.premium-banner {
  background: rgba(59, 130, 246, 0.04);
  border: 1px solid #E5E7EB;
  border-radius: 16px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
}

.premium-banner-left {
  min-width: 0;
}

.premium-banner-title {
  font-weight: 700;
  color: #374151;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.premium-banner-icon {
  color: #3B82F6;
  font-size: 14px;
}

.premium-banner-subtitle {
  font-size: 12px;
  color: #6B7280;
  line-height: 1.4;
}

.premium-banner-right {
  flex-shrink: 0;
}

.premium-banner-btn {
  background: #3B82F6;
  border: 1px solid #3B82F6;
  color: #fff;
  padding: 7px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
  line-height: 1;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.28);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.premium-banner-btn:hover {
  background: #2563EB;
  border-color: #2563EB;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(59, 130, 246, 0.32);
}

@media (max-width: 600px) {
  .premium-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .premium-banner-btn {
    width: 100%;
    justify-content: center;
    display: inline-flex;
  }
}