.gma-chat-container {
    display: flex;
    flex-direction: column;
    border: 1px solid #e0e0e0;
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.gma-chat-container[data-theme="dark"] {
    background: #2d2d2d;
    border-color: #404040;
    color: #fff;
}

.gma-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 20px 110px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100vh;
}
.gma-message-content {
  margin: 0 auto;
  line-height: 1.6;
  border-radius: 8px;
}

.gma-message-content p {
  margin-bottom: 16px;
}

.gma-message-content h3 {
  color: #2c3e50;
    font-weight:bold;
  margin-top: 24px;
  margin-bottom: 16px;
  font-size: 1.2em;
  border-bottom: 1px solid #eaeaea;
  padding-bottom: 8px;
}

.gma-message-content ul {
  margin-bottom: 20px;
  padding-left: 24px;
}

.gma-message-content li {
  margin-bottom: 8px;
}

.gma-message-content strong {
  color: #2c3e50;
  font-weight: 600;
}

.gma-message-content a {
  color: #3498db;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.gma-message-content a:hover {
  color: #2980b9;
  text-decoration: underline;
}

/* 響應式設計 */
@media (max-width: 600px) {
  .gma-message-content {
    font-size: 0.95em;
  }
  
  .gma-message-content h3 {
    font-size: 1.1em;
  }
}
  
.gma-message {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 12px;
    position: relative;
    word-wrap: break-word;
}

.gma-message-time {
    font-size: 12px;
    color: #888;
    margin-top: 4px;
}
.gma-message.gma-user .gma-message-time {
    color: #fff;
}
.gma-user {
    align-self: flex-end;
    background: var(--chat-primary-color);
    color: white;
}

.gma-assistant {
    align-self: flex-start;
    background: #f0f0f0;
    color: #333;
}

.gma-chat-container[data-theme="dark"] .gma-assistant {
    background: #404040;
    color: #fff;
}

.gma-chat-input-container {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 8px;
  padding: 16px;
  border-top: 1px solid #e0e0e0;
  justify-content: space-between;
  background: #fff;
}

.gma-chat-container[data-theme="dark"] .gma-chat-input-container {
    border-color: #404040;
}

.gma-chat-input {
    flex: 1;
    min-height: 40px;
    max-height: 120px;
    padding: 8px 12px;
    border: 1px solid #e0e0e0;
    border-radius: 20px;
    resize: none;
    font-size: 14px;
    line-height: 1.5;
    background: #fff;
    color: #333;
}

.gma-chat-container[data-theme="dark"] .gma-chat-input {
    background: #404040;
    border-color: #505050;
    color: #fff;
}

.gma-send-button,
.gma-voice-button {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--chat-primary-color);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background-color 0.2s;
}

.gma-send-button:hover,
.gma-voice-button:hover {
    background: var(--chat-primary-color);
}

.gma-send-button:disabled,
.gma-voice-button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.gma-chat-container[data-theme="dark"] .gma-send-button:disabled,
.gma-chat-container[data-theme="dark"] .gma-voice-button:disabled {
    background: #505050;
}

.dashicons {
    width: 20px;
    height: 20px;
    font-size: 20px;
}

/* 語音按鈕錄音中狀態 */
.gma-voice-button.recording {
    background: #dc3545;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}