:root {
  --bg: #070b14;
  --bg2: #0d1424;
  --panel: #121a2b;
  --line: #243049;
  --text: #e8eef8;
  --muted: #93a1b8;
  --accent: #2dd4a8;
  --accent2: #38bdf8;
  --danger: #fb7185;
  --radius: 12px;
  --font: "Segoe UI", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background:
    radial-gradient(1000px 500px at 10% -10%, rgba(45,212,168,.12), transparent 55%),
    radial-gradient(800px 400px at 90% 0%, rgba(56,189,248,.10), transparent 50%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(7,11,20,.82);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .85rem 0;
}
.brand {
  font-weight: 800; letter-spacing: .04em; font-size: 1.15rem;
  color: var(--text); text-decoration: none;
}
.brand span { color: var(--accent); }
.nav { display: flex; gap: .85rem; align-items: center; flex-wrap: wrap; font-size: .92rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--text); }
.pill {
  border: 1px solid var(--line); background: var(--panel);
  color: var(--text); border-radius: 999px; padding: .35rem .7rem; font-size: .85rem;
}

.hero {
  padding: 2.2rem 0 1.2rem;
}
.hero h1 {
  margin: 0 0 .5rem; font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.2;
}
.hero p { margin: 0; color: var(--muted); max-width: 42rem; }

.cascade {
  margin: 1.25rem 0 1.75rem;
  background: linear-gradient(180deg, #152036, #101827);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .75rem;
}
.cascade label {
  display: block; font-size: .75rem; color: var(--muted); margin-bottom: .3rem;
}
.cascade select, .cascade input, .field input, .field textarea, .field select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: .65rem .7rem;
}
.cascade .go {
  align-self: end;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  border: 0; border-radius: 8px; padding: .7rem 1rem;
  background: var(--accent); color: #042018; font-weight: 700; cursor: pointer;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn.secondary { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn.block { width: 100%; }

.meta-row {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem; margin: 0 0 1rem; color: var(--muted); font-size: .9rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  padding-bottom: 3rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex; flex-direction: column; gap: .55rem;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: #35507a; transform: translateY(-2px); }
.card .type {
  font-size: .7rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--accent2);
}
.card h3 { margin: 0; font-size: 1rem; line-height: 1.35; }
.card h3 a { color: var(--text); text-decoration: none; }
.card .seller { color: var(--muted); font-size: .85rem; }
.card .price { font-weight: 800; color: var(--accent); font-size: 1.05rem; margin-top: auto; }
.card .unit { color: var(--muted); font-size: .8rem; font-weight: 500; }

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.5rem;
}
.field { margin-bottom: 1rem; }
.field label { display: block; margin-bottom: .35rem; color: var(--muted); font-size: .85rem; }
.muted { color: var(--muted); }
.err { color: var(--danger); }
.ok { color: var(--accent); }
.footer {
  border-top: 1px solid var(--line); color: var(--muted);
  padding: 1.5rem 0 2rem; font-size: .85rem;
}

.detail {
  display: grid; grid-template-columns: 1.4fr .8fr; gap: 1.25rem;
  padding-bottom: 3rem;
}
.qty-row { display: flex; gap: .5rem; align-items: center; }
.qty-row input { width: 5rem; }

.chat-layout { display: grid; grid-template-columns: 240px 1fr; gap: 1rem; min-height: 420px; }
.chat-list a {
  display: block; padding: .7rem; border-radius: 8px; color: var(--text);
  border: 1px solid transparent;
}
.chat-list a.active, .chat-list a:hover { background: var(--bg2); border-color: var(--line); text-decoration: none; }
.chat-box { display: flex; flex-direction: column; height: 420px; }
.msgs { flex: 1; overflow: auto; padding: .75rem; background: var(--bg); border-radius: 8px; border: 1px solid var(--line); }
.msg { margin: .45rem 0; max-width: 80%; padding: .55rem .7rem; border-radius: 10px; background: #1a2438; }
.msg.me { margin-left: auto; background: #14352c; }
.chat-form { display: flex; gap: .5rem; margin-top: .75rem; }
.chat-form input { flex: 1; }

.admin-nav { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { border-bottom: 1px solid var(--line); padding: .55rem .4rem; text-align: left; }
.table th { color: var(--muted); font-weight: 600; }

@media (max-width: 900px) {
  .cascade { grid-template-columns: 1fr 1fr; }
  .detail, .chat-layout { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .cascade { grid-template-columns: 1fr; }
}

/* Required fields share one red marker throughout public forms. */
label:has(+ input[required])::before,
label:has(+ select[required])::before,
label:has(+ textarea[required])::before,
label:has(+ div input[required])::before { content: "* "; color: #f56c6c; font-weight: 700; }

/* Native select pickers support touch, keyboard and platform accessibility. */
.cascade > div { min-width: 0; }
.cascade select, .cascade input { width: 100%; min-height: 48px; font-size: 16px; box-sizing: border-box; }
.cascade select { appearance: auto; cursor: pointer; touch-action: manipulation; padding-right: 12px; }
.cascade select:disabled { opacity: .55; cursor: default; }
.cascade select:focus-visible, .cascade input:focus-visible { outline: 2px solid #20cba8; outline-offset: 2px; }
.cascade [hidden], #filterRetry[hidden] { display: none !important; }
#marketResults[aria-busy="true"] { opacity: .55; pointer-events: none; }
#filterStatus { min-height: 1.5em; font-size: .9rem; color: var(--muted, #94a3b8); }
@media (max-width: 900px) { .cascade { gap: 16px; } }
@media (max-width: 560px) { .cascade { padding: 16px; gap: 14px; } .cascade label { margin-bottom: 6px; } }

.hot-badge{display:inline-flex;align-items:center;gap:4px;flex:none;padding:3px 8px;border:1px solid rgba(251,146,60,.24);background:rgba(251,146,60,.09);color:#fdba74;border-radius:999px;font-size:11px;font-weight:600;line-height:16px;white-space:nowrap}.hot-badge svg{width:13px;height:13px}.product-card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:24px}.product-richtext{line-height:1.7;overflow-wrap:anywhere}.product-richtext blockquote{border-left:3px solid var(--accent);margin-left:0;padding-left:16px}

.product-richtext{overflow-x:auto}.product-richtext table{border-collapse:collapse;width:100%;margin:1rem 0}.product-richtext td,.product-richtext th{border:1px solid #44516a;padding:10px;min-width:65px;vertical-align:top}.product-richtext th{background:#202c42}.product-richtext img{max-width:100%;height:auto;display:inline-block}

/* Decorative game wordmark, kept behind all product information. */
.product-card{position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(145deg,rgba(56,189,248,.035),transparent 60%),var(--panel)}
.product-card > :not(.game-watermark){position:relative;z-index:1}
.product-card .game-watermark{position:absolute;z-index:0;top:-.18em;right:-.03em;max-width:95%;font-size:clamp(3rem,6vw,5.5rem);font-weight:900;line-height:1.1;letter-spacing:-.06em;color:rgba(148,163,184,.075);white-space:nowrap;overflow:hidden;pointer-events:none;user-select:none}

.market-pagination{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:8px;margin:28px 0;scroll-margin-top:90px}.market-pagination a{padding:9px 14px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--text);background:var(--panel)}.market-pagination a[aria-current]{background:var(--accent);color:#071118;border-color:var(--accent);font-weight:700}.market-pagination a:hover{border-color:var(--accent)}#marketResults{scroll-margin-top:90px}