:root{
  --void:#0c1016; --panel:#141b24; --panel2:#1b2430; --steel:#5d6b7a;
  --line:#26313d; --ink:#e8edf2; --dim:#93a1af;
  --amber:#ffb020; --fault:#ff5252; --sig:#35c9c0;
  --mod-MAIN:#6fb3ff; --mod-TSK:#ffb020; --mod-CAM:#b98cff; --mod-BV:#5bd6a0;
  --mod-RJB:#ff7a59; --mod-RJP:#ff9d3d; --mod-CST:#4fa8ff; --mod-ML:#3fd0c9; --mod-MU:#ff6fae; --mod-TRAY:#c0cad6;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--void);color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased}
.mono{font-family:ui-monospace,"SF Mono","Cascadia Code","JetBrains Mono",Consolas,monospace}
body{padding:0 0 96px}
header{position:sticky;top:0;z-index:20;background:linear-gradient(180deg,var(--void) 70%,rgba(12,16,22,.85));
  border-bottom:1px solid var(--line);padding:14px 16px 12px;backdrop-filter:blur(6px)}
.brand{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.brand h1{font-size:15px;letter-spacing:.14em;text-transform:uppercase;margin:0;font-weight:700}
.brand .sub{font-size:11px;color:var(--steel);letter-spacing:.08em}
.tag{margin-left:auto;font-size:10px;letter-spacing:.1em;color:var(--sig);
  border:1px solid var(--line);border-radius:999px;padding:3px 9px}
.langseg{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.langseg button{background:none;border:0;color:var(--dim);font-size:10px;letter-spacing:.1em;
  padding:3px 10px;cursor:pointer;font-family:inherit}
.langseg button[aria-selected=true]{background:var(--amber);color:var(--void);font-weight:700}
.searchwrap{margin-top:12px;position:relative}
#q{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  color:var(--ink);font-size:20px;padding:15px 15px 15px 46px;letter-spacing:.06em;outline:none}
#q:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,176,32,.15)}
#q::placeholder{color:var(--steel);letter-spacing:.02em}
.searchwrap .ic{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--steel);font-size:18px}
.seg{display:flex;gap:6px;margin-top:10px}
.seg button{flex:1;background:var(--panel);border:1px solid var(--line);color:var(--dim);
  padding:9px;border-radius:9px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.seg button[aria-selected=true]{color:var(--void);background:var(--amber);border-color:var(--amber)}
main{padding:16px}
.hint{color:var(--steel);font-size:13px;line-height:1.6;text-align:center;padding:34px 12px}
.hint b{color:var(--dim);font-weight:600}
.hint .exs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.hint .exs span{border:1px solid var(--line);border-radius:8px;padding:8px 12px;color:var(--amber);cursor:pointer}
/* readout */
.readout{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  animation:rise .18s ease}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.rtop{display:flex;align-items:center;gap:14px;padding:18px 18px 14px;position:relative}
.rtop::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--mc)}
.code{font-size:38px;font-weight:700;letter-spacing:.04em;line-height:1}
.badge{margin-left:auto;text-align:right}
.badge .mn{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.1em;padding:5px 10px;border-radius:7px;
  color:var(--void);background:var(--mc)}
.badge .ml{display:block;font-size:11px;color:var(--steel);margin-top:5px;max-width:180px}
.fault-dot{width:9px;height:9px;border-radius:50%;background:var(--fault);box-shadow:0 0 10px var(--fault);
  animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
/* spine */
.spine{display:flex;gap:4px;padding:4px 14px 16px;overflow-x:auto}
.node{flex:0 0 auto;min-width:52px;text-align:center;padding:8px 6px;border:1px solid var(--line);
  border-radius:9px;background:var(--panel2);opacity:.5}
.node .nk{font-size:12px;font-weight:700;letter-spacing:.05em}
.node .nn{font-size:9px;color:var(--steel);margin-top:2px;line-height:1.2}
.node.on{opacity:1;border-color:var(--mc);background:color-mix(in srgb,var(--mc) 16%,var(--panel2));
  box-shadow:inset 0 0 0 1px var(--mc)}
.node.on .nk{color:var(--mc)}
.arrow{flex:0 0 auto;align-self:center;color:var(--steel);font-size:12px}
/* rows */
.section{border-top:1px solid var(--line);padding:15px 18px}
.lbl{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);margin-bottom:8px;
  display:flex;align-items:center;gap:8px}
.loc{font-size:17px;font-weight:600;color:var(--sig);line-height:1.35}
.loc .sen{font-size:12px;color:var(--steel);font-weight:400}
.expl{font-size:16px;line-height:1.45}
.expl.none{color:var(--steel);font-style:italic;font-size:14px}
ol.fix{list-style:none;margin:0;padding:0;counter-reset:s}
ol.fix li{counter-increment:s;display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--line)}
ol.fix li:last-child{border-bottom:0}
ol.fix li .num{flex:0 0 26px;height:26px;border-radius:7px;background:var(--panel2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--amber)}
ol.fix li .txt{font-size:15px;line-height:1.4;padding-top:2px}
ol.fix li.done .txt{color:var(--steel);text-decoration:line-through}
ol.fix li.done .num{background:var(--sig);color:var(--void);border-color:var(--sig)}
.fixnote{font-size:12px;color:var(--steel);padding-top:10px;line-height:1.5}
/* results list */
.rlist{display:flex;flex-direction:column;gap:8px}
.ritem{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);
  border-radius:11px;padding:12px 14px;cursor:pointer;text-align:left;width:100%;color:inherit;font:inherit}
.ritem:active{background:var(--panel2)}
.ritem .rc{font-size:18px;font-weight:700;letter-spacing:.04em;min-width:62px}
.ritem .re{font-size:13px;color:var(--dim);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ritem .rm{font-size:9px;font-weight:700;letter-spacing:.08em;padding:3px 7px;border-radius:5px;color:var(--void)}
.count{font-size:11px;color:var(--steel);letter-spacing:.08em;margin:2px 2px 12px}
/* notfound */
.nf{background:var(--panel);border:1px solid var(--fault);border-radius:14px;padding:18px}
.nf h3{margin:0 0 6px;font-size:16px;color:var(--fault)}
.nf p{margin:0 0 4px;font-size:14px;color:var(--dim);line-height:1.5}
/* ranges + legend */
.card{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:14px 16px;margin-bottom:10px}
.rangerow{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--line)}
.rangerow:last-child{border-bottom:0}
.rangerow .rk{font-size:15px;font-weight:700;min-width:58px}
.rangerow .rt{font-size:13px;color:var(--dim)}
.senrow{display:flex;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}
.senrow:last-child{border-bottom:0}
.senrow .sk{font-weight:700;min-width:64px;color:var(--amber)}
.senrow .st{color:var(--dim)}
footer{padding:20px 16px;color:var(--steel);font-size:11px;line-height:1.6;text-align:center}
@media (prefers-reduced-motion:reduce){*{animation:none!important}}
/* reference diagram */
.refthumb{margin-top:10px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;cursor:zoom-in;position:relative}
.refthumb img{display:block;width:100%;height:auto}
.pin{position:absolute;width:12%;aspect-ratio:1;border:3px solid #ff2f2f;border-radius:50%;
  transform:translate(-50%,-50%);box-shadow:0 0 0 2px rgba(255,47,47,.3),0 0 16px rgba(255,47,47,.55);
  pointer-events:none;animation:ping 1.7s ease-out infinite}
.pin::after{content:"";position:absolute;left:50%;top:50%;width:5px;height:5px;border-radius:50%;
  background:#ff2f2f;transform:translate(-50%,-50%);box-shadow:0 0 6px #ff2f2f}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(255,47,47,.5),0 0 16px rgba(255,47,47,.55)}
  70%{box-shadow:0 0 0 10px rgba(255,47,47,0),0 0 16px rgba(255,47,47,.55)}
  100%{box-shadow:0 0 0 0 rgba(255,47,47,0),0 0 16px rgba(255,47,47,.55)}}
.refthumb .zl{position:absolute;right:8px;bottom:8px;background:rgba(12,16,22,.82);color:var(--ink);
  font-size:11px;letter-spacing:.06em;padding:4px 9px;border-radius:6px}
.refcap{font-size:12px;color:var(--dim);line-height:1.5;margin-top:8px}
.refcap b{color:var(--sig);font-weight:600}
.dgcard{background:var(--panel);border:1px solid var(--line);border-radius:13px;overflow:hidden;margin-bottom:14px}
.dgcard .dh{padding:13px 15px 4px}
.dgcard .dt{font-size:15px;font-weight:700}
.dgcard .dd{font-size:12px;color:var(--dim);margin-top:2px;line-height:1.5}
.dgcard .dimg{background:#fff;cursor:zoom-in;position:relative;margin-top:10px}
.dgcard .dimg img{display:block;width:100%;height:auto}
.dgcard .dimg .zl{position:absolute;right:8px;bottom:8px;background:rgba(12,16,22,.82);color:var(--ink);
  font-size:11px;padding:4px 9px;border-radius:6px}
/* lightbox */
.lb{position:fixed;inset:0;z-index:60;background:rgba(6,9,13,.96);display:flex;flex-direction:column}
.lb[hidden]{display:none}
.lbx{align-self:flex-end;margin:12px 14px;background:var(--panel);border:1px solid var(--line);color:var(--ink);
  padding:10px 16px;border-radius:9px;font-size:14px;font-weight:600}
.lbscroll{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;padding:0 8px 20px;text-align:center}
.lbholder{position:relative;display:inline-block;width:100%;max-width:1400px}
.lbscroll img{width:100%;height:auto;background:#fff;border-radius:8px;display:block}