:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f1f3f6;
  --text: #1c2330;
  --muted: #667085;
  --border: #dde2e9;
  --accent: #2f5bea;
  --accent-ink: #ffffff;
  --accent-soft: #e8eeff;
  --ok: #157a46;
  --ok-soft: #e4f5ec;
  --warn: #9a5b00;
  --warn-soft: #fff3dc;
  --err: #b42318;
  --err-soft: #fde9e7;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218;
    --surface: #171b23;
    --surface-2: #1f2430;
    --text: #e6e9ef;
    --muted: #98a2b3;
    --border: #2c3341;
    --accent: #7c9cff;
    --accent-ink: #0f1218;
    --accent-soft: #1e2a4d;
    --ok: #5fd39a;
    --ok-soft: #12301f;
    --warn: #f3b85c;
    --warn-soft: #33270f;
    --err: #ff8a80;
    --err-soft: #3a1714;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
[hidden] { display: none !important; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); font-weight: 400; }
.hint { color: var(--muted); font-size: 13px; margin: 6px 0 0; }

.topbar { background: var(--surface); border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.topbar-inner { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding-top: 16px; padding-bottom: 16px; }
.brand { display: flex; gap: 12px; align-items: center; }
.logo { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); font-size: 20px; }
.brand h1 { font-size: 18px; margin: 0; }
.sub { margin: 0; color: var(--muted); font-size: 13px; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill { font-size: 12px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface-2); color: var(--muted); }
.pill.on { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.pill.off { color: var(--warn); background: var(--warn-soft); border-color: transparent; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.card h2 { font-size: 16px; margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }
.num { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-size: 12px; }

label { display: block; font-weight: 600; font-size: 13px; margin: 14px 0 6px; }
.card h2 + label { margin-top: 0; }
.step > label:first-child, .step > .grid:first-child label { margin-top: 0; }
input[type=text], input[type=url], input[type=password], select, textarea {
  width: 100%; padding: 10px 12px; font: inherit; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
}
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input.invalid { border-color: var(--err); }
input.valid { border-color: var(--ok); }
.row { display: flex; gap: 8px; }
.row input { flex: 1; min-width: 0; }
.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 600px) { .grid.two { grid-template-columns: 1fr; } .row { flex-direction: column; } }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 400; margin-top: 8px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 14px; border-radius: 8px; border: 1px solid transparent; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn.big { padding: 12px 22px; font-size: 16px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-group { display: flex; flex-wrap: wrap; gap: 6px; }

.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; padding: 2px; margin: 0; gap: 2px; background: var(--surface-2); }
.segmented label { margin: 0; font-weight: 600; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; padding: 6px 18px; border-radius: 6px; cursor: pointer; color: var(--muted); }
.segmented input:checked + span { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.segmented input:focus-visible + span { outline: 2px solid var(--accent); }

details.more { margin-top: 12px; }
details.more summary { cursor: pointer; color: var(--accent); font-weight: 600; font-size: 13px; }
details.more textarea { margin-top: 8px; }

.status { margin-top: 8px; padding: 10px 12px; border-radius: 8px; font-size: 14px; background: var(--surface-2); }
.status.ok { background: var(--ok-soft); color: var(--ok); }
.status.warn { background: var(--warn-soft); color: var(--warn); }
.status.error { background: var(--err-soft); color: var(--err); }
.status .code { font-weight: 700; }
.status ul { margin: 6px 0 0; padding-left: 18px; }
.status .detail { color: var(--text); opacity: .8; font-size: 13px; margin-top: 4px; word-break: break-all; }
.fix { background: none; border: 0; padding: 0; color: inherit; font: inherit; font-weight: 700; text-decoration: underline; cursor: pointer; }

.suggestions { margin-top: 10px; }
.sugg-group { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 6px; }
.sugg-group > span { font-size: 12px; color: var(--muted); width: 72px; flex-shrink: 0; }
.sugg-group.stacked > span { width: 100%; }
.chip { border: 1px solid var(--border); background: var(--surface-2); color: var(--text); border-radius: 999px; padding: 4px 10px; font: inherit; font-size: 13px; cursor: pointer; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip:hover { border-color: var(--accent); color: var(--accent); }

.error-text { color: var(--err); margin: 10px 0 0; }

.steps { list-style: none; padding: 0; margin: 0; }
.steps li { display: flex; gap: 10px; padding: 7px 0; border-bottom: 1px dashed var(--border); }
.steps li:last-child { border-bottom: 0; }
.steps .icon { width: 20px; text-align: center; flex-shrink: 0; }
.steps .detail { color: var(--muted); font-size: 13px; }
.steps li.pending { color: var(--muted); }
.steps li.running .icon::before { content: ""; display: inline-block; width: 12px; height: 12px; border: 2px solid var(--accent); border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; }
.steps li.done .icon { color: var(--ok); }
.steps li.warning .icon { color: var(--warn); }
.steps li.error .icon { color: var(--err); }
.steps li.skipped { color: var(--muted); }
@keyframes spin { to { transform: rotate(360deg); } }

.result-head { display: flex; gap: 12px; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; }
.title-block { flex: 1; min-width: 0; }
.title-block h2 { font-size: 22px; margin: 2px 0 10px; display: block; }
.eyebrow { text-transform: uppercase; letter-spacing: .06em; font-size: 11px; color: var(--muted); font-weight: 700; }
.meta-desc { margin: 2px 0 0; color: var(--muted); }
.copy-mini { display: flex; gap: 4px; }
.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin: 18px 0 4px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-top: 14px; overflow-x: auto; }
.tab { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 12px; font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.code { width: 100%; min-height: 480px; margin-top: 12px; font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; }

.prose { font: 17px/1.7 Georgia, "Times New Roman", serif; padding-top: 8px; overflow-wrap: break-word; }
.prose h2 { font: 700 22px/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; margin: 28px 0 8px; display: block; }
.prose h3 { font: 700 18px/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; margin: 20px 0 6px; }
.prose a { color: var(--accent); background: var(--accent-soft); padding: 0 2px; border-radius: 3px; }
.prose figure { margin: 20px 0; }
.prose img { max-width: 100%; height: auto; border-radius: 8px; display: block; }
.prose figcaption { font: 12px/1.4 -apple-system, sans-serif; color: var(--muted); margin-top: 6px; }
.prose figcaption a { background: none; color: var(--muted); }
.prose iframe { width: 100%; max-width: 640px; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: 8px; display: block; margin: 16px 0; }

.scores { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.score { background: var(--surface-2); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 4px; }
.score b { font-size: 22px; }
.score small { color: var(--muted); font-size: 12px; }
.notes { margin: 14px 0 0; padding: 10px 12px 10px 30px; border-radius: 8px; background: var(--warn-soft); color: var(--warn); font-size: 14px; }

.topic-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 8px; margin-top: 14px; }
.topic-head label { margin: 0; }
.topic-inputs { display: grid; gap: 8px; margin-top: 8px; }
.topic-row { display: flex; align-items: center; gap: 8px; }
.topic-row .n { width: 22px; flex-shrink: 0; color: var(--muted); font-size: 13px; text-align: right; }
.topic-row input { flex: 1; min-width: 0; }

.switcher-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.switcher-head h2 { margin: 0; }
.switcher-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.switcher-tabs .chip { max-width: 320px; }
.switcher-tabs .chip.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.switcher-tabs .chip.failed { color: var(--err); }
.steps li .article-n { font-weight: 600; }

.stepper { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0 0 16px; }
.stepper li { flex: 1; min-width: 0; }
.stepper button { width: 100%; display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); color: var(--muted); font: inherit; font-weight: 600;
  text-align: left; cursor: default; }
.stepper .num { display: inline-grid; place-items: center; width: 22px; height: 22px; flex-shrink: 0; border-radius: 50%;
  background: var(--surface-2); color: var(--muted); font-size: 12px; }
.stepper .step-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stepper li.active button { border-color: var(--accent); color: var(--text); }
.stepper li.active .num { background: var(--accent); color: var(--accent-ink); }
.stepper li.done button { cursor: pointer; color: var(--text); }
.stepper li.done .num { background: var(--ok-soft); color: var(--ok); }
.stepper li.done button:hover { border-color: var(--accent); }
@media (max-width: 600px) { .stepper li:not(.active) .step-name { display: none; } .stepper li:not(.active) { flex: 0 0 auto; } }

.wizard-nav { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 8px 0 24px; }
.wizard-nav #next { margin-left: auto; }
.progress-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.progress-head h2 { margin: 0; }

.topnav { display: flex; gap: 4px; margin-right: auto; margin-left: 12px; }
.topnav a { padding: 6px 10px; border-radius: 8px; color: var(--muted); font-weight: 600; text-decoration: none; }
.topnav a:hover { color: var(--text); background: var(--surface-2); }
.topnav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); }
@media (max-width: 600px) { .topnav { margin-left: 0; order: 3; width: 100%; } }

.table-wrap { overflow-x: auto; margin: 0 -20px; padding: 0 20px; }
table.saved { width: 100%; border-collapse: collapse; font-size: 14px; }
table.saved th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted);
  padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.saved td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.saved tr:last-child td { border-bottom: 0; }
table.saved .count { text-align: right; white-space: nowrap; }
table.saved td.date { color: var(--muted); white-space: nowrap; font-size: 13px; }
table.saved a { color: var(--accent); text-decoration: none; }
table.saved a:hover { text-decoration: underline; }
table.saved .doc { font-weight: 600; }
table.saved .url { word-break: break-all; min-width: 160px; }
.empty { color: var(--muted); margin: 8px 0 0; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: 100%; max-width: 360px; }
.login .brand { margin-bottom: 18px; }
.login .brand h1 { font-size: 18px; margin: 0; }
.login .btn { width: 100%; margin-top: 16px; }

.mode-pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; border: 0; padding: 0; margin: 0; }
@media (max-width: 600px) { .mode-pick { grid-template-columns: 1fr; } }
.mode-option { margin: 0; cursor: pointer; }
.mode-option input { position: absolute; opacity: 0; pointer-events: none; }
.mode-option span { display: flex; flex-direction: column; gap: 4px; padding: 18px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--surface); font-weight: 400; }
.mode-option b { font-size: 16px; }
.mode-option small { color: var(--muted); font-size: 13px; }
.mode-option input:checked + span { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent); }
.mode-option input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }