:root{--bg:#f3f7ff;--text:#172554;--mut:#64748b;--line:#dbe4f2;--violet:#7c3aed;--pink:#ec4899;--red:#dc2626}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 10% 0,#dbeafe,transparent 30%),radial-gradient(circle at 100% 0,#fce7f3,transparent 28%),var(--bg);color:var(--text);font:15px/1.6 Nunito,system-ui,sans-serif}header{height:68px;background:#ffffffed;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 24px;gap:30px;position:sticky;top:0;z-index:5}.brand{font-weight:900;font-size:21px;text-decoration:none;color:var(--text)}nav{display:flex;gap:22px;flex:1}nav a{text-decoration:none;color:var(--mut);font-weight:800}nav a.active,nav a:hover{color:var(--violet)}main{max-width:1100px;margin:auto;padding:55px 22px 80px}.ey{font-size:11px;letter-spacing:.18em;color:var(--violet);font-weight:900}.lead{max-width:850px;color:var(--mut);font-size:17px}h1{font-size:55px;letter-spacing:-.05em;margin:10px 0}h1 span{color:var(--pink)}h2{font-size:19px}.studio{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 12px 30px #1725540c}.check{display:block;background:#f8fafc;padding:13px;border-radius:10px;margin-bottom:20px}.panel input[type=file]{width:100%;padding:15px;border:2px dashed var(--line);border-radius:12px}.hint{color:var(--mut);font-size:12px}.choices{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.choices button,.primary,.danger{border:0;border-radius:10px;padding:10px 14px;font:800 14px Nunito;cursor:pointer}.choices button{background:#f1f5f9;color:var(--text)}.choices button.active{background:#ede9fe;color:var(--violet);outline:2px solid #c4b5fd}.primary{background:linear-gradient(135deg,var(--violet),var(--pink));color:#fff}.primary:disabled{opacity:.45}.danger{background:#fee2e2;color:var(--red);margin-left:8px}.preview{text-align:center}.preview canvas{width:min(100%,420px);border-radius:20px;background:#eef2ff;border:1px solid var(--line)}.status{margin-top:10px;color:var(--mut);font-weight:700}@media(max-width:750px){.studio{grid-template-columns:1fr}h1{font-size:40px}nav{gap:10px;font-size:12px}}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metric{padding:15px;background:#f8fafc;border:1px solid var(--line);border-radius:12px;color:var(--mut)}.metric b{display:block;color:var(--violet);font-size:25px;margin-bottom:4px}