.t-calculator {
  background: white;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  max-width: 400px;
  margin: 0 auto;
  font-family: 'Inter', sans-serif;
}

.t-input-group {
  margin-bottom: 20px;
}

.t-input-group label {
  display: block;
  margin-bottom: 8px;
  color: #1F2937;
  font-weight: 500;
}

.t-select, .t-slider {
  width: 100%;
  padding: 10px;
  border: 1px solid #E5E7EB;
  border-radius: 6px;
}

.t-slider {
  margin-top: 8px;
  -webkit-appearance: none;
  height: 6px;
  background: #E5E7EB;
}

.t-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  background: #4F46E5;
  border-radius: 50%;
  cursor: pointer;
}

.t-checkboxes label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  cursor: pointer;
}

.t-button {
  background: #4F46E5;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  width: 100%;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s;
}

.t-button:hover {
  background: #4338CA;
}

.t-result {
  font-size: 24px;
  text-align: center;
  margin-top: 20px;
  font-weight: 700;
  color: #10B981;
}