:root{color:#f4f5f7;background-color:#111;font-synthesis:none;text-rendering:optimizeLegibility;--tile-size: 30px}*,*:before,*:after{box-sizing:border-box}html,body,#root{min-height:100vh;width:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#333;background-image:url(images/tile-diagonal.png);background-size:var(--tile-size);background-repeat:repeat;background-attachment:fixed;color:#f6f7fb;display:flex;align-items:center;justify-content:center;-moz-user-select:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-user-drag:none}.app-shell{width:min(1200px,100%);margin:0 auto;padding:clamp(.75rem,3vw,1.5rem) clamp(1.5rem,4vw,3rem);display:flex;justify-content:center}.visualizer-page{width:100%;display:flex;flex-direction:column;gap:1.75rem;color:#f4f5f7}.logo-bar{display:flex;justify-content:center;opacity:.8}.logo-bar svg{width:180px;color:#f4f5f7}.control-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}.card{border-radius:28px;padding:1.5rem;box-shadow:0 20px 80px #00000059}.control-card,.option-card{background:#444}.control-card--stacked{display:flex;flex-direction:column;gap:1.5rem}.control-card h3,.option-card h3{margin-top:0;margin-bottom:1rem;font-size:1rem;text-transform:uppercase;letter-spacing:.08em;color:#ffffffa6}.slider{display:block}.slider input[type=range]{width:100%;accent-color:#ffd149}.slider-scale{display:flex;justify-content:space-between;font-family:JetBrains Mono,Fira Mono,SFMono-Regular,Consolas,monospace;font-size:.75rem;color:#fff6;margin-top:.5rem}.option-stack{display:flex;flex-direction:column;gap:.75rem}.option-button{display:flex;align-items:center;justify-content:space-between;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:.9rem 1rem;font-size:.95rem;background:#ffffff0d;color:#ffffffd9;transition:background .2s ease,border .2s ease}.option-button:hover:not(:disabled){background:#ffffff14}.option-button:disabled{opacity:.4;cursor:not-allowed}.option-button--active{border-color:#ffd14999;background:#ffd14929;color:#ffd149}.option-label{display:flex;align-items:center;gap:.5rem;letter-spacing:.04em;text-transform:uppercase;font-size:.75rem}.visualizer-card{position:relative;width:100%;height:360px;margin-top:1.5rem;border-radius:24px;background:#fff;overflow:hidden}.visualizer-ruler{position:relative;width:100%;height:100%;background:linear-gradient(180deg,#fff,#fdfdfd);overflow:hidden}.visualizer-ruler__inner{position:absolute;top:24px;bottom:36px;left:clamp(32px,6vw,64px);right:clamp(32px,6vw,64px)}.line{position:absolute;top:0;display:flex;flex-direction:column;align-items:center;transform:translate(-50%);pointer-events:none}.line-stem{height:225px;transition:opacity .2s ease}.line-label{margin-top:8px;font-family:JetBrains Mono,Fira Mono,SFMono-Regular,Consolas,monospace;font-size:1.05rem;font-weight:600;color:#050505}.strum-toggle{margin-top:8px;pointer-events:auto;border:none;background:transparent;cursor:pointer;padding:.4rem;border-radius:999px;transition:background .2s ease}.strum-toggle:hover{background:#00000014}.strum-icon{opacity:0;transition:opacity .2s ease;color:#050505}.strum-icon.is-visible{opacity:1}.strum-icon__glyph{width:28px;height:28px}@media(max-width:640px){.card{border-radius:22px}.visualizer-card{height:300px}.visualizer-ruler__inner{inset:18px 24px 40px}}