body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, #030922, #0a164a);
  color: #f5f9ff;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: rgba(5, 15, 44, 0.92);
  border-bottom: 1px solid rgba(86, 139, 241, 0.35);
}

.topbar .brand {
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar nav a {
  margin-left: 18px;
  color: rgba(205, 219, 255, 0.8);
  text-decoration: none;
}

.topbar nav a.active {
  color: #4de1c1;
}

.button-primary,
.button-secondary {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 14px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.button-primary {
  background: linear-gradient(135deg, #2c5bf5, #4de1c1);
  color: #030922;
}

.button-secondary {
  background: rgba(12, 29, 82, 0.72);
  color: #f5f9ff;
  border: 1px solid rgba(86, 139, 241, 0.32);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  padding: 80px 40px;
}

.balances {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  padding: 40px;
}

.balance-card {
  padding: 24px;
  border-radius: 18px;
  background: rgba(6, 16, 46, 0.88);
  border: 1px solid rgba(100, 152, 255, 0.22);
}

.task-grid,
.referral-list,
.history-grid {
  display: grid;
  gap: 18px;
  padding: 40px;
}

.task-card,
.referral-entry,
.history-row {
  background: rgba(5, 15, 44, 0.85);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid rgba(86, 139, 241, 0.25);
}

.auth,
.contact,
.withdrawals {
  padding: 60px 40px;
  max-width: 640px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 18px;
}

.form-row label {
  margin-bottom: 6px;
}

.form-row input,
.form-row select,
.form-row textarea {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(86, 139, 241, 0.3);
  background: rgba(3, 9, 34, 0.85);
  color: #f5f9ff;
}

footer {
  text-align: center;
  padding: 30px;
  color: rgba(205, 219, 255, 0.6);
}