body {
  background-color: #0d0d0d;
  color: #fff;
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
}

.container {
  width: 95%;
  max-width: 900px;
  text-align: center;
  background: #121212;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

.title {
  color: cyan;
  margin-bottom: 10px;
  text-shadow: 0 0 10px cyan;
}

#room-info {
  margin-bottom: 10px;
  font-size: 1.1em;
  color: #aaa;
}

canvas {
  background: #1a1a1a;
  border: 2px solid #333;
  border-radius: 10px;
  width: 100%;
  height: 400px;
  touch-action: none;
}

.controls {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.controls label {
  color: #fff;
  margin-right: 5px;
}

#colorPicker, #sizePicker {
  cursor: pointer;
  border-radius: 8px;
  border: none;
  padding: 4px;
}

#sizePicker {
  width: 100px;
}

button {
  background: white;
  color: #000;
  border: none;
  border-radius: 10px;
  padding: 8px 16px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
}

button:hover {
  background: #00e6e6;
}

#chat {
  margin-top: 20px;
  background: #181818;
  padding: 10px;
  border-radius: 10px;
  height: 180px;
  overflow-y: auto;
  text-align: left;
}

#messages {
  color: #ddd;
}

#msgInput {
  width: 70%;
  margin-top: 5px;
  padding: 5px;
  border-radius: 5px;
  border: none;
}

#sendMsgBtn {
  padding: 5px 10px;
  margin-top: 5px;
}

@media (max-width: 600px) {
  canvas { height: 300px; }
  .controls { flex-direction: column; }
}


#lobby {
  margin-top: 10px;
  background: #1c1c1c;
  padding: 10px;
  border-radius: 10px;
  max-height: 120px;
  overflow-y: auto;
}

#lobby h2 {
  margin: 0 0 5px 0;
  color: cyan;
  font-size: 1em;
}

#lobby ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#lobby li {
  color: #ddd;
  margin: 2px 0;
}



.message {
  margin: 5px 0;
  background: #333;
  padding: 8px;
  border-radius: 6px;
  color: #eee;
}

.message b {
  color: #00ffff;
}

.drawing-preview {
  display: block;
  max-width: 120px;
  max-height: 80px;
  margin-top: 5px;
  border-radius: 5px;
  cursor: pointer;
  transition: 0.2s;
}
.drawing-preview:hover {
  transform: scale(1.05);
}