:root{
  --bg:#0b0e14;
  --card:#121826;
  --text:#e7eaf0;
  --muted:#9aa3b2;
  --accent:#7c5cff;
  --danger:#ff4d6d;
  --ok:#3ddc97;
  --border:rgba(255,255,255,.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  background: radial-gradient(1000px 600px at 20% 10%, rgba(124,92,255,.25), transparent 60%),
              radial-gradient(1000px 600px at 80% 30%, rgba(61,220,151,.14), transparent 60%),
              var(--bg);
  color:var(--text);
}

a{color:var(--text); text-decoration:none}
a:hover{opacity:.9}

.container{
  max-width:980px;
  margin:0 auto;
  padding:28px 16px 80px;
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:.4px;
}
.badge{
  font-size:12px;
  padding:3px 8px;
  border:1px solid var(--border);
  border-radius:999px;
  color:var(--muted);
}

.grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media (min-width:900px){
  .grid{grid-template-columns:1.1fr .9fr;}
}

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.03), transparent 40%), var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px;
  box-shadow:0 10px 40px rgba(0,0,0,.35);
}

h1{margin:8px 0 10px; font-size:34px}
h2{margin:0 0 12px; font-size:18px}
p{margin:0 0 12px; color:var(--muted); line-height:1.5}

button{
  appearance:none;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  font-weight:600;
}
button.primary{
  border-color:rgba(124,92,255,.35);
  background:rgba(124,92,255,.16);
}
button.danger{
  border-color:rgba(255,77,109,.35);
  background:rgba(255,77,109,.14);
}
button:disabled{opacity:.55; cursor:not-allowed}

input{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(0,0,0,.22);
  color:var(--text);
  outline:none;
}
label{display:block; font-size:12px; color:var(--muted); margin:12px 0 6px}

.row{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.spacer{height:10px}

.notice{
  margin-top:12px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--muted);
}
.notice.ok{border-color:rgba(61,220,151,.3)}
.notice.err{border-color:rgba(255,77,109,.3)}
.small{font-size:12px}