/* Палитра и приёмы — из sleep-site: тёмная тема по умолчанию, светлая по кнопке (data-theme ставится до отрисовки). */
:root { --radius: 14px; }
:root, :root[data-theme="dark"] {
  --bg: #14151f; --surface: #1c1e2b; --surface-2: #242739; --text: #e7e9f5; --text-muted: #9498b0;
  --border: #2d3046; --primary: #7c8bfa; --primary-hover: #96a2ff; --accent: #b0a2f2;
  --good: #5fce8f; --warn: #e6b34f; --bad: #e8707f; --shadow: 0 1px 3px rgba(0,0,0,.35);
  --grid: #2a2d41;
}
:root[data-theme="light"] {
  --bg: #f3f5fb; --surface: #fff; --surface-2: #eef1fb; --text: #1f2436; --text-muted: #6b7086;
  --border: #dde1f0; --primary: #4f5fce; --primary-hover: #3d4bb0; --accent: #8b7fd6;
  --good: #3fa66b; --warn: #d99a2b; --bad: #d1495b; --shadow: 0 1px 3px rgba(31,36,54,.08), 0 1px 2px rgba(31,36,54,.06);
  --grid: #e6e9f4;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.45; font-size: 15px; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--text-muted); }
.small { font-size: 13px; }

/* шапка */
.topbar { display: flex; align-items: center; gap: 6px; padding: 10px 20px; background: var(--surface);
  border-bottom: 1px solid var(--border); flex-wrap: wrap; position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-right: 18px; color: var(--text); }
.brand .logo { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-size: 15px; }
.brand small { display: block; font-weight: 400; font-size: 12px; color: var(--text-muted); }
.topbar nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.topbar nav a { padding: 7px 12px; border-radius: 10px; color: var(--text); font-size: 14px; font-weight: 600; }
.topbar nav a:hover { background: var(--surface-2); text-decoration: none; }
.topbar nav a.active { background: var(--surface-2); color: var(--primary); }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text); font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { border-color: var(--primary); text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.theme-toggle { width: 36px; height: 36px; justify-content: center; padding: 0; }
.seg { display: inline-flex; padding: 3px; border-radius: 11px; background: var(--surface-2); border: 1px solid var(--border); }
.seg a { padding: 6px 12px; border-radius: 8px; font-size: 13px; font-weight: 600; color: var(--text-muted); white-space: nowrap; }
.seg a:hover { text-decoration: none; color: var(--text); }
.seg a.on { background: var(--primary); color: #fff; }
.demo-banner.real { background: color-mix(in srgb, var(--good) 12%, var(--surface)); border-color: color-mix(in srgb, var(--good) 40%, var(--border)); }
.pager { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 18px; align-items: center; }
.pager a, .pager span { padding: 6px 11px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface); font-size: 13px; font-weight: 600; }
.pager span.on { border-color: var(--primary); color: var(--primary); }
.log { font: 12px/1.5 ui-monospace, Consolas, monospace; background: var(--surface-2); border-radius: 10px; padding: 10px 12px; max-height: 240px; overflow: auto; white-space: pre-wrap; }
.checks { display: flex; gap: 14px; flex-wrap: wrap; margin: 10px 0 14px; font-size: 14px; }
.status.err::before { background: var(--bad); box-shadow: 0 0 0 3px color-mix(in srgb, var(--bad) 25%, transparent); }

.demo-banner { max-width: 1240px; margin: 14px auto 0; padding: 10px 16px; border-radius: 12px; font-size: 13px;
  background: color-mix(in srgb, var(--primary) 12%, var(--surface)); border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--border)); }
main { max-width: 1240px; margin: 0 auto; padding: 18px 20px 48px; }
h1 { font-size: 24px; margin: 6px 0 4px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.subtitle { color: var(--text-muted); margin: 0 0 18px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.grid { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .cols-2 { grid-template-columns: 1fr; } }

/* плитки */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.tile .v { font-size: 26px; font-weight: 700; letter-spacing: -.5px; }
.tile .l { color: var(--text-muted); font-size: 13px; }
.tile .v.good { color: var(--good); } .tile .v.bad { color: var(--bad); } .tile .v.warn { color: var(--warn); } .tile .v.prim { color: var(--primary); }

/* таблицы */
table { border-collapse: collapse; width: 100%; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .3px; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-2); }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.thumb { width: 44px; height: 44px; border-radius: 10px; object-fit: cover; background: #fff; border: 1px solid var(--border); display: block; }
.pname { font-weight: 600; color: var(--text); }
.pname:hover { color: var(--primary); }

/* бейджи */
.badge { display: inline-block; min-width: 26px; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; text-align: center; }
.cls-A { background: color-mix(in srgb, var(--good) 22%, transparent); color: var(--good); }
.cls-B { background: color-mix(in srgb, var(--primary) 22%, transparent); color: var(--primary); }
.cls-C { background: color-mix(in srgb, var(--warn) 22%, transparent); color: var(--warn); }
.cls-D { background: color-mix(in srgb, var(--text-muted) 20%, transparent); color: var(--text-muted); }
.cls-NEW { background: color-mix(in srgb, var(--accent) 25%, transparent); color: var(--accent); }
.status { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 13px; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 25%, transparent); }
.site-dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.up { color: var(--good); } .down { color: var(--bad); }

/* индекс */
.meter { position: relative; height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; min-width: 90px; }
.meter i { position: absolute; inset: 0 auto 0 0; border-radius: 999px; background: linear-gradient(90deg, var(--warn), var(--good)); }
.idx { display: flex; align-items: center; gap: 10px; }
.idx b { width: 30px; text-align: right; font-variant-numeric: tabular-nums; }

/* каталог */
.catalog { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 860px) { .catalog { grid-template-columns: minmax(0, 1fr); } }
.pcard svg { max-width: 100%; }
.tree { position: sticky; top: 76px; padding: 10px; max-height: calc(100vh - 100px); overflow: auto; }
.tree a { display: flex; justify-content: space-between; gap: 8px; padding: 6px 10px; border-radius: 9px; color: var(--text); font-size: 14px; }
.tree a:hover { background: var(--surface-2); text-decoration: none; }
.tree a.on { background: color-mix(in srgb, var(--primary) 16%, transparent); color: var(--primary); font-weight: 600; }
.tree .sub a { padding-left: 24px; font-size: 13px; color: var(--text-muted); }
.tree .sub a.on { color: var(--primary); }
.tree .cnt { color: var(--text-muted); font-size: 12px; }
.tree h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--text-muted); margin: 6px 10px 8px; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.search { flex: 1; min-width: 220px; padding: 9px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 6px 11px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 13px; font-weight: 600; }
.chip.on { border-color: var(--primary); color: var(--primary); }
.chip:hover { text-decoration: none; border-color: var(--primary); }
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.pcard { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); color: var(--text); transition: transform .12s, border-color .12s; }
.pcard:hover { transform: translateY(-2px); border-color: var(--primary); text-decoration: none; }
.pcard .img { height: 150px; background: #fff; display: grid; place-items: center; position: relative; }
.pcard .img img { max-width: 100%; max-height: 150px; object-fit: contain; }
.pcard .img .badge { position: absolute; top: 10px; left: 10px; }
.pcard .body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.pcard .n { font-weight: 600; font-size: 14px; line-height: 1.3; }
.pcard .a { font-size: 12px; color: var(--text-muted); }
.pcard .row { display: flex; justify-content: space-between; align-items: end; gap: 8px; margin-top: auto; }
.pcard .price { font-weight: 700; }
.pcard .sold { font-size: 12px; color: var(--text-muted); }

/* графики */
svg.chart { display: block; width: 100%; height: auto; }
svg .gridline { stroke: var(--grid); stroke-width: 1; }
svg .axis { fill: var(--text-muted); font-size: 11px; }
svg .bar { fill: var(--primary); opacity: .85; }
svg .bar:hover { opacity: 1; }
svg .rest { fill: var(--good); }
svg .dlabel { font-size: 11px; font-weight: 700; }
svg .dlabel.down { fill: var(--bad); } svg .dlabel.up { fill: var(--good); } svg .dlabel.zero { fill: var(--text-muted); }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--text-muted); margin-top: 8px; }

/* карточка товара */
.phead { display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: start; }
@media (max-width: 700px) { .phead { grid-template-columns: 1fr; } }
.phead .photo { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); height: 220px; display: grid; place-items: center; overflow: hidden; }
.phead .photo img { max-width: 100%; max-height: 220px; object-fit: contain; }
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 14px; }
.kv div { background: var(--surface-2); border-radius: 12px; padding: 10px 12px; }
.kv b { display: block; font-size: 20px; }
.kv span { color: var(--text-muted); font-size: 12px; }
.crumbs { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.scroll { overflow-x: auto; }
.section { margin-top: 16px; }

/* модальное окно */
dialog { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text); padding: 22px; max-width: 480px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(10, 12, 20, .55); }
dialog input { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); font: inherit; margin: 8px 0 12px; }
.note { font-size: 13px; color: var(--text-muted); background: var(--surface-2); border-radius: 10px; padding: 10px 12px; }

@media (max-width: 1280px) { .demo-banner { margin: 14px 20px 0; } }
@media (max-width: 600px) {
  main { padding: 14px 16px 40px; }
  .topbar { padding: 10px 16px; }
  .topbar nav { order: 3; flex: 1 0 100%; flex-wrap: nowrap; overflow-x: auto; margin: 4px -4px 0; }
  .topbar nav a { white-space: nowrap; }
  .brand { margin-right: auto; }
  .demo-banner { margin: 12px 16px 0; }
  .hide-sm { display: none; }
  h1 { font-size: 20px; }
  .tree { position: static; max-height: none; }
  .pgrid { grid-template-columns: 1fr; }
}