:root{color-scheme:dark;--ink: #e8ecf4;--ink-dim: #8b93a7;--panel: rgb(12 16 26 / .72);--edge: rgb(255 255 255 / .1)}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;height:100%;overflow:hidden;background:#01020a;color:var(--ink);font:13px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}#viewport{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}#viewport:active{cursor:grabbing}#graticule-labels,#capital-labels{position:fixed;inset:0;overflow:hidden;pointer-events:none}.capital-label{position:absolute;height:36px;padding:4px 8px 3px;overflow:hidden;border:1px solid rgb(255 255 255 / .18);border-radius:6px;background:var(--capital-background, rgb(5 10 20 / .86));box-shadow:0 4px 14px #00000047;white-space:nowrap}.capital-name,.capital-value{display:block;overflow:hidden;text-overflow:ellipsis}.capital-name{color:var(--capital-text, #f5f8ff);font-size:10px;font-weight:600;line-height:13px}.capital-value{color:var(--capital-text, #f5f8ff);opacity:.84;font:9px/13px ui-monospace,SF Mono,Menlo,Consolas,monospace}.capital-marker{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--capital-text, #f5f8ff);box-shadow:0 0 0 1px #fff9,0 0 7px var(--capital-text, #f5f8ff);transform:translate(-3px,-3px)}.capital-label[data-style=plain],.capital-label[data-style=value-only]{padding-left:3px;padding-right:3px;border-color:transparent;background:transparent;box-shadow:none;text-shadow:0 1px 3px rgb(0 0 0 / .95),0 0 8px rgb(0 0 0 / .75)}.capital-label[data-style=value-only]{height:20px;padding-top:3px;padding-bottom:2px}.capital-label[data-style=value-only] .capital-value{overflow:visible;text-overflow:clip;opacity:1;font-size:10px}#colour-legend{position:fixed;z-index:1;top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right));width:min(264px,calc(100vw - 32px));padding:13px 14px 12px;border:1px solid rgb(255 255 255 / .14);border-radius:13px;background:linear-gradient(145deg,#191f2ddb,#070a12c7);box-shadow:0 14px 40px #0000003d,inset 0 1px #ffffff0f;backdrop-filter:blur(18px) saturate(1.12);pointer-events:none}.legend-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:9px}#legend-title{min-width:0;overflow:hidden;color:#f3f6fb;font-size:12px;font-weight:650;letter-spacing:.01em;text-overflow:ellipsis;white-space:nowrap}#legend-unit{flex:0 0 auto;color:#aeb7c9;font-size:10px;letter-spacing:.045em}#legend-ramp{height:13px;border:1px solid rgb(255 255 255 / .22);border-radius:999px;box-shadow:inset 0 0 0 1px #0000002e,0 2px 8px #00000038}#legend-ticks{display:flex;justify-content:space-between;margin-top:6px;color:#c1c9d8;font-size:9px;font-variant-numeric:tabular-nums;line-height:1}#legend-ticks span{width:20%;text-align:center}#legend-ticks span:first-child{text-align:left}#legend-ticks span:last-child{text-align:right}#legend-categories{display:grid;grid-template-columns:repeat(4,1fr);gap:6px 10px}.legend-category{display:flex;align-items:center;gap:5px;color:#cbd2df;font-size:9px;font-variant-numeric:tabular-nums}.legend-category i{width:15px;height:10px;flex:0 0 auto;border:1px solid rgb(255 255 255 / .18);border-radius:3px;box-shadow:inset 0 0 0 1px #0000001f}.graticule-label{position:absolute;padding:1px 4px;border-radius:4px;background:#03070fb8;box-shadow:0 0 0 1px #ffffff1f;color:#dcecff;font-size:10px;font-variant-numeric:tabular-nums;line-height:1.4;white-space:nowrap;transform:translate(5px,5px)}.graticule-label.greenwich{color:#ffc66d;box-shadow:0 0 0 1px #ffbe5861;font-weight:600;transform:translate(5px,-18px)}#hud{position:fixed;top:max(16px,env(safe-area-inset-top));left:max(16px,env(safe-area-inset-left));width:232px;padding:14px 16px 12px;border:1px solid var(--edge);border-radius:12px;background:var(--panel);backdrop-filter:blur(16px);display:grid;gap:10px;max-height:calc(100dvh - (2*max(16px,env(safe-area-inset-top))));overflow-y:auto;overscroll-behavior:contain}#hud label{display:grid;gap:4px}#hud label span{color:var(--ink-dim);font-size:11px;letter-spacing:.04em;text-transform:uppercase}#hud select{width:100%;padding:6px 8px;border:1px solid var(--edge);border-radius:7px;background:#ffffff0f;color:var(--ink);font:inherit}#readout{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;margin:2px 0 0;padding-top:10px;border-top:1px solid var(--edge);font-variant-numeric:tabular-nums}#readout dt{color:var(--ink-dim)}#readout dd{margin:0;text-align:right}#hint{margin:0;color:var(--ink-dim);font-size:11px}#credits{margin:-2px 0 0;padding-top:10px;border-top:1px solid var(--edge);font-size:11px;color:var(--ink-dim)}#credits summary{cursor:pointer;list-style:none}#credits summary::-webkit-details-marker{display:none}#credits summary:before{content:"▸ "}#credits[open] summary:before{content:"▾ "}#credits ul{margin:8px 0 0;padding:0;list-style:none;display:grid;gap:7px}#credits li{line-height:1.45}#credits a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--edge)}#credits a:hover{border-bottom-color:currentColor}#credits .licence{display:inline-block;padding:0 5px;border:1px solid var(--edge);border-radius:4px;font-size:10px;white-space:nowrap}#credits .note{display:block;opacity:.75}#fatal{position:fixed;inset:0;display:grid;align-content:center;justify-items:center;gap:8px;padding:32px;text-align:center}#fatal h1{margin:0;font-size:17px;font-weight:600}#fatal p{margin:0;max-width:46ch;color:var(--ink-dim)}#fatal a{color:var(--ink)}:root[data-layout=compact] #hud{top:auto;bottom:max(8px,env(safe-area-inset-bottom));left:max(8px,env(safe-area-inset-left));right:max(8px,env(safe-area-inset-right));width:auto;max-height:62dvh;padding:12px 14px 10px}#controls-visibility{display:none}:root[data-layout=compact] #controls-visibility{display:block;position:fixed;z-index:1;top:max(8px,env(safe-area-inset-top));right:max(8px,env(safe-area-inset-right));min-height:44px;padding:8px 12px;border:1px solid var(--edge);border-radius:999px;background:var(--panel);backdrop-filter:blur(16px);color:var(--ink);font:inherit;cursor:pointer}:root[data-layout=compact] #controls-visibility:active{background:#ffffff26}:root[data-layout=compact] #colour-legend{top:calc(max(8px,env(safe-area-inset-top)) + 52px);right:max(8px,env(safe-area-inset-right));width:min(220px,calc(100vw - 16px));padding:11px 12px 10px}#projection-note{margin:-4px 0 0;color:var(--ink-dim);font-size:11px;line-height:1.4;min-height:2.8em}#sky-note{margin:-2px 0 0;color:var(--ink-dim);font-size:11px;line-height:1.4}#hud-primary,#hud-more{display:grid;gap:10px}#hud-toggle{justify-self:start;padding:3px 0;border:0;background:none;color:var(--ink-dim);font:inherit;font-size:11px;cursor:pointer}#hud-toggle:hover{color:var(--ink)}#hud-toggle:before{content:"▾ "}#hud-toggle[aria-expanded=false]:before{content:"▸ "}#dataset-note,#field-note{margin:-4px 0 0;color:var(--ink-dim);font-size:11px;line-height:1.4}#time-row{display:grid;gap:4px}#time-label{font-variant-numeric:tabular-nums;font-size:11px;color:var(--ink-dim);text-align:right}#morph-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:center}#unfurl,#reset-view{padding:6px 12px;border:1px solid var(--edge);border-radius:7px;background:#ffffff17;color:var(--ink);font:inherit;cursor:pointer}#unfurl:hover,#reset-view:hover{background:#ffffff26}#unfurl:active,#reset-view:active{transform:translateY(.5px)}#morph{grid-column:1 / -1;width:100%;min-width:0;accent-color:#6ea8ff}#time{width:100%;accent-color:#6ea8ff}#export{display:grid;gap:6px;padding-top:10px;border-top:1px solid var(--edge)}#export-approach-options{display:grid;grid-template-columns:1fr 1fr;gap:7px}#export-time-options{display:grid;gap:7px;padding:2px 0 3px}#export-time-options label{display:grid;grid-template-columns:1fr;gap:2px}#export-time-options output{color:var(--ink-dim);float:right;font-variant-numeric:tabular-nums}#export-time-from,#export-time-to{width:100%;min-width:0;accent-color:#6ea8ff}#export-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}#export-run{white-space:nowrap}#export-status{color:var(--ink-dim);font-size:11px;font-variant-numeric:tabular-nums}#export-run{padding:5px 10px;border:1px solid var(--edge);border-radius:7px;background:#ffffff0f;color:var(--ink);font:inherit;cursor:pointer}#export-run:disabled{opacity:.5;cursor:default}#toggles{display:grid;gap:4px;padding-top:10px;border-top:1px solid var(--edge)}#graticule-options,#capital-options,#sharpen-options{display:grid;gap:7px;margin-top:-4px;padding:8px 0 2px 22px}.capital-colours{display:grid;grid-template-columns:1fr 1fr;gap:8px}#hud input[type=color]{width:100%;height:28px;padding:2px;border:1px solid var(--edge);border-radius:6px;background:#ffffff0f;cursor:pointer}#capital-opacity,#sharpen-strength{width:100%;accent-color:#6ea8ff}#capital-opacity-label,#sharpen-strength-label{float:right;color:var(--ink-dim);font-variant-numeric:tabular-nums}#hud .check{display:flex;align-items:center;gap:7px;color:var(--ink);cursor:pointer;user-select:none}#hud .check input{accent-color:#6ea8ff;margin:0;flex:0 0 auto}