:root {
  color-scheme: dark;
  --bg: #101114;
  --surface: #17191d;
  --surface-2: #1f2227;
  --line: #30343b;
  --text: #f5f2e8;
  --muted: #9ca1aa;
  --accent: #ff6b4a;
  --accent-2: #ffb3a2;
  --good: #7dd3a8;
  --warning: #f5bd68;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.55; }
button, input, textarea { font: inherit; }
button { color: inherit; }
button, a, input, textarea { outline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent-2); }
[hidden] { display: none !important; }

.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; background: var(--text); color: var(--bg); border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.topbar { height: 70px; padding: 0 clamp(1rem, 4vw, 4.5rem); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; background: rgb(16 17 20 / 92%); backdrop-filter: blur(14px); }
.brand { color: var(--text); text-decoration: none; font-weight: 750; letter-spacing: -.02em; display: inline-flex; align-items: center; gap: .7rem; width: fit-content; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--accent); color: #130b09; font-weight: 900; }
.tabs { display: flex; padding: 4px; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; }
.tab { border: 0; background: transparent; padding: .45rem 1.05rem; border-radius: 999px; color: var(--muted); cursor: pointer; font-weight: 650; }
.tab.is-active { background: var(--text); color: var(--bg); }
.local-badge { justify-self: end; display: inline-flex; align-items: center; gap: .5rem; color: var(--muted); font-size: .875rem; }
.local-badge span { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 4px rgb(125 211 168 / 12%); }

main { width: min(1440px, 100%); margin: 0 auto; padding: clamp(2rem, 5vw, 5.5rem) clamp(1rem, 4vw, 4.5rem) 5rem; }
.workspace-head { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .7fr); align-items: end; gap: 3rem; margin-bottom: 2.3rem; }
.eyebrow { color: var(--accent); margin: 0 0 .55rem; font: 750 .78rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .11em; text-transform: uppercase; }
h1 { font-size: clamp(2.5rem, 5.6vw, 5.8rem); line-height: .96; letter-spacing: -.07em; margin: 0; max-width: 880px; }
h1 span { color: var(--muted); }
.intro, .rules-copy > p:last-child { color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.18rem); max-width: 480px; margin: 0 0 .4rem; }

.checker-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr); gap: 1rem; align-items: stretch; }
.panel { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); overflow: hidden; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 1.25rem; border-bottom: 1px solid var(--line); }
.panel-head h2, .findings-head h2 { font-size: 1rem; margin: 0; letter-spacing: -.01em; }
.panel-head .eyebrow { margin-bottom: .25rem; }
.meta { color: var(--muted); font-size: .84rem; }
.editor-panel { display: flex; min-height: 590px; flex-direction: column; }
.kind-switch { margin: 0 1.25rem 0; padding: .85rem 0 0; border: 0; border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: .65rem 1rem; align-items: center; }
.kind-switch legend { padding: 0; color: var(--muted); font: 700 .72rem ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.kind-switch label { display: inline-flex; align-items: center; gap: .4rem; color: var(--text); font-weight: 650; cursor: pointer; }
.kind-switch input { accent-color: var(--accent); }
.briefing-box { padding: 1.2rem 1.25rem 1rem; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.briefing-box h2 { margin: .2rem 0 .55rem; font-size: 1.05rem; letter-spacing: -.02em; }
.briefing-verdict { margin: 0; font-size: 1.35rem; font-weight: 800; letter-spacing: -.03em; }
.briefing-box[data-verdict="да"] .briefing-verdict { color: var(--good); }
.briefing-box[data-verdict="слабо"] .briefing-verdict { color: var(--warning); }
.briefing-box[data-verdict="нет"] .briefing-verdict { color: var(--accent-2); }
.briefing-box #briefing-answer { margin: .45rem 0 0; color: #d5d2ca; }
#source-text { flex: 1; width: 100%; min-height: 400px; padding: 1.4rem; resize: vertical; border: 0; background: transparent; color: var(--text); font: 1.03rem/1.75 Georgia, "Times New Roman", serif; }
#source-text::placeholder { color: #656a73; }
.editor-actions { display: flex; justify-content: space-between; gap: .8rem; padding: 1rem 1.25rem; border-top: 1px solid var(--line); }
.button { min-height: 43px; padding: .64rem 1.05rem; border: 1px solid transparent; border-radius: 10px; cursor: pointer; font-weight: 700; transition: transform .15s ease, border-color .15s ease, background .15s ease; }
.button:hover { transform: translateY(-1px); }
.button:disabled { opacity: .55; cursor: wait; transform: none; }
.button-primary { background: var(--accent); color: #170b08; }
.button-primary:hover { background: #ff8065; }
.button-ghost { background: transparent; border-color: var(--line); color: var(--muted); }
.button-ghost:hover { border-color: #565b64; color: var(--text); }
.button-small { min-height: 36px; padding: .4rem .75rem; font-size: .85rem; }
.spinner { display: none; width: 15px; height: 15px; margin-left: .55rem; border: 2px solid rgb(20 10 8 / 25%); border-top-color: #170b08; border-radius: 50%; animation: spin .7s linear infinite; vertical-align: -2px; }
.is-loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.results-panel { min-height: 590px; }
.empty-state { min-height: 588px; padding: 2rem; display: grid; align-content: center; justify-items: center; text-align: center; }
.empty-glyph { width: 64px; height: 64px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--accent); font-size: 2rem; margin-bottom: 1rem; }
.empty-state h2 { margin: 0; font-size: 1.2rem; }
.empty-state p { max-width: 340px; margin: .5rem 0 0; color: var(--muted); }
.score-row { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.score { padding: 1.4rem; }
.score + .score { border-left: 1px solid var(--line); }
.score-label { color: var(--muted); font-size: .82rem; display: block; }
.score strong { font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1.1; letter-spacing: -.06em; display: block; margin: .25rem 0 .75rem; }
.risk-score strong { color: var(--accent-2); }
.meter { height: 4px; border-radius: 4px; background: #292c31; overflow: hidden; }
.meter span { display: block; width: 0; height: 100%; background: var(--accent); transition: width .5s ease; }
.meter-muted span { background: var(--good); }
.findings-head { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; }
.count-pill { min-width: 28px; height: 28px; padding: 0 .5rem; display: grid; place-items: center; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: .8rem; }
.findings { max-height: 405px; overflow: auto; border-top: 1px solid var(--line); }
.finding-card { border-bottom: 1px solid var(--line); scroll-margin: 6rem; }
.finding-trigger { width: 100%; border: 0; background: transparent; text-align: left; padding: 1rem 1.25rem; display: grid; grid-template-columns: 30px 1fr 24px; gap: .75rem; align-items: center; cursor: pointer; }
.finding-trigger:hover { background: var(--surface-2); }
.finding-index { color: var(--accent); font: 700 .78rem ui-monospace, monospace; }
.finding-fragment { font-weight: 650; overflow-wrap: anywhere; }
.finding-chevron { font-size: 1.4rem; color: var(--muted); transition: transform .2s ease; }
.finding-card.is-open .finding-chevron { transform: rotate(45deg); }
.finding-detail { display: none; grid-template-columns: 1fr 1fr; gap: 1rem; padding: 0 1.25rem 1.2rem 4.4rem; }
.finding-card.is-open .finding-detail { display: grid; }
.finding-detail p { margin: .25rem 0 0; color: #d5d2ca; font-size: .9rem; }
.detail-label { color: var(--muted); font: 700 .72rem ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; }
.no-findings { padding: 2rem; color: var(--good); text-align: center; }

.highlight-panel { margin-top: 1rem; }
.highlighted-text { padding: clamp(1.25rem, 3vw, 2.5rem); white-space: pre-wrap; overflow-wrap: anywhere; font: 1.08rem/1.9 Georgia, "Times New Roman", serif; }
mark { background: rgb(255 107 74 / 22%); color: var(--text); border-bottom: 2px solid var(--accent); border-radius: 3px; padding: .08em 0; cursor: pointer; }
mark:hover, mark:focus { background: rgb(255 107 74 / 38%); }
.status { min-height: 1.5rem; margin-top: .75rem; color: var(--accent-2); font-size: .9rem; }

.rules-layout { display: grid; grid-template-columns: minmax(280px, .7fr) minmax(0, 1.3fr); gap: clamp(2rem, 6vw, 6rem); align-items: end; margin-bottom: 2rem; }
.rules-copy h1 { font-size: clamp(2.4rem, 4.5vw, 4.8rem); margin-bottom: 1.5rem; }
.rule-form-panel form { padding: 1.25rem; }
.form-row { display: grid; gap: .4rem; margin-bottom: 1rem; }
.form-row.split { grid-template-columns: 1fr 1fr; gap: 1rem; }
label { color: #d8d5cc; font-weight: 650; font-size: .87rem; }
input:not([type="checkbox"]), .form-row textarea { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: .72rem .8rem; color: var(--text); background: #111317; }
.form-row textarea { resize: vertical; min-height: 84px; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.form-foot-end { justify-content: flex-end; }
.compact-fields { grid-template-columns: minmax(0, 1fr) minmax(120px, .28fr) !important; }
.checkbox-label { display: inline-flex; align-items: center; gap: .6rem; cursor: pointer; color: var(--muted); }
input[type="checkbox"] { accent-color: var(--accent); width: 18px; height: 18px; }
.rule-list-panel { overflow: visible; }
.rule-list { padding: 0 .9rem; }
.rule-card { display: grid; grid-template-columns: 1fr auto; gap: 1.2rem; align-items: center; padding: 1.2rem .35rem; border-bottom: 1px solid var(--line); }
.rule-card:last-child { border-bottom: 0; }
.rule-title-row { display: flex; gap: .65rem; flex-wrap: wrap; align-items: center; }
.rule-name { margin: 0; font-size: 1rem; }
.rule-kind { padding: .12rem .45rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; }
.rule-pattern { display: inline-block; margin: .45rem 0; color: var(--accent-2); overflow-wrap: anywhere; }
.rule-reason { margin: 0; color: var(--muted); font-size: .88rem; }
.rule-actions { display: flex; gap: .45rem; align-items: center; }
.icon-button { border: 1px solid var(--line); background: transparent; border-radius: 8px; padding: .42rem .58rem; color: var(--muted); cursor: pointer; font-size: .78rem; }
.icon-button:hover { color: var(--text); border-color: #565b64; }
.icon-button.danger:hover { color: var(--accent-2); border-color: var(--accent); }
.switch { position: relative; display: inline-flex; cursor: pointer; margin-right: .3rem; }
.switch input { position: absolute; opacity: 0; }
.switch span { width: 40px; height: 23px; border-radius: 999px; background: #3a3d44; position: relative; transition: .2s ease; }
.switch span::after { content: ""; position: absolute; width: 17px; height: 17px; left: 3px; top: 3px; border-radius: 50%; background: var(--text); transition: transform .2s ease; }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(17px); background: #1a0d09; }
.switch input:focus-visible + span { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.rule-card.is-disabled { opacity: .55; }
.rule-card.is-builtin .edit-rule, .rule-card.is-builtin .delete-rule, .rule-card.is-builtin .switch { display: none; }
.rule-empty { text-align: center; color: var(--muted); padding: 2.5rem; }

@media (max-width: 900px) {
  .workspace-head, .checker-grid, .rules-layout { grid-template-columns: 1fr; }
  .workspace-head { gap: 1.2rem; }
  .checker-grid { align-items: start; }
  .editor-panel, .results-panel { min-height: auto; }
  #source-text { min-height: 340px; }
  .empty-state { min-height: 320px; }
  .rules-copy > p:last-child { max-width: 620px; }
}

@media (max-width: 620px) {
  .topbar { height: auto; min-height: 66px; grid-template-columns: 1fr auto; padding-block: .65rem; }
  .brand > span:last-child, .local-badge { display: none; }
  .tabs { justify-self: end; }
  main { padding-top: 2.3rem; }
  h1 { letter-spacing: -.055em; }
  .score-row, .finding-detail, .form-row.split, .compact-fields { grid-template-columns: 1fr !important; }
  .score + .score { border-left: 0; border-top: 1px solid var(--line); }
  .finding-detail { padding-left: 4.3rem; }
  .rule-card { grid-template-columns: 1fr; }
  .rule-actions { justify-content: flex-end; }
  .form-foot { align-items: flex-start; flex-direction: column; }
  .form-foot .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation-duration: .01ms !important; }
}