*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;display:flex;height:100vh;overflow:hidden;background:#f8fafc;color:#1e293b}#controls{width:300px;flex-shrink:0;padding:20px 18px;background:#fff;border-right:1px solid #e2e8f0;display:flex;flex-direction:column;gap:14px;overflow-y:auto}.panel-footnote{margin-top:auto;position:sticky;bottom:0;padding-top:10px;font-size:.78rem;color:#727c8a;line-height:1.35}.panel-footnote a{color:#2563eb;text-decoration:underline;text-underline-offset:2px}#plot{flex:1;min-width:0}h1.app-title{font-size:1.15rem;font-weight:700;color:#0f172a}.app-subtitle{font-size:.8rem;color:#64748b;margin-top:3px}.section-title{font-size:.7rem;font-weight:700;color:#727c8a;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.subsection-title{font-size:.8rem;font-weight:600;color:#475569;margin-top:4px;margin-bottom:6px}hr{border:0;border-top:1px solid #e2e8f0}.param-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.param-label{font-size:.9rem;font-weight:500}.param-value{font-size:.9rem;font-weight:700;color:#2563eb;min-width:44px;text-align:right;font-variant-numeric:tabular-nums}input[type=range]{width:100%;accent-color:#2563eb;cursor:pointer}.desc{font-size:.8rem;color:#475569;background:#f8fafc;border-left:3px solid #2563eb;padding:8px 10px;border-radius:0 6px 6px 0;line-height:1.55;margin-top:8px}.btn{width:100%;padding:10px 14px;border:0;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;justify-content:center;gap:6px}.btn-primary{background:#2563eb;color:white}.btn-primary:hover:not(:disabled){background:#1d4ed8;box-shadow:0 4px 12px rgba(37,99,235,0.25);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{background:#cbd5e1;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background:#f1f5f9;color:#475569;border:1.5px solid #e2e8f0}.btn-secondary:hover{background:#e2e8f0}.switch{--button-width:3em;--button-height:1.5em;--toggle-diameter:1.2em;--button-toggle-offset:calc((var( -  - button - height) - var(--toggle-diameter)) / 2);--toggle-shadow-offset:10px;--toggle-wider:3em;--color-grey:#ccc;--color-green:#2563eb}.slider{display:inline-block;width:var(--button-width);height:var(--button-height);background-color:var(--color-grey);border-radius:calc(var( -  - button - height) / 2);position:relative;transition:.3s all ease-in-out}.slider::after{content:"";display:inline-block;width:var(--toggle-diameter);height:var(--toggle-diameter);background-color:#fff;border-radius:calc(var( -  - toggle - diameter) / 2);position:absolute;top:var(--button-toggle-offset);transform:translateX(var(--button-toggle-offset));box-shadow:var(--toggle-shadow-offset) 0 calc(var( -  - toggle - shadow - offset) * 4) rgba(0,0,0,0.1);transition:.3s all ease-in-out}.switch input[type="checkbox"]:checked+.slider{background-color:var(--color-green)}.switch input[type="checkbox"]:checked+.slider::after{transform:translateX(calc(var( -  - button - width) - var(--toggle-diameter) - var(--button-toggle-offset)));box-shadow:calc(var( -  - toggle - shadow - offset) * -1) 0 calc(var( -  - toggle - shadow - offset) * 4) rgba(0,0,0,0.1)}.switch input[type="checkbox"]{display:none}.switch input[type="checkbox"]:active+.slider::after{width:var(--toggle-wider)}.switch input[type="checkbox"]:checked:active+.slider::after{transform:translateX(calc(var( -  - button - width) - var(--toggle-wider) - var(--button-toggle-offset)))}