:root{--bg:#0f1117;--bg-2:#161822;--bg-3:#1e2030;--border:#2a2d3e;--text:#c0caf5;--text-2:#a9b1d6;--text-3:#565f89;--accent:#7aa2f7;--accent-2:#2ac3de;--green:#9ece6a;--orange:#ff9e64;--red:#f7768e;--purple:#bb9af7;--sidebar-w:280px;--toc-w:240px;--top-h:52px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,sans-serif;--mono:"JetBrains Mono","Fira Code",monospace;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--bg);height:100%;color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}#root{flex-direction:column;display:flex}.topbar{height:var(--top-h);background:var(--bg-2);border-bottom:1px solid var(--border);z-index:10;flex-shrink:0;align-items:center;gap:12px;padding:0 16px;display:flex}.topbar .logo{color:var(--accent);flex-shrink:0;align-items:center;gap:8px;font-size:16px;font-weight:700;display:flex}.topbar .logo svg{width:22px;height:22px}.topbar .search-wrap{flex:1;max-width:480px;position:relative}.topbar .search-wrap input{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-3);width:100%;color:var(--text);outline:none;padding:6px 12px 6px 32px;font-size:13px}.topbar .search-wrap input:focus{border-color:var(--accent)}.topbar .search-wrap .icon{color:var(--text-3);pointer-events:none;font-size:13px;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.topbar .badge{background:var(--bg-3);color:var(--text-3);border:1px solid var(--border);white-space:nowrap;border-radius:10px;padding:2px 8px;font-size:11px}.topbar .badge.online{color:var(--green);border-color:var(--green);background:#1a3a2a}.topbar .actions{gap:6px;margin-left:auto;display:flex}.topbar .actions button{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-3);color:var(--text-2);cursor:pointer;white-space:nowrap;padding:5px 12px;font-size:12px}.topbar .actions button:hover{border-color:var(--accent);color:var(--accent)}.topbar .actions button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.body{flex:1;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--bg-2);border-right:1px solid var(--border);flex-shrink:0;padding:8px 0;overflow-y:auto}.sidebar::-webkit-scrollbar{width:4px}.nav-item{cursor:pointer;color:var(--text-2);-webkit-user-select:none;user-select:none;align-items:center;gap:6px;padding:4px 16px;font-size:13px;transition:background .15s;display:flex}.nav-item:hover{background:var(--bg-3);color:var(--text)}.nav-item.active{color:var(--accent);background:#7aa2f71f}.nav-item .icon{text-align:center;width:16px;color:var(--text-3);flex-shrink:0;font-size:11px}.nav-item .label{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.nav-dir>.nav-item{color:var(--text);font-weight:600}.nav-file{padding-left:38px}.nav-indent{padding-left:32px}.content{flex:1;max-width:860px;padding:32px 48px;overflow-y:auto}.content h1{color:#e0e5f5;margin-bottom:16px;font-size:28px;font-weight:700}.content h2{color:#d0d5e8;border-bottom:1px solid var(--border);margin-top:32px;margin-bottom:12px;padding-bottom:6px;font-size:20px;font-weight:600}.content h3{color:var(--text);margin-top:24px;margin-bottom:8px;font-size:16px;font-weight:600}.content p{margin-bottom:12px}.content ul,.content ol{margin-bottom:12px;padding-left:24px}.content li{margin-bottom:4px}.content code{font-family:var(--mono);background:var(--bg-3);border-radius:4px;padding:2px 6px;font-size:13px}.content pre{background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;padding:16px;overflow-x:auto}.content pre code{background:0 0;padding:0}.content blockquote{border-left:3px solid var(--accent);background:var(--bg-3);border-radius:0 var(--radius) var(--radius) 0;color:var(--text-2);margin:12px 0;padding:8px 16px}.content table{border-collapse:collapse;width:100%;margin:12px 0}.content th,.content td{border:1px solid var(--border);text-align:left;padding:8px 12px}.content th{background:var(--bg-3);font-weight:600}.content img{border-radius:var(--radius);max-width:100%;margin:12px 0}.content hr{border:none;border-top:1px solid var(--border);margin:24px 0}.content .alert{border-radius:var(--radius);margin:12px 0;padding:12px 16px;font-size:13px}.content .alert.info{border-left:3px solid var(--accent);background:#7aa2f71a}.content .alert.warn{border-left:3px solid var(--orange);background:#ff9e641a}.toc{width:var(--toc-w);border-left:1px solid var(--border);flex-shrink:0;padding:24px 16px;overflow-y:auto}.toc h3{text-transform:uppercase;letter-spacing:.8px;color:var(--text-3);margin-bottom:12px;font-size:11px}.toc a{color:var(--text-3);border-radius:4px;padding:3px 8px;font-size:12px;transition:all .15s;display:block}.toc a:hover{color:var(--text);background:var(--bg-3);text-decoration:none}.toc a.toc-h3{padding-left:20px}.toc a.active{color:var(--accent);background:#7aa2f71a}.chat-panel{background:var(--bg-2);border-left:1px solid var(--border);flex-direction:column;flex-shrink:0;width:380px;display:none}.chat-panel.open{display:flex}.chat-panel .chat-header{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:12px 16px;font-size:14px;font-weight:600;display:flex}.chat-panel .chat-header .close{cursor:pointer;color:var(--text-3);margin-left:auto;font-size:16px}.chat-msgs{flex:1;padding:12px 16px;overflow-y:auto}.chat-msgs .msg{margin-bottom:12px;font-size:13px;line-height:1.5}.chat-msgs .msg.user{color:var(--accent)}.chat-msgs .msg.ai{color:var(--text)}.chat-msgs .msg.system{color:var(--text-3);font-size:12px;font-style:italic}.chat-msgs .rag-source{color:var(--text-3);cursor:pointer;padding:4px 0;font-size:11px}.chat-msgs .rag-source:hover{color:var(--accent)}.chat-input-wrap{border-top:1px solid var(--border);gap:8px;padding:12px 16px;display:flex}.chat-input-wrap input{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-3);color:var(--text);outline:none;flex:1;padding:8px 12px;font-size:13px}.chat-input-wrap input:focus{border-color:var(--accent)}.chat-input-wrap button{border-radius:var(--radius);background:var(--accent);color:#fff;cursor:pointer;border:none;padding:8px 16px;font-size:13px}.chat-input-wrap button:disabled{opacity:.5;cursor:default}.search-overlay{top:var(--top-h);background:var(--bg);z-index:20;padding:24px;display:none;position:fixed;bottom:0;left:0;right:0;overflow-y:auto}.search-overlay.open{display:block}.search-overlay h2{color:var(--text-2);margin-bottom:16px;font-size:16px}.search-result{border:1px solid 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p{font-size:14px}.rag-debug-fab{cursor:pointer;z-index:9998;color:#fff;background:linear-gradient(135deg,#3b82f6,#2563eb);border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:20px;transition:all .3s;display:flex;position:fixed;bottom:20px;left:20px;box-shadow:0 4px 14px #3b82f666}.rag-debug-fab:hover{transform:translateY(-2px)scale(1.05)}.rag-debug-dialog{background:var(--bg-2);z-index:9997;border:1px solid var(--border);border-radius:12px;flex-direction:column;width:560px;max-height:65vh;font-size:13px;display:flex;position:fixed;bottom:80px;left:20px;overflow:hidden;box-shadow:0 20px 60px #00000080}.rag-debug-dialog.hidden{display:none}.rag-debug-header{color:#fff;-webkit-user-select:none;user-select:none;background:linear-gradient(135deg,#3b82f6,#2563eb);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.rag-debug-header h3{align-items:center;gap:6px;margin:0;font-size:14px;font-weight:600;display:flex}.rag-debug-close{color:#fff;cursor:pointer;background:#fff3;border:none;border-radius:6px;justify-content:center;align-items:center;width:26px;height:26px;font-size:14px;display:flex}.rag-debug-close:hover{background:#ffffff4d}.rag-debug-tabs{border-bottom:1px solid var(--border);flex-shrink:0;display:flex}.rag-debug-tab{color:var(--text-2);cursor:pointer;background:0 0;border:none;flex:1;padding:10px;font-size:12px;transition:all .15s}.rag-debug-tab:hover{color:var(--text);background:var(--bg-3)}.rag-debug-tab.active{color:var(--accent);border-bottom:2px solid var(--accent)}.rag-debug-body{flex:1;padding:12px;overflow-y:auto}.doc-item{border:1px solid var(--border);border-radius:6px;margin-bottom:6px;padding:8px 10px;font-size:12px}.doc-item .path{color:var(--text-3);font-size:11px}.doc-item .count{color:var(--green);font-size:11px}.result-item{border:1px solid var(--border);border-radius:6px;margin-bottom:6px;padding:8px 10px}.result-item .src{color:var(--accent);font-size:11px}.result-item .score{color:var(--green);font-size:11px}.result-item .text{color:var(--text-2);cursor:pointer;max-height:60px;margin-top:4px;font-size:12px;overflow:hidden}.result-item .text:hover{max-height:none}.rag-debug-input-wrap{border-top:1px solid var(--border);flex-shrink:0;gap:6px;padding:10px 12px;display:flex}.rag-debug-input-wrap input{border:1px solid var(--border);background:var(--bg-3);color:var(--text);border-radius:6px;outline:none;flex:1;padding:6px 10px;font-size:12px}.rag-debug-input-wrap input:focus{border-color:var(--accent)}.rag-debug-input-wrap button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:6px 12px;font-size:12px}.rag-debug-status{border-top:1px solid var(--border);color:var(--text-3);flex-shrink:0;align-items:center;gap:6px;padding:6px 12px;font-size:11px;display:flex}.rag-debug-status .dot{border-radius:50%;width:8px;height:8px}.rag-debug-status .dot.green{background:var(--green)}.rag-debug-status .dot.yellow{background:var(--orange)}.rag-debug-status .dot.red{background:var(--red)}.vowel-agent-container{z-index:9999;position:fixed;bottom:20px;right:20px}@media (width<=1024px){.toc-col{display:none}.content{padding:24px}}@media (width<=768px){.sidebar{display:none}.chat-panel{width:100%;top:var(--top-h);z-index:30;position:fixed;bottom:0;left:0}.content{padding:16px}}