:root {
  --primary-color: #2196f3;
  --background-color: #f5f5f5;
  --border-radius: 8px;
}

body {
  margin: 0;
  padding: 20px;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--background-color);
  color: #333;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px;
}

h1 {
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 30px;
}

h2 {
  color: #444;
  margin-top: 30px;
}

.card {
  background: white;
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.option {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

.option label {
  min-width: 120px;
  color: #666;
}

input[type="text"],
input[type="password"] {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  width: 200px;
  font-size: 14px;
}

button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s;
}

button:hover {
  background-color: #1976d2;
}

button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

#disconnect {
  background-color: #f44336;
}

#disconnect:hover {
  background-color: #d32f2f;
}

.states {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.state-item {
  background: white;
  padding: 15px;
  border-radius: var(--border-radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

#media {
  background: #222;
  border-radius: var(--border-radius);
  padding: 20px;
  margin-top: 20px;
}

video {
  width: 100%;
  border-radius: 4px;
}

#data-channel {
  background: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 15px;
  font-family: monospace;
  height: 200px;
  border: 1px solid #ddd;
}