/* Base page styling */
body {
  font-family: 'Noto Sans Bengali', sans-serif;
  background-color: #0d1b2a; /* Dark navy blue */
  color: #e0e1dd;
  padding: 20px;
}

/* Container styling */
.container {
  max-width: 800px;
  margin: auto;
  padding: 20px;
  background-color: #1b263b; /* Darker container box */
  border-radius: 10px;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
}

/* Heading */
h2 {
  font-size: 1.8rem;
  text-align: center;
  color: #e0e1dd;
  margin-bottom: 1.5rem;
}

/* Bengali code textarea */
textarea#banglaCode {
  font-family: 'Noto Sans Bengali', sans-serif;
  font-size: 1rem;
  direction: ltr;
  background-color: #1e293b !important;
  color: #f1f5f9 !important;
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 10px;
  width: 100%;
  resize: vertical;
  transition: border-color 0.2s ease-in-out;
}

textarea#banglaCode:focus {
  outline: none;
  border-color: #0ea5e9;
}

/* Output box */
#output {
  white-space: pre-wrap;
  font-family: monospace;
  background: #1e293b;
  color: #f1f5f9;
  border-radius: 6px;
  padding: 12px;
  min-height: 120px;
  border: 1px solid #334155;
  overflow-x: auto;
  transition: border-color 0.2s ease-in-out;
}

/* Button container layout */
.d-flex {
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

/* Buttons */
.btn {
  flex: 1 1 auto;
  min-width: 120px;
  font-weight: 500;
  transition: all 0.2s ease-in-out;
  padding: 10px 16px;
}

.btn-success {
  background-color: #0ea5e9;
  border-color: #0ea5e9;
  color: white;
}

.btn-success:hover {
  background-color: #0284c7;
  border-color: #0284c7;
}

.btn-danger {
  background-color: #ef4444;
  border-color: #ef4444;
  color: white;
}

.btn-danger:hover {
  background-color: #dc2626;
  border-color: #dc2626;
}

/* Responsive layout for smaller screens */
@media screen and (max-width: 576px) {
  h2 {
    font-size: 1.4rem;
  }

  textarea#banglaCode {
    font-size: 0.95rem;
  }

  .btn {
    font-size: 0.95rem;
    min-width: 100%;
  }

  .d-flex {
    flex-direction: column;
  }
}