:root{
  --bg: #0b1220;
  --card: #111a2e;
  --text: #e8eefc;
  --muted: #b7c3df;
  --accent: #6aa6ff;
  --accent-2: #7bf1c7;
  --border: rgba(255,255,255,.10);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{ box-sizing: border-box; }

body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% 10%, rgba(106,166,255,.25), transparent 60%),
              radial-gradient(1000px 600px at 90% 30%, rgba(123,241,199,.18), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container{
  width: min(980px, 92vw);
  margin: 0 auto;
}

.topbar{
  padding: 56px 0 28px;
  border-bottom: 1px solid var(--border);
}

.badge{
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
  background: rgba(255,255,255,.03);
}

h1{
  margin: 12px 0 6px;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.02em;
}

.subtitle{
  margin: 0;
  color: var(--muted);
}

main{
  padding: 28px 0 56px;
}

.card{
  background: rgba(17,26,46,.85);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 18px;
  box-shadow: var(--shadow);
  margin: 16px 0;
}

.card h2{
  margin: 0 0 10px;
  font-size: 18px;
}

.grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.grid > div{
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,.03);
}

dt{
  font-size: 12px;
  color: var(--muted);
}

dd{
  margin: 4px 0 0;
  font-weight: 600;
}

.hint{
  color: var(--muted);
  font-size: 13px;
  margin-top: 10px;
}

.actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.btn{
  appearance: none;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #07101f;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .12s ease, filter .12s ease, border-color .12s ease;
}

.btn:hover{ transform: translateY(-1px); filter: brightness(1.05); }
.btn:active{ transform: translateY(0px); }

.btn-outline{
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.form{
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

label{
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input, textarea{
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline: none;
}

input:focus, textarea:focus{
  border-color: rgba(106,166,255,.55);
  box-shadow: 0 0 0 4px rgba(106,166,255,.12);
}

.footer{
  border-top: 1px solid var(--border);
  padding: 18px 0;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 720px){
  .grid{ grid-template-columns: 1fr; }
}