.markdown-content p {
    margin: 0 0 1em 0;
}
.markdown-content p:last-child {
    margin-bottom: 0;
}
.markdown-content h1, .markdown-content h2, .markdown-content h3,
.markdown-content h4, .markdown-content h5, .markdown-content h6 {
    margin: 1.5em 0 0.5em 0;
    color: #333;
    font-weight: 600;
}
.markdown-content h1:first-child, .markdown-content h2:first-child,
.markdown-content h3:first-child {
    margin-top: 0;
}
.markdown-content ul, .markdown-content ol {
    margin: 0.5em 0;
    padding-left: 2em;
}
.markdown-content li {
    margin: 0.25em 0;
}
.markdown-content code {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
}
.markdown-content pre {
    background: #f4f4f4;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1em 0;
}
.markdown-content pre code {
    background: none;
    padding: 0;
}
.markdown-content blockquote {
    border-left: 4px solid #667eea;
    margin: 1em 0;
    padding: 0.5em 1em;
    background: #f8f9fa;
    color: #666;
}
.markdown-content a {
    color: #667eea;
    text-decoration: none;
}
.markdown-content a:hover {
    text-decoration: underline;
}
.markdown-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
}
.markdown-content th, .markdown-content td {
    border: 1px solid #e0e0e0;
    padding: 8px 12px;
    text-align: left;
}
.markdown-content th {
    background: #f8f9fa;
    font-weight: 600;
}
.markdown-content hr {
    border: none;
    border-top: 2px solid #e0e0e0;
    margin: 1.5em 0;
}

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    cursor: pointer;
    z-index: 10000;
    transition: opacity 0.2s;
}

.lightbox-close:hover {
    opacity: 0.7;
}