/* ============================================================
   /explore/ — 3D campus explorer
   One full-viewport scene with the interface laid over it, the way a game
   HUD sits over the world. Tokens come from ../assets/css/tokens.css.
   ============================================================ */
@font-face{font-family:'Chakra Petch';font-style:normal;font-weight:600;font-display:swap;src:url(../assets/fonts/ChakraPetch-600-thai.woff2) format('woff2');unicode-range:U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:'Chakra Petch';font-style:normal;font-weight:600;font-display:swap;src:url(../assets/fonts/ChakraPetch-600-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:'Chakra Petch';font-style:normal;font-weight:700;font-display:swap;src:url(../assets/fonts/ChakraPetch-700-thai.woff2) format('woff2');unicode-range:U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:'Chakra Petch';font-style:normal;font-weight:700;font-display:swap;src:url(../assets/fonts/ChakraPetch-700-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+2000-206F}

:root{
  --ink:var(--oh-ink);--ink-2:var(--oh-ink-2);--muted:var(--oh-muted);--line:var(--oh-line);--card:var(--oh-card);
  --green:var(--oh-green);--green-2:var(--oh-green-2);--green-l:var(--oh-green-l);--forest:var(--oh-forest);
  --gold:var(--oh-gold);--gold-d:var(--oh-gold-d);--gold-l:var(--oh-gold-l);
  --early:var(--oh-early);--primary:var(--oh-primary);--shared:var(--oh-shared);
  --sans:var(--oh-sans);--num:'Chakra Petch','IBM Plex Sans Thai',sans-serif;
  --glass:rgba(255,255,255,.82);--glass-b:rgba(255,255,255,.6);
  --topbar:56px;--bottom:64px;--gutter:16px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:#edf1e8;color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.55;overflow:hidden;-webkit-tap-highlight-color:transparent}
button{font:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}
img{max-width:100%}
[hidden]{display:none!important}

/* ---------- top bar ---------- */
.topbar{position:fixed;inset:0 0 auto 0;z-index:40;height:calc(var(--topbar) + env(safe-area-inset-top));padding:env(safe-area-inset-top) var(--gutter) 0;
  display:flex;align-items:center;gap:10px;background:var(--glass);backdrop-filter:blur(10px);border-bottom:1px solid var(--glass-b)}
.brand{display:flex;align-items:center;gap:9px;min-width:0}
.brand img{width:34px;height:34px;object-fit:contain}
.brand b{display:block;font-size:.9rem;font-weight:700;line-height:1.2}
.brand small{display:block;font-size:.68rem;color:var(--muted);letter-spacing:.04em}
.tabs{display:flex;gap:2px;margin-left:auto;padding:3px;border-radius:99px;background:rgba(19,37,27,.06)}
.tabs button{border:0;border-radius:99px;padding:10px 12px;min-height:42px;background:none;color:var(--ink-2);font-size:.82rem;font-weight:600;display:inline-flex;align-items:center;gap:5px}
.tabs button i{font-size:1rem}
.tabs button[aria-selected="true"]{background:var(--forest);color:#fff}
.btn-reg{flex:none;padding:8px 14px;border-radius:99px;background:var(--gold);color:#3B2A05;font-weight:700;font-size:.84rem}
@media(max-width:560px){.brand small{display:none}.brand b{white-space:nowrap}.tabs button span,.tabs button{font-size:.78rem;padding:10px 9px;white-space:nowrap}.btn-reg{display:none}}
/* the narrowest phones: keep every bar to one line */
@media(max-width:380px){.brand b{font-size:.84rem}.brand img{width:30px;height:30px}.tabs button{font-size:.72rem;padding:10px 7px;gap:3px}.tabs button i{font-size:.9rem}}

/* ---------- the stage ---------- */
.atlas{position:relative;height:100dvh;overflow:hidden}
/* the sky: lighter where the campus sits, darker towards the edges, so the
   model reads as lit from above and the corners fall away */
.stage{position:absolute;inset:0;background:radial-gradient(130% 95% at 50% 32%,#f7f9f3 0%,#eef2e9 38%,#e2e8dd 72%,#d3dccf 100%)}
.stage canvas{display:block;width:100%;height:100%}
.poster{position:absolute;inset:0;z-index:5;display:grid;place-items:center;background:#edf1e8;transition:opacity .6s ease}
.poster img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 40%;filter:blur(14px) saturate(.9);opacity:.55;transform:scale(1.06)}
.poster.gone{opacity:0;pointer-events:none}
.ring{position:relative;width:88px;height:88px;display:grid;place-items:center;border-radius:50%;background:var(--glass);box-shadow:0 10px 30px -12px rgba(15,42,28,.4)}
.ring svg{position:absolute;inset:8px;width:72px;height:72px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke:var(--line);stroke-width:4}
.ring .arc{stroke:var(--green);stroke-linecap:round;stroke-dasharray:119.4;stroke-dashoffset:119.4;transition:stroke-dashoffset .25s ease}
.ring span{font-family:var(--num);font-weight:700;font-size:.9rem;color:var(--green)}
.ring .err{font-size:.8rem;color:#B42318;text-align:center;padding:0 6px}

/* ---------- copy over the scene ---------- */
/* On a phone the heading is three short lines so the campus gets the screen;
   the explanatory lede only appears where there is room for it. */
.heading{position:absolute;z-index:6;left:var(--gutter);right:var(--gutter);top:calc(var(--topbar) + env(safe-area-inset-top) + 10px);pointer-events:none}
.eyebrow{margin:0 0 2px;font-family:var(--num);font-size:.68rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--green)}
.eyebrow span{margin-left:8px;color:var(--muted)}
.heading h1{margin:0;font-size:clamp(1.4rem,5.6vw,1.7rem);line-height:1.2;font-weight:800;color:var(--forest);letter-spacing:-.01em;text-shadow:0 2px 18px rgba(237,241,232,.9);white-space:nowrap}
.lede{display:none;margin:8px 0 0;max-width:34ch;font-size:.9rem;color:var(--ink-2);text-shadow:0 1px 12px rgba(237,241,232,.95)}
.eventline{margin:6px 0 0;display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.74rem;color:var(--ink-2);text-shadow:0 1px 10px rgba(237,241,232,.95)}
.eventline .ev{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.eventline i{color:var(--green);font-size:.9rem}
.eventline b{font-family:var(--num);font-weight:700;color:var(--forest);font-size:.82rem}
@media(min-width:900px){
  .heading{left:32px;top:calc(var(--topbar) + 36px);max-width:440px}
  .eyebrow{font-size:.72rem;margin-bottom:4px}
  .heading h1{font-size:3rem;line-height:1.12;white-space:normal}.h1-br{display:block;height:0}
  .lede{display:block;font-size:1rem}
  .eventline{margin-top:12px;gap:6px 16px;font-size:.84rem}.eventline b{font-size:.98rem}
}

/* ---------- station dock (phone) / column (desktop) ----------
   Tabs are the event plan's three groups; a tab filters the list and dims
   the other pins on the map, so the map and the list always agree. */
.rail{position:absolute;z-index:6;left:0;right:0;bottom:calc(var(--bottom) + env(safe-area-inset-bottom));padding:10px 0 8px;pointer-events:none;
  background:linear-gradient(to top,rgba(242,246,241,.92) 0%,rgba(242,246,241,.72) 60%,rgba(242,246,241,0) 100%)}
.rail-tabs{display:flex;gap:2px;margin:0 var(--gutter) 8px;padding:3px;border-radius:99px;background:rgba(19,37,27,.07);pointer-events:auto}
.rail-tabs button{--c:var(--forest);flex:1;min-height:34px;padding:0 4px;border:0;border-radius:99px;background:none;color:var(--ink-2);font-size:.76rem;font-weight:700;white-space:nowrap;transition:background .15s,color .15s}
.rail-tabs button[aria-selected="true"]{background:var(--c);color:#fff;box-shadow:0 4px 12px -6px var(--c)}
.rail-list{margin:0;padding:0 var(--gutter) 4px;list-style:none;display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;pointer-events:auto}
.rail-list::-webkit-scrollbar{display:none}
.rail-list li[hidden]{display:none}
.rail-list button{--c:var(--green);flex:none;scroll-snap-align:start;display:flex;align-items:center;gap:8px;width:196px;padding:6px 10px 6px 6px;border:1px solid var(--glass-b);border-radius:14px;
  background:rgba(255,255,255,.9);backdrop-filter:blur(8px);box-shadow:0 6px 16px -12px rgba(15,42,28,.5);text-align:left;color:var(--ink);transition:transform .15s,box-shadow .15s}
.rail-list button[aria-current="true"]{box-shadow:0 0 0 2px var(--c);background:#fff}
.rail-list button:active{transform:scale(.97)}
.rl-n{flex:none;width:24px;height:24px;border-radius:8px;background:var(--c);color:#fff;font-family:var(--num);font-weight:700;font-size:.72rem;display:grid;place-items:center}
.rl-n i{font-size:.82rem}
.rl-ic{flex:none;width:34px;height:34px;display:grid;place-items:center;color:var(--c);font-size:1.1rem}
.rl-ic img{width:34px;height:34px;object-fit:contain}
.rl-t{min-width:0}
.rl-t b{display:block;font-size:.8rem;font-weight:700;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rl-t small{display:block;font-size:.64rem;color:var(--muted);line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* with a sheet open the pins on the map are the way to the next station; the dock would only cover the building */
.atlas.has-sel .rail{opacity:0;pointer-events:none;transition:opacity .2s}
@media(min-width:900px){
  .rail{left:32px;right:auto;top:calc(var(--topbar) + 330px);bottom:calc(var(--bottom) + 24px);width:300px;padding:0;background:none;display:flex;flex-direction:column;transition:top .3s}
  .rail-tabs{margin:0 4px 10px 0}
  .rail-tabs button{font-size:.74rem;min-height:32px}
  .rail-list{flex:1;min-height:0;flex-direction:column;gap:6px;padding:0 4px 4px 0;overflow:auto;mask-image:linear-gradient(#000 88%,transparent)}
  .rail-list button{width:100%}
  .atlas.has-sel .rail{bottom:auto;opacity:1;pointer-events:auto}
}

/* ---------- mode panels (เวลา / เส้นทาง) ---------- */
.mode-panel{position:absolute;z-index:6;left:var(--gutter);right:var(--gutter);bottom:calc(var(--bottom) + env(safe-area-inset-bottom) + 12px);display:none;
  padding:12px 14px 10px;border-radius:18px;background:var(--glass);backdrop-filter:blur(10px);border:1px solid var(--glass-b);box-shadow:0 14px 34px -22px rgba(15,42,28,.6)}
.atlas[data-mode="clock"] .panel-clock{display:block}
.atlas:not([data-mode="explore"]) .rail,.atlas:not([data-mode="explore"]) .hint{display:none}
@media(max-width:899px){.atlas:not([data-mode="explore"]) .heading{opacity:0;pointer-events:none}}
.ck-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.ck-time b{font-family:var(--num);font-weight:700;font-size:2rem;line-height:1;color:var(--forest);letter-spacing:.02em}
.ck-time small{margin-left:4px;font-size:.8rem;color:var(--muted)}
.ck-btns{display:flex;gap:6px}
.ck-btns button{display:inline-flex;align-items:center;gap:5px;border:1.5px solid var(--line);border-radius:99px;padding:7px 12px;background:#fff;color:var(--forest);font-size:.8rem;font-weight:700}
.ck-btns #ckNow{border-color:var(--gold);color:var(--gold-d);background:var(--gold-l)}
#ckRange{--p:25%;width:100%;margin:10px 0 2px;-webkit-appearance:none;appearance:none;height:10px;border-radius:99px;outline:none;
  background:linear-gradient(90deg,var(--gold) var(--p),#D6E4D8 var(--p))}
#ckRange::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:3px solid var(--gold-d);box-shadow:0 3px 8px rgba(19,37,27,.3);cursor:pointer}
#ckRange::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:#fff;border:3px solid var(--gold-d);cursor:pointer}
.ck-ticks{display:flex;justify-content:space-between;font-family:var(--num);font-size:.62rem;color:var(--muted);padding:0 2px}
.ck-on{margin:8px 0 0;font-size:.8rem;color:var(--ink-2);min-height:1.3em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(min-width:900px){.mode-panel{left:32px;right:auto;width:380px;bottom:calc(var(--bottom) + 24px)}.atlas:not([data-mode="explore"]) .heading{opacity:1}}

/* ---------- intro ---------- */
.intro{position:fixed;inset:0;z-index:45;pointer-events:none}
.intro.out{opacity:0;transition:opacity .4s}
.intro-skip{position:absolute;right:var(--gutter);top:calc(var(--topbar) + env(safe-area-inset-top) + 12px);pointer-events:auto;min-height:44px;padding:0 16px;border:0;border-radius:99px;
  background:rgba(15,42,28,.78);color:#fff;font-weight:700;font-size:.86rem;display:inline-flex;align-items:center;gap:6px;backdrop-filter:blur(6px)}
.intro-card{position:absolute;left:var(--gutter);right:var(--gutter);bottom:calc(var(--bottom) + env(safe-area-inset-bottom) + 40px);text-align:center;opacity:0;transform:translateY(10px);transition:opacity .4s,transform .4s}
.intro-card.on{opacity:1;transform:none}
.intro-card b{display:block;font-size:clamp(1.5rem,5.6vw,2.6rem);font-weight:800;color:var(--forest);line-height:1.15;text-shadow:0 2px 20px rgba(237,241,232,.95)}
.intro-card small{display:block;margin-top:4px;font-family:var(--num);font-size:.8rem;letter-spacing:.08em;color:var(--green);text-shadow:0 1px 10px rgba(237,241,232,.95)}
.intro-bar{position:absolute;left:0;right:0;top:calc(var(--topbar) + env(safe-area-inset-top));height:3px;background:rgba(15,42,28,.12)}
.intro-bar i{display:block;height:100%;width:0;background:var(--gold)}
.atlas.intro-on .heading,.atlas.intro-on .rail,.atlas.intro-on .view-controls,.atlas.intro-on .hint,.atlas.intro-on .mode-panel,.atlas.intro-on .back-pill{opacity:0!important;pointer-events:none!important;transition:opacity .3s}
/* the hand that shows what a tap does: parked at the demo pin, presses once */
.intro-hand{position:absolute;left:0;top:0;width:0;height:0;opacity:0;transition:opacity .3s;will-change:transform}
.intro-hand.on{opacity:1}
.ih-finger{position:absolute;left:6px;top:10px;font-size:40px;line-height:1;filter:drop-shadow(0 4px 8px rgba(15,42,28,.35));transform-origin:30% 20%;transition:transform .18s}
.intro-hand.press .ih-finger{transform:translate(-6px,-8px) scale(.86)}
.ih-ripple{position:absolute;left:-26px;top:-26px;width:52px;height:52px;border-radius:50%;border:3px solid var(--gold);opacity:0;transform:scale(.4)}
.intro-hand.press .ih-ripple{animation:ihRipple .9s ease-out 1}
@keyframes ihRipple{0%{opacity:.9;transform:scale(.4)}100%{opacity:0;transform:scale(2.2)}}
.bb-film{flex:none;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-width:56px;min-height:44px;border:0;border-radius:14px;background:var(--forest);color:#fff;font-size:.6rem;font-weight:700}
.bb-film i{font-size:1.15rem}
@media(min-width:900px){.bb-film{margin-right:auto;flex-direction:row;gap:8px;padding:0 16px;font-size:.84rem}}

/* ---------- controls / hints ---------- */
.view-controls{position:absolute;z-index:6;right:var(--gutter);top:50%;transform:translateY(-50%);display:grid;gap:6px}
.view-controls button{width:40px;height:40px;border:1px solid var(--glass-b);border-radius:12px;background:var(--glass);backdrop-filter:blur(8px);color:var(--forest);font-size:1.15rem;display:grid;place-items:center}
.view-controls button:active{transform:scale(.94)}
/* the way back out of a building, parked under the top bar where the thumb finds it */
.back-pill{position:absolute;z-index:7;left:50%;transform:translate(-50%,-8px);top:calc(var(--topbar) + env(safe-area-inset-top) + 12px);min-height:44px;padding:0 18px 0 14px;border:0;border-radius:99px;
  background:var(--forest);color:#fff;font-weight:700;font-size:.88rem;display:inline-flex;align-items:center;gap:7px;box-shadow:0 10px 26px -12px rgba(15,42,28,.7);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
.back-pill i{font-size:1.1rem}
.atlas.has-sel .back-pill{opacity:1;pointer-events:auto;transform:translate(-50%,0)}
@media(min-width:900px){.back-pill{left:auto;right:calc(400px + 24px + 16px);transform:translate(0,-8px)}.atlas.has-sel .back-pill{transform:none}}
.hint{position:absolute;z-index:6;left:50%;transform:translateX(-50%);bottom:calc(var(--bottom) + env(safe-area-inset-bottom) + 132px);margin:0;padding:6px 12px;border-radius:99px;
  background:rgba(15,42,28,.72);color:#fff;font-size:.74rem;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:opacity .5s}
.hint.gone{opacity:0}
/* the disclaimer sits under the top bar on phones (the dock owns the bottom), bottom-right on desktops */
.caption{position:absolute;z-index:6;right:var(--gutter);top:calc(var(--topbar) + env(safe-area-inset-top) + 12px);margin:0;font-size:.6rem;color:var(--muted);letter-spacing:.03em;text-align:right;max-width:38vw;line-height:1.3}
@media(min-width:900px){.caption{top:auto;max-width:none}}
@media(min-width:900px){.hint{bottom:calc(var(--bottom) + 28px);left:auto;right:32px;transform:none}.caption{right:32px;bottom:calc(var(--bottom) + 8px)}}

/* ---------- bottom bar ---------- */
.bottom-bar{position:fixed;inset:auto 0 0 0;z-index:40;height:calc(var(--bottom) + env(safe-area-inset-bottom));padding:8px var(--gutter) calc(8px + env(safe-area-inset-bottom));
  display:flex;gap:8px;background:var(--glass);backdrop-filter:blur(10px);border-top:1px solid var(--glass-b)}
.bb-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:14px;border:1.5px solid var(--line);background:#fff;color:var(--forest);font-weight:700;font-size:.86rem;min-height:44px}
.bb-btn.fill{background:var(--green);border-color:var(--green);color:#fff}
.bb-btn i{font-size:1.05rem}
.bb-btn,.bb-film span{white-space:nowrap}
@media(max-width:380px){.bottom-bar{gap:6px}.bb-btn{font-size:.76rem;gap:4px;padding:0 4px}.bb-btn i{font-size:.95rem}.bb-film{min-width:50px}}
@media(min-width:900px){.bottom-bar{justify-content:flex-end}.bb-btn{flex:none;padding:0 18px}}

/* ---------- 2D fallback ---------- */
.no3d body{overflow:auto}
.no3d .stage,.no3d .poster,.no3d .view-controls,.no3d .hint,.no3d .caption{display:none}
.no3d .atlas{height:auto;min-height:100dvh;padding:calc(var(--topbar) + env(safe-area-inset-top) + 12px) var(--gutter) calc(var(--bottom) + 24px);background:var(--oh-bg)}
.no3d .heading{position:static;transform:none;margin:0 0 14px;pointer-events:auto}
.no3d .heading h1{text-shadow:none;white-space:normal}
.no3d .lede{display:block}
.fallback2d{margin-top:6px}
.fb-note{display:flex;align-items:center;gap:6px;margin:0 0 10px;font-size:.82rem;color:var(--ink-2)}
.fb-note i{color:var(--green)}
.fb-map{position:relative;border-radius:var(--oh-r);overflow:hidden;box-shadow:var(--oh-shadow);background:#DCE7DA}
.fb-map img{display:block;width:100%;height:auto}
.fb-pin{position:absolute;transform:translate(-50%,-100%);border:0;background:none;padding:0;width:0;height:0}
.fb-dot{position:absolute;left:-15px;top:-30px;width:30px;height:30px;border-radius:50% 50% 50% 4px;rotate:-45deg;background:#fff;box-shadow:0 4px 9px rgba(19,37,27,.32),inset 0 0 0 2px var(--c);display:grid;place-items:center}
.fb-dot::before{content:"";position:absolute}
.fb-dot>*{rotate:45deg}
.fb-dot{font-family:var(--num);font-weight:700;font-size:.72rem;color:var(--c)}
.fb-pin.on .fb-dot{background:var(--c);color:#fff}
.fb-lbl{position:absolute;left:0;top:4px;transform:translateX(-50%);background:rgba(255,255,255,.96);border-radius:8px;padding:2px 6px;text-align:center;white-space:nowrap;box-shadow:0 2px 6px rgba(19,37,27,.25)}
.fb-lbl b{display:block;font-size:.6rem;font-weight:700;line-height:1.25;color:var(--ink)}
.fb-lbl small{display:block;font-size:.5rem;color:var(--muted);line-height:1.2}

/* ---------- station sheet ---------- */
/* 54dvh: the room still gets the top of the screen, and the photo below the
   description now peeks above the fold so it is clear there is one */
.sheet{position:fixed;z-index:55;left:0;right:0;bottom:0;max-height:54dvh;overflow:auto;overscroll-behavior:contain;background:var(--card);border-radius:24px 24px 0 0;
  box-shadow:0 -12px 40px -16px rgba(15,42,28,.5);transform:translateY(102%);transition:transform .3s cubic-bezier(.3,1.2,.5,1);padding-bottom:env(safe-area-inset-bottom)}
.sheet.on{transform:none}
@media(min-width:900px){.sheet{left:auto;right:24px;bottom:calc(var(--bottom) + 16px);top:calc(var(--topbar) + 16px);width:400px;max-height:none;border-radius:22px;transform:translateX(30px);opacity:0;transition:transform .3s,opacity .3s}.sheet.on{transform:none;opacity:1}}
.sh-grab{width:40px;height:4px;border-radius:4px;background:var(--line);margin:8px auto 0}
@media(min-width:900px){.sh-grab{display:none}}
.sh-x{position:absolute;right:12px;top:12px;z-index:3;width:36px;height:36px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:var(--ink-2);font-size:1.2rem;display:grid;place-items:center;box-shadow:0 2px 8px rgba(19,37,27,.2)}
.sh-hero{position:relative;margin:10px 12px 0;border-radius:16px;overflow:hidden;aspect-ratio:16/7;background:var(--green-l)}
@media(min-width:900px){.sh-hero{margin:12px;aspect-ratio:16/10}}
.sh-hero>img{width:100%;height:100%;object-fit:cover;display:block}
.sh-sim{position:absolute;left:10px;top:10px;display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:99px;background:rgba(15,42,28,.72);color:#fff;font-size:.66rem;font-weight:600}
.sh-thumbs{position:absolute;right:8px;bottom:8px;display:flex;gap:5px}
.sh-thumbs button{width:38px;height:30px;padding:0;border:2px solid rgba(255,255,255,.9);border-radius:8px;overflow:hidden;background:#fff;opacity:.75}
.sh-thumbs button[aria-pressed="true"]{opacity:1;border-color:var(--gold)}
.sh-thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.sh-body{padding:12px 16px 18px}
.sh-head{display:flex;align-items:flex-start;gap:10px}
.sh-num{flex:none;font-family:var(--num);font-weight:700;font-size:1.5rem;line-height:1;color:var(--gold-d);margin-top:3px}
.sh-title{flex:1;min-width:0}
.sh-title h2{margin:0;font-size:1.15rem;font-weight:700;line-height:1.35}
.sh-title small{display:block;font-size:.74rem;color:var(--muted);letter-spacing:.03em}
.sh-badge{flex:none;width:72px}
.sh-badge .bdg-label{display:none}
.sh-chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 10px}
.chip{--c:var(--green);display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:99px;font-size:.74rem;font-weight:600;color:var(--c);background:color-mix(in srgb,var(--c) 14%,#fff)}
.chip-gold{--c:var(--gold-d)}
.chip-grey{--c:var(--muted)}
.sh-lead{margin:0;font-size:.92rem;color:var(--ink-2);line-height:1.55}
.sh-list{margin:8px 0 0;padding:0 0 0 18px;font-size:.88rem;color:var(--ink-2);line-height:1.55}
.sh-list li{margin:2px 0}
.sh-meta{display:grid;gap:6px;margin:12px 0 0;padding-top:12px;border-top:1px dashed var(--line);font-size:.84rem;color:var(--ink-2)}
.sh-meta span{display:flex;align-items:flex-start;gap:6px}
.sh-meta i{color:var(--green);flex:none;margin-top:2px}
.sh-meta small{color:var(--muted);margin-left:4px}
.sh-acts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 12px;border-radius:14px;border:1.5px solid var(--line);background:#fff;color:var(--forest);font-weight:700;font-size:.86rem;cursor:pointer}
.btn.fill{background:var(--green);border-color:var(--green);color:#fff}

/* ---------- shared bits ---------- */
.toast{position:fixed;left:50%;bottom:calc(var(--bottom) + env(safe-area-inset-bottom) + 14px);transform:translate(-50%,10px);z-index:60;max-width:calc(100% - 32px);
  padding:9px 14px;border-radius:12px;background:var(--forest);color:#fff;font-size:.84rem;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
.toast.on{opacity:1;transform:translate(-50%,0)}
/* The scrim only catches the tap that closes the sheet; the whole point of the
   sheet is to look at the opened building behind it, so it barely tints. */
.scrim{position:fixed;inset:0;z-index:50;background:rgba(10,25,16,.08);opacity:0;pointer-events:none;transition:opacity .25s}
.atlas.has-sel .heading,.atlas.has-sel .hint{opacity:0;pointer-events:none;transition:opacity .25s}
@media(min-width:900px){.atlas.has-sel .rail{top:calc(var(--topbar) + 40px)}}
.scrim.on{opacity:1;pointer-events:auto}
.calib{position:fixed;left:8px;bottom:calc(var(--bottom) + 8px);z-index:70;margin:0;padding:6px 8px;border-radius:8px;background:rgba(0,0,0,.7);color:#9BFFCF;font:11px ui-monospace,monospace;pointer-events:none}

@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* ---------- legible map interface ----------
   Keep the campus prominent; put reading on calm, opaque surfaces. The
   directory is one column on desktop and a compact dock on a phone. */
:root{--muted:#53665A;--topbar:64px;--bottom:76px;--glass:rgba(255,255,252,.97);--glass-b:#DCE5DC;--panel-shadow:0 12px 32px -20px rgba(15,42,28,.3)}
body{font-size:16px}
.directory{display:contents}
:where(button,a,input,[tabindex]):focus-visible{outline:3px solid var(--forest);outline-offset:3px;box-shadow:0 0 0 6px #fff}
button,a,input{touch-action:manipulation}
.topbar{gap:12px;background:#FFFEFA;border-bottom-color:var(--line)}
.brand{min-height:44px}
.brand b{font-size:1rem;line-height:1.4}
.brand small{font-size:.75rem;letter-spacing:.02em}
.tabs{gap:4px;padding:3px;background:#EDF2EC}
.tabs button{min-width:44px;min-height:44px;padding:8px 14px;font-size:.9375rem}
.btn-reg{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 18px;font-size:.9375rem}
.heading{top:calc(var(--topbar) + env(safe-area-inset-top) + 12px);padding:14px 16px;border:1px solid rgba(255,255,255,.85);border-radius:20px;background:rgba(255,254,250,.95);box-shadow:var(--panel-shadow)}
.eyebrow{font-family:var(--sans);font-size:.8125rem;letter-spacing:.04em}
.heading h1{font-size:1.5rem;line-height:1.4;white-space:normal;text-shadow:none;letter-spacing:0}
.eventline{gap:5px 12px;font-size:.8125rem;text-shadow:none}
.eventline b{font-family:var(--sans);font-size:.875rem}
.rail{padding-top:12px;background:linear-gradient(transparent,#F2F6F1 22%)}
.rail-tabs{gap:4px;padding:4px;background:#E9EFE7;border:1px solid #D6E1D5;overflow-x:auto;scrollbar-width:thin}
.rail-tabs button{min-height:44px;min-width:44px;padding:7px 9px;font-size:.875rem;font-weight:600}
.rail-tabs button[aria-selected="true"]{background:var(--forest);box-shadow:0 2px 5px rgba(15,42,28,.12)}
.rail-list{gap:10px;padding-bottom:6px;scroll-padding-inline:var(--gutter)}
.rail-list button{width:260px;min-height:80px;padding:10px 12px;gap:10px;border-color:#DAE4D9;background:#FFFEFC;border-radius:16px;box-shadow:0 3px 8px -6px rgba(15,42,28,.25)}
.rail-list button[aria-current="true"]{border-color:var(--green);box-shadow:inset 3px 0 var(--green);background:#F1F8EF}
.rl-n{width:26px;height:28px;background:#ECF3EA;color:var(--ink);border:1px solid #D3E0D1;font-size:.8125rem}
.rl-ic,.rl-ic img{width:36px;height:36px}
.rl-t b{font-size:1rem;line-height:1.45;white-space:normal;overflow-wrap:anywhere}
.rl-t small{font-size:.875rem;line-height:1.5;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:2px}
.rail-list li{flex:none}
.view-controls{gap:8px}
.view-controls button{width:48px;height:48px;background:#FFFEFA;border-color:#D5E0D3;box-shadow:0 4px 12px -8px rgba(15,42,28,.25);border-radius:14px}
.back-pill{min-height:48px;font-size:.9375rem}
.back-pill:not(:focus-visible){box-shadow:var(--panel-shadow)}
.hint{font-size:.8125rem;line-height:1.5;background:var(--forest);padding:8px 12px;bottom:calc(var(--bottom) + env(safe-area-inset-bottom) + 168px);width:max-content;max-width:calc(100% - 32px);white-space:normal;text-align:center}
.caption{top:auto;bottom:calc(var(--bottom) + env(safe-area-inset-bottom) + 211px);font-size:.75rem;max-width:none;background:rgba(255,254,250,.92);border-radius:8px;padding:3px 7px}
.atlas.has-sel .caption{display:none}
.bottom-bar{gap:10px;background:#FFFEFA;border-top-color:var(--line);padding-top:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom))}
.bb-btn{min-height:48px;font-size:.9375rem;border-radius:14px}
.bb-film{min-width:60px;min-height:48px;font-size:.75rem;background:#EDF3EA;color:var(--forest);border:1px solid #D5E0D3}
.bb-btn.fill,.btn.fill{box-shadow:0 4px 10px -6px rgba(20,107,58,.4)}
.mode-panel{background:#FFFEFA;border-color:#DCE5DC;padding:16px;border-radius:20px}
.ck-btns button{min-height:44px;font-size:.875rem}
.ck-time b{font-size:2.25rem}
.ck-ticks{font-size:.875rem}
.ck-on{font-size:.9375rem;line-height:1.6;white-space:normal;max-height:5em;overflow:auto}
#ckRange{height:44px;background:none;border-radius:0;outline-offset:3px}
#ckRange::-webkit-slider-runnable-track{height:8px;border-radius:99px;background:linear-gradient(90deg,var(--gold) var(--p),#D6E4D8 var(--p))}
#ckRange::-webkit-slider-thumb{margin-top:-10px;width:28px;height:28px}
#ckRange::-moz-range-track{height:8px;border-radius:99px;background:linear-gradient(90deg,var(--gold) var(--p),#D6E4D8 var(--p))}
.sheet{display:flex;flex-direction:column;overflow:hidden;background:#FFFEFC;border:1px solid #DCE5DC;box-shadow:0 -12px 40px -24px rgba(15,42,28,.35)}
.sh-grab{flex:none;margin:9px auto 2px;background:#BECDBE}
.sh-header{flex:none;padding:10px 62px 12px 20px;border-bottom:1px solid var(--line)}
.sh-head{gap:10px;align-items:flex-start}
.sh-title h2{font-size:1.125rem;line-height:1.5;overflow-wrap:anywhere}
.sh-title small{font-size:.875rem;line-height:1.5;letter-spacing:0}
.sh-num{font-size:1.125rem;line-height:1.5;margin-top:0;color:#876018}
.sh-x{width:44px;height:44px;top:14px;right:12px;background:#EEF3EA;border:1px solid #D5E0D3;box-shadow:none}
.sh-chips{gap:6px;margin:8px -42px 0 0;flex-wrap:wrap}
.chip{font-size:.8125rem;line-height:1.5;color:var(--forest);padding:3px 9px}
.chip-gold{color:#775215;background:#FFF1C9}.chip-grey{color:#475A4B;background:#EDF2EA}
.sh-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scroll-padding:12px}
/* Phone order: what it is, then the picture, then where and when — the photo
   is one short scroll from the top instead of below everything. */
@media(max-width:899px){.sh-scroll{display:flex;flex-direction:column}.sh-body{order:0;flex:none;padding-bottom:4px}.sh-hero{order:1;flex:none;margin-top:0;margin-bottom:4px}.sh-meta{order:2;flex:none;padding:12px 20px 18px;margin:0;border-top:1px solid var(--line)}}
.sh-scroll:focus-visible{outline-offset:-4px;box-shadow:none}
.sh-hero{margin:14px 16px 0;border-radius:12px;aspect-ratio:16/7}
.sh-sim{font-size:.75rem;background:var(--forest)}
.sh-thumbs{position:static;gap:8px;padding:8px;background:#F0F4EB;overflow-x:auto}
.sh-thumbs button{width:52px;height:44px;flex:none;border-radius:8px;opacity:1;border-color:#C4D2C3}
.sh-thumbs button[aria-pressed="true"]{border:3px solid var(--green)}
.sh-hero:has(.sh-thumbs){aspect-ratio:auto}
/* The photos are not all one shape — 4:3 from the school, 16:9 in the older
   set — and a fixed 16/7 window cut the tops off heads while the desktop sheet
   sat with an empty half. The picture sets the height of its own frame now:
   nothing is cropped, and the sheet fills with the photo instead of whitespace.
   The cap keeps a tall picture from pushing the text off a phone screen. */
.sh-hero{aspect-ratio:auto}
.sh-hero>img{width:100%;height:auto;aspect-ratio:auto;max-height:min(52vh,420px);object-fit:cover}
.sh-body{padding:16px 20px 20px}
.sh-badge{float:right;width:52px;margin:0 0 8px 12px}
.sh-lead,.sh-list{font-size:1rem;line-height:1.75}
.sh-meta{clear:both;font-size:.9375rem;line-height:1.65;gap:10px;padding-top:14px;border-top-style:solid}
.sh-meta span{gap:8px}
.sh-meta .sh-rounds{display:block}
.sh-meta small{display:block;font-size:.875rem;margin-left:0}
.sh-acts{flex:none;margin:0;padding:12px 16px;border-top:1px solid var(--line);background:#FFFEFA;gap:10px}
.sh-acts .btn{font-size:.9375rem;min-height:48px;white-space:normal;text-align:center;padding:8px}
.toast{font-size:.9375rem;line-height:1.6;max-width:calc(100vw - 32px);white-space:normal}
@media(hover:hover){
  .rail-list button:hover{border-color:#9CB69A;background:#F4F8F0}
  .tabs button:not([aria-selected="true"]):hover,.rail-tabs button:not([aria-selected="true"]):hover{background:#DCE7D8}
  .view-controls button:hover,.sh-x:hover,.bb-film:hover{background:#E7F0E2}
  .bb-btn:hover,.btn:hover{border-color:var(--green);background:#EDF5E8}
  .bb-btn.fill:hover,.btn.fill:hover{background:#105C31;color:#fff}
}
@media(min-width:900px){
  :root{--gutter:24px}
  .directory{position:absolute;z-index:6;left:24px;top:calc(var(--topbar) + 20px);bottom:calc(var(--bottom) + 20px);width:308px;display:flex;flex-direction:column;background:#FFFEFA;border:1px solid #DCE5DC;border-radius:22px;box-shadow:var(--panel-shadow);overflow:hidden;pointer-events:none}
  .heading{position:static;flex:none;padding:22px 20px 18px;max-width:none;border:0;border-radius:0;box-shadow:none;background:#FFFDF5}
  .heading h1{font-size:1.75rem;line-height:1.4}
  .lede{font-size:.9375rem;line-height:1.65;margin:10px 0 0;text-shadow:none}
  .eventline{margin-top:14px;font-size:.875rem;gap:6px 12px}.eventline b{font-size:.875rem}
  .rail,.atlas.has-sel .rail{position:static;flex:1;min-height:0;width:auto;padding:12px 10px 10px;background:none;overflow:hidden;pointer-events:auto}
  .rail-tabs{flex:none;display:grid;grid-template-columns:1fr 1fr;margin:0 0 10px;gap:4px;padding:4px;border-radius:16px;overflow:visible}
  .rail-tabs button{font-size:.875rem;padding:5px 8px}
  .rail-list{padding:3px 4px 10px;gap:4px;mask-image:none;scrollbar-width:thin;scrollbar-color:#C3D3BE transparent}
  .rail-list button{width:100%;border-color:transparent;border-radius:12px;background:transparent;box-shadow:none;padding:10px 6px;gap:8px}
  .rl-ic,.rl-ic img{width:30px;height:30px}
  .atlas.has-sel .heading{display:none}
  .atlas:not([data-mode="explore"]) .directory{bottom:auto}
  .atlas:not([data-mode="explore"]) .rail{display:none}
  .atlas.intro-on .directory{opacity:0;pointer-events:none}
  .atlas.intro-on .directory *{pointer-events:none!important}
  .sheet{top:calc(var(--topbar) + 20px);bottom:calc(var(--bottom) + 20px)}
  .sh-header{padding-top:18px}
  .sh-title h2{font-size:1.25rem}
  .sh-hero>img{aspect-ratio:auto}          /* the picture keeps its own shape here too */
  .hint{bottom:calc(var(--bottom) + 43px);right:24px;font-size:.875rem}
  .caption{bottom:calc(var(--bottom) + 16px);right:24px}
  .bb-film{font-size:.9375rem}
  .mode-panel{left:24px;width:308px}
}
@media(max-width:560px){
  :root{--gutter:12px}
  .topbar{gap:8px}.brand img{width:32px;height:32px}.brand b{font-size:.9375rem}
  .tabs button{font-size:.875rem;padding:8px 10px}
  .btn-reg{display:none}
  .bb-btn{flex-direction:column;gap:1px;font-size:.875rem;padding:3px 4px}
  .bb-btn i{font-size:1.125rem}.bb-film{min-width:56px}
  .bottom-bar{gap:8px}
  .hint{font-size:.75rem}
  .caption{font-size:.75rem}
}
@media(max-width:380px){
  .brand b{font-size:.875rem}.brand img{width:28px;height:28px}.brand{gap:6px}
  .tabs{gap:2px}.tabs button{padding:7px 8px;font-size:.875rem}
  .rail-tabs button{padding:6px;font-size:.875rem}
  .heading h1{font-size:1.375rem}
  .eventline{gap:4px 10px;font-size:.8125rem}
}
/* Short screens need one scrollable sheet, so a long title cannot consume
   the entire content area. The actions remain reachable at the end. */
@media(max-height:620px){
  .sheet{max-height:calc(100dvh - var(--topbar) - env(safe-area-inset-top) - 12px);overflow:auto;display:block}
  .sh-scroll{overflow:visible}.sh-acts{position:sticky;bottom:0}
  .heading{padding:10px 14px}.heading .eyebrow,.heading .lede{display:none}
  .heading h1{font-size:1.25rem}.eventline{margin-top:4px}
  .hint,.caption{display:none}
  .view-controls{top:calc(var(--topbar) + 16px);transform:none;grid-auto-flow:column}
}
.no3d .directory{position:static;display:block;width:auto;overflow:visible;box-shadow:none;border:0;background:none;pointer-events:auto}
.no3d .directory .rail{display:none}
.no3d .heading{padding:16px;margin-bottom:16px;border-radius:18px}
.no3d .fb-map{max-width:800px;margin:auto}
.fb-pin{width:44px;height:44px}
.fb-dot{left:7px;top:7px}
.fb-lbl{left:22px;top:46px}
.fb-lbl b{font-size:.8125rem}.fb-lbl small{font-size:.75rem}
.fb-pin:focus-visible{z-index:2;border-radius:12px}
/* A landscape phone needs side panels: stacking both docks would leave no
   campus visible between them. Keep full-sized text and scroll the list. */
@media(min-width:640px) and (max-width:899px) and (max-height:620px){
  .directory{position:absolute;display:flex;flex-direction:column;left:12px;top:calc(var(--topbar) + 12px);bottom:calc(var(--bottom) + 12px);width:260px;z-index:6;overflow:hidden;background:#FFFEFA;border:1px solid var(--line);border-radius:18px;box-shadow:var(--panel-shadow)}
  .directory .heading{position:static;flex:none;padding:10px 12px;margin:0;border:0;border-radius:0;box-shadow:none}
  .heading h1{font-size:1.125rem}.heading .eventline{display:none}
  .rail,.atlas.has-sel .rail{position:static;flex:1;min-height:0;display:flex;flex-direction:column;width:auto;padding:4px 8px 8px;opacity:1;overflow:hidden;background:none;pointer-events:auto}
  .rail-tabs{display:grid;grid-template-columns:1fr 1fr;flex:none;margin:0 0 6px;padding:3px;border-radius:12px}
  .rail-tabs button{font-size:.875rem}
  .rail-list{flex-direction:column;min-height:0;overflow:auto;padding:3px;scrollbar-width:thin;gap:4px}
  .rail-list button{width:100%;min-height:70px;padding:8px}.rail-list .rl-ic{display:none}
  .atlas.has-sel .heading{display:none}
  .atlas.has-sel .directory,.atlas:not([data-mode="explore"]) .directory,.atlas.intro-on .directory{display:none}
  .sheet{left:auto;right:12px;top:calc(var(--topbar) + 12px);bottom:12px;width:400px;max-width:55vw;max-height:none;display:flex;overflow:hidden;border-radius:18px}
  .sh-scroll{overflow:auto}.sh-grab{display:none}.sh-header{padding-top:12px}.sh-acts{position:static}
  .view-controls{right:12px;top:calc(var(--topbar) + 12px);grid-auto-flow:row}
  .atlas.has-sel .view-controls{display:none}
  .back-pill{left:16px;transform:none}.atlas.has-sel .back-pill{transform:none}
  .no3d .directory{position:static;width:auto;display:block}.no3d .heading .eventline{display:flex}
}
.og .directory{display:none!important}

/* ---------- ?shot=og ---------- */
.og .topbar,.og .heading,.og .rail,.og .view-controls,.og .hint,.og .caption,.og .bottom-bar,.og .mode-panel,.og .back-pill{display:none!important}
.og .atlas{height:100vh}
.og-band{position:fixed;left:48px;bottom:44px;z-index:9;max-width:640px;padding:22px 28px;border-radius:22px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);box-shadow:0 20px 50px -24px rgba(15,42,28,.6)}
.og-k{display:block;font-family:var(--num);font-size:.86rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--green);margin-bottom:6px}
.og-band b{display:block;font-size:2.5rem;font-weight:800;line-height:1.12;color:var(--forest);letter-spacing:-.01em}
.og-band small{display:block;margin-top:8px;font-size:.98rem;color:var(--ink-2)}
.og-logo{position:fixed;right:44px;top:36px;width:84px;height:84px;object-fit:contain;z-index:9}

/* On a wide screen the sheet had room to spare under the text while the photo
   sat small: give the panel — and so the picture — more width once there is
   enough screen to keep the map readable beside it. */
@media(min-width:1200px){
  .sheet{width:460px}
  .back-pill{right:calc(460px + 24px + 16px)}
}