:root{
  --gold:#e8b960; --gold2:#ffd88a; --ink:#0b0b0d; --panel:rgba(14,13,16,.78); --line:rgba(232,185,96,.22);
  --txt:#efe9dd; --mute:#9a9284;
  --th:'IBM Plex Sans Thai',system-ui,sans-serif; --serif:'Cormorant Garamond',Georgia,serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:#07070a;color:var(--txt);font-family:var(--th);-webkit-font-smoothing:antialiased}
canvas#c{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none}
button{font-family:inherit;cursor:pointer}

/* loader */
#loader{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 40%,#2a1c0c 0%,#09080a 65%);transition:opacity .9s}
#loader.done{opacity:0;pointer-events:none}
.brand-mark{letter-spacing:.5em;font-size:12px;color:var(--mute)}
.brand-title{font-family:var(--serif);font-size:clamp(40px,7vw,78px);letter-spacing:.12em;color:var(--gold2);text-shadow:0 0 30px rgba(255,190,90,.45);margin:6px 0}
.brand-sub{font-family:var(--serif);font-style:italic;font-size:20px;color:var(--gold)}
.bar{width:min(320px,70vw);height:2px;background:rgba(255,255,255,.08);margin:34px 0 12px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#b0731c,var(--gold2));transition:width .25s}
#loadtxt{font-size:12px;color:var(--mute);letter-spacing:.06em}

/* header */
#top{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;justify-content:space-between;align-items:flex-start;padding:16px 20px;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.55),transparent)}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand .k{font-size:10px;letter-spacing:.45em;color:var(--mute)}
.brand .t{font-family:var(--serif);font-size:28px;letter-spacing:.14em;color:var(--gold2)}
.brand .s{font-size:12px;color:var(--mute)}
.top-actions{display:flex;gap:8px;pointer-events:auto}
.pill{border:1px solid var(--gold);background:rgba(232,185,96,.12);color:var(--gold2);padding:8px 16px;border-radius:999px;font-size:13px;backdrop-filter:blur(8px)}
.pill:hover{background:rgba(232,185,96,.25)}
.pill.ghost{border-color:var(--line);color:var(--txt)}
.pill.active{background:var(--gold);color:#140e05}

/* panels */
.panel{position:fixed;z-index:9;top:92px;width:236px;max-height:calc(100% - 190px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 14px 16px;backdrop-filter:blur(14px);transition:transform .35s,opacity .35s}
#views{left:16px}
#layers{right:16px}
body.nopanel .panel{opacity:0;pointer-events:none}
body.nopanel #views{transform:translateX(-20px)}
body.nopanel #layers{transform:translateX(20px)}
.panel h3{margin:0 0 8px;font-size:13px;font-weight:600;color:var(--gold2);letter-spacing:.04em}
.panel h3 small{font-weight:400;color:var(--mute);margin-left:4px}
.panel h3.mt{margin-top:16px}
.vbtn{display:flex;width:100%;text-align:left;align-items:center;gap:10px;background:transparent;border:0;color:var(--txt);padding:7px 8px;border-radius:8px;font-size:13px}
.vbtn:hover{background:rgba(255,255,255,.06)}
.vbtn.on{background:rgba(232,185,96,.16);color:var(--gold2)}
.vbtn i{font-style:normal;font-size:10px;width:20px;height:20px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--gold);flex:none}
.vbtn em{font-style:normal;display:block;font-size:10.5px;color:var(--mute)}
.wide{width:100%;padding:10px;border-radius:10px;font-size:13px}
.gold{background:linear-gradient(180deg,#f0c56f,#c8902f);border:0;color:#1a1105;font-weight:600}
.gold.playing{background:#3a2a14;color:var(--gold2);border:1px solid var(--gold)}
.panel label{display:flex;align-items:center;gap:8px;font-size:12.5px;padding:4px 2px;color:var(--txt);cursor:pointer}
.panel label.sub{padding-left:22px;color:#cfc6b6;font-size:12px}
.panel label.master{padding:6px 2px 8px;border-bottom:1px solid var(--line);margin-bottom:4px}
.panel input[type=checkbox]{accent-color:var(--gold);width:14px;height:14px}
.swatch{width:8px;height:8px;border-radius:2px;flex:none}
.time{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--mute);margin-bottom:6px}
.time input{flex:1;accent-color:var(--gold)}

/* labels / hotspots */
#labels{position:fixed;inset:0;pointer-events:none;z-index:5}
.hot{position:absolute;transform:translate(-50%,-100%);pointer-events:auto;cursor:pointer;display:flex;flex-direction:column;align-items:center;transition:opacity .25s}
.hot b{font-weight:500;font-size:12px;white-space:nowrap;background:rgba(10,9,12,.72);border:1px solid var(--gold);color:var(--gold2);padding:4px 10px;border-radius:999px;backdrop-filter:blur(6px)}
.hot b small{color:var(--mute);margin-left:6px;font-weight:400}
.hot::after{content:"";width:1px;height:18px;background:linear-gradient(var(--gold),transparent)}
.hot:hover b{background:var(--gold);color:#1a1105}
.hot:hover b small{color:#3d2a0b}
body.hidelabels .hot{opacity:0;pointer-events:none}

/* caption */
#caption{position:fixed;left:50%;bottom:96px;transform:translateX(-50%);z-index:8;text-align:center;max-width:min(680px,90vw);opacity:0;transition:opacity .6s;pointer-events:none}
#caption.show{opacity:1}
.cap-zone{font-family:var(--serif);font-size:30px;letter-spacing:.06em;color:var(--gold2);text-shadow:0 2px 20px rgba(0,0,0,.8)}
.cap-text{font-size:15px;color:#f3ede2;text-shadow:0 1px 10px rgba(0,0,0,.9);margin-top:4px}

/* card */
#card{position:fixed;z-index:12;right:268px;top:92px;width:320px;background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;backdrop-filter:blur(14px);transition:opacity .3s,transform .3s}
#card.hidden{opacity:0;transform:translateY(8px);pointer-events:none}
#card img{width:100%;height:180px;object-fit:cover;display:block}
#card .x{position:absolute;right:8px;top:8px;width:28px;height:28px;border-radius:50%;border:0;background:rgba(0,0,0,.6);color:#fff;font-size:18px}
.card-body{padding:12px 14px 14px}
.card-en{font-family:var(--serif);font-size:22px;color:var(--gold2)}
.card-th{font-size:13px;color:var(--mute)}
#cardTxt{font-size:13px;line-height:1.6;margin:8px 0 10px;color:#e4ddcf}
.card-actions{display:flex;align-items:center;justify-content:space-between}
.ref{font-size:10.5px;color:var(--mute)}

/* dock */
#dock{position:fixed;z-index:10;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:6px;backdrop-filter:blur(14px)}
#dock button{background:transparent;border:0;color:var(--txt);width:58px;height:52px;border-radius:11px;font-size:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}
#dock button span{font-size:10px;color:var(--mute)}
#dock button:hover{background:rgba(255,255,255,.07)}
#dock button.on{background:rgba(232,185,96,.18);color:var(--gold2)}
#dock button.on span{color:var(--gold)}

#walkpad{position:fixed;z-index:10;right:24px;bottom:96px;display:flex;flex-direction:column;align-items:center;gap:4px}
#walkpad.hidden{display:none}
#walkpad button{width:48px;height:44px;margin:0 2px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--gold2);font-size:16px}
#walkpad small{font-size:10.5px;color:var(--mute);margin-top:4px;text-align:center;max-width:180px}

#toast{position:fixed;left:50%;top:84px;transform:translateX(-50%);z-index:30;background:var(--gold);color:#1a1105;padding:8px 16px;border-radius:999px;font-size:13px;opacity:0;transition:opacity .3s;pointer-events:none}
#toast.show{opacity:1}

body.day{--panel:rgba(20,18,22,.72)}
body.touring #views,body.touring #layers,body.touring #card{opacity:.0;pointer-events:none}

@media (max-width:820px){
  .panel{top:auto;bottom:86px;width:calc(50% - 20px);max-height:42vh}
  #views{left:12px} #layers{right:12px}
  #card{right:12px;left:12px;width:auto;top:80px}
  #card img{height:140px}
  .brand .t{font-size:22px} .brand .s{display:none}
  #dock button{width:40px} #dock button span{display:none}
  #caption{bottom:84px} .cap-zone{font-size:22px} .cap-text{font-size:13px}
  body:not(.panel-open) .panel{opacity:0;pointer-events:none}
}

#hint{position:fixed;z-index:9;left:50%;bottom:84px;transform:translateX(-50%);font-size:12px;color:#d9d1c2;background:rgba(10,9,12,.6);border:1px solid var(--line);padding:6px 14px;border-radius:999px;white-space:nowrap;transition:opacity 1s;pointer-events:none}
#hint b{color:var(--gold2);font-weight:500}
#hint.fade,body.touring #hint{opacity:0}
#dock:hover ~ #hint{opacity:1}
@media (max-width:820px){ #hint{display:none} }