/* LU Decomposition Calculator Styles */
.lu-decomp-calculator {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue",
    sans-serif;
}

.lu-decomp-calculator h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #333;
}

.matrix-size-container {
  margin-bottom: 20px;
  text-align: center;
}

.matrix-size-container label {
  margin-right: 10px;
  font-weight: bold;
}

.matrix-size-container select {
  padding: 8px 12px;
  border-radius: 4px;
  border: 1px solid #ddd;
}

.matrix-input-container {
  margin-bottom: 20px;
}

.matrix-input-container h3 {
  margin-bottom: 10px;
  text-align: center;
}

.matrix-grid {
  display: grid;
  gap: 10px;
  margin: 0 auto;
  max-width: 100%;
  overflow-x: auto;
}

.matrix-grid.size-2 {
  grid-template-columns: repeat(2, 1fr);
}

.matrix-grid.size-3 {
  grid-template-columns: repeat(3, 1fr);
}

.matrix-grid.size-4 {
  grid-template-columns: repeat(4, 1fr);
}

.matrix-grid.size-5 {
  grid-template-columns: repeat(5, 1fr);
}

.matrix-input {
  width: 100%;
  padding: 8px;
  text-align: center;
  border: 1px solid #ddd;
  border-radius: 4px;
}

.calculate-button {
  display: block;
  width: 100%;
  max-width: 300px;
  margin: 20px auto;
  padding: 12px 20px;
  background-color: #000000;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
}

.calculate-button:hover {
  background-color: #333333;
}

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

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

.result-section h3 {
  margin-bottom: 10px;
  text-align: center;
}

.result-matrix {
  margin: 0 auto;
}

.matrix-cell {
  padding: 8px;
  text-align: center;
  border: 1px solid #ddd;
  background-color: #f9f9f9;
  border-radius: 4px;
}

.verification-section {
  margin-top: 30px;
}

/* Responsive styles */
@media (max-width: 768px) {
  .lu-decomp-calculator {
    padding: 15px;
  }

  .matrix-grid {
    gap: 5px;
  }

  .matrix-input {
    padding: 6px;
    font-size: 14px;
  }

  .calculate-button {
    padding: 10px 15px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .lu-decomp-calculator {
    padding: 10px;
  }

  .matrix-grid {
    gap: 3px;
  }

  .matrix-input {
    padding: 4px;
    font-size: 12px;
  }

  .calculate-button {
    padding: 8px 12px;
    font-size: 13px;
  }
}