* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0b0e14;
  color: #e8eefc;
  min-height: 100vh;
}

.card {
  max-width: 480px;
  margin: 80px auto;
  padding: 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  text-align: center;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand {
  font-weight: 600;
}

.grid {
  max-width: 720px;
  margin: 32px auto;
  padding: 0 16px;
}

.grid > .card {
  max-width: none;
  text-align: left;
  margin: 0;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 10px;
  background: #ff444f;
  color: white;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
}

.btn.ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #e8eefc;
}

.hint {
  opacity: 0.6;
  font-size: 13px;
}

.account-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}

.account-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.nickname-input {
  flex: 1;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.2);
  color: #e8eefc;
}

.deriv-id {
  font-family: monospace;
  opacity: 0.6;
  font-size: 13px;
  white-space: nowrap;
}

.account-meta {
  display: flex;
  gap: 10px;
  font-size: 13px;
  opacity: 0.75;
  margin-bottom: 12px;
}

.account-meta span {
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 8px;
  border-radius: 6px;
}

.deposit-row {
  display: flex;
  gap: 8px;
}

.deposit-amount {
  flex: 1;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.2);
  color: #e8eefc;
}