:root{--ink:#211543;--brand:#5633b7;--paper:#fff;--wash:#f6f2fb;--line:#eadff4;--muted:#6f6680;--danger:#b3261e;--lightningcss-light:initial;--lightningcss-dark: ;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{background:var(--wash);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.6}a{color:var(--brand)}.landing,.card{background:var(--paper);border:1px solid var(--line);text-align:center;border-radius:24px;max-width:560px;margin:8vh auto;padding:40px 32px;box-shadow:0 18px 48px #2115431a}.card.wide{text-align:start;max-width:780px}.brand{margin-bottom:20px}h1{margin:8px 0 12px;font-size:28px}.kicker{color:var(--brand);letter-spacing:.03em;margin:0;font-size:13px;font-weight:700}.muted{color:var(--muted)}.message{background:var(--wash);border:1px solid var(--line);border-radius:12px;margin:12px 0;padding:12px 16px}.viewer{border:1px solid var(--line);background:var(--wash);border-radius:12px;width:100%;height:460px;margin:16px 0}.signBlock{border:1px solid var(--line);border-radius:16px;margin-top:8px;padding:16px}.signHead{justify-content:space-between;align-items:center;margin-bottom:8px;font-weight:700;display:flex}.signTools{gap:16px;display:flex}.linklike{color:var(--brand);font:inherit;cursor:pointer;background:0 0;border:none;padding:0}.canvas{touch-action:none;cursor:crosshair;background:#fdfcff;border:1px dashed #c9b8e6;border-radius:12px;width:100%;height:200px}.fineprint{color:var(--muted);margin:10px 0 0;font-size:13px}.actions{flex-wrap:wrap;gap:12px;margin-top:20px;display:flex}.primary,.ghost{font:inherit;cursor:pointer;border:1px solid #0000;border-radius:999px;padding:12px 28px;font-weight:700}.primary{background:var(--ink);color:#fff}.primary:disabled{opacity:.45;cursor:not-allowed}.ghost{border-color:var(--line);color:var(--ink);background:0 0}.error{color:var(--danger);font-size:14px}.foot{color:var(--muted);margin-top:28px;font-size:12px}