:root{
  --bg:#fff; --txt:#111318; --sub:#6b7280; --line:#ececef;
  --pill:#f3f4f6; --ok:#16a34a; --danger:#e11d48;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
img{max-width:100%}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hwrap{max-width:1560px;margin:0 auto;display:flex;align-items:center;gap:6px;padding:14px 28px}
.logo{font-weight:700;font-size:19px;letter-spacing:-.4px;display:flex;align-items:center;gap:9px}
.logo svg{display:block}
.spacer{flex:1}
.navpill{font-size:13.5px;font-weight:600;color:var(--sub);padding:7px 14px;border-radius:20px}
.navpill:hover{color:var(--txt);background:var(--pill)}

/* ---------- Layout ---------- */
.wrap{max-width:1560px;margin:0 auto;padding:0 28px}
.sect{font-size:19px;font-weight:800;letter-spacing:-.3px;margin:26px 0 6px}
.sub{color:var(--sub);font-size:14px;margin-bottom:14px}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:8px;margin:4px 0 18px;flex-wrap:wrap}
.tab{border:1px solid var(--line);background:#fff;color:var(--sub);padding:8px 16px;border-radius:20px;font-size:13.5px;font-weight:600;transition:.15s}
.tab.active{background:#111318;border-color:#111318;color:#fff}
.tab:hover:not(.active){color:var(--txt);background:var(--pill)}

/* ---------- Masonry ---------- */
.gallery{columns:6 220px;column-gap:10px;padding-bottom:60px}
.gallery.small{columns:8 160px;padding-bottom:30px}
.card{break-inside:avoid;margin-bottom:10px;border-radius:12px;overflow:hidden;position:relative;display:block;background:#f2f2f4}
.card img{width:100%;display:block;transition:transform .4s ease}
.card:hover img{transform:scale(1.035)}
.badge{position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:14px;backdrop-filter:blur(8px);opacity:0;transition:.2s}
.badge.nb{background:rgba(255,255,255,.92);color:#7a5b00}
.badge.gpt{background:rgba(255,255,255,.92);color:#0b4ea2}
.card:hover .badge{opacity:1}
.overlay{position:absolute;inset:auto 0 0 0;padding:44px 12px 12px;background:linear-gradient(transparent,rgba(0,0,0,.72));opacity:0;transition:.2s;color:#fff;display:block}
.card:hover .overlay{opacity:1}
.overlay .ot{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.orow{display:flex;align-items:center;gap:8px}
.byline{font-size:12px;color:#e8eaee;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.byline:hover{text-decoration:underline}
.copybtn{background:#fff;color:#111;border:none;font-size:12px;font-weight:700;padding:6px 13px;border-radius:16px}
.copybtn.copied{background:var(--ok);color:#fff}

/* ---------- Detail ---------- */
.detail{padding-top:22px}
.crumbs{font-size:13px;color:var(--sub);margin-bottom:16px}
.crumbs a{color:#0b4ea2}
.crumbs span{margin:0 4px}
.dgrid{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:start}
.dimgs{display:flex;flex-direction:column;gap:10px}
.dimgs img{border-radius:14px;display:block;width:100%}
.dbody h1{font-size:26px;font-weight:800;letter-spacing:-.4px;margin-bottom:12px}
.mmeta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.chip{font-size:11.5px;background:var(--pill);color:var(--sub);padding:5px 11px;border-radius:13px;font-weight:600}
.chip.model{background:#fff7dc;color:#7a5b00}
.chip.model.gpt{background:#e8f1ff;color:#0b4ea2}
.plabel{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--sub);margin-bottom:8px}
.prompt-box{background:#f8f8fa;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:13.5px;line-height:1.65;color:#33363d;white-space:pre-wrap;font-family:inherit;margin-bottom:12px}
.bigcopy{background:#111318;border:none;color:#fff;font-weight:700;font-size:14px;padding:13px;border-radius:12px;width:100%;transition:.15s}
.bigcopy:hover{opacity:.88}
.bigcopy.copied{background:var(--ok)}
.srcbox{border-top:1px solid var(--line);margin-top:16px;padding-top:14px;font-size:13px;color:var(--sub);line-height:1.7}
.srcbox a{color:#0b4ea2;font-weight:600}
.srcbox a:hover{text-decoration:underline}
.related{margin-top:34px}
@media(max-width:780px){.dgrid{grid-template-columns:1fr}}

/* ---------- Prose (about/terms/privacy) ---------- */
.prose{max-width:760px;padding-top:34px;padding-bottom:70px}
.prose h1{font-size:30px;font-weight:800;letter-spacing:-.5px;margin-bottom:10px}
.prose h2{font-size:17px;font-weight:700;margin:26px 0 8px}
.prose p{font-size:14.5px;line-height:1.75;color:#33363d;margin-bottom:10px}
.prose a{color:#0b4ea2}
.prose a:hover{text-decoration:underline}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(90px);background:#111318;color:#fff;font-weight:600;padding:11px 24px;border-radius:26px;font-size:13.5px;transition:.25s;z-index:300;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.toast.show{transform:translateX(-50%) translateY(0)}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);color:var(--sub);font-size:12.5px;padding:24px 0}
.fwrap{max-width:1560px;margin:0 auto;padding:0 28px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.flinks a:hover{color:var(--txt)}

/* ================= Admin ================= */
.admin{max-width:1160px;margin:0 auto;padding:32px 28px 90px}
.loginbox{max-width:360px;margin:90px auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.loginbox h2{margin-bottom:18px;font-size:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--sub);margin-bottom:6px;font-weight:600}
.field input,.field select,.field textarea{width:100%;background:#fff;border:1px solid #d9dbe1;border-radius:10px;color:var(--txt);padding:10px 12px;font-size:14px;font-family:inherit}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid #11131822;border-color:#9aa0ab}
.field textarea{min-height:120px;resize:vertical}
.req{color:var(--danger)}
.err{color:var(--danger);font-size:13px;min-height:18px;margin-bottom:6px}
.ok-msg{color:var(--ok);font-size:13px;margin-bottom:10px;font-weight:600}
.btn{border:none;border-radius:10px;padding:10px 18px;font-weight:700;font-size:13.5px;transition:.15s;display:inline-block}
.btn.primary{background:#111318;color:#fff}
.btn.primary:hover{opacity:.88}
.btn.ghost{background:#fff;border:1px solid #d9dbe1;color:var(--sub)}
.btn.ghost:hover{color:var(--txt)}
.btn.danger{background:var(--danger);color:#fff}
.btn.sm{padding:6px 12px;font-size:12px}
.abar{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.abar h2{font-size:20px;flex:1;letter-spacing:-.3px}
.abar select,.abar input[type=text]{background:#fff;color:var(--txt);border:1px solid #d9dbe1;border-radius:10px;padding:8px 10px;font-size:13px;font-family:inherit}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
th,td{padding:11px 12px;text-align:left;font-size:13px;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--sub);font-size:11px;text-transform:uppercase;letter-spacing:.06em;background:#fafafb}
tr:last-child td{border-bottom:none}
tr:hover td{background:#fafafb}
td img{width:52px;height:52px;object-fit:cover;border-radius:10px;display:block}
td a{color:#0b4ea2}
.status{font-size:11px;font-weight:700;padding:3px 10px;border-radius:10px}
.status.pub{background:#e7f6ec;color:var(--ok)}
.status.draft{background:var(--pill);color:var(--sub)}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.formgrid .full{grid-column:1/-1}
.formcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 10px 40px rgba(0,0,0,.05)}
.thumbs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.thumb{position:relative;width:86px}
.thumb img{width:86px;height:86px;object-fit:cover;border-radius:10px;display:block}
.thumb label{display:flex;gap:5px;align-items:center;font-size:11px;color:var(--sub);margin-top:4px}
.adminnav{display:flex;gap:6px;margin-bottom:22px;border-bottom:1px solid var(--line);padding-bottom:14px}
.adminnav a{font-size:13.5px;font-weight:600;color:var(--sub);padding:7px 14px;border-radius:20px}
.adminnav a.on{background:#111318;color:#fff}
.adminnav a:hover:not(.on){background:var(--pill);color:var(--txt)}
@media(max-width:700px){.formgrid{grid-template-columns:1fr}}