:root {
  --paper: #EDF1F5;
  --surface: #FFFFFF;
  --ink: #14213D;
  --ink-2: #3A4A66;
  --muted: #66758C;
  --line: #D3DAE3;
  --line-strong: #B5C0CE;
  --marker: #F2C230;
  --marker-soft: #FBE7A1;
  --action: #1F4FD1;
  --action-ink: #FFFFFF;
  --ok: #1C7C54;
  --danger: #B3261E;
  --focus: #1F4FD1;
  --sans: "Golos Text", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --mono: "JetBrains Mono", Consolas, "Cascadia Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0F1620; --surface: #17212F; --ink: #E7EDF4; --ink-2: #BAC6D6; --muted: #8796AB;
    --line: #26344A; --line-strong: #3A4B64; --marker: #F2C230; --marker-soft: #5A4A12;
    --action: #7EA2FF; --action-ink: #0F1620; --ok: #57C795; --danger: #FF8A80; --focus: #7EA2FF;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0F1620; --surface: #17212F; --ink: #E7EDF4; --ink-2: #BAC6D6; --muted: #8796AB;
  --line: #26344A; --line-strong: #3A4B64; --marker: #F2C230; --marker-soft: #5A4A12;
  --action: #7EA2FF; --action-ink: #0F1620; --ok: #57C795; --danger: #FF8A80; --focus: #7EA2FF;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 15px/1.5 var(--sans); font-feature-settings: "tnum" 1;
}
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
kbd { font: 600 11px/1 var(--mono); padding: 2px 5px; border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 4px; background: var(--surface); color: var(--ink-2); }

/* ---------- шапка ---------- */
.top {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1120px; margin: 0 auto; padding: 18px 24px 6px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 34px; height: 34px; flex: none; }
.logo rect { fill: var(--ink); }
.logo path { stroke: var(--marker); stroke-width: 3; stroke-linecap: round; fill: none; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }
.brand-meta { font-size: 13px; color: var(--muted); }
/* вкладки: ресурсы ФСНБ / расценки ГЭСН */
.tabs { display: flex; gap: 2px; margin-left: auto; margin-right: 8px; padding: 3px; border: 1px solid var(--line-strong); border-radius: 12px; background: var(--surface); }
.tab { padding: 7px 14px; border: 0; border-radius: 9px; background: transparent; color: var(--ink-2); text-decoration: none; font: 500 14.5px var(--sans); white-space: nowrap; cursor: pointer; }
.tab:hover { color: var(--ink); background: var(--paper); }
.tab.on { background: var(--ink); color: var(--paper); }
.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid transparent;
  background: transparent; border-radius: 10px; cursor: pointer; color: var(--ink-2);
}
.icon-btn:hover { border-color: var(--line); background: var(--surface); }
.icon-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 8px 24px 80px; }

/* ---------- поиск ---------- */
.search { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; display: flex; gap: 10px; padding: 12px 0 10px; background: var(--paper); }
.search input {
  flex: 1; min-width: 0; height: 58px; padding: 0 20px; font-size: 20px; font-weight: 500;
  background: var(--surface); border: 2px solid var(--ink); border-radius: 14px; color: var(--ink);
  box-shadow: 0 3px 0 var(--ink);
}
.search input::placeholder { color: var(--muted); font-weight: 400; font-size: 17px; }
.search input:focus { outline: none; box-shadow: 0 3px 0 var(--ink), 0 0 0 4px color-mix(in srgb, var(--marker) 60%, transparent); }
.search input:disabled { opacity: .6; }
.ai-btn {
  flex: none; height: 58px; padding: 0 18px; border-radius: 14px; border: 2px solid var(--ink);
  background: var(--marker); color: #14213D; font-weight: 600; cursor: pointer; box-shadow: 0 3px 0 var(--ink);
}
.ai-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--ink); }
.ai-btn[disabled] { opacity: .6; cursor: progress; }

.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 4px 0 14px; }
.seg {
  height: 32px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--line-strong);
  background: transparent; color: var(--ink-2); cursor: pointer; font-size: 14px;
}
.seg.on { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.hint-keys { margin-left: auto; font-size: 12.5px; color: var(--muted); }

/* ---------- как понят запрос: главный акцент страницы ---------- */
.interpret:empty { display: none; }
.interpret { margin: 0 0 12px; display: grid; gap: 6px; }
.tr { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; font-size: 15px; }
.tr-from { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--line-strong); text-decoration-thickness: 2px; }
.tr-arrow { color: var(--muted); }
.tr-to { font-weight: 600; background: linear-gradient(transparent 55%, var(--marker-soft) 55%); padding: 0 2px; }
.tr-note { flex-basis: 100%; font-size: 13px; color: var(--muted); }
.tr-warn { font-size: 13.5px; color: var(--ink-2); }

.status { font-size: 13.5px; color: var(--muted); margin: 0 0 6px; min-height: 1px; }
.status b { color: var(--ink); font-weight: 600; }

/* ---------- ИИ ---------- */
.ai-box { border: 2px solid var(--ink); border-radius: 14px; background: var(--surface); padding: 14px 16px; margin: 0 0 14px; }
.ai-box h3 { margin: 0 0 6px; font-size: 15px; }
.ai-box p { margin: 4px 0; }
.ai-box .ai-why { font-size: 13.5px; color: var(--ink-2); }
.ai-box .err { color: var(--danger); }

/* ---------- результаты ---------- */
.results { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.results:empty { border-top: 0; }
.res {
  display: grid; grid-template-columns: 200px 1fr auto; gap: 4px 18px; align-items: start;
  padding: 12px 10px; border-bottom: 1px solid var(--line); position: relative;
}
.res.sel { background: var(--surface); box-shadow: inset 4px 0 0 var(--marker); }
.res.ai-pick { box-shadow: inset 4px 0 0 var(--action); }
.code {
  font: 600 14px/1.35 var(--mono); color: var(--ink); background: none; border: 0; padding: 2px 0; text-align: left;
  cursor: copy; white-space: nowrap; letter-spacing: -0.01em;
}
.code:hover { color: var(--action); text-decoration: underline; text-underline-offset: 3px; }
.r-code { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.r-code .pct { font-size: 12px; padding: 2px 5px; }
.r-note { font-size: 13px; color: var(--ink-2); margin-top: 3px; }
.view[hidden] { display: none !important; }
.name { font-size: 15px; line-height: 1.45; color: var(--ink); overflow-wrap: anywhere; }
.name mark { background: var(--marker-soft); color: inherit; border-radius: 2px; padding: 0 1px; }
.meta { text-align: right; white-space: nowrap; font-size: 13.5px; color: var(--muted); line-height: 1.35; }
.meta .price { color: var(--ink); font-weight: 500; font-size: 14.5px; }
.acts { grid-column: 2 / 4; display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 2px; }
.act { background: none; border: 0; padding: 2px 0; font-size: 13px; color: var(--action); cursor: pointer; }
.act:hover { text-decoration: underline; text-underline-offset: 3px; }
.act.done { color: var(--ok); }

.group { grid-column: 1 / -1; margin: 8px 0 2px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); overflow: hidden; }
.group-head { display: flex; justify-content: space-between; gap: 10px; padding: 8px 12px; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--line); }
.group-list { list-style: none; margin: 0; padding: 0; max-height: 360px; overflow: auto; }
.group-list li { display: grid; grid-template-columns: 150px 1fr auto; gap: 12px; padding: 7px 12px; border-bottom: 1px solid var(--line); font-size: 14px; }
.group-list li:last-child { border-bottom: 0; }
.group-list li.cur { background: var(--marker-soft); }
.group-list .code { font-size: 13px; }

.more-wrap { text-align: center; margin-top: 14px; }
.more { height: 40px; padding: 0 20px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--surface); cursor: pointer; }

/* ---------- пустое состояние ---------- */
.empty { margin-top: 28px; max-width: 640px; }
.empty .empty-lead { color: var(--ink); font-size: 26px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 8px; }
.empty p { color: var(--ink-2); margin: 0 0 14px; }
.examples { display: flex; flex-wrap: wrap; gap: 8px; }
.ex { border: 1px dashed var(--line-strong); background: var(--surface); border-radius: 999px; padding: 6px 13px; cursor: pointer; font-size: 14px; color: var(--ink); }
.ex:hover { border-style: solid; border-color: var(--ink); }

/* ---------- уведомление ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 10px; font-size: 14px;
  transition: opacity .15s, transform .15s; max-width: calc(100vw - 32px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- настройки ---------- */
.sheet { width: min(620px, calc(100vw - 24px)); max-height: calc(100vh - 40px); border: 0; border-radius: 16px; padding: 0; background: var(--surface); color: var(--ink); }
.sheet::backdrop { background: rgba(10, 18, 30, .45); }
.sheet-head { position: sticky; top: 0; display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; background: var(--surface); border-bottom: 1px solid var(--line); }
.sheet-head h2 { margin: 0; font-size: 18px; }
.sheet-body { padding: 4px 18px 18px; }
.sheet section { padding: 14px 0; border-bottom: 1px solid var(--line); }
.sheet section:last-child { border-bottom: 0; }
.sheet h3 { margin: 0 0 8px; font-size: 15px; }
.muted { color: var(--muted); font-size: 13.5px; margin: 4px 0 8px; }
.radio { display: flex; gap: 8px; align-items: flex-start; margin: 6px 0; cursor: pointer; }
.radio input { margin-top: 4px; }
.field { display: grid; gap: 4px; font-size: 13.5px; color: var(--ink-2); margin: 8px 0; }
.field input, .field select, .syn-add input {
  height: 38px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--paper); font-size: 14.5px; color: var(--ink);
}
.row-btns { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 8px; }
.btn { height: 36px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--line-strong); background: var(--paper); cursor: pointer; font-size: 14px; display: inline-flex; align-items: center; }
.btn:hover { border-color: var(--ink); }
.btn.danger { color: var(--danger); }
.syn-add { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.4fr) auto; gap: 6px; }
.syn-list { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 4px; }
.syn-list li { display: flex; gap: 8px; align-items: center; font-size: 14px; }
.syn-list li span { flex: 1; }
.syn-list .x { background: none; border: 0; color: var(--danger); cursor: pointer; font-size: 13px; }

/* ---------- телефон ---------- */
@media (max-width: 720px) {
  .top, .wrap { padding-left: 16px; padding-right: 16px; }
  .top { flex-wrap: wrap; row-gap: 10px; }
  .brand { flex: 1; min-width: 0; }
  .brand-meta { overflow-wrap: anywhere; }
  .tabs { order: 3; width: 100%; margin: 0; }
  .tab { flex: 1; text-align: center; padding: 8px 6px; }
  .search { flex-wrap: wrap; }
  .search input { height: 52px; font-size: 17px; }
  .ai-btn { height: 44px; width: 100%; }
  .hint-keys { display: none; }
  .res { grid-template-columns: 1fr auto; padding: 12px 4px; }
  .res .r-code { grid-column: 1; flex-direction: row; align-items: center; }
  .res .meta { grid-column: 2; grid-row: 1; }
  .res .name { grid-column: 1 / -1; }
  .acts { grid-column: 1 / -1; }
  .group-list li { grid-template-columns: 1fr; gap: 2px; }
  .syn-add { grid-template-columns: 1fr; }
  .empty-lead { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) { .toast { transition: none; } }

.tr-to::first-letter { text-transform: uppercase; }
.tr-to { display: inline-block; }