:root{--nav-height: 64px;--tool-gap: 20px}.tool-layout{display:grid;grid-template-columns:340px 1fr;gap:var(--tool-gap);padding:var(--tool-gap);flex:1;align-items:start;min-height:0}@media(max-width:860px){.tool-layout{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}.controls{display:flex;flex-direction:column;gap:18px;align-self:start}.field{display:flex;flex-direction:column;gap:8px}.field-row{display:flex;justify-content:space-between;align-items:baseline}.field-label{font-size:14px;font-weight:500}.field-value{font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600}input[type=range]{width:100%;accent-color:var(--accent)}.primary-input{width:100%;padding:14px 16px;border-radius:10px;border:1px solid var(--border);background:#fafbff;color:var(--text);font-size:20px;font-weight:600}.primary-input:focus{outline:none;border-color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s ease,border-color .15s ease}.btn:hover:not(:disabled){border-color:var(--accent)}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.primary:hover:not(:disabled){background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.generate{display:flex;flex-direction:column;gap:8px}.hint{font-size:13px;color:var(--muted)}.error{padding:10px 12px;border-radius:8px;background:#fef2f2;color:var(--danger);font-size:13px;border:1px solid #fecaca}.stage{display:flex;flex-direction:column;gap:16px;position:sticky;top:calc(var(--nav-height) + var(--tool-gap));align-self:start;max-height:calc(100dvh - var(--nav-height) - var(--tool-gap) * 2);overflow-y:auto;min-width:0;min-height:0}@media(max-width:860px){.stage{position:static;max-height:none;overflow-y:visible}}.viewer-wrap{position:relative;aspect-ratio:1 / 1;width:min(100%,max(280px,calc(100dvh - 260px)));align-self:center;flex:none;border-radius:12px;overflow:hidden;background:#0f1420}@media(max-width:860px){.viewer-wrap{width:100%}}.viewer{width:100%;height:100%}.viewer canvas{display:block;width:100%;height:100%}.viewer-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#94a3b8;font-size:15px;pointer-events:none}.stale-badge{position:absolute;top:12px;left:12px;padding:6px 10px;border-radius:8px;background:#2563ebe6;color:#fff;font-size:12px;font-weight:600}.results{display:flex;flex-direction:column;gap:16px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.stat{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#fafbff}.stat-k{font-size:12px;color:var(--muted)}.stat-v{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}.downloads{display:flex;gap:12px}.downloads .btn{flex:1}@media(max-width:860px){.tool-layout{grid-template-columns:minmax(0,1fr)}}@media(max-width:480px){.tool-layout{--tool-gap: 12px}.panel{padding:16px}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.downloads{flex-direction:column}}.generate-in-controls{display:none}@media(max-width:860px){.generate-in-controls{display:flex}.generate-in-stage{display:none}}.option-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:6px}.option-chip{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 10px;border-radius:9px;border:1px solid var(--border);background:#fafbff;color:var(--text);font-size:13px;font-weight:500;font-family:inherit;line-height:1.25;cursor:pointer;transition:border-color .15s,background .15s,color .15s}.option-chip:hover{border-color:var(--accent)}.option-chip.selected{border-color:var(--accent);background:var(--accent);color:#fff}.option-chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.wave-chip{flex-direction:column;padding:10px 8px}.wave-chip svg polyline{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}.hz-row{display:flex;align-items:flex-end;gap:8px}.hz-field{flex:1;min-width:0}.hz-input{display:flex;align-items:center;gap:4px;padding:0 10px;border:1px solid var(--border);border-radius:10px;background:#fafbff}.hz-input:focus-within{border-color:var(--accent)}.hz-input input{flex:1;width:0;min-width:0;padding:10px 0;border:none;background:transparent;color:var(--text);font-size:18px;font-weight:600;font-family:inherit;font-variant-numeric:tabular-nums}.hz-input input:focus{outline:none}.hz-input input{appearance:textfield;-moz-appearance:textfield}.hz-input input::-webkit-inner-spin-button,.hz-input input::-webkit-outer-spin-button{-webkit-appearance:none}.hz-unit{font-size:13px;color:var(--muted)}.swap-btn{padding:12px}.preset-row{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}.generate-btn{position:relative;overflow:hidden;padding:14px 16px;font-size:15px}.generate-progress{position:absolute;inset:0 auto 0 0;background:#ffffff40;transition:width .1s linear}.generate-label{position:relative;display:inline-flex;align-items:center;gap:8px}.sweep-chart{display:flex;flex-direction:column;gap:8px}.sweep-readout{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.sweep-readout-hz{font-size:32px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text)}.sweep-readout-t{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}.sweep-plot{position:relative;width:100%;min-width:0}.sweep-plot svg{display:block}.sweep-plot .grid{stroke:var(--border);stroke-width:1}.sweep-plot .tick{fill:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}.sweep-plot .curve{fill:none;stroke:var(--accent);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.sweep-plot .curve.rest{stroke:#cbd5e1}.sweep-plot .playhead{stroke:var(--text);stroke-width:1.5}.sweep-plot .crosshair{stroke:var(--muted);stroke-width:1;stroke-dasharray:3 3}.sweep-plot .hover-dot{fill:var(--accent);stroke:var(--panel);stroke-width:2}.sweep-plot .hit{fill:transparent}.sweep-plot .hit.seekable{cursor:pointer}