:root{--bg:#0b1020;--panel:#121a2e;--line:#243049;--text:#e6ebf5;--muted:#94a3b8;--accent:#38bdf8;--accent-2:#0ea5e9;--err:#fb7185;--ok:#34d399}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
.top{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);max-width:1100px;margin:0 auto}
.brand{font-weight:700;color:var(--text);letter-spacing:.2px}.brand span{color:var(--accent);font-weight:500}
.top nav a{color:var(--muted);margin-left:16px}
.hero{padding:40px 0 20px}.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);margin:0 0 8px}.hero p{color:var(--muted);margin:0;max-width:60ch}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;padding:16px 0 48px}
.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden;color:var(--text)}
.card:hover{border-color:var(--accent);text-decoration:none}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#dfe6f0}
.card-body{padding:14px}.card h2{font-size:1.05rem;margin:0 0 6px}.card p{margin:0 0 8px;color:var(--muted);font-size:.93rem}
.meta{font-size:.8rem;color:var(--accent)}
.crumb{color:var(--muted);margin:16px 0 8px;font-size:.9rem}
.model{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding-bottom:48px}
@media (max-width:820px){.model{grid-template-columns:1fr}}
.preview{position:relative;background:#dfe6f0;border-radius:12px;overflow:hidden;aspect-ratio:16/10}
.preview img{width:100%;height:100%;object-fit:contain;display:block}
.preview-note{position:absolute;left:10px;bottom:8px;font-size:.78rem;color:#334155;background:rgba(255,255,255,.75);padding:2px 8px;border-radius:6px}
.model h1{font-size:1.6rem;margin:16px 0 4px}.tagline{color:var(--muted);margin:0 0 12px}
.notes{font-size:.92rem;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.model-right{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.model-right h2{margin:0 0 12px;font-size:1.1rem}.unit{color:var(--muted);font-weight:400;font-size:.9rem}
.field{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px;align-items:center;padding:8px 0;border-top:1px solid var(--line)}
.field-label{font-size:.95rem}.field-label small{display:block;color:var(--muted);font-size:.78rem}
.field-input{display:flex;flex-direction:column;align-items:flex-end}
.field input,.fmt select{width:100%;max-width:160px;background:#0b1020;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit}
.field input:focus{outline:2px solid var(--accent);border-color:transparent}
.field input.bad{border-color:var(--err)}
.range{font-size:.75rem;color:var(--muted);margin-top:2px}
.field-error{grid-column:1/-1;color:var(--err);font-size:.82rem;min-height:0}
.field-error:empty{display:none}
.actions{display:flex;gap:10px;align-items:flex-end;margin-top:14px;flex-wrap:wrap}
.fmt{display:flex;flex-direction:column;font-size:.85rem;color:var(--muted);gap:4px}.fmt select{max-width:120px}
button,.button{font:inherit;border:0;border-radius:8px;padding:10px 18px;cursor:pointer;background:var(--accent);color:#06202e;font-weight:600}
button:hover,.button:hover{background:var(--accent-2);text-decoration:none}
button.secondary{background:transparent;color:var(--muted);border:1px solid var(--line)}
button[disabled]{opacity:.6;cursor:wait}
.status{margin-top:12px;font-size:.9rem;color:var(--muted)}.status.err{color:var(--err)}.status.ok{color:var(--ok)}
.result{margin-top:12px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.mesh{font-size:.8rem;color:var(--muted)}
.foot{border-top:1px solid var(--line);padding:20px 0 36px;color:var(--muted);font-size:.85rem}.foot p{margin:4px 0}
.top nav a+a{margin-left:16px}
.about{max-width:70ch;padding:0 0 40px}.about h2{font-size:1.15rem;margin:0 0 8px}.about p{color:var(--muted);margin:0 0 10px}
.narrow{max-width:72ch;padding:16px 0 48px}.narrow h1{font-size:1.6rem;margin:16px 0 4px}
.prose h2{font-size:1.1rem;margin:22px 0 6px}.prose p,.prose li{color:var(--muted)}.prose ul{padding-left:20px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;margin-top:16px}
.feedback{max-width:720px;margin:0 auto 48px}.feedback form{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.fb-head{display:flex;align-items:center;gap:14px;margin-bottom:8px}.fb-head h2{font-size:1.1rem;margin:0;flex:1}
.thumbs{display:flex;gap:6px}.thumb{background:transparent;border:1px solid var(--line);color:var(--text);padding:6px 10px;font-size:1.1rem}
.thumb.on{border-color:var(--accent);background:rgba(56,189,248,.15)}
.dismiss{background:transparent;color:var(--muted);border:0;font-size:1.3rem;padding:0 6px}
.fb-field{display:block;margin:10px 0;font-size:.95rem}.fb-field small{color:var(--muted)}
.fb-field input,.fb-field textarea,.fb-email input[type=email]{display:block;width:100%;margin-top:6px;background:#0b1020;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:9px 10px;font:inherit}
.fb-email{display:grid;gap:8px;margin:10px 0}.consent{font-size:.9rem;color:var(--muted);display:flex;gap:8px;align-items:center}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.fb-actions{display:flex;align-items:center;gap:12px;margin-top:8px}.fb-status{font-size:.9rem;color:var(--muted)}
.fb-note{font-size:.8rem;color:var(--muted);margin:10px 0 0}
.admin .wrap h1{font-size:1.5rem;margin:18px 0 4px}.admin h2{font-size:1.2rem;margin:26px 0 8px;border-top:1px solid var(--line);padding-top:14px}.admin h3{font-size:.95rem;margin:14px 0 6px;color:var(--muted)}.admin h4{margin:12px 0 4px;font-size:.9rem}
.muted{color:var(--muted);font-size:.9rem}
table.kv{border-collapse:collapse;width:100%;font-size:.92rem}table.kv th{text-align:left;color:var(--muted);font-weight:500;padding:4px 10px 4px 0}table.kv td{padding:4px 18px 4px 0;font-weight:600}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.stat ul{list-style:none;margin:0;padding:0}.stat li{display:flex;justify-content:space-between;gap:8px;padding:2px 0;border-bottom:1px solid var(--line);font-size:.88rem}.stat li span{color:var(--muted);overflow:hidden;text-overflow:ellipsis}
.stat ul.row{display:flex;flex-wrap:wrap;gap:8px}.stat ul.row li{flex-direction:column;border:1px solid var(--line);border-radius:8px;padding:6px 10px;min-width:90px}
table.params,table.list{border-collapse:collapse;width:100%;font-size:.86rem;margin-bottom:10px}table.params th,table.list th{text-align:left;color:var(--muted);font-weight:500;padding:4px 8px;border-bottom:1px solid var(--line)}table.params td,table.list td{padding:4px 8px;border-bottom:1px solid var(--line);vertical-align:top}
ul.plain{padding-left:18px;font-size:.9rem}