[hidden]{display:none!important}
:root{
  --bg:#F5F7FA;--card:#FFFFFF;--ink:#0F172A;--muted:#475569;--line:#E2E8F0;--line2:#CBD5E1;
  --accent:#3B2EF0;--accent-ink:#FFFFFF;--tint:#ECEBFF;--tint-ink:#2A20B8;--lime:#D4FF3F;--lime-ink:#1A2200;
  --dark:#0F172A;--dark2:#1E293B;--danger:#B42318;--ok:#067647;--slot:#EEF2F6;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0B1220;--card:#131C2E;--ink:#F1F5F9;--muted:#A8B3C5;--line:#26324A;--line2:#3A4A68;
    --accent:#8B83FF;--accent-ink:#0B1220;--tint:#222A55;--tint-ink:#C9C5FF;--dark:#050A14;--dark2:#131C2E;--slot:#18233A;--danger:#FF8A80;--ok:#6CE9A6}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.5;font-size:16px}
a{color:inherit}
h1,h2,h3{font-family:"Avenir Next","Segoe UI",system-ui,sans-serif;letter-spacing:-0.02em;line-height:1.1;margin:0}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--card);padding:8px 12px;z-index:99;border-radius:8px}
/* header */
.hdr{background:var(--card);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:10px 28px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;text-decoration:none;letter-spacing:-0.02em}
.logo i{width:30px;height:30px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center}
.logo svg{width:17px;height:17px;stroke:var(--accent-ink);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.nav{display:flex;flex-wrap:wrap;gap:6px 22px;font-weight:500;font-size:15px}
.nav a{text-decoration:none;color:var(--muted);padding:10px 0}.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.privacy-pill{margin-left:auto;font-size:13px;font-weight:700;padding:6px 12px;border-radius:999px;background:var(--tint);color:var(--tint-ink)}
/* hero */
.hero{background:var(--card);border-bottom:1px solid var(--line);padding:56px 0 48px}
.hero h1{font-size:clamp(34px,6vw,60px);font-weight:800;max-width:800px}
.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:16px 0 0}
.badges{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;font-weight:500;font-size:14px;color:var(--muted)}
.search{margin-top:26px;max-width:560px}
.search input{width:100%;border:1.5px solid var(--line2);border-radius:14px;padding:15px 18px;font-size:17px;background:var(--bg)}
/* grid */
.sec{padding:44px 0 8px}.sec h2{font-size:30px;font-weight:800}.sec .sub{color:var(--muted);margin:8px 0 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:20px}
.tool-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none;transition:border-color .15s,transform .15s}
.tool-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.tool-card b{display:block;font-size:18px;font-weight:700;letter-spacing:-0.01em}
.tool-card span{display:block;color:var(--muted);font-size:14.5px;margin-top:6px}
/* ads */
.ad{display:flex;align-items:center;justify-content:center;margin:24px auto;min-height:90px;text-align:center;overflow:hidden}
.ad.hidden{display:none}
.ad-box{background:var(--slot);border:1px dashed var(--line2);border-radius:12px;color:var(--muted);font-size:13px;width:100%}
/* tool page */
.crumbs{font-size:14px;color:var(--muted);padding:20px 0 0}.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.tool-head h1{font-size:clamp(30px,5vw,46px);font-weight:800;margin-top:14px}
.tool-head p{color:var(--muted);font-size:18px;max-width:700px;margin:12px 0 0}
.panel{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;margin-top:22px}
.drop{border:2px dashed var(--line2);border-radius:18px;padding:44px 20px;text-align:center;background:var(--bg);cursor:pointer;transition:border-color .15s,background .15s}
.drop.over{border-color:var(--accent);background:var(--tint)}
.drop:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.drop h3{font-size:24px;font-weight:700;margin-top:12px}
.drop p{color:var(--muted);margin:6px 0 0;font-size:15px}
.drop .ico{width:56px;height:56px;margin:0 auto;border-radius:16px;background:var(--tint);display:flex;align-items:center;justify-content:center}
.drop .ico svg{width:26px;height:26px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:12px;border:0;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:16px;cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.dark{background:var(--ink);color:var(--bg)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line2)}
.btn.sm{min-height:40px;padding:0 14px;font-size:14px;border-radius:10px}
.btn:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible,.icon-btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:20px}
.field label,.lbl{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:6px}
.field input[type=text],.field input[type=number],.field select,.field textarea{width:100%;border:1.5px solid var(--line2);border-radius:10px;padding:10px 12px;background:var(--card);min-height:44px}
.field input[type=range]{width:100%;accent-color:var(--accent)}
.field input[type=color]{width:100%;height:44px;border:1.5px solid var(--line2);border-radius:10px;background:var(--card);padding:3px}
.check{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer}.check input{width:20px;height:20px;accent-color:var(--accent)}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg label{margin:0;cursor:pointer}
.seg input{position:absolute;opacity:0}
.seg span{display:inline-block;padding:10px 14px;border:1.5px solid var(--line2);border-radius:10px;font-weight:500;font-size:14.5px;color:var(--ink)}
.seg input:checked+span{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.seg input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.hint{font-size:13.5px;color:var(--muted);margin-top:8px}
.note{margin-top:16px;padding:12px 16px;border-radius:12px;background:var(--bg);font-size:14px;color:var(--muted)}
.status{margin-top:14px;font-weight:500}.status.err{color:var(--danger)}.status.ok{color:var(--ok)}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:12px}.bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .15s}
/* file list */
.files{display:grid;gap:10px;margin-top:18px}
.file{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:var(--bg)}
.file img,.file .th{width:52px;height:52px;object-fit:cover;border-radius:8px;background:var(--line);flex:0 0 auto}
.file .meta{flex:1 1 180px;min-width:0}.file .nm{font-weight:700;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file .sz{font-size:13px;color:var(--muted)}
.icon-btn{min-width:44px;min-height:44px;border:1.5px solid var(--line2);background:var(--card);border-radius:10px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.icon-btn:hover{border-color:var(--accent)}.icon-btn:disabled{opacity:.35;cursor:not-allowed}
/* thumbs */
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:18px}
.thumb{background:var(--bg);border:1.5px solid var(--line);border-radius:14px;padding:10px;text-align:center;position:relative}
.thumb.dragging{opacity:.4}.thumb.over{border-color:var(--accent)}.thumb.del{opacity:.4}
.thumb .cv{height:170px;display:flex;align-items:center;justify-content:center;background:var(--line);border-radius:8px;overflow:hidden}
.thumb canvas,.thumb img{max-width:100%;max-height:100%;transition:transform .2s;background:#fff}
.thumb .acts{display:flex;justify-content:center;gap:4px;margin-top:8px;flex-wrap:wrap}
.thumb .pn{position:absolute;top:6px;left:6px;background:var(--ink);color:var(--bg);font-size:12px;font-weight:700;border-radius:99px;min-width:24px;height:24px;display:flex;align-items:center;justify-content:center;padding:0 6px}
/* canvas stage */
.stage{position:relative;display:inline-block;max-width:100%;line-height:0;touch-action:none;user-select:none;margin-top:16px;border-radius:10px;overflow:hidden}
.stage canvas{max-width:100%;height:auto;display:block}
.checker{background-color:#fff;background-image:linear-gradient(45deg,#d6dbe3 25%,transparent 25%,transparent 75%,#d6dbe3 75%),linear-gradient(45deg,#d6dbe3 25%,transparent 25%,transparent 75%,#d6dbe3 75%);background-size:20px 20px;background-position:0 0,10px 10px}
.stage .ov{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair}
.sig-item{position:absolute;border:1.5px dashed transparent;cursor:move;touch-action:none;line-height:0}
.sig-item.sel{border-color:#3B2EF0}.sig-item .x{display:none}.sig-item.sel .x{display:block}
.sig-item img{width:100%;height:auto;display:block;pointer-events:none}
.sig-item .x{position:absolute;top:-14px;right:-14px;width:28px;height:28px;border-radius:99px;border:0;background:var(--danger);color:#fff;font-weight:700;cursor:pointer;line-height:1}
.result{display:grid;gap:10px;margin-top:16px}
.dlg{position:fixed;inset:0;background:rgba(2,6,23,.6);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.dlg>div{background:var(--card);border-radius:18px;padding:22px;max-width:520px;width:100%}
.dlg canvas{width:100%;height:auto;border:1.5px solid var(--line2);border-radius:10px;background:#fff;touch-action:none;display:block}
/* content blocks */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:18px}
.step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}.step b.n{font-size:13px;color:var(--accent)}.step h3{font-size:18px;margin-top:6px}.step p{margin:6px 0 0;color:var(--muted);font-size:15px}
.faq{display:grid;gap:10px;margin-top:16px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 18px}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;font-size:16.5px}.faq details p{margin:0 0 14px;color:var(--muted)}
.cols{display:flex;flex-wrap:wrap;gap:32px;margin-top:44px}.cols>div:first-child{flex:2 1 500px;min-width:0}.cols>aside{flex:1 1 260px;min-width:0}
.related{display:grid;gap:10px;margin-top:16px}.related a{display:block;padding:14px 18px;border-radius:14px;background:var(--card);border:1px solid var(--line);text-decoration:none;font-weight:500}.related a:hover{border-color:var(--accent)}
.prose{max-width:760px;padding:40px 0 64px}.prose h1{font-size:40px;font-weight:800;margin-bottom:18px}.prose h2{font-size:24px;margin:28px 0 8px}.prose p,.prose li{color:var(--muted)}
.ftr{background:var(--dark);color:#CBD5E1;margin-top:64px}
.ftr .wrap{padding-top:36px;padding-bottom:36px;display:flex;flex-wrap:wrap;gap:20px 48px;justify-content:space-between;font-size:14px}
.ftr a{text-decoration:none}.ftr a:hover{text-decoration:underline}.ftr .links{display:flex;flex-wrap:wrap;gap:8px 22px}
.ftr .fcols{display:flex;flex-wrap:wrap;gap:24px 56px}.ftr h4{margin:0 0 8px;color:#fff;font-size:14px}.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.nojs{padding:16px;border-radius:12px;background:var(--tint);margin-top:20px}
@media (max-width:640px){.wrap{padding:0 16px}.panel{padding:16px}.privacy-pill{margin-left:0}}