:root {
     --primary-color: #de9406;
     --accent-color: #de9406;
     --background-color: #FFFDEE;
     --card-background: #FFFFFF;
     --text-color: #333333;
     --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
     --shadow-medium: 0 10px 15px rgba(0, 0, 0, 0.1);
 }

.container-hra-exemption {
  font-family: "Inter", sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
}
.container-hra-exemption .calculator-container {
  width: 100%;
  max-width: 600px;
  background-color: var(--card-background);
  border-radius: 12px;
  box-shadow: var(--shadow-medium);
  padding: 30px;
  box-sizing: border-box;
  text-align: center;
  animation: fadeIn 0.8s ease-in-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.container-hra-exemption h1 {
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 10px;
  font-weight: 700;
}
.container-hra-exemption .subtitle {
  color: #777;
  margin-bottom: 30px;
}
.container-hra-exemption .input-group {
  margin-bottom: 20px;
  text-align: left;
}
.container-hra-exemption .input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}
.container-hra-exemption .input-group input,
.container-hra-exemption .input-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-sizing: border-box;
  font-size: 16px;
  transition: border-color 0.3s;
  box-shadow: 0 2px 4px rgba(222, 148, 6, 0.1);
}
.container-hra-exemption .input-group input:focus,
.container-hra-exemption .input-group select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 2px 8px rgba(222, 148, 6, 0.3);
}
.container-hra-exemption .button {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 8px;
  background-color: var(--primary-color);
  color: white;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
}
.container-hra-exemption .button:hover {
  background-color: var(--accent-color);
  transform: translateY(-2px);
}
.container-hra-exemption .result-box {
  margin-top: 30px;
  padding: 20px;
  background-color: #FFFEEB;
  border-radius: 8px;
  border: 1px solid #FFD7A8;
  text-align: center;
  display: none;
  /* Hidden by default */
  animation: slideIn 0.5s ease-in-out;
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.container-hra-exemption .result-box.show {
  display: block;
}
.container-hra-exemption .result-label {
  font-size: 1.2em;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}
.container-hra-exemption .result-value {
  font-size: 2em;
  font-weight: 700;
  color: #2c3e50;
}
.container-hra-exemption .error-message {
  color: #e74c3c;
  font-weight: 600;
  margin-top: 15px;
  display: none;
}
.container-hra-exemption {
  /* Responsive adjustments */
}
@media (max-width: 768px) {
  .container-hra-exemption .calculator-container {
    padding: 20px;
  }
  .container-hra-exemption h1 {
    font-size: 1.8em;
  }
  .container-hra-exemption .subtitle {
    font-size: 0.9em;
  }
}