:root{color-scheme:light;--surface-0: oklch(97.5% .006 70);--surface-1: oklch(94% .008 70);--surface-2: oklch(89% .01 70);--surface-3: oklch(83% .012 70);--surface-panel: oklch(99.3% .003 70);--surface-table: oklch(99.2% .004 70);--surface-inset: oklch(98.3% .005 70);--surface-hover: oklch(96.5% .006 70);--glow-warm: oklch(91% .014 75 / .55);--border-faint: oklch(92% .008 70);--border-subtle: oklch(84% .01 70);--border-default: oklch(74% .014 70);--text-primary: oklch(18% .012 55);--text-secondary: oklch(38% .01 55);--text-muted: oklch(55% .008 55);--accent: oklch(45% .095 205);--accent-dim: oklch(37% .08 205);--accent-hover: oklch(50% .105 205);--accent-on: oklch(99% .003 70);--danger: oklch(50% .18 25);--focus-ring: oklch(48% .13 255);--focus-glow: oklch(60% .115 215 / .18);--slab-selected-stroke: oklch(38% .13 255);--slab-focus-stroke: oklch(45% .14 255);--selection-bg: oklch(94% .018 220 / .55);--code-bg: oklch(91% .007 70);--viz-user: oklch(61% .12 82);--viz-system: oklch(56% .105 215);--viz-tools: oklch(57% .1 155);--viz-exec-actions: oklch(45% .135 175);--viz-text-output: oklch(54% .13 320);--viz-h1-default: oklch(56% .03 250);--viz-added: oklch(52% .11 150);--viz-removed: oklch(50% .115 25);--viz-changed: oklch(55% .12 76);--viz-total: oklch(32% .02 60);--diff-add-bg: oklch(91% .045 145);--diff-add-text: oklch(32% .09 150);--diff-add-line: oklch(58% .135 145);--diff-removed-bg: oklch(91% .04 25);--diff-removed-text: oklch(34% .1 25);--diff-changed-bg: oklch(91% .055 75);--diff-changed-text: oklch(35% .085 70);--diff-changed-line: oklch(62% .14 76);--log-initial: oklch(54% .115 220);--tok-key: oklch(45% .13 255);--tok-string: oklch(40% .1 145);--tok-number: oklch(50% .14 60);--tok-bool: oklch(48% .16 305);--callout-amber: oklch(38% .085 70);--callout-blue: oklch(38% .09 240);--callout-teal: oklch(38% .075 185);--callout-violet: oklch(36% .095 300);--callout-green: oklch(40% .085 150);--callout-slate: oklch(40% .025 250);--shadow-color: oklch(45% .018 60 / .12);--shadow-panel: 0 18px 50px var(--shadow-color);--shadow-tooltip: 0 8px 24px var(--shadow-color);--hairline-hi: oklch(60% .01 60 / .04);--guide-line: oklch(50% .014 60 / .28);--rail-height: 49px;--ease-out: cubic-bezier(.16, 1, .3, 1)}:root[data-theme=dark]{color-scheme:dark;--surface-0: oklch(20% .006 70);--surface-1: oklch(24.5% .007 70);--surface-2: oklch(29% .008 70);--surface-3: oklch(35% .01 70);--surface-panel: oklch(25% .007 70);--surface-table: oklch(22.5% .006 70);--surface-inset: oklch(17.5% .006 70);--surface-hover: oklch(28% .009 70);--glow-warm: oklch(58% .04 75 / .16);--border-faint: oklch(30% .008 70);--border-subtle: oklch(35% .009 70);--border-default: oklch(45% .011 70);--text-primary: oklch(92% .006 70);--text-secondary: oklch(75% .008 70);--text-muted: oklch(60% .008 70);--accent: oklch(72% .1 205);--accent-dim: oklch(60% .09 205);--accent-hover: oklch(79% .105 205);--accent-on: oklch(20% .012 240);--danger: oklch(70% .16 25);--focus-ring: oklch(74% .12 245);--focus-glow: oklch(70% .12 215 / .32);--slab-selected-stroke: oklch(82% .1 245);--slab-focus-stroke: oklch(74% .13 245);--selection-bg: oklch(46% .05 240 / .45);--code-bg: oklch(26% .008 70);--viz-user: oklch(73% .115 82);--viz-system: oklch(70% .105 215);--viz-tools: oklch(70% .1 155);--viz-exec-actions: oklch(66% .12 175);--viz-text-output: oklch(70% .125 320);--viz-h1-default: oklch(68% .035 250);--viz-added: oklch(68% .12 150);--viz-removed: oklch(68% .13 25);--viz-changed: oklch(74% .13 76);--viz-total: oklch(80% .02 70);--diff-add-bg: oklch(33% .06 150);--diff-add-text: oklch(88% .085 150);--diff-add-line: oklch(64% .13 145);--diff-removed-bg: oklch(33% .06 25);--diff-removed-text: oklch(87% .09 25);--diff-changed-bg: oklch(35% .06 75);--diff-changed-text: oklch(89% .09 76);--diff-changed-line: oklch(72% .14 76);--log-initial: oklch(70% .11 220);--tok-key: oklch(75% .12 245);--tok-string: oklch(76% .11 145);--tok-number: oklch(80% .12 70);--tok-bool: oklch(77% .13 320);--callout-amber: oklch(82% .1 82);--callout-blue: oklch(80% .09 215);--callout-teal: oklch(80% .09 180);--callout-violet: oklch(82% .1 320);--callout-green: oklch(82% .1 150);--callout-slate: oklch(82% .02 250);--shadow-color: oklch(12% .01 60 / .55);--shadow-panel: 0 18px 50px var(--shadow-color);--shadow-tooltip: 0 10px 28px var(--shadow-color);--hairline-hi: oklch(100% 0 0 / .03);--guide-line: oklch(80% .012 70 / .22)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}*,*:before,*:after{box-sizing:border-box}body{background:var(--surface-0);color:var(--text-primary);font-family:system-ui,-apple-system,sans-serif;margin:0;min-height:100vh;font-kerning:normal;scroll-behavior:smooth}h2,h3{margin:0 0 12px;font-weight:600}h2{font-size:18px;color:var(--text-primary)}h3{font-size:14px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}code{font-family:Fira Code,Cascadia Code,monospace;font-size:11px;background:var(--code-bg);border:1px solid var(--border-default);padding:1px 4px;border-radius:3px;color:var(--text-primary)}p.error{color:var(--danger)}p.loading{color:var(--text-muted);font-style:italic}.app-fatal,.section-error{min-height:420px;display:grid;place-content:center;justify-items:center;gap:12px;padding:32px;text-align:center;color:var(--text-secondary);background:linear-gradient(180deg,var(--surface-table),var(--surface-hover))}.app-fatal h1,.section-error h2{margin:0;max-width:42ch;color:var(--text-primary);font-size:18px;line-height:1.25}.app-fatal p,.section-error p{max-width:64ch;margin:0;font-size:13px;line-height:1.55;overflow-wrap:anywhere}.app-fatal button,.section-error button{border:1px solid var(--border-default);border-radius:8px;padding:8px 14px;color:var(--text-primary);background:var(--surface-0);font:inherit;cursor:pointer}.app-fatal button:hover,.section-error button:hover{background:var(--surface-1)}.top-rail{height:var(--rail-height);background:color-mix(in oklch,var(--surface-0) 92%,transparent);border-bottom:1px solid var(--border-subtle);padding:0 18px;display:flex;gap:18px;align-items:center;position:sticky;top:0;z-index:1000;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.rail-brand{min-width:232px;display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:var(--text-primary);text-decoration:none;white-space:nowrap}.brand-mark{width:15px;height:15px;border:1px solid var(--accent);border-radius:3px;box-shadow:4px 4px color-mix(in oklch,var(--viz-tools) 42%,transparent),8px 8px color-mix(in oklch,var(--viz-user) 34%,transparent)}.rail-nav{display:flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--border-subtle);background:var(--surface-1);border-radius:8px}.rail-link{min-width:84px;display:inline-flex;justify-content:center;padding:6px 12px;color:var(--text-muted);text-decoration:none;font-size:13px;border-radius:6px;transition:color .15s,background .15s;-webkit-user-select:none;user-select:none}.rail-link:hover{color:var(--text-secondary)}.rail-brand:focus-visible,.rail-link:focus-visible,.theme-toggle:focus-visible,.app-fatal button:focus-visible,.section-error button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.rail-link.active{color:var(--text-primary);background:var(--surface-0);box-shadow:var(--hairline-hi)}.rail-meta{margin-left:auto;display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap}.rail-divider{color:var(--border-default);-webkit-user-select:none;user-select:none}.rail-credit{color:var(--text-muted);text-decoration:none;border-bottom:1px dotted var(--border-default);transition:color .12s,border-color .12s}.rail-credit:hover{color:var(--text-primary);border-bottom-color:var(--text-secondary)}.rail-credit:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}.rail-credit-gh{display:inline-flex;align-items:center;gap:5px;border-bottom:0}.rail-credit-gh svg{flex:none}.rail-credit-gh span{border-bottom:1px dotted var(--border-default);transition:border-color .12s}.rail-credit-gh:hover span{border-bottom-color:var(--text-secondary)}.theme-toggle{flex:none;display:inline-grid;place-items:center;width:30px;height:30px;padding:0;border:1px solid var(--border-subtle);border-radius:7px;background:var(--surface-1);color:var(--text-secondary);cursor:pointer;transition:color .14s,background .14s,border-color .14s}.theme-toggle:hover{color:var(--text-primary);border-color:var(--border-default);background:var(--surface-2)}.theme-toggle svg{width:16px;height:16px;display:block}.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon{display:block}:root[data-theme=dark] .theme-toggle .icon-sun{display:block}:root[data-theme=dark] .theme-toggle .icon-moon{display:none}.scroll-page{display:grid;gap:88px;padding:18px clamp(14px,2vw,28px) 80px}.work-section{scroll-margin-top:calc(var(--rail-height) + 16px);min-width:0}.section-chrome{display:flex;justify-content:space-between;align-items:end;gap:24px;padding:8px 2px 14px}.section-kicker{margin-bottom:4px;color:var(--text-muted);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.section-chrome h1{margin:0;max-width:620px;color:var(--text-primary);font-size:19px;line-height:1.2;font-weight:650}.section-meta{color:var(--text-muted);font-size:13px;line-height:1.4;text-align:right}.section-surface{position:relative;min-height:520px;border-top:1px solid var(--border-subtle)}.work-section-structure .section-surface{min-height:calc(100vh - var(--rail-height) - 84px)}main{padding:0;max-width:none;margin:0 auto}.view-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}.picker-wrap{display:flex;align-items:center;gap:8px}.version-select{background:var(--surface-0);color:var(--text-primary);border:1px solid var(--border-default);border-radius:6px;padding:6px 28px 6px 10px;font-size:13px;cursor:pointer;outline:none;transition:border-color .15s;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center}.version-select:hover{border-color:var(--accent)}.version-select:focus{border-color:var(--accent)}.version-select option{background:var(--surface-0)}:root[data-theme=dark] .version-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a9a39c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E")}.chips-row{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}.chip{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;margin:2px}.chip-added{background:var(--diff-add-bg);color:var(--diff-add-text)}.chip-removed{background:var(--diff-removed-bg);color:var(--diff-removed-text)}.chip-changed{background:var(--diff-changed-bg);color:var(--diff-changed-text)}.chip-neutral{background:var(--surface-2);color:var(--text-muted)}.tooltip{position:fixed;background:var(--surface-panel);border:1px solid var(--border-default);padding:8px 12px;border-radius:6px;font-size:13px;pointer-events:none;opacity:0;transition:opacity .1s;z-index:9999;line-height:1.5;max-width:240px;color:var(--text-primary);box-shadow:var(--shadow-tooltip)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--surface-1)}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media (max-width: 900px){.top-rail{height:auto;min-height:var(--rail-height);align-items:stretch;flex-wrap:wrap;gap:8px 12px;padding:8px 12px}.rail-brand{min-width:auto}.rail-nav{order:3;width:100%}.rail-link{flex:1;min-width:0}.rail-meta{margin-left:0}.scroll-page{gap:56px;padding-inline:12px}.section-chrome{align-items:start;flex-direction:column;gap:8px}.section-meta{text-align:left}}@media (max-width: 620px){.rail-meta{display:none}.section-chrome h1{font-size:17px}.work-section-structure .section-surface{min-height:620px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.structure-workbench{min-height:calc(100vh - var(--rail-height) - 84px);display:grid;grid-template-columns:156px 540px minmax(440px,1fr);gap:28px;padding:30px 26px 36px;max-width:1640px;margin:0 auto;background:radial-gradient(ellipse at 36% 44%,var(--glow-warm),transparent 34%),linear-gradient(180deg,var(--surface-table),var(--surface-0))}.structure-live{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.structure-index{display:grid;grid-template-columns:28px 1fr;align-content:start;gap:0 12px;padding-top:6px}.section-number{width:24px;height:24px;border:1px solid var(--border-subtle);border-radius:50%;display:grid;place-items:center;color:var(--text-primary);font-size:12px;font-weight:650;background:var(--surface-panel)}.structure-index h2{margin:0 0 3px;color:var(--text-primary);font-size:clamp(18px,calc(15px + .25vw),22px);line-height:1.15;display:flex;align-items:center;gap:8px}.cache-info{position:relative;display:inline-flex}.cache-info-trigger{width:18px;height:18px;padding:0;border:1px solid var(--border-default);border-radius:50%;color:var(--text-muted);background:var(--surface-panel);font:600 11px/1 ui-serif,Georgia,serif;font-style:italic;cursor:pointer}.cache-info-trigger:hover,.cache-info.open .cache-info-trigger{color:var(--text-primary);border-color:var(--text-secondary)}.cache-info-trigger:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.cache-info-popover{position:absolute;top:calc(100% + 8px);left:-8px;z-index:5;width:280px;padding:12px 14px;border:1px solid var(--border-subtle);border-radius:10px;background:var(--surface-panel);box-shadow:0 14px 36px var(--shadow-color);color:var(--text-primary);font-size:12px;font-weight:500;line-height:1.5;white-space:normal;visibility:hidden;opacity:0;transform:translateY(-2px);transition:opacity .12s ease,transform .12s ease,visibility 0s linear .12s}.cache-info.open .cache-info-popover{visibility:visible;opacity:1;transform:translateY(0);transition:opacity .12s ease,transform .12s ease}.cache-info-popover code{padding:1px 4px;border-radius:4px;background:var(--code-bg);font-size:11px}.cache-info-popover a{display:inline-block;margin-top:8px;color:var(--slab-focus-stroke);text-decoration:none;font-weight:600}.cache-info-popover a:hover,.cache-info-popover a:focus-visible{text-decoration:underline}.structure-index p{margin:0;color:var(--text-secondary);font-size:clamp(11px,calc(10px + .08vw),13px);line-height:1.3}.structure-version-pick{grid-column:2;margin-top:18px;display:flex;align-items:center;gap:10px}.structure-version-pick label{color:var(--text-muted);font-size:clamp(11px,calc(10px + .08vw),13px)}.structure-version-pick .version-select{min-width:116px;background:var(--surface-panel)}.metric-list{grid-column:2;margin:22px 0 0}.metric-list div{margin-bottom:24px}.metric-list dt{color:var(--text-muted);font-size:clamp(11px,calc(10px + .08vw),13px);line-height:1.2}.metric-list dd{margin:7px 0 0;color:var(--text-primary);font-size:clamp(16px,calc(13px + .22vw),21px);line-height:1.16;font-weight:650}.metric-list dd span{display:block;margin-top:2px;color:var(--text-secondary);font-size:clamp(11px,calc(10px + .08vw),13px);font-weight:500}.structure-visual{position:relative;min-width:0;display:grid;align-content:start;padding-top:104px}.structure-version-pick .version-select:focus-visible,.panel-close:focus-visible,.panel-tab:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.structure-stack-svg{width:100%;aspect-ratio:660 / 950;max-height:calc(100vh - 132px);display:block}.svg-slab{cursor:pointer;outline:none}.svg-slab .slab-front{transition:filter .14s ease,stroke-width .14s ease}.svg-slab:hover .slab-front,.svg-slab:focus-visible .slab-front,.svg-slab.selected .slab-front{filter:brightness(1.045) saturate(1.05);stroke-width:1.5}.svg-slab.selected .slab-front{stroke:var(--slab-selected-stroke)}.svg-slab:focus-visible .slab-front{stroke:var(--slab-focus-stroke)}.slab-label,.slab-icon{font-size:16px;font-weight:700;font-family:system-ui,-apple-system,sans-serif;paint-order:stroke;stroke:#ffffff2e;stroke-width:.7px;pointer-events:none}.slab-icon{font-size:19px;stroke-width:0}.group-callout{pointer-events:none}.callout-title{font-size:19px;font-weight:750;font-family:system-ui,-apple-system,sans-serif;fill:var(--callout-slate)}.group-callout.amber .callout-title{fill:var(--callout-amber)}.group-callout.blue .callout-title{fill:var(--callout-blue)}.group-callout.teal .callout-title{fill:var(--callout-teal)}.group-callout.violet .callout-title{fill:var(--callout-violet)}.group-callout.green .callout-title{fill:var(--callout-green)}.group-callout.slate .callout-title{fill:var(--callout-slate)}.callout-meta{font-size:15px;font-weight:520;font-family:system-ui,-apple-system,sans-serif;fill:var(--text-secondary)}.structure-panel{align-self:stretch;min-height:0;max-height:calc(100vh - var(--rail-height) - 132px);margin-top:0;border:1px solid var(--border-subtle);border-radius:14px;background:var(--surface-panel);box-shadow:0 18px 50px var(--shadow-color);overflow:hidden;display:grid;grid-template-rows:auto auto 1fr}.structure-panel-head{display:flex;justify-content:space-between;align-items:start;gap:16px;padding:20px 20px 12px}.structure-breadcrumb{min-width:0;color:var(--text-primary);font-size:12px;font-weight:650;overflow-wrap:anywhere}.structure-breadcrumb span{color:var(--text-muted);padding:0 8px}.panel-close{width:28px;height:28px;border:0;border-radius:6px;color:var(--text-muted);background:transparent;font-size:20px;line-height:1;cursor:pointer}.panel-close:hover{color:var(--text-primary);background:var(--border-faint)}.panel-tabs{display:flex;gap:20px;padding:0 20px;border-bottom:1px solid var(--border-subtle)}.panel-tab{border:0;border-bottom:2px solid transparent;padding:12px 0 10px;color:var(--text-secondary);background:transparent;font-size:12px;font-weight:620;cursor:pointer}.panel-tab.active{color:var(--text-primary);border-bottom-color:var(--text-primary)}.panel-body{min-height:0;overflow:auto;padding:18px 20px 22px}.panel-pane.hidden{display:none}.panel-pane h3{margin:0 0 14px;color:var(--text-primary);font-size:clamp(15px,calc(13px + .18vw),18px)}.rendered-md,.panel-pane pre{max-width:720px}.rendered-md{border:1px solid var(--border-subtle);border-radius:8px;padding:16px;background:var(--surface-panel);color:var(--text-primary);font-size:clamp(13px,calc(12px + 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tbody{display:block}.evo-table colgroup{display:none}.evo-table thead tr,.evo-row,.evo-total-row,.evo-user-row{display:flex;flex-wrap:wrap;align-items:stretch}.evo-th-cat,.evo-th-sec,.evo-td-cat,.evo-td-sec{position:static!important;flex:0 0 50%;width:50%;max-width:none;z-index:auto}.evo-total-row .evo-total-cat{position:static!important;flex:1 0 100%;width:100%;max-width:none;z-index:auto}.evo-th-v,.evo-row .evo-cell,.evo-total-row .evo-cell,.evo-user-row .evo-cell{flex:1 1 1px;min-width:0;width:auto}.evo-row .evo-cell{height:22px}.evo-user-row .evo-cell{height:auto;min-height:24px}.evo-total-row .evo-cell,.evo-total-row .evo-total-cat{height:auto;min-height:30px}.evo-row .evo-td-cat{padding:6px 4px 2px 14px}.evo-row .evo-td-sec{padding:6px 4px 2px 8px}.evo-th-v{min-height:28px}.evo-th-v:before{display:none}.evo-th-v-label{bottom:4px}.evo-expand-row{display:block}.evo-expand-row td.evo-expand-td{display:block;width:100%;position:static;padding:14px 16px 16px}}