/* 消息中的 Markdown 内容 */
.message.assistant .markdown-body {
    font-size: 14px;
    line-height: 1.7;
}

.markdown-body p {
    margin-bottom: 12px;
}

.markdown-body p:last-child {
    margin-bottom: 0;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
    margin-top: 16px;
    margin-bottom: 8px;
    font-weight: 600;
}

.markdown-body h1 { font-size: 1.4em; }
.markdown-body h2 { font-size: 1.3em; }
.markdown-body h3 { font-size: 1.2em; }

.markdown-body ul, .markdown-body ol {
    margin: 8px 0;
    padding-left: 24px;
}

.markdown-body li {
    margin-bottom: 4px;
}

.markdown-body code {
    background: rgba(255,255,255,0.1);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.9em;
    font-family: 'Consolas', 'Monaco', monospace;
}

.markdown-body pre {
    background: #1e1e2e;
    border-radius: var(--radius);
    padding: 0;
    margin: 12px 0;
    overflow: hidden;
    position: relative;
}

.markdown-body pre code {
    display: block;
    padding: 16px;
    background: none;
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.5;
}

.markdown-body pre .copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.2s;
}

.markdown-body pre .copy-btn:hover {
    background: rgba(255,255,255,0.2);
}

.markdown-body blockquote {
    border-left: 4px solid var(--primary);
    margin: 12px 0;
    padding: 8px 16px;
    background: rgba(74, 144, 217, 0.05);
    color: var(--text-secondary);
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 13px;
}

.markdown-body th, .markdown-body td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}

.markdown-body th {
    background: var(--bg-secondary);
    font-weight: 600;
}

.markdown-body tr:nth-child(even) {
    background: rgba(255,255,255,0.02);
}

.markdown-body a {
    color: var(--primary);
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

.markdown-body hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 16px 0;
}

.markdown-body img {
    max-width: 100%;
    border-radius: var(--radius);
}