.calculator {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
}

.form {
  flex: 1;
}

.results {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  padding: 20px;
  border-radius: 10px;
}

body.light-mode .results {
    background: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.timer-display {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    padding: 10px;
    border: 1px solid #333;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
}

body.light-mode .timer-display {
    border: 1px solid #ddd;
    background: #f0f2f5;
}

.timer-input {
    width: 60px;
    text-align: center;
    margin: 0 5px;
}

.form-group .btn {
    margin-top: 10px;
    margin-right: 10px;
}