@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;600;700;800&display=swap');
:root{font-family:'DM Sans',Segoe UI,sans-serif;color:#253630;background:#f6f7f2;font-synthesis:none}*{box-sizing:border-box}body{margin:0;display:flex}aside{width:235px;background:#edf0e7;border-right:1px solid #dce1d6;position:fixed;inset:0 auto 0 0;padding:37px 26px}.brand{font-size:29px;font-weight:800;color:#234c39;text-decoration:none;display:flex;gap:12px;align-items:center;margin-bottom:65px}.light{font-weight:400}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.8px;color:#7c877c}.nav{margin-top:20px;padding:15px 12px;border-radius:8px;font-size:13px}.active{background:#dde5d5;color:#355339;font-weight:700}.side-note{margin-top:42px;font-size:14px;line-height:1.9}.side-note span{color:#889181;font-size:12px}.side-bottom{position:absolute;bottom:32px;font-size:10px;letter-spacing:1.5px;line-height:2;color:#75816f}.side-bottom small{letter-spacing:0}main{margin-left:235px;width:calc(100% - 235px);padding:30px 5% 20px;max-width:1600px}header{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1.2px;color:#8a9389}.badge{color:#54785a;letter-spacing:0}.intro{padding:43px 0 29px}h1{font-family:Manrope,Segoe UI,sans-serif;font-size:43px;line-height:1.17;letter-spacing:-2px;margin:13px 0 16px;font-weight:800}h1 span{color:#7c9a40}.intro p{font-size:13px;color:#7a857c;line-height:1.8}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px}.card{background:#fff;border:1px solid #e0e5dc;border-radius:15px;padding:25px}.card-top{display:flex;justify-content:space-between;align-items:center}h2{font-size:20px;letter-spacing:-.6px;margin:8px 0 21px}.pill{font-size:10px;padding:7px 10px;border-radius:20px;background:#f0f3eb;color:#6d7e63}.settings{display:flex;gap:12px;margin-bottom:20px}.settings label{font-size:10px;color:#7a857c;flex:1}select{display:block;width:100%;margin-top:7px;border:1px solid #dfe4da;padding:11px 8px;border-radius:7px;background:white;color:#3b4b3f;font:inherit;font-size:12px}.player{background:#f5f7f0;border:1px solid #e8eddf;border-radius:10px;padding:22px;text-align:center}.beat-display{display:flex;gap:10px;justify-content:center}.dot{width:11px;height:11px;border-radius:50%;background:#d7decc}.dot.on{background:#688c36;box-shadow:0 0 0 5px #e0e9cd}.player p{font-size:12px;color:#7c8874;margin:18px 0}button{cursor:pointer;background:white;border:1px solid #dce2d4;border-radius:7px;padding:11px 14px;color:#43513d;font:inherit;font-size:12px;transition:.15s}button:hover{background:#edf3e3}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #94b75a;outline-offset:3px}.primary{background:#d6e9a5;border-color:#d6e9a5;color:#354a23;font-weight:700}.primary:hover{background:#c6df89}.play-actions{display:flex;gap:8px;justify-content:center}.tempo{display:flex;align-items:center;gap:14px;margin:22px auto 13px;max-width:360px;font-size:10px}.tempo input{min-width:40px;flex:1;accent-color:#7b9b45}.tempo output{white-space:nowrap;font-weight:700}.check{font-size:10px;color:#7c8874}.check input{accent-color:#7b9b45;vertical-align:middle}.answer-heading{display:flex;align-items:center;justify-content:space-between;margin-top:17px}h3{font-size:14px;margin:10px 0}.text{border:0;background:transparent;font-size:11px}.hint{font-size:11px;color:#8c958a;margin:0 0 14px}.bars{display:flex;gap:10px}.bar{flex:1;min-width:0;min-height:96px;text-align:left;background:#fafbf8;border:1px dashed #cdd8c1;padding:12px}.bar.selected{border:1px solid #8eac59;background:#f6f9ef}.bar-label{display:block;font-size:9px;color:#859179;margin-bottom:13px}.notation{font-family:'Segoe UI Symbol',serif;font-size:28px;letter-spacing:5px;overflow-wrap:anywhere}.placeholder{font-size:12px;color:#a3ac9b}.palette{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:12px}.figure{padding:10px 3px}.figure b{display:block;font-family:'Segoe UI Symbol',serif;font-size:27px;font-weight:400}.figure span{display:block;font-size:9px;margin-top:4px}.figure small{font-size:9px;color:#98a08f}.feedback{font-size:11px;color:#78836e;padding:17px 0;line-height:1.7}.feedback.error{color:#ac4f36}.feedback.success{color:#437228}.bottom-actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.dark{background:#344e3d;border-color:#344e3d;color:white}.dark:hover{background:#49654e}#solution{margin-top:18px;padding:15px;background:#f0f4e9;border-radius:8px;font-size:12px}.right{display:flex;flex-direction:column;gap:18px}.guide h2{font-size:19px}.guide ol{padding-left:19px;margin-bottom:0}.guide li{padding-left:5px;margin-bottom:24px;font-size:12px;color:#788768}.guide li:last-child{margin-bottom:0}.guide strong{font-size:12px;color:#42513c}.guide p,.tip p{font-size:12px;line-height:1.8;color:#89927f;margin:6px 0 0}.tip{padding:23px;background:#eaf0dc;border-radius:13px}.tip>span{font-size:9px;letter-spacing:1.4px;color:#71864b}.tip h3{font-size:18px;margin-top:15px}.progress strong{display:block;font-size:30px;margin-top:12px}.progress p{font-size:10px;color:#8c9585}footer{font-size:10px;color:#9aa292;margin-top:30px;line-height:1.6}@media(min-width:1500px){main{padding-left:7%;padding-right:7%}}@media(max-width:1100px){aside{width:180px;padding:30px 18px}main{margin-left:180px;width:calc(100% - 180px);padding:26px}.workspace{grid-template-columns:1fr}.right{display:grid;grid-template-columns:1fr 1fr}.progress{display:none}}@media(max-width:650px){aside{display:none}main{margin:0;width:100%;padding:20px}h1{font-size:35px}.intro{padding-top:32px}.card{padding:18px}.right{grid-template-columns:1fr}.guide{display:none}.palette{gap:4px}.figure span{font-size:8px}.tempo{gap:8px}.notation{font-size:24px;letter-spacing:3px}header{font-size:8px}}
.composer{margin-bottom:24px}.composer-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:16px 0;font-size:12px}.composer-tools select{display:inline-block;width:75px;margin:0 8px}.composer-tools input[type=number]{width:65px;padding:9px;border:1px solid #dce2d4;border-radius:6px}.composer .bars{flex-wrap:wrap}.composer .bar{flex:1 1 220px;overflow-x:auto}.composer .palette{grid-template-columns:repeat(auto-fit,minmax(125px,1fr))}.composer .figure svg{width:100%;max-width:155px;height:60px}.composer .figure span{font-size:11px}.composer .bar svg{max-width:none}
.practice-controls{background:#f1f5e9;border:1px solid #dbe5cd;border-radius:12px;padding:20px;margin:20px 0}.pulse{font-size:22px;font-weight:700;color:#536846;margin:10px 0;font-variant-numeric:tabular-nums}.pulse.downbeat{color:#294c22}.practice-options{display:flex;flex-wrap:wrap;gap:16px;margin:15px 0;font-size:12px}.practice-options label{display:flex;align-items:center;gap:7px}.practice-options input{accent-color:#6e903f}.practice-options input[type=range]{width:100px}.composer .bars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.composer .bar{width:100%;min-height:120px}.composer .bar svg{width:100%;height:auto;max-height:110px;display:block}.composer .bar.sounding{border:2px solid #749f39;background:#eaf3d8;box-shadow:0 0 0 3px #749f391c}@media(max-width:650px){.composer .bars{grid-template-columns:1fr}.practice-options{flex-direction:column}}