:root{
  --bg:#050814;
  --panel:rgba(8,12,22,.72);
  --stroke:rgba(120,170,255,.18);
  --stroke2:rgba(120,255,210,.14);
  --text:rgba(240,246,255,.90);
  --muted:rgba(240,246,255,.62);
  --accent:rgba(120,170,255,.90);
  --accent2:rgba(120,255,210,.82);
  --warn:rgba(255,190,120,.85);
}

html,body{
  width:100%;
  height:100%;
  margin:0;
  overflow:hidden;
  background:var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

#renderCanvas{
  width:100%;
  height:100%;
  display:block;
  outline:none;
  touch-action:none;
}

.hud{
  position:fixed;
  inset:0;
  display:flex;
  justify-content:space-between;
  padding:14px;
  gap:14px;
  pointer-events:none;
}

.hud-left{ max-width:62vw; }
.hud-right{ width:420px; max-width:46vw; display:flex; flex-direction:column; gap:12px; }

.brand{
  pointer-events:none;
  margin-bottom:10px;
}
.brand-line1{
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:700;
  font-size:14px;
  color:var(--text);
}
.brand-line2{
  margin-top:4px;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-size:11px;
  color:var(--muted);
}

.controls{
  pointer-events:auto;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  background:linear-gradient(180deg, rgba(9,12,22,.62), rgba(9,12,22,.40));
  border:1px solid var(--stroke);
  border-radius:14px;
  padding:10px;
  backdrop-filter: blur(10px);
}

.sep{
  width:1px;
  height:26px;
  background:rgba(120,170,255,.18);
  margin:0 4px;
}

.btn{
  pointer-events:auto;
  border:1px solid rgba(120,170,255,.22);
  background:rgba(6,10,18,.62);
  color:var(--text);
  font-size:12px;
  line-height:1;
  padding:9px 10px;
  border-radius:12px;
  cursor:pointer;
  user-select:none;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.btn:hover{
  border-color:rgba(120,170,255,.45);
}

.btn.primary{
  border-color:rgba(120,255,210,.35);
  box-shadow: 0 0 0 1px rgba(120,255,210,.08) inset;
}

.btn.active{
  border-color:rgba(240,246,255,.55);
  box-shadow: 0 0 0 2px rgba(120,170,255,.12) inset;
}

.status{
  pointer-events:none;
  margin-top:10px;
  display:flex;
  align-items:center;
  gap:10px;
  background:rgba(8,12,22,.48);
  border:1px solid rgba(120,170,255,.14);
  border-radius:14px;
  padding:9px 10px;
  width:max-content;
  backdrop-filter: blur(10px);
}

.dot{
  width:8px;
  height:8px;
  border-radius:999px;
  background:rgba(255,190,120,.9);
  box-shadow:0 0 14px rgba(255,190,120,.30);
}

.hint{
  pointer-events:none;
  margin-top:12px;
  width:max-content;
  background:rgba(8,12,22,.42);
  border:1px solid rgba(120,170,255,.14);
  border-radius:14px;
  padding:10px 12px;
  backdrop-filter: blur(10px);
}

.hint-title{
  color:var(--text);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:6px;
}

.hint-body{
  color:var(--muted);
  font-size:12px;
  line-height:1.55;
}

.k{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  color:rgba(240,246,255,.86);
  padding:0 6px;
  border:1px solid rgba(120,170,255,.20);
  border-radius:10px;
  background:rgba(6,10,18,.55);
}

.panel{
  pointer-events:none;
  background:var(--panel);
  border:1px solid rgba(120,170,255,.16);
  border-radius:16px;
  overflow:hidden;
  backdrop-filter: blur(12px);
}

.panel-title{
  padding:10px 12px;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:rgba(240,246,255,.82);
  border-bottom:1px solid rgba(120,170,255,.12);
  background:linear-gradient(180deg, rgba(12,18,34,.65), rgba(12,18,34,.25));
}

.panel-body{
  margin:0;
  padding:10px 12px;
  font-size:12px;
  color:rgba(240,246,255,.76);
  max-height:36vh;
  overflow:auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  line-height:1.45;
  white-space:pre-wrap;
}