--line-strong);
  background: transparent; color: var(--text-2); font-size: var(--fs-sm); cursor: pointer; transition: background var(--dur-fast), border-color var(--dur-fast); }
.filter-chip:hover { background: var(--hover); border-color: var(--text-4); }
.filter-chip.on { border-style: solid; border-color: var(--brand-border); background: var(--brand-bg); color: var(--brand-fg); }
.filter-chip[aria-expanded="true"] svg { transform: rotate(180deg); }
.filter-chip svg { transition: transform var(--dur-fast); }
.filter-value { font-weight: 600; padding-left: 6px; border-left: 1px solid currentColor; }
.toolbar-summary { font-size: var(--fs-xs); color: var(--text-3); white-space: nowrap; }
.sort-control { display: inline-flex; align-items: center; gap: 6px; color: var(--text-3); }
.sort-control .select { width: auto; min-width: 128px; }

/* ---- popovers and menus (components/popover.js) ---- */
.popover { position: fixed; z-index: calc(var(--z-overlay) + 5); min-width: 200px; max-width: min(420px, calc(100vw - 16px)); max-height: min(70vh, 520px); overflow: auto;
  background: var(--surface-raised); border: 1px solid var(--line); box-shadow: var(--shadow-pop); animation: pop-in var(--dur-fast) var(--ease-out); transform-origin: top; }
.popover[data-side="top"] { transform-origin: bottom; }
.popover.leaving { animation: pop-out 120ms var(--ease-in-out) forwards; }
.menu { display: flex; flex-direction: column; padding: 6px; }
.menu-title { font: 500 10.5px/16px var(--font-mono); letter-spacing: 0.14em; color: var(--text-3); padding: 6px 8px 4px; }
.menu-item { display: flex; align-items: center; gap: var(--sp-2); width: 100%; min-height: 34px; padding: 6px 8px; border: 0; background: none; text-align: left;
  color: var(--text); font-size: var(--fs-sm); cursor: pointer; text-decoration: none; }
.menu-item:hover, .menu-item:focus-visible { background: var(--hover); text-decoration: none; outline: none; }
.menu-item:focus-visible { box-shadow: inset 0 0 0 2px var(--focus); }
.menu-item.subtle { color: var(--text-3); font-size: var(--fs-xs); }
.menu-item svg { flex: none; color: var(--text-3); }
.menu-label { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.menu-label small { font-size: var(--fs-xs); color: var(--text-3); }
.menu-count { font: 500 11px var(--font-num); color: var(--text-4); }
.menu-check { width: 16px; height: 16px; display: grid; place-items: center; border: 1.5px solid var(--line-strong); flex: none; }
.menu-check svg { opacity: 0; color: var(--on-solid); transform: scale(0.6); transition: opacity var(--dur-fast), transform var(--dur-fast); }
[aria-checked="true"] > .menu-check { background: var(--brand); border-color: var(--brand); }
[aria-checked="true"] > .menu-check svg { opacity: 1; transform: none; }
[role="menuitemradio"] > .menu-check { border-radius: var(--r-pill); }
.menu-sep { height: 1px; background: var(--line-soft); margin: 6px 0; }
.menu-head { display: flex; align-items: center; gap: var(--sp-3); padding: 8px; }
.menu-head strong { display: block; font-weight: 600; }
.menu-head small { display: block; font-size: var(--fs-xs); color: var(--text-3); }
.menu-empty { padding: var(--sp-4) 8px; font-size: var(--fs-sm); color: var(--text-3); }
/* the client-view picker (shell/client-view.js): a search box over a scrolling list of clients */
.client-picker .search { min-width: 0; height: var(--ctl-h-md); margin: 0 2px 6px; color: var(--text-3); }
.client-picker-list { display: flex; flex-direction: column; max-height: min(320px, 46vh); overflow-y: auto; scrollbar-width: thin; }
.client-picker-list .menu-empty { display: flex; align-items: center; gap: 6px; }
.theme-switch { margin: 0 8px 4px; display: flex; }
.theme-switch button { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 4px; padding: 0 6px; }
.alert-mini { list-style: none; margin: 0; padding: 0; }
.alert-mini .menu-item { align-items: flex-start; }
.alert-mini .tag { margin-top: 1px; }

/* ---- command palette (shell/command.js) ---- */
.palette-layer { position: fixed; inset: 0; z-index: calc(var(--z-overlay) + 10); background: var(--overlay); display: flex; justify-content: center; align-items: flex-start;
  padding: 12vh var(--sp-4) var(--sp-4); animation: fade-in var(--dur-fast) var(--ease-out); }
.palette-layer.leaving { animation: fade-out 140ms var(--ease-in-out) forwards; }
.palette { width: min(640px, 100%); max-height: 70vh; display: flex; flex-direction: column; background: var(--surface-raised); border: 1px solid var(--line);
  border-top: 3px solid var(--brand); box-shadow: var(--shadow-float); animation: palette-in var(--dur) var(--ease-out); }
.palette-input { display: flex; align-items: center; gap: var(--sp-3); padding: 0 var(--sp-4); height: 56px; border-bottom: 1px solid var(--line-soft); color: var(--text-3); }
.palette-input input { flex: 1; border: 0; outline: none; background: none; font-size: var(--fs-lg); color: var(--text); min-width: 0; }
.palette-list { overflow-y: auto; padding: 6px; flex: 1; }
.palette-group { font: 500 10.5px/16px var(--font-mono); letter-spacing: 0.14em; color: var(--text-3); padding: 10px 10px 4px; }
.palette-item { display: flex; align-items: center; gap: var(--sp-3); padding: 8px 10px; cursor: pointer; color: var(--text-2); }
.palette-item svg { color: var(--text-3); flex: none; }
.palette-item.active { background: var(--brand-bg); color: var(--text); }
.palette-item.active svg { color: var(--brand); }
.palette-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.palette-text > span { font-size: var(--fs-sm); color: var(--text); }
.palette-text small { font-size: var(--fs-xs); color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.palette-text mark { background: none; color: var(--brand); font-weight: 600; }
.palette-go { opacity: 0; transition: opacity var(--dur-fast), transform var(--dur-fast); transform: translateX(-4px); }
.palette-item.active .palette-go { opacity: 1; transform: none; }
.palette-empty { padding: var(--sp-8) var(--sp-4); text-align: center; color: var(--text-3); font-size: var(--fs-sm); }
.palette-foot { display: flex; gap: var(--sp-4); padding: 8px var(--sp-4); border-top: 1px solid var(--line-soft); font-size: var(--fs-xs); color: var(--text-3); }
.palette-foot kbd { margin-right: 3px; }
@media (max-width: 720px) { .palette-layer { padding-top: var(--sp-4); } .palette-foot { display: none; } }

/* ---- data tables (components/table.js) ---- */
.table th.sortable { padding: 0; }
.table th.sortable button { display: inline-flex; align-items: center; gap: 4px; width: 100%; height: 100%; padding: 10px 12px; border: 0; background: none;
  font: inherit; letter-spacing: inherit; color: inherit; cursor: pointer; text-align: inherit; }
.table th.num.sortable button { justify-content: flex-end; }
.table th.sortable button:hover, .table th.sorted button { color: var(--text); }
.sort-mark { display: inline-flex; opacity: 0.55; }
.table th.sorted .sort-mark { opacity: 1; color: var(--brand); }
.table thead th { position: sticky; top: 0; background: var(--surface); z-index: 1; }
.table td.center, .table th.center { text-align: center; }
.table .group-row th { background: var(--paper); color: var(--text-2); font: 600 var(--fs-xs)/16px var(--font-sans); letter-spacing: 0.04em; padding: 8px 12px;
  border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); text-align: left; }
.table tbody tr:first-child.group-row th { border-top: 0; }
.group-count { margin-left: 8px; font: 500 11px var(--font-num); color: var(--text-4); }
.table td.row-go, .table th.row-go { width: 32px; padding-left: 0; padding-right: 10px; color: var(--text-4); vertical-align: middle; }
.table td.row-go svg { opacity: 0; transform: translateX(-4px); transition: opacity var(--dur-fast), transform var(--dur-fast); }
.table tr.clickable:hover td.row-go svg, .table tr.clickable:focus-visible td.row-go svg { opacity: 1; transform: none; color: var(--brand); }
.table tr.clickable:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
.table .empty-row td { padding: var(--sp-8) var(--sp-4); text-align: center; }
.animate-rows tbody tr:not(.group-row) { animation: rise-in var(--dur-slow) var(--ease-out) both; animation-delay: calc(var(--i, 0) * var(--stagger)); }
.table.dense td { padding-top: 9px; padding-bottom: 9px; }
.table .cell-main { display: flex; flex-direction: column; min-width: 0; }
.table .cell-main strong { font-weight: 600; }
.table .cell-sub { font-size: var(--fs-xs); color: var(--text-3); }
.table .chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
@media (max-width: 720px) {
  .table.cards td.row-go, .table.cards th.row-go { display: none; }
  .table.cards tr.group-row { display: block; padding: 0; border-bottom: 1px solid var(--line); }
  .table.cards .group-row th { display: block; border: 0; padding: 8px var(--sp-4); }
}

/* ---- states, availability strip, scores (components/stats.js) ---- */
.state { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-sm); color: var(--tone-fg); white-space: nowrap; }
.state .dot { background: var(--tone-solid); box-shadow: 0 0 0 3px var(--tone-bg); }
.state[data-tone="success"] .dot { animation: breathe 3.2s var(--ease-in-out) infinite; }
.uptime { display: inline-grid; grid-auto-flow: column; grid-auto-columns: 6px; gap: 2px; height: 22px; align-items: stretch; }
.up-cell { background: var(--surface-3); transition: transform var(--dur-fast); }
.up-cell:hover { transform: scaleY(1.2); }
.up-cell.ok { background: var(--success); }
.up-cell.warn { background: var(--warning); }
.up-cell.fail { background: var(--danger); }
.score { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-sm); }
.score .score-bar { width: 56px; height: 6px; background: var(--surface-2); position: relative; overflow: hidden; }
.score .score-bar span { position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--success); animation: grow 700ms var(--ease-out) both; transform-origin: left; }
.score.warn .score-bar span { background: var(--warning); }
.score.fail .score-bar span { background: var(--danger); }
.score.none { color: var(--text-4); font-size: var(--fs-xs); }
.rate.ok { color: var(--success-fg); } .rate.warn { color: var(--warning-fg); } .rate.fail { color: var(--danger-fg); }
.tag.severity { font-weight: 600; }

/* ---- switch (a single on/off setting) ---- */
.switch { position: relative; display: inline-flex; align-items: center; gap: var(--sp-2); cursor: pointer; font-size: var(--fs-sm); }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch-track { width: 34px; height: 20px; background: var(--line-strong); position: relative; transition: background var(--dur-fast); flex: none; }
.switch-track::after { content: ""; position: absolute; left: 2px; top: 2px; width: 16px; height: 16px; background: var(--on-solid); box-shadow: 0 1px 2px rgba(0,0,0,.25);
  transition: transform var(--dur) var(--ease-out); }
.switch input:checked + .switch-track { background: var(--success); }
.switch input:checked + .switch-track::after { transform: translateX(14px); }
.switch input:focus-visible + .switch-track { outline: 2px solid var(--focus); outline-offset: 2px; }
.switch input:disabled + .switch-track { opacity: 0.5; cursor: not-allowed; }

/* ---- small layout pieces ---- */
.chip { display: inline-flex; align-items: center; gap: 4px; min-height: 22px; padding: 2px 7px; border: 1px solid var(--line); font-size: var(--fs-xs); line-height: 16px;
  color: var(--text-2); background: var(--surface); max-width: 100%; }
.dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--sp-3) var(--sp-5); margin: 0; }
.dl-grid dt { font: 500 11px/16px var(--font-mono); letter-spacing: 0.08em; color: var(--text-3); }
.dl-grid dd { margin: 2px 0 0; font-size: var(--fs-sm); overflow-wrap: anywhere; }
.panel { padding: var(--sp-4) var(--sp-5); }
.panel-head { display: flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-3); }
.panel-head h3 { font: 500 var(--fs-md)/var(--lh-md) var(--font-serif); }
.panel-head .spacer + a, .panel-head .spacer + .btn { font-size: var(--fs-xs); }
.link-more { display: inline-flex; align-items: center; gap: 4px; font-size: var(--fs-xs); color: var(--text-3); }
.link-more:hover { color: var(--brand); text-decoration: none; }
.link-more svg { transition: transform var(--dur-fast); }
.link-more:hover svg { transform: translateX(2px); }

/* charts: lines draw in from left on first paint; legend */
.chart.line path.series.draw { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 900ms var(--ease-out) forwards; }   /* pathLength="1" */
.chart.line path.series.dashed { animation: fade-in 900ms var(--ease-out) both; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.chart-legend { list-style: none; margin: 0; padding: 0; display: flex; gap: var(--sp-4); font-size: var(--fs-xs); color: var(--text-3); }
.chart-legend li { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 14px; height: 2px; background: var(--c); }
.swatch.dashed { background: repeating-linear-gradient(90deg, var(--c) 0 4px, transparent 4px 7px); }