:root {
  --bg: #f7f7f3;
  --panel: #ffffff;
  --panel-2: #fbfbf8;
  --sidebar: #fcfcfa;
  --ink: #181a1f;
  --muted: #687076;
  --line: #d9ddd6;
  --line-strong: #aab2ad;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --accent-soft: #e7efeb;
  --accent-ink: #0f3f3b;
  --chart: #0d9488;
  --chart-hover: #0f766e;
  --chip-bg: #17212b;
  --chip-ink: #ffffff;
  --warn: #b45309;
  --warn-soft: #fff8ed;
  --warn-line: #f0d2a8;
  --danger: #b91c1c;
  --danger-soft: #fff1f1;
  --danger-line: #efb8b8;
  --ok: #15803d;
  --ok-soft: #f0faf2;
  --ok-line: #b6ddc1;
  --slider-off: #c8cec8;
  --code-bg: #f6f7f4;
  --backdrop: rgba(10, 14, 18, 0.38);
  --shadow: 0 14px 30px rgba(20, 24, 28, 0.08);
  --focus: 0 0 0 3px rgba(15, 118, 110, 0.35);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1214;
    --panel: #171b1e;
    --panel-2: #1c2124;
    --sidebar: #13171a;
    --ink: #e7eae8;
    --muted: #9aa3a8;
    --line: #2a3135;
    --line-strong: #46525a;
    --accent: #0f8a80;
    --accent-dark: #0c7169;
    --accent-soft: #163330;
    --accent-ink: #a7e8de;
    --chart: #1aa89a;
    --chart-hover: #22b3a3;
    --chip-bg: #e7eae8;
    --chip-ink: #111416;
    --warn: #f0a44b;
    --warn-soft: #2b2112;
    --warn-line: #5c4318;
    --danger: #f58c8c;
    --danger-soft: #2c1717;
    --danger-line: #5e2a2a;
    --ok: #5fd08a;
    --ok-soft: #13261a;
    --ok-line: #24503a;
    --slider-off: #3b454a;
    --code-bg: #1c2124;
    --backdrop: rgba(0, 0, 0, 0.6);
    --shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
}

button,
input,
select {
  font: inherit;
}

select,
input[type="password"],
input[type="text"] {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  padding: 0 8px;
}

input[type="password"],
input[type="text"] {
  width: 100%;
  min-height: 38px;
}

button {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  border-radius: 6px;
  min-height: 36px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
}

button:hover {
  border-color: var(--line-strong);
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
.toggle input:focus-visible + .slider {
  outline: none;
  box-shadow: var(--focus);
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.primary:hover {
  background: var(--accent-dark);
}

button.danger {
  color: var(--danger);
}

button.danger.solid {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

button.ghost {
  background: transparent;
}

button.small {
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
}

button:disabled,
select:disabled,
.toggle input:disabled + .slider {
  opacity: 0.5;
  cursor: not-allowed;
}

button.icon {
  width: 36px;
  padding: 0;
}

.icon-slot {
  display: inline-flex;
  flex: none;
}

.icon-svg {
  display: block;
}

.spin .icon-svg {
  animation: spin 900ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .spin .icon-svg {
    animation: none;
  }
}

.zh {
  color: var(--muted);
  font-size: 0.86em;
  font-weight: 500;
  margin-left: 6px;
}

.zh.block {
  display: block;
  margin-left: 0;
}

button.primary .zh,
button.danger.solid .zh,
.segmented button.active .zh {
  color: inherit;
  opacity: 0.78;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 236px 1fr;
}

aside {
  border-right: 1px solid var(--line);
  background: var(--sidebar);
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  font-size: 15px;
  margin-bottom: 18px;
}

.brand .zh {
  margin-left: 0;
  display: block;
  font-size: 12px;
}

.mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--chip-bg);
  color: var(--chip-ink);
  display: grid;
  place-items: center;
  font-weight: 800;
}

nav {
  display: grid;
  gap: 6px;
}

nav button {
  justify-content: flex-start;
  background: transparent;
  border-color: transparent;
}

nav button.active {
  background: var(--accent-soft);
  color: var(--accent-ink);
}

.sidebar-footer {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 16px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: grid;
  gap: 8px;
}

.key-state {
  display: flex;
  align-items: center;
  gap: 6px;
}

main {
  min-width: 0;
  padding: 22px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

h1 {
  font-size: 22px;
  line-height: 1.2;
  margin: 0;
}

.subtle {
  color: var(--muted);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  background: var(--panel);
}

.segmented button {
  border: 0;
  border-radius: 0;
  min-height: 34px;
}

.segmented button.active {
  background: var(--chip-bg);
  color: var(--chip-ink);
}

.grid {
  display: grid;
  gap: 14px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.stats {
  grid-template-columns: repeat(4, minmax(140px, 1fr));
}

.stat,
.panel,
.user-row {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.stat {
  padding: 15px;
}

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

.stat .value {
  font-size: 24px;
  font-weight: 760;
  margin-top: 4px;
}

.stat .trend {
  color: var(--muted);
  font-size: 12px;
  margin-top: 8px;
}

.unknown {
  color: var(--muted);
}

.workspace {
  grid-template-columns: minmax(410px, 1.2fr) minmax(360px, 0.8fr);
  align-items: start;
  margin-top: 14px;
}

.panel {
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-title {
  font-size: 15px;
  font-weight: 740;
}

.user-list {
  display: grid;
}

.user-row {
  box-shadow: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 13px 16px;
}

.user-row.selected {
  background: var(--panel-2);
}

.user-row:last-child {
  border-bottom: 0;
}

.user-main {
  min-width: 0;
}

.user-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 720;
}

.badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 7px;
}

.badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  color: var(--muted);
  font-size: 12px;
  background: var(--panel);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.badge.ok {
  color: var(--ok);
  border-color: var(--ok-line);
  background: var(--ok-soft);
}

.badge.warn {
  color: var(--warn);
  border-color: var(--warn-line);
  background: var(--warn-soft);
}

.badge.danger {
  color: var(--danger);
  border-color: var(--danger-line);
  background: var(--danger-soft);
}

.actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.speed-control {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.toggle {
  position: relative;
  width: 42px;
  height: 24px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  inset: 0;
  background: var(--slider-off);
  border-radius: 999px;
  cursor: pointer;
}

.slider:before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 160ms ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.16);
}

.toggle input:checked + .slider {
  background: var(--accent);
}

.toggle input:checked + .slider:before {
  transform: translateX(18px);
}

.detail-body {
  padding: 16px;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.detail-name {
  font-size: 20px;
  font-weight: 780;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px;
  background: var(--panel-2);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.metric strong {
  display: block;
  font-size: 18px;
  margin-top: 2px;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 9px 10px;
  text-align: left;
  vertical-align: middle;
}

td {
  overflow-wrap: anywhere;
}

th {
  color: var(--muted);
  font-weight: 650;
  background: var(--panel-2);
}

td:last-child,
th:last-child {
  text-align: right;
}

.table-wrap {
  overflow-x: auto;
}

.logs {
  margin-top: 14px;
}

.notice {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-2);
  padding: 10px 12px;
  color: var(--muted);
  margin-bottom: 14px;
}

.notice.warn {
  border-color: var(--warn-line);
  background: var(--warn-soft);
  color: var(--warn);
}

.statusbar {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  padding: 7px 10px;
  color: var(--muted);
  margin-bottom: 14px;
}

.statusbar strong {
  color: var(--ink);
  white-space: nowrap;
}

#statusText.ok {
  color: var(--ok);
}

#statusText.error {
  color: var(--danger);
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 14px;
}

.node-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 14px;
  box-shadow: var(--shadow);
}

.node-card h2 {
  font-size: 17px;
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-actions {
  margin-top: 14px;
}

.kv {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 8px;
  margin-top: 10px;
  color: var(--muted);
}

.kv strong {
  color: var(--ink);
  font-weight: 650;
  overflow-wrap: anywhere;
}

.audit-list {
  display: grid;
  gap: 8px;
}

.audit-item {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  padding: 10px;
  overflow-wrap: anywhere;
}

.audit-item strong {
  display: block;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--backdrop);
  padding: 18px;
}

.modal.open {
  display: flex;
}

.dialog {
  width: min(460px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.dialog-body {
  padding: 18px;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.field label {
  font-weight: 650;
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.check-row input {
  margin-top: 3px;
}

.form-error {
  color: var(--danger);
  min-height: 20px;
  margin-top: 8px;
  font-size: 13px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

#qr {
  width: 220px;
  height: 220px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: #181a1f;
}

.linkbox {
  word-break: break-all;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  color: var(--ink);
  font-size: 12px;
}

.confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

[data-tooltip] {
  position: relative;
}

[data-tooltip]:hover:after {
  content: attr(data-tooltip);
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 3;
  white-space: nowrap;
  background: #111827;
  color: #fff;
  padding: 6px 8px;
  border-radius: 5px;
  font-size: 12px;
  pointer-events: none;
}

.meters {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.meter-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 5px;
}

.meter-head strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.meter-track {
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--accent-soft);
}

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

.meter-track.danger {
  background: var(--danger-soft);
}

.meter-track.neutral {
  background: var(--panel-2);
  box-shadow: inset 0 0 0 1px var(--line);
}

.meter-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--chart);
}

.meter-fill.warn {
  background: var(--warn);
}

.meter-fill.danger {
  background: var(--danger);
}

.meter-fill.neutral {
  background: var(--muted);
}

.chart {
  margin-bottom: 18px;
}

.chart-title {
  font-weight: 650;
  margin-bottom: 6px;
}

.chart-frame {
  position: relative;
}

.chart-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart-grid {
  stroke: var(--line);
  stroke-width: 1;
}

.chart-tick {
  fill: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.chart-hit {
  fill: transparent;
}

.chart-col {
  fill: var(--chart);
}

.chart-bar {
  outline: none;
}

.chart-bar:hover .chart-col,
.chart-bar:focus .chart-col {
  fill: var(--chart-hover);
}

.chart-bar:focus-visible .chart-hit {
  fill: var(--accent-soft);
}

.chart-empty {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-2);
  color: var(--muted);
  padding: 18px 12px;
  text-align: center;
  font-size: 13px;
}

.chart-tip {
  position: absolute;
  top: 0;
  transform: translate(-50%, -100%);
  display: grid;
  gap: 1px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
  padding: 5px 9px;
  font-size: 12px;
  white-space: nowrap;
  pointer-events: none;
}

.chart-tip[hidden] {
  display: none;
}

.chart-tip.edge-right {
  transform: translate(-100%, -100%);
}

.chart-tip.edge-left {
  transform: translate(0, -100%);
}

.chart-tip strong {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.chart-tip span {
  color: var(--muted);
}

.table-details {
  margin-bottom: 12px;
}

.table-details summary {
  cursor: pointer;
  color: var(--muted);
  margin-bottom: 8px;
}

.table-details td {
  font-variant-numeric: tabular-nums;
}

.budget-foot {
  font-size: 12px;
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: 1fr;
  }

  aside {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  nav .zh {
    display: none;
  }

  .sidebar-footer {
    position: static;
    margin-top: 14px;
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .workspace,
  .stats,
  .node-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  main {
    padding: 14px;
  }

  nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .user-row {
    grid-template-columns: 1fr;
  }

  .actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .kv {
    grid-template-columns: 100px 1fr;
  }
}

.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
}

.gate[hidden],
.shell[hidden] {
  display: none;
}

.gate-card {
  width: min(380px, 100%);
  display: grid;
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.gate-card .brand,
.gate-card .field {
  margin-bottom: 0;
}

.gate-card input[type="password"]::placeholder {
  color: var(--muted);
  font-size: 12px;
}

.gate-message {
  min-height: 20px;
  font-size: 13px;
}

.gate-message.error {
  color: var(--danger);
}

.gate-message.info {
  color: var(--muted);
}

#gateSubmit {
  width: 100%;
}