:root{
  --bg:#06080c; --bg2:#0a0e15; --panel:#0b111a; --panel2:#0e151f;
  --edge:#1b2531; --edge2:#26384a; --line:#141c27;
  --txt:#e9eff6; --muted:#7c8a9b; --muted2:#566576;
  --burn:#ff6a1f; --burn-soft:rgba(255,106,31,.16);
  --glide:#1fe0a8; --glide-soft:rgba(31,224,168,.14);
  --signal:#ffd23f; --danger:#ff3b60; --good:#36e07a;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --disp:'Chakra Petch',system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:
    radial-gradient(1100px 600px at 12% -8%, rgba(255,106,31,.10), transparent 60%),
    radial-gradient(900px 700px at 100% 120%, rgba(31,224,168,.07), transparent 55%),
    var(--bg);
  color:var(--txt); font-family:var(--disp);
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
/* atmospheric grid + grain */
body::before{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0; opacity:.5;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:44px 44px; mask-image:radial-gradient(circle at 50% 40%,#000 60%,transparent 100%);
}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");}

/* ---------- top bar ---------- */
.topbar{position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:0 22px;height:62px;border-bottom:1px solid var(--edge);
  background:linear-gradient(180deg,rgba(12,17,26,.92),rgba(8,11,17,.78));backdrop-filter:blur(8px)}
.brand{display:flex;align-items:center;gap:12px}
.mark{font-size:20px;color:var(--burn);letter-spacing:-3px;text-shadow:0 0 14px rgba(255,106,31,.7)}
.brand-txt{display:flex;flex-direction:column;line-height:1}
.brand-name{font-weight:700;font-size:19px;letter-spacing:3px}
.brand-sub{font-family:var(--mono);font-size:9.5px;letter-spacing:4px;color:var(--muted)}
.circuit{display:flex;align-items:baseline;gap:12px}
.circuit-label{font-family:var(--mono);font-size:9px;letter-spacing:3px;color:var(--muted2)}
.circuit-name{font-weight:700;font-size:15px;letter-spacing:2px}
.circuit-meta{font-family:var(--mono);font-size:10px;color:var(--muted)}
.status{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:2px;
  padding:7px 14px;border:1px solid var(--edge);border-radius:2px;background:rgba(255,255,255,.02)}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}
.status[data-state=ready] .dot{background:var(--glide);box-shadow:0 0 10px var(--glide)}
.status[data-state=busy]{color:var(--signal);border-color:rgba(255,210,63,.4)}
.status[data-state=busy] .dot{background:var(--signal);box-shadow:0 0 10px var(--signal);animation:blink .7s infinite}
.status[data-state=dq]{color:var(--danger);border-color:rgba(255,59,96,.5)}
.status[data-state=dq] .dot{background:var(--danger);box-shadow:0 0 10px var(--danger)}
@keyframes blink{50%{opacity:.25}}

/* ---------- layout ---------- */
.layout{position:relative;z-index:2;display:grid;grid-template-columns:344px minmax(0,1fr);
  gap:16px;padding:16px;align-items:start}
.panel{position:relative;background:linear-gradient(180deg,var(--panel2),var(--panel));
  border:1px solid var(--edge);
  clip-path:polygon(0 0,calc(100% - 15px) 0,100% 15px,100% 100%,0 100%)}
.panel::after{content:"";position:absolute;top:0;left:0;width:3px;height:34px;background:var(--burn);
  box-shadow:0 0 12px rgba(255,106,31,.6)}
.panel-hd{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px 11px 16px;border-bottom:1px solid var(--edge);
  font-size:12px;font-weight:600;letter-spacing:2px;color:#cdd8e4}
.panel-hd-tag{font-family:var(--mono);font-size:9.5px;letter-spacing:1.5px;color:var(--muted2)}

/* ---------- controls ---------- */
.controls{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow-y:auto;padding-bottom:14px}
.controls::-webkit-scrollbar{width:8px}.controls::-webkit-scrollbar-thumb{background:var(--edge);border-radius:4px}
.mini-label{display:block;font-family:var(--mono);font-size:9px;letter-spacing:3px;color:var(--muted2);margin:0 0 7px 2px}
.presets,.quality{padding:13px 14px 4px}
.preset-load,.preset-save{display:flex;gap:6px}
.preset-save{margin-top:6px}
.preset-select,.preset-name{flex:1;min-width:0;font-family:var(--mono);font-size:11px;letter-spacing:.5px;
  color:var(--txt);background:rgba(255,255,255,.03);border:1px solid var(--edge);border-radius:2px;
  padding:7px 8px;transition:.15s}
.preset-select{cursor:pointer}
.preset-select:focus,.preset-name:focus{outline:none;border-color:var(--burn);box-shadow:0 0 0 1px rgba(255,106,31,.3)}
.preset-name::placeholder{color:var(--muted2)}
.preset-act{font-family:var(--mono);font-size:10px;letter-spacing:1px;font-weight:700;cursor:pointer;
  border-radius:2px;padding:7px 10px;transition:.15s;white-space:nowrap}
.preset-act.load{color:var(--glide);background:rgba(31,224,168,.08);border:1px solid rgba(31,224,168,.3)}
.preset-act.load:hover{background:rgba(31,224,168,.18);box-shadow:0 0 12px rgba(31,224,168,.25)}
.preset-act.save{color:#0a0e15;background:var(--burn);border:1px solid var(--burn);
  box-shadow:0 0 12px rgba(255,106,31,.35)}
.preset-act.save:hover{box-shadow:0 0 18px rgba(255,106,31,.6)}
.preset-act.del{color:var(--danger);background:rgba(255,59,96,.06);border:1px solid rgba(255,59,96,.3);
  padding:7px 9px}
.preset-act.del:hover{background:rgba(255,59,96,.16)}
.preset-act:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}
.seg{display:flex;border:1px solid var(--edge);border-radius:2px;overflow:hidden}
.seg-btn{flex:1;font-family:var(--mono);font-size:10px;letter-spacing:2px;color:var(--muted);
  background:transparent;border:0;padding:8px;cursor:pointer;transition:.15s}
.seg-btn.is-active{background:rgba(31,224,168,.12);color:var(--glide)}

.pgroup{padding:6px 14px 2px}
.pgroup-hd{font-family:var(--mono);font-size:9.5px;letter-spacing:2.5px;color:var(--burn);
  margin:14px 0 9px;padding-bottom:6px;border-bottom:1px dashed var(--edge);opacity:.9}
.field{margin-bottom:13px}
.field-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px}
.field-label{font-size:11.5px;color:var(--muted);letter-spacing:.5px}
.field-val{font-family:var(--mono);font-size:12px;color:var(--txt)}
.field-val input{width:74px;text-align:right;font-family:var(--mono);font-size:12px;color:var(--txt);
  background:rgba(255,255,255,.03);border:1px solid var(--edge);border-radius:2px;padding:2px 6px;
  -moz-appearance:textfield}
.field-val input:focus{outline:none;border-color:var(--burn);box-shadow:0 0 0 1px rgba(255,106,31,.3)}
.field-val .unit{color:var(--muted2);font-size:10px;margin-left:5px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--burn) var(--fill,40%),var(--edge) var(--fill,40%));cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:#0a0e15;border:2px solid var(--burn);box-shadow:0 0 10px rgba(255,106,31,.7);transition:.1s}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}
input[type=range]::-moz-range-thumb{width:13px;height:13px;border-radius:50%;background:#0a0e15;
  border:2px solid var(--burn);box-shadow:0 0 10px rgba(255,106,31,.7)}

.run-btn{position:relative;width:calc(100% - 28px);margin:16px 14px 0;padding:15px;cursor:pointer;
  font-family:var(--disp);font-weight:700;font-size:16px;letter-spacing:3px;color:#0a0e15;
  background:linear-gradient(180deg,#ff8a3d,var(--burn));border:0;border-radius:2px;
  box-shadow:0 0 22px rgba(255,106,31,.45);transition:.15s;display:flex;flex-direction:column;align-items:center;gap:2px}
.run-btn:hover{box-shadow:0 0 34px rgba(255,106,31,.75);transform:translateY(-1px)}
.run-btn:active{transform:translateY(0)}
.run-ico{font-size:11px}
.run-sub{font-family:var(--mono);font-weight:400;font-size:8.5px;letter-spacing:2px;color:rgba(10,14,21,.7)}

/* ---------- results / kpis ---------- */
.results{display:flex;flex-direction:column;gap:16px;min-width:0}
.kpis{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.kpi{position:relative;background:linear-gradient(180deg,var(--panel2),var(--panel));
  border:1px solid var(--edge);padding:12px 14px 11px;overflow:hidden;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%)}
.kpi::before{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--burn),transparent)}
.kpi-label{display:block;font-family:var(--mono);font-size:8.5px;letter-spacing:2px;color:var(--muted2);margin-bottom:7px}
.kpi-val{font-family:var(--mono);font-weight:700;font-size:27px;color:var(--txt);line-height:1;
  text-shadow:0 0 18px rgba(233,239,246,.15)}
.kpi-unit{font-family:var(--mono);font-size:10px;color:var(--muted);margin-left:4px}
.kpi.is-good .kpi-val{color:var(--good);text-shadow:0 0 18px rgba(54,224,122,.35)}
.kpi.is-bad .kpi-val{color:var(--danger);text-shadow:0 0 18px rgba(255,59,96,.4)}
.kpi.is-bad::before{background:linear-gradient(90deg,var(--danger),transparent)}

/* ---------- plots ---------- */
.plot-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.span-2{grid-column:1 / -1}
.plot{width:100%;height:330px}
#mapPlot{height:420px}
.legend{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:9px;letter-spacing:1px;color:var(--muted)}
.sw{width:11px;height:3px;border-radius:2px;display:inline-block;margin-left:8px}
.sw.burn{background:var(--burn);box-shadow:0 0 8px var(--burn)}
.sw.glide{background:var(--glide);box-shadow:0 0 8px var(--glide)}

/* ---------- cheat sheet ---------- */
.exports{display:flex;gap:8px}
.exp{font-family:var(--mono);font-size:10px;letter-spacing:1px;color:var(--glide);
  background:rgba(31,224,168,.07);border:1px solid rgba(31,224,168,.25);padding:6px 11px;cursor:pointer;
  border-radius:2px;transition:.15s}
.exp:hover{background:rgba(31,224,168,.16);box-shadow:0 0 12px rgba(31,224,168,.25)}
.cheat-body{padding:8px 6px 10px;overflow-x:auto}
.hint{color:var(--muted2);font-family:var(--mono);font-size:12px;text-align:center;padding:26px}
table.sheet{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12px}
table.sheet th{text-align:left;font-size:9px;letter-spacing:1.5px;color:var(--muted2);font-weight:500;
  padding:7px 12px;border-bottom:1px solid var(--edge)}
table.sheet td{padding:9px 12px;border-bottom:1px solid var(--line);color:#c4cfdb;white-space:nowrap}
table.sheet tr.r-burn td:first-child{color:var(--burn);font-weight:700}
table.sheet tr.r-glide td:first-child{color:var(--glide);font-weight:700}
table.sheet tr.r-brake td:first-child{color:var(--signal);font-weight:700}
table.sheet td.note{white-space:normal;color:var(--muted)}
table.sheet tr:hover td{background:rgba(255,255,255,.02)}

/* ---------- overlay ---------- */
.overlay{position:fixed;inset:0;z-index:20;display:none;align-items:center;justify-content:center;
  background:rgba(4,6,10,.72);backdrop-filter:blur(3px)}
.overlay.show{display:flex}
.overlay-box{position:relative;width:330px;padding:28px;border:1px solid var(--edge2);background:var(--panel);
  text-align:center;overflow:hidden;clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%)}
.scan{position:absolute;left:0;top:0;width:100%;height:2px;background:var(--burn);
  box-shadow:0 0 16px var(--burn);animation:scan 1.1s linear infinite}
@keyframes scan{0%{top:0}100%{top:100%}}
.ov-txt{font-weight:700;letter-spacing:3px;font-size:15px;margin-bottom:8px}
.ov-sub{font-family:var(--mono);font-size:10px;letter-spacing:1px;color:var(--muted)}

/* entrance */
.kpi,.plot-panel,.cheat{animation:rise .5s both}
.plot-panel:nth-child(2){animation-delay:.05s}.plot-panel:nth-child(3){animation-delay:.1s}
.plot-panel:nth-child(4){animation-delay:.15s}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

@media(max-width:1080px){
  .layout{grid-template-columns:1fr}.controls{position:relative;max-height:none}
  .plot-grid{grid-template-columns:1fr}.kpis{grid-template-columns:repeat(3,1fr)}
}