* { box-sizing: border-box; }

[x-cloak] { display: none !important; }

html { color-scheme: dark; background: var(--color-bg-base); }

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-bg-base);
  color: var(--color-text-primary);
  font-family: var(--font-family-sans);
  font-size: var(--primitive-font-base);
  line-height: 1.55;
}

button, input { font: inherit; }

button { color: inherit; }

.page {
  width: min(100% - 2rem, 760px);
  margin: 0 auto;
  padding: clamp(2rem, 7vw, 5rem) 0 5rem;
}

.page--wide { width: min(100% - 2rem, 1120px); }

.page-header { margin-bottom: var(--primitive-spacing-8); }

.page-header h1 {
  margin: 0 0 var(--primitive-spacing-3);
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.page-header p {
  max-width: 68ch;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--primitive-font-md);
}

.search-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--primitive-spacing-3);
}

.search-input {
  min-width: 0;
  height: 48px;
  padding: 0 var(--primitive-spacing-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--primitive-radius-md);
  outline: 0;
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  font-family: var(--font-family-mono);
  transition: border-color var(--primitive-duration-fast), box-shadow var(--primitive-duration-fast);
}

.search-input::placeholder { color: var(--color-text-muted); }
.search-input:focus { border-color: var(--color-accent-active); box-shadow: 0 0 0 3px rgb(232 166 40 / 16%); }

.btn {
  min-height: 44px;
  padding: 0 var(--primitive-spacing-5);
  border: 1px solid transparent;
  border-radius: var(--primitive-radius-md);
  cursor: pointer;
  font-weight: 700;
  transition: background var(--primitive-duration-fast), border-color var(--primitive-duration-fast), transform var(--primitive-duration-fast);
}

.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:focus-visible, .examples button:focus-visible, .result-tabs button:focus-visible { outline: 2px solid var(--color-accent-active-bright); outline-offset: 3px; }
.btn:disabled { cursor: wait; opacity: 0.72; }
.btn-primary { background: var(--color-accent-active); color: var(--primitive-color-graphite-950); }
.btn-primary:hover:not(:disabled) { background: var(--color-accent-active-bright); }

.examples { margin: var(--primitive-spacing-3) 0 0; color: var(--color-text-muted); font-size: var(--primitive-font-sm); }
.examples button { padding: 0; border: 0; background: transparent; color: var(--color-accent-info-bright); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

.notice { margin-top: var(--primitive-spacing-5); padding: var(--primitive-spacing-4); border-radius: var(--primitive-radius-md); }
.notice--error { border: 1px solid var(--color-accent-danger-border); background: var(--color-accent-danger-bg); color: var(--color-accent-danger-bright); }

.results { margin-top: var(--primitive-spacing-10); animation: reveal-results 420ms cubic-bezier(.16, 1, .3, 1); }
@keyframes reveal-results { from { opacity: .72; transform: translateY(8px); clip-path: inset(0 0 12% 0); } to { opacity: 1; transform: none; clip-path: inset(0); } }

.route-summary {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--primitive-radius-lg);
  background: var(--color-bg-elevated);
  box-shadow: 0 12px 34px rgb(0 0 0 / 24%);
}
.route-summary--current { box-shadow: inset 0 1px 0 var(--color-accent-success-border), 0 12px 34px rgb(0 0 0 / 24%); }
.route-summary--degraded, .route-summary--uninitialized { box-shadow: inset 0 1px 0 var(--color-accent-active-border), 0 12px 34px rgb(0 0 0 / 24%); }
.route-summary__lead { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--primitive-spacing-2) var(--primitive-spacing-3); }
.route-summary__input { color: var(--route-prefix); font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 600; }
.route-summary__sentence { color: var(--color-text-secondary); }
.route-summary__badges { display: flex; flex-wrap: wrap; gap: var(--primitive-spacing-2); margin-top: var(--primitive-spacing-4); }

.badge { display: inline-flex; align-items: center; width: fit-content; padding: .24rem .55rem; border: 1px solid transparent; border-radius: var(--badge-radius); background: var(--badge-bg-neutral); color: var(--badge-fg-neutral); font-size: var(--badge-font-size); font-weight: 700; line-height: 1.3; text-transform: uppercase; letter-spacing: .04em; }
.badge--info { border-color: var(--badge-border-info); background: var(--badge-bg-info); color: var(--badge-fg-info); }
.badge--success { border-color: var(--badge-border-success); background: var(--badge-bg-success); color: var(--badge-fg-success); }
.badge--warning { border-color: var(--badge-border-warning); background: var(--badge-bg-warning); color: var(--badge-fg-warning); }
.badge--danger { border-color: var(--badge-border-danger); background: var(--badge-bg-danger); color: var(--badge-fg-danger); }

.metric-strip { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--primitive-spacing-5); margin: var(--primitive-spacing-6) 0 0; padding-top: var(--primitive-spacing-5); border-top: 1px solid var(--color-border-default); }
.metric-strip div { min-width: 0; }
.metric-strip dt { color: var(--color-text-muted); font-size: var(--primitive-font-xs); font-weight: 700; letter-spacing: .045em; text-transform: uppercase; }
.metric-strip dd { margin: var(--primitive-spacing-1) 0 0; overflow-wrap: anywhere; font-weight: 600; }

.reference-view {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--primitive-spacing-6);
  margin-top: var(--primitive-spacing-5);
  padding: var(--primitive-spacing-5);
  border: 1px solid var(--color-border-default);
  border-radius: var(--primitive-radius-lg);
  background: var(--color-bg-surface);
}
.reference-view--error { border-color: var(--color-accent-danger-border); }
.reference-view h2 { margin: 0 0 var(--primitive-spacing-1); font-size: var(--primitive-font-md); }
.reference-view p { max-width: 58ch; margin: 0; color: var(--color-text-secondary); font-size: var(--primitive-font-sm); }
.reference-view__facts { display: grid; grid-template-columns: 1fr 1fr; gap: var(--primitive-spacing-3) var(--primitive-spacing-5); margin: 0; }
.reference-view__facts dt { color: var(--color-text-muted); font-size: var(--primitive-font-xs); }
.reference-view__facts dd { margin: var(--primitive-spacing-1) 0 0; overflow-wrap: anywhere; font-weight: 600; }

.route-story { margin-top: var(--primitive-spacing-10); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: var(--primitive-spacing-6); margin-bottom: var(--primitive-spacing-4); }
.section-heading h2, .history-heading h2 { margin: 0 0 var(--primitive-spacing-1); font-size: var(--primitive-font-xl); letter-spacing: -.02em; }
.section-heading p, .history-heading p { max-width: 66ch; margin: 0; color: var(--color-text-secondary); font-size: var(--primitive-font-sm); }
.route-story__legend { display: flex; flex: none; align-items: center; gap: var(--primitive-spacing-2); color: var(--color-text-muted); font-size: var(--primitive-font-xs); }
.route-story__legend i, .route-story__legend b { width: 10px; height: 10px; border-radius: 3px; background: var(--color-accent-info-bg); border: 1px solid var(--route-transit); }
.route-story__legend b { margin-left: var(--primitive-spacing-2); background: var(--color-accent-active-bg); border-color: var(--route-prefix); }
.route-story__canvas { min-height: 128px; overflow-x: auto; overscroll-behavior-inline: contain; padding: var(--primitive-spacing-4); border-radius: var(--primitive-radius-lg); background: var(--color-bg-inset); scrollbar-color: var(--color-border-strong) transparent; }
.route-story__canvas svg { display: block; max-height: 470px; }
.route-svg__edge { stroke: var(--color-border-strong); stroke-width: 1.5; }
.route-svg__node { fill: var(--color-accent-info-bg); stroke: var(--color-accent-info-border); }
.route-svg__node--origin { fill: var(--color-accent-active-bg); stroke: var(--color-accent-active-border); }
.route-svg__asn, .route-svg__peers, .route-svg__prefix { fill: var(--color-accent-info-bright); font-family: var(--font-family-mono); font-size: 12px; font-weight: 600; }
.route-svg__asn--origin, .route-svg__prefix { fill: var(--route-prefix); }
.route-svg__name { fill: var(--color-text-secondary); font-family: var(--font-family-sans); font-size: 10px; font-weight: 500; }
.route-svg__asn--origin .route-svg__name { fill: var(--color-accent-active-bright); }
.route-svg__peers { fill: var(--color-text-muted); font-family: var(--font-family-sans); font-size: 11px; }

.result-tabs { display: flex; gap: var(--primitive-spacing-1); margin-top: var(--primitive-spacing-10); overflow-x: auto; border-bottom: 1px solid var(--color-border-default); scrollbar-width: none; }
.result-tabs::-webkit-scrollbar { display: none; }
.result-tabs button { flex: none; padding: var(--primitive-spacing-3) var(--primitive-spacing-4); border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--color-text-secondary); cursor: pointer; font-weight: 600; }
.result-tabs button:hover { color: var(--color-text-primary); }
.result-tabs .result-tabs__button--active { border-bottom-color: var(--color-accent-active); color: var(--color-accent-active-bright); }

.tab-panel { padding-top: var(--primitive-spacing-6); }
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: var(--primitive-spacing-5); }
.data-card { padding: var(--primitive-spacing-5); border-radius: var(--primitive-radius-lg); background: var(--color-bg-elevated); }
.data-card h3 { margin: 0 0 var(--primitive-spacing-4); font-size: var(--primitive-font-md); }
.health-card { margin-top: var(--primitive-spacing-5); }
.facts-grid { display: grid; grid-template-columns: minmax(8rem, .8fr) minmax(0, 1.4fr); gap: var(--primitive-spacing-2) var(--primitive-spacing-5); margin: 0; }
.facts-grid dt { color: var(--facts-label); }
.facts-grid dd { margin: 0; color: var(--facts-value); overflow-wrap: anywhere; text-align: left; }
.prefix-list { display: flex; flex-wrap: wrap; gap: var(--primitive-spacing-2); margin: var(--primitive-spacing-4) 0 0; padding: 0; list-style: none; }
.prefix-list li { padding: .2rem .45rem; border-radius: var(--primitive-radius-sm); background: var(--color-bg-inset); color: var(--color-accent-info-bright); font-family: var(--font-family-mono); font-size: var(--primitive-font-xs); }
.field-guide { margin-top: var(--primitive-spacing-5); padding-top: var(--primitive-spacing-4); border-top: 1px solid var(--color-border-default); color: var(--color-text-secondary); font-size: var(--primitive-font-sm); }
.field-guide > p { margin: 0 0 var(--primitive-spacing-4); }
.field-guide dl { display: grid; gap: var(--primitive-spacing-3); margin: 0; }
.field-guide dl div { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: var(--primitive-spacing-3); }
.field-guide dt { color: var(--color-text-primary); font-weight: 600; }
.field-guide dd { margin: 0; }
.field-guide--plain { margin-bottom: 0; }
.coverage-note { max-width: 72ch; margin: var(--primitive-spacing-5) 0 0; color: var(--color-text-secondary); }

.table-scroll { width: 100%; overflow-x: auto; border-radius: var(--primitive-radius-lg); background: var(--color-bg-elevated); }
table { width: 100%; min-width: 700px; border-collapse: collapse; }
th, td { padding: var(--primitive-spacing-3) var(--primitive-spacing-4); border-bottom: 1px solid var(--color-border-default); text-align: left; vertical-align: top; }
th { color: var(--color-text-muted); font-size: var(--primitive-font-xs); letter-spacing: .04em; text-transform: uppercase; }
tbody tr:last-child td { border-bottom: 0; }
.path-cell { color: var(--color-accent-info-bright); }
.paths-table { table-layout: fixed; }
.paths-table__peers { width: 8%; }
.paths-table__path { width: 60%; }
.paths-table__collectors { width: 14%; }
.paths-table__observed { width: 18%; }
.path-sequence { display: flex; flex-wrap: wrap; gap: var(--primitive-spacing-1) var(--primitive-spacing-2); line-height: 1.7; }
.path-sequence > span { display: inline-flex; gap: var(--primitive-spacing-2); }
.path-asn { white-space: nowrap; }
.path-arrow { color: var(--color-text-muted); }
.collectors-cell { min-width: 0; }
.collectors-ellipsis { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: help; }

.history-heading { display: flex; justify-content: space-between; align-items: start; gap: var(--primitive-spacing-5); }
.timeline { margin: var(--primitive-spacing-8) 0 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 9rem 14px minmax(0, 1fr); gap: var(--primitive-spacing-4); position: relative; padding-bottom: var(--primitive-spacing-6); }
.timeline li:not(:last-child)::after { content: ""; position: absolute; left: calc(9rem + var(--primitive-spacing-4) + 6px); top: 14px; bottom: 0; width: 1px; background: var(--color-border-default); }
.timeline time { color: var(--color-text-muted); font-size: var(--primitive-font-xs); }
.timeline__marker { z-index: 1; width: 12px; height: 12px; margin-top: 4px; border: 2px solid var(--route-transit); border-radius: 50%; background: var(--color-bg-base); }
.timeline__marker--warning { border-color: var(--route-prefix); }
.timeline__marker--danger { border-color: var(--route-concern); }
.timeline h3 { margin: 0; font-size: var(--primitive-font-base); }
.timeline p { margin: var(--primitive-spacing-1) 0; color: var(--color-text-secondary); }
.timeline__meta { color: var(--color-text-muted); font-size: var(--primitive-font-xs); }

.history-setup { margin-top: var(--primitive-spacing-6); padding: var(--primitive-spacing-5); border-radius: var(--primitive-radius-lg); background: var(--color-bg-elevated); }
.history-setup h3 { margin: 0 0 var(--primitive-spacing-2); font-size: var(--primitive-font-md); }
.history-setup > p { max-width: 74ch; margin: 0; color: var(--color-text-secondary); }
.history-setup ol { display: grid; gap: var(--primitive-spacing-4); margin: var(--primitive-spacing-5) 0 0; padding-left: 1.25rem; }
.history-setup li { padding-left: var(--primitive-spacing-2); }
.history-setup li span { display: block; margin-bottom: var(--primitive-spacing-2); }
.history-setup code { display: block; overflow-x: auto; padding: var(--primitive-spacing-3); border-radius: var(--primitive-radius-md); background: var(--color-bg-inset); color: var(--color-accent-info-bright); font-family: var(--font-family-mono); font-size: var(--primitive-font-xs); white-space: nowrap; }

.empty-state { margin-top: var(--primitive-spacing-8); padding: var(--primitive-spacing-8); border: 1px dashed var(--color-border-strong); border-radius: var(--primitive-radius-lg); text-align: center; }
.empty-state--compact { margin-top: var(--primitive-spacing-6); padding: var(--primitive-spacing-6); }
.empty-state h2, .empty-state h3 { margin: 0 0 var(--primitive-spacing-2); }
.empty-state p { max-width: 65ch; margin: 0 auto; color: var(--color-text-secondary); }

.mono { font-family: var(--font-family-mono); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.pathlens-embedded body { background: transparent; }
.pathlens-embedded .page { width: min(100% - 2rem, 1120px); padding-top: var(--primitive-spacing-8); }

@media (max-width: 760px) {
  .metric-strip { grid-template-columns: 1fr 1fr; }
  .reference-view { grid-template-columns: 1fr; }
  .panel-grid { grid-template-columns: 1fr; }
  .section-heading, .history-heading { align-items: start; flex-direction: column; gap: var(--primitive-spacing-3); }
}

@media (max-width: 520px) {
  .page, .page--wide { width: min(100% - 1.25rem, 1120px); padding-top: var(--primitive-spacing-8); }
  .search-bar { grid-template-columns: 1fr; }
  .search-bar .btn { width: 100%; }
  .route-summary { padding: var(--primitive-spacing-5); }
  .metric-strip { gap: var(--primitive-spacing-4); }
  .result-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .result-tabs button { padding-inline: var(--primitive-spacing-2); text-align: center; }
  .facts-grid { grid-template-columns: 1fr; gap: var(--primitive-spacing-1); }
  .facts-grid dd { margin-bottom: var(--primitive-spacing-3); }
  .field-guide dl div { grid-template-columns: 1fr; gap: var(--primitive-spacing-1); }
  .timeline li { grid-template-columns: 12px minmax(0, 1fr); gap: var(--primitive-spacing-3); }
  .timeline time { grid-column: 2; }
  .timeline__marker { grid-column: 1; grid-row: 1 / span 2; }
  .timeline li:not(:last-child)::after { left: 5px; top: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}