body {
  font-family: 'Poppins', sans-serif;
  background: #f7f7f7;
  margin: 0;
  padding: 20px;
  color: #333;
}

.invoice-container {
  max-width: 900px;
  margin: auto;
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

h1 {
  text-align: center;
  color: #444;
}

input, textarea, button {
  padding: 8px;
  margin: 6px 0;
  border-radius: 6px;
  border: 1px solid #ccc;
  width: 100%;
  font-size: 14px;
}

button {
  background-color: #4caf50;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #3b913f;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 10px;
  border-bottom: 1px solid #ddd;
  text-align: center;
}

.logo-preview {
  margin-top: 10px;
  height: 80px;
  width: 150px;
  border: 1px dashed #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.summary {
  text-align: right;
  margin-top: 20px;
  font-size: 18px;
  font-weight: bold;
}

.actions {
  text-align: center;
  margin-top: 20px;
}

.invoice-preview {
  background: #fff;
  margin-top: 30px;
  padding: 15px;
  border-radius: 10px;
  border: 1px solid #ccc;
}

.invoice-preview img {
  max-width: 150px;
  margin-bottom: 10px;
}