:root{
  --paper: #EDEEE6;
  --paper-line: #DBDCCF;
  --card: #F8F8F3;
  --ink: #1E232B;
  --ink-soft: #5B6472;
  --blue: #2E6E8E;
  --orange: #D2570A;
  --green: #3F7D52;
  --border: #D9DACC;
  --radius: 3px;
  --sans: 'Space Grotesk', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--paper);
  background-image:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
}

a{ color: inherit; }

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
  html{ scroll-behavior: auto; }
}

/* ---------- layout shell ---------- */
.wrap{ max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.wrap.narrow{ max-width: 1020px; }

header.site{
  position: sticky; top:0; z-index: 20;
  background: rgba(237,238,230,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.site-bar{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 28px; max-width: 1180px; margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:8px;
  text-decoration:none;
}
.brand-logo{ height: 34px; width: auto; display:block; }
.brand small{
  font-family: var(--mono); font-weight:400; font-size:0.68rem; color: var(--ink-soft);
  letter-spacing: 0.02em;
}
nav.primary{ display:flex; gap: 28px; }
nav.primary a{
  text-decoration:none; color: var(--ink-soft); font-size:0.92rem;
  border-bottom: 2px solid transparent; padding-bottom: 3px;
}
nav.primary a:hover, nav.primary a:focus-visible{ color: var(--ink); border-color: var(--orange); }
@media (max-width: 720px){ nav.primary{ display:none; } }

.crumb{ font-size:0.82rem; color: var(--ink-soft); padding: 20px 0 0; }
.crumb a{ text-decoration:none; color: var(--ink-soft); }
.crumb a:hover{ color:var(--orange); }

/* ---------- hero (homepage) ---------- */
.hero{ padding: 64px 0 40px; }
.hero-inner{ max-width: 720px; }
.hero h1{
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1.08;
  margin: 0 0 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hero p.lede{
  font-size: 1.08rem; color: var(--ink-soft); max-width: 52ch; margin: 0 0 32px;
}

form.lookup{
  display:flex; gap:0; max-width: 560px;
  border: 1.5px solid var(--ink); border-radius: var(--radius);
  background: var(--card); overflow:hidden;
}
form.lookup input{
  flex:1; border:0; background:transparent; padding: 15px 16px;
  font-family: var(--mono); font-size: 0.95rem; color: var(--ink);
}
form.lookup input:focus{ outline: none; }
form.lookup input::placeholder{ color: #9AA0A6; }
form.lookup button{
  border:0; background: var(--ink); color: var(--paper);
  padding: 0 22px; font-family: var(--sans); font-weight:600; font-size:0.92rem;
  cursor:pointer;
}
form.lookup button:hover{ background: var(--orange); }
form.lookup:focus-within{ border-color: var(--orange); }

.chips{ display:flex; flex-wrap:wrap; gap:8px; margin-top: 22px; }
.chip{
  font-family: var(--mono); font-size: 0.78rem;
  border: 1px solid var(--border); background: var(--card);
  padding: 7px 13px; border-radius: 999px; cursor:pointer; color: var(--ink-soft);
}
.chip:hover, .chip:focus-visible{ border-color: var(--ink); color: var(--ink); }
.chip[aria-pressed="true"]{ background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- section shells ---------- */
section.module{ padding: 44px 0; border-top: 1px solid var(--border); }
.module-head{
  display:flex; justify-content:space-between; align-items:flex-end; gap: 20px;
  margin-bottom: 22px;
}
.module-head h2{ font-size: 1.3rem; margin:0 0 6px; }
.module-head p{ margin:0; color: var(--ink-soft); font-size: 0.92rem; max-width: 48ch; }
.module-head .see-all{ font-size: 0.85rem; white-space:nowrap; text-decoration: underline; text-underline-offset: 3px; color: var(--ink-soft); }
.module-head .see-all:hover{ color: var(--orange); }

.grid{
  display:grid; grid-template-columns: repeat(auto-fill, minmax(230px,1fr));
  gap: 18px;
}

.card{
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  display:flex; flex-direction:column; overflow:hidden;
}
.card-media{
  aspect-ratio: 4/3; background: #DEDFD3;
  display:flex; align-items:center; justify-content:center;
  font-family: var(--mono); font-size: 0.72rem; color: #8B9089;
  position:relative;
}
.card-media svg{ width: 54%; height: auto; }
.card-media svg *{ stroke: var(--ink-soft); }
.card-media .badge{
  position:absolute; top:8px; left:8px;
  font-family: var(--mono); font-size: 0.68rem;
  background: var(--ink); color: var(--paper);
  padding: 3px 7px; border-radius: 2px;
}
.card-body{ padding: 14px 15px 16px; display:flex; flex-direction:column; gap:6px; flex:1; }
.card-cat{ font-family: var(--mono); font-size: 0.68rem; color: var(--blue); }
.card-name{ font-size: 0.95rem; font-weight: 600; line-height:1.3; }
.card-item-no{ font-family: var(--mono); font-size: 0.72rem; color: var(--ink-soft); }
.card-price-row{
  margin-top:auto; padding-top: 10px; border-top: 1px dashed var(--border);
  display:flex; justify-content:space-between; align-items:baseline;
}
.card-price{ font-family: var(--mono); font-weight:500; font-size: 1.02rem; }
.card-price .cur{ font-size:0.7rem; color: var(--ink-soft); margin-right:2px; }
.card-sub{ font-size: 0.72rem; color: var(--ink-soft); }
.card-delta{ font-family: var(--mono); font-size: 0.72rem; }
.card-delta.up{ color: var(--green); }
.card-delta.gap{ color: var(--orange); }
.card:hover{ border-color: var(--ink); }

.empty-note{ font-size:0.9rem; color: var(--ink-soft); padding: 20px 0; }

/* ---------- product page head ---------- */
.head{ display:grid; grid-template-columns: 260px 1fr; gap: 34px; padding: 22px 0 12px; align-items:start; }
@media (max-width: 720px){ .head{ grid-template-columns: 1fr; } }

.box-art{
  aspect-ratio: 4/3; background:#D9DED2; border:1px solid var(--border); border-radius: var(--radius);
  display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:0.78rem; color:#7C8377;
  flex-direction: column; gap: 10px;
}
.box-art svg{ width: 38%; height: auto; }
.box-art svg *{ stroke: var(--ink-soft); }
.box-art span{ font-size: 0.68rem; color: var(--ink-soft); }

.status-badge{
  display:inline-block; font-family: var(--mono); font-size:0.72rem;
  background: var(--ink); color: var(--paper); padding:4px 9px; border-radius:2px; margin-bottom:10px;
}
.item-no{ font-family: var(--mono); font-size:0.82rem; color: var(--ink-soft); margin-bottom: 4px; }
h1{ font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 0 0 6px; line-height:1.1; }
.subline{ color: var(--ink-soft); font-size:0.95rem; margin: 0 0 18px; }

.quickstats{ display:flex; gap: 22px; flex-wrap:wrap; margin-bottom: 20px; }
.quickstats div{ font-size:0.85rem; }
.quickstats span.label{ display:block; color: var(--ink-soft); font-size:0.72rem; font-family: var(--mono); margin-bottom:2px; }
.quickstats span.val{ font-weight:600; }

.price-callout{
  display:flex; align-items:baseline; gap: 12px; background: var(--card);
  border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 14px 18px; max-width: 420px;
}
.price-callout .amount{ font-family: var(--mono); font-size: 1.5rem; font-weight:500; }
.price-callout .note{ font-size:0.8rem; color: var(--ink-soft); }

/* ---------- listings table ---------- */
.listing-controls{ display:flex; justify-content:flex-end; gap:8px; margin-bottom:12px; }
.sortbtn{
  font-family: var(--mono); font-size:0.72rem; border:1px solid var(--border); background:var(--card);
  padding:6px 11px; border-radius:999px; cursor:pointer; color: var(--ink-soft);
}
.sortbtn[aria-pressed="true"]{ background:var(--ink); color:var(--paper); border-color:var(--ink); }

table.listings{ width:100%; border-collapse: collapse; background: var(--card); border:1px solid var(--border); border-radius: var(--radius); overflow:hidden; }
table.listings th{
  text-align:left; font-family: var(--mono); font-size:0.68rem; font-weight:500; color: var(--ink-soft);
  padding: 10px 14px; border-bottom:1px solid var(--border); background:#F1F1EA;
}
table.listings td{ padding: 12px 14px; border-bottom:1px solid var(--border); font-size:0.88rem; vertical-align:middle; }
table.listings tr:last-child td{ border-bottom:0; }
.cond{
  font-family: var(--mono); font-size:0.68rem; padding: 3px 8px; border-radius:2px; white-space:nowrap;
  background:#E4E7DC; color: var(--ink-soft);
}
.cond.sealed{ background:#DCE7DC; color: var(--green); }
.cond.parts{ background:#EFE1D6; color:#8A5A2C; }
td.price{ font-family: var(--mono); font-weight:500; }
td.go a{ font-size:0.82rem; text-decoration: underline; text-underline-offset:2px; color: var(--blue); white-space:nowrap; }
td.go a:hover{ color: var(--orange); }
td.src{ color: var(--ink-soft); font-size:0.82rem; }

/* ---------- chart ---------- */
.chart-card{ background: var(--card); border:1px solid var(--border); border-radius: var(--radius); padding: 18px 22px 10px; }
.chart-legend{ display:flex; gap:18px; font-size:0.78rem; color: var(--ink-soft); margin-top:6px; }
.chart-legend span.dot{ display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:5px; }

/* ---------- editorial ---------- */
.editorial{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width:820px){ .editorial{ grid-template-columns: 1fr; } }
.ed-card{ background: var(--card); border:1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.ed-card h3{ font-size:0.95rem; margin:0 0 8px; }
.ed-card p{ margin:0; font-size:0.86rem; color: var(--ink-soft); }

/* ---------- profile grid ---------- */
.profile{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 18px 24px; }
@media (max-width:720px){ .profile{ grid-template-columns: repeat(2,1fr); } }
.profile div span.label{ display:block; font-family: var(--mono); font-size:0.68rem; color: var(--ink-soft); margin-bottom:3px; }
.profile div span.val{ font-weight:600; font-size:0.92rem; }

/* ---------- footer ---------- */
footer.site{ border-top:1px solid var(--border); padding: 30px 0 40px; margin-top: 10px; }
footer.site .foot-row{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:14px; align-items:center; }
footer.site p{ margin:0; color: var(--ink-soft); font-size: 0.85rem; }
footer.site .foot-links{ display:flex; gap:18px; font-size: 0.85rem; }
footer.site .foot-links a{ text-decoration:none; color: var(--ink-soft); }
footer.site .foot-links a:hover{ color: var(--orange); }

.fade-in{ animation: fadeUp 0.5s ease-out both; }
@keyframes fadeUp{ from{ opacity:0; transform: translateY(10px);} to{ opacity:1; transform:none; } }