:root{
  --bg:#07090c;--panel:#10141a;--panel2:#151b22;--text:#f5f1e8;--muted:#a7adb5;--line:#2a323d;
  --gold:#d6ad67;--gold2:#f1d39a;--accent:#e2bc75;--shadow:0 18px 60px rgba(0,0,0,.35);
}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{min-height:100vh}
a{color:inherit}
.site-shell{min-height:100vh;background:radial-gradient(circle at 75% -10%,rgba(214,173,103,.14),transparent 35%),linear-gradient(#080b0f,#07090c)}
header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 34px;border-bottom:1px solid rgba(255,255,255,.08);position:relative;z-index:1000;background:rgba(7,9,12,.9);backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:18px;text-decoration:none}.brand-mark{width:38px;height:38px;border:1px solid var(--gold);border-radius:50%;position:relative;box-shadow:inset 0 0 0 7px #090c10}.brand-mark:after{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:var(--gold2);right:2px;top:5px}.brand-name{font-size:20px;letter-spacing:.28em;font-weight:300}.brand-sub{font-size:9px;color:var(--muted);letter-spacing:.2em;text-transform:uppercase;margin-top:4px}
nav{display:flex;gap:8px;flex-wrap:wrap}.nav-link{padding:9px 13px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:#c7ccd2;font-size:12px}.nav-link.active{background:var(--gold);color:#111;border-color:var(--gold)}
main{max-width:1680px;margin:0 auto;padding:28px 28px 42px}.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(310px,.75fr);gap:24px;align-items:end;margin-bottom:20px}.eyebrow{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold2)}h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(42px,6vw,86px);line-height:.9;margin:10px 0 15px;letter-spacing:-.035em}.hero p{max-width:760px;font-size:17px;color:#c2c7cd;line-height:1.6;margin:0}.hero-stat{border-left:1px solid var(--gold);padding:4px 0 4px 22px}.hero-stat strong{display:block;font-family:Georgia,serif;font-weight:400;font-size:30px;color:var(--gold2)}.hero-stat span{font-size:12px;color:var(--muted);line-height:1.5}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:18px;align-items:start}.map-panel{position:relative;min-height:690px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#0d1116;box-shadow:var(--shadow)}#map{height:690px;width:100%;background:#101419}.map-vignette{pointer-events:none;position:absolute;inset:0;z-index:500;box-shadow:inset 0 0 120px rgba(0,0,0,.42)}.map-badge{position:absolute;left:18px;top:18px;z-index:650;background:rgba(6,8,11,.85);border:1px solid rgba(255,255,255,.16);border-radius:13px;padding:12px 14px;backdrop-filter:blur(12px);max-width:340px}.map-badge b{font-size:13px;letter-spacing:.08em;text-transform:uppercase}.map-badge div{font-size:11px;color:#c2c6cb;margin-top:4px;line-height:1.4}.map-actions{position:absolute;right:14px;top:14px;z-index:650;display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.map-actions button{background:rgba(8,11,15,.88);color:#f1eee8;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:9px 11px;font-size:11px;cursor:pointer;backdrop-filter:blur(10px)}.map-actions button:hover{border-color:var(--gold)}
.control-panel{display:flex;flex-direction:column;gap:14px}.card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(19,24,31,.96),rgba(12,16,21,.98));border-radius:18px;padding:18px;box-shadow:var(--shadow)}.card h2{font-size:12px;letter-spacing:.17em;text-transform:uppercase;color:#cbd0d5;margin:0 0 14px}.sun-readout{display:flex;align-items:baseline;gap:8px}.sun-readout .big{font-family:Georgia,serif;font-size:48px;color:var(--gold2);line-height:1}.sun-readout .unit{font-size:15px;color:var(--muted)}
input[type=range]{width:100%;accent-color:var(--gold);margin:16px 0 9px}.number-row{display:grid;grid-template-columns:1fr 110px;gap:8px}.number-row input,.number-row select{width:100%;background:#090c10;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 11px;font-size:14px}.presets{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.preset{border:1px solid var(--line);background:#0b0f14;color:#d7dbe0;border-radius:999px;padding:7px 9px;font-size:10px;cursor:pointer}.preset:hover{border-color:var(--gold);color:var(--gold2)}
.fact-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.fact{background:#0a0e13;border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:11px}.fact label{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:#7f8790}.fact strong{display:block;margin-top:6px;font-size:15px;font-weight:600}.fact .gold{color:var(--gold2)}
.science-note{font-size:11px;line-height:1.6;color:#abb1b8}.science-note b{color:#e7e3dc}.tiny-line{height:1px;background:var(--line);margin:12px 0}.status{display:flex;align-items:center;gap:8px;font-size:10px;color:#9fa6ad}.status-dot{width:7px;height:7px;border-radius:50%;background:#7cc58b;box-shadow:0 0 12px rgba(124,197,139,.55)}
.planet-section{margin-top:18px;display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.table-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#0d1116}.table-head{padding:18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:end}.table-head h2{margin:0;font-size:15px}.table-head p{margin:0;color:var(--muted);font-size:11px}.planet-table{width:100%;border-collapse:collapse}.planet-table th,.planet-table td{padding:11px 16px;border-bottom:1px solid rgba(255,255,255,.06);text-align:right;font-size:12px}.planet-table th:first-child,.planet-table td:first-child{text-align:left}.planet-table th{color:#7f8790;font-size:9px;text-transform:uppercase;letter-spacing:.11em}.planet-name{display:flex;align-items:center;gap:9px}.planet-dot{width:9px;height:9px;border-radius:50%;box-shadow:0 0 10px currentColor}.concept-card{border:1px solid var(--line);border-radius:18px;padding:22px;background:radial-gradient(circle at 50% 25%,rgba(214,173,103,.14),transparent 38%),#0d1116}.sun-orb{width:150px;height:150px;border-radius:50%;margin:8px auto 24px;background:radial-gradient(circle at 35% 32%,#fff1b5 0 3%,#f8ce65 4% 14%,#e59324 30%,#9b4517 57%,#42190c 74%,#150909 100%);box-shadow:0 0 22px #e68e2e,0 0 70px rgba(245,144,36,.45),0 0 150px rgba(224,125,27,.22);position:relative;overflow:hidden}.sun-orb:after{content:"";position:absolute;inset:-30%;background:repeating-radial-gradient(circle at 45% 40%,transparent 0 7px,rgba(255,232,162,.12) 8px 10px);transform:rotate(18deg)}.quote{font-family:Georgia,serif;font-size:25px;line-height:1.25;margin:8px 0;color:#f5ead6}.quote em{color:var(--gold2);font-style:normal}.caption{font-size:11px;color:#a8afb6;line-height:1.6}
footer{max-width:1680px;margin:0 auto;padding:0 28px 30px;color:#7d858e;font-size:10px;line-height:1.6}.footer-grid{border-top:1px solid var(--line);padding-top:16px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-grid a{color:#b2b8bf}
.landing{max-width:1300px;margin:0 auto;padding:70px 30px}.landing h1{font-size:clamp(58px,9vw,120px)}.landing-intro{max-width:760px;font-size:20px;color:#bec5cc;line-height:1.6}.mode-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:45px}.mode-card{min-height:390px;border:1px solid var(--line);border-radius:24px;padding:28px;text-decoration:none;position:relative;overflow:hidden;background:#0c1116}.mode-card:before{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(214,173,103,.35);border-radius:50%;right:-80px;bottom:-120px;box-shadow:0 0 0 50px rgba(214,173,103,.035),0 0 0 100px rgba(214,173,103,.02)}.mode-card h2{font-family:Georgia,serif;font-weight:400;font-size:38px;margin:140px 0 10px}.mode-card p{max-width:470px;color:#aeb5bc;line-height:1.6}.mode-card .go{display:inline-block;margin-top:12px;color:var(--gold2);font-size:12px;text-transform:uppercase;letter-spacing:.14em}
.leaflet-container{font-family:Inter,system-ui,sans-serif}.leaflet-control-attribution{background:rgba(7,9,12,.75)!important;color:#bbc1c7!important}.leaflet-control-attribution a{color:#e4c486!important}.leaflet-control-zoom a{background:#0b0f14!important;color:#eee!important;border-color:#303841!important}.orbit-label{background:rgba(6,8,11,.86)!important;border:1px solid rgba(255,255,255,.16)!important;border-radius:10px!important;color:#fff!important;box-shadow:none!important;padding:5px 7px!important;font-size:10px!important}.orbit-label:before{display:none!important}.sun-pin{filter:drop-shadow(0 0 9px rgba(250,168,48,.95))}
@media(max-width:1050px){.workspace{grid-template-columns:1fr}.control-panel{display:grid;grid-template-columns:1fr 1fr}.planet-section{grid-template-columns:1fr}.hero{grid-template-columns:1fr}.hero-stat{border-left:0;border-top:1px solid var(--gold);padding:15px 0 0}.map-panel,#map{height:600px;min-height:600px}}
@media(max-width:720px){header{padding:17px 18px;align-items:flex-start}.brand-sub{display:none}.brand-name{font-size:15px}.brand-mark{width:30px;height:30px}nav{justify-content:flex-end}.nav-link{padding:7px 9px;font-size:10px}main{padding:20px 14px}.control-panel{grid-template-columns:1fr}.map-panel,#map{height:570px;min-height:570px}.map-badge{left:10px;top:10px;max-width:220px}.map-actions{right:8px;top:auto;bottom:18px}.planet-table th,.planet-table td{padding:10px 8px;font-size:10px}.mode-cards{grid-template-columns:1fr}.landing{padding:45px 18px}.mode-card{min-height:320px}.mode-card h2{margin-top:100px}footer{padding:0 14px 24px}}
/* v2 spatial design controls */
.primary-action{border-color:var(--gold)!important;color:var(--gold2)!important}.primary-action.active{background:var(--gold)!important;color:#111!important}.placing-sun{cursor:crosshair!important}.sun-pin-core{width:28px;height:28px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff7c6,#ffbd3d 35%,#e46f13 75%,#9c3213);box-shadow:0 0 8px #ffd16a,0 0 24px #f28a22,0 0 48px rgba(242,138,34,.55);border:1px solid rgba(255,244,190,.8)}
.planet-pin{overflow:visible!important}.planet-pin-core{width:16px;height:16px;border-radius:50%;background:var(--planet);border:2px solid rgba(255,255,255,.88);box-shadow:0 0 12px var(--planet);position:relative}.planet-pin-core span{position:absolute;left:20px;top:-3px;white-space:nowrap;background:rgba(7,9,12,.86);border:1px solid rgba(255,255,255,.12);border-radius:7px;padding:2px 5px;color:#f5f1e8;font-size:9px;font-weight:650;letter-spacing:.03em;pointer-events:none}
.bearing-controls{display:flex;flex-direction:column;gap:7px;margin-top:13px}.bearing-row{display:grid;grid-template-columns:88px 1fr 38px;gap:8px;align-items:center}.bearing-row input[type=range]{margin:0}.bearing-row>span{font-size:10px;color:var(--gold2);font-variant-numeric:tabular-nums;text-align:right}.bearing-name{display:flex;align-items:center;gap:7px;background:transparent;border:0;color:#d9dde1;padding:4px 0;font-size:10px;cursor:pointer;text-align:left}.bearing-name:hover{color:var(--gold2)}
.planet-section.wide{grid-template-columns:minmax(0,1.4fr) minmax(300px,.6fr)}.table-scroll{overflow-x:auto}.planet-section.wide .planet-table{min-width:780px}.planet-section.wide .planet-table th,.planet-section.wide .planet-table td{white-space:nowrap}
@media(max-width:1050px){.planet-section.wide{grid-template-columns:1fr}}

/* v4: a contained, wrapping toolbar and a readable offline orbit view. */
header,main,nav,.hero>*,.workspace>*,.control-panel,.card,.planet-section>*,.table-card,.table-scroll{min-width:0}
header{flex-wrap:wrap}.brand{gap:12px}.brand-mark{flex-shrink:0}.brand-sub{display:block}.brand-name{white-space:nowrap}button,select{font:inherit;cursor:pointer}input[type=range]{min-width:0}
.map-panel{height:auto;min-height:0}.map-badge{position:static;max-width:none;border:0;border-radius:0;background:#10151d;padding:16px 18px;backdrop-filter:none}.map-badge div{line-height:1.6}.map-actions{position:static;justify-content:flex-start;padding:0 16px 14px;background:#10151d}.map-actions button{font-size:11px;min-height:36px}
.map-view-row{display:flex;align-items:center;gap:12px;padding:12px 18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12px;background:#0c1016}.map-view-row select{max-width:100%;padding:8px 12px;border:1px solid #495361;border-radius:8px;background:#171e28;color:var(--text);font-size:12px}.map-north{margin-left:auto;color:var(--gold2);font-size:12px;letter-spacing:.12em}
.map-stage{position:relative;min-width:0}#map{height:560px;min-height:0;width:100%}.map-vignette{z-index:450;box-shadow:inset 0 0 70px rgba(0,0,0,.25)}
#map.orbit-diagram{background-color:#101820;background-image:linear-gradient(#bacad90c 1px,transparent 1px),linear-gradient(90deg,#bacad90c 1px,transparent 1px);background-size:36px 36px}
.map-status{margin:0;padding:13px 18px;border-top:1px solid var(--line);font-size:12px;line-height:1.5;color:#c9c5ba;background:#11161d}.map-status[data-warning="true"]{color:#f1d39a}.map-status a{color:#f1d39a}.labels-hidden .planet-pin-core span{display:none}
.leaflet-control-scale-line{background:#0b101ccc!important;color:#ece5d9!important;border-color:#a5acb7!important;text-shadow:none!important}.leaflet-control-attribution{max-width:100%;font-size:9px!important;white-space:normal}
.table-head{flex-wrap:wrap;align-items:start}.table-scroll{max-width:100%;overscroll-behavior-x:contain}.planet-dot{flex-shrink:0}.preview-note{max-width:700px;font-size:14px;line-height:1.7;color:var(--gold2)}
:focus-visible{outline:2px solid var(--gold2);outline-offset:3px}
@media(max-width:1150px){.workspace{grid-template-columns:1fr}.control-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.planet-section.wide{grid-template-columns:minmax(0,1fr)}.hero{grid-template-columns:1fr}.hero-stat{border-left:0;border-top:1px solid var(--gold);padding:15px 0 0}}
@media(max-width:720px){header{gap:16px}nav{justify-content:flex-start;width:100%}.nav-link{font-size:11px;padding:8px 10px}.control-panel{grid-template-columns:minmax(0,1fr)}.map-panel{height:auto;min-height:0}#map{height:460px;min-height:0}.map-actions{padding:0 12px 12px;gap:6px}.map-badge{padding:14px}.map-actions button{padding:8px 10px}.table-head{padding:14px}.hero p{font-size:15px}.brand-name{font-size:16px}.map-status{padding:12px 14px}.bearing-row{grid-template-columns:88px minmax(0,1fr) 38px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.related-project{display:block;margin-top:24px;padding:28px;border:1px solid #5b9bc466;border-radius:20px;background:radial-gradient(ellipse at 85% 50%,#4aa7db22,transparent 65%),#0c151f;text-decoration:none}.related-project:hover{border-color:#91cfee}.related-project h2{font-family:Georgia,serif;font-size:38px;font-weight:400;margin:12px 0}.related-project p{color:#b6c8d3;line-height:1.6;max-width:50ch}.related-project>span:last-child{color:#9bd2f2;font-size:13px}

/* One Sun concept image and readable content for version 6. */
.landing-concept{margin:36px auto;max-width:1100px}
.landing-sun-photo{height:clamp(380px,58vw,640px);overflow:hidden;position:relative;background:#13100d}
.landing-sun-photo img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:50% 53%;transform:scale(1.035)}
.landing-concept figcaption{font-size:11px;color:#b9b1a5;letter-spacing:.08em;padding:14px 0;line-height:1.6}
.landing-intro{max-width:850px}
.science-note,.caption{line-height:1.75}
@media(max-width:600px){.landing-sun-photo{height:540px}.landing-concept{margin:25px auto}}