:root {
  --primary-color: #3498db;
  --primary-dark: #2980b9;
  --secondary-color: #2ecc71;
  --secondary-dark: #27ae60;
  --background-color: #ecf0f1;
  --text-color: #2c3e50;
  --error-color: #e74c3c;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
}

.container {
  margin: 2rem auto;
  padding: 2rem;
  width: 800px;
  max-width: 800px;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.header h1, h2{
  margin: 0;
  text-align: center;
  color: var(--primary-color);
}

.header h2 {
  margin-bottom: 2rem;
  color: var(--primary-dark);
}

.upload-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin: 2rem auto;
  padding: 1rem;
  min-width: 450px;
  border-radius: 0.5rem;
  width: 50%;
  background-color: var(--background-color);
}

.result-header {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--primary-dark);
}

.downloadAll-btn {
  padding: 0.5rem 1rem;
  background-color: var(--secondary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.downloadAll-btn:hover {
  background-color: var(--secondary-dark);
}

.file-input-wrapper {
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.file-input {
  position: absolute;
  font-size: 100px;
  right: 0;
  top: 0;
  opacity: 0;
  cursor: pointer;
}

.file-label {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background-color: var(--primary-color);
  color: white;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.icon {
  margin-right: 0.5rem;
}

.file-name {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.process-btn {
  padding: 0.5rem 1rem;
  background-color: var(--secondary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.process-btn:hover {
  background-color: var(--secondary-dark);
}

.error-message {
  color: var(--error-color);
  text-align: center;
  margin-bottom: 1rem;
}

.result-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: center;
  width: 100%;
  margin-top: 2rem;
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-item-container {
  display: grid;
  grid-template-columns: 2fr 4fr 1fr;
  gap: 0.5rem;
  padding: 1rem;
  background-color: #f8f9fa;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  align-items: center;
}

.result-item-container span {
  display: flex;
  align-items: center;
}

.result-item-container svg {
  margin-right: 0.5rem;
}

.result-item-container button {
  padding: 0.25rem 0.5rem;
  background-color: var(--secondary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.result-item-container button:hover {
  background-color: var(--secondary-dark);
}

.result-item {
  width: 100%;
}

@media (max-width: 600px) {
  .container {
    padding: 1rem;
  }

  .result-item-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}