/* NEON DRIFT — DeltaHacks Edition
   No external assets. Everything is CSS/Canvas.
*/
:root{
  --bg0:#070A12;
  --bg1:#0B1024;
  --card:#0D1330cc;
  --stroke:#2B3A7C;
  --text:#EAF0FF;
  --muted:#A8B3D6;
  --neon1:#66F2FF;
  --neon2:#B36BFF;
  --good:#41FF9A;
  --warn:#FFCC66;
  --bad:#FF4D6D;
  --shadow: 0 20px 60px rgba(0,0,0,.55);
  --radius: 20px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(179,107,255,.15), transparent 60%),
    radial-gradient(900px 500px at 110% 0%, rgba(102,242,255,.12), transparent 60%),
    radial-gradient(800px 700px at 60% 120%, rgba(65,255,154,.08), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow:hidden;
}

#app{height:100%; display:flex; flex-direction:column}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 18px;
  gap:14px;
}

.brand{display:flex; align-items:center; gap:12px}
.logo{
  width:44px; height:44px; border-radius:14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(102,242,255,.95), rgba(179,107,255,.2) 55%, rgba(65,255,154,.15) 75%, transparent 76%),
    linear-gradient(135deg, rgba(102,242,255,.25), rgba(179,107,255,.25));
  border:1px solid rgba(255,255,255,.1);
  box-shadow: 0 0 0 2px rgba(102,242,255,.07), 0 0 40px rgba(179,107,255,.2);
}
.title h1{margin:0; font-size:18px; letter-spacing:.2em}
.subtitle{margin:2px 0 0; color:var(--muted); font-size:12px}

.hud{display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end}
.pill{
  display:flex; align-items:baseline; gap:8px;
  padding:10px 12px;
  border-radius:999px;
  background: rgba(13,19,48,.55);
  border:1px solid rgba(43,58,124,.6);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.pill .k{font-size:11px; color:var(--muted); letter-spacing:.08em; text-transform:uppercase}
.pill .v{font-size:16px; font-weight:700}

.stage{
  position:relative;
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 0 14px 14px;
}

canvas{
  width:min(100%, 1100px);
  height:auto;
  max-height: calc(100vh - 190px);
  border-radius: var(--radius);
  background: rgba(0,0,0,.2);
  border:1px solid rgba(43,58,124,.55);
  box-shadow: var(--shadow);
  touch-action:none;
}

.overlay{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 18px;
  background: radial-gradient(1000px 700px at 50% 30%, rgba(0,0,0,.55), rgba(0,0,0,.72));
}

.card{
  width:min(860px, 96vw);
  border-radius: var(--radius);
  background: var(--card);
  border:1px solid rgba(43,58,124,.65);
  box-shadow: var(--shadow);
  padding: 18px 18px 14px;
  backdrop-filter: blur(10px);
}
.card h2{margin: 2px 0 6px; letter-spacing:.18em}
.muted{color:var(--muted)}
.tiny{font-size:12px}
.footer{margin-top:14px}

.grid2{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:14px}
@media (max-width: 820px){
  .grid2{grid-template-columns:1fr}
}

.box{
  background: rgba(8,12,28,.6);
  border:1px solid rgba(43,58,124,.55);
  border-radius: 16px;
  padding: 12px 12px 10px;
}
.box h3{margin:0 0 6px; font-size:14px; letter-spacing:.06em}
.box ul{margin:6px 0 0 18px; padding:0}
.box li{margin:6px 0; color: #D6DEFF}

.row{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px}
.btn{
  padding:10px 14px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(8,12,28,.55);
  color: var(--text);
  cursor:pointer;
  font-weight:700;
  letter-spacing:.03em;
  transition: transform .08s ease, filter .15s ease, background .15s ease;
}
.btn:hover{filter: brightness(1.08)}
.btn:active{transform: translateY(1px) scale(.99)}
.primary{
  border-color: rgba(102,242,255,.35);
  background: linear-gradient(135deg, rgba(102,242,255,.22), rgba(179,107,255,.18));
  box-shadow: 0 0 0 3px rgba(102,242,255,.07), 0 16px 40px rgba(0,0,0,.35);
}

kbd{
  display:inline-block;
  padding: 2px 7px;
  border-radius: 8px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.07);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  margin-right:2px;
}

.toast{
  position:absolute;
  left:50%;
  bottom:24px;
  transform: translateX(-50%);
  padding:10px 12px;
  border-radius: 14px;
  background: rgba(8,12,28,.72);
  border:1px solid rgba(43,58,124,.6);
  box-shadow: 0 12px 40px rgba(0,0,0,.45);
  color: #EAF0FF;
  max-width: min(520px, 92vw);
  text-align:center;
}

.help{
  position:absolute;
  top: 88px;
  left: 22px;
  pointer-events:none;
}
.helpCard{
  pointer-events:auto;
  width: 280px;
  border-radius: 16px;
  background: rgba(8,12,28,.72);
  border:1px solid rgba(43,58,124,.6);
  box-shadow: 0 12px 40px rgba(0,0,0,.45);
  padding: 10px 10px 8px;
}
.helpTitle{font-weight:900; letter-spacing:.1em; font-size:12px; color:#DDE6FF; opacity:.9; margin:4px 6px 8px}
.helpRow{display:flex; justify-content:space-between; align-items:center; gap:10px; padding:6px 6px; border-top:1px solid rgba(255,255,255,.06)}
.helpRow span:first-child{color:var(--muted); font-size:12px}
.hidden{display:none}

.bottombar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 10px 16px 14px;
  gap:12px;
  color: var(--muted);
}
.dot{
  width:10px; height:10px; border-radius:999px;
  background: rgba(102,242,255,.9);
  display:inline-block;
  box-shadow: 0 0 18px rgba(102,242,255,.35);
  margin-right:8px;
}