:root {
  --bg: #0b0f1a;
  --bg2: #0a1020;
  --card: #0c1222;
  --muted: #9aa4b2;
  --text: #e8eaee;
  --primary: #7c3aed;
  --accent: #06b6d4;
  --border: #0f172a;
  --ring: #1e293b;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji"; color: var(--text); background:
  radial-gradient(800px 300px at 10% 0%, #0c1326 0%, rgba(0,0,0,0) 70%),
  radial-gradient(800px 300px at 90% 100%, #0a132e 0%, rgba(0,0,0,0) 70%),
  var(--bg);
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 1px solid var(--border); position: sticky; top: 0; background: rgba(8,12,24,0.75); backdrop-filter: blur(8px); z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.logo { font-weight: 700; color: var(--text); text-decoration: none; font-size: 18px; letter-spacing: 0.2px; }
.nav a { color: var(--muted); text-decoration: none; margin-left: 16px; transition: color .15s ease; }
.nav a:hover { color: var(--text); }
.nav .btn { background: linear-gradient(135deg, rgba(124,58,237,0.95), rgba(6,182,212,0.85)); color: #0b1020; padding: 8px 12px; border-radius: 8px; font-weight: 700; }

.site-footer { border-top: 1px solid var(--border); margin-top: 40px; }
.site-footer .container { padding: 20px 16px; color: var(--muted); font-size: 14px; }

.page-title { display: flex; align-items: center; gap: 12px; margin: 22px 0; }
.page-title h1 { margin: 0; font-size: 26px; }
.page-title .muted { color: var(--muted); font-size: 14px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.ads-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card { border: 1px solid var(--border); background: linear-gradient(180deg, rgba(10,16,30,0.75), rgba(10,16,30,0.4)); border-radius: 12px; overflow: hidden; box-shadow: 0 0 0 1px rgba(255,255,255,0.02), 0 10px 30px rgba(0,0,0,0.25); }
.card .body { padding: 12px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 4px 0; color: var(--muted); font-size: 14px; }
.card .thumb { display: block; width: 100%; height: 150px; background: #070b14; object-fit: cover; }
.chip { display: inline-block; padding: 2px 8px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: 12px; margin-right: 6px; }

.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { color: var(--muted); font-size: 13px; }
.field input, .field select, .field textarea { background: #070b14; color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ring); box-shadow: 0 0 0 3px rgba(30,41,59,0.45); }
.btn-row { display: flex; gap: 10px; margin-top: 6px; }
.btn-primary { background: linear-gradient(135deg, rgba(124,58,237,0.95), rgba(6,182,212,0.85)); color: #0b1020; border: none; padding: 10px 14px; border-radius: 10px; font-weight: 700; cursor: pointer; box-shadow: 0 10px 20px rgba(0,0,0,0.25); }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); padding: 10px 14px; border-radius: 10px; cursor: pointer; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-secondary:hover { background: rgba(255,255,255,0.02); }

.layout { display: grid; grid-template-columns: 1.2fr 2fr; gap: 16px; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.detail { display: grid; grid-template-columns: 1fr 1.2fr; gap: 20px; }
@media (max-width: 800px) { .detail { grid-template-columns: 1fr; } }
.detail img { width: 100%; border-radius: 12px; border: 1px solid var(--border); }
.detail .meta { border: 1px solid var(--border); border-radius: 12px; padding: 12px; background: linear-gradient(180deg, rgba(10,16,30,0.75), rgba(10,16,30,0.4)); box-shadow: 0 0 0 1px rgba(255,255,255,0.02), 0 10px 30px rgba(0,0,0,0.25); }

.ad-card { display: flex; flex-direction: column; }
.ad-card .ad-thumb { height: 160px; object-fit: cover; }
.ad-card .ad-title { margin: 0 0 6px; font-size: 18px; overflow-wrap: anywhere; }
.ad-meta { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.ad-desc { color: var(--muted); margin: 6px 0 0; overflow-wrap: anywhere; }
.ad-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.ad-price strong { font-size: 16px; }

/* Line clamp helpers */
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.notice { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); background: rgba(34,211,238,0.06); color: #bfefff; }
.error { padding: 10px 12px; border-radius: 8px; border: 1px solid #7f1d1d; background: rgba(239,68,68,0.08); color: #fecaca; }