:root{--bg:#0d1117;--surface:#161b22;--border:#30363d;--text:#e6edf3;--muted:#8b949e;--accent:#58a6ff;--green:#3fb950;--red:#f85149;--yellow:#d29922;--orange:#db6d28;--purple:#bc8cff}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);display:flex;min-height:100vh}

/* Sidebar */
.sidebar{width:180px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;height:100vh;z-index:10}
.sidebar-logo{padding:16px;font-size:18px;font-weight:700;border-bottom:1px solid var(--border)}
.sidebar-logo span{color:var(--accent)}
.sidebar-nav{flex:1;padding:8px}
.nav-item{padding:8px 12px;border-radius:6px;cursor:pointer;font-size:13px;color:var(--muted);margin-bottom:2px}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--text)}
.nav-item.active{background:rgba(88,166,255,.1);color:var(--accent)}
.sidebar-footer{padding:12px;border-top:1px solid var(--border);font-size:11px;color:var(--muted)}
.sidebar-footer .version{font-weight:700;color:var(--accent);margin-bottom:6px}
.sidebar-footer kbd{background:var(--bg);border:1px solid var(--border);border-radius:3px;padding:1px 4px;font-size:10px;color:var(--text)}
.shortcuts{line-height:1.8}

/* Main */
.main{margin-left:180px;flex:1;padding:16px 24px;max-width:1300px}
.page{display:none}
.page.active{display:block}
.page-title{font-size:18px;margin-bottom:16px}

/* Toolbar */
.toolbar{display:flex;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--border);border-radius:8px 8px 0 0;padding:0 12px}
.tabs{display:flex}
.tab{padding:10px 16px;font-size:13px;font-weight:600;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent}
.tab:hover{color:var(--text)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.toolbar-right{display:flex;gap:8px;align-items:center}
.time-select{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:6px 10px;color:var(--text);font-size:12px;cursor:pointer}
.source-input{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:6px 10px;color:var(--text);font-size:12px;width:200px;outline:none}
.source-input:focus{border-color:var(--accent)}

/* Editor */
.editor-section{background:var(--surface);border:1px solid var(--border);border-top:none;border-radius:0 0 8px 8px;margin-bottom:16px;overflow:hidden}
.CodeMirror{height:auto;min-height:70px;max-height:300px;font-size:13px;line-height:1.5;background:var(--bg)!important}
.CodeMirror-scroll{min-height:70px;max-height:300px;overflow-y:auto!important}
.CodeMirror-hints{background:var(--surface)!important;border:1px solid var(--border)!important;border-radius:6px;font-size:13px}
.CodeMirror-hint{color:var(--text)!important;padding:4px 10px!important}
.CodeMirror-hint-active{background:var(--accent)!important;color:#000!important}
.hint-row{display:flex;gap:6px;padding:4px 12px 6px;font-size:11px;color:var(--muted)}
.hint-row kbd{background:var(--bg);border:1px solid var(--border);border-radius:3px;padding:2px 8px;cursor:pointer;font-size:11px;color:var(--text)}
.hint-row kbd:hover{border-color:var(--accent)}
.run-bar{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;border-top:1px solid var(--border)}
.run-info{display:flex;align-items:center;gap:8px;font-size:12px}
.lang-badge{font-size:11px;padding:2px 8px;border-radius:4px;font-weight:600;background:rgba(188,140,255,.15);color:var(--purple)}
.gen-sql{font-family:monospace;color:var(--green);font-size:11px;max-width:500px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.run-actions{display:flex;gap:6px}
.btn{padding:6px 14px;border-radius:6px;border:none;cursor:pointer;font-size:12px;font-weight:600;display:inline-flex;align-items:center;gap:4px}
.btn:hover{opacity:.85}
.btn-run{background:var(--green);color:#000}
.btn-run kbd{background:rgba(0,0,0,.2);border:none;padding:1px 4px;border-radius:3px;font-size:10px}
.btn-secondary{background:var(--border);color:var(--text)}
.btn-lucky{background:linear-gradient(135deg,var(--purple),var(--accent));color:#fff;animation:shimmer 3s infinite}
@keyframes shimmer{0%,100%{opacity:1}50%{opacity:.8}}

/* Stats */
.stats-bar{display:flex;gap:20px;padding:8px 12px;font-size:12px;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:8px 8px 0 0;margin-top:0}
.stats-bar .stat .val{color:var(--text);font-weight:600}

/* Result tabs */
.result-tabs{display:flex;gap:0;border-bottom:1px solid var(--border);background:var(--surface);border-left:1px solid var(--border);border-right:1px solid var(--border);align-items:center}
.result-tab{padding:8px 14px;font-size:12px;font-weight:600;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent}
.result-tab:hover{color:var(--text)}
.result-tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.export-btn{margin-left:auto;background:none;border:1px solid var(--border);border-radius:4px;color:var(--muted);font-size:11px;padding:3px 8px;cursor:pointer;margin-right:4px}
.export-btn:hover{color:var(--text);border-color:var(--accent)}
.result-pane{display:none;background:var(--surface);border:1px solid var(--border);border-top:none}
.result-pane.active{display:block}

/* Table */
.table-wrap{max-height:400px;overflow:auto}
table{width:100%;border-collapse:collapse;font-size:12px}
thead{background:var(--bg)}
th{padding:6px 10px;text-align:left;font-weight:600;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg)}
td{padding:5px 10px;border-bottom:1px solid var(--border);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
tr{cursor:pointer}
tr:hover td{background:rgba(88,166,255,.06)}
tr.row-ERROR{border-left:3px solid var(--red)}
tr.row-WARN{border-left:3px solid var(--yellow)}
tr.row-INFO{border-left:3px solid var(--green)}
tr.row-DEBUG{border-left:3px solid var(--muted)}
.level-badge{padding:2px 6px;border-radius:3px;font-size:10px;font-weight:700}
.level-ERROR{background:rgba(248,81,73,.15);color:var(--red)}
.level-WARN{background:rgba(210,153,34,.15);color:var(--yellow)}
.level-INFO{background:rgba(63,185,80,.1);color:var(--green)}
.level-DEBUG{background:rgba(139,148,158,.1);color:var(--muted)}
.ts-relative{color:var(--muted);font-size:11px}

/* Aggregation */
.agg-pane{padding:14px}
.agg-chart{margin-bottom:14px}
.agg-chart h3{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}
.bar-row{display:flex;align-items:center;gap:8px;margin-bottom:5px;font-size:12px}
.bar-label{width:140px;text-align:right;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-track{flex:1;height:22px;background:var(--bg);border-radius:4px;overflow:hidden}
.bar-fill{height:100%;border-radius:4px;display:flex;align-items:center;padding-left:6px;font-size:10px;font-weight:700;color:#000}
.bar-value{width:50px;font-weight:700;color:var(--text)}

/* AI Summary */
.ai-summary{padding:12px;background:var(--bg);border:1px solid var(--border);border-top:none;font-size:12px;line-height:1.6}
.summary-title{font-size:11px;color:var(--accent);font-weight:600;margin-bottom:6px}

/* Cost Panel */
.cost-panel{border:1px solid var(--border);border-top:none;border-radius:0 0 8px 8px;font-size:12px}
.cost-header{padding:8px 12px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;color:var(--muted)}
.cost-header:hover{background:rgba(255,255,255,.02)}
.cost-title{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:600}
.cost-badge{background:var(--green);color:#000;font-size:10px;padding:1px 6px;border-radius:8px;font-weight:700}
.cost-header .arrow{font-size:10px;transition:transform .2s}
.cost-header.open .arrow{transform:rotate(180deg)}
.cost-body{display:none;padding:10px 12px;background:var(--bg)}
.cost-body.open{display:block}
.cost-row{display:flex;align-items:center;gap:6px;margin-bottom:4px;font-size:11px}
.cost-row .cost-label{width:140px;color:var(--muted)}
.cost-row .cost-bar-track{flex:1;height:16px;background:var(--surface);border-radius:3px;overflow:hidden}
.cost-row .cost-bar-fill{height:100%;border-radius:3px;min-width:2px}
.cost-row .cost-val{width:70px;text-align:right;font-family:monospace;font-weight:600}
.cost-row.highlight .cost-label{color:var(--green);font-weight:700}
.cost-row.highlight .cost-val{color:var(--green)}
.cost-section-title{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin:8px 0 4px;padding-top:6px;border-top:1px solid var(--border)}
.cost-savings{margin-top:8px;padding:8px 10px;background:rgba(63,185,80,.08);border:1px solid rgba(63,185,80,.2);border-radius:4px;font-size:11px;color:var(--green)}

/* Modal */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:100;justify-content:center;align-items:center}
.modal-overlay.open{display:flex}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:8px;width:700px;max-height:80vh;overflow:auto}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);font-weight:600}
.modal-header button{background:none;border:none;color:var(--muted);cursor:pointer;font-size:18px}
.modal-body{padding:16px}
.detail-row{display:flex;gap:8px;padding:6px 0;border-bottom:1px solid var(--border);font-size:13px}
.detail-key{width:140px;color:var(--accent);font-weight:600;flex-shrink:0}
.detail-val{flex:1;word-break:break-all;color:var(--text)}
.detail-copy{background:none;border:1px solid var(--border);border-radius:3px;color:var(--muted);cursor:pointer;font-size:10px;padding:1px 6px;flex-shrink:0}
.detail-copy:hover{color:var(--accent);border-color:var(--accent)}

/* History */
.history-list{display:flex;flex-direction:column;gap:6px}
.history-item{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:10px 14px;cursor:pointer;font-size:13px}
.history-item:hover{border-color:var(--accent)}
.history-item .h-query{color:var(--text);margin-bottom:4px}
.history-item .h-meta{font-size:11px;color:var(--muted);display:flex;gap:12px}

/* What's New */
.whatsnew{font-size:13px}
.wn-item{padding:6px 0;display:flex;align-items:center;gap:8px}
.wn-tag{font-size:10px;padding:2px 6px;border-radius:4px;font-weight:700}
.wn-tag.new{background:rgba(63,185,80,.15);color:var(--green)}
.wn-tag.feat{background:rgba(88,166,255,.15);color:var(--accent)}

/* Loading / Empty */
.loading{display:none;padding:30px;text-align:center;color:var(--muted)}
.loading.active{display:block}
.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.empty{padding:50px;text-align:center;color:var(--muted)}
.empty-icon{font-size:36px;margin-bottom:10px}
.empty-sub{font-size:12px;margin-top:6px}

/* Chat Drawer */
.chat-drawer{position:fixed;right:-420px;top:0;width:400px;height:100vh;background:var(--surface);border-left:1px solid var(--border);display:flex;flex-direction:column;transition:right .25s ease;z-index:50}
.chat-drawer.open{right:0}
.chat-drawer.maximized{width:calc(100vw - 180px) !important}
.chat-resize{position:absolute;left:-4px;top:0;width:8px;height:100%;cursor:col-resize;z-index:51}
.chat-resize:hover{background:var(--accent);opacity:.3}
.chat-header{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:14px}
.chat-header-actions{display:flex;gap:4px}
.chat-header-actions button{background:none;border:1px solid var(--border);border-radius:4px;color:var(--muted);cursor:pointer;width:28px;height:28px;font-size:14px}
.chat-header-actions button:hover{color:var(--text);border-color:var(--accent)}
.chat-messages{flex:1;overflow-y:auto;padding:12px}
.chat-welcome{padding:16px;background:var(--bg);border-radius:8px;font-size:13px;color:var(--muted);line-height:1.6}
.chat-bubble{margin-bottom:12px;max-width:95%}
.chat-bubble.user{margin-left:auto}
.chat-bubble .bubble-content{padding:10px 14px;border-radius:12px;font-size:13px;line-height:1.6}
.chat-bubble.user .bubble-content{background:var(--accent);color:#000;border-bottom-right-radius:4px}
.chat-bubble.assistant .bubble-content{background:var(--bg);border:1px solid var(--border);border-bottom-left-radius:4px}
.chat-bubble .bubble-meta{font-size:10px;color:var(--muted);margin-top:4px;padding:0 4px}
.chat-bubble .tool-calls{margin-top:6px;font-size:11px}
.chat-bubble .tool-call{background:var(--surface);border:1px solid var(--border);border-radius:4px;padding:4px 8px;margin-top:3px;color:var(--green);font-family:monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-suggestions{display:flex;flex-wrap:wrap;gap:4px;padding:6px 12px}
.chat-suggestions button{background:var(--bg);border:1px solid var(--border);border-radius:12px;color:var(--accent);font-size:11px;padding:4px 10px;cursor:pointer;white-space:nowrap}
.chat-suggestions button:hover{border-color:var(--accent);background:rgba(88,166,255,.08)}
.chat-input-row{display:flex;gap:6px;padding:10px 12px;border-top:1px solid var(--border)}
.chat-input-row input{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:8px 12px;color:var(--text);font-size:13px;outline:none}
.chat-input-row input:focus{border-color:var(--accent)}
.chat-send{background:var(--accent);color:#000;border:none;border-radius:6px;padding:8px 14px;font-weight:600;font-size:12px;cursor:pointer}
.chat-send:hover{opacity:.85}
.chat-typing{padding:8px 14px;font-size:12px;color:var(--muted);font-style:italic}
.main.chat-open{margin-right:400px}