:root{color-scheme:dark;font-family:system-ui,-apple-system,'Segoe UI',sans-serif;background:#0c0e15;color:#f1f4fa}*{box-sizing:border-box}body{margin:0}header{background:radial-gradient(ellipse at right top,#4c1422 0%,#17121c 48%,#11131d 100%);padding:32px max(18px,calc((100vw - 880px)/2));border-bottom:1px solid #53313b}header h1{font-size:clamp(1.7rem,5vw,2.65rem);letter-spacing:-.04em;margin:10px 0}header h1 span{font-weight:450;color:#eab7bd}header p{margin:0;color:#e6b4be}.eyebrow,.kicker{font-size:.74rem;letter-spacing:.14em;font-weight:800;color:#ff838f}main{max-width:880px;margin:24px auto;padding:0 15px}.panel{border:1px solid #353b4a;background:#171b27;border-radius:16px;padding:clamp(16px,3vw,26px);margin-bottom:18px;box-shadow:0 8px 35px #05070c45}.panel h2{font-size:1.24rem;margin:7px 0 12px}.panel p{line-height:1.55;color:#c9d0df}.start-row{display:grid;grid-template-columns:1fr 1.5fr auto;align-items:end;gap:10px;margin-top:22px}label{font-size:.85rem;font-weight:650;color:#e7e9f1;display:block;margin-bottom:7px}input,select{border:1px solid #596174;border-radius:9px;background:#101520;color:#f4f5fb;padding:12px;font-size:1rem;min-width:0;width:100%}button{border:none;border-radius:9px;padding:12px 15px;cursor:pointer;background:#e44e63;color:white;font-weight:750;font-size:.91rem}button:disabled{opacity:.5;cursor:not-allowed}button:hover:not(:disabled){filter:brightness(1.12)}button.secondary{background:#33415a;color:#f5f7fa}.status{min-height:10px;margin:10px 0;color:#b7dfff;font-weight:600;font-size:.93rem}.locked{display:none}.progress{display:flex;justify-content:space-between;gap:8px;color:#d1d9e9;font-size:.8rem;border-bottom:1px solid #394050;padding-bottom:12px}.step{display:grid;grid-template-columns:36px 1fr;gap:12px;padding-top:24px}.step+.step{border-top:1px solid #394050;margin-top:22px}.step-num{background:#8b2f42;color:white;border-radius:11px;display:flex;align-items:center;justify-content:center;height:36px;font-weight:800}.form-line{margin-top:15px}.inline{display:flex;gap:9px}.inline input{flex:1}.output{white-space:pre-wrap;overflow-wrap:anywhere;background:#0c111a;border:1px solid #313b4e;border-radius:10px;padding:12px;margin-top:12px;color:#c2e5da;font:12px/1.5 ui-monospace,Consolas,monospace;max-height:270px;overflow:auto}.output:empty{display:none}.flag{border:1px solid #388d73;background:#10362e;padding:17px;border-radius:12px;margin-top:12px;font:750 clamp(.9rem,3vw,1.15rem) ui-monospace,monospace;overflow-wrap:anywhere}.small{font-size:.82rem}footer{text-align:center;color:#8893a6;font-size:.75rem;margin:20px;padding:24px}@media(max-width:620px){header{padding:25px 18px}.start-row{grid-template-columns:1fr}.inline{flex-direction:column}.step{grid-template-columns:28px 1fr;gap:8px}.step-num{width:28px;height:28px}.progress{flex-direction:column}}