/* Reset & base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
  background: #f5f7fa;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 500px;
  margin: 20px auto;
  background: #fff;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

header h1 {
  text-align: center;
  color: #2c3e50;
  font-size: 1.8rem;
  margin-bottom: 5px;
}

.date-time {
  text-align: center;
  font-weight: 500;
  color: #e74c3c;
  margin-bottom: 20px;
}

.event-details h2 {
  margin-top: 15px;
  color: #34495e;
  font-size: 1.3rem;
}

.event-details ul {
  margin: 10px 0 20px 20px;
}

.seats {
  font-weight: bold;
  color: green;
  margin-bottom: 15px;
}

/* Form Styles */
.registration-form label {
  display: block;
  margin-top: 15px;
  font-weight: 600;
}

.registration-form input[type="text"],
.registration-form input[type="email"],
.registration-form input[type="number"] {
  width: 100%;
  padding: 12px;
  margin-top: 6px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
}

.radio-group {
  display: flex;
  gap: 20px;
  margin-top: 6px;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: normal;
}

button.btn {
  display: block;
  width: 100%;
  background: #2c3e50;
  color: #fff;
  padding: 14px;
  border: none;
  border-radius: 12px;
  margin-top: 20px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

button.btn:hover {
  background: #34495e;
}

/* Full notice style */
.full-notice .full {
  color: red;
  font-weight: bold;
  margin-bottom: 10px;
  text-align: center;
}

/* Responsive tweaks */
@media (max-width: 480px) {
  .container {
    margin: 15px;
    padding: 20px;
  }

  header h1 {
    font-size: 1.5rem;
  }

  .event-details h2 {
    font-size: 1.1rem;
  }

  button.btn {
    padding: 12px;
    font-size: 0.95rem;
  }

  .radio-group {
    flex-direction: column;
    gap: 10px;
  }
}