.paracetamol-calculator {
  max-width: 600px;
  margin: auto;
  padding: 20px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  font-family: 'Segoe UI', sans-serif;
  color: #333;
  transition: background 0.3s, color 0.3s;
}

.dark-mode {
  background: #1e1e1e !important;
  color: #eee !important;
}

h2, h3 {
  text-align: center;
  color: #F43676;
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
}

input, select {
  width: calc(100% - 10px);
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  margin-bottom: 10px;
}

button {
  background-color: #F43676;
  color: white;
  border: none;
  padding: 10px 20px;
  margin: 5px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background-color: #c22c5e;
}

.form-actions {
  text-align: center;
}

.results {
  margin-top: 20px;
  background: #fefefe;
  padding: 15px;
  border-radius: 10px;
  border: 1px solid #eee;
}

.tooltip {
  background-color: #F43676;
  color: #fff;
  border-radius: 50%;
  padding: 3px 8px;
  font-size: 12px;
  cursor: pointer;
  margin-left: 5px;
}

.tooltip-box {
  position: fixed;
  background: #fff;
  color: #000;
  padding: 10px;
  border: 1px solid #aaa;
  border-radius: 8px;
  max-width: 300px;
  display: none;
  z-index: 999;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}