:root{color:#eef3ee;font-synthesis:none;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:#111920;font-family:Inter,Noto Sans KR,system-ui,-apple-system,sans-serif;line-height:1.6}*{box-sizing:border-box}body{min-width:280px;margin:0}a{color:inherit;text-decoration:none}button,textarea,select{font:inherit}.app-shell{max-width:1220px;margin:auto;padding:0 48px}.topbar{border-bottom:1px solid #303b42;justify-content:space-between;align-items:center;gap:16px;min-height:100px;display:flex}.brand{letter-spacing:-.6px;font-size:21px;font-weight:750}.brand-mark{color:#b4edbd;vertical-align:middle;margin-right:9px;font-size:28px}.phase-badge{color:#b4edbd;letter-spacing:1px;white-space:nowrap;background:#25382e;border:1px solid #3d5144;border-radius:30px;padding:5px 12px;font-size:11px}.auth-controls{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.auth-status{color:#b4edbd;letter-spacing:1px;white-space:nowrap;background:#25382e;border:1px solid #3d5144;border-radius:30px;padding:5px 12px;font-size:11px}.auth-action{color:#15251c;white-space:nowrap;background:#b4edbd;border-radius:10px;justify-content:center;align-items:center;min-height:32px;padding:6px 12px;font-size:12px;font-weight:700;display:inline-flex}.intro{padding:54px 0 36px}.eyebrow{letter-spacing:3px;color:#b4edbd;font-size:11px;font-weight:700}h1{letter-spacing:-2px;margin:16px 0;font-size:clamp(32px,4.4vw,54px);font-weight:650;line-height:1.25}h1 span{color:#b4edbd}.intro-copy{color:#aab7bf;font-size:15px}.workspace{grid-template-columns:1fr 1.2fr;align-items:stretch;gap:24px;display:grid}.panel{background:#1a252d;border:1px solid #35424a;border-radius:20px;min-width:0;padding:28px}.section-heading{align-items:center;gap:12px;margin-bottom:24px;display:flex}.step{color:#b4edbd;border:1px solid #54665b;border-radius:50%;place-items:center;width:28px;height:28px;font-size:11px;display:grid}h2{margin:0;font-size:17px;font-weight:600}label{color:#ccd6dd;margin:17px 0 8px;font-size:13px;display:block}textarea,select{color:#eef3ee;background:#111b22;border:1px solid #4a5963;border-radius:10px;width:100%;padding:12px}textarea{resize:vertical;min-height:120px}textarea::placeholder{color:#91a3b0}:focus-visible{outline-offset:4px;outline:2px solid #b4edbd}button{color:#15251c;background:#b4edbd;border:0;border-radius:10px;width:100%;margin-top:8px;padding:13px 8px;font-weight:650}button:disabled{color:#bccbc0;cursor:not-allowed;background:#354b3d}.hint{color:#a9b7c1;margin:12px 0 0;font-size:12px}.player-placeholder{aspect-ratio:16/9;text-align:center;background:#131e26;border:1px dashed #4b5c66;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;width:100%;min-width:200px;min-height:220px;padding:18px;display:flex}.record{background:repeating-radial-gradient(circle,#263a34 0 2px,#1a2a28 3px 7px);border:1px solid #516659;border-radius:50%;place-items:center;width:82px;height:82px;display:grid}.record span{border:9px solid #b4edbd;border-radius:50%;width:26px;height:26px}.player-placeholder p{margin:19px 0 4px;font-size:14px}.player-placeholder small{color:#a9b7c1;font-size:11px}.queue-empty{border-top:1px solid #35424a;justify-content:space-between;margin-top:24px;padding-top:18px;font-size:13px;display:flex}.queue-empty span:last-child{color:#b4edbd}.notice{color:#a9b7c1;align-items:center;gap:14px;margin:24px 0 40px;padding:0 4px;font-size:12px;display:flex}.notice>span{color:#b4edbd;font-size:22px}footer{color:#a9b7c1;border-top:1px solid #303b42;justify-content:space-between;gap:12px;padding:22px 0 28px;font-size:11px;display:flex}.connection:before{content:"";background:#a9b7c1;border-radius:50%;width:6px;height:6px;margin-right:7px;display:inline-block}.connected:before{background:#b4edbd}.failed{color:#ffb8a9}.failed:before{background:#ffb8a9}@media (width<=760px){.app-shell{padding:0 20px}.topbar{align-items:flex-start;min-height:80px;padding:18px 0}.brand{font-size:18px}.brand-mark{margin-right:4px}.auth-controls{max-width:55%}.auth-status,.auth-action{padding:5px 8px;font-size:9px}.intro{padding-top:32px}.workspace{grid-template-columns:1fr;gap:16px}.panel{padding:22px}footer{flex-direction:column}}@media (width<=360px){.app-shell{padding:0 12px}.panel{padding:14px}.topbar{flex-wrap:wrap;gap:8px;padding:14px 0}}input{color:#eef3ee;width:100%;font:inherit;background:#111b22;border:1px solid #4a5963;border-radius:10px;padding:12px}.track-list{padding-left:24px}.track-list li{border-bottom:1px solid #35424a;padding:10px 0}.track-list span{color:#a9b7c1;font-size:13px}.error{color:#ffb8a9}.youtube-player{aspect-ratio:16/9;background:#000;width:100%;min-width:200px;min-height:200px}.youtube-player iframe{border:0;width:100%;height:100%}.controls{flex-wrap:wrap;gap:6px;display:flex}.controls button{flex:90px}