:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#142033;background:#f4f6f9}*{box-sizing:border-box}body{margin:0}header{height:82px;background:#fff;border-bottom:1px solid #dde3ea;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 980px)/2))}.brand{display:flex;align-items:center;gap:13px}.logo{height:44px;width:44px;display:grid;place-items:center;border-radius:14px;background:#2563eb;color:#fff;font-size:24px}.brand h1{font-size:20px;margin:0}.brand p{font-size:13px;color:#718096;margin:3px 0 0}.status{padding:7px 12px;border-radius:99px;background:#e9fbf2;color:#14794b;font-size:12px;font-weight:700}main{max-width:980px;margin:auto;padding:38px 24px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.steps article{padding:16px;border:1px solid #dde3ea;border-radius:16px;background:#fff;box-shadow:0 2px 8px #1725540b}.steps b{color:#2563eb;margin-right:10px}.steps span{font-size:14px;font-weight:650}form{background:#fff;border:1px solid #dde3ea;border-radius:24px;padding:18px;box-shadow:0 5px 20px #1725540c}#drop{display:block;text-align:center;padding:48px 20px;border:2px dashed #c6cfdb;border-radius:18px;cursor:pointer;transition:.2s}#drop:hover,#drop.active{border-color:#2563eb;background:#eff6ff}input{display:none}.upload{width:54px;height:54px;display:grid;place-items:center;margin:auto;border-radius:16px;background:#dbeafe;color:#1d4ed8;font-size:28px;font-weight:bold}h2{font-size:18px;margin:15px 0 4px}p{color:#6b778c}.button,#start{display:inline-block;border:0;border-radius:11px;background:#2563eb;color:#fff;font-weight:700;font-size:14px;padding:11px 18px;margin-top:10px}#selected{margin:15px 0 0;padding:14px;border-radius:12px;background:#f1f5f9;font-size:14px;font-weight:650}#start{width:100%;cursor:pointer;padding:13px}#start:disabled{opacity:.55;cursor:not-allowed}#message{text-align:center;font-size:14px;min-height:20px}.info{margin-top:20px;padding:20px;background:#fff;border:1px solid #dde3ea;border-radius:20px}.timeline{display:flex;overflow:hidden;border-radius:12px;height:58px}.timeline span{display:grid;place-items:center;text-align:center;background:#e2e8f0;border-right:2px solid #fff;font-size:12px;padding:5px}.timeline .tone{background:#f59e0b;color:#fff}.timeline .music{background:#2563eb;color:#fff}.info p{font-size:14px;line-height:1.55}@media(max-width:680px){.steps{grid-template-columns:1fr 1fr}.status{display:none}.timeline{height:76px}.timeline span{font-size:10px}main{padding:24px 14px}}#list{margin-top:15px;border:1px solid #dde3ea;border-radius:14px;max-height:260px;overflow:auto}#list div{display:flex;justify-content:space-between;gap:16px;padding:11px 14px;border-bottom:1px solid #edf0f4;font-size:13px}#list div:last-child{border-bottom:0}#list span{color:#718096;white-space:nowrap}