#determinant-calculator {
  background-color: #121212;
  color: #eee;
  padding: 30px;
  max-width: 700px;
  margin: auto;
  border-radius: 12px;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.1);
  font-family: 'Segoe UI', sans-serif;
}

#determinant-calculator h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 20px;
}

#determinant-calculator label,
#determinant-calculator select {
  display: block;
  margin: 12px 0;
  font-size: 16px;
}

#matrix-inputs {
  display: grid;
  gap: 10px;
  margin: 20px 0;
}

#matrix-inputs input {
  width: 50px;
  padding: 8px;
  text-align: center;
  background: #1e1e1e;
  color: #fff;
  border: 1px solid #444;
  border-radius: 6px;
}

#determinant-calculator button {
  padding: 10px 24px;
  font-size: 16px;
  background-color: #ff6f91;
  border: none;
  color: #fff;
  border-radius: 8px;
  margin-top: 15px;
  cursor: pointer;
}

#determinant-result {
  font-size: 20px;
  margin-top: 18px;
}

.latex-output {
  margin-top: 18px;
  background: #1b1b1b;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
}

.export-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}

@media (max-width: 600px) {
  #matrix-inputs input {
    width: 40px;
  }

  #determinant-calculator {
    padding: 20px;
  }
}