/* astrobalaji.io · Open Night
   Two light sources only: red safelight for wayfinding and actions, starlight white for content. */
:root{
  --night:#070a14; --night-2:#0c1120; --night-3:#121a2e; --twilight:#1d2740;
  --sheet:rgba(9,13,25,.94);
  --hair:rgba(236,232,220,.13); --hair-2:rgba(236,232,220,.24);
  --star:#ece8dc; --star-2:#c9c5ba; --dim:#959aa6;
  --safelight:#c4342a; --safelight-hi:#ad2a21; --safelight-text:#ff7d6e; --safelight-glow:rgba(214,58,47,.35);
  --on-safelight:#fff7f2;
  --display:'Barlow Condensed','Arial Narrow',system-ui,sans-serif;
  --body:'Atkinson Hyperlegible',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease-out:cubic-bezier(.23,1,.32,1); --ease-in-out:cubic-bezier(.77,0,.175,1); --ease-drawer:cubic-bezier(.32,.72,0,1);
  --r-sm:8px; --r-md:12px; --r-lg:16px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--night);color:var(--star);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
::selection{background:var(--safelight);color:var(--on-safelight)}
a{color:var(--safelight-text);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--safelight-text);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.01em;line-height:1.05;text-wrap:balance;margin:0}
.num,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
*{scrollbar-width:thin;scrollbar-color:var(--hair-2) transparent}
::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--hair-2);border-radius:8px}::-webkit-scrollbar-track{background:transparent}
.icon{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;min-height:44px;padding:.6rem 1rem;border-radius:var(--r-sm);
  border:1px solid var(--hair-2);background:transparent;color:var(--star);font-family:var(--body);font-weight:700;font-size:.95rem;
  text-decoration:none;transition:transform 160ms var(--ease-out),background-color 160ms ease,border-color 160ms ease,color 160ms ease}
.btn:active{transform:scale(.97)}
@media (hover:hover) and (pointer:fine){.btn:hover{border-color:var(--safelight-text);color:#fff}}
.btn.primary{background:var(--safelight);border-color:var(--safelight);color:var(--on-safelight)}
@media (hover:hover) and (pointer:fine){.btn.primary:hover{background:var(--safelight-hi);border-color:var(--safelight-hi)}}
.btn.quiet{border-color:transparent;padding-inline:.4rem;color:var(--star-2)}
.btn.icon-only{padding:.5rem;width:44px;justify-content:center}
.btn[aria-disabled="true"]{opacity:.5;pointer-events:none}
.textlink{background:none;border:0;padding:0;color:var(--safelight-text);font-weight:700;display:inline-flex;align-items:center;gap:.35rem;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}

/* ---------- 3D scene ---------- */
body.night{overflow:hidden;height:100vh;height:100dvh;touch-action:none;background:linear-gradient(180deg,#121a35 0%,#2a2a45 62%,#3a2f40 70%,#070a14 71%)}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;outline:none}
body.night.fallback{background:var(--night) center/cover no-repeat;background-image:linear-gradient(rgba(7,10,20,.55),rgba(7,10,20,.85)),url("astro/m42-orion-sm.webp")}

/* HUD layer */
.hud-layer{position:fixed;inset:0;pointer-events:none;z-index:3;
  padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}
.hud-layer > *{pointer-events:auto}
body.welcoming .hud-layer .hint{opacity:0;pointer-events:none}
.programme,.skyclock,.gb-tag,.hint{transition:opacity 400ms var(--ease-out)}

/* programme card: the menu */
.programme{position:absolute;top:max(16px,env(safe-area-inset-top));left:max(16px,env(safe-area-inset-left));width:268px;
  background:var(--sheet);border:1px solid var(--hair);border-radius:var(--r-md);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.programme summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.75rem .9rem;cursor:pointer;min-height:44px}
.programme summary::-webkit-details-marker{display:none}
.programme .p-title{font-family:var(--display);font-weight:700;font-size:1.15rem;letter-spacing:.01em;line-height:1.1}
.programme .p-count{font-family:var(--mono);font-size:.8rem;color:var(--star-2)}
.programme .p-count b{color:var(--safelight-text);font-weight:500}
.programme .chev{transition:transform 200ms var(--ease-out)}
.programme[open] .chev{transform:rotate(180deg)}
.programme ol{list-style:none;margin:0;padding:0 .45rem .55rem;max-height:calc(100dvh - 150px);overflow:auto}
.programme .place{font-size:.78rem;color:var(--dim);padding:.55rem .5rem .2rem;letter-spacing:.02em}
.programme button.stop{width:100%;display:flex;align-items:center;gap:.65rem;text-align:left;background:transparent;border:0;border-radius:var(--r-sm);padding:.45rem .5rem;min-height:40px;font-size:.92rem;color:var(--star-2);transition:background-color 160ms ease,color 160ms ease}
@media (hover:hover) and (pointer:fine){.programme button.stop:hover{background:rgba(236,232,220,.06);color:var(--star)}}
.programme button.stop:active{transform:scale(.98)}
.programme .tick{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--hair-2);flex:none;display:grid;place-items:center}
.programme .tick svg{width:10px;height:10px;stroke:var(--on-safelight);stroke-width:3;fill:none;opacity:0}
.programme .visited .tick{background:var(--safelight);border-color:var(--safelight)}
.programme .visited .tick svg{opacity:1}
.programme .visited{color:var(--star)}

/* sky clock */
.skyclock{position:absolute;top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right));text-align:right;
  text-shadow:0 1px 12px rgba(0,0,0,.8)}
.skyclock .time{font-family:var(--mono);font-size:1.6rem;font-weight:500;letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}
.skyclock .stage{font-size:.9rem;color:var(--star-2);margin-top:.3rem}
.skyclock .sun{font-family:var(--mono);font-size:.75rem;color:var(--dim)}

/* guestbook tag: always reachable */
.gb-tag{position:absolute;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));
  box-shadow:0 10px 28px rgba(0,0,0,.5),0 0 0 0 var(--safelight-glow)}
.gb-tag.nudge{animation:nudge 1.6s var(--ease-out) 2}
@keyframes nudge{0%{box-shadow:0 10px 28px rgba(0,0,0,.5),0 0 0 0 rgba(214,58,47,.55)}100%{box-shadow:0 10px 28px rgba(0,0,0,.5),0 0 0 18px rgba(214,58,47,0)}}

.hint{position:absolute;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:.9rem;align-items:center;
  font-size:.85rem;color:var(--star-2);background:rgba(7,10,20,.7);border:1px solid var(--hair);border-radius:var(--r-sm);padding:.45rem .8rem;white-space:nowrap}
.hint.gone{opacity:0;pointer-events:none}
kbd{font-family:var(--mono);font-size:.75rem;color:var(--star);border:1px solid var(--hair-2);border-bottom-width:2px;border-radius:5px;padding:0 .3rem;line-height:1.5}

/* reticle + cue */
.reticle{position:fixed;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:rgba(236,232,220,.7);
  box-shadow:0 0 0 1.5px rgba(0,0,0,.45);z-index:2;pointer-events:none;transition:transform 160ms var(--ease-out),background-color 160ms ease}
.reticle.on{transform:scale(2);background:var(--safelight-text)}
body.touch .reticle,body.welcoming .reticle{display:none}
.cue{position:fixed;left:50%;top:calc(50% + 28px);transform:translate(-50%,4px);z-index:2;pointer-events:none;opacity:0;
  display:flex;align-items:center;gap:.55rem;background:rgba(7,10,20,.82);border:1px solid rgba(214,58,47,.7);border-radius:var(--r-sm);padding:.4rem .75rem;
  font-size:.95rem;white-space:nowrap;transition:opacity 160ms ease,transform 200ms var(--ease-out)}
.cue.show{opacity:1;transform:translate(-50%,0)}
.cue kbd{background:var(--safelight);border-color:var(--safelight);color:var(--on-safelight)}
.cue small{color:var(--dim);font-size:.8rem}
body.touch .cue{top:auto;bottom:calc(max(16px,env(safe-area-inset-bottom)) + 150px);pointer-events:auto}

/* touch controls */
.stick{position:fixed;left:max(20px,env(safe-area-inset-left));bottom:max(24px,env(safe-area-inset-bottom));width:116px;height:116px;border-radius:50%;
  border:1px solid var(--hair-2);background:rgba(7,10,20,.45);z-index:3;display:none;touch-action:none}
.stick i{position:absolute;left:50%;top:50%;width:48px;height:48px;margin:-24px 0 0 -24px;border-radius:50%;background:rgba(236,232,220,.2);border:1px solid rgba(236,232,220,.45)}
body.touch .stick{display:block}
body.touch .gb-tag{bottom:calc(max(16px,env(safe-area-inset-bottom)) + 4px)}
body.touch.welcoming .stick{display:none}

/* toast */
.toast{position:fixed;top:max(18px,env(safe-area-inset-top));left:50%;z-index:6;transform:translate(-50%,-8px);opacity:0;pointer-events:none;
  background:var(--sheet);border:1px solid var(--hair-2);border-radius:var(--r-md);padding:.65rem 1rem;font-size:.95rem;max-width:min(520px,calc(100vw - 32px));
  box-shadow:0 12px 32px rgba(0,0,0,.45);transition:opacity 200ms ease,transform 300ms var(--ease-out)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- welcome ---------- */
.welcome{position:fixed;z-index:4;left:max(24px,env(safe-area-inset-left));bottom:max(24px,env(safe-area-inset-bottom));width:min(560px,calc(100vw - 48px));
  transition:opacity 300ms var(--ease-out),transform 400ms var(--ease-out)}
.welcome.gone{opacity:0;transform:translateY(12px);pointer-events:none}
.welcome h1{font-size:clamp(2.6rem,6.2vw,4.75rem);line-height:.92;letter-spacing:-.015em;text-shadow:0 2px 24px rgba(0,0,0,.6)}
.welcome .lede{font-size:1.1rem;max-width:44ch;margin:1rem 0 0;color:var(--star);text-shadow:0 1px 12px rgba(0,0,0,.85)}
.welcome .who{font-size:1rem;color:var(--star-2);margin:.6rem 0 0;text-shadow:0 1px 10px rgba(0,0,0,.85)}
.welcome .row{margin-top:1.4rem}
.welcome .keys-line{font-size:.85rem;color:var(--star-2);margin:1rem 0 0;text-shadow:0 1px 8px rgba(0,0,0,.9)}
.welcome .keys-line span{display:inline-block;margin:0 1rem .3rem 0}
.welcome .status{font-size:.85rem;color:var(--dim);margin:.6rem 0 0;min-height:1.3em}
.welcome::before{content:"";position:absolute;inset:-48px -64px -48px -48px;z-index:-1;pointer-events:none;
  background:radial-gradient(closest-side,rgba(7,10,20,.72),rgba(7,10,20,0))}

/* ---------- sheet (stop content) ---------- */
.sheet-wrap{position:fixed;inset:0;z-index:5;pointer-events:none}
.sheet-wrap .scrim{position:absolute;inset:0;background:rgba(3,5,10,.35);opacity:0;transition:opacity 240ms ease}
.sheet-wrap.open{pointer-events:auto}
.sheet-wrap.open .scrim{opacity:1}
.sheet{position:absolute;top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));width:min(520px,calc(100vw - 24px));
  background:var(--sheet);border:1px solid var(--hair);border-radius:var(--r-lg);box-shadow:0 24px 64px rgba(0,0,0,.55);
  display:flex;flex-direction:column;transform:translateX(calc(100% + 24px));transition:transform 360ms var(--ease-drawer);outline:none}
.sheet-wrap.open .sheet{transform:none}
.sheet-head{display:flex;justify-content:flex-end;align-items:center;gap:1rem;padding:.75rem .75rem 0 1.5rem}
.sheet-body{overflow:auto;padding:.5rem 1.5rem 1.75rem;overscroll-behavior:contain}
.sheet-body h2{font-size:2.4rem;margin:.25rem 0 1rem}
.sheet-body h3{font-size:1.3rem}
.sheet-body p{margin:0 0 1rem;color:var(--star-2);max-width:62ch}
.sheet-body p.lead{color:var(--star);font-size:1.05rem}
.sheet-foot{border-top:1px solid var(--hair);padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.sheet-foot p{margin:0;color:var(--star-2);font-size:.92rem;max-width:34ch}
@media (max-width:640px){
  .sheet{top:auto;left:0;right:0;bottom:0;width:100%;max-height:88dvh;border-radius:var(--r-lg) var(--r-lg) 0 0;transform:translateY(calc(100% + 24px));border-bottom:0;
    padding-bottom:env(safe-area-inset-bottom)}
  .sheet-body h2{font-size:2rem}
}

/* content parts */
.about-head{display:flex;gap:1rem;align-items:center;margin:.25rem 0 1rem}
.about-head h2{margin:0}
.avatar{width:84px;height:84px;border-radius:50%;object-fit:cover;flex:none;box-shadow:0 0 0 1px var(--hair-2),0 8px 24px rgba(0,0,0,.4)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;margin:1.25rem 0 0;background:var(--hair);border:1px solid var(--hair);border-radius:var(--r-md);overflow:hidden}
.facts div{background:var(--night-2);padding:.75rem .9rem}
.facts dt{font-size:.8rem;color:var(--dim)}
.facts dd{margin:.15rem 0 0;font-size:.95rem}
.timeline{list-style:none;margin:0;padding:0}
.timeline > li{display:grid;grid-template-columns:7.5rem 1fr;gap:1rem;padding:1rem 0;border-top:1px solid var(--hair)}
.timeline > li:first-child{border-top:0;padding-top:.25rem}
.timeline .when{font-family:var(--mono);font-size:.8rem;color:var(--star-2);padding-top:.3rem;font-variant-numeric:tabular-nums}
.timeline h3{font-size:1.25rem}
.timeline .meta{font-size:.9rem;color:var(--dim);margin:.15rem 0 .45rem}
.timeline ul{margin:0;padding-left:1.1rem;color:var(--star-2);font-size:.95rem}
.timeline ul li{margin:.2rem 0}
@media (max-width:520px){.timeline > li{grid-template-columns:1fr;gap:.25rem}}
.subhead{font-size:1.25rem;margin:1.75rem 0 .6rem}
.edu{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.edu li{display:flex;flex-wrap:wrap;gap:.25rem .6rem;align-items:baseline}
.edu span{color:var(--dim)}
.cards{display:grid;gap:0}
.card{padding:1.1rem 0;border-top:1px solid var(--hair)}
.card:first-child{border-top:0;padding-top:.25rem}
.card h3{font-size:1.3rem}
.card h3 a{color:var(--star);text-decoration:none;display:inline-flex;gap:.35rem;align-items:center}
.card h3 a:hover{color:#fff;text-decoration:underline}
.card .meta{font-size:.9rem;color:var(--dim);margin:.15rem 0 .5rem}
.card p{margin:0 0 .6rem;color:var(--star-2)}
.tags,.chips{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:.8rem;color:var(--star-2);border:1px solid var(--hair);border-radius:6px;padding:.1rem .5rem}
.chip{font-size:.92rem;border:1px solid var(--hair-2);border-radius:var(--r-sm);padding:.3rem .65rem}
.skill-group{margin:0 0 1.25rem}
.skill-group h3{font-size:1.15rem;margin:0 0 .5rem}

/* ---------- telescope viewer ---------- */
.viewer{position:fixed;inset:0;z-index:7;background:#020307;display:grid;grid-template-columns:minmax(0,1fr) 400px;grid-template-rows:minmax(0,1fr) auto;
  opacity:0;pointer-events:none;transition:opacity 260ms ease}
.viewer.open{opacity:1;pointer-events:auto}
.viewer .stage{position:relative;grid-row:1;grid-column:1;display:grid;place-items:center;overflow:hidden;padding:24px}
.viewer .stage img{max-width:100%;max-height:100%;object-fit:contain;display:block;border-radius:4px;
  transition:filter 700ms var(--ease-out),clip-path 900ms var(--ease-out),transform 900ms var(--ease-out)}
.viewer .stage img.racking{filter:blur(14px) brightness(.8);clip-path:circle(18% at 50% 50%);transform:scale(1.04)}
.viewer .stage .credit{position:absolute;left:24px;bottom:12px;font-size:.8rem;color:var(--dim)}
.viewer .info{grid-row:1/3;grid-column:2;border-left:1px solid var(--hair);background:var(--night-2);overflow:auto;padding:1.25rem 1.5rem 1.5rem;display:flex;flex-direction:column}
.viewer .info .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}
.viewer .info .count{font-family:var(--mono);font-size:.8rem;color:var(--dim)}
.viewer .info h2{font-size:2.5rem;line-height:.95}
.viewer .info .cat{color:var(--star-2);margin:.4rem 0 1rem;font-size:.95rem}
.viewer .info dl{display:grid;grid-template-columns:auto 1fr;gap:.35rem 1rem;margin:0 0 1.1rem;font-size:.92rem}
.viewer .info dt{color:var(--dim)}
.viewer .info dd{margin:0}
.viewer .info p{color:var(--star-2);margin:0 0 1rem}
.viewer .info h3{font-size:1.15rem;margin:.5rem 0 .5rem}
.viewer .info ol{margin:0 0 1.25rem;padding-left:1.25rem;color:var(--star)}
.viewer .info ol li{margin:0 0 .6rem;padding-left:.2rem}
.viewer .info ol li::marker{font-family:var(--mono);color:var(--dim)}
.viewer .info .ask{margin-top:auto;border-top:1px solid var(--hair);padding-top:1rem}
.viewer .info .ask p{font-size:.92rem}
.viewer .strip{grid-row:2;grid-column:1;display:flex;gap:8px;padding:0 24px 16px;overflow-x:auto;align-items:center}
.viewer .strip button{flex:none;border:0;padding:0;background:none;border-radius:6px;opacity:.55;transition:opacity 160ms ease,transform 160ms var(--ease-out);outline-offset:2px}
.viewer .strip button:active{transform:scale(.96)}
.viewer .strip button[aria-current="true"]{opacity:1;box-shadow:0 0 0 2px var(--safelight)}
@media (hover:hover) and (pointer:fine){.viewer .strip button:hover{opacity:.9}}
.viewer .strip img{display:block;height:56px;width:auto;border-radius:6px}
.viewer .nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(7,10,20,.6)}
.viewer .nav.prev{left:12px}.viewer .nav.next{right:12px}
@media (max-width:900px){
  .viewer{display:block;overflow:auto;overscroll-behavior:contain}
  .viewer .stage{display:block;padding:64px 12px 28px;overflow:visible}
  .viewer .stage img{margin:0 auto;max-height:52dvh;width:auto;max-width:100%}
  .viewer .stage .credit{left:12px;bottom:6px}
  .viewer .strip{grid-row:2;padding:4px 12px 12px}
  .viewer .info{grid-row:3;grid-column:1;border-left:0;border-top:1px solid var(--hair);overflow:visible}
  .viewer .info .top{position:fixed;top:max(8px,env(safe-area-inset-top));left:12px;right:12px;z-index:2}
  .viewer .nav{display:none}
}

/* ---------- guestbook ---------- */
.reasons{display:flex;flex-wrap:wrap;gap:8px;margin:.25rem 0 1rem}
.reasons button{min-height:40px;border:1px solid var(--hair-2);background:transparent;border-radius:999px;padding:.35rem .9rem;font-size:.92rem;color:var(--star-2);
  transition:background-color 160ms ease,border-color 160ms ease,color 160ms ease,transform 160ms var(--ease-out)}
.reasons button:active{transform:scale(.97)}
.reasons button[aria-pressed="true"]{background:var(--safelight);border-color:var(--safelight);color:var(--on-safelight)}
.letter label{display:block;font-size:.85rem;color:var(--dim);margin:.75rem 0 .3rem}
.letter input,.letter textarea{width:100%;background:var(--night);border:1px solid var(--hair-2);border-radius:var(--r-sm);color:var(--star);font:inherit;font-size:.95rem;padding:.6rem .7rem;caret-color:var(--safelight-text)}
.letter textarea{min-height:200px;resize:vertical;line-height:1.5}
.letter input:focus,.letter textarea:focus{outline:2px solid var(--safelight-text);outline-offset:1px;border-color:transparent}
.letter .row{margin-top:1rem}
.address{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin:1.25rem 0 0;padding:.75rem .9rem;border:1px solid var(--hair);border-radius:var(--r-md);background:var(--night-2)}
.address .mail{font-family:var(--mono);font-size:.9rem;user-select:all;word-break:break-all;flex:1 1 220px}
.copied{color:var(--safelight-text);font-size:.85rem}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

/* ---------- orbit page (shared HUD bits) ---------- */
.game .hud{position:fixed;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-start;padding:16px 20px;pointer-events:none;z-index:2}
.game .hud > *{pointer-events:auto}
.brand h1{font-size:1.5rem}
.brand p{margin:.15rem 0 0;color:var(--star-2);font-size:.9rem}
.hud-right{display:flex;gap:.6rem;align-items:center}
.counter{font-family:var(--mono);font-size:.85rem;color:var(--star-2);font-variant-numeric:tabular-nums}
.counter b{color:var(--safelight-text);font-weight:500}
body.game .hint{position:fixed;transform:translateX(-50%)}
.prompt{position:fixed;z-index:3;transform:translate(-50%,-100%);font-size:.85rem;background:var(--safelight);color:var(--on-safelight);
  padding:.3rem .6rem;border-radius:var(--r-sm);pointer-events:none;opacity:0;transition:opacity 160ms ease;white-space:nowrap}
.prompt.show{opacity:1}
#space{position:fixed;inset:0;width:100%;height:100%;display:block}
body.game{overflow:hidden;height:100vh;height:100dvh;touch-action:none}
.overlay{position:fixed;inset:0;background:rgba(3,5,10,.55);display:none;align-items:center;justify-content:center;z-index:5;padding:20px}
.overlay.open{display:flex}
.panel{background:var(--sheet);border:1px solid var(--hair-2);border-radius:var(--r-lg);width:min(640px,100%);max-height:min(84vh,760px);overflow:auto;
  padding:24px 28px 28px;position:relative;box-shadow:0 24px 64px rgba(0,0,0,.55)}
.panel h2{font-size:2.2rem;margin:.2rem 0 1rem}
.panel p{color:var(--star-2);margin:0 0 .9rem}
.panel .close{position:absolute;top:12px;right:12px}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.contact-list a{display:flex;justify-content:space-between;gap:1rem;border:1px solid var(--hair);border-radius:var(--r-md);padding:.8rem 1rem;color:var(--star);text-decoration:none}
.contact-list a:hover{border-color:var(--safelight-text)}
.contact-list span{font-family:var(--mono);font-size:.8rem;color:var(--star-2)}
.menu-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.menu-list button{width:100%;text-align:left;background:transparent;border:1px solid var(--hair);border-radius:var(--r-md);padding:.85rem 1rem;display:flex;align-items:center;gap:.8rem;font-size:1rem}
.menu-list button:hover,.menu-list button:focus-visible{border-color:var(--safelight-text)}
.dot{width:12px;height:12px;border-radius:50%;flex:none}
@media (max-width:640px){.long{display:none}.game .hud{padding:12px}.brand p{display:none}}

/* ---------- Data Lab page ---------- */
body.lab{min-height:100vh;background:var(--night)}
.lab-bg{position:fixed;inset:0;z-index:-1;background:linear-gradient(180deg,#0b1122 0%,var(--night) 55%)}
.wrap{max-width:1120px;margin:0 auto;padding:0 max(20px,env(safe-area-inset-right)) 0 max(20px,env(safe-area-inset-left))}
.lab-nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0;gap:1rem;flex-wrap:wrap}
.lab-nav .logo{font-family:var(--display);font-weight:700;font-size:1.25rem;color:var(--star);text-decoration:none;display:inline-flex;gap:.5rem;align-items:center}
.lab-nav .logo img{width:28px;height:28px}
.lab-hero{padding:40px 0 16px}
.lab-hero h1{font-size:clamp(2.8rem,7vw,5.5rem);line-height:.92;letter-spacing:-.015em;max-width:17ch}
.lab-hero h1 em{font-style:normal;color:var(--star-2)}
.lab-hero p{max-width:62ch;color:var(--star-2);font-size:1.08rem;margin:1.1rem 0}
.mission{border-top:1px solid var(--hair-2);padding:40px 0 48px}
.mission-head{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:flex-end;margin-bottom:20px}
.mission h2{font-size:clamp(2rem,4vw,2.8rem)}
.mission .lede{color:var(--star-2);max-width:66ch;margin:.6rem 0 0}
.mission-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}
.plot{width:100%;aspect-ratio:16/10;border:1px solid var(--hair);border-radius:var(--r-md);background:#04060d;display:block;touch-action:none}
.controls{display:flex;flex-direction:column;gap:16px}
.control label{display:flex;justify-content:space-between;font-size:.9rem;color:var(--star-2);margin-bottom:6px}
.control label b{font-family:var(--mono);color:var(--star);font-weight:500;font-variant-numeric:tabular-nums}
input[type=range]{width:100%;accent-color:var(--safelight);min-height:28px}
.readout{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hair);border:1px solid var(--hair);border-radius:var(--r-md);overflow:hidden}
.stat{background:var(--night-2);padding:.6rem .75rem}
.stat span{display:block;font-size:.8rem;color:var(--dim)}
.stat b{font-family:var(--mono);font-size:1.25rem;font-weight:500;font-variant-numeric:tabular-nums}
.meter{height:6px;border-radius:6px;background:var(--hair);overflow:hidden}
.meter i{display:block;height:100%;background:var(--safelight);width:0;transition:width 240ms var(--ease-out)}
.result{font-size:.95rem;color:var(--star-2);min-height:2.6em;margin:0}
.result.win{color:var(--star)}
.result.win::before{content:"Solved. ";color:var(--safelight-text);font-weight:700}
.seg{display:flex;border:1px solid var(--hair-2);border-radius:var(--r-sm);overflow:hidden}
.seg button{background:transparent;border:0;padding:.5rem .75rem;min-height:40px;font-family:var(--mono);font-size:.85rem;color:var(--star-2)}
.seg button.on{background:var(--safelight);color:var(--on-safelight)}
.lab-close{border-top:1px solid var(--hair-2);padding:48px 0 32px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1.5rem;align-items:end}
.lab-close h2{font-size:clamp(2rem,4vw,3rem);max-width:16ch}
.lab-close p{color:var(--star-2);max-width:56ch;margin:.75rem 0 0}
.lab-foot{padding:24px 0 48px;color:var(--dim);font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
@media (max-width:860px){.mission-body{grid-template-columns:1fr}.lab-close{grid-template-columns:1fr}}

@media (max-width:640px){
  .programme{width:auto;right:auto;max-width:calc(100vw - 32px - 120px)}
  .skyclock .time{font-size:1.25rem}
  .skyclock .sun{display:none}
  .hint{display:none}
  .welcome{left:16px;right:16px;bottom:calc(max(16px,env(safe-area-inset-bottom)) + 64px);width:auto}
  .welcome .keys-line{display:none}
  .welcome h1{font-size:2.5rem}
  .welcome .lede{font-size:1rem;margin-top:.75rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:1ms!important;animation:none!important}
  .viewer .stage img.racking{filter:none;clip-path:none;transform:none}
}
body.game .toast{top:calc(max(16px,env(safe-area-inset-top)) + 64px)}