/* Main Container */
.wpcu-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-family: sans-serif;
  border: 1px solid #ddd;
  padding: 20px;
  border-radius: 8px;
  background: #f9f9f9;
}

/* Left & Right Panels */
.wpcu-left-panel,
.wpcu-right-panel {
  flex: 1;
  min-width: 300px;
}

.wpcu-left-panel {
  display: flex;
  flex-direction: column;
}

.wpcu-right-panel {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 250px;
  background: #e9e9e9;
  border-radius: 5px;
  text-align: center;
  color: #666;
  position: relative;
  padding: 15px;
}

/* Form Elements */
.wpcu-left-panel label {
  font-weight: bold;
  margin-bottom: 8px;
}

.wpcu-prompt {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  margin-bottom: 15px;
  resize: vertical;
}

.wpcu-generate-btn {
  padding: 12px 20px;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

.wpcu-generate-btn:hover {
  background-color: #555;
}

.wpcu-generate-btn:disabled {
  background-color: #999;
  cursor: not-allowed;
}

/* Result & Loader */
.wpcu-loader {
  text-align: center;
}
.wpcu-spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3498db;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 10px;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.wpcu-result-output {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  width: 100%;
}

/* --- (CẬP NHẬT) KIỂU NÚT DOWNLOAD --- */
.wpcu-download-btn {
  display: block;
  width: 100%;
  padding: 12px 20px;
  background-color: #333;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-size: 16px;
  text-align: center;
  box-sizing: border-box;
  transition: background-color 0.3s;
}

.wpcu-download-btn:hover {
  background-color: #555;
}