/* A contained, optional mechanical study. Home layout remains readable without it. */
html[data-theme="silver"] [data-sl-engine]{isolation:isolate;background:#e7eaed;}
html[data-theme="silver"] [data-sl-engine]>.sl-engine-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:0;touch-action:pan-y;cursor:grab;transition:opacity .35s cubic-bezier(.23,1,.32,1);}
html[data-theme="silver"] [data-sl-engine]>.sl-engine-canvas:active{cursor:grabbing;}
html[data-theme="silver"] [data-sl-engine].sl-engine-ready>.sl-engine-canvas{opacity:1;}
html[data-theme="silver"] [data-sl-engine].sl-engine-ready>img{visibility:hidden;}
html[data-theme="silver"] .sl-engine-caption{position:absolute;z-index:2;top:16px;left:18px;display:flex;align-items:center;gap:7px;color:#485561;font:600 10px/1.5 Manrope,system-ui,sans-serif;letter-spacing:.11em;text-transform:uppercase;pointer-events:none;}
html[data-theme="silver"] .sl-engine-caption::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;}
html[data-theme="silver"] .sl-engine-start{position:absolute;z-index:3;left:50%;bottom:24px;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;gap:9px;min-height:44px;min-width:154px;border:1px solid rgba(255,255,255,.7);border-radius:30px;padding:10px 20px;color:#263540;background:rgba(255,255,255,.88);box-shadow:0 3px 18px rgba(32,43,54,.12);font:650 12px/1.5 Manrope,system-ui,sans-serif;white-space:nowrap;cursor:pointer;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:background .16s,box-shadow .16s;}
html[data-theme="silver"] .sl-engine-start:hover{background:#fff;box-shadow:0 6px 24px rgba(32,43,54,.18);}
html[data-theme="silver"] .sl-engine-start:active{transform:translateX(-50%) scale(.97);}
html[data-theme="silver"] .sl-engine-start:disabled{cursor:wait;opacity:.8;}
html[data-theme="silver"] .sl-engine-start[hidden],html[data-theme="silver"] .sl-engine-controls[hidden],html[data-theme="silver"] .sl-engine-toolbar[hidden],html[data-theme="silver"] .sl-engine-range[hidden]{display:none;}
html[data-theme="silver"] .sl-engine-start svg,html[data-theme="silver"] .sl-engine-button svg{width:17px;height:17px;flex:none;}
html[data-theme="silver"] .sl-engine-controls{padding:13px 0 0;font-family:Manrope,system-ui,sans-serif;}
html[data-theme="silver"] .sl-engine-toolbar{display:flex;align-items:center;gap:7px;flex-wrap:wrap;}
html[data-theme="silver"] .sl-engine-button{display:inline-flex;justify-content:center;align-items:center;gap:7px;min-height:44px;padding:8px 13px;border:1px solid #b9c1c8;border-radius:12px;background:rgba(255,255,255,.52);color:#31404c;font:600 11px/1.4 Manrope,system-ui,sans-serif;cursor:pointer;transition:background .16s,border-color .16s,transform .12s;}
html[data-theme="silver"] .sl-engine-button:hover{background:rgba(255,255,255,.88);border-color:#7e8c98;}
html[data-theme="silver"] .sl-engine-button:active{transform:scale(.97);}
html[data-theme="silver"] .sl-engine-button[aria-pressed="true"]{background:#31404c;border-color:#31404c;color:#fff;}
html[data-theme="silver"] .sl-engine-button--icon{width:44px;padding:9px;}
html[data-theme="silver"] .sl-engine-orbit{display:flex;gap:5px;margin-left:auto;}
html[data-theme="silver"] .sl-engine-start:focus-visible,html[data-theme="silver"] .sl-engine-button:focus-visible,html[data-theme="silver"] .sl-engine-range input:focus-visible{outline:2px solid #314d63;outline-offset:4px;}
html[data-theme="silver"] .sl-engine-range{display:grid;grid-template-columns:1fr auto;align-items:center;gap:0 14px;margin-top:14px;color:#4d5b67;font-size:10px;line-height:1.5;letter-spacing:.025em;}
html[data-theme="silver"] .sl-engine-range output{font-variant-numeric:tabular-nums;font-family:'JetBrains Mono',monospace;}
html[data-theme="silver"] .sl-engine-range input{grid-column:1/-1;width:100%;height:28px;margin:0;accent-color:#475f70;cursor:ew-resize;}
html[data-theme="silver"] .sl-engine-status{font:400 11px/1.6 Manrope,system-ui,sans-serif;color:#52616e;min-height:18px;margin:7px 0 0!important;}
html[data-theme="silver"] .sl-engine-status:empty{display:none;}
html[data-theme="silver"] .sl-engine-sr{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}
@media(max-width:560px){html[data-theme="silver"] .sl-engine-caption{top:12px;left:14px;font-size:9px;}html[data-theme="silver"] .sl-engine-toolbar{gap:5px;}html[data-theme="silver"] .sl-engine-button{padding-inline:10px;font-size:10px;}html[data-theme="silver"] .sl-engine-button--icon{padding:9px;width:44px;}html[data-theme="silver"] .sl-engine-controls{padding-top:11px;}html[data-theme="silver"] .sl-engine-range{margin-top:9px;}}
@media(prefers-reduced-motion:reduce){html[data-theme="silver"] [data-sl-engine]>.sl-engine-canvas,html[data-theme="silver"] .sl-engine-start,html[data-theme="silver"] .sl-engine-button{transition:none!important;}}