:root {
  --bg: #0b0d12;
  --panel: #131720;
  --panel-2: #1a202c;
  --line: #2a3241;
  --text: #f5f7fa;
  --muted: #97a2b2;
  --accent: #ff3b30;
  --accent-2: #ff8a00;
  --good: #35d07f;
  --warn: #ffc046;
  --bad: #ff5f68;
  --blue: #5da8ff;
  --shadow: 0 14px 30px rgba(0,0,0,.24);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% -10%, rgba(255,59,48,.16), transparent 32%),
    radial-gradient(circle at 84% 4%, rgba(93,168,255,.12), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
}
button, input, select { font: inherit; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px clamp(18px,4vw,54px);
  backdrop-filter: blur(18px);
  background: rgba(11,13,18,.82);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.brand-wrap { display:flex; gap:12px; align-items:center; }
.logo-mark {
  width:42px; height:42px; border-radius:12px;
  display:grid; place-items:center; font-weight:900; font-size:23px;
  background: linear-gradient(145deg, var(--accent), #ad1610);
  box-shadow: 0 8px 22px rgba(255,59,48,.26);
}
.brand { font-size:14px; font-weight:900; letter-spacing:.13em; }
.tagline { font-size:11px; color:var(--muted); margin-top:3px; }
.demo-badge { border:1px solid #465166; border-radius:999px; padding:7px 10px; color:#c7d0dd; font-size:10px; letter-spacing:.14em; }
main { width:min(1180px, calc(100% - 30px)); margin:0 auto; padding:44px 0 60px; }
.hero {
  display:grid; grid-template-columns:1.3fr .7fr; gap:34px;
  align-items:end; padding:38px 0 34px;
}
.eyebrow { color:#9ca8bb; font-size:11px; font-weight:800; letter-spacing:.17em; text-transform:uppercase; margin:0 0 10px; }
h1 { font-size:clamp(42px,7vw,78px); line-height:.98; margin:0; letter-spacing:-.045em; }
h1 span { color:var(--accent); }
.hero-copy { max-width:700px; color:#aab3c1; font-size:15px; line-height:1.85; margin-top:20px; }
.hero-stat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
.hero-stat { background:rgba(19,23,32,.84); border:1px solid var(--line); border-radius:18px; padding:18px 12px; box-shadow:var(--shadow); }
.hero-stat strong { display:block; font-size:27px; }
.hero-stat span { display:block; color:var(--muted); margin-top:5px; font-size:11px; }
.toolbar {
  background:linear-gradient(180deg, rgba(28,34,46,.94), rgba(18,22,30,.94));
  border:1px solid var(--line); border-radius:22px; padding:18px; box-shadow:var(--shadow);
  display:grid; gap:14px;
}
.search-wrap { position:relative; }
.search-icon { position:absolute; left:14px; top:50%; transform:translateY(-50%); color:#77849a; font-size:22px; }
.search-wrap input {
  width:100%; background:#0f131a; border:1px solid #2b3445; color:white;
  border-radius:14px; padding:14px 16px 14px 43px; outline:none;
}
.search-wrap input:focus { border-color:#5f6d85; box-shadow:0 0 0 3px rgba(93,168,255,.08); }
.quick-filters { display:flex; flex-wrap:wrap; gap:9px; }
.toggle input { display:none; }
.toggle span { display:inline-flex; align-items:center; border:1px solid #333d4e; background:#11161e; padding:9px 12px; border-radius:999px; color:#a9b4c4; font-size:12px; cursor:pointer; }
.toggle input:checked + span { color:#fff; background:#283142; border-color:#516076; box-shadow:inset 0 0 0 1px rgba(255,255,255,.04); }
.select-row { display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px; }
select { appearance:none; background:#11161e; border:1px solid #313b4c; color:#dce3ed; padding:11px 12px; border-radius:12px; }
.section-head { display:flex; align-items:end; justify-content:space-between; margin:34px 2px 16px; }
.section-head h2 { margin:0; font-size:26px; }
.section-head.compact { margin-top:0; }
.last-update { color:var(--muted); font-size:12px; }
.product-grid { display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:14px; }
.card {
  position:relative; overflow:hidden; background:linear-gradient(180deg, rgba(24,30,40,.98), rgba(16,20,28,.98));
  border:1px solid #293345; border-radius:20px; padding:18px; box-shadow:var(--shadow);
}
.card::before { content:""; position:absolute; inset:0 auto 0 0; width:4px; background:var(--good); }
.card.hot::before { background:linear-gradient(var(--accent), var(--accent-2)); }
.card.sold::before { background:#657085; }
.card-top { display:flex; align-items:start; justify-content:space-between; gap:14px; }
.card h3 { margin:0; font-size:18px; line-height:1.45; }
.meta { display:flex; flex-wrap:wrap; gap:6px; margin-top:8px; }
.pill { display:inline-flex; align-items:center; gap:5px; font-size:10px; color:#b6c0cf; background:#0d1118; border:1px solid #2b3445; border-radius:999px; padding:5px 8px; }
.status { font-weight:800; }
.status.available { color:var(--good); }
.status.sold { color:#8f9aad; }
.shop-block { margin-top:16px; padding:13px 14px; background:#0e131a; border:1px solid #293243; border-radius:14px; }
.shop-row { display:flex; justify-content:space-between; gap:12px; align-items:center; }
.shop-name { font-size:13px; font-weight:800; }
.price { text-align:right; font-weight:900; font-size:18px; }
.price small { display:block; color:var(--muted); font-size:10px; font-weight:600; margin-top:3px; }
.retail { color:var(--good); }
.over { color:var(--warn); }
.score-row { display:grid; grid-template-columns:1fr auto; gap:12px; align-items:center; margin-top:16px; }
.score-box { min-width:145px; }
.score-label { font-size:10px; color:var(--muted); }
.stars { color:#ffca45; letter-spacing:1px; font-size:16px; margin-top:3px; }
.score-text { font-size:11px; color:#c8d1df; margin-top:4px; }
.time-box { text-align:right; }
.time-box strong { display:block; font-size:15px; }
.time-box span { color:var(--muted); font-size:10px; }
.card-actions { display:grid; grid-template-columns:1fr auto; gap:8px; margin-top:16px; }
.buy-btn, .detail-btn { border:0; border-radius:12px; cursor:pointer; font-weight:800; }
.buy-btn { padding:12px 14px; color:white; background:linear-gradient(135deg, #e72a21, #ff5b3b); box-shadow:0 8px 20px rgba(255,59,48,.22); }
.buy-btn:disabled { background:#333b49; color:#8d98a7; box-shadow:none; cursor:not-allowed; }
.detail-btn { padding:12px 13px; color:#c8d1df; background:#252d3a; }
.alert-note { margin-top:12px; padding:9px 10px; border-radius:10px; background:rgba(255,192,70,.08); border:1px solid rgba(255,192,70,.18); color:#e4c47e; font-size:11px; line-height:1.55; }
.empty { grid-column:1/-1; padding:50px 20px; text-align:center; color:#8f9bac; border:1px dashed #374256; border-radius:18px; }
.timeline-section { margin-top:44px; }
.timeline { display:grid; gap:8px; }
.timeline-item { display:grid; grid-template-columns:86px 1fr auto; gap:12px; align-items:center; background:#121721; border:1px solid #252f40; border-radius:14px; padding:12px 14px; }
.timeline-time { color:#7f8ca1; font-variant-numeric:tabular-nums; font-size:12px; }
.timeline-product { font-weight:700; font-size:13px; }
.timeline-shop { color:#9aa5b6; font-size:11px; }
.timeline-score { color:#ffca45; font-size:12px; }
.about-card { margin-top:44px; display:grid; grid-template-columns:1fr 1.2fr; gap:24px; border:1px solid #2b3546; border-radius:20px; padding:24px; background:linear-gradient(135deg, rgba(27,33,45,.94), rgba(14,18,25,.94)); }
.about-card h2 { margin:0; font-size:22px; }
.about-card p:last-child { color:#9faabc; line-height:1.8; margin:0; }
footer { border-top:1px solid #232b39; color:#728095; font-size:11px; display:flex; justify-content:space-between; gap:12px; padding:24px clamp(18px,4vw,54px) 30px; }
dialog { width:min(720px, calc(100% - 24px)); color:var(--text); background:#151a23; border:1px solid #39465b; border-radius:22px; padding:24px; box-shadow:0 30px 80px rgba(0,0,0,.5); }
dialog::backdrop { background:rgba(3,5,8,.75); backdrop-filter: blur(4px); }
.dialog-close { position:absolute; right:14px; top:12px; border:0; background:#252d3a; color:white; width:34px; height:34px; border-radius:50%; cursor:pointer; font-size:20px; }
.detail-title { padding-right:46px; margin:0 0 6px; font-size:26px; }
.detail-sub { color:#98a4b6; font-size:12px; }
.detail-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:9px; margin-top:20px; }
.detail-stat { background:#0e131a; border:1px solid #2a3445; border-radius:13px; padding:12px; }
.detail-stat span { display:block; color:#8794a7; font-size:10px; }
.detail-stat strong { display:block; margin-top:5px; font-size:16px; }
.history { margin-top:22px; }
.history h4 { margin:0 0 10px; }
.history-row { display:grid; grid-template-columns:1fr 1fr 1fr; gap:8px; padding:9px 0; border-bottom:1px solid #252d3a; font-size:12px; }
.history-row span:last-child { text-align:right; }
@media (max-width:800px) {
  .hero { grid-template-columns:1fr; }
  .hero-stat-grid { margin-top:4px; }
  .product-grid { grid-template-columns:1fr; }
  .select-row { grid-template-columns:1fr; }
  .about-card { grid-template-columns:1fr; }
}
@media (max-width:520px) {
  main { width:min(100% - 20px,1180px); padding-top:24px; }
  .tagline { display:none; }
  .demo-badge { display:none; }
  .brand { font-size:12px; }
  .hero-stat strong { font-size:22px; }
  .hero-stat span { font-size:9px; }
  .timeline-item { grid-template-columns:62px 1fr; }
  .timeline-score { grid-column:2; }
  .detail-grid { grid-template-columns:1fr 1fr; }
  footer { flex-direction:column; }
}