:root{color-scheme:light;font:17px/1.6 system-ui,sans-serif;color:#17333a;background:#edf3f2}
*{box-sizing:border-box}body{margin:0;padding:16px}main{max-width:760px;margin:24px auto;background:white;padding:clamp(18px,5vw,40px);border-radius:22px}
h1{font-size:clamp(28px,6vw,40px);line-height:1.15;letter-spacing:-1px;margin:12px 0 20px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:#35675e}
button{border:0;border-radius:10px;padding:16px;background:#176b57;color:white;font:600 16px system-ui;cursor:pointer;min-height:48px}
button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #bd782b;outline-offset:3px}
.actions{display:grid;gap:10px}.secondary{background:#e6f1ec;color:#174e40}.small,footer{font-size:14px;color:#526970}a{color:#176b57}footer{margin-top:24px}
#status{min-height:26px}#filename{overflow-wrap:anywhere}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.toolbar button{min-width:52px;font-size:24px;padding:4px 16px}
#preview{margin:24px 0;padding:12px;background:#f0f4f3;border-radius:12px}canvas{display:block;width:100%;height:auto;background:white}details{margin-top:24px;border-top:1px solid #dce5e2;padding-top:16px}summary{cursor:pointer;font-weight:600}details p{font-size:15px}[hidden]{display:none!important}
@media(max-width:420px){body{padding:8px}main{margin:8px auto;padding:18px}#preview{padding:8px}}