.container {
  max-width: 600px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: var(--bg-color-light);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
}

body.dark-mode .container {
    background-color: var(--bg-color-dark);
}

.container h1 {
  text-align: center;
  color: var(--primary-color-light);
  margin-bottom: 1.5rem;
}

.container form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.container label {
  font-weight: bold;
  color: var(--text-color-light);
}

.container input[type="text"],
.container input[type="email"],
.container textarea {
  padding: 0.8rem;
  border: 1px solid var(--gray);
  border-radius: 4px;
  font-size: 1rem;
  background-color: var(--bg-color-light);
  color: var(--text-color-light);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

body.dark-mode .container input[type="text"],
body.dark-mode .container input[type="email"],
body.dark-mode .container textarea {
    background-color: #444;
    border-color: #666;
    color: var(--text-color-dark);
}

.container input[type="text"]:focus,
.container input[type="email"]:focus,
.container textarea:focus {
  border-color: var(--primary-color-light);
  outline: none;
}

.container button[type="submit"] {
  background-color: var(--primary-color-light);
  color: var(--white);
  border: none;
  padding: 1rem 2rem;
  font-size: 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin-top: 1rem;
}

.container button[type="submit"]:hover {
  background-color: #357abd;
  transform: translateY(-2px);
}

body.dark-mode .container button[type="submit"]:hover {
    background-color: #4A90E2;
}

.container button[type="submit"]:active {
    transform: translateY(0);
}

@media (max-width: 600px) {
  .container {
    margin: 1rem;
    padding: 1.5rem;
  }
}