:root{--bg:#f7f7fb;--card:#fff;--text:#16161d;--muted:#6b6b7b;--line:#e6e6ef;--brand:#5b4cf5;--brand2:#7c6cff;--ok:#10b981;--err:#ef4444;--r:14px;--sh:0 6px 24px rgba(20,20,50,.07)}
[data-theme=dark]{--bg:#0f0f15;--card:#191922;--text:#ececf3;--muted:#9a9aae;--line:#2a2a38;--sh:0 6px 24px rgba(0,0,0,.35)}
*{box-sizing:border-box}html,body{margin:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Inter,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:18px;height:62px}
.logo{font-weight:800;font-size:20px;display:flex;gap:8px;align-items:center}
.logo b{background:linear-gradient(135deg,var(--brand),#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}
nav.cats{display:flex;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
nav.cats a{padding:7px 12px;border-radius:9px;color:var(--muted);font-size:14px;white-space:nowrap}
nav.cats a:hover{background:var(--card);color:var(--text)}
.iconbtn{border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:10px;width:38px;height:38px;cursor:pointer;font-size:16px}
.hero{text-align:center;padding:64px 0 36px}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.1;margin:0 0 14px;letter-spacing:-.02em}
.hero h1 span{background:linear-gradient(135deg,var(--brand),#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto 26px}
.badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.badge{background:var(--card);border:1px solid var(--line);border-radius:99px;padding:6px 14px;font-size:13px;color:var(--muted)}
.search{max-width:560px;margin:0 auto;position:relative}
.search input{width:100%;padding:16px 18px 16px 46px;border-radius:16px;border:1px solid var(--line);background:var(--card);color:var(--text);font-size:16px;box-shadow:var(--sh);outline:none}
.search input:focus{border-color:var(--brand)}
.search:before{content:"🔍";position:absolute;left:16px;top:15px;font-size:16px}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:26px 0 8px}
.chip{border:1px solid var(--line);background:var(--card);color:var(--text);padding:8px 14px;border-radius:99px;cursor:pointer;font-size:14px}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}
section.cat{margin:34px 0}section.cat h2{font-size:22px;margin:0 0 14px;display:flex;align-items:center;gap:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.tcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;gap:12px;align-items:flex-start;transition:.15s}
.tcard:hover{transform:translateY(-2px);box-shadow:var(--sh);border-color:var(--brand)}
.tcard .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:18px;flex:none}
.tcard h3{font-size:15px;margin:0 0 2px}.tcard p{margin:0;font-size:13px;color:var(--muted)}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:60px 0}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.feat h3{margin:8px 0 6px}.feat p{margin:0;color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px;margin-top:40px}
/* tool page */
.crumbs{font-size:14px;color:var(--muted);margin:26px 0 6px}.crumbs a:hover{color:var(--brand)}
.thead{text-align:center;margin:10px 0 26px}.thead h1{font-size:clamp(26px,4vw,40px);margin:0 0 6px}.thead p{color:var(--muted);margin:0}
.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--sh);max-width:900px;margin:0 auto}
.drop{border:2px dashed var(--line);border-radius:16px;padding:44px 20px;text-align:center;cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 6%,transparent)}
.drop .big{font-size:42px}.drop strong{display:block;font-size:18px;margin:6px 0}.drop small{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;border:0;padding:12px 22px;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand2)}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.ok{background:var(--ok)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;margin:16px 0}
.field{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted);min-width:120px;flex:1}
.field input,.field select,.field textarea{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);font-size:15px;font-family:inherit}
.field input[type=color]{padding:3px;height:42px}.field input[type=range]{padding:0}
textarea{width:100%;min-height:180px;resize:vertical}
.files{display:flex;flex-direction:column;gap:8px;margin:16px 0}
.file{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--bg);font-size:14px}
.file img,.file canvas{width:44px;height:44px;object-fit:cover;border-radius:8px}
.file .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file .sz{color:var(--muted);font-size:12px}
.file button{border:0;background:none;color:var(--muted);cursor:pointer;font-size:16px}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin:16px 0}
.thumb{border:2px solid var(--line);border-radius:10px;padding:6px;text-align:center;font-size:12px;cursor:pointer;background:var(--bg);user-select:none}
.thumb canvas{width:100%;height:auto;display:block;border-radius:4px;background:#fff}
.thumb.sel{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,transparent)}
.thumb.drag{opacity:.4}
.preview{max-width:100%;max-height:480px;display:block;margin:14px auto;border-radius:10px;background:repeating-conic-gradient(#ddd 0 25%,#fff 0 50%) 0 0/16px 16px}
.status{margin:14px 0;font-size:14px;color:var(--muted)}.status.err{color:var(--err)}
.bar{height:8px;background:var(--line);border-radius:9px;overflow:hidden;margin:10px 0}.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand),#ec4899);transition:width .2s}
.result{margin-top:18px;padding:16px;border-radius:14px;background:color-mix(in srgb,var(--ok) 8%,transparent);border:1px solid color-mix(in srgb,var(--ok) 40%,transparent)}
.result h4{margin:0 0 10px}.dl{display:flex;flex-wrap:wrap;gap:8px}
.out{width:100%;min-height:200px;font-family:ui-monospace,Menlo,monospace;font-size:13px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:14px 0}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}.stat b{font-size:24px;display:block}.stat span{font-size:12px;color:var(--muted)}
table.meta{width:100%;border-collapse:collapse;font-size:13px}table.meta td{border-bottom:1px solid var(--line);padding:6px}table.meta td:first-child{color:var(--muted);width:40%}
.stage{position:relative;display:inline-block;max-width:100%}.stage canvas{max-width:100%;display:block;border:1px solid var(--line);border-radius:8px}
.place{position:absolute;border:1px dashed var(--brand);cursor:move;color:#000;white-space:nowrap}
.sigpad{border:1px solid var(--line);border-radius:10px;background:#fff;touch-action:none;width:100%;height:160px}
.note{font-size:13px;color:var(--muted);text-align:center;margin-top:18px}
.related{max-width:900px;margin:36px auto}
.hide{display:none!important}
@media(max-width:640px){.panel{padding:16px}nav.cats{display:none}.hero{padding:40px 0 20px}}