* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  margin: 0;
  background: #0f1419;
  color: #e7ecf3;
  line-height: 1.5;
}
header, main, footer { max-width: 960px; margin: 0 auto; padding: 1rem 1.5rem; }
header h1 { margin: 0; color: #5eead4; }
header p { color: #94a3b8; margin: 0.5rem 0 0; }
.card {
  background: #1a2332;
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid #2d3a4f;
}
.stats { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.stat {
  flex: 1;
  min-width: 140px;
  background: #1a2332;
  border-radius: 12px;
  padding: 1rem;
  border: 1px solid #2d3a4f;
}
.stat .label { display: block; color: #94a3b8; font-size: 0.85rem; }
.stat .value { font-size: 1.5rem; font-weight: 600; color: #5eead4; }
input, select, button {
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  border: 1px solid #2d3a4f;
  background: #0f1419;
  color: #e7ecf3;
  margin-right: 0.5rem;
}
button, .btn-small {
  background: #0d9488;
  color: #fff;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-size: 0.9rem;
}
button.danger, .danger { background: #dc2626; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid #2d3a4f; }
code { background: #0f1419; padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.85em; }
.hint { color: #94a3b8; font-size: 0.9rem; }
.alert { background: #7f1d1d; padding: 1rem; border-radius: 8px; }
footer { color: #64748b; font-size: 0.85rem; }
.command-box {
  background: #0f1419;
  border: 1px solid #2d3a4f;
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.9rem;
  white-space: pre-wrap;
  word-break: break-all;
}
.highlight { border-color: #0d9488; }
.success-box { border-color: #22c55e; }
.big-link { font-size: 1.25rem; color: #5eead4; }
.info-table td { padding: 0.4rem 0.8rem 0.4rem 0; vertical-align: top; }
.info-table td:first-child { color: #94a3b8; white-space: nowrap; }
.topup-form { margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid #2d3a4f; }
.topup-form h3 { margin: 0 0 0.75rem; font-size: 1rem; }
.topup-form label { display: block; margin: 0.5rem 0; }
.topup-form input { width: 100%; max-width: 320px; margin-top: 0.25rem; }
.paypal-btn { background: #0070ba; }
.alert.success { background: #14532d; border: 1px solid #22c55e; padding: 1rem; border-radius: 8px; margin-bottom: 1rem; }
.ledger td, .ledger th { font-size: 0.85rem; }