body {
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  background-color: #f0f0f0;
  margin: 0;
  padding: 0;
  color: #333;
}

header {
  background-color: #2c3e50;
  color: #ecf0f1;
  text-align: center;
  padding: 2rem 0;
}

main {
  max-width: 900px;
  margin: 20px auto;
  padding: 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.board-section {
  display: flex;
  justify-content: center;
  margin: 30px 0;
}

/* Chessboard Grid */
#chessboard {
  display: grid;
  grid-template-columns: repeat(8, 50px);
  grid-template-rows: repeat(8, 50px);
  border: 10px solid #5d4037;
}

.square {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

.light {
  background-color: #f3e5ab;
} /* Cream */
.dark {
  background-color: #8b4513;
} /* Brown */

/* Form Styling */
.registration {
  background: #fdfdfd;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 5px;
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

input,
select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box; /* Ensures padding doesn't affect width */
}

button {
  background-color: #27ae60;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}

button:hover {
  background-color: #219150;
}

.hidden {
  display: none;
}

#successMessage {
  margin-top: 20px;
  padding: 10px;
  background-color: #d4edda;
  color: #155724;
  border-radius: 4px;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  color: #777;
}