.sp-root{display:flex;width:100%;height:100vh;background:#0a0a0f;color:var(--text);font-family:system-ui,-apple-system,sans-serif}.sp-viewport{flex:1 1 70%;position:relative;min-width:0}.sp-viewport-hint{position:absolute;bottom:16px;left:50%;transform:translate(-50%);font-size:var(--text-xs);color:var(--text-faint);pointer-events:none;-webkit-user-select:none;user-select:none}.sp-panel{flex:0 0 340px;background:var(--surface);border-left:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column}.sp-panel-scroll{overflow-y:auto;padding:20px 16px;flex:1}.sp-title{font-size:var(--text-lg);font-weight:600;margin-bottom:4px;color:var(--text)}.sp-subtitle{font-size:var(--text-xs);color:var(--text-dim);line-height:1.4;margin-bottom:16px}.sp-section-label{font-size:var(--text-xs);font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);margin-top:16px;margin-bottom:8px}.sp-presets{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.sp-preset-btn{padding:5px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--lift);color:var(--text-dim);font-size:var(--text-xs);cursor:pointer;transition:background .15s,border-color .15s,color .15s}.sp-preset-btn:hover{background:var(--lift-hover);color:var(--text)}.sp-preset-active{background:var(--lift-active);border-color:var(--lift-active-border);color:var(--text)}.sp-slider-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}.sp-slider-label{flex:0 0 90px;font-size:var(--text-xs);color:var(--text-dim)}.sp-slider{flex:1;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--border-strong);border-radius:2px;outline:none}.sp-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:none}.sp-slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:none}.sp-slider-value{flex:0 0 60px;text-align:right;font-size:var(--text-xs);font-family:var(--font-mono);color:var(--text-dim)}.sp-readout{background:var(--surface-raised);border-radius:var(--radius-sm);padding:10px 12px;margin-bottom:8px}.sp-readout-row{display:flex;justify-content:space-between;align-items:center;padding:3px 0}.sp-readout-label{font-size:var(--text-xs)}.sp-readout-val{font-size:var(--text-xs);font-family:var(--font-mono);color:var(--text-dim)}.sp-readout-ratio{border-top:1px solid var(--border);margin-top:4px;padding-top:6px}.sp-readout-ratio .sp-readout-label{color:var(--text-dim)}.sp-explanation{font-size:var(--text-xs);line-height:1.5;color:var(--text-dim);margin-top:16px;padding:12px;background:var(--surface-raised);border-radius:var(--radius-sm);border-left:3px solid var(--border-strong)}.sp-explanation strong{color:var(--text)}.sp-sources{display:flex;flex-direction:column;gap:6px}.sp-sources a{font-size:var(--text-xs);color:var(--accent);text-decoration:none;padding:4px 0;transition:color .15s}.sp-sources a:hover{color:var(--accent);text-decoration:underline}.sp-back-link{margin-top:20px;padding-bottom:20px;text-align:center}.sp-back-link a{color:var(--accent);text-decoration:none;font-size:var(--text-sm)}.sp-back-link a:hover{text-decoration:underline}@media (max-width: 768px){.sp-root{flex-direction:column}.sp-viewport{flex:0 0 50vh}.sp-panel{flex:1 1 auto;border-left:none;border-top:1px solid var(--border)}}