:root{
  --bg:#0b0e14; --bg2:#121722; --bg3:#1a2130; --line:#243043;
  --fg:#dfe6f2; --dim:#8b98ad; --dimmer:#5d6b82;
  --accent:#4dd4ac; --warn:#ffb454; --bad:#ff6b81; --info:#59a5ff;
  --violet:#a97bff;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--fg);
  font:13px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;
  display:flex; flex-direction:column; overflow:hidden;
}

/* ── top bar ─────────────────────────────────────────────── */
.topbar{
  display:flex; align-items:center; gap:24px; padding:10px 16px;
  background:var(--bg2); border-bottom:1px solid var(--line); flex:0 0 auto;
}
.brand{display:flex;align-items:center;gap:9px;font-size:14px}
.brand .sub{color:var(--dim);font-size:11.5px;font-family:var(--mono)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--dimmer);
     box-shadow:0 0 0 0 rgba(77,212,172,.6)}
.dot.on{background:var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(77,212,172,.5)}
  70%{box-shadow:0 0 0 7px rgba(77,212,172,0)}100%{box-shadow:0 0 0 0 rgba(77,212,172,0)}}
.stats{display:flex;gap:22px;margin-left:auto}
.stat{display:flex;flex-direction:column;line-height:1.2}
.stat label{font-size:10px;text-transform:uppercase;letter-spacing:.7px;color:var(--dimmer)}
.stat b{font-family:var(--mono);font-size:14px;color:var(--accent);font-weight:600}
.transport{display:flex;gap:7px}

button{
  background:var(--bg3);color:var(--fg);border:1px solid var(--line);
  border-radius:6px;padding:6px 12px;font:inherit;font-size:12px;cursor:pointer;
  transition:.13s;
}
button:hover:not(:disabled){background:#243044;border-color:#35455e}
button:disabled{opacity:.35;cursor:not-allowed}
button.primary{background:var(--accent);color:#04120d;border-color:var(--accent);font-weight:600}
button.primary:hover{background:#63e6bf}
button.ghost{background:transparent;color:var(--dim)}
button.wide{width:100%;margin-top:8px}

/* ── layout ──────────────────────────────────────────────── */
main{flex:1;display:grid;grid-template-columns:290px 1fr 330px;gap:12px;
     padding:12px;overflow:hidden;min-height:0}
.panel{background:var(--bg2);border:1px solid var(--line);border-radius:10px;
       padding:14px;overflow-y:auto;min-height:0}
.centre{display:flex;flex-direction:column;gap:12px;min-height:0;overflow:hidden}
h2{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--dim);
   margin:18px 0 8px;font-weight:600}
h2:first-child{margin-top:0}
h3{font-size:13px;margin:0;font-weight:600}
.hint{font-size:11px;color:var(--dimmer);margin:0 0 10px;line-height:1.5}
.hint em{color:var(--dim);font-style:normal;font-weight:600}
.muted{color:var(--dimmer);font-weight:400;font-size:11px}

/* ── cards / canvases ────────────────────────────────────── */
.card{background:var(--bg2);border:1px solid var(--line);border-radius:10px;
      display:flex;flex-direction:column;min-height:0;overflow:hidden}
.arena-card{flex:0 0 40%}
.card:last-child{flex:1}
.card-head{display:flex;align-items:center;justify-content:space-between;
           padding:9px 13px;border-bottom:1px solid var(--line)}
canvas{flex:1;width:100%;min-height:0;display:block}
.arena-foot{display:flex;justify-content:space-between;padding:6px 13px;
            font-family:var(--mono);font-size:10.5px;color:var(--dimmer);
            border-top:1px solid var(--line)}
.behaviour{font-family:var(--mono);font-size:11.5px;color:var(--accent);
           background:rgba(77,212,172,.1);padding:3px 9px;border-radius:20px}
.behaviour.escape{color:var(--bad);background:rgba(255,107,129,.13)}
.tabs{display:flex;gap:4px}
.tab{padding:4px 10px;font-size:11px;border-radius:5px}
.tab.active{background:var(--accent);color:#04120d;border-color:var(--accent);font-weight:600}

/* ── stimulus controls ───────────────────────────────────── */
.hero{background:var(--bg3);border:1px solid var(--line);border-radius:8px;
      padding:11px;margin-bottom:14px}
button.rock{width:100%;background:linear-gradient(180deg,#ff7d8f,#e04b62);
  color:#fff;border:none;font-weight:700;font-size:14px;padding:11px;
  letter-spacing:.5px;margin-bottom:9px}
button.rock:hover{background:linear-gradient(180deg,#ff92a2,#ef5a72)}
.row{display:flex;align-items:center;gap:8px;margin:7px 0;font-size:11.5px}
.row label{color:var(--dim);flex:0 0 auto;min-width:52px}
.row label b{color:var(--fg);font-family:var(--mono)}
.row input[type=range]{flex:1;accent-color:var(--accent);height:3px}
.row select,.row input[type=text],.row input:not([type]){
  flex:1;background:var(--bg);color:var(--fg);border:1px solid var(--line);
  border-radius:5px;padding:5px 7px;font:inherit;font-size:11.5px}

.mgroup{margin-bottom:12px}
.mgroup>h4{font-size:10px;letter-spacing:.9px;text-transform:uppercase;
  color:var(--dimmer);margin:0 0 6px;font-weight:600}
.mbtn{display:flex;align-items:center;gap:8px;width:100%;text-align:left;
      margin-bottom:4px;padding:7px 9px;font-size:11.5px}
.mbtn .n{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--dimmer)}
.mbtn.off{opacity:.42;border-style:dashed;cursor:help}
.mbtn.off .n{color:var(--warn)}

.lesions{display:flex;flex-wrap:wrap;gap:5px}
.lesion{padding:4px 9px;font-size:11px;font-family:var(--mono);border-radius:14px}
.lesion.on{background:var(--bad);border-color:var(--bad);color:#fff;font-weight:600}

/* ── right panel readouts ────────────────────────────────── */
.ch{margin-bottom:9px}
.ch-top{display:flex;justify-content:space-between;font-size:11.5px;margin-bottom:3px}
.ch-top span:last-child{font-family:var(--mono);color:var(--dim)}
.bar{height:7px;background:var(--bg);border-radius:4px;overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:4px;
       background:var(--accent);transition:width .1s linear}
.bar i.hot{background:var(--bad)}
.bar i.warm{background:var(--warn)}

.dnlist,.regions{display:flex;flex-direction:column;gap:3px}
.dnrow{display:flex;align-items:center;gap:8px;font-size:11px;font-family:var(--mono)}
.dnrow .nm{flex:0 0 96px;color:var(--dim)}
.dnrow .bar{flex:1}
.dnrow .v{flex:0 0 52px;text-align:right;color:var(--fg)}

#circuit{font-size:11px;margin-top:9px}
.ctitle{font-family:var(--mono);color:var(--accent);margin-bottom:6px}
.ctable{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:10.5px}
.ctable th{text-align:left;color:var(--dimmer);font-weight:500;padding:3px 4px;
           border-bottom:1px solid var(--line);text-transform:uppercase;font-size:9px}
.ctable td{padding:2.5px 4px;border-bottom:1px solid rgba(36,48,67,.45)}
.ctable td.exc{color:var(--accent)} .ctable td.inh{color:var(--bad)}

/* ── modal / toast ───────────────────────────────────────── */
.modal{position:fixed;inset:0;background:rgba(4,7,12,.82);display:flex;
       align-items:center;justify-content:center;z-index:50;padding:24px}
.modal[hidden],.toast[hidden]{display:none}   /* the hidden attribute must win */
.modal-body{background:var(--bg2);border:1px solid var(--line);border-radius:12px;
  max-width:820px;width:100%;max-height:84vh;overflow-y:auto;padding:26px;position:relative}
.close{position:absolute;top:14px;right:14px;background:none;border:none;
       color:var(--dim);font-size:17px}
#prov-content{font-size:12px;line-height:1.6}
#prov-content pre{background:var(--bg);padding:12px;border-radius:7px;
  overflow-x:auto;font-size:10.5px;border:1px solid var(--line);color:var(--dim)}
#prov-content h3{margin:18px 0 7px;color:var(--accent)}
.tag{display:inline-block;padding:2px 7px;border-radius:4px;font-size:9.5px;
  font-family:var(--mono);margin-right:5px;letter-spacing:.4px}
.tag.A{background:rgba(77,212,172,.16);color:var(--accent)}
.tag.B{background:rgba(89,165,255,.16);color:var(--info)}
.tag.C{background:rgba(255,180,84,.16);color:var(--warn)}
.tag.D{background:rgba(169,123,255,.16);color:var(--violet)}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);
  background:var(--bg3);border:1px solid var(--warn);color:var(--fg);
  padding:11px 18px;border-radius:8px;font-size:12px;max-width:560px;z-index:60;
  box-shadow:0 8px 30px rgba(0,0,0,.5)}
.toast b{color:var(--warn)}

::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:#31405a}


@media (max-width:1250px){
  main{grid-template-columns:250px 1fr 280px;gap:8px;padding:8px}
  .stats{gap:14px}
}
@media (max-width:980px){
  main{grid-template-columns:1fr;grid-template-rows:auto 1fr auto;overflow-y:auto}
  .panel{max-height:280px}
  .centre{min-height:520px}
}

/* ── PLACE FOOD + replay ─────────────────────────────────── */
button.food{width:100%;background:linear-gradient(180deg,#7fd88f,#3fae62);
  color:#062012;border:none;font-weight:700;font-size:14px;padding:11px;
  letter-spacing:.5px}
button.food:hover{background:linear-gradient(180deg,#93e5a2,#4cbe70)}
.hint.tight{margin:9px 0 0;font-size:10.5px;line-height:1.45}

.replay-bar{display:flex;align-items:center;gap:9px;padding:6px 13px;
  border-top:1px solid var(--line);background:rgba(10,13,19,.55)}
.replay-bar button{padding:4px 9px;font-size:11px;white-space:nowrap}
.replay-bar input[type=range]{flex:1;accent-color:var(--violet);height:3px}
.replay-bar input:disabled{opacity:.3}
.replay-t{font-family:var(--mono);font-size:10.5px;color:var(--dimmer);
  min-width:74px;text-align:right}
.replay-t.on{color:var(--violet)}
.arena-card.replaying{outline:1px solid var(--violet);outline-offset:-1px}

/* ── FlyOps panel ───────────────────────────────────────────── */
.flyops-header { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.fo-state { font-size: 14px; font-weight: bold; padding: 2px 8px; border-radius: 4px; }
.fo-state.NORMAL   { background: rgba(83,215,105,.18); color: #53d769; }
.fo-state.ATTENTION{ background: rgba(255,211,78,.18); color: #ffd34e; }
.fo-state.DANGER   { background: rgba(255,153,51,.18); color: #ff9933; }
.fo-state.CRITICAL { background: rgba(255,79,79,.18);  color: #ff4f4f; }
.fo-sev { font-size: 12px; color: var(--muted); }
.fo-signals { display: flex; flex-direction: column; gap: 5px; margin-bottom: 8px; }
.fo-row { display: flex; align-items: center; gap: 6px; font-size: 11px; }
.fo-row .fo-name { width: 130px; color: var(--muted); flex-shrink: 0; }
.fo-row .fo-bar { flex: 1; height: 6px; background: #1e2530; border-radius: 3px; overflow: hidden; }
.fo-row .fo-bar i { display: block; height: 100%; background: #4a7cf7; border-radius: 3px; transition: width .4s; }
.fo-row .fo-bar i.active { background: #ff4f4f; }
.fo-row .fo-val { width: 34px; text-align: right; color: #8898aa; font-size: 10px; }
.fo-mapping { font-size: 10px; color: #556070; line-height: 1.6; }