:root {
  color-scheme: light;
  --ink: #17191c;
  --muted: #687079;
  --line: #d9dee3;
  --paper: #f7f8fa;
  --accent: #d34f3f;
  --teal: #147c78;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: #fff; font: 15px/1.5 system-ui, sans-serif; }
a { color: inherit; }
.topbar { height: 58px; padding: 0 max(24px, calc((100vw - 1120px) / 2)); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { font-size: 18px; font-weight: 750; text-decoration: none; }
.topbar nav { display: flex; gap: 24px; }
.topbar nav a { color: var(--muted); text-decoration: none; }
main { min-height: calc(100vh - 58px); }
.search-shell { width: min(860px, calc(100% - 32px)); margin: 52px auto; }
.search-form { display: grid; grid-template-columns: minmax(0, 1fr) auto 150px 120px; border: 1px solid #9ca4ac; }
input, select, button { min-height: 42px; border: 1px solid var(--line); border-radius: 0; background: #fff; color: var(--ink); font: inherit; }
.search-form input { min-width: 0; padding: 12px 14px; border: 0; font-size: 17px; }
.search-form button, button { padding: 0 18px; background: var(--accent); color: #fff; border-color: var(--accent); cursor: pointer; font-weight: 650; }
.search-form select { padding: 0 10px; border-width: 0 0 0 1px; }
.result-meta { margin: 22px 0 6px; color: var(--muted); font-size: 13px; }
.result { padding: 22px 0; border-bottom: 1px solid var(--line); }
.result.with-thumbnail { display: grid; grid-template-columns: minmax(0, 1fr) 168px; gap: 22px; }
.result-thumbnail { align-self: start; width: 168px; aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper); }
.result-thumbnail img { display: block; width: 100%; height: 100%; object-fit: cover; }
.result-source { color: var(--teal); font-size: 13px; font-weight: 650; }
.result h2 { margin: 5px 0 2px; font-size: 21px; line-height: 1.3; }
.result h2 a { text-decoration: none; }
.result h2 a:hover { text-decoration: underline; }
.result-url { display: block; max-width: 100%; color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result p { margin: 10px 0 0; }
.result-actions { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 9px; font-size: 13px; }
.result-actions a { color: var(--accent); }
mark { background: #ffe5a8; padding: 0 1px; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 20px; margin: 28px 0; }
.admin-shell { width: min(1180px, calc(100% - 32px)); margin: 30px auto 60px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; }
.section-heading h1 { font-size: 22px; }
.table-wrap { overflow-x: auto; border-top: 2px solid var(--ink); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 650; }
td strong, td span { display: block; }
td span { color: var(--muted); }
.status.on { color: var(--teal); }
.status.off { color: var(--accent); }
.actions { display: flex; gap: 7px; }
.actions form { margin: 0; }
.actions button { min-height: 32px; padding: 0 11px; font-size: 12px; }
.button-link { min-height: 32px; padding: 6px 11px; border: 1px solid var(--line); text-decoration: none; font-size: 12px; font-weight: 650; white-space: nowrap; }
button.quiet { background: #fff; color: var(--ink); border-color: var(--line); }
.add-source { margin: 22px 0; border: 1px solid var(--line); padding: 14px; }
.add-source summary { cursor: pointer; font-weight: 700; }
.source-form { margin-top: 16px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.source-form label { display: grid; gap: 5px; color: var(--muted); font-size: 12px; }
.source-form label.check { display: flex; align-items: center; align-self: end; min-height: 42px; }
.source-form label.check input { width: auto; min-height: auto; }
.source-form input, .source-form select { width: 100%; padding: 0 10px; }
.source-form .wide { grid-column: span 2; }
.source-form button { align-self: end; }
.edit-form { padding: 20px; border: 1px solid var(--line); }
.narrow { max-width: 920px; }
.run-heading { margin-top: 36px; }
.empty { padding: 30px 0; color: var(--muted); }
.history-shell { width: min(920px, calc(100% - 32px)); margin: 38px auto 64px; }
.history-back { color: var(--accent); font-size: 13px; }
.history-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-top: 18px; padding-bottom: 20px; border-bottom: 2px solid var(--ink); }
.history-heading h1 { margin: 0 0 5px; font-size: 25px; line-height: 1.3; }
.history-url { display: block; max-width: 720px; color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-summary { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
.compare-picker { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: 12px; margin: 14px 0 2px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.compare-picker label { display: grid; gap: 5px; color: var(--muted); font-size: 12px; }
.compare-picker select { width: 100%; padding: 0 10px; }
.compare-picker button { align-self: end; }
.capture-row { display: grid; grid-template-columns: 144px minmax(0, 1fr); gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.capture-row.no-thumbnail { grid-template-columns: 1fr; }
.capture-thumbnail { width: 144px; aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper); }
.capture-thumbnail img { display: block; width: 100%; height: 100%; object-fit: cover; }
.capture-date { color: var(--teal); font-size: 13px; font-weight: 650; }
.capture-copy h2 { margin: 4px 0; font-size: 17px; line-height: 1.35; }
.capture-meta { color: var(--muted); font-size: 12px; }
.compare-shell { width: min(1080px, calc(100% - 32px)); margin: 38px auto 64px; }
.compare-heading { margin-top: 18px; padding-bottom: 20px; border-bottom: 2px solid var(--ink); }
.compare-heading h1 { margin: 0 0 5px; font-size: 25px; line-height: 1.3; }
.compare-range { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.compare-range > div { display: grid; gap: 3px; padding: 16px 0; }
.compare-range > div + div { padding-left: 22px; border-left: 1px solid var(--line); }
.compare-range span, .diff-side > span { color: var(--muted); font-size: 11px; font-weight: 700; text-transform: uppercase; }
.compare-range a { width: fit-content; color: var(--accent); font-size: 13px; }
.change-summary { display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 16px 0; color: var(--muted); font-size: 13px; }
.change-summary strong { color: var(--ink); }
.change-section { margin-top: 30px; }
.change-section h2 { margin: 0; padding-bottom: 9px; border-bottom: 2px solid var(--ink); font-size: 18px; }
.diff-row { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.diff-side { min-width: 0; padding: 14px 16px 16px 0; }
.diff-side + .diff-side { padding-left: 16px; border-left: 1px solid var(--line); }
.diff-side p { margin: 5px 0 0; overflow-wrap: anywhere; }
.diff-side ins, .diff-side del { padding: 1px 2px; text-decoration: none; }
.diff-side ins { background: #dceddf; color: #155b32; }
.diff-side del { background: #f6d9d5; color: #8b2822; }
.diff-empty { margin-top: 5px; color: #9aa1a8; font-size: 13px; font-style: italic; }
.empty-change { margin: 0; padding: 20px 0; color: var(--muted); border-bottom: 1px solid var(--line); }
.change-details { margin-top: 30px; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.change-details summary { padding: 12px 0; cursor: pointer; font-size: 18px; font-weight: 700; }
.change-details summary span { margin-left: 8px; color: var(--muted); font-size: 12px; font-weight: 500; }
.asset-changes { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
.asset-change { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); }
.asset-change img { width: 112px; aspect-ratio: 16 / 10; object-fit: cover; background: var(--paper); }
.asset-change div { min-width: 0; }
.asset-change strong, .asset-change span { display: block; }
.asset-change strong, .link-change strong { font-size: 12px; }
.asset-change.removed strong, .link-change.removed strong { color: #a6362d; }
.asset-change.added strong, .link-change.added strong { color: #217347; }
.asset-change span { margin-top: 3px; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.link-change { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 2px 12px; padding: 10px 0; border-top: 1px solid var(--line); }
.link-change span, .link-change small { min-width: 0; overflow-wrap: anywhere; }
.link-change small { grid-column: 2; color: var(--muted); }

@media (max-width: 760px) {
  .topbar { padding: 0 16px; }
  .topbar nav { gap: 14px; }
  .search-shell { margin-top: 28px; }
  .search-form { grid-template-columns: minmax(0, 1fr) auto; }
  .search-form select { border-width: 1px 0 0; }
  .result.with-thumbnail { grid-template-columns: minmax(0, 1fr) 112px; gap: 12px; }
  .result-thumbnail { width: 112px; }
  .source-form { grid-template-columns: 1fr; }
  .source-form .wide { grid-column: span 1; }
  .history-heading { align-items: start; flex-direction: column; }
  .compare-picker { grid-template-columns: 1fr; }
  .capture-row { grid-template-columns: 96px minmax(0, 1fr); gap: 12px; }
  .capture-thumbnail { width: 96px; }
  .compare-range, .diff-row, .asset-changes { grid-template-columns: 1fr; }
  .compare-range > div + div { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .diff-side { padding-right: 0; }
  .diff-side + .diff-side { padding-left: 0; border-top: 1px dashed var(--line); border-left: 0; }
  .asset-change { grid-template-columns: 88px minmax(0, 1fr); }
  .asset-change img { width: 88px; }
}