* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #222222, #555555);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.error p {
	color: #BB0000;
}

.content {
  background: #EEEEEE;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 600px;
}

.content h1 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #333;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #111111;
}

.form-group input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 0.5rem;
  font-size: 1rem;
}

.form-section {
	border: 1px solid #555555;
	border-radius: 1rem;
	margin: 0.75rem;
	padding-left: 1rem;
	padding-right: 1rem;
	padding-bottom: 1rem;
}

.form-section h2 {
	color: #333333;
}

.datetime-wrapper {
  margin: auto;
  background: white;
  padding: 1rem;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

input[type="text"] {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
}

.btn-red {
  width: 100%;
  padding: 0.75rem;
  background-color: #BB0000;
  border: none;
  border-radius: 0.5rem;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn-green {
  width: 100%;
  padding: 0.75rem;
  background-color: #009900;
  border: none;
  border-radius: 0.5rem;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn:hover {
  background-color: #990000;
}

.countdown {
  font-size: 3em;
  color: #333;
  padding: 20px;
  background: white;
  display: inline-block;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}