:root{--text:#586270;--text-h:#1a2332;--bg:#fff;--bg-raised:#f0f4f8;--border:#d8e2ea;--accent:#1a6faf;--accent-bg:#1a6faf14;--accent-border:#1a6faf66;--error:#ef4444;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:14px/145% var(--sans);letter-spacing:.12px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}@media (prefers-color-scheme:dark){:root{--lightningcss-light: 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var(--border);flex-shrink:0}.footer-inner{grid-template-columns:2fr 1fr 1.5fr 2fr;gap:40px;max-width:1400px;margin:0 auto;padding:36px 20px 28px;display:grid}.footer-logo{gap:0;margin-bottom:8px;font-size:17px;font-weight:700;display:flex}.footer-desc{color:var(--text);margin:0;font-size:12px;line-height:1.6}.footer-heading{letter-spacing:1px;text-transform:uppercase;color:var(--text-h);margin:0 0 12px;font-size:10px;font-weight:700}.footer-links{flex-direction:column;gap:7px;margin:0;padding:0;list-style:none;display:flex}.footer-link{color:var(--text);cursor:pointer;text-align:left;font-size:12px;font-family:var(--sans);background:0 0;border:none;padding:0;text-decoration:none;transition:color .15s}.footer-link:hover{color:var(--accent)}.footer-disclaimer{color:var(--text);margin:0;font-size:11px;font-style:italic;line-height:1.7}.global-params-bar{background:var(--bg-raised);border:1px solid var(--border);border-radius:8px;flex-wrap:wrap;flex-shrink:0;align-items:center;gap:20px;padding:10px 16px;display:flex}.params-label{letter-spacing:.8px;text-transform:uppercase;color:var(--text);opacity:.7;margin-right:4px;font-size:11px;font-weight:600}.param-field{align-items:center;gap:8px;display:flex}.param-field>label{color:var(--text);white-space:nowrap;font-size:12px}.param-input-wrap{flex-direction:column;display:flex;position:relative}.param-input-wrap input{border:1px solid var(--border);width:76px;font-size:13px;font-family:var(--mono);background:var(--bg);color:var(--text-h);border-radius:5px;padding:5px 8px;transition:border-color .15s,box-shadow .15s}.param-input-wrap input:focus{border-color:var(--accent-border);box-shadow:0 0 0 3px var(--accent-bg);outline:none}.param-input-wrap input.error{border-color:var(--error)}.param-error{color:var(--error);white-space:nowrap;pointer-events:none;font-size:10px;position:absolute;top:calc(100% + 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var(--border);gap:12px;margin-top:10px;padding-top:8px;display:flex}.leg-price-item{flex-direction:column;flex:1;gap:2px;display:flex}.leg-price-label{letter-spacing:.5px;text-transform:uppercase;color:var(--text);opacity:.7;font-size:10px;font-weight:600}.leg-price-value{font-size:13px;font-family:var(--mono);color:var(--text-h)}.leg-price-value.pos{color:#22c55e}.leg-price-value.neg{color:var(--error)}.leg-price-value-row{align-items:center;gap:6px;display:flex}.use-theo-btn{letter-spacing:.3px;border:1px solid var(--accent-border);background:var(--accent-bg);color:var(--accent);cursor:pointer;border-radius:3px;padding:1px 6px;font-size:10px;font-weight:600;line-height:1.6}.use-theo-btn:hover{background:var(--accent);color:var(--bg)}.dte-hint{color:var(--text);opacity:.55;margin-top:1px;font-size:10px}.add-leg-btn{border:1px dashed var(--border);cursor:pointer;color:var(--accent);white-space:nowrap;background:0 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16px;display:flex}.summary-item{flex-direction:column;gap:2px;display:flex}.summary-label{letter-spacing:.4px;text-transform:uppercase;color:var(--text);opacity:.65;font-size:10px;font-weight:500}.summary-value{font-size:13px;font-family:var(--mono);color:var(--text-h)}.summary-value.pos{color:#22c55e}.summary-value.neg{color:var(--error)}.summary-subtitle{font-size:10px;font-family:var(--mono);color:var(--text);opacity:.6}.chart-wrapper{flex-direction:column;gap:0;display:flex}.chart-container{border:1px solid var(--border);background:var(--bg);border-radius:8px 8px 0 0;height:420px;overflow:hidden}.vol-bump-control{background:var(--bg-raised);border:1px solid var(--border);border-top:none;border-radius:0 0 8px 8px;align-items:center;gap:10px;padding:8px 14px;display:flex}.vol-bump-label{letter-spacing:.4px;text-transform:uppercase;color:var(--text);opacity:.65;white-space:nowrap;font-size:11px;font-weight:500}.vol-bump-value{font-size:12px;font-family:var(--mono);color:var(--text-h);text-align:right;min-width:3ch}.vol-bump-slider{max-width:200px;accent-color:var(--accent);cursor:pointer;flex:1}.vol-bump-reset{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:4px;padding:2px 8px;font-size:11px}.vol-bump-reset:disabled{opacity:.3;cursor:default}.vol-bump-reset:not(:disabled):hover{background:var(--accent-bg);border-color:var(--accent-border);color:var(--accent)}@media (width<=640px){.strategy-builder{flex-direction:column}.leg-card{width:100%}.global-params-bar{gap:12px}}