:root {
  color-scheme: light dark;
  --bg: #f7f7f8;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #666;
  --border: #ddd;
  --accent: #2563eb;
  --error: #b91c1c;
  --success: #15803d;
  --warning: #a16207;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827;
    --surface: #1f2937;
    --text: #f9fafb;
    --muted: #9ca3af;
    --border: #374151;
    --accent: #60a5fa;
    --error: #fca5a5;
    --success: #86efac;
    --warning: #fcd34d;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
}

.site-header nav {
  display: flex;
  gap: 1rem;
}

.site-header a {
  color: var(--accent);
  text-decoration: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.hero h1 {
  margin-top: 0;
}

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

.button,
.demo-form button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.65rem 1.2rem;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
}

.demo-form button:disabled {
  opacity: 0.75;
  cursor: wait;
}

.search-loading {
  color: var(--muted);
  font-size: 0.95rem;
}

.demo-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
  align-items: start;
}

.demo-top-form {
  min-width: 0;
}

.demo-form {
  display: grid;
  gap: 1rem;
  max-width: none;
  margin-bottom: 0;
}

.demo-form label {
  display: grid;
  gap: 0.35rem;
}

.demo-form button[disabled] {
  opacity: 0.75;
  cursor: wait;
}

.metrics-note {
  font-size: 0.88rem;
  margin-top: -0.25rem;
  margin-bottom: 0;
}

.location-panel h2 {
  margin-top: 0;
  font-size: 1.05rem;
}

.place-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.place-address {
  margin: 0 0 0.75rem;
}

.place-maps-link {
  margin: 0 0 0.75rem;
}

.place-maps-link a {
  color: var(--accent);
}

.map-preview {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.map-preview iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 768px) {
  .demo-top {
    grid-template-columns: 1fr;
  }
}

.demo-form input[type="text"],
.demo-form select {
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}

.checkbox {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.5rem;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.alert-error {
  background: color-mix(in srgb, var(--error) 15%, transparent);
  border: 1px solid var(--error);
  color: var(--error);
}

.results h2 {
  margin-top: 0;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.card h3 {
  margin-top: 0;
  font-size: 0.95rem;
}

.prediction {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
}

.prediction-yes { color: var(--success); }
.prediction-no { color: var(--error); }
.prediction-unknown { color: var(--warning); }

.validation-ok { color: var(--success); }
.validation-flagged { color: var(--warning); }
.validation-failed { color: var(--error); }

.route-success { color: var(--success); }
.route-needs_review { color: var(--warning); }
.route-failed { color: var(--error); }

.validation-status.validation-verified { color: var(--success); }
.validation-status.validation-conflict { color: var(--error); }
.validation-status.validation-unavailable { color: var(--warning); }
.validation-status.validation-structured_only { color: var(--warning); }

.structured-validation .validation-entry {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.compact-list {
  margin: 0;
  padding-left: 1.2rem;
}

.error-inline {
  color: var(--error);
}

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

.evidence-table {
  table-layout: fixed;
  width: 100%;
}

.evidence-table .col-snippet { width: 50%; }
.evidence-table .col-source-type { width: 10%; }
.evidence-table .col-source { width: 12%; }
.evidence-table .col-url { width: 20%; }
.evidence-table .col-reliability { width: 8%; }

.evidence-table .cell-snippet {
  word-wrap: break-word;
  overflow-wrap: anywhere;
}

.evidence-table .cell-compact {
  white-space: nowrap;
}

.evidence-table .cell-url,
.execution-details .cell-url {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 0;
}

.evidence-table .cell-url a,
.execution-details .cell-url a {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--accent);
}

.execution-details h4 {
  margin: 1.25rem 0 0.5rem;
  font-size: 0.9rem;
}

.details-grid {
  display: grid;
  grid-template-columns: minmax(140px, auto) 1fr;
  gap: 0.35rem 1rem;
  margin: 0;
}

.details-grid dt {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.details-grid dd {
  margin: 0;
}

.graph-trace {
  margin: 0;
  padding-left: 1.25rem;
}

.graph-trace li {
  margin-bottom: 0.5rem;
}

.graph-trace-table .trace-duration,
.graph-trace-table .trace-meta {
  white-space: nowrap;
  font-size: 0.9rem;
}

.graph-trace-table .graph-summary {
  color: var(--muted);
  font-size: 0.9rem;
}

.trace-status-completed { color: var(--success); }
.trace-status-success { color: var(--success); }
.trace-status-ok { color: var(--success); }
.trace-status-error { color: var(--error); }
.trace-status-failed { color: var(--error); }
.trace-status-flagged { color: var(--warning); }
.trace-status-needs_review { color: var(--warning); }

.decision-path {
  margin: 0;
  padding-left: 1.25rem;
}

.decision-path li {
  margin-bottom: 0.35rem;
}

.graph-summary {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  border: 1px solid var(--border);
  padding: 0.5rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: color-mix(in srgb, var(--surface) 80%, var(--border));
}

.error-list {
  color: var(--error);
}