.join-box,
.lobby-box {
  max-width: 420px;
  margin: 40px auto;
  background: white;
  border-radius: 10px;
  padding: 24px;
  color: #222;
  text-align: center;
}

.join-box h2,
.lobby-box h2 {
  margin-top: 0;
  color: #2f4f2f;
}

.join-box input,
.lobby-box input {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
  box-sizing: border-box;
}

.join-box button,
.lobby-box button {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  border: none;
  border-radius: 8px;
  background: #2e7d32;
  color: white;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
}

.join-box button:hover,
.lobby-box button:hover {
  background: #1b5e20;
}

.join-box button:disabled,
.lobby-box button:disabled {
  background: #999;
  cursor: not-allowed;
}

.join-divider {
  margin: 18px 0;
  color: #888;
  font-size: 13px;
  text-transform: uppercase;
}

.join-error {
  color: #c62828;
  font-size: 13px;
  min-height: 18px;
  margin-top: 6px;
}

.room-code-display {
  font-size: 2.2rem;
  font-weight: bold;
  letter-spacing: 4px;
  color: #2f4f2f;
  background: #e6f7e6;
  border-radius: 8px;
  padding: 10px;
  margin: 10px 0;
}

#lobbyPlayerList {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  text-align: left;
}

#lobbyPlayerList li {
  padding: 8px 12px;
  background: #f0f0f0;
  border-radius: 6px;
  margin-bottom: 6px;
  font-weight: bold;
}

.opponents-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 10px;
}

@media (max-width: 700px) {
  .join-box,
  .lobby-box {
    margin: 20px auto;
    padding: 16px;
  }

  .room-code-display {
    font-size: 1.6rem;
    letter-spacing: 2px;
  }
}