body {
  font-family: system-ui, sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
}

/* レイアウト全体 */
.container {
  display: flex;
  flex-direction: column;
  width: 100%;
}

@media (min-width: 800px) {
  .container {
    flex-direction: row;
    height: 100vh;
  }
}

.left-pane {
  padding: 16px;
  background: #fff;
  border-right: 1px solid #ddd;
}

@media (min-width: 800px) {
  .left-pane {
    width: 360px;
    overflow-y: auto;
  }
}

.right-pane {
  padding: 12px;
  flex: 1;
}

@media (min-width: 800px) {
  .right-pane {
    overflow-y: auto;
  }
}

.top-bar {
  padding: 12px;
  background: #333;
  color: #fff;
  text-align: center;
  font-size: 1.2rem;
  font-weight: bold;
}

/* ▼ 状態表示 */
.status-area {
  padding: 10px;
  background: #fafafa;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.peer-status-block {
  margin-top: 10px;  /* お好みで調整 */
}
#peerState {
  margin-left: 18px;
}

.status {
  padding: 4px 8px;
  border-radius: 4px;
  margin-left: 4px;
}

/* 色クラス */
.red    { background: #ffe3e3; color: #a10000; }
.green  { background: #eaffea; color: #006b00; }
.yellow { background: #fff7cc; color: #7a6a00; }
.gray   { background: #e0e0e0; color: #444; }

/* 接続欄 */
.join-area {
  display: flex;
  gap: 10px;
  margin: 10px 0 20px 0;
}
.join-area input {
  flex: 1;
  padding: 8px;
  font-size: 1rem;
}
.join-area button {
  padding: 8px 14px;
  font-size: 1rem;
}

/* PTT ボタン */
#ptt {
  width: 100%;
  height: 140px;
  margin: 12px 0;
  font-size: 1.6rem;
  font-weight: bold;
  border-radius: 18px;
  border: none;
  background: #c9c9c9;
  color: #333;
  transition: 0.1s ease;
}
#ptt.talking {
  background: #ff4040;
  color: white;
}
@media (min-width: 800px) {
  #ptt {
    height: 200px;
    font-size: 2rem;
  }
}

/* ログ */
.log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
#log {
  width: 100%;
  height: 220px;
  font-size: 0.85rem;
  font-family: monospace;
  border: 1px solid #ccc;
  padding: 6px;
  border-radius: 6px;
  resize: vertical;
}

@media (max-width: 799px) {
  .right-pane {
    display: none;
  }
  #toggleLog {
    display: inline-block !important;
  }
}