body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  padding: 20px;
  flex-direction: column;
  transition: background 0.3s ease-in-out;
}

.container {
  background-color: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  width: 100%;
  max-width: 400px;
  margin-top: 20px;
  transition: transform 0.3s ease-in-out;
}

h1 {
  margin-bottom: 20px;
  font-size: 28px;
}

label {
  font-size: 20px;
}

input[type="date"] {
  padding: 12px;
  font-size: 18px;
  margin: 20px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
  width: 100%;
  transition: border 0.3s ease-in-out;
}

input[type="date"]:focus {
  border-color: #007bff;
  outline: none;
}

button {
  padding: 12px 24px;
  font-size: 18px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
  margin-top: 10px;
  transition: background 0.3s ease-in-out, transform 0.2s ease;
}

button:hover {
  background-color: #0056b3;
  transform: scale(1.05);
}

button:active {
  transform: scale(0.95);
}

/* Smooth result display */
#result {
  margin-top: 30px;
  font-size: 24px;
  font-weight: bold;
  opacity: 0; /* Initially hidden */
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

#result.show {
  opacity: 1;
  transform: translateY(0);
}

/* Dark Mode */
.dark-mode {
  background-color: #222;
  color: #fff ;
}

.dark-mode .container {
  background-color: #333;
  color: #fff ;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}
.dark-mode #result {
  color: #fff !important; /* Ensure text is visible in dark mode */
}


.dark-mode button {
  background-color: #444;
}

.dark-mode button:hover {
  background-color: #666;
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
  .container {
      padding: 30px;
      margin-top: 50px;
  }
  
  h1 {
      font-size: 24px;
  }

  label, input[type="date"], button {
      font-size: 16px;
  }

  #result {
      font-size: 20px;
  }
}

/* Share Section */
#shareSection {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

#shareSection p {
  font-size: 18px;
  font-weight: bold;
}

#shareSection button {
  padding: 10px 15px;
  font-size: 16px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  width: 100%;
  max-width: 250px;
  transition: opacity 0.3s ease-in-out, transform 0.2s ease;
}

#shareSection button:nth-child(1) {
  background-color: #25D366;
  color: white;
}

#shareSection button:nth-child(2) {
  background-color: #1DA1F2;
  color: white;
}

#shareSection button:nth-child(3) {
  background-color: #1877F2;
  color: white;
}

#shareSection button:hover {
  opacity: 0.8;
  transform: scale(1.05);
}