:root{--bg:#f5f7fb;--card:#fff;--ink:#1b2333;--mute:#667085;--line:#d9e0ec;--brand:#ff6a1f;--brand-d:#e0540c;--ok:#12a150;--err:#d92d20}
@media(prefers-color-scheme:dark){:root{--bg:#0f1420;--card:#171e2e;--ink:#e8ecf5;--mute:#98a2b8;--line:#2a3347}}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
header{background:var(--card);border-bottom:1px solid var(--line)}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.02em}.logo b{color:var(--brand)}
h1{text-align:center;font-size:clamp(26px,5vw,40px);letter-spacing:-.03em;margin:40px 0 8px}
.sub{text-align:center;color:var(--mute);margin:0 0 28px}
.drop{background:var(--card);border:2px dashed var(--line);border-radius:16px;padding:44px 20px;text-align:center;transition:.15s}
.drop.over{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 8%,var(--card))}
.btn{background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 26px;font:inherit;font-weight:700;cursor:pointer}
.btn:hover{background:var(--brand-d)}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.sec{background:transparent;color:var(--ink);border:1px solid var(--line)}
.hint{color:var(--mute);font-size:14px;margin:12px 0 0}
#list{margin-top:16px;display:grid;gap:8px}
.row{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 14px;flex-wrap:wrap}
.row .nm{flex:1 1 180px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.row .sz{color:var(--mute);font-size:13px}
.row .st{font-size:13px;min-width:110px;text-align:right}
.st.ok{color:var(--ok)}.st.err{color:var(--err)}
.row a.dl{color:var(--brand);font-weight:700;text-decoration:none;font-size:14px}
.row button.x{background:none;border:0;color:var(--mute);cursor:pointer;font-size:18px}
select{font:inherit;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:16px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}
.bar .sp{flex:1}
.bar label{font-size:14px;color:var(--mute);display:flex;gap:8px;align-items:center}
#engine{margin-top:12px;color:var(--mute);font-size:14px;text-align:center;min-height:21px}
.cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:48px 0}
.cat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.cat h3{margin:0 0 6px;font-size:16px}.cat p{margin:0;color:var(--mute);font-size:14px}
.priv{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:48px}
.priv h2{margin:0 0 6px;font-size:18px}.priv p{margin:0;color:var(--mute)}
footer{text-align:center;color:var(--mute);font-size:13px;padding:24px 16px 40px}
[hidden]{display:none!important}

/* shared layout */
a{color:var(--brand-d)}
@media(prefers-color-scheme:dark){a{color:var(--brand)}}
header nav{height:auto;min-height:60px;flex-wrap:wrap;gap:8px 20px;padding:8px 0}
.logo{color:var(--ink);text-decoration:none}
.menu{display:flex;gap:18px;flex-wrap:wrap}
.menu a{color:var(--ink);text-decoration:none;font-size:15px}
.menu a:hover,.menu a[aria-current=page]{color:var(--brand-d);text-decoration:underline}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--card);padding:8px 12px;z-index:9}
footer{border-top:1px solid var(--line);background:var(--card);padding:28px 16px 36px;text-align:center}
footer .links{display:flex;gap:8px 20px;justify-content:center;flex-wrap:wrap;margin-bottom:10px}
footer a{color:var(--ink);text-decoration:none;font-size:14px}footer a:hover{text-decoration:underline}
footer p{margin:4px 0}
/* content pages */
.prose{max-width:720px;margin:0 auto;padding:8px 0 40px}
.prose h1{text-align:left;margin:32px 0 8px;font-size:clamp(26px,4.5vw,36px);line-height:1.2}
.prose h2{margin:36px 0 8px;font-size:22px;letter-spacing:-.01em;line-height:1.3}
.prose h3{margin:24px 0 6px;font-size:18px}
.prose p,.prose li{font-size:17px;line-height:1.7}
.prose p{margin:0 0 16px}.prose ul,.prose ol{padding-left:24px;margin:0 0 16px}.prose li{margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{background:var(--card)}
.prose code{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:.9em}
.meta{color:var(--mute);font-size:14px;margin:0 0 24px}
.crumbs{font-size:14px;color:var(--mute);margin:24px 0 0}.crumbs a{color:var(--mute)}
.note{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:8px;padding:12px 16px;margin:0 0 20px}
.note p{margin:0;font-size:16px}
.cta{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin:32px 0;text-align:center}
.cta p{margin:0 0 12px}.cta .btn{display:inline-block;text-decoration:none}
.related{margin-top:40px;border-top:1px solid var(--line);padding-top:8px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:0 0 24px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--brand)}.card h3{margin:0 0 6px;font-size:17px;line-height:1.3}.card p{margin:0;color:var(--mute);font-size:14px;line-height:1.5}
.home-sec{max-width:720px;margin:56px auto 0}
.home-sec h2{font-size:24px;letter-spacing:-.01em;margin:0 0 12px}
.home-sec p,.home-sec li{font-size:17px;line-height:1.7}
.home-sec ol{padding-left:24px}
.home-sec details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-bottom:8px}
.home-sec summary{cursor:pointer;font-weight:600}.home-sec details p{margin:8px 0 0}
.home-sec table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto}
.home-sec th,.home-sec td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.home-sec th{background:var(--card)}
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 8px}
.shots.two{grid-template-columns:repeat(2,1fr);max-width:480px}
.shots.one{grid-template-columns:1fr;max-width:230px}
.shots figure{margin:0}.shots img{width:100%;height:auto;display:block}
.shots figcaption{font-size:13px;color:var(--mute);line-height:1.4;margin-top:6px}
@media(max-width:560px){.shots{grid-template-columns:1fr 1fr}.shots:not(.two):not(.one) figure:last-child{grid-column:1/-1;justify-self:center;width:50%}}