:root{--bg:#f7f8fb;--card:#fff;--text:#1d2433;--muted:#5b6475;--line:#e3e7ef;--brand:#2563eb;--brand-d:#1d4ed8;--soft:#eef3ff;--ok:#15803d;--err:#b91c1c;--r:12px}
*{box-sizing:border-box}html{color-scheme:light}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--brand)}img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
header.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.top .wrap{display:flex;align-items:center;gap:16px;min-height:58px;flex-wrap:wrap}
.logo{font-weight:800;font-size:20px;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:8px}
.logo span{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;font-size:16px}
nav.main{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
nav.main a{color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:8px;font-size:15px}
nav.main a:hover{background:var(--soft);color:var(--brand)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 12px;font-size:15px;min-height:40px}
@media(max-width:760px){.menu-btn{display:block}nav.main{display:none;width:100%;padding-bottom:10px}nav.main.open{display:flex;flex-direction:column}nav.main a{padding:10px}}
main{padding:24px 0 40px}
h1{font-size:clamp(26px,4vw,36px);line-height:1.2;margin:8px 0 10px}
h2{font-size:22px;margin:32px 0 10px}h3{font-size:18px;margin:20px 0 6px}
.lead{color:var(--muted);font-size:17px;margin:0 0 18px}
.crumbs{font-size:14px;color:var(--muted)}.crumbs a{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.tool{margin:10px 0 24px}
.drop{border:2px dashed #b9c4da;border-radius:var(--r);background:#fbfcff;padding:28px 16px;text-align:center;cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--soft)}
.drop strong{display:block;font-size:18px;margin-bottom:4px}.drop small{color:var(--muted)}
.drop input{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:10px 18px;font-size:16px;font-weight:600;cursor:pointer;min-height:44px;text-decoration:none}
.btn:hover{background:var(--brand-d)}.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.sec{background:#fff;color:var(--brand);border:1px solid #c7d4f3}.btn.sec:hover{background:var(--soft)}
.btn.sm{padding:6px 12px;min-height:36px;font-size:14px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;margin:12px 0}
.row>label,.field{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--muted);flex:1 1 160px}
.row>label.chk{flex-direction:row;align-items:center;gap:8px;color:var(--text);flex:0 0 auto}
input[type=text],input[type=number],input[type=date],input[type=password],input[type=email],input[type=url],input[type=datetime-local],select,textarea{font:inherit;font-size:16px;padding:9px 11px;border:1px solid #cdd5e3;border-radius:9px;background:#fff;color:var(--text);width:100%;min-height:44px}
textarea{min-height:160px;resize:vertical;font-family:inherit}
textarea.mono,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
input:focus,select:focus,textarea:focus{outline:2px solid #93b4fb;border-color:var(--brand)}
input[type=range]{width:100%}input[type=color]{width:56px;height:44px;border:1px solid #cdd5e3;border-radius:9px;background:#fff;padding:3px}
.status{margin:12px 0;font-size:15px;color:var(--muted);min-height:1em}.status.err{color:var(--err)}.status.ok{color:var(--ok)}
.results{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.res{display:flex;align-items:center;gap:12px;background:#f3f7ff;border:1px solid #d6e2fb;border-radius:10px;padding:10px 12px;flex-wrap:wrap}
.res .nm{flex:1 1 200px;word-break:break-all;font-size:15px}.res img{max-height:64px;border-radius:6px;background:repeating-conic-gradient(#e6e6e6 0 25%,#fff 0 50%) 50%/16px 16px}
.filelist{list-style:none;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:6px}
.filelist li{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:15px}
.filelist li span{flex:1;word-break:break-all}.filelist button{background:#fff;border:1px solid var(--line);border-radius:7px;min-width:36px;min-height:36px;cursor:pointer}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:12px 0}
.stat{background:#f3f7ff;border:1px solid #d6e2fb;border-radius:10px;padding:10px 12px}.stat b{display:block;font-size:24px}.stat small{color:var(--muted)}
.out{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:12px;white-space:pre-wrap;word-break:break-word}
.preview{max-width:100%;max-height:420px;display:block;margin:12px auto;border-radius:8px;background:repeating-conic-gradient(#e6e6e6 0 25%,#fff 0 50%) 50%/16px 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.tcard{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;text-decoration:none;color:var(--text);transition:.15s}
.tcard:hover{border-color:#9db7f5;box-shadow:0 4px 14px rgba(37,99,235,.08)}
.tcard b{display:block;font-size:16px}.tcard small{color:var(--muted);font-size:14px;line-height:1.45;display:block;margin-top:2px}
.ico{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--soft);font-size:18px;margin-bottom:6px}
.search{max-width:560px;margin:8px 0 6px}.search input{font-size:17px;padding:12px 14px}
.hero{padding:16px 0 8px}
.content{max-width:780px}.content p,.content li{color:#2c3445}
.content ol li,.content ul li{margin:6px 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0}
.faq summary{cursor:pointer;font-weight:600}
.related{margin-top:30px}
.note{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px;padding:10px 14px;font-size:15px;color:#14532d;margin:12px 0}
.warn{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:10px 14px;font-size:15px;color:#713f12;margin:12px 0}
footer.bot{background:#fff;border-top:1px solid var(--line);padding:26px 0;font-size:14px;color:var(--muted)}
footer.bot .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}
footer.bot a{color:var(--muted);text-decoration:none;display:block;padding:3px 0}footer.bot a:hover{color:var(--brand)}
footer.bot h4{margin:0 0 6px;color:var(--text);font-size:15px}
.cookie{position:fixed;left:12px;right:12px;bottom:12px;max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--line);box-shadow:0 8px 30px rgba(0,0,0,.12);border-radius:14px;padding:14px 16px;z-index:50;display:none;gap:12px;align-items:center;flex-wrap:wrap;font-size:14px}
.cookie.show{display:flex}.cookie p{margin:0;flex:1 1 300px}
.ad-slot:empty{display:none}
table.tbl{border-collapse:collapse;width:100%;font-size:14px}table.tbl td,table.tbl th{border:1px solid var(--line);padding:6px 8px;text-align:left}table.tbl th{background:#f3f6fb}
.diff .add{background:#dcfce7}.diff .del{background:#fee2e2;text-decoration:line-through}.diff div{padding:1px 6px;white-space:pre-wrap;font-family:ui-monospace,monospace;font-size:14px}
.fancy-row{display:flex;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding:8px 0}.fancy-row .t{flex:1;font-size:18px;word-break:break-all}.fancy-row small{color:var(--muted);width:120px;flex:0 0 120px}
.progress{height:8px;background:#e5e9f2;border-radius:6px;overflow:hidden;margin:8px 0}.progress i{display:block;height:100%;background:var(--brand);width:0}
.cropbox{position:relative;display:inline-block;max-width:100%;touch-action:none;user-select:none}.cropbox canvas{max-width:100%;display:block}
.cropsel{position:absolute;border:2px dashed #2563eb;background:rgba(37,99,235,.12);pointer-events:none}