:root{
  --bg:#0b0d10; --panel:#111418; --line:#232830; --ink:#e6e8eb; --muted:#8a929c;
  --accent:#4fb3ff; --ax:#5aa9ff; --cor:#5fd38a; --sag:#ff9f43; --arch:#3fe0e0; --xs:#ffd84d; --meas:#ff6bcb;
  --ai:#b78cff; --warn-bg:#2a2210; --warn-ink:#f3d58a;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:13px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
body{overflow:hidden}
button,select,.btn{background:#1a1f26;color:var(--ink);border:1px solid #2c333d;border-radius:6px;padding:4px 9px;font:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
button:hover,.btn:hover{border-color:#44505e}
button:disabled{opacity:.45;cursor:not-allowed}
button.on,.btn.primary{background:var(--accent);border-color:var(--accent);color:#04121f;font-weight:600}
button.ai{border-color:#5a3f8a;color:#dcc8ff}
button.ai:hover{border-color:var(--ai)}
.btn.wide{width:100%;justify-content:center;padding:8px}
input[type=range]{width:110px;accent-color:var(--accent)}
.num{min-width:54px;color:var(--muted);font-variant-numeric:tabular-nums}
.muted{color:var(--muted);font-weight:400}
.small{font-size:11px}

/* ---------- open screen ---------- */
.open{position:fixed;inset:0;overflow:auto;display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px 40px}
.open-card{width:min(640px,100%)}
.brand{color:var(--accent);font-weight:600;letter-spacing:.02em;font-size:12px;text-transform:uppercase}
.open h1{font-size:30px;margin:4px 0 6px;letter-spacing:-.01em}
.lede{color:#c3c8ce;font-size:15px;margin:0 0 20px}
.drop{border:2px dashed #34404d;border-radius:14px;padding:34px 20px;text-align:center;background:#0f1317;transition:border-color .15s,background .15s;outline:none}
.drop.over,.drop:focus-visible{border-color:var(--accent);background:#0f1a24}
.drop-icon{font-size:28px;color:var(--accent)}
.drop-main{font-size:17px;font-weight:600;margin-top:6px}
.drop-sub{color:var(--muted);margin-top:2px}
.drop-btns{display:flex;gap:10px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.drop-btns .btn{padding:7px 14px}
.progress{margin-top:16px}
.pbar{height:6px;background:#1c232b;border-radius:3px;overflow:hidden}
#pfill{height:100%;width:0;background:var(--accent);transition:width .15s}
#ptext{color:var(--muted);margin-top:6px;font-variant-numeric:tabular-nums}
.series{margin-top:16px;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.series .sh{padding:8px 12px;background:#12171c;color:var(--muted)}
.series button{width:100%;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;padding:10px 12px;text-align:left;display:block}
.series button:hover{background:#151c23}
.series .sd{color:var(--muted);font-size:12px}
.err{margin-top:16px;padding:10px 12px;border:1px solid #5b2a2a;background:#1d1212;color:#ffb4b4;border-radius:8px}
.facts{margin:22px 0 0;padding:0;list-style:none;color:#aab1b9;display:grid;gap:8px}
.facts b{color:var(--ink)}

/* ---------- viewer ---------- */
#app{display:flex;flex-direction:column;height:100%}
.top{display:flex;align-items:center;gap:12px;padding:8px 12px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.top .pt{font-weight:600;font-size:14px}
.top .meta{color:var(--muted)}
.top .spacer{flex:1}
.bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:6px 12px;border-bottom:1px solid var(--line);background:#0e1115}
.grp{display:flex;align-items:center;gap:6px;padding-right:10px;border-right:1px solid var(--line);flex-wrap:wrap}
.grp:last-child{border-right:0}
.grp label{color:var(--muted)}
main{display:grid;grid-template-columns:1fr 1fr 1fr;grid-template-rows:1.15fr 1fr;grid-template-areas:"ax cor sag" "pano pano xs";gap:4px;padding:4px;flex:1;min-height:0;margin-bottom:26px}
.panel{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;min-height:0;min-width:0}
.panel.max{grid-area:1/1/-1/-1 !important;z-index:5}
.ph{display:flex;align-items:center;gap:8px;padding:4px 8px;border-bottom:1px solid var(--line);font-size:12px;user-select:none}
.ph b{font-weight:600;white-space:nowrap}
.ph .dot{width:8px;height:8px;border-radius:50%;flex:none}
.ph .info{color:var(--muted);margin-left:auto;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ph .mx{padding:0 6px;font-size:12px;line-height:18px}
.cv{flex:1;position:relative;min-height:0}
.cv canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);text-align:center;padding:20px;pointer-events:none}
.foot{position:fixed;left:0;right:0;bottom:0;height:26px;display:flex;align-items:center;gap:16px;padding:0 12px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;background:#0e1115;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden}
.foot .hint{margin-left:auto}

/* ---------- popovers / drawer ---------- */
.pop{position:fixed;right:12px;top:110px;width:340px;background:#151a20;border:1px solid #2c333d;border-radius:8px;padding:12px 14px;z-index:30;box-shadow:0 10px 30px #0008}
.pop h3{margin:0 0 6px;font-size:13px}
.pop table{border-collapse:collapse;width:100%}
.pop td{padding:3px 0;vertical-align:top}
.pop td:first-child{color:var(--accent);white-space:nowrap;padding-right:10px}
.note{color:var(--muted);font-size:11px;margin:8px 0 0}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(440px,100%);background:#12161b;border-left:1px solid #2c333d;z-index:40;display:flex;flex-direction:column;box-shadow:-12px 0 30px #0007}
.dh{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--line)}
.dbody{padding:12px 14px;overflow:auto;display:flex;flex-direction:column;gap:10px}
.warn{margin:0;padding:8px 10px;background:var(--warn-bg);color:var(--warn-ink);border-radius:6px;font-size:12px}
.aih{font-weight:600;font-size:12px}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:6px}
.thumb{position:relative;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#000;cursor:pointer}
.thumb img{display:block;width:100%;height:70px;object-fit:contain}
.thumb span{position:absolute;left:0;right:0;bottom:0;font-size:10px;padding:2px 4px;background:#000b}
.thumb input{position:absolute;top:4px;left:4px}
.thumb.off{opacity:.35}
textarea{width:100%;background:#0d1014;color:var(--ink);border:1px solid #2c333d;border-radius:6px;padding:8px;font:inherit;resize:vertical}
.consent{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:#c3c8ce}
.aiout{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#0d1014;font-size:13px;line-height:1.5}
.aiout h4{margin:12px 0 4px;font-size:13px;color:#dcc8ff}
.aiout h4:first-child{margin-top:0}
.aiout ul{margin:4px 0;padding-left:18px}
.aiout p{margin:6px 0}
.aiout .think{color:var(--muted);display:flex;gap:8px;align-items:center}
.spin{width:14px;height:14px;border:2px solid #2a313b;border-top-color:var(--ai);border-radius:50%;animation:s .8s linear infinite;flex:none}
@keyframes s{to{transform:rotate(360deg)}}

@media (max-width:760px){
  main{grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,minmax(200px,1fr));grid-template-areas:"ax ax" "cor sag" "pano xs";overflow:auto}
  body{overflow:auto}
  .grp{border-right:0}
}