* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background:linear-gradient(135deg, #c2cdff 0%, #764ba2 100%);
    min-height: 100vh;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 270px;
}
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    /* padding: 30px; */
    /* margin-bottom: 30px; */
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    text-align: center;
}
input.SS {
    border-radius: 50px;
    padding: 2px 5px;
}
.header h1 {
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.header p {
    color: #7f8c8d;
    font-size: 1.1em;
}
.main-content {
    display: flex;
    gap: 30px;
}
.sidebar {
    width: 300px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    height: fit-content;
    position: sticky;
    top: 20px;
}
.sidebar h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.3em;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}
.doc-list {
    list-style: none;
}
.doc-list li {
    margin-bottom: 8px;
}
.doc-list a {
    display: block;
    padding: 12px 15px;
    text-decoration: none;
    color: #555;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}
.doc-list a:hover {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    transform: translateX(5px);
}
.doc-list a.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}
.language-toggle {
    margin-bottom: 25px;
}
.language-toggle button {
    background: #667eea;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-right: 10px;
}
.language-toggle button:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}
.language-toggle button.active {
    background: #764ba2;
}
.content-area {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    min-height: 600px;
}
.content-header {
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 20px;
    margin-bottom: 30px;
}
.content-header h2 {
    color: #2c3e50;
    font-size: 2em;
    margin-bottom: 10px;
}
.content-header .meta {
    color: #7f8c8d;
    font-size: 0.9em;
}
.markdown-content {
    line-height: 1.8;
}
.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    color: #2c3e50;
    margin-top: 30px;
    margin-bottom: 15px;
}
.markdown-content h1 { font-size: 2.2em; border-bottom: 3px solid #667eea; padding-bottom: 10px; }
.markdown-content h2 { font-size: 1.8em; border-bottom: 2px solid #667eea; padding-bottom: 8px; }
.markdown-content h3 { font-size: 1.5em; color: #34495e; }
.markdown-content h4 { font-size: 1.3em; color: #34495e; }
.markdown-content p {
    margin-bottom: 20px;
    color: #555;
}
.markdown-content code {
    background: #f8f9fa;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
    color: #e74c3c;
}
.markdown-content pre {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 20px 0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
    line-height: 1.5;
}
.markdown-content pre code {
    background: none;
    color: inherit;
    padding: 0;
}
.markdown-content blockquote {
    border-left: 4px solid #667eea;
    padding-left: 20px;
    margin: 20px 0;
    color: #7f8c8d;
    font-style: italic;
}
.markdown-content ul,
.markdown-content ol {
    margin: 20px 0;
    padding-left: 30px;
}
.markdown-content li {
    margin-bottom: 8px;
}
.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.markdown-content th,
.markdown-content td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ecf0f1;
}
.markdown-content th {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    font-weight: 600;
}
.markdown-content tr:nth-child(even) {
    background: #f8f9fa;
}
.markdown-content a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}
.markdown-content a:hover {
    color: #764ba2;
    text-decoration: underline;
}
.loading {
    text-align: center;
    padding: 50px;
    color: #7f8c8d;
    font-size: 1.2em;
}
.error {
    background: #fee;
    border: 1px solid #fcc;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    color: #c33;
}
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        position: static;
    }
    .header h1 {
        font-size: 2em;
    }
    .content-area {
        padding: 20px;
    }
}