:root{
  --bg:#0b0f14; --panel:rgba(16,22,30,.82); --panel-solid:#10161e;
  --stroke:rgba(255,255,255,.09); --text:#e7edf3; --muted:#8b97a6;
  --accent:#37c6ff; --accent2:#ffd166; --good:#41d18a; --warn:#ff8f5a;
  --font:'Segoe UI',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--font)}
#app{position:fixed;inset:0}
canvas{display:block}

/* ---------- Loading ---------- */
#loader{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:radial-gradient(1200px 800px at 50% 30%,#132030,#070a0e);z-index:50;gap:18px;transition:opacity .6s}
#loader.hide{opacity:0;pointer-events:none}
.spinner{width:46px;height:46px;border:3px solid rgba(255,255,255,.12);border-top-color:var(--accent);
  border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#loader h1{font-size:19px;font-weight:600;letter-spacing:.3px}
#loader p{color:var(--muted);font-size:13px}
#loadbar{width:240px;height:4px;background:rgba(255,255,255,.1);border-radius:3px;overflow:hidden}
#loadbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),#7ce3ff);transition:width .2s}

/* ---------- Panels ---------- */
.panel{position:fixed;background:var(--panel);backdrop-filter:blur(14px);border:1px solid var(--stroke);
  border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.45)}
#sidebar{top:50%;transform:translateY(-50%);left:14px;width:290px;max-height:calc(100vh - 40px);display:flex;flex-direction:column;overflow:visible;z-index:20}
.side-head{padding:16px 16px 12px;border-bottom:1px solid var(--stroke);position:relative}

/* ---------- Generic collapsible panels (sidebar / sun card / legend) ---------- */
.pcollapse{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:13px;
  background:rgba(255,255,255,.07);border:1px solid var(--stroke);color:var(--text);cursor:pointer;
  font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;z-index:5;transition:.12s}
#sidebar>.pcollapse{right:-24px;left:auto}     /* rounded square tab straddling the inner (right) edge */
#rightbar>.pcollapse{left:-24px;right:auto}    /* rounded square tab straddling the inner (left) edge */
.pcollapse:hover{background:var(--accent);color:#04121b;border-color:var(--accent)}
.panel.collapsed{width:38px!important;min-width:0!important;height:38px!important;max-height:38px!important;padding:0!important;overflow:hidden!important}
.panel.collapsed>*:not(.pcollapse){display:none!important}
.panel.collapsed>.pcollapse{inset:0!important;margin:auto!important;transform:none!important;width:38px!important;height:38px!important;border-radius:13px!important;font-size:16px}
#suncard{position:relative}
.side-head .kick{color:var(--accent);font-size:10.5px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase}
.side-head h1{font-size:16px;font-weight:600;margin-top:3px;line-height:1.25}
.side-head .sub{color:var(--muted);font-size:11.5px;margin-top:4px}
.side-body{flex:1;min-height:0;overflow-y:auto;padding:6px 0 12px}
.side-body::-webkit-scrollbar{width:8px}.side-body::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:8px}

.stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px 14px}
.stat{background:rgba(255,255,255,.035);border:1px solid var(--stroke);border-radius:10px;padding:9px 10px}
.stat .v{font-size:17px;font-weight:700;color:#fff}
.stat .l{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-top:1px}

.section{padding:10px 14px 4px}
.section h2{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:1.2px;font-weight:700;margin-bottom:8px}

.row{display:flex;align-items:center;gap:9px;padding:6px 6px;border-radius:8px;cursor:pointer;user-select:none}
.row:hover{background:rgba(255,255,255,.05)}
.row .sw{width:13px;height:13px;border-radius:4px;flex:0 0 auto;box-shadow:0 0 0 1px rgba(255,255,255,.12) inset}
.row .nm{font-size:12.5px;flex:1}
.row .ct{font-size:11px;color:var(--muted)}
.row input{appearance:none;width:32px;height:18px;border-radius:10px;background:rgba(255,255,255,.16);position:relative;cursor:pointer;transition:.15s;flex:0 0 auto}
.row input:checked{background:var(--accent)}
.row input::after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;transition:.15s}
.row input:checked::after{transform:translateX(14px)}

.field{padding:4px 14px 8px}
.field label{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;display:block;margin-bottom:6px}
select,input[type=text]{width:100%;background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--text);
  border-radius:9px;padding:8px 10px;font-size:12.5px;font-family:var(--font);outline:none}
select:focus,input[type=text]:focus{border-color:var(--accent)}
input[type=range]{width:100%;accent-color:var(--accent)}
.seg{display:flex;gap:6px}
.seg button{flex:1;background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--muted);
  border-radius:9px;padding:7px 4px;font-size:11.5px;cursor:pointer;transition:.12s}
.seg button.on,.seg button:hover{background:var(--accent);color:#04121b;border-color:var(--accent);font-weight:600}

/* ---------- Right cluster ---------- */
/* ---------- Consolidated right panel ---------- */
#rightbar{top:50%;transform:translateY(-50%);right:14px;width:250px;max-height:calc(100vh - 40px);display:flex;flex-direction:column;overflow:visible;z-index:20}
#rightbar .rb-body{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:12px 0}
#rightbar .rb-body::-webkit-scrollbar{width:8px}
#rightbar .rb-body::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:8px}
#rightbar .rowc{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--muted)}
/* collapse both side panels to an edge-centred arrow */
#sidebar.collapsed,#rightbar.collapsed{top:50%!important;bottom:auto!important;transform:translateY(-50%)!important}

/* ---------- Info panel (selection) ---------- */
#info{bottom:80px;left:50%;transform:translateX(-50%);width:300px;padding:14px;z-index:20;display:none}
#info.show{display:block}
#info .close{position:absolute;top:10px;right:12px;color:var(--muted);cursor:pointer;font-size:16px;line-height:1}
#info h3{font-size:15px;font-weight:700;margin-bottom:3px}
#info .tag{display:inline-block;font-size:10.5px;padding:2px 8px;border-radius:20px;background:rgba(55,198,255,.15);
  color:var(--accent);margin-bottom:9px}
#info .kv{display:flex;justify-content:space-between;font-size:12px;padding:4px 0;border-top:1px solid var(--stroke)}
#info .kv span:first-child{color:var(--muted)}

/* ---------- Selected panel details (docked in the right panel, under the Legend) ---------- */
#panelInfo{display:none;border-top:1px solid var(--stroke);margin-top:8px}
#panelInfo.show{display:block}
#panelInfo .pi-head h2{display:flex;align-items:center;justify-content:space-between}
#panelInfo .close{color:var(--muted);cursor:pointer;font-size:13px;line-height:1;padding-left:8px}
#panelInfo .close:hover{color:var(--text)}
#panelInfo h3{font-size:13px;font-weight:700;margin:0 0 8px;color:#fff;word-break:break-all;line-height:1.3}
#panelInfo .kv{display:flex;justify-content:space-between;gap:12px;font-size:12px;padding:5px 0;border-top:1px solid var(--stroke)}
#panelInfo .kv span:first-child{color:var(--muted);white-space:nowrap}
#panelInfo .kv span:last-child{text-align:right;font-variant-numeric:tabular-nums}

/* ---------- Legend & compass ---------- */
#legendItems{padding:0 14px;font-size:11.5px}
#legendItems .li{display:flex;align-items:center;gap:8px;padding:2px 0}
#legendItems .sw{width:11px;height:11px;border-radius:3px}

/* ---------- Heading tape (top-centre, borderless / transparent) ---------- */
#headingWrap{position:fixed;top:12px;left:50%;transform:translateX(-50%);z-index:18;pointer-events:none;
  background:none;border:none;box-shadow:none;filter:drop-shadow(0 2px 6px rgba(0,0,0,.6))}
#heading{display:block;width:380px;height:44px}

/* ---------- Tooltip ---------- */
#tip{position:fixed;pointer-events:none;z-index:30;background:rgba(8,12,17,.94);border:1px solid var(--stroke);
  border-radius:8px;padding:6px 10px;font-size:12px;transform:translate(-50%,-140%);white-space:nowrap;display:none;
  box-shadow:0 6px 20px rgba(0,0,0,.5)}
#tip b{color:var(--accent)}

/* ---------- Map labels ---------- */
.lbl{position:absolute;transform:translate(-50%,-50%);pointer-events:none;z-index:10;font-size:11px;font-weight:600;
  color:#fff;text-shadow:0 1px 3px #000,0 0 8px rgba(0,0,0,.8);white-space:nowrap;letter-spacing:.2px}
.lbl.plot{font-size:12.5px;color:#ffe9b0}
.lbl.cctv{color:#9df0c4;font-size:10.5px}
.lbl.sub{color:#bfe0ff;font-size:10.5px}
.lbl.dim{opacity:.55;font-size:10px}

#hint{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);z-index:15;color:var(--muted);
  font-size:11.5px;background:var(--panel);border:1px solid var(--stroke);border-radius:20px;padding:6px 14px}

/* ---------- Scale bar ---------- */
#scalewrap{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);z-index:15;
  display:flex;align-items:center;gap:8px;padding:6px 10px}
#scalebar{width:110px;height:6px;background:linear-gradient(90deg,#fff,#fff);border:1px solid rgba(0,0,0,.4);
  border-top:none;border-radius:0 0 2px 2px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
#scalelbl{font-size:11.5px;color:var(--text);font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- Help card ---------- */
#helpcard{position:fixed;bottom:90px;right:14px;z-index:25;padding:14px 16px;width:250px;display:none;max-height:calc(100vh - 120px);overflow-y:auto}
#helpcard.show{display:block}
#helpcard b{display:block;font-size:13px;margin-bottom:8px;color:var(--accent)}
#helpcard .hk{display:flex;gap:10px;font-size:12px;padding:3px 0;color:var(--muted)}
#helpcard .hk span{color:#fff;font-weight:600;min-width:74px;font-family:ui-monospace,monospace}
#helpBtn{font-weight:700}
body.looking{cursor:grabbing}

/* ---------- Interactive tutorial ---------- */
#tour{position:fixed;inset:0;z-index:100;pointer-events:none;display:none}
#tour.show{display:block}
#tourSpot{position:fixed;display:none;border:2px solid var(--accent);border-radius:12px;pointer-events:none;
  box-shadow:0 0 0 4000px rgba(4,8,12,.5),0 0 22px rgba(55,198,255,.75);transition:all .28s ease}
#tourCard{position:fixed;width:330px;padding:18px;z-index:101;pointer-events:auto;transition:left .28s,top .28s}
#tourCard .tnum{color:var(--accent);font-size:10.5px;font-weight:700;letter-spacing:1.4px}
#tourCard h3{font-size:16px;margin:5px 0 8px;line-height:1.25}
#tourCard p{font-size:13px;line-height:1.55;color:var(--muted)}
#tourCard p b{color:var(--text)}
#tourCard .trow{display:flex;align-items:center;gap:8px;margin-top:16px}
#tourCard .tsp{flex:1}
#tourCard button{background:rgba(255,255,255,.06);border:1px solid var(--stroke);color:var(--text);border-radius:9px;
  padding:7px 15px;font-size:12.5px;cursor:pointer;font-family:var(--font);transition:.12s}
#tourCard button:hover{background:rgba(255,255,255,.13)}
#tourCard button.prim{background:var(--accent);color:#04121b;border-color:var(--accent);font-weight:600}
#tourCard #tourSkip{color:var(--muted);border-color:transparent;background:transparent;padding-left:0}