:root {
  --ink: #152128;
  --ink-soft: #45535a;
  --paper: #f2efe6;
  --paper-deep: #e7e1d4;
  --surface: #fbf9f3;
  --signal: #e8532f;
  --signal-dark: #b9381c;
  --signal-button: #a52f18;
  --acid: #d9e85d;
  --line: #cbc5b9;
  --line-dark: #7f898d;
  --ok: #176b4a;
  --warn: #9c351e;
  --missing: #6b625a;
  --shadow: 0 24px 64px rgba(21, 33, 40, .22);
  --radius: 2px;
  --nav-height: 72px;
  --z-header: 30;
  --z-sticky: 20;
  --z-backdrop: 40;
  --z-drawer: 50;
  --z-dialog: 60;
}

* { box-sizing: border-box; }

html { overflow-x: clip; scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(21, 33, 40, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 33, 40, .035) 1px, transparent 1px);
  background-size: 28px 28px;
  font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { min-height: 44px; }

.skip-link {
  position: fixed;
  z-index: var(--z-dialog);
  top: 12px;
  left: 12px;
  padding: 9px 14px;
  color: var(--surface);
  background: var(--ink);
  transform: translateY(-180%);
}
.skip-link:focus-visible { transform: translateY(0); }
body:has(dialog[open]) .skip-link { visibility: hidden; }

:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }

.masthead {
  position: sticky;
  z-index: var(--z-header);
  top: 0;
  min-height: var(--nav-height);
  display: grid;
  grid-template-columns: minmax(260px, .8fr) minmax(220px, 1fr) minmax(260px, .8fr);
  align-items: center;
  gap: 24px;
  padding: 10px clamp(18px, 3vw, 48px);
  color: var(--surface);
  background: var(--ink);
}

.brand-button {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 12px;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--acid);
  font-weight: 900;
  font-size: 13px;
}
.brand-button strong, .brand-button small { display: block; }
.brand-button strong { font-family: "Bahnschrift Condensed", "Microsoft YaHei", sans-serif; font-size: 22px; letter-spacing: .04em; }
.brand-button small { margin-top: 1px; color: #cfd4d2; font-size: 12px; }
.route-context { min-width: 0; overflow: hidden; color: #e9ecea; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.header-actions { display: flex; align-items: center; justify-self: end; gap: 12px; }
.header-help { min-height: 44px; padding: 7px 12px; border: 1px solid #7b878b; color: var(--acid); background: transparent; font-weight: 900; cursor: pointer; white-space: nowrap; }
.header-help:hover { color: var(--ink); background: var(--acid); border-color: var(--acid); }
.header-help:active { transform: translateY(1px); }
.save-indicator { display: inline-flex; align-items: center; justify-self: end; gap: 8px; color: #dfe4e1; font-size: 13px; white-space: nowrap; }
.state-symbol { width: 9px; height: 9px; border: 2px solid currentColor; border-radius: 50%; }
.save-indicator[data-state="saving"] .state-symbol { border-right-color: transparent; animation: spin .8s linear infinite; }
.save-indicator[data-state="success"] { color: #a9e1c0; }
.save-indicator[data-state="error"] { color: #ffb8a6; }

.data-boundary-notice {
  padding: 9px clamp(18px, 3vw, 48px);
  color: #40260e;
  background: #f5d89d;
  border-bottom: 1px solid #ca9a43;
  font-size: 13px;
  font-weight: 700;
}
.data-boundary-notice.is-demo { color: #3e160d; background: #ffcbb9; border-color: var(--signal); }

.global-notice {
  position: sticky;
  z-index: calc(var(--z-header) - 1);
  top: var(--nav-height);
  padding: 13px clamp(18px, 3vw, 48px);
  color: var(--surface);
  background: var(--warn);
  font-weight: 800;
}
.global-notice[data-kind="success"] { background: var(--ok); }
.global-notice > div:first-child strong, .global-notice > div:first-child span { display: block; }
.global-notice > div:first-child span { margin-top: 2px; font-weight: 500; }
.global-notice:has(.notice-actions) { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.notice-actions { flex: 0 0 auto; }

.app-main { min-height: calc(100vh - var(--nav-height)); }
.page-shell { width: min(1280px, calc(100% - 40px)); margin: 0 auto; padding: 52px 0 88px; }
.page-shell.narrow { width: min(720px, calc(100% - 40px)); }

.page-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px; }
.page-heading-copy { min-width: 0; }
.section-kicker { margin: 0 0 6px; color: var(--signal-dark); font-size: 12px; font-weight: 900; letter-spacing: .08em; }
.page-heading h1 {
  margin: 0;
  font-family: "Bahnschrift Condensed", "Microsoft YaHei", sans-serif;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1;
  letter-spacing: .01em;
  text-wrap: balance;
}
.page-heading-copy > p:last-child { max-width: 680px; margin: 13px 0 0; color: var(--ink-soft); }

.primary-action, .secondary-action, .text-action, .icon-button {
  border-radius: var(--radius);
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 160ms ease, color 160ms ease, transform 120ms ease, opacity 160ms ease;
}
.primary-action, .secondary-action { min-height: 48px; padding: 10px 18px; border: 1px solid var(--ink); }
.primary-action { color: #fff; background: var(--signal-button); border-color: var(--ink); }
.primary-action:hover { background: var(--ink); }
.secondary-action { color: var(--ink); background: var(--surface); }
.secondary-action:hover { background: var(--paper-deep); }
.primary-action:active, .secondary-action:active, .text-action:active { transform: translateY(1px); }
.primary-action:disabled, .secondary-action:disabled, .text-action:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.text-action { min-width: 44px; min-height: 44px; padding: 6px 8px; border: 0; color: var(--signal-dark); background: transparent; }
.text-action:hover { color: var(--ink); background: var(--paper-deep); }
.icon-button { min-width: 44px; padding: 6px 10px; border: 1px solid var(--ink); color: var(--ink); background: transparent; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; }

.empty-state {
  min-height: 300px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(28px, 5vw, 56px);
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line-dark);
  background: var(--surface);
}
.empty-state h2 { margin: 0; font-size: 26px; }
.empty-state p { max-width: 520px; margin: 8px 0 0; color: var(--ink-soft); }

.task-list { border-top: 2px solid var(--ink); background: rgba(251, 249, 243, .75); }
.task-row {
  display: grid;
  grid-template-columns: minmax(220px, 1.6fr) minmax(170px, 1fr) 130px 90px 140px auto;
  align-items: center;
  gap: 18px;
  min-height: 82px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.task-row:hover { background: var(--surface); }
.task-name { min-width: 0; }
.task-name strong, .task-name small { display: block; }
.task-name strong { overflow-wrap: anywhere; }
.task-name small, .task-meta small { color: var(--ink-soft); }
.task-meta { font-variant-numeric: tabular-nums; }
.status-mark { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 900; }
.status-mark::before { width: 9px; height: 9px; content: ""; border: 2px solid currentColor; }
.status-mark.ready, .status-mark.completed { color: var(--ok); }
.status-mark.warning, .status-mark.needs-recheck { color: var(--warn); }
.status-mark.missing, .status-mark.draft { color: var(--missing); }
.archive-section { margin-top: 38px; padding-top: 22px; border-top: 1px solid var(--line-dark); }
.archive-section summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-weight: 900; }

.form-stack { display: grid; gap: 22px; }
.field-group { min-width: 0; display: grid; gap: 7px; }
.field-group > span, .field-group legend { font-weight: 900; }
.required-note { color: var(--warn); font-size: 12px; }
.field-group input, .field-group select, .field-group textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface);
}
.field-group textarea { resize: vertical; }
.field-group input:focus-visible, .field-group select:focus-visible, .field-group textarea:focus-visible { border-color: var(--signal); }
.field-group [aria-invalid="true"] { border-color: var(--warn); background: #fff1eb; }
.field-help, .field-error { min-height: 20px; margin: 0; font-size: 12px; }
.field-help { color: var(--ink-soft); }
.field-error { color: var(--warn); font-weight: 800; }
.choice-group { margin: 0; padding: 0; border: 0; }
.choice-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.choice-option { min-height: 56px; display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line-dark); background: var(--surface); cursor: pointer; }
.choice-option:has(input:checked) { border-color: var(--ink); box-shadow: inset 6px 0 0 var(--acid); }
.form-actions { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 10px; padding-top: 22px; border-top: 2px solid var(--ink); }

.state-banner { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 20px; padding: 14px 16px; border-left: 4px solid var(--missing); background: var(--surface); }
.state-banner strong, .state-banner span { display: block; }
.state-banner span { margin-top: 2px; color: var(--ink-soft); }
.state-banner.success { border-color: var(--ok); }
.state-banner.warning, .state-banner.error { border-color: var(--warn); }

.candidate-workbench { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 28px; }
.task-summary-rail { align-self: start; position: sticky; top: calc(var(--nav-height) + 58px); padding: 20px; color: var(--surface); background: var(--ink); }
.task-summary-rail h2 { margin: 0 0 18px; font-size: 20px; overflow-wrap: anywhere; }
.summary-list { margin: 0; }
.summary-list div { padding: 10px 0; border-top: 1px solid #475157; }
.summary-list dt { color: #bac1bf; font-size: 12px; }
.summary-list dd { margin: 3px 0 0; font-variant-numeric: tabular-nums; }
.task-summary-rail .text-action { width: 100%; margin-top: 18px; color: var(--acid); border: 1px solid #647077; }
.candidate-area { min-width: 0; }
.candidate-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.candidate-toolbar h1 { margin: 0; font-family: "Bahnschrift Condensed", "Microsoft YaHei", sans-serif; font-size: clamp(34px, 5vw, 58px); line-height: 1; }
.candidate-toolbar p { margin: 7px 0 0; color: var(--ink-soft); }
.data-freshness { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin: 0 0 18px; padding: 14px 16px; border-left: 4px solid var(--signal); background: var(--surface); }
.data-freshness strong, .data-freshness span { display: block; }
.data-freshness span { margin-top: 2px; color: var(--ink-soft); }
.candidate-editor { margin-bottom: 22px; padding: 22px; border-top: 3px solid var(--signal); background: var(--surface); }
.candidate-editor h2 { margin: 0 0 18px; font-size: 20px; }
.editor-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px 16px; }
.editor-grid .span-2 { grid-column: span 2; }
.editor-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

.table-wrap { max-width: 100%; overflow-x: auto; border-top: 2px solid var(--ink); background: var(--surface); }
table { width: 100%; min-width: 1160px; border-collapse: collapse; }
th, td { padding: 13px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { position: sticky; z-index: 2; top: 0; color: var(--surface); background: var(--ink); font-size: 12px; }
tbody th { min-width: 190px; }
tbody small { display: block; margin-top: 3px; color: var(--ink-soft); overflow-wrap: anywhere; }
.data-badge { width: fit-content; display: inline-flex; align-items: center; min-height: 26px; margin-top: 7px; padding: 2px 7px; border: 1px solid var(--line-dark); color: var(--ink-soft); background: var(--paper); font-size: 11px; font-weight: 900; }
.data-badge.demo { color: #6a2414; border-color: #d28169; background: #ffe0d5; }
.data-badge.local { color: #244a38; border-color: #73937f; background: #e3f0e7; }
.data-badge.unknown { color: var(--warn); border-color: #cb8a76; background: #fff1eb; }
.numeric { text-align: right; font-variant-numeric: tabular-nums; }
.row-actions { display: flex; gap: 4px; }
.reason-list { margin: 5px 0 0; padding: 0; list-style: none; color: var(--warn); font-size: 12px; }
.reason-list li + li { margin-top: 2px; }
.removed-section { margin-top: 18px; padding: 14px 16px; border: 1px dashed var(--line-dark); background: rgba(251, 249, 243, .65); }
.removed-section summary { min-height: 44px; cursor: pointer; font-weight: 900; }
.removed-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 9px 0; border-top: 1px solid var(--line); }
.check-summary-bar { position: sticky; z-index: var(--z-sticky); bottom: 0; display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 24px; padding: 14px 18px; border-top: 2px solid var(--ink); background: var(--paper); box-shadow: 0 -12px 28px rgba(21, 33, 40, .08); }
.check-counts { display: flex; flex-wrap: wrap; gap: 12px 22px; font-variant-numeric: tabular-nums; }

.decision-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, .55fr); gap: 24px; }
.decision-primary, .decision-backup, .fallback-decision { background: var(--surface); }
.decision-primary { padding: 28px; border-top: 5px solid var(--signal); }
.decision-backup { padding: 24px; border-top: 1px solid var(--line-dark); }
.decision-label { display: inline-block; margin: 0 0 8px; padding: 3px 7px; color: var(--ink); background: var(--acid); font-size: 12px; font-weight: 900; }
.decision-backup .decision-label { background: var(--paper-deep); }
.decision-name { margin: 0 0 22px; font-family: "Bahnschrift Condensed", "Microsoft YaHei", sans-serif; font-size: clamp(32px, 5vw, 54px); line-height: 1; word-break: keep-all; overflow-wrap: normal; }
.decision-backup .decision-name { font-size: 32px; }
.metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin: 0; }
.metric-grid dt { color: var(--ink-soft); font-size: 12px; }
.metric-grid dd { margin: 2px 0 0; font-family: "Bahnschrift", "Microsoft YaHei", sans-serif; font-size: 23px; font-variant-numeric: tabular-nums; }
.explanation-sections { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line-dark); }
.explanation-sections section + section { margin-top: 18px; }
.explanation-sections h2 { margin: 0 0 7px; font-size: 17px; }
.explanation-sections ul { margin: 0; padding-left: 20px; }
.technical-meta { margin-top: 20px; color: var(--ink-soft); font-size: 12px; }
.technical-meta summary { min-height: 40px; display: inline-flex; align-items: center; cursor: pointer; font-weight: 800; }
.technical-meta p { margin: 4px 0 0; }
.fallback-decision { padding: clamp(24px, 5vw, 46px); border-top: 5px solid var(--warn); }
.fallback-decision h2 { margin-top: 0; font-size: 30px; }
.next-step-list { margin: 24px 0 0; padding: 0; list-style: none; counter-reset: next-step; }
.next-step-list li { counter-increment: next-step; display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.next-step-list li::before { content: counter(next-step, decimal-leading-zero); font-family: "Bahnschrift", monospace; color: var(--warn); }
.invalidated-history { margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line-dark); }
.invalidated-history summary { min-height: 44px; cursor: pointer; font-weight: 900; }
.history-row { padding: 12px 0; border-top: 1px solid var(--line); color: var(--ink-soft); }

.evidence-drawer {
  position: fixed;
  z-index: var(--z-drawer);
  top: 0;
  right: 0;
  width: min(440px, 40vw);
  height: 100vh;
  padding: 26px;
  overflow-y: auto;
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow);
  transform: translateX(105%);
  transition: transform 180ms ease-out;
}
.evidence-drawer.is-open { transform: translateX(0); }
.drawer-heading, .dialog-heading { display: flex; align-items: start; justify-content: space-between; gap: 18px; padding-bottom: 16px; border-bottom: 2px solid var(--ink); }
.drawer-heading h2, .dialog-heading h2 { margin: 0; }
.drawer-backdrop { position: fixed; z-index: var(--z-backdrop); inset: 0; width: 100%; height: 100%; border: 0; background: rgba(21, 33, 40, .46); cursor: pointer; }
.snapshot-block { padding: 18px 0; border-bottom: 1px solid var(--line); }
.snapshot-block.is-history { opacity: .78; }
.snapshot-block h3 { margin: 0 0 10px; font-size: 16px; }
.snapshot-list { margin: 0; }
.snapshot-list div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 5px 0; }
.snapshot-list dt { color: var(--ink-soft); font-size: 12px; }
.snapshot-list dd { margin: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }

dialog { width: min(780px, calc(100% - 32px)); max-height: calc(100vh - 48px); padding: 0; border: 1px solid var(--ink); color: var(--ink); background: var(--surface); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(21, 33, 40, .46); }
.dialog-shell { padding: 24px; }
.paste-order { padding: 12px; background: var(--paper-deep); font-size: 13px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.guide-shell, .search-shell { overflow-y: auto; }
.guide-steps { margin: 24px 0 0; padding: 0; list-style: none; counter-reset: guide-step; }
.guide-steps li { counter-increment: guide-step; display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.guide-steps li::before { content: counter(guide-step, decimal-leading-zero); grid-row: 1 / span 2; color: var(--signal-dark); font-family: "Bahnschrift", monospace; font-weight: 900; }
.guide-steps strong, .guide-steps span { display: block; }
.guide-steps span { margin-top: 3px; color: var(--ink-soft); }
.guide-boundary { margin-top: 22px; padding: 16px; border-left: 4px solid var(--signal); background: var(--paper); }
.guide-boundary h3, .glossary h3 { margin: 0; font-size: 18px; }
.guide-boundary p { margin: 6px 0 0; color: var(--ink-soft); }
.glossary { margin-top: 24px; }
.glossary dl { margin: 10px 0 0; border-top: 2px solid var(--ink); }
.glossary dl > div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 16px; }
.glossary dt { font-weight: 900; }
.glossary dd { margin: 0; color: var(--ink-soft); }
.source-state { margin: 20px 0; padding: 14px 16px; border-left: 4px solid var(--warn); background: var(--paper); }
.source-state strong, .source-state span { display: block; }
.source-state span { margin-top: 3px; color: var(--ink-soft); }
.search-conflict { border-left-color: var(--signal); }
.search-conflict .secondary-action { margin-top: 12px; }
.search-form { display: grid; grid-template-columns: minmax(190px, .8fr) minmax(260px, 1.4fr) auto; align-items: end; gap: 14px; }
.search-form .primary-action { margin-bottom: 20px; }
.catalog-import { margin-top: 16px; padding: 16px; border: 1px solid var(--line-dark); background: var(--paper); }
.search-source-summary { min-height: 26px; margin-top: 18px; color: var(--ink-soft); font-size: 13px; }
.creator-search-results { margin-top: 10px; border-top: 2px solid var(--ink); }
.search-placeholder { margin: 0; padding: 28px 4px; color: var(--ink-soft); }
.search-result { display: grid; grid-template-columns: minmax(180px, 1.2fr) minmax(140px, .9fr) minmax(170px, 1fr) auto; align-items: center; gap: 14px; padding: 14px 4px; border-bottom: 1px solid var(--line); }
.search-result-main strong, .search-result-main small { display: block; }
.search-result-main small, .search-result-meta { color: var(--ink-soft); }
.search-result-metrics { display: flex; flex-wrap: wrap; gap: 4px 14px; font-variant-numeric: tabular-nums; }
.search-result-metrics span { white-space: nowrap; }
.search-result .text-action { border: 1px solid var(--line-dark); }
.search-result .text-action[disabled] { border-color: var(--line); }
.table-scroll-hint { display: none; margin: 0 0 8px; color: var(--ink-soft); font-size: 13px; }

.error-fallback { width: min(720px, calc(100% - 40px)); margin: 60px auto; padding: 28px; border-top: 5px solid var(--warn); background: var(--surface); }

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

@media (max-width: 1120px) {
  .task-row { grid-template-columns: minmax(200px, 1.4fr) minmax(160px, 1fr) 110px 120px auto; }
  .task-row .candidate-count { display: none; }
  .candidate-workbench { grid-template-columns: minmax(0, 1fr); }
  .task-summary-rail { position: static; display: grid; grid-template-columns: minmax(180px, 1.3fr) minmax(0, 2fr) auto; align-items: center; gap: 20px; }
  .task-summary-rail h2 { margin: 0; }
  .summary-list { display: flex; flex-wrap: wrap; gap: 12px 22px; }
  .summary-list div { padding: 0; border: 0; }
  .task-summary-rail .text-action { width: auto; margin-top: 0; }
  .editor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 840px) {
  :root { --nav-height: 68px; }
  .masthead { grid-template-columns: minmax(160px, 1fr) auto; gap: 12px; padding-inline: 16px; }
  .route-context { display: none; }
  .header-actions { gap: 8px; }
  .save-indicator span:last-child { max-width: 140px; overflow: hidden; text-overflow: ellipsis; }
  .page-shell, .page-shell.narrow { width: min(100% - 32px, 720px); padding: 36px 0 100px; }
  .page-heading, .candidate-toolbar, .empty-state { align-items: flex-start; flex-direction: column; }
  .task-row { grid-template-columns: minmax(0, 1fr) auto; gap: 9px 14px; }
  .task-row .task-meta, .task-row .candidate-count { display: block; grid-column: 1; }
  .task-row .status-mark { grid-column: 2; grid-row: 1; }
  .task-row .task-actions { grid-column: 2; grid-row: 2 / span 2; align-self: end; }
  .choice-options { grid-template-columns: minmax(0, 1fr); }
  .task-summary-rail { display: block; }
  .summary-list { margin-top: 12px; }
  .task-summary-rail .text-action { margin-top: 14px; }
  .candidate-toolbar .button-row, .empty-state .button-row { width: 100%; }
  .candidate-toolbar .button-row button, .empty-state .button-row button { flex: 1 1 auto; }
  .data-freshness { align-items: stretch; flex-direction: column; }
  .check-summary-bar { flex-direction: column; align-items: stretch; }
  .check-summary-bar .button-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .table-wrap thead th:first-child, .table-wrap tbody th { position: sticky; left: 0; z-index: 3; background: var(--surface); box-shadow: 8px 0 12px rgba(21, 33, 40, .08); }
  .table-wrap thead th:first-child { z-index: 4; color: var(--surface); background: var(--ink); }
  .table-wrap tbody th { width: 150px; min-width: 150px; }
  .table-wrap thead th:last-child, .table-wrap tbody td:last-child { min-width: 168px; }
  .table-wrap .row-actions { gap: 8px; }
  .table-wrap .row-actions .text-action { padding-inline: 2px; font-size: 12px; }
  .table-scroll-hint { display: block; }
  .decision-layout { grid-template-columns: minmax(0, 1fr); }
  .evidence-drawer { width: 100%; max-width: none; height: 100dvh; }
  .search-form { grid-template-columns: minmax(0, 1fr); }
  .search-form .primary-action { width: 100%; margin-bottom: 0; }
  .search-result { grid-template-columns: minmax(0, 1fr) auto; }
  .search-result-meta, .search-result-metrics { grid-column: 1; }
  .search-result .text-action { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
  .global-notice:has(.notice-actions) { align-items: stretch; flex-direction: column; }
  .notice-actions .secondary-action { width: 100%; }
}

@media (max-width: 520px) {
  .brand-mark { display: none; }
  .brand-button strong { font-size: 20px; }
  .brand-button small { font-size: 11px; }
  .header-help { padding-inline: 9px; }
  .save-indicator span:last-child { display: none; }
  .page-heading h1 { font-size: clamp(38px, 13vw, 54px); }
  .form-actions, .dialog-actions { align-items: stretch; flex-direction: column-reverse; }
  .form-actions button, .dialog-actions button { width: 100%; }
  .editor-grid { grid-template-columns: minmax(0, 1fr); }
  .editor-grid .span-2 { grid-column: auto; }
  .editor-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .check-summary-bar .button-row { grid-template-columns: minmax(0, 1fr); }
  .decision-primary, .decision-backup { padding: 20px; }
  .decision-name { font-size: 34px; }
  dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); }
  .dialog-shell { padding: 18px; }
  .guide-steps li { grid-template-columns: 36px minmax(0, 1fr); }
  .glossary dl > div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .search-result { grid-template-columns: minmax(0, 1fr); }
  .search-result .text-action { grid-column: 1; grid-row: auto; width: 100%; }
}

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