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#bbffb9}.piano-keys{background:#142018;gap:2px;height:140px;display:flex;position:relative}.piano-keys>button:not(.black-key){color:#2e3f2b;background:linear-gradient(#d9ddce,#fffef1);border-radius:0 0 5px 5px;flex-direction:column;flex:1;justify-content:end;align-items:center;gap:8px;min-width:0;padding-bottom:12px;font-size:12px;display:flex;box-shadow:inset 0 -4px #b8c4af}.piano-keys>button.pressed{background:var(--accent)}.piano-keys small{color:#8c9583;font-size:12px}.piano-keys .black-key{color:#fff;z-index:2;background:linear-gradient(#111,#2e3430);border:1px solid #000;border-radius:0 0 4px 4px;width:4.2%;height:80px;position:absolute;top:0;box-shadow:0 4px 3px #0006}.hand-legend{color:#9caf94;flex-wrap:wrap;justify-content:center;gap:20px;padding:16px;font-size:10px;display:flex}.hand-legend span:first-child{color:#b49be5}.hand-legend span:nth-child(2){color:var(--accent)}.result-panel{text-align:center;background:#1e2d22;border:1px solid #46623c;border-radius:16px;max-width:700px;margin:30px auto;padding:35px 20px}.result-panel>svg{color:var(--accent);margin:0 auto 20px}.result-panel h2{font-size:27px}.result-stars{letter-spacing:8px;color:#e5c475;margin:20px 0;font-size:47px}.result-stats{justify-content:center;gap:35px;margin:25px 0;display:flex}.result-stats strong{color:#e8f5de;font-size:27px;display:block}.result-stats span{color:#97ad8d;font-size:11px}.result-panel p{font-size:13px}.button-row{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:25px;display:flex}.academy-card{scroll-snap-align:start;flex:0 0 280px;min-width:0}.academy-card .lesson-card{width:100%;min-width:0;display:block}.academy-result{color:var(--muted);margin-top:8px;font-size:12px;line-height:1.5}.academy-card-actions{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.academy-card-actions .primary,.academy-card-actions .secondary{flex:1;padding:8px 12px}.practice-controls input[type=number]{border:1px solid var(--border);background:var(--card);width:64px;color:inherit;border-radius:4px;padding:8px}.practice-controls input[type=checkbox]{width:auto}.guitar-highway{background:var(--background);color:var(--foreground);border:1px solid var(--border);border-radius:12px;overflow:hidden}.highway-caption{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:8px;padding:16px;font-size:12px;display:flex}.guitar-highway svg{width:100%;min-height:240px;display:block}.highway-lane{fill:var(--card)}.highway-string{stroke:var(--muted);opacity:.4}.highway-label{fill:var(--foreground);font-size:16px;font-weight:650}.highway-beat line{stroke:var(--border)}.highway-beat text{fill:var(--muted);font-size:14px}.highway-measure line{stroke:var(--muted);opacity:.6;stroke-width:2px}.highway-measure text{fill:var(--foreground);font-size:14px}.highway-note{--note:var(--note-mint)}.highway-note.string-1{--note:var(--note-gold)}.highway-note.string-2{--note:var(--note-mint)}.highway-note.string-3{--note:var(--note-coral)}.highway-note.string-4{--note:var(--note-lavender)}.highway-note.string-5{--note:var(--note-blue)}.highway-note.string-6{--note:var(--note-rose)}.highway-note rect{fill:var(--note);stroke:var(--note);stroke-width:2px}.highway-note text{fill:var(--note-foreground);font-size:18px;font-weight:750}.highway-note .highway-direction{fill:var(--note);font-size:18px}.highway-note.note-due rect{stroke:var(--foreground);stroke-width:4px;filter:drop-shadow(0 0 8px var(--note))}.highway-note.note-hit{opacity:.35}.highway-note.note-missed rect{fill:var(--card);stroke:var(--muted)}.highway-note.note-missed text{fill:var(--muted)}.highway-hit-line{stroke:var(--accent);stroke-width:4px;filter:drop-shadow(0 0 8px var(--accent))}.highway-rest text{fill:var(--muted);font-size:12px}.highway-rest line{stroke:var(--muted);stroke-dasharray:4 8;opacity:.25}.highway-preview{flex-wrap:wrap;align-items:center;gap:8px;padding:16px;display:flex}.highway-preview>span{color:var(--muted);padding:8px;font-size:12px}.highway-preview button{padding:8px 12px}.highway-coach{color:var(--muted);margin:16px 0;font-size:12px}.next-chord{opacity:.8}.next-chord .chord{max-width:160px}.next-chord .chord h2{font-size:32px}.next-chord .chord svg{max-height:164px}.exercise .practice-controls label,.exercise .practice-controls strong{font-size:12px}@media (width<=639px){.guitar-game{padding:16px 8px}.guitar-highway svg{height:auto;min-height:0}.guitar-game .chord-display{flex-wrap:wrap;gap:16px}.guitar-game .chord-display>div:last-child{border-left:0;padding-left:0}.guitar-game .chord-timeline{overflow-x:auto}.guitar-game .chord-timeline>div{min-width:72px}}@media (width>=640px){.academy-card{flex-basis:calc(33.3333% - 11.3333px);min-width:225px}main{padding:34px 32px 100px}h1{font-size:32px}.hero-copy{background:linear-gradient(90deg,#253b2b 15%,#253b2bf0 40%,#253b2b00 74%);padding:34px 37px}.hero h2{font-size:42px}.hero-photo-label{z-index:3;color:#e8f3df;align-items:center;gap:12px;font-size:11px;display:flex;position:absolute;bottom:25px;right:25px}.photo-wave{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#27412b66;border:1px solid #ffffff50;border-radius:50%;place-items:center;width:39px;height:39px;display:grid}.metric-row{grid-template-columns:repeat(3,1fr)}.metric{gap:11px;padding:18px 15px}.metric-icon{flex-shrink:0;width:36px;height:36px}.metric strong{font-size:15px}.metric small{font-size:9px}.lesson-card{flex-basis:calc(33.3333% - 11.3333px);min-width:225px}.profile-grid{grid-template-columns:1fr 1fr}.guide-grid{grid-template-columns:1.1fr 1fr;gap:50px}.exercise-body{padding:40px 35px}.exercise-top{padding:20px 35px}.guitar-game{padding:30px 40px}.chord-display{gap:65px}.chord-display>div:last-child{padding-left:45px}.piano-keys{height:165px}.piano-keys .black-key{height:100px}}@media (width>=1024px){.sidebar{z-index:20;background:#171e1a;border-right:1px solid #2c352e;flex-direction:column;flex-shrink:0;width:226px;padding:30px 18px;display:flex;position:fixed;top:0;bottom:0;left:0}.brand{letter-spacing:-1.3px;align-items:center;gap:5px;padding:0 8px;font-size:26px;font-weight:750;display:flex}.brand-mark{color:var(--accent);margin-right:4px;font-size:39px;font-weight:800;line-height:34px}.brand-period{color:var(--accent);margin-left:-5px}.workspace-label{color:#718273;letter-spacing:1.4px;margin:44px 13px 17px;font-size:8px}.sidebar nav{flex-direction:column;gap:7px;display:flex}.nav-item{color:#94a195;text-align:left;background:0 0;border-radius:7px;align-items:center;gap:13px;padding:12px 14px;font-size:12px;display:flex}.nav-item.active{color:#d4edb6;background:#2a3927}.nav-item.active svg{color:var(--accent)}.nav-dot{background:var(--accent);border-radius:50%;width:5px;height:5px;margin-left:auto}.sidebar-bottom{margin-top:auto;padding-top:40px}.daily-tip{background:#202b20;border:1px solid #344134;border-radius:9px;margin-bottom:25px;padding:18px 14px}.tiny-icon{color:#c9ee95;margin-bottom:12px;font-size:24px;display:block}.daily-tip strong{font-size:12px;display:block}.daily-tip p{margin:9px 0 16px;font-size:11px;line-height:1.6}.daily-tip button{color:#c4df9e;background:0 0;align-items:center;gap:10px;padding:0;font-size:10px;display:flex}.account{text-align:left;background:0 0;border-top:1px solid #303b31;align-items:center;gap:9px;width:100%;padding:22px 0 0;display:flex}.account .avatar{flex-shrink:0;width:32px;height:32px}.account strong{color:#d9e2d5;font-size:10px;font-weight:500;display:block}.account small{color:#7e9180;margin-top:5px;font-size:8px;display:block}.account>svg{color:#81927e;margin-left:auto}.main-shell{width:calc(100% - 226px);margin-left:226px}.topbar{height:76px;padding:0 40px}main{padding:32px 40px 35px}.mobile-nav{display:none}.hero{min-height:327px}.hero-copy{padding:32px 38px}.hero img{opacity:.85;width:58%}.hero h2{font-size:43px}.hero p{max-width:300px}.metric strong{font-size:17px}.metric small{font-size:10px}.metric{gap:15px;padding:18px 20px}.metric-icon{width:41px;height:41px}.page-footer{color:#6d7d70;border-top:1px solid #2b352d;justify-content:space-between;padding:20px 40px;font-size:9px;display:flex}.page-footer span:last-child{letter-spacing:1px;font-size:8px}.lesson-card{min-width:220px}.card-image{height:165px}}@media (width>=1280px){.sidebar{width:242px;padding:31px 21px}.main-shell{width:calc(100% - 242px);margin-left:242px}main{padding:35px 46px}.topbar{padding:0 46px}.hero h2{font-size:47px}.hero p{max-width:345px}.hero-copy{padding:36px 40px}.hero{min-height:351px}.card-image{height:178px}.page-heading{margin-bottom:29px}.level-title h2{font-size:20px}.card-body h3{font-size:17px}.card-small{font-size:9px}.card-footer{font-size:10px}.metric-row{margin-bottom:35px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}