:root {
  --bg-color: #12141c;
  --surface-color: #1c1f2b;
  --accent-color: #6c8cff;
  --text-color: #f4f4f8;
  --muted-color: #9a9db0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  padding: 16px;
}

h1, h2, h3 { margin: 0 0 12px; }

.card {
  background: var(--surface-color);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
}

.btn {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 12px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  width: 100%;
  margin-bottom: 10px;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  border: 1px solid var(--muted-color);
  color: var(--text-color);
}

.status-text {
  color: var(--muted-color);
  text-align: center;
  margin: 12px 0;
}

.game-grid {
  display: grid;
  gap: 10px;
}

.game-tile {
  background: var(--surface-color);
  border-radius: 14px;
  padding: 20px;
  text-align: center;
  font-size: 18px;
  text-decoration: none;
  color: var(--text-color);
}

.game-tile.disabled {
  opacity: 0.4;
}

/* Chat */
.chat-messages {
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.chat-bubble {
  align-self: flex-start;
  background: rgba(255,255,255,0.08);
  padding: 8px 12px;
  border-radius: 12px;
  max-width: 75%;
  font-size: 14px;
  word-break: break-word;
}

.chat-bubble.mine {
  align-self: flex-end;
  background: var(--accent-color);
  color: white;
}

.chat-input-row {
  display: flex;
  gap: 8px;
}

.chat-input-row input {
  flex: 1;
  border-radius: 10px;
  border: 1px solid var(--muted-color);
  background: transparent;
  color: var(--text-color);
  padding: 10px 12px;
  font-size: 14px;
}