body {
  font-family: Arial, sans-serif;
  background: #f3f3f3;
  margin: 0;
  padding: 20px;
}

/* Tiêu đề */
.title {
  text-align: center;
  background: linear-gradient(to right, #007bff, #003cff);
  color: white;
  padding: 10px;
  margin-bottom: 20px;
}

/* Bảng sự kiện */
table {
  width: 80%;
  margin: auto;
  border-collapse: collapse;
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
  background: white;
}

th, td {
  border: 1px solid #ccc;
  padding: 12px;
  text-align: center;
}

thead {
  background: #007bff;
  color: white;
}

tr:nth-child(even) {
  background: #f2f2f2;
}

/* Biểu mẫu đăng ký */
.form-container {
  width: 350px;
  background: white;
  margin: 30px auto;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  border-radius: 8px;
}

.form-container h3 {
  text-align: center;
  color: #007bff;
}

.form-container label {
  display: block;
  margin-top: 10px;
  font-weight: bold;
}

.form-container input,
.form-container select,
.form-container textarea {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.form-container button {
  width: 100%;
  margin-top: 15px;
  background: linear-gradient(to right, #007bff, #003cff);
  color: white;
  border: none;
  padding: 10px;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
}

.form-container button:hover {
  opacity: 0.9;
}