:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;color:#202c29;background:#f1f4ef;--green:#24644c;--muted:#68766f}*{box-sizing:border-box}body{margin:0}main{max-width:1000px;margin:64px auto;padding:0 28px}header{display:flex;gap:22px;align-items:center}.mark{background:var(--green);color:#e5f7a7;width:70px;height:70px;display:grid;place-items:center;font-size:46px;border-radius:22px;flex-shrink:0}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--green)}h1{font-size:clamp(28px,4vw,42px);letter-spacing:-1px;margin:12px 0}h2{font-size:19px;margin:0 0 18px}.muted{color:var(--muted);line-height:1.7}.badges{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0}.badges span{border:1px solid #d6dfd2;border-radius:30px;padding:8px 14px;font-size:12px}.card{background:#fff;border:1px solid #dde5dc;padding:30px;border-radius:22px;margin-bottom:22px}.grid{display:grid;grid-template-columns:1.1fr 1fr;gap:20px}.grid .card{margin:0}.row{display:flex;gap:12px}label{display:block;font-size:13px;font-weight:600;margin:16px 0 8px}input{border:1px solid #d5ded4;background:#fafcf9;padding:15px 16px;border-radius:12px;width:100%;font:inherit;min-width:0}input:focus{outline:2px solid #88ad92;outline-offset:2px}button{border:0;background:var(--green);color:white;border-radius:12px;font:inherit;font-size:14px;font-weight:600;padding:16px 24px;cursor:pointer;white-space:nowrap}button:hover{filter:brightness(1.08)}button:disabled{opacity:.45;cursor:not-allowed}.warning{font-size:12px;color:#8d642d;line-height:1.8;margin-top:24px}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.text-button{background:transparent;color:var(--green);padding:12px}.drop{border:1.5px dashed #9dbba5;border-radius:16px;background:#f5f9f2;padding:32px 12px;display:flex;align-items:center;flex-direction:column;gap:12px;cursor:pointer;text-align:center}.drop.drag{background:#e5f1db}.drop span:last-of-type{color:var(--muted);font-size:12px}.upload-icon{font-size:32px;color:var(--green)}#file{position:absolute;width:1px;height:1px;opacity:0}.drop:focus-within{outline:2px solid var(--green)}#upload{width:100%}#download button{width:100%;margin-top:16px}#code{letter-spacing:8px;font-size:24px}.small{font-size:12px}progress{width:100%;margin-top:18px;accent-color:var(--green)}.result{margin-top:22px;border-color:#98b391}.code{font-size:48px;letter-spacing:8px;font-weight:700;margin:16px 0}.secondary{background:#eaf0e5;color:var(--green);margin-left:18px}a{color:var(--green);overflow-wrap:anywhere}#message{color:#a33b2d;line-height:1.7;overflow-wrap:anywhere}summary{cursor:pointer;font-weight:600}details p{font-size:14px;line-height:1.8}footer{font-size:11px;color:var(--muted);padding:12px 0 32px}[hidden]{display:none!important}@media(max-width:640px){main{margin-top:32px;padding:0 18px}.grid{grid-template-columns:1fr}.card{padding:22px}.row{flex-direction:column}.mark{width:52px;height:52px;font-size:32px}.secondary{margin:16px 0 0;display:block}}