:root{--bg: #0a0a0a;--surface: #141414;--surface-alt: #1f1f1f;--border: #2b2b2b;--text: #f5f5f5;--text-dim: #9a9a9a;--accent: #ffffff;--accent-text: #0a0a0a;--case: #f2f2f2;--key-bg: #ffffff;--key-text: #111111;--key-border: #d5d5d5;--key-selected: #111111;--font: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;--radius: 8px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;-webkit-font-smoothing:antialiased}#root{height:100vh;display:flex;flex-direction:column}button{font-family:inherit;font-size:13px;border:1px solid var(--border);background:transparent;color:var(--text);border-radius:10px;padding:7px 14px;cursor:pointer;transition:background .12s,border-color 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rotate(12deg)}.kb-key.encoder.selected,.kb-key.encoder.pressed{background:var(--key-selected);box-shadow:inset 0 0 0 3px var(--case),0 3px 6px #00000038}.kb-key.slider{border:none;border-radius:10px;align-items:center;justify-content:flex-end;padding:0 0 7px;overflow:hidden;background:linear-gradient(180deg,#14161b,#1c1f26,#14161b);box-shadow:inset 0 2px 6px #000000b3,inset 0 0 0 1px #0000008c,0 1px #ffffffb3;transition:transform .08s,box-shadow .12s}.kb-key.slider .slider-track{position:absolute;top:13px;bottom:30px;left:50%;width:3px;transform:translate(-50%);border-radius:3px;background:linear-gradient(#ffffff29,#ffffff0a);box-shadow:0 1px 1px #00000080}.kb-key.slider .slider-track:before{content:"";position:absolute;top:34%;left:50%;transform:translate(-50%,-50%);width:24px;height:15px;border-radius:4px;background:linear-gradient(180deg,#fff,#eceef2 46%,#ccd0d8);box-shadow:0 3px 5px #0000008c,inset 0 1px #fffffff2,inset 0 -1px #0000002e}.kb-key.slider 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16px #0006}.hid-note{max-width:640px;margin:-6px auto 22px;padding:10px 14px;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:10px;background:var(--surface);color:var(--text-dim);font-size:12.5px;line-height:1.5;text-align:center}@media (max-width: 720px){.main{overflow-x:hidden}.topbar{padding:12px 16px;gap:10px;flex-wrap:wrap}.wordmark{font-size:15px}.stage-title{font-size:25px;margin:8px 0 16px}.content{padding:0 14px 110px}.pill-tabs{max-width:100%;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.pill-tabs::-webkit-scrollbar{display:none}.pill-tabs button{white-space:nowrap;padding:7px 15px}.kb-center{justify-content:flex-start;overflow-x:auto;overflow-y:hidden;padding:6px 14px 12px;margin:0 -14px;-webkit-overflow-scrolling:touch}.kb-case{padding:16px;border-radius:20px}.hid-note{margin-left:14px;margin-right:14px}}@media (max-width: 460px){.stage-title{font-size:21px}.panel{padding:14px}.settings-grid{grid-template-columns:1fr;gap:4px 0;max-width:100%}.kc-item{min-width:40px;height:38px}.layer-tabs{flex-wrap:wrap}.toast{left:14px;right:14px;bottom:22px;text-align:center}.stage-footer{font-size:10.5px;padding:0 14px}}