/* Homeworlds hub — one golden-hour skybox, a castle keep, three terraces of stone-arch portals.
   Core palette: apricot/rose sky over teal-green land; gems add the only saturated accents.
   All UI text sits on dark stone-and-gold plaques so contrast never depends on the sky. */
:root{
  --display:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --ui:ui-rounded,"SF Pro Rounded","Avenir Next","Trebuchet MS",system-ui,sans-serif;
  --plaque:rgba(34,20,56,.9);--plaque-2:rgba(24,14,42,.94);--edge:#d7a646;--edge-dim:rgba(215,166,70,.45);
  --ink:#fbf3e4;--ink-dim:#e3d5ec;--gold:#ffc936;--gold-hi:#fff4b8;--gold-lo:#b8721a;
  --sky:linear-gradient(180deg,#5b3f8f 0%,#a7568c 26%,#ec8a86 52%,#ffbf87 76%,#ffe3ad 100%);
  --science:#4fb3ff;--reading:#ff5d7a;--keep:#47d16c;
  --focus:#fff4b8;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:var(--sky);background-color:#a7568c;color:var(--ink);font:15px/1.4 var(--ui);overflow:hidden;
  display:grid;grid-template-rows:auto 1fr auto}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:10px}
kbd{display:inline-grid;place-items:center;min-width:1.7em;height:1.7em;padding:0 .4em;border-radius:7px;
  font:700 .78em/1 var(--ui);color:#3a2206;background:linear-gradient(#fff4c6,#f2c55a);border:1px solid #9a5e12;box-shadow:0 2px 0 #7a4308}
.skip{position:absolute;left:12px;top:-60px;z-index:60;background:var(--plaque-2);padding:10px 14px;border-radius:10px;border:2px solid var(--edge)}
.skip:focus{top:10px}

/* ── header ─────────────────────────────────────────── */
.top{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;padding:10px 18px;
  background:linear-gradient(180deg,rgba(28,14,48,.92),rgba(28,14,48,.78));border-bottom:2px solid var(--edge-dim);z-index:5}
.brand{margin:0;display:flex;flex-direction:column;line-height:1}
.brand-name,.place-title,.help h2{font-family:var(--display);font-weight:800;letter-spacing:.02em;
  background:linear-gradient(180deg,var(--gold-hi) 0%,var(--gold) 48%,#f29a1e 100%);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 2px 0 #4a1e08) drop-shadow(0 0 1px #4a1e08)}
.brand-name{font-size:30px}
.brand-sub{font:700 11px/1 var(--ui);letter-spacing:.2em;text-transform:uppercase;color:var(--ink-dim);margin-top:5px}
.thesis{margin:0;justify-self:center;text-align:center;font:italic 500 16px/1.35 var(--display);color:var(--ink);max-width:56ch}
.hud{display:flex;align-items:center;gap:10px;background:var(--plaque-2);border:2px solid var(--edge);border-radius:999px;padding:5px 6px 5px 12px}
.gems{display:flex;gap:3px}
.gems svg{width:18px;height:20px}
.gems .off{filter:saturate(.1) brightness(.55);opacity:.7}
.gem-count{font:800 16px/1 var(--display);color:var(--gold-hi);min-width:3.2em;text-align:center}
.help-btn{border:0;background:none;padding:0;border-radius:8px}

/* ── layout ─────────────────────────────────────────── */
.hub{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:16px;padding:14px 16px;min-height:0}
.stage{position:relative;min-height:0;min-width:0;border-radius:22px;overflow:hidden;
  box-shadow:inset 0 0 0 2px var(--edge-dim),0 10px 30px rgba(40,10,40,.25);transition:transform .65s cubic-bezier(.6,0,.3,1),filter .65s}
.scenery{position:absolute;inset:0;width:100%;height:100%;display:block}
.portals{position:absolute;inset:0}

/* ── portals ────────────────────────────────────────── */
.portal{position:absolute;left:0;top:0;width:calc(var(--s,1px)*90);height:calc(var(--s,1px)*135);text-decoration:none;
  transform:translate(var(--px),var(--py));transition:filter .25s;outline:none;-webkit-tap-highlight-color:transparent}
.portal .arch{position:absolute;inset:0;width:100%;height:100%;overflow:visible;transition:transform .3s cubic-bezier(.3,1.5,.5,1)}
.portal .halo{opacity:0;transition:opacity .3s}
.portal .gem{transition:filter .4s}
.portal:not(.is-visited) .gem{filter:saturate(.15) brightness(.75)}
.portal .sheen{opacity:0}
.portal.is-selected .arch{transform:scale(1.08) translateY(-2%);filter:drop-shadow(0 0 10px rgba(255,236,150,.95)) drop-shadow(0 0 26px rgba(255,200,90,.6))}
.portal.is-selected .halo{opacity:1}
.portal.is-selected .sheen{opacity:.55;animation:sheen 3.2s ease-in-out infinite}
.portal.is-selected .sky-drift{animation:drift 6s ease-in-out infinite alternate}
.portal:focus-visible .plate{outline:3px solid var(--focus);outline-offset:2px}
.plate{position:absolute;left:50%;top:calc(100% + var(--s,1px)*4);transform:translateX(-50%);white-space:nowrap;display:flex;align-items:center;gap:5px;
  padding:3px 8px 3px 3px;border-radius:999px;background:var(--plaque-2);border:1.5px solid var(--edge-dim);
  font:700 clamp(10px,calc(var(--s,1px)*13),14px)/1 var(--ui);color:var(--ink);transition:border-color .2s,background .2s,transform .3s}
.plate kbd{font-size:.95em;min-width:1.55em;height:1.55em}
.portal.is-selected .plate{border-color:var(--gold);background:linear-gradient(#4a2a14,#2b160c);transform:translateX(-50%) scale(1.06)}
@keyframes sheen{0%{transform:translateX(-70px) rotate(20deg)}60%,100%{transform:translateX(90px) rotate(20deg)}}
@keyframes drift{from{transform:translateX(-4px)}to{transform:translateX(4px)}}

.terrace-sign{position:absolute;left:0;top:0;transform:translate(var(--px),var(--py)) translate(-50%,-50%);white-space:nowrap;
  font:800 clamp(9px,calc(var(--s,1px)*12),13px)/1 var(--ui);letter-spacing:.18em;text-transform:uppercase;color:var(--ink);
  padding:5px 10px;border-radius:6px;background:rgba(50,24,20,.88);border:1.5px solid var(--edge-dim);pointer-events:none;transition:border-color .3s,color .3s}
.terrace-sign b{display:inline-block;width:.75em;height:.75em;border-radius:2px;transform:rotate(45deg);margin-right:.6em;vertical-align:.05em}
.stage[data-route="science"] .terrace-sign.science,.stage[data-route="reading"] .terrace-sign.reading,.stage[data-route="keep"] .terrace-sign.keep{border-color:var(--gold);color:var(--gold-hi)}

/* route trails in the SVG */
.trail{fill:none;stroke:#fff1b0;stroke-width:3;stroke-dasharray:2 9;stroke-linecap:round;opacity:.35;transition:opacity .4s}
.stage[data-route="science"] .trail.science,.stage[data-route="reading"] .trail.reading,.stage[data-route="keep"] .trail.keep{opacity:.95;animation:march 1.4s linear infinite}
@keyframes march{to{stroke-dashoffset:-22}}
.bob{animation:bob 8s ease-in-out infinite;transform-box:fill-box}
.bob.b2{animation-duration:10s;animation-delay:-3s}.bob.b3{animation-duration:9s;animation-delay:-6s}
@keyframes bob{50%{transform:translateY(-9px)}}
.cloud{animation:cloud 60s linear infinite alternate}
@keyframes cloud{to{transform:translateX(60px)}}
.flag{animation:flag 2.4s ease-in-out infinite;transform-box:fill-box;transform-origin:left center}
@keyframes flag{50%{transform:skewY(6deg) scaleX(.92)}}

/* ── Glim, the firefly ──────────────────────────────── */
.glim{position:absolute;left:0;top:0;width:0;height:0;z-index:4;pointer-events:none;will-change:transform}
.glim i{position:absolute;left:-11px;top:-11px;width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle,#fffbe0 0 25%,#ffe36b 45%,rgba(255,210,70,.35) 65%,transparent 72%);
  box-shadow:0 0 18px 6px rgba(255,226,120,.55);animation:hover 1.8s ease-in-out infinite}
.glim i::before,.glim i::after{content:"";position:absolute;top:2px;width:12px;height:8px;border-radius:50%;background:rgba(255,255,255,.75);animation:wing .18s linear infinite alternate}
.glim i::before{left:-7px;transform-origin:right center}.glim i::after{right:-7px;transform-origin:left center}
@keyframes hover{50%{transform:translateY(-5px)}}
@keyframes wing{to{transform:scaleY(.35)}}
.spark{position:absolute;left:0;top:0;width:8px;height:8px;margin:-4px;z-index:3;pointer-events:none;
  background:radial-gradient(circle,#fff 0 30%,#ffe36b 50%,transparent 70%);border-radius:50%;animation:spark .7s ease-out forwards}
@keyframes spark{from{opacity:1;transform:translate(var(--x),var(--y)) scale(1)}to{opacity:0;transform:translate(var(--x),calc(var(--y) + 14px)) scale(.2)}}

.arrow-hint{position:absolute;left:12px;bottom:10px;margin:0;z-index:4;display:flex;align-items:center;gap:4px;
  font:600 12px/1 var(--ui);color:var(--ink);background:var(--plaque-2);border:1.5px solid var(--edge-dim);border-radius:999px;padding:5px 12px 5px 6px}

/* ── panel ──────────────────────────────────────────── */
.panel{min-height:0;display:grid;grid-template-rows:auto 1fr auto auto;gap:12px;padding:16px;border-radius:22px;
  background:linear-gradient(180deg,var(--plaque),var(--plaque-2));border:2px solid var(--edge);
  box-shadow:inset 0 0 0 4px rgba(0,0,0,.25),0 10px 30px rgba(40,10,40,.3);overflow:hidden}
.realm{display:grid;gap:3px;min-height:46px;padding-bottom:10px;border-bottom:1px solid var(--edge-dim)}
.realm-name{font:800 12px/1 var(--ui);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-hi);display:flex;align-items:center;gap:8px}
.realm-name::before{content:"";width:10px;height:10px;border-radius:2px;transform:rotate(45deg);background:var(--route,var(--science));box-shadow:0 0 8px var(--route,var(--science))}
.realm-route{font-size:13px;color:var(--ink-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.swap{display:grid;grid-template-rows:minmax(92px,1fr) auto auto auto auto;gap:8px;min-height:0}
.swap.in{animation:swap .32s cubic-bezier(.2,.8,.2,1)}
@keyframes swap{from{opacity:0;transform:translateX(14px)}}
.preview{position:relative;min-height:92px;border-radius:14px;overflow:hidden;background:#2a1a3a;border:2px solid var(--edge-dim)}
.preview-sky{position:absolute;inset:12px 0 0;display:grid;place-items:end center;filter:drop-shadow(0 0 22px rgba(255,220,140,.35))}
.preview-sky svg{height:100%;width:auto;display:block}
.preview-sky .dim .gem{filter:saturate(.15) brightness(.75)}
.preview{background:radial-gradient(ellipse at 50% 100%,#4a2c52,#22142f 70%)}
.preview-key{position:absolute;left:10px;top:10px}
.preview-key kbd{font-size:15px}
.preview-state{position:absolute;right:10px;top:10px;font:700 11px/1 var(--ui);letter-spacing:.12em;text-transform:uppercase;color:var(--ink);background:rgba(0,0,0,.55);padding:5px 8px;border-radius:999px}
.place-title{margin:0;font-size:clamp(22px,3.2vh,28px);line-height:1.1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;padding-bottom:2px}
.place-kicker{margin:0;font:800 11px/1.3 var(--ui);letter-spacing:.14em;text-transform:uppercase;color:var(--gold);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.place-blurb{margin:0;color:var(--ink);font-size:14.5px;line-height:1.45;overflow:hidden}
.progress{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;min-height:22px}
.bar{height:8px;border-radius:99px;background:rgba(255,255,255,.14);overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--gold-lo),var(--gold));transition:width .5s}
.progress-label{font-size:12.5px;color:var(--ink-dim)}
.travel{display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 14px;border-radius:14px;border:2px solid #9a5e12;
  background:linear-gradient(180deg,#ffe07a,#f3a92c);color:#3a1d04;font:800 16px/1 var(--display);letter-spacing:.02em;box-shadow:0 4px 0 #8a4a0a,0 0 0 0 rgba(255,220,120,.6);animation:beckon 2.6s ease-in-out infinite}
.travel kbd{background:linear-gradient(#fffbe8,#ffe7a8)}
.travel:active{transform:translateY(2px);box-shadow:0 2px 0 #8a4a0a}
@keyframes beckon{50%{box-shadow:0 4px 0 #8a4a0a,0 0 0 7px rgba(255,220,120,0)}0%{box-shadow:0 4px 0 #8a4a0a,0 0 0 0 rgba(255,220,120,.55)}}
.continue-slot{min-height:44px;display:flex}
.continue{flex:1;display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:12px;border:1.5px solid var(--edge-dim);background:rgba(255,255,255,.06);text-align:left;font-size:13.5px}
.continue b{color:var(--gold-hi)}
.continue.empty{color:var(--ink-dim);font-style:italic;border-style:dashed;cursor:default}

/* ── footer ─────────────────────────────────────────── */
.foot{display:flex;justify-content:space-between;gap:16px;padding:7px 18px;font-size:12px;color:var(--ink);background:rgba(28,14,48,.86);border-top:1px solid var(--edge-dim)}
.others a{color:var(--gold-hi)}
.others a[aria-current]{text-decoration:none;font-weight:700}

/* ── help ───────────────────────────────────────────── */
.help{position:fixed;inset:0;z-index:40;display:grid;place-items:center;background:rgba(18,8,30,.6);backdrop-filter:blur(3px)}
.help-card{width:min(440px,92vw);padding:22px 24px;border-radius:20px;background:var(--plaque-2);border:2px solid var(--edge);animation:swap .25s}
.help h2{margin:0 0 12px;font-size:26px}
.help dl{display:grid;grid-template-columns:auto 1fr;gap:9px 16px;margin:0 0 16px;align-items:center}
.help dt{font:700 13px/1 var(--ui);color:#3a2206;background:linear-gradient(#fff4c6,#f2c55a);border-radius:7px;padding:5px 8px;text-align:center;box-shadow:0 2px 0 #7a4308}
.help dd{margin:0;color:var(--ink)}
.help-close{border:1.5px solid var(--edge);background:none;border-radius:10px;padding:8px 12px;display:flex;gap:8px;align-items:center}

/* ── portal flight overlay ──────────────────────────── */
.fly{position:fixed;z-index:50;pointer-events:none;overflow:hidden}
.fly .loop{position:absolute;left:50%;top:50%;width:22px;height:22px;margin:-11px;border-radius:50%;
  background:radial-gradient(circle,#fffbe0 0 25%,#ffe36b 45%,transparent 70%);box-shadow:0 0 22px 8px rgba(255,226,120,.6)}
body.leaving .stage{filter:brightness(1.15) saturate(1.1)}

/* ── small screens: stacked, scrollable ─────────────── */
@media (max-width:767px){
  html,body{height:auto;overflow:auto}
  body{display:block}
  .top{grid-template-columns:1fr auto;gap:10px}
  .thesis{grid-column:1/-1;grid-row:2;font-size:14px;justify-self:start;text-align:left}
  .gems{display:none}
  .hub{grid-template-columns:1fr;padding:10px}
  .stage{height:78vw;min-height:250px}
  .plate{padding:2px}
  .plate span{display:none}
  .arrow-hint,.terrace-sign{display:none}
  .foot{flex-direction:column}
}
@media (min-width:768px) and (max-width:1100px){
  .hub{grid-template-columns:minmax(0,1fr) 300px}
  .thesis{font-size:14px}
  .place-blurb{font-size:13.5px}
  .travel{font-size:14.5px;padding:12px 10px;white-space:nowrap}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

.along{align-self:start;display:grid;gap:7px;padding:10px 12px;border-radius:12px;background:rgba(0,0,0,.22);border:1px solid var(--edge-dim)}
.along-label{font:800 10.5px/1 var(--ui);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-dim)}
.route-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:5px 6px;font-size:13px}
.route-list li{display:flex;align-items:center;gap:5px;color:var(--ink-dim)}
.route-list li.here{color:var(--gold-hi);font-weight:800}
.route-list li.here kbd{box-shadow:0 2px 0 #7a4308,0 0 0 2px var(--gold-hi)}
.route-list li.lit span::after{content:" ✦";color:var(--route)}
.route-list .sep{color:var(--edge)}
.head{display:flex;flex-direction:column;justify-content:flex-end;gap:4px;min-height:calc(11px*1.3 + 4px + 2.25em*1.1*1.05)}
.head .place-title{font-size:clamp(22px,3.2vh,28px)}
.panel,.swap{grid-template-columns:minmax(0,1fr)}
.panel>*,.swap>*{min-width:0}