@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

:root
{
  --primary-color: #4361ee;
  --secondary-color: #3f37c9;
  --accent-color: #4cc9f0;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --success-color: #4bb543;
  --warning-color: #f8961e;
  --danger-color: #f94144;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
      color: var(--dark-color);
      /* background-color: #f8f9fa; */
      line-height: 1.6;
  padding: 20px;
  padding-top: 60px;
}

.container
{
  width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  /* height: 73vh; */
}

.heading-2
{
  color: #4361ee;
  margin-bottom: 20px;
  font-size: 1.8rem;
  border-bottom: 2px solid var(--light-color);
  padding-bottom: 10px;
  margin-top: 30px;
}

.card
{
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 25px;
  margin-bottom: 30px;
}

.input-section
{
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.textarea-input
{
  max-width: 100%;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  /* resize: vertical; */
  resize: none;
  overflow: hidden;
  /* min-height: fit-content; */
  transition: var(--transition);
}

.textarea-input:focus
{
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.button-group
{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.btn
{
  padding: 12px 20px;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn:disabled
{
  opacity: 0.6;
  cursor: not-allowed;
}

.btn i
{
  font-size: 1.1rem;
}

.btn-primary
{
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover:not(:disabled)
{
  background-color: var(--secondary-color);
}

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

.btn-secondary:hover:not(:disabled)
{
  background-color: #e9ecef;
}

.btn-danger
{
  background-color: var(--danger-color);
  color: white;
}

.btn-danger:hover:not(:disabled)
{
  background-color: #e03131;
}

.btn-success
{
  background-color: var(--success-color);
  color: white;
}

.btn-success:hover:not(:disabled)
{
  background-color: #3aa83a;
}

.file-upload
{
  display: flex;
  align-items: center;
  gap: 10px;
}

.file-upload input[type="file"]
{
  display: none;
}

.file-upload-label
{
  padding: 12px 20px;
  background-color: var(--light-color);
  color: var(--dark-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.file-upload-label:hover
{
  background-color: #e9ecef;
}

.status
{
  padding: 15px;
  background-color: #e7f5ff;
  border-left: 4px solid var(--primary-color);
  border-radius: var(--border-radius);
  margin: 20px 0;
  font-weight: 500;
}

.status.danger
{
  background-color: #ffe7e7;
  border-left-color: #f94144;
  cursor: pointer;
}

.status.warning
{
  background-color: #fff4e7;
  border-left-color: #f8961e;
}

.result-item
{
  margin-bottom: 20px;
}

.result-item strong
{
  display: block;
  margin-bottom: 8px;
  color: var(--primary-color);
}

.pre-formatted
{
  background-color: #f8f9fa;
  padding: 15px;
  border-radius: var(--border-radius);
  border: 1px solid #ddd;
  overflow-x: auto;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.tab-container
{
  margin-top: 30px;
}

.tabs
{
  display: flex;
  border-bottom: 1px solid #ddd;
  margin-bottom: 20px;
}

.tab
{
  padding: 10px 20px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  font-weight: 500;
}

.tab.active
{
  border-bottom-color: var(--primary-color);
  color: var(--primary-color);
}

.tab-content
{
  display: none;
}

.tab-content.active
{
  display: block;
}

@media (max-width: 768px)
{
  .container
  {
    padding: 15px;
  }

  .button-group
  {
    flex-direction: column;
  }

  .btn,
  .file-upload-label
  {
    width: 100%;
    justify-content: center;
  }
}