:root{--bg:#1a1a1a;--panel:#121212;--sunk:#0f0f0f;--line:#333;--line2:#555;--ink:#f0f0f1;--muted:#c8c8c8;--faint:#8a8a8a;--acc:#da1313;--acc-dim:#da131314;--acc-hi:#da131326;--acc-dark:#c41010;--acc-text:#f4462f;--r:2px;--t:.3s cubic-bezier(.4,0,.2,1);--sans:"Work Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"DM Mono",ui-monospace,"SF Mono",Consolas,monospace;--hd-bg:#1a1a1af2;--toast-bg:#000000d9}:root[data-theme=light]{--bg:#f7f5f2;--panel:#fff;--sunk:#efece7;--line:#d8d2c8;--line2:#b0a99d;--ink:#18160f;--muted:#47433b;--faint:#6b6259;--acc:#c41010;--acc-dim:#c4101014;--acc-hi:#c4101026;--acc-dark:#a80d0d;--acc-text:#c41010;--hd-bg:#f7f5f2f2;--toast-bg:#fffffff2}:root{--fs-n2:.694rem;--fs-n1:.833rem;--fs-0:1rem;--fs-1:1.2rem;--fs-2:1.44rem;--fs-3:1.728rem;--fs-4:2.074rem;--fs-5:2.488rem;--fs-6:2.986rem}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}.sr-only,.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}body{background:var(--bg);color:var(--ink);font:300 16px/1.55 var(--sans);-webkit-font-smoothing:antialiased;margin:0}::selection{background:var(--acc);color:#fff}:focus-visible{outline:2px solid var(--acc);outline-offset:2px}a{color:inherit}code,kbd,samp,pre{font-family:var(--mono)}.eyebrow{font:600 10.5px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--acc-text)}.grain{z-index:100;pointer-events:none;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");background-repeat:repeat;position:fixed;inset:0}.btn{appearance:none;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);color:var(--ink);font:500 13px/1 var(--sans);cursor:pointer;transition:border-color var(--t),background var(--t),color var(--t);justify-content:center;align-items:center;gap:6px;padding:9px 14px;display:inline-flex}.btn:hover{border-color:var(--acc)}.btn:disabled{color:var(--faint);cursor:default;border-color:var(--line)}.btn.pri{background:var(--acc);border-color:var(--acc);color:#fff}.btn.pri:hover{background:var(--acc-dark);border-color:var(--acc-dark)}.icon-btn{appearance:none;border-radius:var(--r);width:32px;height:32px;color:var(--muted);cursor:pointer;transition:border-color var(--t),color var(--t);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;font-size:15px;line-height:1;display:inline-flex}.icon-btn:hover{border-color:var(--acc);color:var(--ink)}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);transition:border-color var(--t)}.card:hover{border-color:var(--acc)}.fld{appearance:none;background:var(--sunk);border:1px solid var(--line);border-radius:var(--r);color:var(--ink);font:300 13px/1.4 var(--sans);transition:border-color var(--t);padding:8px 10px}.fld::placeholder{color:var(--faint)}.fld:focus{border-color:var(--acc);outline:none}.seg{border:1px solid var(--line);border-radius:var(--r);display:inline-flex;overflow:hidden}.seg>button{appearance:none;border:0;border-right:1px solid var(--line);color:var(--muted);font:500 10.5px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:background var(--t),color var(--t);background:0 0;padding:8px 12px}.seg>button:last-child{border-right:0}.seg>button:hover{color:var(--ink)}.seg>button.on,.seg>button[aria-pressed=true]{background:var(--acc-dim);color:var(--acc-text)}input[type=range].rng{appearance:none;cursor:pointer;background:0 0;width:100%;height:17px;margin:0}input[type=range].rng::-webkit-slider-runnable-track{background:var(--line2);height:2px}input[type=range].rng::-webkit-slider-thumb{-webkit-appearance:none;background:var(--acc);border-radius:var(--r);border:0;width:13px;height:13px;margin-top:-5.5px}input[type=range].rng::-moz-range-track{background:var(--line2);height:2px}input[type=range].rng::-moz-range-thumb{background:var(--acc);border-radius:var(--r);border:0;width:13px;height:13px}input[type=range].rng:focus-visible{outline:2px solid var(--acc);outline-offset:2px}.tgl{flex:none;width:32px;height:17px;display:inline-block;position:relative}.tgl input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.tgl span{background:var(--sunk);border:1px solid var(--line);pointer-events:none;transition:background var(--t),border-color var(--t);border-radius:9px;position:absolute;inset:0}.tgl span:after{content:"";background:var(--faint);width:11px;height:11px;transition:transform var(--t),background var(--t);border-radius:50%;position:absolute;top:2px;left:2px}.tgl input:checked+span{background:var(--acc-dim);border-color:var(--acc)}.tgl input:checked+span:after{background:var(--acc);transform:translate(15px)}.tgl input:focus-visible+span{outline:2px solid var(--acc);outline-offset:2px}.tag{font:500 8.5px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--faint);border:1px solid var(--line);border-radius:var(--r);padding:4px 6px;display:inline-block}.cta{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:var(--r);color:var(--muted);padding:14px 16px}.modal-scrim{z-index:80;background:#0009;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);width:100%;max-width:520px;max-height:85vh;padding:20px;overflow:auto}.toast{z-index:90;background:var(--toast-bg);color:var(--ink);border:1px solid var(--line);border-radius:var(--r);font:400 12px/1.4 var(--mono);-webkit-backdrop-filter:blur(6px);white-space:nowrap;padding:10px 14px;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}:root{--hd-h:56px}.hd{z-index:50;height:var(--hd-h);background:var(--hd-bg);-webkit-backdrop-filter:blur(6px);border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:0 16px;display:flex;position:sticky;top:0;overflow:hidden}.hd-brand{flex:none;align-items:center;text-decoration:none;display:flex}.hd-logo{width:auto;height:20px;display:block}@media (max-width:640px){.hd-logo{height:15px}}.hd-sep{background:var(--line);flex:none;width:1px;height:22px}.hd-tile{border:1px solid var(--line);border-radius:5px;flex:none;width:26px;height:26px;overflow:hidden}.hd-tile svg{width:100%;height:100%;display:block}.hd-id{flex-direction:column;gap:2px;min-width:0;display:flex}.hd-name{font:800 17px/1 var(--sans);letter-spacing:-.02em;color:var(--ink);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.hd-sub{font:600 8.5px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--faint);white-space:nowrap}.hd-tabs{scrollbar-width:none;align-self:stretch;align-items:stretch;margin-left:8px;display:flex;overflow-x:auto;-webkit-mask-image:linear-gradient(90deg,#0000,#000 10px calc(100% - 10px),#0000);mask-image:linear-gradient(90deg,#0000,#000 10px calc(100% - 10px),#0000)}.hd-tabs::-webkit-scrollbar{display:none}.hd-tabs button{appearance:none;color:var(--muted);font:500 12.5px/1 var(--sans);letter-spacing:.04em;cursor:pointer;white-space:nowrap;transition:color var(--t),box-shadow var(--t);background:0 0;border:0;padding:0 12px}.hd-tabs button:hover{color:var(--ink)}.hd-tabs button[aria-selected=true]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--acc)}.hd-spacer{flex:1}.hd-actions{flex:none;align-items:center;gap:6px;display:flex}.ft{border-top:1px solid var(--line);font:300 11.5px/1.6 var(--sans);color:var(--faint);flex-wrap:wrap;align-items:center;gap:6px 14px;padding:14px 16px;display:flex}.ft a{color:var(--muted);border-bottom:1px solid var(--line2);transition:color var(--t),border-color var(--t);text-decoration:none}.ft a:hover{color:var(--acc);border-color:var(--acc)}.ft-spacer{flex:1}.ring{flex-wrap:wrap;gap:8px;display:flex}.ring-item{border:1px solid var(--line);border-radius:var(--r);color:var(--muted);font:500 11px/1 var(--sans);transition:border-color var(--t),color var(--t);align-items:center;gap:7px;padding:5px 9px 5px 5px;text-decoration:none;display:inline-flex}a.ring-item:hover{border-color:var(--acc);color:var(--ink)}.ring-item[aria-disabled=true]{opacity:.55;cursor:default}.ring-tile{border-radius:3px;flex:none;width:18px;height:18px;overflow:hidden}.ring-tile svg{width:100%;height:100%;display:block}@media (max-width:640px){:root{--hd-h:48px}.hd{gap:10px;padding:0 12px}.hd-sub{display:none}.hd-name{font-size:16px}.hd-tile{width:24px;height:24px}.hd-id{min-width:52px}.hd-tabs{min-width:64px}}@media (max-height:520px){:root{--hd-h:40px}.hd{gap:10px}.hd-sub{display:none}.hd-tile{width:22px;height:22px}}@media (pointer:coarse){.icon-btn{width:40px;height:40px}.btn,.seg>*,.tag,.fld,select,input[type=text],input[type=number]{min-height:44px}.btn,.seg>*{justify-content:center;align-items:center;display:inline-flex}.tgl{position:relative}.tgl:after{content:"";width:44px;height:44px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}input[type=range].rng{min-height:44px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@font-face{font-family:Work Sans;font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/work-sans-latin-var-Bl-S9Xys.woff2)format("woff2")}@font-face{font-family:DM Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/assets/dm-mono-400-latin-4GdczIuU.woff2)format("woff2")}@font-face{font-family:DM Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/assets/dm-mono-500-latin-DRMDZjhP.woff2)format("woff2")}@font-face{font-family:Work Sans;font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/work-sans-latin-ext-var-B5dZ8C4S.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:DM Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/assets/dm-mono-400-latin-ext-C2zvOubV.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:DM Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/assets/dm-mono-500-latin-ext-BtRyHRi6.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}:root{--sd-night:#232333;--sd-astro:#3f3f52;--sd-naut:#58586f;--sd-civil:#747489;--sd-day:#9e9377}:root[data-theme=light]{--sd-night:#38362f;--sd-astro:#545047;--sd-naut:#6f6a60;--sd-civil:#8b877b;--sd-day:#aea794}.mono{font-family:var(--mono)}.acc{color:var(--acc-text)}#main{min-height:40vh}.layout{display:block}.pane-left,.pane-right{flex-direction:column;gap:14px;padding:14px;display:flex}.pane-center{flex-direction:column;min-width:0;padding:10px 14px 18px;display:flex}.view-diagram,.view-balcony,.view-model,.view-export{flex-direction:column;flex:1;min-height:0;display:flex}[hidden]{display:none!important}.view-balcony{gap:12px;width:100%;max-width:640px;margin:0 auto}.balcony-result{font:500 15px/1.5 var(--sans)}.offscreen-holder{width:640px;height:400px;position:fixed;top:0;left:-200vw;overflow:hidden}@media (min-width:1025px){.layout{grid-template-columns:300px minmax(0,1fr) 380px;height:calc(100vh - 56px);display:grid}.layout[data-view=model],.layout[data-view=export],.layout[data-view=balcony],.layout[data-collapsed=true]{grid-template-columns:300px minmax(0,1fr) 44px}.pane-left{border-right:1px solid var(--line);overflow-y:auto}.pane-right{border-left:1px solid var(--line);overflow-y:auto}.layout[data-view=model] .pane-right,.layout[data-view=export] .pane-right,.layout[data-view=balcony] .pane-right,.layout[data-collapsed=true] .pane-right{padding:8px 4px}.layout[data-view=model] .pane-right .m3d-block,.layout[data-view=export] .pane-right .m3d-block,.layout[data-view=balcony] .pane-right .m3d-block{display:none}.pane-center{overflow-y:auto}}@media (max-height:520px) and (min-width:641px){.layout{height:calc(100vh - 40px)}}.sd-wrap{aspect-ratio:1;cursor:grab;flex:none;width:100%;max-width:min(88vmin,720px);margin:0 auto;position:relative}.sd-wrap:active{cursor:grabbing}.sd{width:100%;height:100%;display:block}.sd-alt{fill:none;stroke:var(--line);opacity:.65}.sd-spoke{stroke:var(--line)}.sd-spoke--main{stroke:var(--line2)}.sd-horizon{fill:none;stroke:var(--line2);stroke-width:1.3px}.sd-compass{font:600 15px var(--sans);letter-spacing:.08em;fill:var(--muted)}.sd-curve{fill:none;stroke:var(--muted);stroke-width:1px;opacity:.85}.sd-curve--sol{stroke-width:1.5px}.sd-hline{fill:none;stroke:var(--line2);stroke-width:.8px;stroke-dasharray:2 4}.sd-band{fill:none;stroke:var(--faint);stroke-width:1px;opacity:.4}.sd-mlabel{font:500 9.5px var(--mono);letter-spacing:.08em;fill:var(--faint)}.sd-hlabel{font:500 8.5px var(--mono);fill:var(--faint)}.sd-seg{fill:none}.sd-seg--day{stroke:var(--sd-day)}.sd-seg--civil{stroke:var(--sd-civil)}.sd-seg--nautical{stroke:var(--sd-naut)}.sd-seg--astro{stroke:var(--sd-astro)}.sd-seg--night{stroke:var(--sd-night)}.sd-tick{stroke:var(--faint);stroke-width:1px}.sd-hnum{font:400 12.5px var(--mono);fill:var(--faint)}.sd-today{fill:none;stroke:var(--acc);stroke-width:1.8px}.sd-sun{fill:var(--acc)}.sd-sun-ghost{fill:var(--faint);opacity:.75}.sd-halo{fill:var(--acc-hi)}.sd-tmark{fill:var(--acc)}.sd-center-bg{fill:var(--panel);opacity:.72;stroke:var(--line)}.sd-center{font:500 15px var(--mono);fill:var(--ink)}.readout{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);flex-wrap:wrap;justify-content:center;gap:6px 18px;max-width:min(88vmin,720px);margin:10px auto 0;padding:9px 14px;display:flex}.read-item{align-items:baseline;gap:7px;display:inline-flex}.read-label{font:600 8.5px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}.read-value{font:500 14px var(--mono);color:var(--ink);font-variant-numeric:tabular-nums}.play-row{justify-content:center;margin:10px auto 0;display:flex}.ctl-card{padding:12px 14px 14px}.ctl-title{margin:0 0 10px}.ctl-body{flex-direction:column;gap:10px;display:flex}.ctl-row{gap:8px;display:flex}.ctl-row>*{flex:1;min-width:0}.fld-wrap{flex-direction:column;gap:4px;min-width:0;display:flex}.fld-label{font:600 8.5px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}.fld-wrap .fld{width:100%}.loc-search-wrap{position:relative}.loc-search{width:100%}.loc-results{z-index:40;max-height:280px;padding:4px;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow-y:auto}.loc-hit{appearance:none;border-radius:var(--r);width:100%;color:var(--ink);font:400 13px var(--sans);text-align:left;cursor:pointer;background:0 0;border:0;justify-content:space-between;align-items:baseline;gap:10px;padding:7px 8px;display:flex}.loc-hit:hover,.loc-hit:focus-visible{background:var(--acc-dim)}.loc-hit-tz{font:400 10px var(--mono);color:var(--faint);white-space:nowrap}.loc-empty{font:300 12px var(--sans);color:var(--faint);padding:7px 8px}.loc-name{font:500 14px var(--sans);color:var(--ink)}.date-steppers .btn{padding:8px 0}.times-table{grid-template-columns:1fr auto;gap:5px 12px;margin:0;display:grid}.times-table dt{font:300 12px var(--sans);color:var(--muted)}.times-table dd{font:400 12px var(--mono);color:var(--ink);text-align:right;font-variant-numeric:tabular-nums;margin:0}.times-table dd.acc{color:var(--acc-text)}.polar-note{font:400 12px var(--sans)}.pane-right-head{justify-content:space-between;align-items:center;display:flex}.pane-right-head .eyebrow{margin:0}.layout[data-collapsed=true] .pane-right-head .eyebrow,.layout[data-view=model] .pane-right-head .eyebrow,.layout[data-view=export] .pane-right-head .eyebrow,.layout[data-view=balcony] .pane-right-head .eyebrow{display:none}@media (max-width:1024px){.pane-right{display:none}}.m3d-block{flex-direction:column;gap:10px;display:flex}.m3d-viewport{background:var(--sunk);border:1px solid var(--line);border-radius:var(--r);touch-action:none;width:100%;height:300px;overflow:hidden}:root[data-theme=light] .m3d-viewport{border-color:var(--line2);border-top:2px solid var(--acc-dim)}.view-model .m3d-viewport{height:min(58vh,620px)}.m3d-toolbar{align-items:center;gap:8px;display:flex}.m3d-toolbar .fld{flex:1;min-width:0}.m3d-tools{flex-direction:column;gap:8px;display:flex}.m3d-hint,.m3d-empty{font:300 11.5px var(--sans);color:var(--faint);margin:0}.m3d-north{font:400 10.5px var(--mono);color:var(--acc-text);margin:0}.sld-wrap{flex-direction:column;gap:2px;display:flex}.sld-head{justify-content:space-between;align-items:baseline;display:flex}.sld-label{font:600 8.5px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}.sld-value{font:400 11.5px var(--mono);color:var(--ink)}.view-model .m3d-tools{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px 18px;display:grid}.view-model .m3d-block{width:100%;max-width:980px;margin:0 auto}.export-title{width:100%;max-width:680px;margin:14px auto 12px}.export-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;width:100%;max-width:680px;margin:0 auto;display:grid}.export-card{flex-direction:column;gap:8px;padding:14px;display:flex}.export-name{font:600 14px var(--sans);margin:0}.export-note{font:300 12px var(--sans);color:var(--muted);flex:1;margin:0}.export-funnel{width:100%;max-width:680px;font:300 13px var(--sans);margin:16px auto 24px}.export-funnel a{color:var(--acc-text);border-bottom:1px solid var(--acc);text-decoration:none}.sibling-wrap{border-top:1px solid var(--line);padding:14px 16px}@media (max-width:1024px){.layout{flex-direction:column;display:flex}.pane-center{order:1;padding:8px 10px 16px}.pane-left{order:2}.readout{z-index:30;-webkit-backdrop-filter:blur(6px);position:sticky;top:48px}.sd-wrap{max-width:min(96vw,620px)}}@media (min-width:641px) and (max-width:1024px){.layout[data-view=diagram]{grid-template-columns:minmax(0,1.4fr) minmax(240px,1fr);display:grid}.readout{position:static}}@media (max-width:640px){.btn,.icon-btn,.loc-hit{min-height:44px}}.toast-stack{z-index:90;pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.toast-stack .toast{position:static;transform:none}