:root{color-scheme:light;--page: #f9f9f7;--surface-1: #fcfcfb;--text-primary: #0b0b0b;--text-secondary: #52514e;--text-muted: #898781;--grid: #e1e0d9;--baseline: #c3c2b7;--border: rgba(11, 11, 11, .1);--series-1: #2a78d6;--series-2: #1baf7a;--good: #0ca30c;--good-text: #006300;--warning: #fab219;--serious: #ec835a;--critical: #d03b3b;--accent: #2a78d6;--accent-ink: #ffffff;--wash-opacity: .1}@media (prefers-color-scheme: dark){:root:where(:not([data-theme=light])){color-scheme:dark;--page: #0d0d0d;--surface-1: #1a1a19;--text-primary: #ffffff;--text-secondary: #c3c2b7;--text-muted: #898781;--grid: #2c2c2a;--baseline: #383835;--border: rgba(255, 255, 255, .1);--series-1: #3987e5;--series-2: #199e70;--good-text: #0ca30c;--accent: #3987e5}}:root[data-theme=dark]{color-scheme:dark;--page: #0d0d0d;--surface-1: #1a1a19;--text-primary: #ffffff;--text-secondary: #c3c2b7;--text-muted: #898781;--grid: #2c2c2a;--baseline: #383835;--border: rgba(255, 255, 255, .1);--series-1: #3987e5;--series-2: #199e70;--good-text: #0ca30c;--accent: #3987e5}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--page);color:var(--text-primary);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}.app{max-width:1200px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.app-header{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;padding:4px 2px 14px}.app-header h1{font-size:20px;font-weight:700;margin:0;letter-spacing:-.01em}.app-header h1 .pop{color:var(--accent)}.tagline{color:var(--text-secondary);font-size:13px;flex:1}.theme-toggle{border:1px solid var(--border);background:var(--surface-1);color:var(--text-secondary);border-radius:8px;padding:6px 10px;font:inherit;font-size:13px;cursor:pointer}.theme-toggle:hover{color:var(--text-primary)}.upgrade-btn{border:1px solid var(--accent);background:transparent;color:var(--accent);border-radius:8px;padding:6px 12px;font:inherit;font-size:13px;font-weight:600;cursor:pointer}.upgrade-btn:hover{background:color-mix(in srgb,var(--accent) 12%,transparent)}.pro-badge{border:1px solid var(--good);color:var(--good-text);background:transparent;border-radius:999px;padding:4px 10px;font:inherit;font-size:12px;font-weight:600;cursor:pointer}.pro-badge:hover{background:color-mix(in srgb,var(--good) 12%,transparent)}.ad-slot{position:relative;display:flex;align-items:center;gap:12px;background:repeating-linear-gradient(-45deg,color-mix(in srgb,var(--grid) 40%,transparent),color-mix(in srgb,var(--grid) 40%,transparent) 10px,transparent 10px,transparent 20px);border:1px dashed var(--baseline);border-radius:12px;padding:12px 14px;min-height:72px}.ad-slot.ad-rectangle{min-height:200px;flex-direction:column;justify-content:center;text-align:center}.ad-badge{font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);border:1px solid var(--border);border-radius:4px;padding:2px 5px;background:var(--surface-1)}.ad-body{flex:1;color:var(--text-muted);font-size:13px}.ad-remove{border:0;background:transparent;color:var(--accent);font:inherit;font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap}.ad-remove:hover{text-decoration:underline}.modal-backdrop{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal{position:relative;background:var(--surface-1);border:1px solid var(--border);border-radius:16px;padding:24px;width:100%;max-width:380px;box-shadow:0 12px 40px #00000047}.modal-close{position:absolute;top:12px;right:12px;border:0;background:transparent;color:var(--text-muted);font-size:15px;cursor:pointer;line-height:1}.modal h2{margin:0 0 6px;font-size:19px}.modal-sub{margin:0 0 14px;color:var(--text-secondary);font-size:13.5px}.benefits{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:8px}.benefits li{display:flex;gap:8px;align-items:center;font-size:14px}.benefits li span{color:var(--good);font-weight:700}.btn-primary{width:100%;border:0;background:var(--accent);color:var(--accent-ink);font:inherit;font-size:15px;font-weight:600;border-radius:10px;padding:12px;cursor:pointer}.btn-primary:disabled{opacity:.6;cursor:default}.btn-link{width:100%;border:0;background:transparent;color:var(--text-secondary);font:inherit;font-size:13px;padding:10px;margin-top:4px;cursor:pointer}.btn-link:hover{color:var(--text-primary)}.modal-fineprint{margin:12px 0 0;font-size:11px;color:var(--text-muted);line-height:1.5}.layout{display:grid;grid-template-columns:300px 1fr;gap:16px;align-items:start}@media (max-width: 860px){.layout{grid-template-columns:1fr}}.card{background:var(--surface-1);border:1px solid var(--border);border-radius:12px;padding:16px}.card h2{font-size:13px;font-weight:600;color:var(--text-secondary);margin:0 0 10px;text-transform:none}.content{display:grid;gap:16px;min-width:0}.inputs{display:grid;gap:12px}.sidebar{display:grid;gap:16px;align-content:start;min-width:0}.live-status{margin:0 0 10px;font-size:13px;color:var(--text-secondary)}.live-row{display:flex;gap:10px;align-items:end}.live-row input[type=text]{font:inherit;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text-primary);width:100%;text-transform:uppercase}.live-row input[type=text]:focus{outline:2px solid var(--accent);outline-offset:-1px}.connect-btn{font:inherit;font-weight:600;padding:8px 16px;border-radius:8px;border:0;background:var(--accent);color:var(--accent-ink);cursor:pointer;flex:none}.connect-btn:disabled{opacity:.5;cursor:default}.check-row{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--text-secondary);cursor:pointer}.field input[type=password]{font:inherit;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text-primary);width:100%}.field input[type=password]:focus{outline:2px solid var(--accent);outline-offset:-1px}.seg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border);border-radius:8px;overflow:hidden}.seg button{font:inherit;padding:8px 0;border:0;background:transparent;color:var(--text-secondary);cursor:pointer}.seg button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);font-weight:600}.field{display:grid;gap:4px}.field label{font-size:12px;color:var(--text-secondary)}.field input[type=number]{font:inherit;font-variant-numeric:tabular-nums;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text-primary);width:100%}.field input[type=number]:focus{outline:2px solid var(--accent);outline-offset:-1px}.field input:disabled{color:var(--text-muted);background:color-mix(in srgb,var(--grid) 35%,transparent)}.field .derived{font-size:12px;color:var(--text-muted)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.template-select{font:inherit;width:100%;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:var(--surface-1);color:var(--text-primary)}.leg-card{border:1px solid var(--border);border-radius:10px;padding:10px;display:grid;gap:10px}.leg-head{display:flex;align-items:center;gap:8px}.leg-title{font-size:12px;font-weight:600;color:var(--text-secondary);min-width:38px}.seg.seg-sm{flex:1}.seg.seg-sm button{padding:5px 0;font-size:12.5px}.leg-remove{border:1px solid var(--border);background:transparent;color:var(--text-muted);border-radius:7px;width:26px;height:26px;line-height:1;cursor:pointer;flex:none}.leg-remove:hover{color:var(--critical)}.leg-foot{display:grid;grid-template-columns:1fr 80px;gap:12px;align-items:end}.link-btn{border:0;background:transparent;color:var(--accent);font:inherit;font-size:12px;cursor:pointer;text-align:left;padding:0 0 9px}.add-leg{border:1px dashed var(--baseline);background:transparent;color:var(--text-secondary);font:inherit;font-size:13px;border-radius:10px;padding:9px 0;cursor:pointer}.add-leg:hover{color:var(--text-primary);border-color:var(--text-muted)}.inputs>.derived,.field .derived,.leg-foot .derived{font-size:12px;color:var(--text-muted)}.leg-foot .derived{padding-bottom:9px}.solve-row{display:flex;gap:14px;align-items:center;font-size:12px;color:var(--text-secondary);flex-wrap:wrap}.solve-row label{display:inline-flex;gap:5px;align-items:center;cursor:pointer}.input-error{font-size:12px;color:var(--critical)}details.advanced summary{cursor:pointer;font-size:12px;color:var(--text-secondary)}details.advanced .grid-2{margin-top:10px}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}.tile{background:var(--surface-1);border:1px solid var(--border);border-radius:12px;padding:12px 14px;min-width:0}.tile .label{font-size:12px;color:var(--text-secondary)}.tile .value{font-size:24px;font-weight:600;margin-top:2px;letter-spacing:-.01em}.tile .sub{font-size:11.5px;color:var(--text-muted);margin-top:2px}.tile.hero .value{font-size:32px}.tile .value.pos{color:var(--good-text)}.tile .value.neg{color:var(--critical)}.chart-card{min-width:0}.chart-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}.chart-head h2{margin:0;flex:1}.legend{display:flex;gap:14px;font-size:12px;color:var(--text-secondary)}.legend .key{display:inline-flex;align-items:center;gap:6px}.legend .swatch-line{width:16px;height:0;border-top:2.5px solid currentColor;border-radius:2px}.view-toggle{border:1px solid var(--border);background:transparent;color:var(--text-secondary);font:inherit;font-size:12px;border-radius:7px;padding:4px 9px;cursor:pointer}.view-toggle:hover{color:var(--text-primary)}.chart-wrap{position:relative}.chart-wrap svg{display:block;width:100%;height:auto}.chart-note{font-size:11.5px;color:var(--text-muted);margin-top:6px}.tooltip{position:absolute;pointer-events:none;background:var(--surface-1);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 14px #0000001f;padding:8px 10px;font-size:12px;min-width:150px;z-index:4}.tooltip .tt-title{color:var(--text-secondary);margin-bottom:4px}.tooltip .tt-row{display:flex;align-items:center;gap:7px;margin-top:2px}.tooltip .tt-key{width:12px;height:0;border-top:2.5px solid;border-radius:2px;flex:none}.tooltip .tt-val{font-weight:600;font-variant-numeric:tabular-nums}.tooltip .tt-label{color:var(--text-secondary)}.data-table{width:100%;border-collapse:collapse;font-size:12.5px}.data-table th{text-align:right;color:var(--text-secondary);font-weight:600;padding:6px 8px;border-bottom:1px solid var(--grid)}.data-table th:first-child,.data-table td:first-child{text-align:left}.data-table td{text-align:right;padding:5px 8px;border-bottom:1px solid var(--grid);font-variant-numeric:tabular-nums;color:var(--text-primary)}.table-scroll{overflow-x:auto}.greeks-table td:first-child{color:var(--text-secondary)}.recs{display:grid;gap:10px}.rec{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;padding:10px 12px;border:1px solid var(--border);border-radius:10px}.rec .badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;border-radius:999px;padding:3px 9px;margin-top:1px;white-space:nowrap}.rec .badge.warning{background:color-mix(in srgb,var(--serious) 18%,transparent);color:var(--text-primary)}.rec .badge.suggestion{background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--text-primary)}.rec .badge.info{background:color-mix(in srgb,var(--grid) 60%,transparent);color:var(--text-secondary)}.rec h3{margin:0 0 3px;font-size:13px;font-weight:600}.rec p{margin:0;font-size:12.5px;color:var(--text-secondary)}.disclaimer{font-size:11.5px;color:var(--text-muted);padding:0 2px}.axis-text{font-size:11px;fill:var(--text-muted);font-variant-numeric:tabular-nums}.marker-text{font-size:11px;fill:var(--text-secondary)}.series-label{font-size:11.5px;font-weight:600;fill:var(--text-secondary)}