/*
 * Glowmeter base stylesheet.
 * Ported from demo/birch.html (R1 UX reviewer flagged the visual proven).
 * Day 1 scope = layout + colors + cards + typography. Charts, tables,
 * pill row styles arrive in Day 2/3.
 */

:root {
  --bg: #faf7f2;
  --paper: #ffffff;
  --ink: #1a1a1a;
  --muted: #6b6359;
  --line: #ece7df;
  --accent: #c47b3f;
  --accent-soft: #f4e7d6;
  --good: #2e7d32;
  --warn: #b8651a;
  --bad: #b03a3a;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); }
body {
  font-family: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: var(--ink);
  line-height: 1.55;
  font-size: 15px;
}
a { color: var(--accent); text-decoration: none;
    border-bottom: 1px dotted var(--accent); }
a:hover { color: var(--ink); }

.wrap { max-width: 780px; margin: 0 auto; padding: 32px 24px 64px; }

/* ---- Header ---- */
header.site {
  display: flex; align-items: baseline; gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px; margin-bottom: 28px;
}
header.site .brand {
  font-weight: 700; letter-spacing: -.01em; font-size: 18px;
  border-bottom: 0; color: var(--ink);
}
header.site .tagline { color: var(--muted); font-size: 13px; }
header.site .locale-switcher {
  margin-left: auto; display: flex; gap: 6px; font-size: 12px;
}
.loc-link {
  padding: 2px 8px; border-radius: 4px; border-bottom: 0;
  background: var(--paper); border: 1px solid var(--line);
  color: var(--muted); letter-spacing: .04em; font-weight: 600;
}
.loc-link.active {
  background: var(--accent-soft); color: var(--accent);
  border-color: #e6cca5;
}

/* ---- Typography ---- */
h1 {
  font-size: 26px; line-height: 1.25; margin: 0 0 4px;
  letter-spacing: -.01em;
}
.subtitle { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.muted { color: var(--muted); }
.strike { color: var(--muted); text-decoration: line-through; font-weight: 500; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  background: rgba(0, 0, 0, .04); padding: 1px 5px; border-radius: 3px;
}

/* ---- Cards ---- */
.card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: 10px; padding: 20px; margin: 20px 0;
  box-shadow: 0 1px 2px rgba(40, 30, 20, 0.04),
              0 4px 16px rgba(40, 30, 20, 0.025);
}
.card h2 {
  font-size: 13px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted);
  margin: 0 0 14px; padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.card p { margin: 0 0 10px; }
.card p:last-child { margin-bottom: 0; }

/* ---- Trending grid (Day-2) ---- */
.section-title {
  font-size: 13px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted);
  margin: 0 0 14px;
}
.trending-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 640px) {
  .trending-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.sku-card {
  display: block; padding: 14px; border-radius: 8px;
  background: var(--paper); border: 1px solid var(--line);
  color: var(--ink); border-bottom: 1px solid var(--line);
}
.sku-card:hover { border-color: var(--accent); }
.sku-brand { font-size: 11px; text-transform: uppercase;
  letter-spacing: .06em; color: var(--muted); }
.sku-name { font-size: 14px; font-weight: 500; margin: 4px 0 8px;
  line-height: 1.3; min-height: 2.6em; overflow: hidden; }
.sku-price { font-size: 16px; font-weight: 600; color: var(--accent); }
.sku-meta { font-size: 11px; color: var(--muted); margin-top: 4px; }
.sku-badge { display: inline-block; margin-top: 6px; padding: 2px 8px;
  border-radius: 10px; font-size: 10px; font-weight: 700; letter-spacing: .05em;
  text-decoration: none; border: 1px solid transparent; }
.badge-fake_sale { background: #fde8e8; color: #9b1c1c; border-color: #f5b5b5; }
.badge-true_low  { background: #def7ec; color: #03543f; border-color: #a7e6c7; }
.badge-normal_sale { background: #f3f4f6; color: #4b5563; border-color: #e5e7eb; }
.live-activity { font-size: 12px; padding-bottom: 6px;
  border-bottom: 1px solid #e6d9c0; margin-bottom: 6px; }

/* ---- Footer ---- */
footer.prov {
  margin-top: 28px; padding: 18px 20px; background: #f6f1e7;
  border: 1px solid #e6d9c0; border-radius: 10px;
  font-size: 13px; color: #4a3f30;
}
footer.prov .row { margin: 4px 0; }
.footnote { color: var(--muted); font-size: 11px; margin-top: 12px; }

/* ---- Day-3: SKU detail page ---- */
.sku-top { margin-bottom: 18px; }
.sku-title { font-size: 22px; margin: 0 0 8px; }
.sku-title-brand {
  display: block; font-size: 12px; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted); font-weight: 600;
}
.sku-title-name-kor { display: block; font-weight: 700; }
.sku-title-name-en {
  font-size: 14px; color: var(--muted); font-weight: 400;
  margin-top: 2px;
}
.sku-priceline { display: flex; gap: 10px; align-items: baseline;
  flex-wrap: wrap; margin-top: 8px; }
.sku-price-now { font-size: 22px; color: var(--accent); }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .04em; border: 1px solid var(--line);
}
.badge-good { background: #e9f5e9; color: var(--good); border-color: #c5e0c5; }
.badge-warn { background: #fbf0dc; color: var(--warn); border-color: #ecd2a5; }
.badge-bad  { background: #fbe7e7; color: var(--bad);  border-color: #ecc0c0; }
.fake-sale-banner { display: block; padding: 10px 12px; margin: 12px 0;
  font-size: 12px; text-transform: none; letter-spacing: 0; }

.hero-grid {
  display: grid; gap: 14px;
  grid-template-columns: 1.4fr 1fr;
}
@media (max-width: 720px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero-chart canvas { width: 100% !important; height: 220px !important; }

.inci-list { list-style: decimal inside; margin: 0; padding: 0;
  font-size: 13px; }
.inci-item { padding: 4px 0; border-bottom: 1px dotted var(--line); }
.inci-item:last-child { border-bottom: 0; }
.inci-token {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; color: var(--ink);
}
.inci-fn { color: var(--muted); margin-left: 6px; font-size: 11px; }
.inci-allergen { background: #fbf0dc; }
.inci-flag { color: var(--bad); font-size: 11px; margin-left: 6px;
  font-weight: 600; }

.merchant-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.merchant-table th, .merchant-table td {
  padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left;
}
.merchant-table th { font-size: 11px; text-transform: uppercase;
  letter-spacing: .06em; color: var(--muted); }
.merchant-table td.num, .merchant-table th.num { text-align: right;
  font-variant-numeric: tabular-nums; }

.kv { display: grid; grid-template-columns: max-content 1fr;
  gap: 4px 14px; font-size: 13px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.prov-footer { font-size: 12px; }

/* W-WEB-06 (2026-07-17): chart timeframe toggle */
.chart-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.5rem; flex-wrap: wrap; gap: 0.5rem; }
.chart-window-toggle { display: inline-flex; gap: 0; border: 1px solid #d9cfbe; border-radius: 6px; overflow: hidden; }
.chart-window-toggle .win-btn { background: transparent; border: 0; padding: 0.25rem 0.6rem; cursor: pointer; font: inherit; color: #7a6850; border-right: 1px solid #d9cfbe; }
.chart-window-toggle .win-btn:last-child { border-right: 0; }
.chart-window-toggle .win-btn:hover { background: rgba(196,123,63,.08); }
.chart-window-toggle .win-btn.active { background: #c47b3f; color: white; font-weight: 600; }
.chart-meta { text-align: right; font-size: 0.85em; margin-top: 0.25rem; }

/* W-WEB-09/10/11 (2026-07-17): sortable trending header, deals page, historical-low badge */
.trending-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.75rem; flex-wrap: wrap; gap: 0.5rem; }
.trending-controls { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.9em; }
.trending-controls .sort-label { color: var(--muted); }
.trending-controls select { padding: 0.25rem 0.4rem; border: 1px solid #d9cfbe; border-radius: 4px; background: white; font: inherit; color: #333; cursor: pointer; }
.trending-controls select:focus { outline: 2px solid #c47b3f; outline-offset: 1px; }
.trending-controls .deals-link { padding: 0.25rem 0.6rem; border: 1px solid #c47b3f; border-radius: 4px; color: #c47b3f; text-decoration: none; font-weight: 600; }
.trending-controls .deals-link:hover { background: #c47b3f; color: white; }

.sku-badges { display: inline-flex; gap: 4px; flex-wrap: wrap; margin: 4px 0; }
.badge-90d-low { background: #e3f2e3; color: #2e7d32; padding: 2px 6px; border-radius: 3px; font-size: 11px; font-weight: 600; }

/* Deals page */
.deals-tabs { display: inline-flex; gap: 0; border: 1px solid #d9cfbe; border-radius: 6px; overflow: hidden; margin: 1rem 0; }
.deals-tabs .deals-tab { padding: 0.4rem 0.9rem; text-decoration: none; color: #7a6850; border-right: 1px solid #d9cfbe; }
.deals-tabs .deals-tab:last-child { border-right: 0; }
.deals-tabs .deals-tab:hover { background: rgba(196,123,63,.08); }
.deals-tabs .deals-tab.active { background: #c47b3f; color: white; font-weight: 600; }
.deals-caveat { font-size: 0.9em; margin: 0.5rem 0 1rem; }
.deals-grid .deal-card { position: relative; }
.deal-pct { position: absolute; top: 0.5rem; right: 0.5rem; background: #d33; color: white; padding: 2px 8px; border-radius: 3px; font-weight: 700; font-size: 0.95em; }
.deal-baseline { color: var(--muted); font-size: 11px; margin-top: 2px; }