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1rem;display:flex}.scroll-track{cursor:pointer;background:#1a1a1a;border-radius:8px;width:100%;max-width:400px;height:16px;position:relative}.scroll-thumb{cursor:grab;background:#444;border-radius:6px;width:20%;height:12px;position:absolute;top:2px;left:0}.scroll-thumb:active{cursor:grabbing;background:#666}.toolbar-actions{flex:1;justify-content:flex-end;display:flex}.icon-btn{color:#888;cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:.25rem;transition:color .2s,background .2s;display:flex}.icon-btn:hover{color:#fff;background:#ffffff1a}.keyboard-scroll-wrapper{-webkit-overflow-scrolling:touch;scrollbar-width:none;touch-action:pan-x;background:#000;width:100%;height:300px;overflow:auto hidden}.keyboard-scroll-wrapper::-webkit-scrollbar{display:none}.keyboard-container{touch-action:none;background:#000;min-width:3000px;height:100%;padding-bottom:24px;display:flex;position:relative}.key{cursor:pointer;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;position:absolute}.key.white{background:var(--white-key-bg);z-index:1;border-right:1px solid #ccc;border-bottom-right-radius:4px;border-bottom-left-radius:4px;flex:1;justify-content:center;align-items:flex-end;height:100%;display:flex;position:relative}.key.white:last-child{border-right:none}.key.white.active{background:var(--white-key-active)}.note-label{color:#888;pointer-events:none;background:#000;justify-content:center;align-items:center;width:100%;height:24px;font-size:.75rem;font-weight:500;display:flex;position:absolute;bottom:-24px}.key.black{background:var(--black-key-bg);z-index:2;border-bottom-right-radius:3px;border-bottom-left-radius:3px;height:60%;transition:left .4s cubic-bezier(.2,0,0,1);position:absolute;top:0;box-shadow:2px 4px 6px #00000080}.key.black.active{background:var(--black-key-active);box-shadow:1px 2px 3px #0009}.key.white.is-root .note-label{color:#fff;font-weight:700}.key.black.is-root:after{content:"";background-color:#fff;border-radius:50%;width:6px;height:6px;position:absolute;bottom:8px;left:50%;transform:translate(-50%);box-shadow:0 1px 2px #00000080}@media screen and (orientation:landscape) and (height<=600px){.site-header,.site-footer,.header,.description-box{display:none!important}.app-container{padding:0;padding-top:env(safe-area-inset-top,0);padding-left:env(safe-area-inset-left,0);padding-right:env(safe-area-inset-right,0);padding-bottom:env(safe-area-inset-bottom,0);gap:0;height:100dvh}.keyboard-section{height:100%;box-shadow:none;border-radius:0;flex-direction:column;display:flex}.keyboard-scroll-wrapper{flex-grow:1;height:auto}.top-bar{background:var(--mtl-paper);border-bottom:1px solid var(--mtl-line);align-items:center;gap:1rem;padding:.25rem 1rem}.control-group{flex-direction:row;align-items:center;gap:.5rem}.control-label{display:none}}@media (orientation:portrait) and (width<=768px){.rotate-message{color:#fff;z-index:50;text-align:center;background:#000000d9;flex-direction:column;justify-content:center;align-items:center;gap:1rem;font-weight:500;display:flex;position:absolute;inset:0}.rotate-message svg{margin-bottom:.5rem;transition:transform 1s ease-in-out;animation:2s infinite rotatePhone;transform:rotate(90deg)}.keyboard-toolbar,.keyboard-scroll-wrapper{filter:blur(4px);pointer-events:none}}@keyframes rotatePhone{0%{transform:rotate(0)}50%{transform:rotate(90deg)}to{transform:rotate(90deg)}}.modal-overlay{z-index:1000;opacity:1;background:#0009;justify-content:center;align-items:center;padding:1rem;transition:opacity .2s;display:flex;position:fixed;inset:0}.modal-overlay.hidden{opacity:0;pointer-events:none}.modal-content{background:var(--mtl-paper);width:100%;max-width:400px;color:var(--mtl-ink);border-radius:8px;padding:1.5rem;box-shadow:0 10px 25px #0003}.modal-content h2{margin-bottom:.75rem;font-size:1.15rem}.modal-content p{color:var(--mtl-ink-2);margin-bottom:1.25rem;font-size:.875rem;line-height:1.6}.install-guide{flex-direction:column;gap:1rem;margin-bottom:1.5rem;display:flex}.install-guide h3{color:var(--mtl-ink);margin-bottom:.25rem;font-size:.875rem}.install-guide ol{color:var(--mtl-ink-2);padding-left:1.25rem;font-size:.875rem;line-height:1.5}.install-guide svg{vertical-align:middle;margin:0 .1rem}.modal-actions{justify-content:flex-end;display:flex}.mtl-btn{background:var(--mtl-ink);color:var(--mtl-paper);cursor:pointer;border:none;border-radius:4px;padding:.5rem 1.25rem;font-family:inherit;font-size:.875rem;font-weight:600}