/* Voltip 管理台 — board 21 of the 「用量与额度 · 2026-10-27」 design (澄空 Glass colours). */
:root {
  --canvas: #f3f5f9;
  --card: #ffffff;
  --line: #e3e7ef;
  --edge: #d8deea;
  --ink: #151826;
  --body2: #3a3f55;
  --muted: #5b6280;
  --subtle: #6b7290;
  --faint: #8a90a8;
  --accent: #339cff;
  --accent-strong: #1667e8;
  --accent-soft: #e4f0ff;
  --bar: #9dc8ff;
  --track: #eef1f6;
  --segment: #f1f3f7;
  --ok-text: #1f7a4a;
  --warn-soft: #fdf0d9;
  --warn-text: #b45309;
  --danger: #e5484d;
  --danger-soft: #fde8e7;
  --danger-text: #c93a33;
  --shadow: rgba(42, 51, 102, 0.12);
  --sans: Inter, "Noto Sans CJK SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 14px/1.45 var(--sans);
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

.loading,
.fatal {
  max-width: 560px;
  margin: 120px auto;
  padding: 0 24px;
  color: var(--subtle);
}

.fatal h1 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--ink);
}

/* ---- top bar ---- */
.top {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 40px;
  height: 57px;
  padding: 0 24px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
}

.brand img {
  width: 28px;
  height: 28px;
}

.tabs {
  display: flex;
  align-self: stretch;
  gap: 28px;
}

.tabs a {
  display: flex;
  align-items: center;
  border-bottom: 3px solid transparent;
  border-top: 3px solid transparent;
  color: var(--subtle);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.tabs a:hover,
.tabs a[aria-current="page"] {
  color: var(--ink);
}

.tabs a[aria-current="page"] {
  border-bottom-color: var(--accent-strong);
}

.session {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  margin-left: auto;
  color: var(--subtle);
  font-size: 12px;
}

.session span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session svg {
  flex: none;
  color: var(--ok-text);
}

/* ---- page ---- */
.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 23px 24px 48px;
}

.title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
}

.subtitle {
  margin: 4px 0 20px;
  color: var(--subtle);
  font-size: 13px;
}

.subtitle.warn {
  color: var(--warn-text);
}

.section {
  margin: 36px 0 16px;
  font-size: 17px;
  font-weight: 500;
}

.grid2 {
  display: grid;
  grid-template-columns: minmax(0, 600fr) minmax(0, 616fr);
  gap: 16px;
  align-items: start;
}

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.stack {
  display: grid;
  gap: 16px;
}

@media (max-width: 1000px) {
  .grid2,
  .grid3 {
    grid-template-columns: minmax(0, 1fr);
  }
  .top {
    gap: 20px;
  }
  .session span {
    display: none;
  }
}

.card {
  min-width: 0;
  padding: 20px 24px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.card h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
}

.desc {
  margin: 6px 0 0;
  color: var(--subtle);
  font-size: 12px;
}

.label {
  color: var(--subtle);
  font-size: 12px;
}

.label.spaced {
  margin-top: 18px;
}

.value {
  margin-top: 4px;
  font-size: 14px;
  font-weight: 500;
}

.note {
  margin: 14px 0 0;
  color: var(--subtle);
  font-size: 12px;
}

code {
  font: 11.5px var(--mono);
  white-space: nowrap;
}

.empty {
  margin: 18px 0 4px;
  color: var(--faint);
  font-size: 13px;
}

/* ---- controls ---- */
.pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 16px;
  margin-top: 18px;
}

.select {
  width: 100%;
  height: 36px;
  margin-top: 4px;
  padding: 0 10px;
  background: var(--card);
  border: 1px solid var(--edge);
  border-radius: 8px;
  font-size: 13px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.btn {
  height: 34px;
  padding: 0 14px;
  background: var(--card);
  border: 1px solid var(--edge);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  border-color: var(--faint);
}

.btn.primary {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #ffffff;
  box-shadow: 0 1px 2px var(--shadow);
}

.btn.primary:hover:not(:disabled) {
  background: #125bd0;
}

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

.btn:disabled {
  cursor: default;
  opacity: 0.5;
}

.btn:focus-visible,
.select:focus-visible,
.input:focus-visible,
.segmented button:focus-visible,
.tabs a:focus-visible,
tr[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.confirm {
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--danger-soft);
  border-radius: 10px;
  font-size: 13px;
}

.confirm .actions {
  margin-top: 10px;
}

.callout {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--accent-soft);
  font-size: 12px;
  color: var(--body2);
}

.callout.warn {
  background: var(--warn-soft);
}

.callout svg {
  flex: none;
  margin-top: 1px;
  color: var(--accent-strong);
}

.callout.warn svg {
  color: var(--warn-text);
}

.callout strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
}

.callout p {
  margin: 0;
  line-height: 1.6;
}

.segmented {
  display: inline-flex;
  margin-top: 6px;
  padding: 3px;
  background: var(--segment);
  border-radius: 9px;
}

.segmented button {
  min-width: 136px;
  height: 28px;
  padding: 0 12px;
  background: transparent;
  border: 0;
  border-radius: 7px;
  color: var(--subtle);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.segmented button[aria-pressed="true"] {
  background: var(--card);
  color: var(--ink);
  box-shadow: 0 1px 3px var(--shadow);
}

.segmented.small button {
  min-width: 0;
  height: 26px;
  font-size: 12px;
}

.limits {
  display: grid;
  grid-template-columns: minmax(0, 240px) 120px minmax(0, 1fr);
  gap: 14px 12px;
  align-items: center;
  margin-top: 20px;
}

.limits .group {
  grid-column: 1 / -1;
  margin-top: 6px;
  color: var(--subtle);
  font-size: 12px;
  font-weight: 500;
}

.limits label {
  font-size: 13px;
  font-weight: 500;
}

.input {
  width: 120px;
  height: 34px;
  padding: 0 12px;
  background: var(--card);
  border: 1px solid var(--edge);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
}

.input[aria-invalid="true"] {
  border-color: var(--danger);
}

.unit {
  color: var(--subtle);
  font-size: 13px;
}

.divider {
  height: 1px;
  margin: 18px 0 0;
  background: var(--line);
  border: 0;
}

.error-text {
  margin: 10px 0 0;
  color: var(--danger-text);
  font-size: 12px;
}

/* ---- audit ---- */
.audit {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.audit li {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 8px;
  padding: 7px 0;
}

.audit time {
  color: var(--subtle);
  font: 12px/1.6 var(--mono);
}

.audit .what {
  color: var(--body2);
  font-size: 13px;
}

.audit .who {
  display: block;
  color: var(--faint);
  font-size: 12px;
}

/* ---- statistics ---- */
.kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  margin-top: 18px;
}

.kpi .label {
  display: block;
}

.kpi .line {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 2px;
}

.kpi .big {
  min-width: 96px;
  font-size: 24px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.kpi .sub {
  color: var(--subtle);
  font-size: 12px;
}

.caption {
  margin: 24px 0 10px;
  color: var(--subtle);
  font-size: 12px;
  font-weight: 500;
}

.bars {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 150px;
  border-bottom: 1px solid var(--line);
}

.bars .bar {
  flex: 1 1 0;
  min-width: 0;
  background: var(--bar);
  border-radius: 4px 4px 0 0;
}

.bars .bar.now {
  background: var(--accent-strong);
}

.bars .bar.full {
  background: var(--danger);
}

.axis {
  display: flex;
  gap: 7px;
  margin-top: 6px;
  color: var(--subtle);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.axis span {
  flex: 1 1 0;
  min-width: 0;
  overflow: visible;
  white-space: nowrap;
}

.versions {
  margin-top: 14px;
}

.versions .row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 82px;
  gap: 12px;
  align-items: center;
  height: 28px;
  font-size: 12px;
}

.versions .name {
  color: var(--body2);
  font-variant-numeric: tabular-nums;
}

.versions .count {
  color: var(--subtle);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.track {
  height: 8px;
  overflow: hidden;
  background: var(--track);
  border-radius: 4px;
}

.track .fill {
  height: 100%;
  background: var(--bar);
  border-radius: 4px;
}

.track .fill.first {
  background: var(--accent);
}

/* ---- usage table ---- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

table.spread {
  width: 100%;
  margin-top: 14px;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

table.spread th {
  padding: 0 6px 8px;
  border-bottom: 1px solid var(--line);
  color: var(--subtle);
  font-size: 12px;
  font-weight: 500;
  text-align: right;
}

table.spread th:first-child,
table.spread td:first-child {
  padding-left: 0;
  text-align: left;
}

table.spread td {
  padding: 9px 6px;
  color: var(--body2);
  text-align: right;
}

table.spread td:first-child {
  color: var(--ink);
  font-weight: 500;
}

table.spread tr[tabindex] {
  cursor: pointer;
}

table.spread tr[aria-selected="true"] td {
  background: var(--accent-soft);
}

table.spread td.limit {
  color: var(--warn-text);
}

/* ---- overview ---- */
.facts {
  margin: 14px 0 0;
}

.facts div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.facts div:last-child {
  border-bottom: 0;
}

.facts dt {
  color: var(--subtle);
}

.facts dd {
  margin: 0;
  font-weight: 500;
  text-align: right;
}

.more {
  display: inline-block;
  margin-top: 14px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}

/* ---- notice ---- */
.notice {
  position: fixed;
  bottom: 24px;
  left: 50%;
  z-index: 3;
  max-width: min(640px, calc(100vw - 48px));
  padding: 10px 16px;
  transform: translateX(-50%);
  background: var(--ink);
  border-radius: 10px;
  box-shadow: 0 6px 20px var(--shadow);
  color: #ffffff;
  font-size: 13px;
}

.notice.error {
  background: var(--danger-text);
}