:root{--paper:#f4f3ed;--ink:#27372c;--muted:#747c72;--line:#dddfd4;--green:#496747;--lime:#cbd98f;--dark:#191e1b;--white-key-width:49px;--key-height:224px;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-tap-highlight-color:transparent}button,input,select{font:inherit}button{cursor:pointer}button,select,a,input{-webkit-tap-highlight-color:transparent}button:disabled{opacity:.36;cursor:not-allowed}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #819c59;outline-offset:4px}button{transition:background .16s,transform .16s,color .16s}button:active:not(:disabled){transform:translateY(1px)}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-library{position:absolute;width:0;height:0;overflow:hidden}.app-shell{max-width:1240px;margin:auto;padding:0 42px}.topbar{height:95px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:18px;letter-spacing:3px;font-weight:650}.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:#293d2e;color:#eceee1;border-radius:11px}.brand-mark svg{width:25px;height:25px}.brand small{display:block;font-size:8px;letter-spacing:1.7px;color:var(--muted);font-weight:500;margin-top:3px}.top-actions{display:flex;gap:8px;align-items:center}.local-badge{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-right:19px}.local-badge i,.status-dot{display:inline-block;width:6px;height:6px;background:#74936a;border-radius:50%;flex-shrink:0}.icon-btn{width:39px;height:39px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--ink)}.icon-btn:hover{background:#e7e9dd}.hero{padding:34px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px}.eyebrow,.field-label,.micro-label{font-size:10px;letter-spacing:1.8px;font-weight:650}.eyebrow{color:var(--muted);margin:0 0 8px}h1{font-family:Georgia,"Times New Roman",serif;font-size:57px;line-height:1.12;letter-spacing:-2px;font-weight:400;margin:0 0 9px}h1 span{color:#8b9b64}.hero-subtitle{font-size:14px;color:var(--muted);margin:0 0 14px}.engine-line{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:11px;color:var(--muted)}.engine-line .text-button{margin-left:9px;font-size:11px}.text-button{display:inline-flex;align-items:center;gap:7px;background:none;border:0;color:var(--green);padding:5px 0;font-size:12px}.text-button:hover{text-decoration:underline}.text-button svg{height:17px;width:17px}.hero-art{width:320px;opacity:.9;margin-right:16px}.hero-art>svg{width:100%;height:auto;stroke:none}.control-panel{background:#e9ebdf;border:1px solid #dde1d2;border-radius:15px;padding:19px 23px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:26px;margin-bottom:20px;align-items:center}.field-label{display:flex;justify-content:space-between;gap:12px;font-size:9px;letter-spacing:1.4px;margin-bottom:7px;color:#697563}.field-label output{letter-spacing:0;color:#3b5136;font-variant-numeric:tabular-nums}.instrument-control{padding-right:22px;border-right:1px solid #d2d8c6}.instrument-control select{border:0;background:transparent;color:var(--ink);font-weight:600;font-size:16px;width:100%;padding:0 15px 0 0;cursor:pointer;min-height:26px}.tiny{display:block;color:#7c8576;font-size:9px;margin-top:4px}.range-row{display:flex;align-items:center;gap:10px;height:26px}.range-row svg{width:18px;height:18px;color:#849177}.reverb-symbol{font-size:27px;line-height:1;color:#849177}.range-row input{width:100%;min-width:0}input[type=range]{accent-color:#59734d;cursor:pointer;height:18px}.switch-button{display:flex;align-items:center;gap:8px;border:0;background:transparent;padding:2px 0;color:var(--ink);font-size:12px}.toggle-track{width:30px;height:17px;border-radius:20px;background:#bac0af;display:flex;align-items:center;padding:3px;transition:background .2s}.toggle-track span{width:11px;height:11px;display:block;border-radius:50%;background:#fff;transition:transform .2s}.switch-button[aria-pressed=true] .toggle-track{background:#5c7651}.switch-button[aria-pressed=true] .toggle-track span{transform:translateX(13px)}.piano{background:var(--dark);border-radius:15px;box-shadow:0 19px 30px -18px #29332970,0 2px 2px #10191040;overflow:hidden;border:1px solid #30352e;color:#daddce;position:relative}.piano-top{display:flex;align-items:center;justify-content:space-between;padding:20px 23px 4px;gap:14px}.piano-wordmark{font-size:12px;letter-spacing:3px;color:#becab0;font-weight:500;white-space:nowrap}.piano-wordmark span{font-size:7px;letter-spacing:1.4px;color:#657060;margin-left:14px}.sound-state{font-size:10px;color:#8f9987;display:flex;align-items:center;gap:7px}.sound-state i{height:5px;width:5px;background:#718167;border-radius:50%}.sound-state i.ready{background:#c3d48c;box-shadow:0 0 7px #bed18755}.panic-button{background:none;border:1px solid #373d32;color:#87917e;border-radius:6px;font-size:9px;padding:5px 8px}.panic-button:hover{color:#dfe8d5;border-color:#728165}.visual-display{height:93px;position:relative;overflow:hidden}#visualizer{width:100%;height:100%;display:block;opacity:.68}.current-notes{position:absolute;left:23px;top:18px;pointer-events:none}.micro-label{font-size:7px;color:#738265;letter-spacing:1.8px;display:block;margin-bottom:8px}.current-notes strong{font-family:Georgia,serif;font-size:19px;line-height:1.3;font-weight:400;color:#bdc9a9}.display-right{position:absolute;right:24px;top:19px;text-align:right}.display-right span{display:block;font-size:9px;letter-spacing:1.4px;color:#b0bf98}.display-right span+span{font-size:8px;letter-spacing:.7px;color:#728268;margin-top:7px}.keyboard-viewport{width:100%;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;position:relative;border-top:4px solid #75885a;background:#11150f}.keyboard-viewport::-webkit-scrollbar{display:none}.keyboard{position:relative;height:var(--key-height);touch-action:none;user-select:none;-webkit-user-select:none}.piano-key{position:absolute;top:0;padding:0;border:0;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;touch-action:none;user-select:none;-webkit-user-select:none;border-radius:0 0 5px 5px;transition:none;cursor:pointer}.piano-key.white{height:var(--key-height);width:var(--white-key-width);background:linear-gradient(90deg,#dadbcf 0%,#f5f4e9 9%,#f9f8ef 90%,#e2e3d7 100%);border-right:1px solid #a5a897;border-left:1px solid #ced0bf;border-bottom:6px solid #c2c6b2;box-shadow:inset 0 5px 9px #333c2517;z-index:1;color:#5c6650}.piano-key.white.is-active{background:linear-gradient(#d2dfa7,#e6ecce 60%,#c7d798);border-bottom-width:2px;transform:translateY(3px);height:calc(var(--key-height) - 3px);box-shadow:inset 0 4px 16px #5b743344}.piano-key.black{width:calc(var(--white-key-width)*.60);height:calc(var(--key-height)*.62);background:linear-gradient(90deg,#161c17,#343b32 28%,#282f27 80%,#121813);z-index:3;color:#8e9883;border:1px solid #101910;border-top:0;border-bottom:7px solid #0b110c;border-radius:0 0 4px 4px;box-shadow:3px 6px 4px #18231640,inset 0 -2px #4c5646}.piano-key.black.is-active{background:linear-gradient(90deg,#34452b,#6c8050 48%,#415534);border-bottom-width:3px;transform:translateY(2px);height:calc(var(--key-height)*.62 - 2px)}.piano-key .note-label{font-size:10px;margin-bottom:5px;font-weight:500;pointer-events:none}.piano-key.black .note-label{font-size:8px;margin-bottom:3px}.piano-key .key-hint{font-size:8px;margin-bottom:10px;height:10px;color:#919d80;pointer-events:none}.piano-key.black .key-hint{margin-bottom:5px;color:#6e805a}.piano-key.middle-c .note-label{color:#64814c;font-weight:750}.piano-key.middle-c:after{content:"";height:3px;width:3px;border-radius:50%;background:#8da562;position:absolute;bottom:37px}.keyboard.hide-labels .note-label{visibility:hidden}.keyboard-navigator{height:38px;display:flex;align-items:center;gap:11px;padding:6px 23px;color:#758168;font-size:8px;letter-spacing:1px}.overview-wrap{height:19px;flex:1;position:relative;overflow:hidden;border-radius:3px}#overview{width:100%;height:100%;display:block}#overview-window{position:absolute;top:0;bottom:0;border:1px solid #b4c88a;border-radius:3px;background:#c8df9215;pointer-events:none}.overview-wrap input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;touch-action:pan-x}.overview-wrap:focus-within{outline:2px solid var(--lime);outline-offset:2px}.piano-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 22px 18px;border-top:1px solid #272e23}.octave-control{display:flex;align-items:center;gap:11px}.octave-control>span,.zoom-label{font-size:8px;letter-spacing:1.1px;color:#7d896e}.octave-control strong{font-size:11px;color:#b8c6a2;min-width:23px;text-align:center;font-weight:500}.dark-icon{background:#293124;border:1px solid #3c4734;color:#a4b98b;width:27px;height:27px;border-radius:6px;padding:4px;display:grid;place-items:center}.dark-icon svg{height:14px;width:14px}.dark-icon:hover{background:#3d4b34}.sustain-button{display:flex;align-items:center;gap:10px;border-radius:7px;padding:7px 11px;background:#252d21;border:1px solid #404e35;color:#b6c79e;font-size:11px}.sustain-button svg{width:17px;height:17px}.sustain-button i{width:5px;height:5px;background:#59644e;border-radius:50%;margin-left:3px}.sustain-button[aria-pressed=true]{background:#465731;border-color:#9eaf70;color:#e0eacb}.sustain-button[aria-pressed=true] i{background:#d8eb96;box-shadow:0 0 6px #d8eb96}.sustain-button kbd{font-size:7px;letter-spacing:.6px;background:#151d12;border-color:#46553b;color:#8f9f7b}.key-options{display:flex;align-items:center;gap:10px}.key-options button{background:none;border:0;color:#a8ba90;font-size:11px;padding:5px}.key-options button:nth-of-type(2),.key-options button:nth-of-type(3){font-size:17px;min-width:25px}.key-options button:first-child{font-size:10px;color:#849572;border-right:1px solid #3a4331;padding-right:15px}.key-options button[aria-pressed=false]{color:#56634c}.studio-tools{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:23px}.practice-card,.recorder-card{border:1px solid var(--line);border-radius:13px;padding:20px 23px;background:#f7f7f0}.section-heading{display:flex;align-items:center;gap:9px;margin-bottom:17px}.section-heading svg{width:18px;height:18px;color:#788965}.section-heading h2{font-size:13px;font-weight:550;margin:0}.section-heading #record-timer{margin-left:auto;font:12px 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.record-dot{background:#efd6c6;border-radius:1px;animation:blink 1.2s infinite}.export-button{margin-left:auto;width:35px;height:35px;border-radius:7px}.export-button svg{width:17px;height:17px}.bottom-bar{display:flex;gap:16px;justify-content:space-between;align-items:center;padding:23px 1px 28px}.bottom-bar p{font-size:10px;color:#979e8c;margin:0}.bottom-bar>div{display:flex;gap:19px;align-items:center}.bottom-bar .text-button{font-size:10px;color:#7b8c68}.mobile-hint{display:none}kbd{font-family:inherit;display:inline-block;border:1px solid #d9dfce;background:#eef0e6;border-radius:3px;padding:1px 4px;font-size:9px;color:#7e8c6c}footer{border-top:1px solid var(--line);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;color:#a2ab96}footer>span{font-size:8px;letter-spacing:1.7px}footer .text-button{color:#99a28b;font-size:9px}.welcome-backdrop{position:fixed;inset:0;background:#1823175e;backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);z-index:100;display:grid;place-items:center;padding:22px;overflow-y:auto}.welcome-card{background:#f5f5ec;border:1px solid #fff9;border-radius:23px;text-align:center;box-shadow:0 30px 100px #10200e45;padding:38px 43px 30px;width:410px;max-width:100%}.welcome-logo{display:grid;place-items:center;width:53px;height:53px;border-radius:15px;background:#e2e8d7;color:#587049;margin:0 auto 23px}.welcome-logo svg{width:28px;height:28px}.welcome-card .eyebrow{font-size:9px;letter-spacing:2px}.welcome-card h2{font-family:Georgia,serif;font-size:43px;font-weight:400;line-height:1.13;letter-spacing:-1.3px;margin:16px 0}.welcome-card>p:not(.eyebrow){font-size:12px;line-height:1.85;color:#8b9680}.start-button{display:flex;justify-content:space-between;align-items:center;width:100%;height:49px;padding:0 20px;border:0;border-radius:9px;background:#3e5b37;color:#f2f5e9;font-size:13px;margin:26px 0 16px}.start-button:hover{background:#527647}.welcome-card>span{font-size:7px;letter-spacing:.8px;color:#929d85;display:block}.welcome-backdrop.hidden{display:none}dialog{border:1px solid #d3dbc8;border-radius:17px;background:#f6f6ed;color:var(--ink);max-width:540px;width:calc(100% - 36px);padding:25px;box-shadow:0 24px 80px #15200e44}dialog::backdrop{background:#1c28195c;backdrop-filter:blur(4px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.dialog-heading h2{font:29px Georgia,serif;margin:0}.dialog-heading .icon-btn{width:32px;height:32px;font-size:13px}#dialog-body{font-size:13px;color:#6b7a61;line-height:1.8}#dialog-body h3{font-size:13px;color:#3e5534;margin:18px 0 5px}#dialog-body p{margin:0 0 14px}#dialog-body a{color:#496d34}#dialog-body .key-guide{background:#e7eddc;padding:13px;border-radius:8px;word-spacing:4px;font-size:12px}#toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translate(-50%,15px);background:#33482d;color:#f0f4e7;padding:12px 20px;border-radius:10px;z-index:200;font-size:12px;max-width:calc(100% - 30px);text-align:center;box-shadow:0 6px 30px #15201435;pointer-events:none;opacity:0;transition:opacity .2s,transform .2s}#toast.visible{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}@keyframes blink{50%{opacity:.4}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(min-width:1600px){.app-shell{max-width:1390px}.hero{padding-top:43px;padding-bottom:38px}h1{font-size:65px}:root{--key-height:262px}.visual-display{height:108px}.studio-tools{margin-top:28px}.hero-art{width:370px}.control-panel{padding:23px 26px}}
@media(max-width:1000px){.app-shell{padding:0 28px}.hero-art{width:250px;margin:0}.control-panel{gap:17px;padding:18px}.touch-control .tiny{font-size:8px}.instrument-control{padding-right:10px}.piano-wordmark span{display:none}.bottom-bar{flex-direction:column;gap:12px;align-items:flex-start}.bottom-bar>div{width:100%;justify-content:space-between}.local-badge{margin-right:8px}.studio-tools{gap:14px}.practice-card,.recorder-card{padding:18px}.beats{gap:5px}.key-options{gap:5px}.zoom-label{display:none}}
@media(max-width:700px){:root{--key-height:219px}.app-shell{padding:0 16px}.topbar{height:74px}.brand{font-size:15px;letter-spacing:2px;gap:10px}.brand-mark{width:36px;height:36px;border-radius:9px}.brand-mark svg{width:21px;height:21px}.brand small{font-size:6px;letter-spacing:1.2px}.local-badge{display:none}.icon-btn{height:34px;width:34px}.top-actions{gap:7px}.hero{padding:27px 0 23px;gap:0}.hero-art{width:145px;position:absolute;right:12px;margin-top:-17px;opacity:.64;pointer-events:none}.hero>div:first-child{z-index:1;width:100%}.hero .eyebrow{font-size:8px;letter-spacing:1.4px}h1{font-size:43px;letter-spacing:-1.6px;max-width:265px}.hero-subtitle{font-size:11px;margin-bottom:13px}.engine-line{font-size:9px;gap:5px}.engine-line .text-button{font-size:9px;margin-left:7px}.control-panel{grid-template-columns:1fr 1fr;padding:16px;gap:14px 22px;margin-bottom:15px;border-radius:13px}.instrument-control{border-right:0;padding:0}.instrument-control select{font-size:15px}.instrument-control .tiny{font-size:8px}.control-panel .slider-control:nth-child(2){grid-row:2;grid-column:1}.control-panel .slider-control:nth-child(3){grid-row:2;grid-column:2}.touch-control{grid-row:1;grid-column:2}.touch-control .tiny{font-size:8px;max-width:155px}.field-label{font-size:8px;margin-bottom:6px;letter-spacing:1px}.range-row{height:23px}.piano{border-radius:11px}.piano-top{padding:16px 14px 2px;gap:7px}.piano-wordmark{font-size:10px;letter-spacing:2px}.sound-state{font-size:8px;gap:5px}.panic-button{font-size:8px;padding:4px 6px}.visual-display{height:78px}.current-notes{left:14px;top:14px}.current-notes strong{font-size:17px}.display-right{right:14px;top:16px}.display-right span{font-size:8px}.micro-label{font-size:6px;margin-bottom:7px}.piano-bottom{flex-wrap:wrap;padding:11px 13px 12px;gap:10px}.octave-control{gap:8px}.octave-control>span{font-size:7px;margin-right:2px}.sustain-button{font-size:10px;padding:6px 9px;gap:7px}.sustain-button kbd{display:none}.sustain-button svg{width:15px;height:15px}.key-options{border-top:1px solid #2f3827;padding-top:6px;justify-content:flex-end;width:100%;gap:6px;height:27px}.key-options button:first-child{margin-right:auto;border-right:0;padding-right:0}.zoom-label{display:inline;font-size:7px}.key-options button:nth-of-type(2),.key-options button:nth-of-type(3){font-size:16px}.keyboard-navigator{padding:6px 14px;height:33px}.studio-tools{gap:13px;grid-template-columns:1fr;margin-top:19px}.practice-card,.recorder-card{padding:15px 17px}.section-heading{margin-bottom:12px}.section-heading h2{font-size:12px}.beats{gap:10px}.card-note{margin-top:10px;font-size:9px}.outline-button,.record-button{height:36px;font-size:11px}.record-button{min-width:115px}.export-button{height:36px;width:36px}.bottom-bar{padding:19px 0 22px;gap:10px}.desktop-hint{display:none}.mobile-hint{display:inline}.bottom-bar p{font-size:10px}.bottom-bar>div{gap:10px}.bottom-bar .text-button{font-size:9px}.bottom-bar #midi{font-size:9px}.bottom-bar #midi svg{width:14px;height:14px}footer{padding:17px 0 22px}footer>span{font-size:6px;letter-spacing:1.2px}footer .text-button{font-size:8px}.welcome-card{padding:29px 28px 26px;max-width:355px}.welcome-card h2{font-size:41px}.welcome-card>span{font-size:6px}}
@media(max-width:370px){.app-shell{padding:0 11px}.hero-art{width:115px;right:5px;opacity:.5}h1{font-size:40px}.sound-state{max-width:115px}.control-panel{gap:14px}.touch-control .tiny{font-size:7px}.beats{gap:7px}.top-actions .icon-btn{width:30px;height:30px}.hero-subtitle{font-size:10px}.engine-line .text-button{margin-left:0}.bottom-bar>div{gap:8px}.bottom-bar .text-button{font-size:8px}}
@media(max-height:530px) and (orientation:landscape){.app-shell{padding:0 16px;max-width:none}.topbar,.hero,.control-panel,.studio-tools,.bottom-bar,footer{display:none}.piano{margin:9px 0}.piano-top{padding:10px 16px 0}.visual-display{height:46px}.current-notes{top:6px;left:16px}.current-notes .micro-label{display:none}.display-right{top:4px}.display-right span+span{margin-top:2px}:root{--key-height:calc(100dvh - 192px)}.piano-bottom{padding:8px 15px;flex-wrap:nowrap}.key-options{width:auto;padding:0;border:0;height:auto}.sustain-button kbd{display:none}.key-options button:first-child{display:none}.keyboard-navigator{height:29px}.welcome-card{padding:18px 30px;max-width:500px}.welcome-logo{display:none}.welcome-card h2{font-size:30px;margin:9px 0}.welcome-card h2 br{display:none}.welcome-card>p:not(.eyebrow){font-size:11px;margin:8px 0}.start-button{height:39px;margin:12px 0}.welcome-card>span{font-size:7px}}