/* ============================================================
   GHOSTHAND — design system
   premium fintech meets cyberpunk: dark, glass, neon
   ============================================================ */
:root{
  --bg:#05060c;
  --bg-2:#080a16;
  --panel:rgba(18,22,40,.55);
  --panel-2:rgba(12,16,32,.6);
  --stroke:rgba(120,150,255,.14);
  --stroke-strong:rgba(120,170,255,.28);
  --text:#e8edff;
  --text-dim:#9aa6cc;
  --text-faint:#6c779e;
  --cyan:#39e6ff;
  --magenta:#ff45d0;
  --green:#27f5a3;
  --red:#ff5470;
  --amber:#ffcf5c;
  --glow-cyan:0 0 18px rgba(57,230,255,.35);
  --glow-mag:0 0 18px rgba(255,69,208,.35);
  --radius:16px;
  --radius-sm:11px;
  --mono:"SF Mono",ui-monospace,"Cascadia Code","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--sans);
  color:var(--text);
  background:radial-gradient(1200px 800px at 80% -10%, #14122e 0%, transparent 60%),
             radial-gradient(1000px 700px at -10% 110%, #0a1f2e 0%, transparent 55%),
             var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  line-height:1.4;
}
a{color:inherit}
button{font-family:inherit}

/* ===== Background canvas ===== */
#bg-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
.bg-vignette{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(120% 100% at 50% 0%, transparent 55%, rgba(3,4,10,.7) 100%);
}

/* ===== Boot overlay ===== */
.boot{
  position:fixed;inset:0;z-index:50;display:grid;place-items:center;
  background:radial-gradient(800px 600px at 50% 40%, #0c1024, #05060c);
  transition:opacity .6s ease, visibility .6s;
}
.boot.hide{opacity:0;visibility:hidden}
.boot-inner{text-align:center;display:grid;justify-items:center;gap:10px}
.boot-logo{width:84px;height:84px;filter:drop-shadow(var(--glow-cyan)) drop-shadow(var(--glow-mag));animation:floaty 3s ease-in-out infinite}
.boot-title{font-size:30px;font-weight:800;letter-spacing:.32em;background:linear-gradient(90deg,var(--cyan),var(--magenta));-webkit-background-clip:text;background-clip:text;color:transparent}
.boot-sub{color:var(--text-dim);font-size:12px;letter-spacing:.25em;text-transform:uppercase}
.boot-bar{width:200px;height:3px;border-radius:3px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:8px}
.boot-bar span{display:block;height:100%;width:40%;border-radius:3px;background:linear-gradient(90deg,var(--cyan),var(--magenta));animation:bootbar 1.1s ease-in-out infinite}
@keyframes bootbar{0%{transform:translateX(-120%)}100%{transform:translateX(360%)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ===== App shell ===== */
.app{position:relative;z-index:2;min-height:100vh;display:flex;flex-direction:column;padding:14px;gap:14px;max-width:1700px;margin:0 auto}
.glass{
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0)) , var(--panel);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 10px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.05);
}

/* ===== Topbar ===== */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{width:42px;height:42px;filter:drop-shadow(var(--glow-cyan));animation:floaty 4s ease-in-out infinite}
.brand-name{font-size:22px;font-weight:800;letter-spacing:.16em}
.brand-name span{background:linear-gradient(90deg,var(--cyan),var(--magenta));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-tag{font-size:10.5px;color:var(--text-faint);letter-spacing:.14em;text-transform:uppercase}
.topbar-badges{display:flex;gap:10px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:.14em;padding:7px 12px;border-radius:999px;border:1px solid var(--stroke-strong);background:rgba(10,14,28,.6);text-transform:uppercase}
.badge .dot{width:8px;height:8px;border-radius:50%;box-shadow:0 0 8px currentColor}
.badge-paper{color:var(--amber);border-color:rgba(255,207,92,.4)}
.badge-paper .dot{background:var(--amber);animation:pulse 1.8s infinite}
.badge-data{color:var(--text-dim)}
.badge-data.live{color:var(--green);border-color:rgba(39,245,163,.4)}
.badge-data.live .dot{background:var(--green)}
.badge-data.sim{color:var(--cyan);border-color:rgba(57,230,255,.4)}
.badge-data.sim .dot{background:var(--cyan)}
.badge-data .dot{background:var(--text-faint)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ===== Layout ===== */
.layout{
  display:grid;
  grid-template-columns:320px minmax(0,1fr) 360px;
  gap:14px;
  align-items:start;
  flex:1;
}
.panel{padding:16px}
.panel-title{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text);display:flex;align-items:center;gap:8px}
.panel-title.small{font-size:12px;color:var(--text-dim)}
.panel-title .ico{color:var(--cyan);font-size:14px}
.sub-title{margin:16px 0 8px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint);border-top:1px dashed var(--stroke);padding-top:14px}

/* ===== Controls ===== */
.controls{display:flex;flex-direction:column;gap:12px;position:sticky;top:14px}
.field-group{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.field{display:flex;flex-direction:column;gap:5px}
.field>span{font-size:11px;color:var(--text-dim);letter-spacing:.04em}
.field select,.field input[type=number]{
  background:var(--panel-2);border:1px solid var(--stroke);color:var(--text);
  border-radius:var(--radius-sm);padding:9px 11px;font-size:13px;font-family:var(--mono);
  outline:none;transition:border-color .2s, box-shadow .2s;width:100%;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-dim) 50%),linear-gradient(135deg,var(--text-dim) 50%,transparent 50%);background-position:calc(100% - 16px) center,calc(100% - 11px) center;background-size:5px 5px,5px 5px;background-repeat:no-repeat;cursor:pointer}
.field select:focus,.field input:focus{border-color:var(--cyan);box-shadow:var(--glow-cyan)}
.field option{background:#0a0e1c;color:var(--text)}

/* sliders */
.param-block{display:flex;flex-direction:column;gap:12px;padding:12px;border:1px solid var(--stroke);border-radius:var(--radius-sm);background:rgba(8,10,22,.4)}
.slider-head{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-dim);margin-bottom:6px}
.slider-head b{font-family:var(--mono);color:var(--cyan);font-size:13px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:5px;background:linear-gradient(90deg,var(--cyan),var(--magenta));outline:none;opacity:.85;cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:17px;height:17px;border-radius:50%;background:#fff;border:2px solid var(--cyan);box-shadow:var(--glow-cyan);cursor:pointer}
input[type=range]::-moz-range-thumb{width:15px;height:15px;border-radius:50%;background:#fff;border:2px solid var(--cyan);box-shadow:var(--glow-cyan);cursor:pointer}

/* buttons */
.run-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--stroke-strong);background:var(--panel-2);color:var(--text);border-radius:var(--radius-sm);padding:12px 12px;font-size:13px;font-weight:700;letter-spacing:.04em;cursor:pointer;transition:transform .12s, box-shadow .2s, border-color .2s, background .2s}
.btn small{font-weight:500;opacity:.7;font-size:11px}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-ico{font-size:14px}
.btn-primary{background:linear-gradient(135deg,rgba(57,230,255,.22),rgba(255,69,208,.18));border-color:var(--cyan);color:#eafcff}
.btn-primary:hover{box-shadow:var(--glow-cyan)}
.btn-secondary{border-color:var(--magenta)}
.btn-secondary:hover{box-shadow:var(--glow-mag)}
.btn-ghost{background:rgba(255,255,255,.04);font-size:12px;padding:9px}
.btn-mini{font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:5px 9px;border-radius:8px;background:rgba(255,255,255,.04);border:1px solid var(--stroke);color:var(--text-dim)}
.btn-mini:hover{color:var(--text)}
.live-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.live-controls .btn{flex:1}
.speed{display:flex;flex-direction:column;gap:4px;font-size:10px;color:var(--text-faint);flex:1.4;min-width:100px}
.speed input{margin-top:2px}

.disclaimer{font-size:10.5px;color:var(--text-faint);line-height:1.5;border-top:1px dashed var(--stroke);padding-top:12px;margin-top:4px}

/* ===== Charts ===== */
.charts{display:flex;flex-direction:column;gap:12px;min-height:560px}
.chart-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.chart-head.sub{margin-top:4px}
.status-pills{display:flex;gap:8px}
.pill{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;padding:5px 10px;border-radius:999px;border:1px solid var(--stroke);color:var(--text-dim);background:rgba(8,10,22,.5)}
.pill-sym{color:var(--cyan)}
#runStatePill.run-live{color:var(--green);border-color:rgba(39,245,163,.4)}
#runStatePill.run-back{color:var(--cyan);border-color:rgba(57,230,255,.4)}
#runStatePill.run-pause{color:var(--amber);border-color:rgba(255,207,92,.4)}
.canvas-wrap{position:relative;width:100%;height:280px;border-radius:var(--radius-sm);overflow:hidden;background:linear-gradient(180deg,rgba(8,10,22,.6),rgba(8,10,22,.2));border:1px solid var(--stroke)}
.canvas-wrap.price{height:230px}
.canvas-wrap canvas{display:block;width:100%;height:100%}
.legend{display:flex;gap:12px;font-size:10.5px;font-family:var(--mono)}
.lg-long{color:var(--green)}.lg-short{color:var(--red)}.lg-exit{color:var(--cyan)}

/* ===== Side panel ===== */
.sidepanel{display:flex;flex-direction:column;gap:14px;position:sticky;top:14px}
.metrics-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.metric{padding:11px 12px;border:1px solid var(--stroke);border-radius:var(--radius-sm);background:linear-gradient(180deg,rgba(255,255,255,.03),transparent)}
.metric-label{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-faint)}
.metric-value{font-family:var(--mono);font-size:18px;font-weight:700;margin-top:3px;letter-spacing:.02em;transition:color .3s}
.metric-sub{font-size:10.5px;color:var(--text-dim);margin-top:2px;font-family:var(--mono)}
.metric.pos .metric-value{color:var(--green)}
.metric.neg .metric-value{color:var(--red)}
.metric.flash{animation:flash .5s ease}
@keyframes flash{0%{box-shadow:0 0 0 0 rgba(57,230,255,.5)}100%{box-shadow:0 0 0 0 rgba(57,230,255,0)}}

/* edge report */
.edge-report{border:1px solid var(--stroke-strong);border-radius:var(--radius-sm);padding:13px;background:linear-gradient(135deg,rgba(57,230,255,.06),rgba(255,69,208,.05))}
.edge-head{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.14em}
.edge-head .ico{color:var(--magenta)}
.edge-verdict{margin-left:auto;font-size:10px;padding:4px 9px;border-radius:999px;border:1px solid var(--stroke);letter-spacing:.1em}
.edge-verdict.good{color:var(--green);border-color:rgba(39,245,163,.5);background:rgba(39,245,163,.08)}
.edge-verdict.mixed{color:var(--amber);border-color:rgba(255,207,92,.5);background:rgba(255,207,92,.08)}
.edge-verdict.bad{color:var(--red);border-color:rgba(255,84,112,.5);background:rgba(255,84,112,.08)}
.edge-text{font-size:12px;color:var(--text-dim);margin-top:9px;line-height:1.5}

/* trade log */
.log-head{display:flex;align-items:center;justify-content:space-between}
.trade-log{font-family:var(--mono);font-size:12px;background:rgba(4,6,14,.6);border:1px solid var(--stroke);border-radius:var(--radius-sm);padding:10px;height:230px;overflow-y:auto;display:flex;flex-direction:column;gap:3px;scroll-behavior:smooth}
.trade-log::-webkit-scrollbar{width:7px}
.trade-log::-webkit-scrollbar-thumb{background:rgba(120,150,255,.25);border-radius:7px}
.log-empty{color:var(--text-faint);font-size:11px;text-align:center;margin:auto;font-family:var(--sans)}
.log-line{display:flex;gap:8px;padding:3px 6px;border-radius:6px;border-left:2px solid transparent;animation:logIn .35s ease}
.log-line .lt{color:var(--text-faint);flex-shrink:0}
.log-line .lmsg{flex:1;color:var(--text-dim)}
.log-line .lpnl{font-weight:700}
.log-line.win{border-left-color:var(--green);background:rgba(39,245,163,.05)}
.log-line.win .lpnl{color:var(--green)}
.log-line.loss{border-left-color:var(--red);background:rgba(255,84,112,.05)}
.log-line.loss .lpnl{color:var(--red)}
.log-line.open{border-left-color:var(--cyan)}
.log-line.open .lmsg{color:var(--text)}
.log-line.sys{border-left-color:var(--amber);color:var(--amber)}
@keyframes logIn{from{opacity:0;transform:translateX(-6px)}to{opacity:1;transform:none}}

.footer{text-align:center;font-size:10.5px;color:var(--text-faint);letter-spacing:.06em;padding:6px 0 2px}

/* ===== Toast ===== */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(20px);z-index:40;background:rgba(10,14,28,.92);border:1px solid var(--stroke-strong);border-radius:12px;padding:11px 18px;font-size:13px;color:var(--text);box-shadow:0 12px 40px rgba(0,0,0,.5);opacity:0;transition:opacity .3s, transform .3s;pointer-events:none;backdrop-filter:blur(10px)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.warn{border-color:rgba(255,207,92,.5);color:var(--amber)}

/* ===== Responsive ===== */
@media (max-width:1180px){
  .layout{grid-template-columns:280px minmax(0,1fr);}
  .sidepanel{grid-column:1 / -1;position:static}
  .metrics-grid{grid-template-columns:repeat(3,1fr)}
  .trade-log{height:200px}
}
@media (max-width:820px){
  .app{padding:10px;gap:10px}
  .layout{grid-template-columns:1fr}
  .controls,.sidepanel{position:static}
  .topbar{justify-content:center;text-align:center}
  .brand{flex:1 1 100%;justify-content:center}
  .topbar-badges{flex:1 1 100%;justify-content:center}
  .canvas-wrap{height:240px}
  .metrics-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:430px){
  .field-group{grid-template-columns:1fr}
  .run-buttons{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .brand-name{font-size:19px}
  .canvas-wrap{height:200px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.05ms!important}
}