/* Zmath © 2025 */:root{--bg:#0b0e13;--card:#121823;--ink:#e7edf6;--muted:#9fb0c3;--accent:#6ee7ff;--good:#4ade80;--bad:#fb7185}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu;background:linear-gradient(180deg,#0b0e13,#0b0e13 60%,#0e131c);color:var(--ink)}.hdr{padding:24px 16px;border-bottom:1px solid #1f2a37;position:sticky;top:0;backdrop-filter:blur(8px);background:rgba(11,14,19,.7)}.wrap{max-width:1100px;margin:0 auto;padding:16px}h1{margin:0 0 6px;font-size:28px}.sub{color:var(--muted);font-size:14px}.grid{display:grid;grid-template-columns:1fr;gap:16px}@media(min-width:960px){.grid{grid-template-columns:1.2fr 1fr}}.card{background:var(--card);border:1px solid #1f2a37;border-radius:16px;padding:16px;box-shadow:0 10px 25px rgba(0,0,0,.25)}.card h2{margin:0 0 12px;font-size:18px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}input[type=file],input[type=password],input[type=text],select{width:100%;padding:10px 12px;background:#0e141d;border:1px solid #263244;color:var(--ink);border-radius:10px}button{appearance:none;border:1px solid #203043;background:#132032;color:var(--ink);padding:10px 14px;border-radius:12px;cursor:pointer;font-weight:600}button.primary{background:linear-gradient(90deg,#00a3ff,#00d4ff);color:#00121c;border:none}button.ghost{background:transparent;border:1px dashed #3a516e}.pill{font-size:12px;padding:4px 8px;border-radius:999px;background:#0f1a2a;border:1px solid #21334d;color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}.muted{color:var(--muted)}.log{font-size:12px;height:150px;background:#0b1020;border:1px solid #1e2a40;border-radius:10px;padding:10px;overflow:auto;white-space:pre-wrap}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.row .colspan{grid-column:1/3}.canvasWrap{border:1px dashed #334155;border-radius:12px;padding:8px;background:#0b1020}.progress{width:100%;height:10px;background:#0b1020;border:1px solid #1e2a40;border-radius:999px;overflow:hidden;margin:12px 0}.progress>div{height:100%;width:0%;background:linear-gradient(90deg,#00aaff,#00f7ff)}.ftr{opacity:.75;padding:16px;font-size:12px;text-align:center;border-top:1px solid #1f2a37;margin-top:24px}#matrixBg{position:fixed;inset:0;z-index:-1;background:#000}.beta{font-size:12px;margin-left:8px;padding:2px 8px;border-radius:999px;background:#093;color:#c2fbd7;border:1px solid #0f4}a.btnlink{display:inline-block;padding:10px 14px;border-radius:10px;border:1px solid #1fa37a;background:linear-gradient(90deg,#00ff9a,#00ffa0);color:#003;text-decoration:none;font-weight:700;text-align:center}