:root {
  color-scheme: light dark;
  --canvas: #f7f7f5;
  --panel: #ffffff;
  --panel-soft: #fafafa;
  --text: #1f2528;
  --muted: #59656d;
  --line: #d8dcde;
  --line-strong: #b9c0c5;
  --link: #155f9e;
  --focus: #176fc2;
  --button: #183a54;
  --button-text: #ffffff;
  --ok: #247246;
  --danger: #a33131;
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #141719;
    --panel: #1f2427;
    --panel-soft: #181c1f;
    --text: #f0f3f5;
    --muted: #b7c1c8;
    --line: #3c454b;
    --line-strong: #54616a;
    --link: #87c4ff;
    --focus: #8cc4ff;
    --button: #dbe8f2;
    --button-text: #111517;
    --ok: #7bd29b;
    --danger: #ff9a9a;
  }
}
* { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; font-size: 15px; color: var(--text); background: var(--canvas); }
body { margin: 0; min-width: 0; }
a { color: var(--link); text-underline-offset: .16em; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--panel); padding: .75rem; z-index: 5; }
.skip-link:focus { left: .5rem; }
.topbar { display: flex; align-items: center; gap: 1rem; padding: .65rem 1rem; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 2; }
.brand { font-weight: 700; white-space: nowrap; }
nav { display: flex; flex-wrap: wrap; gap: .15rem; }
nav a { min-height: 40px; display: inline-flex; align-items: center; padding: 0 .7rem; text-decoration: none; border-radius: 6px; }
nav a:hover { background: var(--panel-soft); }
.logout-form { margin-left: auto; }
.shell { width: min(1180px, 100%); margin: 0 auto; padding: 1rem; }
.page-head { margin: .5rem 0 1rem; max-width: 850px; }
h1 { font-size: 1.55rem; margin: 0 0 .35rem; letter-spacing: 0; line-height: 1.18; }
h2 { font-size: 1.05rem; margin: 0 0 .35rem; letter-spacing: 0; line-height: 1.25; }
h3 { font-size: .95rem; margin: 0 0 .25rem; letter-spacing: 0; line-height: 1.25; }
p { line-height: 1.5; margin: .35rem 0; }
.muted, .meta-line { color: var(--muted); }
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 1rem; margin-bottom: 1rem; }
.panel.compact { padding: .9rem; }
.auth-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 1rem; max-width: 440px; margin: 3rem auto; }
.metric { display: flex; align-items: baseline; gap: .5rem; color: var(--muted); }
.metric span { color: var(--text); font-size: 2rem; font-weight: 700; }
.plain-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.plain-list li { display: flex; gap: .75rem; justify-content: space-between; align-items: center; min-width: 0; }
.filters, .stack-form, .review-form { display: grid; gap: .75rem; }
.filters { grid-template-columns: 1.4fr repeat(3, minmax(130px, .55fr)) auto; margin-bottom: 1rem; align-items: end; }
input, select, textarea, button { font: inherit; min-height: 44px; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--text); padding: .55rem .65rem; max-width: 100%; }
textarea { resize: vertical; min-height: 74px; }
button { background: var(--button); color: var(--button-text); border-color: var(--button); cursor: pointer; }
button:hover { filter: brightness(.96); }
label { display: grid; gap: .25rem; color: var(--muted); }
label input, label select, label textarea { color: var(--text); }
.item-head { display: flex; align-items: start; justify-content: space-between; gap: .75rem; }
.item-head h2 { overflow-wrap: anywhere; }
.pill { border: 1px solid var(--line-strong); border-radius: 999px; padding: .22rem .55rem; color: var(--muted); white-space: nowrap; font-size: .88rem; }
details { margin: .75rem 0; }
summary { min-height: 40px; cursor: pointer; display: flex; align-items: center; color: var(--link); font-weight: 650; }
.field-list { display: grid; grid-template-columns: minmax(90px, 160px) 1fr; gap: .55rem .75rem; }
.field-list dt { color: var(--muted); }
.field-list dd { margin: 0; overflow-wrap: anywhere; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; background: color-mix(in srgb, var(--canvas), var(--panel) 20%); border: 1px solid var(--line); padding: .75rem; border-radius: 6px; }
.form-row { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.save-state.error, .form-error { color: var(--danger); }
.save-state.ok { color: var(--ok); }
.inline-form { display: inline; }
.message { border: 1px solid var(--line); background: var(--panel); padding: .65rem; border-radius: 6px; margin-bottom: .75rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.section-head { display: flex; justify-content: space-between; align-items: start; gap: 1rem; margin-bottom: .65rem; }
.text-link { white-space: nowrap; font-weight: 650; }
.cluster-list, .retained-text { display: grid; gap: .65rem; }
.cluster-row { display: grid; grid-template-columns: minmax(170px, .34fr) 1fr; gap: 1rem; padding: .75rem 0; border-top: 1px solid var(--line); }
.cluster-row:first-child { border-top: 0; padding-top: 0; }
blockquote { margin: 0; padding-left: .8rem; border-left: 3px solid var(--line-strong); color: var(--text); }
blockquote footer { color: var(--muted); margin-top: .35rem; }
.fine-print p { color: var(--muted); }
.queue-list, .source-list, .activity-list { list-style: none; padding: 0; margin: 0; display: grid; }
.queue-list li, .source-list li, .activity-list li { border-top: 1px solid var(--line); padding: .65rem 0; }
.queue-list li:first-child, .source-list li:first-child, .activity-list li:first-child { border-top: 0; }
.queue-list li { display: grid; grid-template-columns: 1fr minmax(120px, auto) minmax(110px, auto); gap: .75rem; align-items: center; }
.queue-list span, .source-list strong { color: var(--muted); font-weight: 600; }
.source-list li { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
.source-list p { color: var(--muted); margin: .2rem 0 0; }
.review-summary { display: flex; flex-wrap: wrap; gap: .5rem; margin: .65rem 0; color: var(--muted); }
.review-summary span { border: 1px solid var(--line); background: var(--panel-soft); border-radius: 999px; padding: .18rem .5rem; }
.retained-text section { background: var(--panel-soft); border: 1px solid var(--line); border-radius: 6px; padding: .75rem; }
.retained-text p { overflow-wrap: anywhere; }
.question-summary { max-width: 850px; }
.review-details { border-top: 1px solid var(--line); padding-top: .45rem; }
@media (max-width: 700px) {
  .topbar { align-items: stretch; flex-direction: column; }
  .logout-form { margin-left: 0; }
  .filters { grid-template-columns: 1fr; }
  .field-list { grid-template-columns: 1fr; }
  .plain-list li, .item-head { align-items: stretch; flex-direction: column; }
  .pill { white-space: normal; }
  .section-head, .source-list li { flex-direction: column; }
  .cluster-row, .queue-list li { grid-template-columns: 1fr; gap: .35rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}