:root{
  --bg:#121211; --s1:#1a1a19; --s2:#242422; --s3:#2f2f2c; --line:#3a3a36;
  --t1:#f0efec; --t2:#c3c2b7; --t3:#8d8c84;
  --accent:#f2b134; --good:#3fb27f; --warn:#e8a33a; --bad:#e66767;
  --winter:#3987e5; --summer:#d95926; --equinox:#199e70; --today:#f0efec; --custom:#9085e9;
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--t1);font:15px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-tap-highlight-color:transparent}
button,input,select,textarea{font:inherit;color:inherit}
button{background:var(--s3);border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer}
button:active{transform:scale(.97)}
button.primary{background:var(--accent);color:#1a1300;border-color:var(--accent);font-weight:600}
button.ghost{background:transparent}
button.sm{padding:5px 9px;font-size:13px;border-radius:8px}
button[disabled]{opacity:.45}
input,select,textarea{background:var(--s2);border:1px solid var(--line);border-radius:8px;padding:7px 9px;min-width:0}
input[type=range]{padding:0;accent-color:var(--accent)}
input[type=checkbox]{accent-color:var(--accent);width:18px;height:18px}
h2{font-size:17px;margin:0 0 8px} h3{font-size:15px;margin:14px 0 6px;color:var(--t2)}
.muted{color:var(--t3)} .t2{color:var(--t2)} .small{font-size:12.5px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.grow{flex:1}
#app{position:fixed;inset:0;display:flex;flex-direction:column}
header{display:flex;align-items:center;gap:8px;padding:calc(6px + var(--safe-t)) 10px 6px;background:var(--s1);border-bottom:1px solid var(--line);z-index:5}
header .logo{font-weight:700;letter-spacing:.2px}
header .logo b{color:var(--accent)}
#siteChip{margin-left:auto;font-size:12.5px;max-width:58vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
main{flex:1;position:relative;overflow:hidden}
.view{position:absolute;inset:0;display:none;overflow:auto}
.view.on{display:block}
nav{display:flex;background:var(--s1);border-top:1px solid var(--line);padding-bottom:var(--safe-b);z-index:5}
nav button{flex:1;border:0;border-radius:0;background:transparent;padding:9px 2px 8px;font-size:12px;color:var(--t3);display:flex;flex-direction:column;align-items:center;gap:2px}
nav button .ic{font-size:19px;line-height:1}
nav button.on{color:var(--accent)}
.pad{padding:12px 12px 28px;max-width:860px;margin:0 auto}
.card{background:var(--s1);border:1px solid var(--line);border-radius:14px;padding:12px;margin:0 0 12px}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;font-size:13px;background:var(--s2);border:1px solid var(--line);cursor:pointer;user-select:none}
.chip .sw{width:14px;height:4px;border-radius:2px}
.chip.off{opacity:.45}
.seg{display:flex;background:var(--s2);border:1px solid var(--line);border-radius:10px;padding:2px}
.seg button{flex:1;border:0;background:transparent;padding:6px 8px;border-radius:8px;font-size:13.5px}
.seg button.on{background:var(--s3);color:var(--accent);font-weight:600}
table{border-collapse:collapse;width:100%;font-size:13.5px}
th,td{text-align:left;padding:6px 6px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--t3);font-weight:500;font-size:12.5px}
td.num{font-variant-numeric:tabular-nums}
.badge{display:inline-block;border-radius:6px;padding:2px 7px;font-size:12px;font-weight:600}
.b-low{background:#163a29;color:#8fe0b8}.b-mod{background:#3d2f12;color:#f3cf86}.b-high{background:#45201c;color:#f3a29c}.b-ext{background:#5b1414;color:#ffd0d0}
#toast{position:fixed;left:50%;bottom:calc(80px + var(--safe-b));transform:translateX(-50%);background:#000c;border:1px solid var(--line);padding:9px 14px;border-radius:12px;font-size:13.5px;z-index:50;max-width:90vw;display:none}
/* AR */
#v-ar{overflow:hidden;background:#000}
#vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
#arc{position:absolute;inset:0;width:100%;height:100%;touch-action:none}
#arTop{position:absolute;left:8px;right:8px;top:8px;display:flex;gap:6px;flex-wrap:wrap;pointer-events:none}
#arTop .pill{pointer-events:auto;background:#000a;border:1px solid #ffffff22;border-radius:10px;padding:5px 9px;font-size:12.5px;backdrop-filter:blur(6px)}
#arPanel{position:absolute;left:0;right:0;bottom:0;padding:8px 8px 10px;background:linear-gradient(transparent,#000c 28%);display:flex;flex-direction:column;gap:7px}
#arPanel .row{gap:6px}
#arPanel button{background:#1d1d1bcc;backdrop-filter:blur(6px)}
#arPanel button.primary{background:var(--accent)}
#arStart{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;text-align:center;background:radial-gradient(circle at 50% 30%,#2a2416,#0d0d0c 70%);z-index:3}
#arStart p{max-width:420px;color:var(--t2);margin:0}
#freeze{position:absolute;inset:0;display:none;z-index:4;background:#000}
#fzc{position:absolute;inset:0;width:100%;height:100%;touch-action:none}
#fzBar{position:absolute;left:0;right:0;bottom:0;padding:10px;background:#000c;display:flex;flex-direction:column;gap:8px}
/* report */
#skyWrap{position:relative}
#sky{width:100%;height:270px;display:block;touch-action:pan-y}
#skyTip{position:absolute;pointer-events:none;background:#000d;border:1px solid var(--line);border-radius:8px;padding:4px 8px;font-size:12px;display:none;white-space:nowrap}
.bars{display:flex;align-items:flex-end;gap:4px;height:170px;padding-top:6px;position:relative}
.bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;position:relative;cursor:default}
.bar .track{width:100%;max-width:34px;background:#3a3a36;border-radius:4px 4px 0 0;position:relative;display:flex;align-items:flex-end;overflow:hidden}
.bar .fill{width:100%;background:var(--accent);border-radius:4px 4px 0 0;border-top:2px solid var(--s1)}
.bar .lab{font-size:11px;color:var(--t3);margin-top:4px;height:14px}
#barTip{position:absolute;pointer-events:none;background:#000d;border:1px solid var(--line);border-radius:8px;padding:4px 8px;font-size:12px;display:none;white-space:nowrap;z-index:2}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--t2);margin-top:6px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:5px;vertical-align:-2px}
/* trees */
.tree{border:1px solid var(--line);border-radius:12px;padding:10px;margin-bottom:10px;background:var(--s1)}
.tree .hd{display:flex;align-items:center;gap:8px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:8px 10px;margin-top:8px}
.form label{display:flex;flex-direction:column;gap:3px;font-size:12.5px;color:var(--t3)}
.form label.full{grid-column:1/-1}
.checks{display:grid;grid-template-columns:1fr;gap:6px;margin-top:6px}
.checks label{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;color:var(--t2)}
canvas.diag{width:100%;height:320px;display:block;background:var(--s2);border-radius:10px;margin-top:8px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:3px 12px;font-size:13.5px}
.kv div:nth-child(odd){color:var(--t3)}
/* 3D */
#v-3d{overflow:hidden}
#m3d,#sv{position:absolute;inset:0}
#svc{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}
#m3dTouch{position:absolute;inset:0;z-index:1;touch-action:none;cursor:grab}
#p3bot.min > :not(:first-child){display:none}
#p3top{position:absolute;left:8px;right:8px;top:8px;display:flex;gap:6px;flex-wrap:wrap;z-index:2}
#p3top button,#p3bot button{background:#1d1d1bdd;backdrop-filter:blur(6px)}
#p3bot{position:absolute;left:0;right:0;bottom:0;padding:8px;background:linear-gradient(transparent,#000d 30%);display:flex;flex-direction:column;gap:7px;z-index:2}
#m3dMsg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:30px;color:var(--t2)}
.nudge{display:grid;grid-template-columns:repeat(3,34px);grid-template-rows:repeat(3,30px);gap:2px}
.nudge button{padding:0;font-size:14px}
/* modal */
.modal{position:fixed;inset:0;background:#000a;z-index:40;display:none;align-items:flex-end;justify-content:center}
.modal.on{display:flex}
.sheet{background:var(--s1);border:1px solid var(--line);border-radius:16px 16px 0 0;width:100%;max-width:640px;max-height:88vh;overflow:auto;padding:14px 14px calc(16px + var(--safe-b))}
#picker .sheet{height:88vh;display:flex;flex-direction:column;gap:8px}
#pmap{flex:1;border-radius:10px;min-height:260px;background:var(--s2)}
.hpre{display:flex;gap:6px;flex-wrap:wrap}
.hpre button.on{border-color:var(--accent);color:var(--accent)}
.warnbox{background:#3d2f12;border:1px solid #6b5220;color:#f3dca8;border-radius:10px;padding:8px 10px;font-size:13px}
.err{background:#45201c;border:1px solid #7a3a33;color:#f6c5bf;border-radius:10px;padding:8px 10px;font-size:13px}
a{color:var(--accent)}
/* 3D: walking joystick, skyline scan, hybrid camera check, split screen */
#vid3{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none}
#v-3d.hybrid #vid3{display:block}
#v-3d.hybrid #m3d{opacity:var(--m3dop,.5)}
#joy{position:absolute;left:14px;bottom:var(--joyB,220px);width:118px;height:118px;border-radius:50%;background:#0006;border:1px solid #fff4;z-index:2;touch-action:none;display:none;backdrop-filter:blur(3px)}
#v-3d.touch #joy{display:block}
#v-3d.walkoff #joy{display:none}
#joyKnob{position:absolute;left:50%;top:50%;width:50px;height:50px;margin:-25px 0 0 -25px;border-radius:50%;background:#f0efecbb;box-shadow:0 2px 8px #0008;pointer-events:none}
#scanBox{position:absolute;inset:0;z-index:4;display:none;align-items:center;justify-content:center;background:#121211f2;padding:20px}
#scanBox.on{display:flex}
#scanBox .card{max-width:360px;width:100%;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.pbar{width:100%;height:8px;border-radius:4px;background:var(--s3);overflow:hidden}
.pbar i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
#b3scan.done{border-color:var(--good);color:var(--good)}
@media (min-width:1100px){
  main.split #v-3d{right:min(42%,640px)}
  main.split #v-report{display:block;left:auto;width:min(42%,640px);border-left:1px solid var(--line)}
}