:root {
  /* Warm paper surfaces — Claude-like bone / cream */
  --bg: #f3f1ea;
  --bg-quiet: #edeae0;
  --paper: #ffffff;
  --paper-soft: #faf8f2;
  --paper-wash: #f1ede4;
  --ink: #2b2926;
  --ink-soft: #4a453e;
  --muted: #79736b;
  --line: #e7e1d5;
  --line-strong: #d6cdbd;
  /* Claude coral / clay accent */
  --accent: #d97757;
  --accent-dark: #c15f3c;
  --accent-soft: rgba(217, 119, 87, 0.12);
  --green: #5d7d5f;
  --red: #b5483d;
  --slate: #5b6a6b;
  --warn: #b07d2c;
  --panel-bg: #ffffff;
  --panel-soft-bg: rgba(255, 255, 255, 0.66);
  --panel-faint-bg: rgba(250, 248, 242, 0.7);
  --panel-card-bg: rgba(250, 248, 242, 0.85);
  --body-sheen: radial-gradient(1200px 460px at 50% -160px, rgba(217, 119, 87, 0.07), rgba(217, 119, 87, 0) 70%);
  --control-hover: #f6f1e8;
  --table-head: #f6f2ea;
  --row-hover: #faf6ee;
  --icon-bg: #faf8f2;
  --nav-active-bg: #ffffff;
  --nav-active-border: rgba(214, 205, 189, 0.8);
  --on-accent: #fffaf4;
  --good-border: #c7d4c7;
  --bad-border: #e6c4be;
  --warn-border: #e0c98e;
  --focus-ring: rgba(217, 119, 87, 0.22);
  --selected-outline: rgba(217, 119, 87, 0.34);
  --chart-grid: rgba(231, 225, 213, 0.9);
  --track-border: rgba(214, 205, 189, 0.8);
  --fill-up: rgba(91, 106, 107, 0.7);
  --shadow-sm: 0 1px 2px rgba(62, 44, 29, 0.05);
  --shadow: 0 1px 2px rgba(62, 44, 29, 0.04), 0 10px 30px rgba(62, 44, 29, 0.07);
  --shadow-lg: 0 18px 48px rgba(62, 44, 29, 0.12);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", Roboto, Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", "Noto Serif SC", serif;
}

:root[data-theme="dark"] {
  --bg: #1f1e1c;
  --bg-quiet: #262523;
  --paper: #2a2926;
  --paper-soft: #302e2a;
  --paper-wash: #38352f;
  --ink: #f3efe7;
  --ink-soft: #d4cabb;
  --muted: #a59a8b;
  --line: #413b32;
  --line-strong: #5b5344;
  --accent: #e0875f;
  --accent-dark: #ec9b76;
  --accent-soft: rgba(224, 135, 95, 0.16);
  --green: #9ab187;
  --red: #d8857a;
  --slate: #93a4a0;
  --warn: #d9af67;
  --panel-bg: #2a2926;
  --panel-soft-bg: rgba(48, 46, 42, 0.7);
  --panel-faint-bg: rgba(48, 46, 42, 0.5);
  --panel-card-bg: rgba(56, 53, 47, 0.7);
  --body-sheen: radial-gradient(1200px 460px at 50% -160px, rgba(224, 135, 95, 0.09), rgba(224, 135, 95, 0) 70%);
  --control-hover: #38352f;
  --table-head: #302e2a;
  --row-hover: #322f29;
  --icon-bg: #34322c;
  --nav-active-bg: #34322c;
  --nav-active-border: rgba(91, 83, 68, 0.85);
  --on-accent: #211f1c;
  --good-border: #536347;
  --bad-border: #76524b;
  --warn-border: #7d6943;
  --focus-ring: rgba(224, 135, 95, 0.28);
  --selected-outline: rgba(224, 135, 95, 0.4);
  --chart-grid: rgba(91, 83, 68, 0.5);
  --track-border: rgba(91, 83, 68, 0.8);
  --fill-up: rgba(147, 164, 160, 0.72);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.18), 0 12px 32px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 20px 52px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] {
    --bg: #1f1e1c;
    --bg-quiet: #262523;
    --paper: #2a2926;
    --paper-soft: #302e2a;
    --paper-wash: #38352f;
    --ink: #f3efe7;
    --ink-soft: #d4cabb;
    --muted: #a59a8b;
    --line: #413b32;
    --line-strong: #5b5344;
    --accent: #e0875f;
    --accent-dark: #ec9b76;
    --accent-soft: rgba(224, 135, 95, 0.16);
    --green: #9ab187;
    --red: #d8857a;
    --slate: #93a4a0;
    --warn: #d9af67;
    --panel-bg: #2a2926;
    --panel-soft-bg: rgba(48, 46, 42, 0.7);
    --panel-faint-bg: rgba(48, 46, 42, 0.5);
    --panel-card-bg: rgba(56, 53, 47, 0.7);
    --body-sheen: radial-gradient(1200px 460px at 50% -160px, rgba(224, 135, 95, 0.09), rgba(224, 135, 95, 0) 70%);
    --control-hover: #38352f;
    --table-head: #302e2a;
    --row-hover: #322f29;
    --icon-bg: #34322c;
    --nav-active-bg: #34322c;
    --nav-active-border: rgba(91, 83, 68, 0.85);
    --on-accent: #211f1c;
    --good-border: #536347;
    --bad-border: #76524b;
    --warn-border: #7d6943;
    --focus-ring: rgba(224, 135, 95, 0.28);
    --selected-outline: rgba(224, 135, 95, 0.4);
    --chart-grid: rgba(91, 83, 68, 0.5);
    --track-border: rgba(91, 83, 68, 0.8);
    --fill-up: rgba(147, 164, 160, 0.72);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.18), 0 12px 32px rgba(0, 0, 0, 0.28);
    --shadow-lg: 0 20px 52px rgba(0, 0, 0, 0.4);
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    var(--body-sheen),
    var(--bg);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.002em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}

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

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

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

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel,
.panel,
.sub-panel,
.metric-panel {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.25s var(--ease);
}

.login-panel {
  width: min(430px, 100%);
  padding: 34px;
}

.login-brand,
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.login-brand {
  margin-bottom: 8px;
}

.login-panel h1,
.topbar h1,
.panel h2,
.panel h3,
.sub-panel h3 {
  margin: 0;
  line-height: 1.24;
  font-weight: 400;
}

/* Display headings use a refined serif for editorial contrast (Claude-like) */
.login-panel h1,
.topbar h1,
.panel h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.panel h2 {
  font-size: 19px;
}

.login-panel h1 {
  font-size: 30px;
}

.muted,
.error-text,
.detail-strip,
.answer-box,
.result-box {
  color: var(--muted);
}

.error-text {
  color: var(--red);
  min-height: 22px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

.form-stack,
.stacked {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 38px;
  color: var(--ink);
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  outline: none;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease), background-color 0.3s var(--ease);
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
  outline: none;
}

textarea {
  resize: vertical;
}

.primary-btn,
.ghost-btn,
.icon-btn,
.text-btn {
  min-height: 38px;
  border-radius: 9px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  white-space: nowrap;
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease),
    color 0.16s var(--ease), box-shadow 0.16s var(--ease), transform 0.12s var(--ease);
}

.primary-btn {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent-dark);
  font-weight: 500;
  box-shadow: 0 1px 2px rgba(193, 95, 60, 0.18);
}

.primary-btn:hover {
  background: var(--accent-dark);
  box-shadow: 0 6px 16px rgba(193, 95, 60, 0.26);
  transform: translateY(-1px);
}

.ghost-btn:hover,
.icon-btn:hover,
.text-btn:hover {
  transform: translateY(-1px);
}

.primary-btn:active,
.ghost-btn:active,
.icon-btn:active,
.text-btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: none;
}

.primary-btn:disabled,
.ghost-btn:disabled,
.text-btn:disabled,
.icon-btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.ghost-btn,
.icon-btn,
.text-btn {
  color: var(--ink);
  background: var(--paper-soft);
}

.ghost-btn:hover,
.icon-btn:hover,
.text-btn:hover,
.segmented button:hover {
  border-color: var(--line-strong);
  background: var(--control-hover);
}

.text-btn {
  min-height: 30px;
  padding: 5px 9px;
  color: var(--accent-dark);
  font-size: 13px;
}

.text-btn.danger {
  color: var(--red);
}

.icon-btn {
  display: inline-grid;
  width: 36px;
  min-width: 36px;
  padding: 0;
  place-items: center;
}

/* Button loading state */
.primary-btn.loading,
.ghost-btn.loading,
.text-btn.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.primary-btn.loading::after,
.ghost-btn.loading::after,
.text-btn.loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: kt-spinner 0.6s linear infinite;
}

.primary-btn.loading::after {
  border-top-color: var(--on-accent);
  opacity: 0.9;
}

.ghost-btn.loading::after,
.text-btn.loading::after {
  border-top-color: var(--ink-soft);
}

.app-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 240px minmax(0, 1fr);
  transition: grid-template-columns 180ms ease;
}

.app-shell.sidebar-collapsed {
  grid-template-columns: 86px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 18px 12px;
  border-right: 1px solid var(--line);
  background: var(--bg-quiet);
}

.sidebar-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px;
  gap: 8px;
  align-items: center;
  padding-bottom: 16px;
}

.brand {
  min-width: 0;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 36px;
  height: 36px;
  min-width: 36px;
  place-items: center;
  color: var(--on-accent);
  background: var(--ink);
  border: 1px solid rgba(255, 250, 244, 0.18);
  border-radius: 8px;
  overflow: hidden;
  font-weight: 500;
}

.brand-icon {
  display: block;
  width: 100%;
  height: 100%;
}

.brand-fallback {
  font-size: 17px;
  line-height: 1;
}

.brand-copy {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  transition: opacity 160ms ease;
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  overflow: hidden;
  font-weight: 400;
  text-overflow: ellipsis;
}

.brand span span,
.brand-copy > span {
  color: var(--muted);
  font-size: 12px;
}

.sidebar-toggle-icon {
  display: inline-block;
  color: var(--accent-dark);
  font-size: 22px;
  line-height: 1;
  transition: transform 160ms ease;
}

nav {
  display: grid;
  gap: 4px;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 42px;
  gap: 10px;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  transition: background-color 140ms var(--ease), border-color 140ms var(--ease), color 140ms var(--ease);
}

.nav-link::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 50%;
  width: 3px;
  height: 18px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0;
  transform: translateY(-50%) scaleY(0.3);
  transition: transform 0.22s var(--ease-out), opacity 0.22s var(--ease-out);
}

.nav-link.active::before {
  opacity: 1;
  transform: translateY(-50%) scaleY(1);
}

.nav-icon {
  display: block;
  width: 30px;
  min-width: 30px;
  height: 30px;
  padding: 5px;
  color: var(--slate);
  background: var(--icon-bg);
  border: 1px solid var(--line);
  border-radius: 7px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.nav-text {
  overflow: hidden;
  white-space: nowrap;
  transition: opacity 160ms ease;
}

.nav-link:hover {
  color: var(--ink);
  border-color: var(--line);
  background: var(--control-hover);
}

.nav-link.active {
  color: var(--ink);
  border-color: var(--nav-active-border);
  background: var(--nav-active-bg);
  box-shadow: var(--shadow-sm);
}

.nav-link.active .nav-icon {
  color: var(--on-accent);
  border-color: var(--accent-dark);
  background: var(--accent);
}

.app-shell.sidebar-collapsed .sidebar {
  align-items: center;
  padding: 18px 14px;
}

.app-shell.sidebar-collapsed .sidebar-head {
  grid-template-columns: 1fr;
  justify-items: center;
  width: 100%;
  gap: 12px;
  padding-bottom: 18px;
}

.app-shell.sidebar-collapsed .brand {
  justify-content: center;
  gap: 0;
}

.app-shell.sidebar-collapsed .brand-mark {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: 12px;
}

.app-shell.sidebar-collapsed .brand-copy,
.app-shell.sidebar-collapsed .nav-text {
  width: 0;
  opacity: 0;
  pointer-events: none;
}

.app-shell.sidebar-collapsed .nav-link {
  width: 50px;
  min-height: 50px;
  gap: 0;
  justify-content: center;
  padding: 0;
  border-radius: 12px;
}

.app-shell.sidebar-collapsed nav {
  width: 100%;
  justify-items: center;
  gap: 10px;
}

.app-shell.sidebar-collapsed .nav-icon {
  width: 34px;
  min-width: 34px;
  height: 34px;
  padding: 6px;
}

.app-shell.sidebar-collapsed .sidebar-toggle-icon {
  transform: rotate(180deg);
}

.workspace {
  min-width: 0;
  padding: 26px 30px 44px;
}

.topbar,
.panel-head,
.top-actions,
.inline-form,
.ai-box,
.binding-editor-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar,
.panel-head {
  justify-content: space-between;
}

.route-toolbar {
  justify-content: flex-end;
  align-items: center;
  min-height: 38px;
  margin-bottom: 12px;
}

.route-toolbar:empty {
  display: none;
}

.topbar {
  margin-bottom: 22px;
}

.topbar h1 {
  font-size: 27px;
}

.topbar-subtitle {
  margin: 4px 0 0;
  max-width: 620px;
}

.top-actions {
  justify-content: flex-end;
}

.status-pill,
.soft-label,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.status-pill.good,
.soft-label.good,
.pill.good {
  color: var(--green);
  border-color: var(--good-border);
}

.status-pill.bad,
.soft-label.bad,
.pill.bad {
  color: var(--red);
  border-color: var(--bad-border);
}

.status-pill.warn,
.soft-label.warn,
.pill.warn {
  color: var(--warn);
  border-color: var(--warn-border);
}

.fix-text {
  color: var(--accent-dark);
}

.route-view,
.section-grid,
.content-grid {
  display: grid;
  gap: 16px;
}

.section-grid,
.content-grid {
  margin-bottom: 16px;
}

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

.content-grid {
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
}

.compact-grid {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  align-items: start;
}

/* A vertical stack of sub-panels inside one grid column (e.g. 当前告警 +
   检查历史 stacked in the alerts view's left column). */
.stack-column {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.mini-card {
  position: relative;
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-soft);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}

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

.mini-card strong {
  display: block;
  margin-top: 4px;
  overflow-wrap: anywhere;
  font-size: 18px;
  font-weight: 400;
}

.mini-card.bad {
  border-color: var(--bad-border);
  background: color-mix(in srgb, var(--paper-soft) 86%, var(--red) 14%);
}

.mini-card.warn {
  border-color: var(--warn-border);
  background: color-mix(in srgb, var(--paper-soft) 86%, var(--warn) 14%);
}

.notice-list,
.rule-summary {
  display: grid;
  gap: 10px;
  margin: 12px 0 14px;
}

.notice-row {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  gap: 11px;
  align-items: start;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-soft-bg);
}

.notice-row.warn {
  border-color: var(--warn-border);
  background: color-mix(in srgb, var(--paper-soft) 84%, var(--warn) 16%);
}

.notice-row.bad {
  border-color: var(--bad-border);
  background: color-mix(in srgb, var(--paper-soft) 84%, var(--red) 16%);
}

.notice-dot {
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 999px;
  background: var(--warn);
}

.notice-row.bad .notice-dot {
  background: var(--red);
}

.notice-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--paper-soft);
  font-size: 12px;
  white-space: nowrap;
}

.notice-badge.bad {
  color: var(--red);
  border-color: var(--bad-border);
}

.notice-badge.warn {
  color: var(--warn);
  border-color: var(--warn-border);
}

.quiet-state {
  display: grid;
  min-height: 72px;
  place-items: center;
  padding: 18px;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: var(--panel-faint-bg);
  text-align: center;
}

.wide-state,
.mini-grid > .quiet-state {
  grid-column: 1 / -1;
}

.metric-panel,
.panel,
.sub-panel {
  min-width: 0;
  padding: 16px;
}

.metric-panel span,
.metric-panel small {
  color: var(--muted);
}

.metric-panel strong {
  display: block;
  margin: 8px 0 4px;
  font-size: 27px;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.wide {
  min-width: 0;
}

.chart-box {
  min-height: 260px;
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-soft);
  overflow-x: auto;
}

.traffic-chart {
  min-width: 760px;
  padding: 14px 16px 16px;
}

.traffic-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
}

.traffic-chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.legend-dot.day {
  background: var(--accent);
}

.legend-dot.week {
  background: var(--slate);
}

.traffic-axis {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(420px, 1fr);
  gap: 12px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
}

.axis-ticks {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  min-height: 18px;
  border-bottom: 1px solid var(--line);
}

.axis-ticks span {
  white-space: nowrap;
}

.traffic-chart-rows {
  display: grid;
  gap: 8px;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 4px;
}

.traffic-chart-row {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(420px, 1fr);
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 8px;
  color: inherit;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  text-align: left;
}

.traffic-chart-row:hover,
.traffic-chart-row:focus-visible {
  border-color: var(--line);
  background: var(--panel-card-bg);
}

.traffic-chart-row.compact-other,
.analytics-node-row.compact-other {
  cursor: default;
  color: var(--muted);
  border-style: dashed;
  background: var(--panel-faint-bg);
}

.traffic-chart-row.compact-other:hover,
.analytics-node-row.compact-other:hover {
  transform: none;
}

.traffic-y-label {
  display: -webkit-box;
  overflow: hidden;
  color: var(--ink-soft);
  line-height: 1.3;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.traffic-bars {
  display: grid;
  gap: 5px;
}

.traffic-bar-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-height: 17px;
  background:
    linear-gradient(to right, var(--chart-grid) 1px, transparent 1px) 0 0 / 25% 100%,
    transparent;
}

.bar-svg {
  display: block;
  width: 100%;
  height: 10px;
  overflow: visible;
}

.bar-track-line,
.bar-fill-line {
  fill: none;
  stroke-linecap: round;
  stroke-width: 7;
  vector-effect: non-scaling-stroke;
}

.bar-track-line {
  stroke: var(--paper-wash);
}

.bar-fill-line {
  transform-origin: left center;
  transform-box: view-box;
  animation: kt-grow-x 620ms var(--ease-out) both;
}

.bar-fill-line.day,
.bar-fill-line.total,
.bar-fill-line.down {
  stroke: var(--accent);
}

.bar-fill-line.week {
  stroke: var(--slate);
}

.bar-fill-line.up {
  stroke: var(--fill-up);
}

.bar-fill-line.stacked-segment {
  stroke-width: 8;
}

.traffic-bar-line .bar-svg {
  height: 10px;
}

.traffic-bar {
  display: block;
  height: 8px;
  min-width: 2px;
  border-radius: 999px;
}

.traffic-bar.day {
  background: var(--accent);
}

.traffic-bar.week {
  background: var(--slate);
}

.traffic-value {
  min-width: 74px;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
  white-space: nowrap;
}

.empty-state {
  display: grid;
  min-height: 100%;
  place-items: center;
  padding: 18px;
  color: var(--muted);
  text-align: center;
}

.top-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.top-list li {
  margin: 10px 0;
}

.top-node-button {
  display: grid;
  width: 100%;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 10px;
  color: var(--ink);
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  text-align: left;
}

.top-node-button:hover,
.top-node-button:focus-visible {
  border-color: var(--line);
  background: var(--paper-soft);
}

.rank {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 9px;
  overflow: hidden;
  background: var(--paper-soft);
}

.segmented button {
  min-width: 48px;
  min-height: 34px;
  border: 0;
  border-right: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease);
}

.segmented button:last-child {
  border-right: 0;
}

.segmented button.active {
  color: var(--on-accent);
  background: var(--accent);
}

.theme-switch {
  flex-shrink: 0;
}

.theme-switch button {
  display: grid;
  width: 38px;
  min-width: 38px;
  padding: 0;
  place-items: center;
}

.theme-icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.table-wrap {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--muted);
  background: var(--table-head);
  font-size: 12px;
  font-weight: 400;
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover,
tbody tr.selected {
  background: var(--row-hover);
}

tbody tr.selected {
  outline: 1px solid var(--selected-outline);
  outline-offset: -1px;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.node-name {
  font-weight: 400;
}

.machine-cell {
  display: grid;
  gap: 2px;
}

.traffic-cell,
.health-cell {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.traffic-cell strong,
.health-cell span:first-child {
  color: var(--ink);
  font-weight: 400;
}

.node-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.detail-strip,
.answer-box,
.result-box,
.preview-box {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-soft);
  white-space: pre-wrap;
}

.detail-strip {
  white-space: normal;
}

.result-box:has(.alert-check-card) {
  white-space: normal;
}

.detail-drawer {
  display: grid;
  gap: 12px;
}

.detail-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.detail-title {
  min-width: 0;
}

.detail-title h3 {
  overflow-wrap: anywhere;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.detail-item {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-card-bg);
}

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

.detail-item strong {
  display: block;
  overflow-wrap: anywhere;
  font-weight: 400;
}

.detail-item small {
  display: block;
  margin-top: 3px;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 12px;
}

.node-binding-editor {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(220px, 1.4fr) auto;
  gap: 12px;
  align-items: end;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.binding-current {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.binding-current span,
.binding-select span {
  color: var(--muted);
  font-size: 12px;
}

.binding-current strong {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-weight: 400;
}

.binding-current small {
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 12px;
}

.binding-select {
  min-width: 0;
}

.binding-select select {
  width: 100%;
}

.binding-editor-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.inline-form {
  flex-wrap: wrap;
  margin-top: 12px;
}

.inline-form input {
  width: 86px;
}

.inline-form select {
  width: auto;
}

.schedule-editor {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-faint-bg);
}

.schedule-editor .inline-form,
.schedule-editor .check-row {
  align-self: end;
  margin-top: 0;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check-row input {
  width: auto;
  min-height: 0;
}

.check-row input[type="checkbox"] {
  accent-color: var(--accent);
  transition: none;
}

.check-row input[type="checkbox"]:focus {
  border-color: var(--line);
  box-shadow: none;
}

.check-row input[type="checkbox"]:focus-visible {
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.action-band {
  margin-top: 14px;
  padding-top: 2px;
}

.preview-box {
  min-height: 240px;
  max-height: 460px;
  overflow: auto;
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 14px;
}

.ai-box {
  align-items: stretch;
  margin-top: 12px;
}

.ai-box textarea {
  flex: 1;
}

.prompt-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.ai-prompt.active {
  color: var(--on-accent);
  border-color: var(--accent-dark);
  background: var(--accent);
}

.panel-head-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: color 0.18s var(--ease);
}

.panel-head-toggle:hover {
  color: var(--accent);
}

.panel-head-toggle .toggle-icon {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: transform 0.24s var(--ease);
}

.panel-head-toggle[aria-expanded="true"] .toggle-icon {
  transform: rotate(90deg);
}

.collapsible-body {
  margin-top: 12px;
}

.history-row {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft-bg);
  margin-bottom: 8px;
}

.history-question {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.history-question strong {
  flex: 1;
  min-width: 0;
  font-weight: 400;
  color: var(--ink);
}

.history-time {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--muted);
}

.history-answer {
  padding: 8px 0;
}

.history-answer-text {
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.5;
}

.history-expand-btn {
  margin-top: 6px;
  font-size: 13px;
}

.history-reask-btn {
  justify-self: start;
  font-size: 13px;
}

.source-row,
.alert-row,
.schedule-row,
.task-run-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft-bg);
}

.source-row > span,
.alert-row > span,
.schedule-row > span,
.task-run-row > span {
  min-width: 0;
}

.source-row strong,
.alert-row strong,
.schedule-row strong,
.task-run-row strong {
  font-weight: 400;
}

.task-run-row.failed {
  border-color: var(--bad-border);
}

.pagination-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.pagination-info {
  font-size: 13px;
  color: var(--muted);
  min-width: 50px;
  text-align: center;
}

.source-row.bad {
  border-color: var(--bad-border);
  background: color-mix(in srgb, var(--paper-soft) 84%, var(--red) 16%);
}

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

.rule-chip {
  display: grid;
  min-width: 0;
  gap: 3px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-faint-bg);
}

.rule-chip span {
  color: var(--muted);
  font-size: 12px;
}

.rule-chip strong {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-weight: 400;
}

.range-controls {
  flex-wrap: wrap;
  margin: 12px 0;
}

.range-controls input,
.range-controls select {
  width: auto;
  min-width: 150px;
}

.range-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.analytics-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: 12px;
}

.analytics-panel {
  min-width: 0;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft-bg);
}

.analytics-wide {
  min-height: 320px;
}

.compact-head {
  margin-bottom: 10px;
}

.compact-head h3 {
  font-size: 17px;
}

.analytics-axis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 0 6px 124px;
  color: var(--muted);
  font-size: 11px;
}

.analytics-axis span:nth-child(2) {
  text-align: center;
}

.analytics-axis span:last-child {
  text-align: right;
}

.analytics-group-list,
.analytics-node-bars {
  display: grid;
  gap: 8px;
  max-height: 460px;
  overflow-y: auto;
  padding-right: 4px;
}

.analytics-group-row {
  display: grid;
  grid-template-columns: 112px minmax(160px, 1fr) 86px;
  gap: 10px;
  align-items: center;
}

.analytics-label {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.analytics-track {
  position: relative;
  display: block;
  height: 14px;
  overflow: visible;
  border: 0;
  border-radius: 999px;
  background: transparent;
}

.analytics-track .bar-svg {
  position: absolute;
  inset: 0;
  height: 100%;
}

.analytics-fill {
  position: absolute;
  inset-block: 0;
  left: 0;
  min-width: 2px;
  border-radius: 999px;
}

.analytics-fill.total {
  background: var(--accent);
}

.analytics-fill.down {
  background: var(--accent);
}

.analytics-fill.up {
  background: var(--fill-up);
}

.analytics-node-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  width: 100%;
  padding: 9px;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-faint-bg);
  text-align: left;
}

.analytics-node-row:hover,
.analytics-node-row:focus-visible {
  border-color: var(--line-strong);
  background: var(--paper-soft);
}

.analytics-rank {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.analytics-node-main {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.analytics-node-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.analytics-value {
  color: var(--ink-soft);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.compact-note {
  padding: 8px 10px;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--panel-faint-bg);
  font-size: 12px;
}

.config-editor {
  display: grid;
  gap: 14px;
}

.config-group {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft-bg);
}

.config-group-title {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 400;
}

.config-group-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.config-field {
  display: grid;
  min-width: 0;
  gap: 7px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-faint-bg);
  color: var(--ink-soft);
  font-size: 13px;
}

.config-field > span,
.config-toggle strong {
  color: var(--ink);
  font-weight: 400;
}

.config-field small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.38;
}

.config-field input {
  min-width: 0;
}

.config-toggle {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.config-toggle input[type="checkbox"] {
  width: 42px;
  min-width: 42px;
  height: 24px;
  min-height: 24px;
  appearance: none;
  border-radius: 999px;
  padding: 0;
  background: var(--paper-wash);
  border-color: var(--line-strong);
  transition: background 140ms ease, border-color 140ms ease;
}

.config-toggle input[type="checkbox"]::after {
  content: "";
  display: block;
  width: 18px;
  height: 18px;
  margin: 2px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 1px 3px rgba(62, 44, 29, 0.18);
  transition: transform 140ms ease;
}

.config-toggle input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent-dark);
}

.config-toggle input[type="checkbox"]:checked::after {
  transform: translateX(18px);
}

.maintenance-panel {
  margin-top: 14px;
}

.maintenance-actions {
  margin-top: 12px;
}

.muted-row {
  opacity: 0.74;
}

.schedule-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.alert-check-card {
  display: grid;
  gap: 8px;
}

.alert-check-card strong {
  color: var(--ink);
  font-weight: 400;
}

.alert-check-card p {
  margin: 4px 0 0;
}

.alert-check-card ul {
  margin: 0;
  padding-left: 18px;
}

.alert-check-card.bad strong {
  color: var(--red);
}

.alert-check-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

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

@media (max-width: 1100px) {
  .mini-grid,
  .detail-grid,
  .range-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compact-grid,
  .analytics-grid {
    grid-template-columns: 1fr;
  }

  .config-group-grid {
    grid-template-columns: 1fr;
  }

  .rule-summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .app-shell,
  .app-shell.sidebar-collapsed {
    grid-template-columns: 1fr;
  }

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

  .sidebar-head,
  .app-shell.sidebar-collapsed .sidebar-head {
    grid-template-columns: 1fr;
    justify-items: start;
    padding-bottom: 12px;
  }

  .sidebar-toggle {
    display: none;
  }

  .app-shell.sidebar-collapsed .brand-copy,
  .app-shell.sidebar-collapsed .nav-text {
    width: auto;
    opacity: 1;
    pointer-events: auto;
  }

  .app-shell.sidebar-collapsed .brand {
    justify-content: flex-start;
  }

  nav {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }

  .nav-link,
  .app-shell.sidebar-collapsed .nav-link {
    justify-content: center;
    padding: 9px 6px;
    text-align: center;
  }

  .metrics-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .panel-head,
  .ai-box,
  .detail-main,
  .node-binding-editor {
    align-items: flex-start;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .route-toolbar {
    width: 100%;
    min-height: auto;
    margin-bottom: 10px;
  }

  .route-toolbar .segmented {
    width: 100%;
  }

  .top-actions,
  .detail-actions,
  .binding-editor-actions {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .schedule-editor {
    grid-template-columns: 1fr;
  }

  .schedule-row {
    flex-direction: column;
  }

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

@media (max-width: 520px) {
  body {
    font-size: 14px;
  }

  .workspace {
    padding: 14px;
  }

  .sidebar {
    padding: 14px;
  }

  .metric-panel strong {
    font-size: 21px;
  }

  .mini-grid,
  .detail-grid,
  .range-summary,
  .range-columns {
    grid-template-columns: 1fr;
  }

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

  .nav-link {
    gap: 6px;
  }

  .nav-icon {
    width: 26px;
    min-width: 26px;
    height: 26px;
    padding: 4px;
  }

  .segmented {
    width: 100%;
  }

  .segmented button {
    flex: 1;
    min-width: 0;
  }

  .traffic-chart {
    min-width: 620px;
  }

  .traffic-axis,
  .traffic-chart-row {
    grid-template-columns: 150px minmax(360px, 1fr);
  }

  .analytics-axis {
    margin-left: 0;
  }

  .analytics-group-row {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
  }

  .analytics-node-row {
    grid-template-columns: 24px minmax(0, 1fr);
  }

  .analytics-node-row .analytics-value {
    grid-column: 2;
    text-align: left;
  }
}

/* ============================================================
   Motion system — calm, subtle, Claude-like
   Most entrances replay automatically: route views animate when
   display flips from none→block; collections animate because
   innerHTML insertion creates fresh nodes.
   ============================================================ */

:root {
  --skeleton-base: #ece6da;
  --skeleton-sheen: rgba(255, 255, 255, 0.62);
}

:root[data-theme="dark"] {
  --skeleton-base: #34322c;
  --skeleton-sheen: rgba(255, 255, 255, 0.07);
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] {
    --skeleton-base: #34322c;
    --skeleton-sheen: rgba(255, 255, 255, 0.07);
  }
}

@keyframes kt-fade-in-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes kt-view-enter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes kt-grow-x {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes kt-shimmer {
  100% {
    transform: translateX(100%);
  }
}

@keyframes kt-pop {
  0% {
    opacity: 0.35;
    transform: translateY(4px);
  }
  60% {
    transform: translateY(-1px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes kt-progress-slide {
  0% {
    left: -42%;
    width: 42%;
  }
  50% {
    left: 28%;
    width: 54%;
  }
  100% {
    left: 100%;
    width: 42%;
  }
}

/* --- Whole-view entrance: a soft fade on every route show. This is a smooth
   transition over already-correct content, not a flash, so it stays. --- */
.route-view:not(.hidden) {
  animation: kt-view-enter 300ms var(--ease-out) both;
}

/* Once a view has completed its first load (JS sets data-loaded), suppress the
   per-item staggered entrance and bar-grow animations. They're meant as a
   first-paint reveal; replaying them when the view is re-shown or its content
   is swapped during a silent background refresh is what caused the "闪一下"
   flash. The whole-view fade above still plays for a gentle transition. */
.route-view[data-loaded] :is(
    .metric-panel,
    .mini-card,
    #top-list li,
    .stacked > *,
    .traffic-chart-row,
    .analytics-group-row,
    .analytics-node-row,
    .detail-item,
    .config-group,
    #nodes-table tr,
    .traffic-bar,
    .bar-fill,
    .bar-fill-line,
    .analytics-fill
  ) {
  animation: none !important;
}

.login-panel {
  animation: kt-view-enter 380ms var(--ease-out) both;
}

/* --- Staggered entrance for freshly-rendered collections --- */
:is(
    .metrics-grid > .metric-panel,
    .mini-grid > .mini-card,
    #top-list li,
    .stacked > *,
    .traffic-chart-rows > .traffic-chart-row,
    .analytics-group-list > .analytics-group-row,
    .analytics-node-bars > .analytics-node-row,
    .detail-grid > .detail-item,
    .config-editor > .config-group,
    #nodes-table tr
  ) {
  animation: kt-fade-in-up 360ms var(--ease-out) both;
}

:is(
    .metrics-grid > .metric-panel,
    .mini-grid > .mini-card,
    #top-list li,
    .stacked > *,
    .traffic-chart-rows > .traffic-chart-row,
    .analytics-group-list > .analytics-group-row,
    .analytics-node-bars > .analytics-node-row,
    .detail-grid > .detail-item,
    .config-editor > .config-group,
    #nodes-table tr
  ):nth-child(2) {
  animation-delay: 45ms;
}
:is(
    .metrics-grid > .metric-panel,
    .mini-grid > .mini-card,
    #top-list li,
    .stacked > *,
    .traffic-chart-rows > .traffic-chart-row,
    .analytics-group-list > .analytics-group-row,
    .analytics-node-bars > .analytics-node-row,
    .detail-grid > .detail-item,
    .config-editor > .config-group,
    #nodes-table tr
  ):nth-child(3) {
  animation-delay: 90ms;
}
:is(
    .metrics-grid > .metric-panel,
    .mini-grid > .mini-card,
    #top-list li,
    .stacked > *,
    .traffic-chart-rows > .traffic-chart-row,
    .analytics-group-list > .analytics-group-row,
    .analytics-node-bars > .analytics-node-row,
    .detail-grid > .detail-item,
    .config-editor > .config-group,
    #nodes-table tr
  ):nth-child(4) {
  animation-delay: 135ms;
}
:is(
    .metrics-grid > .metric-panel,
    .mini-grid > .mini-card,
    #top-list li,
    .stacked > *,
    .traffic-chart-rows > .traffic-chart-row,
    .analytics-group-list > .analytics-group-row,
    .analytics-node-bars > .analytics-node-row,
    .detail-grid > .detail-item,
    .config-editor > .config-group,
    #nodes-table tr
  ):nth-child(5) {
  animation-delay: 180ms;
}
:is(
    .mini-grid > .mini-card,
    #top-list li,
    .stacked > *,
    .traffic-chart-rows > .traffic-chart-row,
    .analytics-group-list > .analytics-group-row,
    .analytics-node-bars > .analytics-node-row,
    .detail-grid > .detail-item,
    #nodes-table tr
  ):nth-child(6) {
  animation-delay: 225ms;
}
:is(
    .mini-grid > .mini-card,
    #top-list li,
    .stacked > *,
    .traffic-chart-rows > .traffic-chart-row,
    .analytics-group-list > .analytics-group-row,
    .analytics-node-bars > .analytics-node-row,
    .detail-grid > .detail-item,
    #nodes-table tr
  ):nth-child(7) {
  animation-delay: 270ms;
}
:is(
    #top-list li,
    .stacked > *,
    .traffic-chart-rows > .traffic-chart-row,
    .analytics-group-list > .analytics-group-row,
    .analytics-node-bars > .analytics-node-row,
    #nodes-table tr
  ):nth-child(n + 8) {
  animation-delay: 310ms;
}

/* --- Chart bars grow from the left (works regardless of inline width) --- */
.traffic-bar,
.bar-fill,
.bar-fill-line {
  transform-origin: left center;
  animation: kt-grow-x 620ms var(--ease-out) both;
}

.analytics-fill {
  transform-origin: left center;
  animation: kt-grow-x 680ms var(--ease-out) both;
}

/* --- Smooth hover for interactive rows --- */
.top-node-button,
.traffic-chart-row,
.analytics-node-row,
.source-row,
.status-row,
.alert-row,
.schedule-row,
.task-run-row {
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease),
    transform 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.top-node-button:hover,
.analytics-node-row:hover {
  transform: translateY(-1px);
}

/* --- Metric value pop (used by JS for non-numeric values) --- */
.kt-pop {
  animation: kt-pop 0.42s var(--ease-out) both;
}

/* --- Nav active indicator: hide where it doesn't fit --- */
.app-shell.sidebar-collapsed .nav-link::before {
  display: none;
}

@media (max-width: 920px) {
  .nav-link::before {
    display: none;
  }
}

/* --- Top route-loading progress bar --- */
.route-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2.5px;
  z-index: 2000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.route-progress::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  border-radius: 0 2px 2px 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  box-shadow: 0 0 10px var(--accent-soft);
}

.route-progress.loading {
  opacity: 1;
}

.route-progress.loading::before {
  width: 42%;
  animation: kt-progress-slide 1.05s var(--ease) infinite;
}

.route-progress.done {
  opacity: 1;
}

.route-progress.done::before {
  left: 0;
  width: 100%;
  animation: none;
  transition: width 0.3s var(--ease-out);
}

/* --- Skeleton placeholders (shimmer) --- */
.kt-skeleton {
  position: relative;
  overflow: hidden;
  background: var(--skeleton-base);
  border-radius: 8px;
}

.kt-skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, var(--skeleton-sheen), transparent);
  animation: kt-shimmer 1.3s var(--ease) infinite;
}

.kt-skel-stack {
  display: grid;
  gap: 10px;
}

.kt-skel-line {
  height: 12px;
}

.kt-skel-line.lg {
  width: 84%;
}

.kt-skel-card {
  height: 84px;
  border-radius: 12px;
}

.kt-skel-row {
  height: 56px;
  border-radius: 10px;
}

.kt-skel-chart {
  height: 232px;
  margin: 14px;
  border-radius: 10px;
}

/* --- Respect reduced-motion: collapse all motion to instant --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }

  .route-progress {
    display: none;
  }

  .kt-skeleton::after {
    display: none;
  }
}

/* --- Toast notifications --- */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  min-width: 280px;
  max-width: 420px;
  padding: 14px 16px;
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  color: var(--ink);
  font-size: 14px;
  pointer-events: auto;
  opacity: 0;
  transform: translateX(24px);
  animation: toast-enter 0.3s var(--ease-out) forwards;
}

.toast.toast-exit {
  animation: toast-exit 0.25s var(--ease) forwards;
}

.toast.success {
  border-color: var(--good-border);
  background: color-mix(in srgb, var(--panel-bg) 92%, var(--green) 8%);
}

.toast.error {
  border-color: var(--bad-border);
  background: color-mix(in srgb, var(--panel-bg) 92%, var(--red) 8%);
}

.toast.warn {
  border-color: var(--warn-border);
  background: color-mix(in srgb, var(--panel-bg) 92%, var(--warn) 8%);
}

@keyframes toast-enter {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toast-exit {
  to {
    opacity: 0;
    transform: translateX(24px);
  }
}

@keyframes kt-spinner {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 520px) {
  #toast-container {
    top: 10px;
    right: 10px;
    left: 10px;
  }

  .toast {
    min-width: 0;
    max-width: 100%;
  }
}