* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #111827, #1f2937);
  color: #111827;
  padding: 28px;
}
.card, .wide-card {
  background: white;
  max-width: 540px;
  margin: 25px auto;
  padding: 28px;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.wide-card { max-width: 1150px; }
.brand {
  font-weight: 900;
  letter-spacing: 2px;
  color: #111827;
}
h1 { margin-bottom: 8px; }
.muted { color: #667085; }
input, button {
  width: 100%;
  padding: 15px;
  border-radius: 14px;
  border: 1px solid #ddd;
  font-size: 16px;
  margin: 10px 0;
}
button, .button {
  display: inline-block;
  background: #111827;
  color: white;
  border: none;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  padding: 14px 18px;
  border-radius: 14px;
}
.small { width: auto; padding: 9px 14px; }
.package {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 14px;
  margin: 10px 0;
}
.package input { width: auto; }
.package span { display: block; color: #667085; font-size: 14px; margin-top: 4px; }
.credentials {
  background: #f3f4f6;
  padding: 18px;
  border-radius: 16px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.stat {
  background: #f3f4f6;
  padding: 18px;
  border-radius: 18px;
}
.stat b { font-size: 25px; display: block; }
.stat span { color: #667085; }
table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}
th, td {
  border-bottom: 1px solid #e5e7eb;
  padding: 11px;
  text-align: left;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.error { color: #b91c1c; }
@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr 1fr; }
}