:root{
  --bg1:#0b1020;
  --bg2:#0a0f18;
  --card:#0f172a;
  --stroke:#233055;
  --text:#e7eefc;
  --muted:#9fb0d0;
  --brand:#6ee7ff;
  --brand2:#a78bfa;
  --danger:#ff6b6b;
  --ok:#4ade80;
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  background:
    radial-gradient(900px 600px at 20% 10%, rgba(110,231,255,.20), transparent 60%),
    radial-gradient(900px 600px at 80% 20%, rgba(167,139,250,.18), transparent 60%),
    linear-gradient(180deg, var(--bg1), var(--bg2));
}

.container{
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 16px 60px;
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border:1px solid rgba(255,255,255,.06);
  background: rgba(15,23,42,.55);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:700;
  letter-spacing:.3px;
}
.badge{
  font-size:12px;
  color:var(--muted);
  border:1px solid rgba(255,255,255,.10);
  padding:4px 10px;
  border-radius: 999px;
}

.actions a{
  text-decoration:none;
  color:var(--text);
  padding:10px 12px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.15);
}
.actions a:hover{border-color: rgba(110,231,255,.25)}

.grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  margin-top: 18px;
}

@media (max-width: 860px){
  .grid{grid-template-columns:1fr}
}

.card{
  border:1px solid rgba(255,255,255,.08);
  background: rgba(15,23,42,.70);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  backdrop-filter: blur(12px);
}

h1{margin:0 0 8px; font-size:28px}
p{margin:0 0 12px; color:var(--muted); line-height:1.45}

.form{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top: 12px;
}

.label{font-size:13px; color:var(--muted)}
.input{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(2,6,23,.55);
  color: var(--text);
  outline:none;
}
.input:focus{border-color: rgba(110,231,255,.35)}

.row{display:flex; gap:10px}
.row > *{flex:1}

.btn{
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(90deg, rgba(110,231,255,.24), rgba(167,139,250,.22));
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}
.btn:hover{border-color: rgba(110,231,255,.35)}

.alert{
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.20);
}
.alert.ok{border-color: rgba(74,222,128,.35)}
.alert.err{border-color: rgba(255,107,107,.35); color: #ffd1d1}

.small{
  font-size: 13px;
  color: var(--muted);
}
.small a{color: var(--brand); text-decoration:none}
.small a:hover{text-decoration:underline}