body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;
  background:#f5f7ff;
  color:#111827;
  margin:0
}

a{color:#3b5bff}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 18px;
  background:#ffffff;
  border-bottom:1px solid #e6e8f2
}

.nav .links a{
  margin-left:12px;
  text-decoration:none;
  color:#3b5bff
}

.nav .links a:hover{opacity:.85}

.wrap{max-width:1100px;margin:24px auto;padding:0 16px}

.card{
  background:#ffffff;
  border:1px solid #e6e8f2;
  border-radius:14px;
  padding:16px;
  margin:14px 0;
  box-shadow:0 8px 24px rgba(17,24,39,.06)
}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}

label{display:block;margin:10px 0 6px;color:#374151;font-weight:600}

input,select,button{
  width:100%;
  padding:10px;
  border-radius:10px;
  border:1px solid #d7dbeb;
  background:#ffffff;
  color:#111827
}

input:focus,select:focus{
  outline:none;
  border-color:#3b5bff;
  box-shadow:0 0 0 3px rgba(59,91,255,.14)
}

button{
  cursor:pointer;
  font-weight:700;
  border-color:#cfd6ff;
  background:#3b5bff;
  color:#ffffff
}

button:hover{opacity:.92}

.row{display:flex;gap:10px}
.row button{width:50%}

.ok{
  padding:10px;
  border-radius:10px;
  background:#ecfdf5;
  border:1px solid #a7f3d0;
  color:#065f46
}

.err{
  padding:10px;
  border-radius:10px;
  background:#fef2f2;
  border:1px solid #fecaca;
  color:#991b1b
}

.warn{
  padding:10px;
  border-radius:10px;
  background:#fffbeb;
  border:1px solid #fde68a;
  color:#92400e
}

.warnlist{margin:0;padding-left:18px}
.warnlist li{margin:6px 0}

.hint{opacity:.85;font-size:.92rem;margin-top:8px;color:#4b5563}

.danger{
  background:#ffffff;
  color:#991b1b;
  border-color:#fecaca
}

.danger:hover{background:#fef2f2}

.inline{display:flex;gap:10px;align-items:center}

table{width:100%;border-collapse:collapse}

th,td{
  border-bottom:1px solid #eef0f8;
  padding:10px;
  text-align:left;
  font-size:.95rem
}

th{
  color:#374151;
  font-weight:800;
  background:#fafbff
}

tr:hover td{background:#fafbff}

code{
  background:#f3f4f6;
  padding:2px 6px;
  border-radius:8px;
  color:#111827
}

.btn{
  display:inline-block;
  margin:6px 0;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid #d7dbeb;
  text-decoration:none;
  background:#ffffff;
  color:#3b5bff;
  font-weight:700
}

.btn:hover{background:#fafbff}

@media (max-width:900px){
  .grid{grid-template-columns:1fr}
}