:root{--bg-primary: #0f1117;--bg-secondary: #1a1d27;--bg-tertiary: #242836;--bg-hover: #2d3244;--text-primary: #e4e6eb;--text-secondary: #a0a3b1;--text-muted: #6b6f80;--accent: #6c8cff;--accent-hover: #5a7aff;--border: #2d3244;--success: #50c878;--warning: #ffb347;--error: #ff6b6b;--shadow: 0 4px 24px rgba(0, 0, 0, .3);--radius: 8px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:radial-gradient(circle at center,#0a0f1f,#05070d);color:var(--text-primary);overflow:hidden;height:100vh}#root{height:100vh}.app{display:flex;flex-direction:column;height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:10}.app-header h1{font-size:16px;font-weight:600;color:var(--text-primary)}.app-header h1 span{color:var(--accent)}.header-stats{display:flex;gap:16px;font-size:12px;color:var(--text-secondary)}.header-stats .stat{display:flex;align-items:center;gap:4px}.header-stats .stat-value{font-weight:600;color:var(--text-primary)}.app-body{flex:1;overflow:hidden}.graph-panel{flex:1;height:100%;width:100%;position:relative;background:radial-gradient(circle at center,#0b0f1a,#05070d)}.graph-controls{position:absolute;top:12px;left:12px;z-index:5;display:flex;flex-direction:column;gap:8px}.filter-bar{display:flex;gap:6px;flex-wrap:wrap}.filter-btn{padding:6px 12px;font-size:11px;font-weight:500;border:1px solid var(--border);border-radius:20px;background:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;transition:all .2s;font-family:inherit}.filter-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.graph-legend{position:absolute;bottom:12px;left:12px;z-index:5;display:flex;gap:12px;flex-wrap:wrap;padding:8px 12px;background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border)}.legend-item{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-secondary)}.legend-dot{width:10px;height:10px;border-radius:50%}.chat-header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.chat-header h2{font-size:14px;font-weight:600}.clear-btn{font-size:11px;color:var(--text-muted);background:none;border:none;cursor:pointer;font-family:inherit}.clear-btn:hover{color:var(--text-secondary)}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:16px}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.message{display:flex;flex-direction:column;gap:6px}.message.user{align-items:flex-end}.message.assistant{align-items:flex-start}.message-bubble{max-width:90%;padding:10px 14px;border-radius:var(--radius-lg);font-size:13px;line-height:1.6;word-wrap:break-word}.message.user .message-bubble{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.message.assistant .message-bubble{background:var(--bg-tertiary);color:var(--text-primary);border-bottom-left-radius:4px}.message-bubble p{margin:4px 0}.message-bubble strong{font-weight:600}.message-bubble code{background:#0003;padding:1px 4px;border-radius:3px;font-size:12px}.message-bubble ul,.message-bubble ol{padding-left:18px;margin:4px 0}.message-bubble li{margin:2px 0}.sql-toggle{font-size:11px;color:var(--accent);background:none;border:none;cursor:pointer;padding:4px 0;font-family:inherit}.sql-block{background:#1a1a2e;border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;font-family:JetBrains Mono,monospace;font-size:11px;color:#a8d8ea;white-space:pre-wrap;word-break:break-all;max-width:90%;overflow-x:auto}.typing-indicator{display:flex;gap:4px;padding:12px 14px;background:var(--bg-tertiary);border-radius:var(--radius-lg);width:fit-content}.typing-dot{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:typing 1.4s infinite}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}.chat-input-area{padding:12px 16px;border-top:1px solid var(--border)}.chat-input-wrapper{display:flex;gap:8px;align-items:flex-end}.chat-input{flex:1;padding:10px 14px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:13px;font-family:inherit;resize:none;outline:none;min-height:40px;max-height:120px}.chat-input::placeholder{color:var(--text-muted)}.send-btn{padding:10px 16px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:13px;font-weight:500;font-family:inherit;transition:background .2s;white-space:nowrap}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.sample-queries{display:flex;flex-direction:column;gap:6px;padding:8px 0 0}.sample-query{font-size:11px;color:var(--accent);background:none;border:1px solid var(--border);border-radius:var(--radius);padding:6px 10px;cursor:pointer;text-align:left;font-family:inherit;transition:all .2s}.sample-query:hover{background:var(--bg-hover);border-color:var(--accent)}.node-detail-overlay::-webkit-scrollbar{width:4px}.node-detail-overlay::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.loading-overlay{display:flex;align-items:center;justify-content:center;height:100vh;flex-direction:column;gap:16px}.loading-overlay h2{font-size:18px;color:var(--text-primary)}.loading-overlay p{font-size:13px;color:var(--text-secondary)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.container{max-width:1400px;margin:0 auto;padding:16px}.main-layout{display:grid;grid-template-columns:70% 30%;height:calc(100vh - 50px)}.node-detail-overlay{position:absolute;top:80px;right:20px;width:320px;z-index:10}.node-detail-card{background:#141823f2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:14px;padding:16px;box-shadow:0 10px 30px #0006}.node-detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.header-left{display:flex;align-items:center;gap:10px}.node-type-badge{padding:4px 8px;border-radius:6px;font-size:11px;color:#fff;font-weight:500}.node-title{font-size:16px;margin:0}.close-btn{background:transparent;border:none;color:#aaa;font-size:16px;cursor:pointer}.close-btn:hover{color:#fff}.detail-section{margin-top:16px}.detail-section h4{font-size:13px;margin-bottom:8px;color:#9aa4b2}.detail-card{background:#ffffff08;padding:10px;border-radius:8px}.detail-row{display:flex;justify-content:space-between;margin-bottom:6px;font-size:13px}.detail-key{color:#9aa4b2}.detail-value{color:#e4e6eb;font-weight:500}.neighbor-list{display:flex;flex-direction:column;gap:6px}.neighbor-item{display:flex;gap:6px;padding:8px;border-radius:6px;cursor:pointer;background:#ffffff05}.neighbor-item:hover{background:#ffffff14}.neighbor-direction{color:#888}.neighbor-label{font-weight:500}.neighbor-relation{margin-left:auto;font-size:11px;color:#888}.chat-panel{display:flex;flex-direction:column;height:100%;background:#141823cc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-left:1px solid rgba(255,255,255,.08)}.chat-header{display:flex;justify-content:space-between;padding:14px;border-bottom:1px solid rgba(255,255,255,.05)}.chat-subtitle{font-size:12px;color:#9aa4b2}.chat-messages{flex:1;overflow-y:auto;padding:14px}.message{margin-bottom:10px}.message.user{text-align:right}.message-bubble{display:inline-block;padding:10px 12px;border-radius:10px;max-width:80%;font-size:13px;line-height:1.5}.message.user .message-bubble{background:linear-gradient(135deg,#4f8cff,#6c5ce7);color:#fff}.message.assistant .message-bubble{background:#ffffff0d;color:#e4e6eb}.sql-section{margin-top:6px}.sql-toggle{font-size:11px;color:#9aa4b2;background:none;border:none;cursor:pointer}.sql-block{margin-top:6px;background:#0b0f1a;padding:8px;border-radius:6px;font-size:11px;overflow-x:auto}.chat-input-area{display:flex;padding:10px;border-top:1px solid rgba(255,255,255,.05)}.chat-input{flex:1;background:#1c1f2b;border:1px solid transparent;border-radius:8px;padding:10px;color:#fff}.chat-input:focus{border-color:var(--accent)}.send-btn{margin-left:6px;background:linear-gradient(135deg,#4f8cff,#6c5ce7);border:none;border-radius:8px;padding:0 12px;color:#fff;cursor:pointer}.welcome-card{background:#ffffff08;padding:12px;border-radius:10px}.sample-query{display:block;margin-top:6px;padding:6px;background:#ffffff0d;border:none;border-radius:6px;text-align:left;cursor:pointer}.sample-query:hover{background:#ffffff1a}