:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --line: #e6e8ec;
  --text: #111827;
  --muted: #6b7280;
  --accent: #0d9488;
  --accent-ink: #ffffff;
  --accent-bg: #eaf6f5;
  --soft: #f2f4f7;
  --ok: #067647;   --ok-bg: #ecfdf3;
  --warn: #b54708; --warn-bg: #fffaeb;
  --bad: #b42318;  --bad-bg: #fef3f2;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  --overlay: rgba(16, 24, 40, 0.5);
  color-scheme: light;
  font-family: "Segoe UI", Inter, system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116;
    --panel: #161b22;
    --line: #2a313c;
    --text: #e6e9ef;
    --muted: #9aa4b2;
    --accent: #2dd4bf;
    --accent-ink: #052e2b;
    --accent-bg: #12312f;
    --soft: #1e252e;
    --ok: #4ade80;   --ok-bg: #12301f;
    --warn: #fbbf24; --warn-bg: #33270d;
    --bad: #f87171;  --bad-bg: #3a1717;
    --shadow: none;
    --overlay: rgba(0, 0, 0, 0.65);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
h1 { margin: 2px 0 0; font-size: 24px; letter-spacing: -0.01em; }
h2 { margin: 0 0 12px; font-size: 14px; font-weight: 600; }
h3 { margin: 8px 0 4px; font-size: 14px; font-weight: 600; }
p { margin: 0 0 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* layout */
.app { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--line); padding: 20px 14px; }
.brand { display: flex; gap: 10px; align-items: center; margin-bottom: 22px; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 13px;
}
.brand strong { display: block; font-size: 14px; }
.nav { display: grid; gap: 2px; }
.nav button {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; padding: 9px 11px; border: 0; border-radius: 9px;
  background: transparent; color: var(--muted); cursor: pointer; font-weight: 500;
}
.nav button:hover { background: var(--soft); color: var(--text); }
.nav button.active { background: var(--accent-bg); color: var(--accent); font-weight: 600; }
.statusbar { display: flex; justify-content: flex-end; align-items: center; gap: 10px; min-height: 30px; margin-bottom: 6px; font-size: 12px; }
.content { padding: 28px 32px 56px; min-width: 0; }
.page { display: none; }
.page.active { display: block; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }

/* primitives */
.panel, .kpi, .card, .empty {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px;
}
.stack { display: grid; gap: 16px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1 1 160px; min-width: 0; }
.muted { color: var(--muted); }
.eyebrow { color: var(--muted); font-size: 12px; margin: 0; text-transform: uppercase; letter-spacing: 0.06em; }
.mono { font-variant-numeric: tabular-nums; }
.mt0 { margin: 0; }
.mt6 { margin-top: 6px; }
.mt8 { margin-top: 8px; }
.mt12 { margin-top: 12px; }
.mt16 { margin-top: 16px; }
.mb16 { margin-bottom: 16px; }
.flat { box-shadow: none; }
fieldset.bare { border: 0; padding: 0; margin: 0; }
.static { cursor: default; }
.hr { border: 0; border-top: 1px solid var(--line); margin: 4px 0; }
.big-price { font-size: 22px; font-weight: 600; color: var(--accent); }
.form-search { max-width: 720px; }
.input-inline { width: 210px; margin: 0; }
.kpis-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.fig { margin: 0; }
.cap { color: var(--muted); font-size: 12px; margin-top: 6px; }
.table-narrow { min-width: 420px; }
.table-mid { min-width: 480px; }
.w120 { width: 120px; }
h1.sm { font-size: 20px; }

.button {
  background: var(--accent); color: var(--accent-ink); border: 1px solid transparent;
  border-radius: 9px; padding: 9px 14px; cursor: pointer; font-weight: 600;
}
.button:disabled { opacity: 0.55; cursor: default; }
.button.ghost { background: var(--panel); color: var(--text); border-color: var(--line); font-weight: 500; }
.button.sm { padding: 6px 10px; font-size: 13px; }
label { display: block; color: var(--muted); font-size: 12px; }
input, select {
  width: 100%; margin-top: 5px; padding: 9px 11px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
}
input:focus, select:focus { border-color: var(--accent); outline: none; }

.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kpi p { color: var(--muted); font-size: 12px; margin: 0; }
.kpi strong { display: block; font-size: 26px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi.slim { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.kpi.slim strong { font-size: 18px; margin: 0; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.tabs button {
  background: var(--panel); color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 13px; cursor: pointer;
}
.tabs button.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }

.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; background: var(--soft); color: var(--muted); white-space: nowrap;
}
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }

.banner { background: var(--bad-bg); color: var(--bad); padding: 10px 13px; border-radius: 10px; }
.banner.ok { background: var(--ok-bg); color: var(--ok); }
.note { background: var(--warn-bg); color: var(--warn); padding: 10px 13px; border-radius: 10px; }
.loader { color: var(--muted); padding: 24px 0; }
.empty { color: var(--muted); text-align: center; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(200px, 100%), 1fr)); gap: 12px; }
.card { cursor: pointer; padding: 12px; }
.card:hover { border-color: var(--accent); }
.box { position: relative; background: var(--soft); display: grid; place-items: center; overflow: hidden; }
.box > img { width: 100%; height: 100%; object-fit: cover; display: block; }
.box:empty::after { content: "Image unavailable"; color: var(--muted); font-size: 12px; text-align: center; padding: 8px; }
.shot { aspect-ratio: 1; border-radius: 9px; font-size: 12px; }
.card .price { color: var(--accent); font-weight: 600; font-variant-numeric: tabular-nums; }
.card small { color: var(--muted); display: block; font-size: 11px; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.split-detail { grid-template-columns: 300px minmax(0, 1fr); }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.list li { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.list .muted { font-size: 12px; }

.facts { display: grid; gap: 0; margin: 0; }
.facts div { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.facts dt, .facts .k { color: var(--muted); }
.facts dd, .facts .v { margin: 0; text-align: right; word-break: break-word; }

.table-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: 9px 14px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-size: 12px; font-weight: 600; }
tbody tr:last-child td { border-bottom: 0; }
td.num { font-variant-numeric: tabular-nums; }
tr.pick { cursor: pointer; }
tr.pick:hover td { background: var(--soft); }
tr.pick.on td { background: var(--accent-bg); }

.chart { display: flex; align-items: end; gap: 6px; height: 120px; }
.chart div { flex: 1; display: flex; flex-direction: column; justify-content: end; align-items: center; height: 100%; gap: 6px; }
.chart i { width: 100%; background: var(--accent); border-radius: 4px 4px 0 0; min-height: 2px; }
.chart small { color: var(--muted); font-size: 10px; }

.detail { display: none; }
.detail.open { display: grid; }
details > summary { cursor: pointer; color: var(--muted); font-size: 13px; }
details[open] > summary { margin-bottom: 12px; }

.spin { display: inline-block; width: 12px; height: 12px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: s 0.8s linear infinite; }
@keyframes s { to { transform: rotate(360deg); } }

@media (max-width: 960px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); padding: 14px 16px; }
  .brand { margin-bottom: 12px; }
  .nav { display: flex; flex-wrap: wrap; gap: 6px; }
  .nav button { flex: 1 1 auto; }
  .content { padding: 18px 16px 40px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split, .split-detail { grid-template-columns: minmax(0, 1fr); }
  h1 { font-size: 20px; }
  .kpi strong { font-size: 22px; }
}
@media (max-width: 560px) {
  .kpis { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(min(150px, 100%), 1fr)); }
  .page-head { align-items: stretch; }
  .row .button { flex: 1 1 auto; }
}

/* accessibility */
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.content:focus { outline: none; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

/* skeleton loaders */
.skel { background: linear-gradient(90deg, var(--soft) 25%, var(--line) 50%, var(--soft) 75%); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; border-radius: 8px; }
.skel-card { height: 250px; }
.skel-line { height: 14px; margin: 8px 0; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* cards */
.card { transition: border-color 0.15s, transform 0.15s; }
.card:hover { transform: translateY(-1px); }
.card .shot { position: relative; margin-bottom: 8px; }
.card .shot .badge { position: absolute; top: 8px; left: 8px; }
.card h3 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.9em; }

/* product dialog */
.dialog { border: 1px solid var(--line); border-radius: 16px; background: var(--panel); color: var(--text); padding: 0; width: min(920px, calc(100vw - 24px)); max-height: calc(100vh - 32px); overflow: auto; }
.dialog::backdrop { background: var(--overlay); }
.dialog-body { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 24px; padding: 24px; }
.dialog-close { position: absolute; top: 12px; right: 12px; }
.gallery { display: grid; gap: 10px; align-content: start; }
.gallery .shot { aspect-ratio: 1; }
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 8px; }
.thumbs button { padding: 0; border: 2px solid transparent; border-radius: 8px; background: none; cursor: pointer; }
.thumbs button.on { border-color: var(--accent); }
.thumbs .shot { aspect-ratio: 1; border-radius: 6px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.compare figcaption { color: var(--muted); font-size: 11px; margin-top: 4px; text-align: center; }
.sticky-actions { position: sticky; bottom: 0; background: var(--panel); padding-top: 12px; }

/* toasts */
.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 200; max-width: min(360px, calc(100vw - 32px)); }
.toast { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 10px; box-shadow: 0 6px 20px rgba(0,0,0,0.25); }
.toast.bad { background: var(--bad); color: #fff; }

/* pager */
.pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; }

@media (max-width: 760px) {
  .dialog-body { grid-template-columns: minmax(0, 1fr); padding: 16px; }
  .nav button span { display: inline; }
}

.progress { height: 8px; border-radius: 999px; background: var(--soft); overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--accent); transition: width 0.3s; }
input.check { width: auto; margin: 0 8px 0 0; }

/* options / specifications: one compact row each, the rest behind "See more" */
.opts { display: grid; gap: 6px; }
.opts h3 { margin: 4px 0 2px; }
.opt { display: grid; grid-template-columns: minmax(84px, 160px) minmax(0, 1fr); gap: 4px 12px; align-items: baseline; }
.opt-name { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.opt-values { min-width: 0; overflow-wrap: anywhere; }
.link { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font: inherit; font-size: 12px; font-weight: 600; text-align: left; justify-self: start; }
.opts > .link { margin-top: 2px; }
@media (max-width: 480px) { .opt { grid-template-columns: minmax(0, 1fr); gap: 0; } }
.link:hover { text-decoration: underline; }
.desc { white-space: pre-line; overflow-wrap: anywhere; }
.reasons { margin: 4px 0 0; padding-left: 18px; }
.card small.reason { color: var(--bad); margin-top: 4px; }

/* rules page */
.form-wide { max-width: 860px; }
.table-rules { min-width: 640px; }
.rule-actions { flex-wrap: wrap; }
.table-rules td input { margin: 0; min-width: 160px; }