:root{--bg: #0f1117;--bg-surface: #161922;--bg-hover: #1e2230;--bg-active: #252a3a;--border: #2a2f3e;--text: #e2e8f0;--text-muted: #8892a8;--text-dim: #5a6478;--accent: #3b82f6;--red: #ef4444;--orange: #f59e0b;--green: #22c55e;--sidebar-width: 300px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}#root{display:flex}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);height:100vh;overflow-y:auto;border-right:1px solid var(--border);background:var(--bg-surface);display:flex;flex-direction:column;position:sticky;top:0}.sidebar-header{padding:20px;border-bottom:1px solid var(--border);transition:background .15s}.sidebar-header:hover{background:var(--bg-hover)}.sidebar-header h1{font-size:16px;font-weight:600;letter-spacing:-.02em}.sidebar-header p{font-size:12px;color:var(--text-muted);margin-top:4px}.sidebar-search{padding:12px 16px;border-bottom:1px solid var(--border)}.sidebar-search input{width:100%;padding:8px 12px;border-radius:6px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:13px;outline:none;transition:border-color .15s}.sidebar-search input:focus{border-color:var(--accent)}.sidebar-search input::placeholder{color:var(--text-dim)}.sidebar-nav{flex:1;overflow-y:auto;padding:8px}.nav-category-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);padding:12px 12px 4px}.nav-item{display:block;width:100%;text-align:left;padding:10px 12px;border-radius:6px;border:none;background:none;color:var(--text-muted);font-size:13px;line-height:1.4;cursor:pointer;transition:all 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p{color:var(--text-muted);font-size:14px;max-width:480px;line-height:1.6}.doc-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:32px;width:100%;max-width:1300px}.doc-card{text-align:left;padding:16px;border-radius:8px;border:1px solid var(--border);background:var(--bg-surface);cursor:pointer;transition:all .15s;font-family:inherit;color:var(--text)}.doc-card:hover{border-color:var(--accent);background:var(--bg-hover)}.doc-card h3{font-size:13px;font-weight:600;margin-bottom:6px}.doc-card p{font-size:11px;color:var(--text-muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.category-badge{display:inline-block;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:2px 6px;border-radius:3px;margin-bottom:6px}.back-btn{display:inline-flex;align-items:center;gap:4px;background:none;border:none;color:var(--text-muted);font-size:13px;font-family:inherit;cursor:pointer;padding:4px 0;margin-bottom:24px;transition:color .15s}.back-btn:hover{color:var(--accent)}.markdown{font-size:14px;line-height:1.7}.markdown h1{font-size:28px;font-weight:700;letter-spacing:-.03em;margin-bottom:8px;padding-bottom:12px;border-bottom:1px solid var(--border)}.markdown h2{font-size:20px;font-weight:600;letter-spacing:-.02em;margin-top:40px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.markdown h3{font-size:16px;font-weight:600;margin-top:28px;margin-bottom:8px}.markdown h4{font-size:14px;font-weight:600;margin-top:20px;margin-bottom:6px}.markdown p{margin-bottom:12px}.markdown a{color:var(--accent);text-decoration:none}.markdown a:hover{text-decoration:underline}.markdown strong{font-weight:600;color:#fff}.markdown code{font-family:SF Mono,Fira Code,JetBrains Mono,monospace;font-size:12.5px;background:var(--bg);padding:2px 6px;border-radius:4px;border:1px solid var(--border)}.markdown pre{margin:16px 0;border-radius:8px;border:1px solid var(--border);background:var(--bg)!important;overflow-x:auto}.markdown pre code{display:block;padding:16px;border:none;background:none!important;font-size:12.5px;line-height:1.6}.markdown ul,.markdown ol{margin-bottom:12px;padding-left:24px}.markdown li{margin-bottom:4px}.markdown li>ul,.markdown li>ol{margin-top:4px;margin-bottom:4px}.markdown blockquote{border-left:3px solid var(--accent);padding-left:16px;margin:16px 0;color:var(--text-muted)}.markdown hr{border:none;border-top:1px solid var(--border);margin:32px 0}.markdown table{width:100%;border-collapse:collapse;margin:16px 0;font-size:13px}.markdown th{text-align:left;padding:8px 12px;border-bottom:2px solid var(--border);font-weight:600;color:var(--text-muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em}.markdown td{padding:8px 12px;border-bottom:1px solid var(--border);vertical-align:top}.markdown tr:hover td{background:var(--bg-hover)}.markdown 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p{font-size:13px;color:var(--text-muted);margin-top:4px}.login-label{display:block;font-size:13px;font-weight:500;color:var(--text-muted);margin-bottom:6px}.login-input{width:100%;padding:10px 12px;border-radius:6px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:14px;font-family:inherit;outline:none;transition:border-color .15s;margin-bottom:16px}.login-input:focus{border-color:var(--accent)}.login-input::placeholder{color:var(--text-dim)}.login-button{width:100%;padding:10px;border-radius:6px;border:none;background:var(--accent);color:#fff;font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;transition:opacity .15s;margin-top:4px}.login-button:hover{opacity:.9}.login-button:disabled{opacity:.6;cursor:not-allowed}.login-error{padding:10px 12px;border-radius:6px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--red);font-size:13px;margin-bottom:20px;line-height:1.4}.logout-btn{background:none;border:1px solid var(--border);color:var(--text-muted);font-size:11px;font-family:inherit;padding:4px 10px;border-radius:4px;cursor:pointer;transition:all .15s;white-space:nowrap;flex-shrink:0}.logout-btn:hover{color:var(--text);border-color:var(--text-dim)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}