:root {
  color-scheme: dark;
  --bg: #090b10;
  --panel: rgba(19, 23, 31, .82);
  --panel-solid: #13171f;
  --line: rgba(255,255,255,.09);
  --muted: #8e97a8;
  --text: #f3f6fb;
  --green: #8df0c8;
  --orange: #ffb86b;
  --blue: #7bb7ff;
  --danger: #ff7f8c;
  --font-eyebrow: 11px; --font-pageTitle: 52px; --font-subtitle: 15px;
  --font-livePill: 13px; --font-actionButton: 14px;
  --font-statLabel: 12px; --font-statValue: 22px; --font-searchText: 14px; --font-legend: 12px;
  --font-productTitle: 21px; --font-offerBadge: 11px; --font-lowestLabel: 12px; --font-lowestPrice: 29px;
  --font-merchantName: 15px; --font-rowPrice: 18px; --font-currency: 10px;
  --font-channel: 11px; --font-stock: 10px; --font-source: 11px; --font-updated: 11px;
  --font-merchantTag: 11px; --font-noteText: 11px; --font-noteLabel: 11px; --font-contact: 11px;
  --font-emptyState: 16px; --font-footer: 11px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -10%, rgba(61, 104, 140, .22), transparent 34%),
    radial-gradient(circle at 92% 15%, rgba(39, 113, 82, .18), transparent 32%),
    var(--bg);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
button, input { font: inherit; }
.ambient { position: fixed; pointer-events: none; filter: blur(90px); opacity: .16; border-radius: 999px; }
.ambient-one { width: 260px; height: 260px; background: var(--green); right: 5%; top: 34%; }
.ambient-two { width: 220px; height: 220px; background: var(--blue); left: -80px; bottom: 4%; }
.shell { width: min(1480px, calc(100% - 44px)); margin: 0 auto; padding: 46px 0 30px; position: relative; }
.topbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.eyebrow { color: var(--green); letter-spacing: .18em; font-weight: 700; font-size: var(--font-eyebrow); margin: 0 0 12px; }
h1 { font-size: var(--font-pageTitle); line-height: 1; letter-spacing: -.04em; margin: 0; }
.subtitle { color: var(--muted); margin: 14px 0 0; font-size: var(--font-subtitle); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.live-pill, .refresh-button { border: 1px solid var(--line); background: rgba(255,255,255,.04); border-radius: 12px; padding: 11px 14px; color: #cfd5df; }
.live-pill { font-size: var(--font-livePill); white-space: nowrap; }
.refresh-button { font-size: var(--font-actionButton); }
.live-pill span { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); margin-right: 6px; }
.refresh-button { cursor: pointer; transition: .2s ease; }
.refresh-button:hover { border-color: rgba(141,240,200,.45); color: var(--green); transform: translateY(-1px); }
.refresh-button:disabled { opacity: .5; cursor: wait; }
.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
.summary article { border: 1px solid var(--line); background: rgba(18,22,30,.6); border-radius: 16px; padding: 17px 19px; backdrop-filter: blur(14px); }
.summary span { display: block; color: var(--muted); font-size: var(--font-statLabel); margin-bottom: 7px; }
.summary strong { font-size: var(--font-statValue); letter-spacing: -.03em; }
.toolbar { display: flex; justify-content: space-between; gap: 18px; align-items: center; margin: 22px 0 18px; }
.search-box { width: min(430px, 100%); display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); background: rgba(17,21,28,.7); border-radius: 13px; padding: 0 14px; }
.search-box:focus-within { border-color: rgba(123,183,255,.42); }
.search-box svg { width: 18px; stroke: var(--muted); fill: none; stroke-width: 1.8; }
.search-box input { width: 100%; padding: 12px 0; border: 0; outline: 0; color: var(--text); background: transparent; font-size: var(--font-searchText); }
.legend { color: var(--muted); font-size: var(--font-legend); white-space: nowrap; }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin: 0 5px 1px 12px; }
.dot.fresh { background: var(--green); }
.dot.stale { background: var(--orange); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: start; }
.product-card { border: 1px solid var(--line); background: linear-gradient(180deg, rgba(22,27,36,.94), rgba(14,17,23,.88)); border-radius: 22px; overflow: hidden; box-shadow: 0 24px 70px rgba(0,0,0,.18); }
.product-card::before { content: ""; display: block; height: 3px; background: var(--accent); }
.product-head { padding: 21px 20px 18px; border-bottom: 1px solid var(--line); }
.product-title-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.product-title-row h2 { font-size: var(--font-productTitle); margin: 0; letter-spacing: -.025em; }
.offer-badge { font-size: var(--font-offerBadge); color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent); padding: 5px 8px; border-radius: 999px; white-space: nowrap; }
.lowest { display: flex; align-items: baseline; justify-content: space-between; margin-top: 19px; }
.lowest-label { color: var(--muted); font-size: var(--font-lowestLabel); }
.lowest-price { font-size: var(--font-lowestPrice); font-weight: 750; letter-spacing: -.045em; }
.lowest-price small { font-size: var(--font-currency); color: var(--muted); font-weight: 500; margin-left: 4px; }
.offer-list { padding: 8px; }
.offer-row { position: relative; padding: 15px 13px; border-radius: 14px; border: 1px solid transparent; transition: .18s ease; }
.offer-row + .offer-row { border-top-color: var(--line); border-radius: 0; }
.offer-row:hover { background: rgba(255,255,255,.035); border-color: var(--line); border-radius: 14px; }
.offer-row:hover + .offer-row { border-top-color: transparent; }
.offer-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: start; }
.merchant-name { font-weight: 650; font-size: var(--font-merchantName); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-price { font-weight: 730; font-size: var(--font-rowPrice); letter-spacing: -.025em; }
.row-price small { color: var(--muted); font-size: var(--font-currency); margin-left: 3px; }
.offer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-top: 9px; }
.channel { color: #dbe4ef; background: rgba(255,255,255,.065); border: 1px solid rgba(255,255,255,.08); padding: 4px 7px; border-radius: 7px; font-size: var(--font-channel); }
.source { color: var(--muted); font-size: var(--font-source); }
.updated { color: var(--muted); font-size: var(--font-updated); }
.stock { font-size: var(--font-stock); padding: 3px 6px; border-radius: 6px; }
.stock.available { color: var(--green); background: rgba(141,240,200,.08); }
.stock.limited { color: var(--orange); background: rgba(255,184,107,.08); }
.stock.unavailable { color: var(--danger); background: rgba(255,127,140,.08); }
.stale-mark { color: var(--orange); }
.rank { position: absolute; left: -1px; top: 18px; width: 3px; height: 22px; border-radius: 0 4px 4px 0; background: var(--accent); opacity: 0; }
.offer-row:first-child .rank { opacity: 1; }
.copy-contact { margin-top: 10px; padding: 0; border: 0; color: #9eb3c9; background: transparent; font-size: var(--font-contact); cursor: pointer; }
.copy-contact:hover { color: var(--green); }
.merchant-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 9px; }
.merchant-tag { font-size: var(--font-merchantTag); line-height: 1; padding: 5px 7px; border-radius: 7px; border: 1px solid rgba(255,255,255,.09); color: #cbd4df; background: rgba(255,255,255,.045); }
.merchant-tag.positive { color: var(--green); border-color: rgba(141,240,200,.18); background: rgba(141,240,200,.07); }
.merchant-tag.warning { color: var(--orange); border-color: rgba(255,184,107,.18); background: rgba(255,184,107,.07); }
.merchant-tag.danger { color: var(--danger); border-color: rgba(255,127,140,.2); background: rgba(255,127,140,.075); }
.merchant-tag.more { color: var(--muted); }
.note-block { width: 100%; display: block; margin-top: 9px; padding: 8px 9px; border: 1px solid rgba(123,183,255,.1); border-radius: 9px; color: #9eacbd; background: rgba(123,183,255,.035); text-align: left; cursor: pointer; font-size: var(--font-noteText); line-height: 1.55; }
.note-block:hover { border-color: rgba(123,183,255,.22); background: rgba(123,183,255,.055); }
.note-line { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: var(--note-lines, 1); }
.note-line + .note-line { margin-top: 2px; }
.note-line b { color: #becadd; font-weight: 600; font-size: var(--font-noteLabel); }
.note-block.expanded .note-line { display: block; overflow: visible; }
body[data-note-lines="1"] { --note-lines: 1; }
body[data-note-lines="2"] { --note-lines: 2; }
body[data-note-lines="3"] { --note-lines: 3; }
body[data-density="compact"] .offer-row { padding-top: 11px; padding-bottom: 11px; }
body[data-density="compact"] .offer-meta, body[data-density="compact"] .merchant-tags, body[data-density="compact"] .note-block { margin-top: 6px; }
body[data-density="comfortable"] .offer-row { padding-top: 20px; padding-bottom: 20px; }
body[data-density="comfortable"] .offer-meta, body[data-density="comfortable"] .merchant-tags, body[data-density="comfortable"] .note-block { margin-top: 12px; }
.settings-backdrop { position: fixed; inset: 0; z-index: 40; background: rgba(2,4,8,.5); opacity: 0; pointer-events: none; transition: .22s ease; backdrop-filter: blur(3px); }
.settings-backdrop.open { opacity: 1; pointer-events: auto; }
.settings-panel { position: fixed; z-index: 41; top: 0; right: 0; width: min(380px, 92vw); height: 100vh; padding: 25px; border-left: 1px solid var(--line); background: rgba(14,17,23,.97); box-shadow: -24px 0 70px rgba(0,0,0,.4); transform: translateX(102%); transition: transform .24s ease; overflow-y: auto; }
.settings-panel.open { transform: translateX(0); }
.settings-head { display: flex; align-items: flex-start; justify-content: space-between; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.settings-head span { color: var(--green); font-size: 10px; letter-spacing: .18em; }
.settings-head h2 { margin: 5px 0 0; font-size: 24px; }
.settings-head button { width: 34px; height: 34px; padding: 0; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: rgba(255,255,255,.04); font-size: 22px; cursor: pointer; }
.design-mode-notice { margin: 16px 0 0; padding: 10px 11px; border: 1px solid rgba(141,240,200,.18); border-radius: 9px; color: var(--green); background: rgba(141,240,200,.055); font-size: 11px; line-height: 1.6; }
.typography-editor { margin-top: 18px; border: 1px solid var(--line); border-radius: 13px; overflow: hidden; }
.editor-title { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 13px 14px; background: rgba(255,255,255,.035); }
.editor-title span { color: var(--text); font-size: 14px; font-weight: 650; }
.editor-title small { color: var(--muted); font-size: 10px; }
.font-size-controls { max-height: 52vh; overflow-y: auto; padding: 0 13px; }
.font-size-row { display: grid; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.font-size-row:last-child { border-bottom: 0; }
.font-size-label { display: flex; justify-content: space-between; gap: 12px; color: #d9e0e9; font-size: 12px; }
.font-size-label output { color: var(--green); font-variant-numeric: tabular-nums; }
.font-size-row input { width: 100%; accent-color: var(--green); }
.export-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.danger-reset { color: var(--orange); }
.setting-row { display: grid; gap: 11px; padding: 19px 0; border-bottom: 1px solid var(--line); color: #d9e0e9; font-size: 13px; }
.setting-row > span { display: flex; justify-content: space-between; }
.setting-row output { color: var(--green); }
.setting-row input[type="range"] { width: 100%; accent-color: var(--green); }
.setting-row select { width: 100%; padding: 10px 11px; border: 1px solid var(--line); border-radius: 9px; color: var(--text); background: #171c25; outline: 0; }
.setting-toggle { display: flex; gap: 9px; align-items: center; padding: 18px 0; color: #d9e0e9; font-size: 13px; }
.setting-toggle input { accent-color: var(--green); }
.reset-settings { width: 100%; margin-top: 8px; padding: 11px; border: 1px solid var(--line); border-radius: 10px; color: #d4dbe5; background: rgba(255,255,255,.04); cursor: pointer; }
.reset-settings:hover { border-color: rgba(141,240,200,.35); color: var(--green); }
.settings-tip { color: var(--muted); font-size: 11px; line-height: 1.6; margin-top: 14px; }
.empty-state, .loading-panel, .error-panel { grid-column: 1 / -1; border: 1px dashed var(--line); border-radius: 18px; padding: 50px 24px; color: var(--muted); text-align: center; font-size: var(--font-emptyState); }
.product-card .empty-state { padding: 42px 14px; border: 0; }
footer { display: flex; justify-content: space-between; color: #666f7e; font-size: var(--font-footer); margin-top: 22px; padding: 0 4px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; background: #edf9f4; color: #12251d; border-radius: 10px; padding: 10px 15px; font-size: 13px; transition: .2s ease; box-shadow: 0 12px 40px rgba(0,0,0,.35); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
@media (max-width: 1050px) { .product-grid { grid-template-columns: 1fr; } .product-card { max-width: none; } }
@media (max-width: 720px) {
  .shell { width: min(100% - 24px, 1480px); padding-top: 26px; }
  .topbar, .toolbar { align-items: stretch; flex-direction: column; }
  .header-actions { justify-content: space-between; }
  .summary { grid-template-columns: repeat(2, 1fr); }
  .legend { white-space: normal; }
  footer { flex-direction: column; gap: 6px; }
}