/* TEARDOWN/01 — clinical studio chrome on a matte-white cyclorama */

:root{
  --ink:#16130f;
  --ink-2:#4c463d;
  --ink-3:#8a8274;
  --paper:#f4f2ee;
  --paper-2:#eceae4;
  --line:rgba(22,19,15,.14);
  --line-2:rgba(22,19,15,.08);
  --copper:#b06f2f;
  --copper-2:#d99a55;
  --amber:#e8a04b;
  --ev:#b06f2f;          /* copper — electric */
  --ice:#4e6570;         /* cold steel — combustion */
  --panel:rgba(250,249,246,.86);
  --font:"SF Pro Display","SF Pro Text","Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Mono",Menlo,Consolas,monospace;
  --r:14px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}
body{
  font-family:var(--font);
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overscroll-behavior:none;
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
button:focus-visible,input:focus-visible{outline:2px solid var(--copper);outline-offset:2px}

#stage{position:fixed;inset:0}
#stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
#stage canvas:active{cursor:grabbing}

#labels{position:fixed;inset:0;pointer-events:none;z-index:3;overflow:hidden}
.lbl{
  position:absolute;transform:translate(-50%,-130%);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink-2);white-space:nowrap;
  padding:4px 9px 4px 8px;border:1px solid var(--line);
  background:var(--panel);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border-radius:99px;
  opacity:0;transition:opacity .25s ease;
}
.lbl::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;
  background:var(--copper);margin-right:6px;vertical-align:1px}
.lbl.ice::before{background:var(--ice)}
.lbl.on{opacity:1}
.lbl.leader::after{content:"";position:absolute;left:50%;top:100%;width:1px;height:14px;
  background:linear-gradient(var(--line),transparent)}

/* ————— top bar ————— */
#topbar{
  position:fixed;top:0;left:0;right:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px 10px;
  pointer-events:none;
}
#topbar>*{pointer-events:auto}
.brand{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand-mark{
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.22em;
}
.brand-num{color:var(--copper);margin-left:2px}
.brand-sub{
  font-size:11px;color:var(--ink-3);letter-spacing:.02em;
  max-width:44vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.topctl{display:flex;align-items:center;gap:8px;flex-shrink:0}
.seg{
  display:flex;border:1px solid var(--line);border-radius:99px;
  background:var(--panel);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  padding:2px;
}
.seg button{
  font-size:11px;letter-spacing:.04em;padding:6px 12px;border-radius:99px;
  color:var(--ink-2);transition:all .18s ease;white-space:nowrap;
}
.seg button:hover{color:var(--ink)}
.seg button.on,.seg button[aria-pressed="true"]{
  background:var(--ink);color:var(--paper);
}
.icobtn{
  font-family:var(--mono);font-size:11px;letter-spacing:.05em;
  border:1px solid var(--line);border-radius:99px;background:var(--panel);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  padding:7px 13px;color:var(--ink-2);transition:all .18s;
}
.icobtn:hover{color:var(--ink);border-color:var(--ink-3)}
.icobtn[aria-expanded="true"]{background:var(--ink);color:var(--paper)}

/* ————— component index ————— */
#index{
  position:fixed;top:64px;left:20px;bottom:20px;width:308px;z-index:9;
  display:flex;flex-direction:column;
  background:var(--panel);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:var(--r);
  transform:translateX(-118%);opacity:0;transition:transform .38s cubic-bezier(.32,.72,.24,1),opacity .3s;
}
#index.open{transform:none;opacity:1}
.index-head{padding:14px 14px 10px;border-bottom:1px solid var(--line-2)}
.index-title{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2)}
#index-filter{
  width:100%;margin-top:9px;padding:7px 11px;font:12px var(--font);
  border:1px solid var(--line);border-radius:9px;background:rgba(255,255,255,.6);color:var(--ink);
}
#index-filter::placeholder{color:var(--ink-3)}
.index-cols{overflow-y:auto;padding:8px 8px 14px;scrollbar-width:thin}
.igroup{margin:10px 4px 2px;font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-3)}
.irow{
  display:flex;align-items:center;gap:8px;width:100%;text-align:left;
  padding:6px 9px;border-radius:8px;font-size:12.5px;color:var(--ink-2);
  transition:background .15s,color .15s;
}
.irow:hover{background:rgba(22,19,15,.05);color:var(--ink)}
.irow.sel{background:var(--ink);color:var(--paper)}
.irow .tag{
  font-family:var(--mono);font-size:8.5px;letter-spacing:.1em;
  padding:1.5px 5px;border-radius:4px;flex-shrink:0;
}
.irow .tag.ev{background:rgba(176,111,47,.13);color:var(--ev)}
.irow .tag.ice{background:rgba(78,101,112,.13);color:var(--ice)}
.irow.sel .tag{background:rgba(255,255,255,.18);color:var(--paper)}
.irow .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ————— info panel ————— */
#panel{
  position:fixed;top:64px;right:20px;bottom:20px;width:378px;max-width:calc(100vw - 40px);z-index:9;
  display:flex;flex-direction:column;
  background:var(--panel);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);border-radius:var(--r);
  transform:translateX(calc(100% + 30px));opacity:0;
  transition:transform .44s cubic-bezier(.32,.72,.24,1),opacity .3s;
}
#panel[data-open="true"]{transform:none;opacity:1}
.panel-head{padding:18px 20px 8px;position:relative}
.panel-eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--copper);margin-bottom:6px}
.panel-eyebrow.ice{color:var(--ice)}
#panel-title{font-size:21px;font-weight:600;letter-spacing:-.01em;line-height:1.15;padding-right:30px}
#panel-close{
  position:absolute;top:14px;right:14px;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);font-size:15px;line-height:1;color:var(--ink-3);
}
#panel-close:hover{color:var(--ink);border-color:var(--ink-3)}
.panel-chips{display:flex;flex-wrap:wrap;gap:6px;padding:4px 20px 10px}
.chip{
  font-family:var(--mono);font-size:10px;letter-spacing:.05em;
  padding:3.5px 9px;border-radius:99px;border:1px solid var(--line);color:var(--ink-2);
}
.chip.hot{border-color:rgba(176,111,47,.4);color:var(--copper)}
.panel-body{overflow-y:auto;padding:2px 20px 22px;scrollbar-width:thin}
.panel-empty{color:var(--ink-3);font-size:13px;line-height:1.6;padding-top:10px}
.pblock{margin-top:13px}
.pblock h4{font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);margin-bottom:5px}
.pblock p{font-size:13px;line-height:1.62;color:var(--ink-2)}
.pblock p b{color:var(--ink);font-weight:600}
.pair-cta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:16px;padding:12px 14px;border:1px solid var(--line);border-radius:11px;
  background:rgba(255,255,255,.45);text-align:left;width:100%;
}
.pair-cta:hover{border-color:var(--copper)}
.pair-cta .t{font-size:12.5px;font-weight:600}
.pair-cta .s{font-size:11px;color:var(--ink-3);margin-top:2px}
.pair-cta .arr{font-family:var(--mono);color:var(--copper);font-size:14px;flex-shrink:0}
.vs-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:12px}
.vs-table th{font-family:var(--mono);font-size:9px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);text-align:left;padding:7px 8px 5px;border-bottom:1px solid var(--line)}
.vs-table td{padding:7px 8px;border-bottom:1px solid var(--line-2);vertical-align:top;line-height:1.45;color:var(--ink-2)}
.vs-table td:first-child{font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);width:86px}
.vs-table td b{color:var(--ink);font-weight:600}
.vs-ev{border-left:2px solid var(--ev)}
.vs-ice{border-left:2px solid var(--ice)}
.absent-note{
  margin-top:14px;padding:12px 14px;border:1px dashed rgba(176,111,47,.5);border-radius:11px;
  font-size:12.5px;line-height:1.55;color:var(--ink-2);background:rgba(232,160,75,.07);
}
.absent-note b{color:var(--copper)}
.flow-note{
  margin-top:14px;padding:11px 14px;border-radius:11px;font-size:12px;line-height:1.55;
  background:rgba(22,19,15,.04);color:var(--ink-2);
}
.flow-note b{color:var(--ink)}

/* ————— hint / toast ————— */
#hint{
  position:fixed;left:20px;bottom:18px;z-index:8;
  font-size:11px;color:var(--ink-3);letter-spacing:.02em;
  padding:8px 13px;border:1px solid var(--line);border-radius:99px;
  background:var(--panel);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;
}
.hint-key{font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;color:var(--ink-2);
  border:1px solid var(--line);border-radius:5px;padding:2px 6px;background:rgba(255,255,255,.5)}
#toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);z-index:12;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--paper);background:rgba(22,19,15,.92);padding:10px 18px;border-radius:99px;
  opacity:0;pointer-events:none;transition:all .3s ease;
}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* ————— help ————— */
#help{
  position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;
  background:rgba(244,242,238,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  opacity:0;pointer-events:none;transition:opacity .25s;
}
#help[data-open="true"]{opacity:1;pointer-events:auto}
.help-card{
  width:min(460px,calc(100vw - 48px));background:#fbfaf7;border:1px solid var(--line);
  border-radius:18px;padding:26px 28px;box-shadow:0 30px 80px rgba(22,19,15,.18);
}
.help-card h3{font-size:17px;margin-bottom:16px}
.help-grid{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:12.5px}
.help-grid span:nth-child(odd){font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-3);padding-top:2px}
.help-grid b{font-family:var(--mono);font-size:11px}
.help-note{margin-top:16px;font-size:12px;line-height:1.6;color:var(--ink-2)}
#help-close{margin-top:18px;padding:9px 18px;border-radius:99px;background:var(--ink);color:var(--paper);font-size:12px}

/* ————— veil & fallback ————— */
#veil{
  position:fixed;inset:0;z-index:40;background:var(--paper);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .7s ease,visibility .7s;
}
#veil.gone{opacity:0;visibility:hidden}
.veil-inner{text-align:center}
.veil-mark{font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.3em}
.veil-mark span{color:var(--copper)}
.veil-line{width:180px;height:1px;background:var(--line);margin:18px auto 12px;position:relative;overflow:hidden}
.veil-line i{position:absolute;left:0;top:0;bottom:0;width:40%;background:var(--copper);
  animation:veilslide 1.1s ease-in-out infinite}
@keyframes veilslide{0%{left:-40%}100%{left:100%}}
.veil-status{font-size:11px;color:var(--ink-3);letter-spacing:.04em}
#nogl{
  position:fixed;inset:0;z-index:50;background:var(--paper);
  display:none;align-items:center;justify-content:center;text-align:center;
  font-size:14px;color:var(--ink-2);padding:30px;
}
#nogl:not([hidden]){display:flex}

/* ————— small screens ————— */
@media (max-width:900px){
  #topbar{padding:10px 12px 8px;flex-wrap:wrap}
  .topctl{flex-wrap:wrap;justify-content:flex-end;row-gap:6px;flex-basis:100%}
  .brand-sub{display:none}
  .seg button{padding:6px 9px;font-size:10.5px}
  #index{top:auto;left:10px;right:10px;bottom:10px;width:auto;max-height:52vh;
    transform:translateY(120%)}
  #index.open{transform:none}
  #panel{top:auto;left:10px;right:10px;bottom:10px;width:auto;max-height:56vh;
    transform:translateY(120%)}
  #panel[data-open="true"]{transform:none}
  #hint{display:none}
  .help-card{max-height:82vh;overflow-y:auto}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}