[hidden]{display:none!important}
:root{
  --p:#0f766e;--p2:#115e59;--pl:#ccfbf1;--ink:#0f172a;--mut:#64748b;--line:#e2e8f0;--bg:#f6f7f9;--card:#fff;
  --danger:#dc2626;--r:12px;--f:"IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:var(--f);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;color:inherit}
input,select,textarea{font:inherit}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;padding:8px 14px;border-radius:10px;font-size:14px;transition:.15s}
.btn:hover{border-color:var(--p);color:var(--p)}
.btn.pri{background:var(--p);border-color:var(--p);color:#fff}
.btn.pri:hover{background:var(--p2);color:#fff}
.btn.big{padding:14px 26px;font-size:16px;border-radius:12px}
.btn:disabled{opacity:.45;cursor:not-allowed}
svg.i{width:18px;height:18px;flex:none}

/* ===== home ===== */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top .in{max-width:1200px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px}
.brand img{width:34px;height:34px;border-radius:10px;display:block}
.top .sp{flex:1}
.top .search{width:280px;max-width:40vw;border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:var(--bg)}
.hero{max-width:1200px;margin:0 auto;padding:46px 20px 18px;text-align:center}
.hero h1{font-size:clamp(26px,4vw,40px);margin:0 0 10px}
.hero p{color:var(--mut);margin:0 auto 26px;max-width:620px;font-size:17px}
.drop{max-width:760px;margin:0 auto;border:2px dashed #94d3cb;background:#f0fdfa;border-radius:18px;padding:40px 20px;text-align:center;transition:.2s}
.drop.over{background:var(--pl);border-color:var(--p)}
.drop small{display:block;color:var(--mut);margin-top:10px}
.cats{max-width:1200px;margin:30px auto 60px;padding:0 20px}
.cats h2{font-size:18px;margin:28px 0 12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;gap:12px;align-items:flex-start;transition:.15s}
.tool:hover{border-color:var(--p);box-shadow:0 6px 18px rgba(15,118,110,.1);transform:translateY(-2px)}
.tool .ic{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex:none;color:#fff}
.tool b{display:block;font-size:15px}
.tool small{color:var(--mut);font-size:13px}
.foot{text-align:center;color:var(--mut);font-size:13px;padding:30px 0}

/* ===== editor ===== */
.ed{display:grid;grid-template-rows:56px 46px 1fr;height:100vh}
.ebar{display:flex;align-items:center;gap:10px;padding:0 14px;background:#fff;border-bottom:1px solid var(--line)}
.ebar .fname{font-weight:600;max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ebar .sp{flex:1}
.tools{display:flex;align-items:center;gap:4px;padding:0 10px;background:#fff;border-bottom:1px solid var(--line);overflow-x:auto}
.tb{display:flex;align-items:center;gap:6px;border:0;background:none;padding:7px 10px;border-radius:8px;font-size:13px;white-space:nowrap}
.tb:hover{background:var(--bg)}
.tb.on{background:var(--pl);color:var(--p2)}
.sep{width:1px;height:22px;background:var(--line);margin:0 4px;flex:none}
.props{display:flex;align-items:center;gap:6px;margin-inline-start:8px}
.props select,.props input[type=number]{border:1px solid var(--line);border-radius:6px;padding:4px 6px;font-size:13px;background:#fff}
.props input[type=number]{width:58px}
.props input[type=color]{width:30px;height:28px;border:1px solid var(--line);border-radius:6px;padding:2px;background:#fff}
.body{display:grid;grid-template-columns:190px 1fr;min-height:0}
.side{background:#fff;border-inline-end:1px solid var(--line);overflow:auto;padding:12px}
.side h4{margin:0 0 10px;font-size:13px;color:var(--mut);display:flex;justify-content:space-between;align-items:center}
.thumb{position:relative;margin:0 auto 12px;border:2px solid transparent;border-radius:8px;cursor:grab;background:#fff;width:140px}
.thumb.on{border-color:var(--p)}
.thumb.drag{opacity:.4}
.thumb canvas{width:100%;display:block;border-radius:6px;box-shadow:0 1px 4px rgba(0,0,0,.15)}
.thumb .n{text-align:center;font-size:12px;color:var(--mut);margin-top:4px}
.thumb .acts{position:absolute;top:4px;inset-inline-start:4px;display:none;gap:4px}
.thumb:hover .acts{display:flex}
.thumb .acts button{width:26px;height:26px;border-radius:6px;border:0;background:rgba(15,23,42,.8);color:#fff;display:flex;align-items:center;justify-content:center}
.thumb .acts svg{width:14px;height:14px}
.canvas{overflow:auto;padding:24px;background:#e9ecf1}
.page{position:relative;margin:0 auto 24px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.18);transform-origin:center}
.page canvas{display:block}
.layer{position:absolute;inset:0}
.layer.textmode .ti{pointer-events:auto}
.ti{position:absolute;pointer-events:none;border:1px dashed transparent;border-radius:2px;cursor:text}
.layer.textmode .ti:hover{border-color:var(--p);background:rgba(15,118,110,.08)}
.an{position:absolute;box-sizing:border-box}
.an.sel{outline:2px solid var(--p);outline-offset:1px}
.an .h{position:absolute;width:12px;height:12px;background:#fff;border:2px solid var(--p);border-radius:3px;right:-7px;bottom:-7px;cursor:nwse-resize;display:none}
.an.sel .h{display:block}
.an .x{position:absolute;top:-12px;right:-12px;width:22px;height:22px;border-radius:50%;background:var(--danger);color:#fff;border:0;font-size:13px;line-height:22px;padding:0;display:none}
.an.sel .x{display:block}
.an.text{padding:1px 2px;white-space:pre;line-height:1.25;cursor:move;min-width:12px}
.an.text[contenteditable=true]{cursor:text;outline:2px solid var(--p)}
.an.box{cursor:move}
.an.img{cursor:move}
.an.img img{width:100%;height:100%;display:block;pointer-events:none}
.an.ink{pointer-events:none}
.an.ink svg{overflow:visible}
.page.drawmode,.page.addmode{cursor:crosshair}
.empty{display:flex;align-items:center;justify-content:center;height:100%;color:var(--mut)}

/* modal */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:center;justify-content:center;z-index:100;padding:16px}
.modal.open{display:flex}
.mbox{background:#fff;border-radius:16px;width:560px;max-width:100%;padding:22px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.mbox h3{margin:0 0 14px}
.mbox .row{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.sigpad{border:1px dashed #94a3b8;border-radius:10px;width:100%;height:200px;touch-action:none;background:#fff}
.tabs2{display:flex;gap:6px;margin-bottom:12px}
.tabs2 button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 12px}
.tabs2 button.on{background:var(--p);color:#fff;border-color:var(--p)}
.stamps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stamps button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px}
.stamps img{max-width:100%;display:block;margin:0 auto}
.field{display:block;margin:10px 0;font-size:14px}
.field input,.field select,.field textarea{width:100%;margin-top:4px;border:1px solid var(--line);border-radius:8px;padding:9px 10px;background:#fff}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(90px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;transition:.25s;z-index:200}
.toast.show{transform:translateX(-50%)}
.busy{position:fixed;inset:0;background:rgba(255,255,255,.7);display:none;align-items:center;justify-content:center;z-index:150;font-weight:600}
.busy.on{display:flex}

/* tool page */
.tp{max-width:900px;margin:30px auto;padding:0 20px}
.tp h1{font-size:28px;margin:0 0 6px}
.tp>p{color:var(--mut);margin:0 0 20px}
.files{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:18px 0}
.fcard{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;text-align:center;font-size:13px;position:relative;cursor:grab}
.fcard canvas,.fcard img{width:100%;height:150px;object-fit:contain;background:#f8fafc;border-radius:6px}
.fcard .rm{position:absolute;top:6px;left:6px;width:24px;height:24px;border-radius:50%;border:0;background:var(--danger);color:#fff}
.fcard span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:6px}
.opts{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin:16px 0}
.opts .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}

@media (max-width:820px){
  .body{grid-template-columns:1fr}
  .side{display:none}
  .ebar .fname{max-width:140px}
  .opts .two{grid-template-columns:1fr}
  .top .search{display:none}
}