:root{
  --bg:#0b1220;
  --card:#0f1b33;
  --muted:#8aa2c2;
  --text:#e6f0ff;
  --accent:#4cc9f0;
  --good:#3ddc97;
  --bad:#ff4d6d;
  --warn:#ffd166;
  --border:rgba(255,255,255,.08);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% 0%, rgba(76,201,240,.18), transparent 60%),
              radial-gradient(900px 600px at 80% 20%, rgba(61,220,151,.14), transparent 55%),
              var(--bg);
  color:var(--text);
}
a{color:var(--accent); text-decoration:none}
.container{
  max-width:1000px;
  margin:0 auto;
  padding:24px;
}
.header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}
.brand{
  display:flex; flex-direction:column; gap:6px;
}
.brand h1{margin:0; font-size:28px; letter-spacing:.2px}
.brand p{margin:0; color:var(--muted); line-height:1.35}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--border);
  border-radius:999px;
  background: rgba(255,255,255,.03);
  color:var(--muted);
  font-size:13px;
  user-select:none;
}
.grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:18px;
}
@media (max-width: 900px){
  .grid{grid-template-columns:1fr}
}
.card{
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  border-radius:16px;
  padding:18px;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.card h2{margin:0 0 10px; font-size:18px}
hr.sep{
  border:none;
  border-top:1px solid var(--border);
  margin:14px 0;
}
.row{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.btn{
  appearance:none;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  transition: transform .05s ease, background .2s ease, border-color .2s ease;
}
.btn:hover{background: rgba(255,255,255,.06)}
.btn:active{transform: translateY(1px)}
.btn.primary{border-color: rgba(76,201,240,.35); background: rgba(76,201,240,.10)}
.btn.good{border-color: rgba(61,220,151,.35); background: rgba(61,220,151,.10)}
.btn.bad{border-color: rgba(255,77,109,.35); background: rgba(255,77,109,.10)}
.small{font-size:13px; color:var(--muted)}
.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:12px;
  padding:2px 6px;
  border:1px solid var(--border);
  border-radius:8px;
  background: rgba(0,0,0,.25);
  color:var(--text);
}
.input, select{
  width:100%;
  padding:12px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  background: rgba(0,0,0,.18);
  color:var(--text);
  outline:none;
}
select{cursor:pointer}
.input:focus, select:focus{
  border-color: rgba(76,201,240,.45);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  font-size:12px;
  border:1px solid var(--border);
  color:var(--muted);
  background: rgba(255,255,255,.02);
}
.badge.ok{color:var(--good); border-color: rgba(61,220,151,.35)}
.badge.no{color:var(--bad); border-color: rgba(255,77,109,.35)}
.badge.warn{color:var(--warn); border-color: rgba(255,209,102,.35)}
.q{
  font-size:16px;
  line-height:1.45;
  margin:0 0 10px;
}
.choice{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  background: rgba(0,0,0,.14);
  margin:8px 0;
  cursor:pointer;
}
.choice:hover{background: rgba(255,255,255,.04)}
.choice input{accent-color: var(--accent)}
.feedback{
  margin-top:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background: rgba(0,0,0,.16);
}
.feedback.good{border-color: rgba(61,220,151,.35)}
.feedback.bad{border-color: rgba(255,77,109,.35)}
.mono{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
.footer{
  margin-top:18px;
  color:var(--muted);
  font-size:13px;
}