:root{color-scheme:dark;--font-sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--bg:#020617;--surface:rgb(15 23 42 / 0.4);--surface-strong:rgb(30 41 59 / 0.7);--border:#1e293b;--border-strong:#334155;--text-strong:#f8fafc;--text:#f1f5f9;--text-bright:#e2e8f0;--text-soft:#cbd5e1;--muted:#94a3b8;--faint:#64748b;--accent-rgb:14 165 233;--accent-text:#7dd3fc;--accent-text-strong:#bae6fd}.accent-sky{--accent-rgb:14 165 233;--accent-text:#7dd3fc;--accent-text-strong:#bae6fd}*,::before,::after{box-sizing:border-box}[hidden]:where(:not([hidden=until-found])){display:none!important}html{-webkit-text-size-adjust:100%;tab-size:4}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::selection{background:rgb(14 165 233/.3);color:#e0f2fe}h1,h2,h3,h4,p,figure,fieldset,ul,ol{margin:0}ul,ol{padding:0;list-style:none}fieldset{padding:0;border:0;min-width:0}legend{padding:0}a{color:inherit;text-decoration:inherit}img,svg,canvas{display:block}img{max-width:100%;height:auto}table{border-collapse:collapse}button,input,select,textarea{font:inherit;color:inherit;margin:0}button{background:0 0;border:0;padding:0;cursor:pointer}button:disabled{cursor:not-allowed}input:where([type=checkbox],[type=radio],[type=range]){accent-color:rgb(var(--accent-rgb))}kbd,code{font-family:var(--font-mono)}small{font-size:.75rem}sub{line-height:0}:focus-visible{outline:2px solid rgb(var(--accent-rgb)/.5);outline-offset:1px}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgb(30 41 59/.8);background:rgb(2 6 23/.8);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.75rem 1rem}.brand{display:flex;align-items:center;gap:.625rem;font-weight:600;letter-spacing:-.025em;color:var(--text)}.brand img{width:1.75rem;height:1.75rem}.nav{display:flex;flex-wrap:wrap;align-items:center;gap:.375rem;font-size:.875rem}.nav a{border-radius:9999px;padding:.375rem .75rem;color:var(--text-bright);transition:background-color 150ms,color 150ms}.nav a:hover{background:rgb(30 41 59/.6);color:#7dd3fc}.nav a[aria-current=page]{background:rgb(14 165 233/.1);color:#7dd3fc;box-shadow:inset 0 0 0 1px rgb(14 165 233/.3)}.page-narrow{max-width:56rem;margin:0 auto;padding:2rem 1rem}.panel{display:flex;flex-direction:column;gap:.625rem;min-width:0;border:1px solid var(--border);border-radius:.75rem;background:var(--surface);padding:1rem}.panel-compact{gap:.5rem;padding:.75rem}.panel-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}legend.panel-title{padding:0 .5rem}.panel-title-note{font-family:var(--font-mono);font-weight:400;text-transform:none;letter-spacing:0;color:var(--faint)}.separator{align-self:center;width:1px;height:1.25rem;margin:0 .25rem;background:var(--border-strong)}.value{font-family:var(--font-mono);font-size:.75rem;color:var(--text-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border-strong);border-radius:.5rem;background:var(--surface-strong);padding:.375rem .75rem;font-size:.875rem;line-height:1.25rem;color:var(--text);transition:background-color 150ms,border-color 150ms,color 150ms,box-shadow 150ms}.btn:hover{background:var(--border)}.btn:disabled{opacity:.45}.btn-accent{border-color:rgb(var(--accent-rgb)/.6);background:rgb(var(--accent-rgb)/.15);color:var(--accent-text-strong)}.btn[aria-pressed=true]{background:rgb(var(--accent-rgb)/.15);color:var(--accent-text-strong);box-shadow:0 0 0 1px rgb(var(--accent-rgb)/.6)}.tool{border:1px solid transparent;border-radius:.375rem;padding:.25rem .5rem;font-size:.75rem;color:var(--text-soft)}.tool:hover{background:rgb(30 41 59/.8)}.tool[aria-pressed=true]{border-color:rgb(56 189 248/.5);background:rgb(14 165 233/.15);color:#e0f2fe}.tool kbd{margin-left:.25rem;font-size:.625rem;color:var(--faint)}.input{border:1px solid var(--border-strong);border-radius:.25rem;background:rgb(15 23 42/.6);padding:.25rem .5rem;font-size:.75rem;color:var(--text)}.input-num{width:5.5rem}.input-tiny{width:4rem}.input-fill{width:100%;min-width:0}.range{width:7rem}.dropzone{cursor:pointer;border:1px dashed rgb(51 65 85/.9);border-radius:.5rem;background:rgb(15 23 42/.3);padding:.75rem 1rem;text-align:center;font-size:.75rem;color:var(--muted);transition:background-color 150ms,border-color 150ms,box-shadow 150ms,opacity 150ms}.dropzone.is-dragover{border-color:rgb(var(--accent-rgb)/.7);background:rgb(var(--accent-rgb)/.1);box-shadow:0 0 0 1px rgb(var(--accent-rgb)/.3)}.dropzone.is-busy{opacity:.7}.table-wrap{overflow:auto}.data-table{width:100%;font-size:.875rem;color:var(--text-bright)}.data-table th{border-bottom:1px solid var(--border);padding:.5rem .75rem;text-align:right;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.025em;color:var(--muted)}.data-table td{border-bottom:1px solid var(--border);padding:.5rem .75rem;text-align:right;font-family:var(--font-mono)}.data-table :is(th,td):first-child{text-align:left;font-family:var(--font-sans)}.data-table-compact{font-size:.75rem;color:var(--text-soft)}.data-table-compact th{padding:.25rem .5rem;color:var(--faint)}.data-table-compact td{padding:.25rem .5rem}.colorbar{width:100%;height:28px}.method-copy{border:1px solid var(--border);border-radius:1rem;background:rgb(15 23 42/.5);padding:1.5rem;box-shadow:0 20px 25px -5px rgb(0 0 0/.2)}@media(min-width:640px){.method-copy{padding:2.5rem}}.method-copy h1{color:var(--text-strong);font-size:2rem;font-weight:700;letter-spacing:-.03em;margin-bottom:1.5rem}.method-copy h2{color:#67e8f9;font-size:1.25rem;font-weight:650;margin:2rem 0 .75rem}.method-copy p{color:var(--text-soft);line-height:1.75;margin:.85rem 0}.method-copy a{color:#67e8f9;text-decoration:underline;text-underline-offset:3px}.method-copy a:hover{color:#a5f3fc}.method-copy code{color:#fcd34d}.method-copy pre{overflow-x:auto;border:1px solid var(--border-strong);border-radius:.75rem;background:var(--bg);padding:1rem;margin:1rem 0}.method-copy pre code{color:var(--text-bright);font-size:.875rem;line-height:1.6}.method-copy .katex{color:var(--text-bright)}.method-copy .katex-display{overflow-x:auto;overflow-y:hidden;padding:.25rem 0}.workspace{display:flex;flex-direction:column;gap:.75rem;width:100%;padding:.75rem 1rem}.action-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;border:1px solid var(--border);border-radius:.75rem;background:var(--surface);padding:.75rem}.workspace .btn{font-size:.8125rem;line-height:1.5}.workspace .input{padding:.2rem .4rem;background:#0f172a}.action-status{flex:1;min-width:0;margin-left:auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right;font-size:.75rem;color:var(--muted)}.workspace-grid{display:grid;gap:.75rem}.sidebar{display:flex;flex-direction:column;gap:.75rem;min-width:0}.analysis-column{display:flex;flex-direction:column;gap:.75rem;min-width:0}.panel-stack{display:flex;flex-direction:column;gap:.75rem}.palette{display:flex;flex-wrap:wrap;gap:.375rem}.item-list{display:flex;flex-direction:column;gap:.375rem}.list-item{border:1px solid var(--border);border-radius:.5rem;background:var(--surface);padding:.375rem .5rem;font-size:.75rem}.list-item.is-active{border-color:rgb(14 165 233/.5);background:rgb(14 165 233/.1)}.selection-item{display:flex;align-items:center;gap:.375rem;padding-top:.25rem;padding-bottom:.25rem}.selection-item.is-active{border-color:rgb(251 191 36/.5);background:rgb(251 191 36/.1)}.item-row{display:flex;align-items:center;gap:.375rem}.item-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;color:var(--text)}.item-meta{display:flex;flex-wrap:wrap;column-gap:.5rem;margin-top:.125rem;font-family:var(--font-mono);font-size:11px;color:var(--faint)}.item-spacing{display:flex;align-items:center;gap:.25rem;margin-top:.25rem;font-size:11px;color:var(--muted)}.workspace .item-spacing .btn{padding:.0625rem .375rem;font-size:11px;line-height:1.25rem}.item-info{flex-shrink:0;font-family:var(--font-mono);font-size:10px;color:var(--faint)}.inline-edit{flex:1;min-width:0;border:0;background:0 0;color:var(--text)}.inline-edit:focus{outline:none}.color-dot{flex-shrink:0;width:.625rem;height:.625rem;border-radius:9999px}.color-square{border-radius:2px}.icon-btn{border-radius:.25rem;padding:0 .25rem;color:var(--faint)}.icon-btn:hover{color:var(--text-soft)}.icon-btn[aria-pressed=false]{color:#475569}.icon-btn[aria-pressed=false]:hover{color:var(--text-soft)}.icon-btn[aria-pressed=true]{color:#fcd34d}.icon-btn-danger:hover{color:#fda4af}.empty-note{font-size:.75rem;color:var(--faint)}.display-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;font-size:.75rem;color:var(--text-soft)}.display-grid label{display:flex;align-items:center;gap:.25rem}.display-grid .span-2{grid-column:span 2;gap:.5rem}.display-grid .spread{justify-content:space-between}.viewer-panel{order:-1;display:flex;flex-direction:column;align-self:start;width:100%;min-width:0;border:1px solid var(--border);border-radius:.75rem;background:var(--surface)}.viewer-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem;border-bottom:1px solid var(--border);padding:.5rem}.tool-group{display:flex;flex-wrap:wrap;gap:.25rem}.image-picker{max-width:12rem}.frame-control{display:flex;align-items:center;gap:.25rem;font-size:.75rem;color:var(--muted)}.frame-control .range{width:7rem}.zoom-controls{display:flex;align-items:center;gap:.25rem;margin-left:auto}.viewer-wrap{position:relative;height:60vh;min-height:320px;overflow:hidden;background:#000}.viewer-canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}.viewer-canvas:focus{outline:none}.viewer-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:1.5rem;text-align:center;font-size:.875rem;color:var(--faint);pointer-events:none}.viewer-readout{border-top:1px solid var(--border);padding:.375rem .75rem;font-family:var(--font-mono);font-size:.75rem;color:var(--muted)}@media(min-width:1280px){.workspace-grid{grid-template-columns:17rem minmax(0,1fr)minmax(22rem,30rem)}.sidebar{order:-1}.viewer-panel{position:sticky;top:4rem;height:calc(100vh - 9rem)}.viewer-wrap{flex:1;height:auto}}.analysis{border:1px solid var(--border);border-radius:.75rem;background:var(--surface);transition:opacity 150ms}.analysis.is-busy{opacity:.7}.analysis-header{display:flex;align-items:center;gap:.25rem;border-bottom:1px solid var(--border);padding:.375rem .5rem}.analysis-title{flex:1;min-width:0;border:0;background:0 0;font-size:.875rem;font-weight:600;color:var(--text)}.analysis-title:focus{outline:none}.analysis-body{display:flex;flex-direction:column;gap:.5rem;padding:.5rem}.analysis-settings{border:1px solid var(--border);border-radius:.5rem;background:rgb(2 6 23/.4);padding:.25rem .5rem;font-size:.75rem;color:var(--text-soft)}.analysis-settings summary{cursor:pointer;user-select:none;color:var(--muted)}.analysis-message{font-size:.75rem;color:#fcd34d}.analysis-results{display:flex;flex-direction:column;gap:.5rem}.bindings{display:flex;flex-direction:column;gap:.375rem;margin-top:.25rem}.parameters{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.5rem}.binding-row{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem .5rem}.binding-label{color:var(--faint)}.inline-field{display:flex;align-items:center;gap:.25rem}.status-pill{border-radius:9999px;padding:.125rem .5rem;font-size:10px;font-weight:500}.status-pill[data-status=stale]{background:rgb(51 65 85/.6);color:var(--text-soft)}.status-pill[data-status=pending]{background:rgb(14 165 233/.2);color:#bae6fd}.status-pill[data-status=ok]{background:rgb(16 185 129/.15);color:#6ee7b7}.status-pill[data-status=invalid]{background:rgb(245 158 11/.15);color:#fcd34d}.chart{display:block;width:100%;height:12rem;border-radius:.5rem;background:var(--bg)}.thumb-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem}@media(min-width:640px){.thumb-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.thumb-figure{display:flex;flex-direction:column;gap:.125rem}.local-map-readout{margin:.25rem 0;font:11px ui-monospace,monospace;color:var(--text-soft)}.local-quality-view .thumb{cursor:crosshair}.local-quality-view .thumb-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr))}.thumb{display:block;width:100%;border-radius:.25rem;background:#000}.thumb-pixelated{image-rendering:pixelated}.thumb-caption{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}.analysis .data-table th{text-transform:none;letter-spacing:0;font-weight:500;color:var(--muted)}.analysis .data-table td:first-child{font-family:var(--font-mono)}.analysis-results .tool{align-self:flex-start}.export-row{display:flex;flex-wrap:wrap;gap:.25rem}.difference-view{display:flex;flex-direction:column;gap:.5rem}.analysis-note{font-size:.75rem;color:var(--faint)}