*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--primary:#217346;--primary-hover:#1a5c38;--primary-light:#e8f5ee;--accent:#f59e0b;--bg:#fff;--bg-secondary:#f8f8f5;--surface-2:#f0f0eb;--text:#181811;--text-muted:#8c8b5f;--border:#e6e6db;--border-subtle:#f0f0eb;--error:#dc2626;--warning:#d97706;--radius:8px}body{font-family:Noto Sans,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:13px;color:var(--text);background:var(--bg);line-height:1.5}.loading-screen,.login-container,.project-selector{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px;min-height:100vh;text-align:center;gap:12px}.progress-track{width:60%;height:3px;background:var(--border);border-radius:2px;overflow:hidden;margin-top:8px}.progress-bar{height:100%;background:var(--primary);border-radius:2px;animation:progress-fill 180s ease-out forwards}@keyframes progress-fill{0%{width:0}to{width:97%}}.logo{height:36px}.logo,.logo-sm{width:auto;object-fit:contain}.logo-sm{height:24px}.login-header{display:flex;flex-direction:column;align-items:center;gap:8px}.login-header p{color:var(--text-muted);margin-bottom:16px}.login-form{gap:12px;width:100%;max-width:300px}.login-form,.login-form label{display:flex;flex-direction:column}.login-form label{gap:4px;font-size:12px;font-weight:500;color:var(--text-muted)}input[type=email],input[type=password],input[type=text],textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;outline:none;transition:border-color .15s}input:focus,textarea:focus{border-color:var(--primary)}button{padding:8px 16px;border:none;border-radius:var(--radius);background:var(--primary);color:#fff;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s}button:hover:not(:disabled):not(.project-item):not(.cancel-btn):not(.sign-out-btn):not(.refresh-btn):not(.new-chat-btn){background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}.project-selector{justify-content:flex-start;padding:20px 16px}.project-header{text-align:center;margin:12px 0 16px}.project-header h2{font-size:17px;font-weight:600;margin-bottom:4px}.project-subtitle{color:var(--text-muted);font-size:12px}.project-list{display:flex;flex-direction:column;gap:8px;width:100%;max-height:50vh;overflow-y:auto;padding:2px}.project-item{display:flex;align-items:center;gap:10px;width:100%;padding:12px;background:var(--bg);color:var(--text);border:1.5px solid var(--border);border-radius:10px;text-align:left;cursor:pointer;transition:border-color .2s,box-shadow .2s}.project-item:hover{border-color:var(--primary);background:var(--bg);box-shadow:0 1px 4px rgba(0,0,0,.08)}.project-icon{font-size:15px;font-weight:700;font-style:italic;color:var(--primary);flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);border-radius:8px}.project-info{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:2px}.project-name{font-weight:600;font-size:13px;color:var(--text)}.project-meta,.project-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project-meta{font-size:11px;color:var(--text-muted)}.project-status{font-size:9px;font-weight:700;padding:3px 8px;border-radius:10px;text-transform:uppercase;letter-spacing:.5px;flex-shrink:0}.status-done{background:var(--primary-light);color:var(--primary)}.status-draft{background:#fef3c7;color:var(--warning)}.empty-state-box{display:flex;flex-direction:column;align-items:center;gap:6px;padding:24px 16px;background:var(--bg-secondary);border:1.5px dashed var(--border);border-radius:12px;width:100%}.empty-icon{font-size:28px}.empty-text{color:var(--text);font-size:13px;font-weight:500}.empty-hint{color:var(--text-muted);font-size:11px;text-align:center}.create-btn{margin-top:16px;width:100%;padding:10px 16px;font-size:14px;font-weight:600;border-radius:10px}.create-form{gap:12px;width:100%}.create-form,.create-form label{display:flex;flex-direction:column}.create-form label{gap:6px;font-size:12px;font-weight:600;color:var(--text)}.create-form input{padding:10px 12px;border-radius:10px}.create-actions{display:flex;gap:8px}.create-actions button{flex:1 1;padding:10px;border-radius:10px;font-weight:600}.create-actions .cancel-btn{background:var(--bg);color:var(--text-muted);border:1.5px solid var(--border);margin-bottom:0;width:auto}.chat-panel{display:flex;flex-direction:column;height:100vh}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--border)}.chat-header .logo-sm{height:24px}.vba-badge{font-size:9px;font-weight:700;letter-spacing:.5px;padding:2px 6px;border-radius:3px;line-height:1;cursor:default;-webkit-user-select:none;-moz-user-select:none;user-select:none}.vba-badge--on{background:var(--primary-light);color:var(--primary)}.vba-badge--off{background:var(--surface-2);color:var(--text-muted)}.chat-header-actions{display:flex;align-items:center;gap:4px}.new-chat-btn{background:none;color:var(--primary);font-size:20px;font-weight:600;padding:2px 8px;line-height:1}.new-chat-btn:hover:not(:disabled){background:var(--primary-light)}.sign-out-btn{background:none;color:var(--text-muted);font-size:16px;padding:4px 8px}.sign-out-btn:hover{color:var(--text);background:none}.cell-context-badge{padding:6px 14px;border-top:1px solid var(--border);background:var(--bg-secondary);font-size:12px}.toggle-label{display:flex;align-items:center;gap:6px;cursor:pointer}.toggle-label input{width:auto}.selection-info{margin-top:4px;display:flex;flex-direction:column;gap:2px}.selection-detail{color:var(--primary);cursor:pointer;font-size:11px}.selection-detail:hover{text-decoration:underline}.refresh-btn{font-size:11px;padding:2px 8px;background:var(--bg);color:var(--primary);border:1px solid var(--border)}.refresh-btn:hover{background:var(--primary-light);border-color:var(--primary)}.warning-text{color:var(--warning);font-size:11px}.message-list{flex:1 1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px}.empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted)}.message{max-width:95%;padding:8px 12px;border-radius:var(--radius);font-size:13px;line-height:1.5;word-break:break-word}.message-user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:2px}.message-assistant{align-self:flex-start;background:var(--bg-secondary);border-bottom-left-radius:2px}.message-assistant p{margin-bottom:6px}.message-assistant p:last-child{margin-bottom:0}.message-assistant ol,.message-assistant ul{padding-left:20px;margin:4px 0}.table-scroll{overflow-x:auto;margin:6px 0}.message-assistant table{border-collapse:collapse;font-size:11px;white-space:nowrap}.message-assistant td,.message-assistant th{border:1px solid var(--border);padding:3px 6px;text-align:left}.message-assistant th{background:var(--bg);font-weight:600}.message-assistant pre{overflow-x:auto;white-space:pre;margin:6px 0}.message-assistant code{background:var(--bg);padding:1px 4px;border-radius:3px;font-size:12px}.message-assistant :not(pre)>code{white-space:nowrap;display:inline-block;max-width:100%;overflow-x:auto;vertical-align:bottom;scrollbar-width:thin}.message-assistant :not(pre)>code::-webkit-scrollbar{height:4px}.message-assistant :not(pre)>code::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.inline-chart{width:100%;height:200px;margin:8px 0;padding:4px}.inline-chart--circular{height:180px;max-width:250px;margin:8px auto;padding:4px}.inline-chart--empty{display:flex;align-items:center;justify-content:center;height:40px;color:var(--text-muted);font-size:11px;font-style:italic}.typing-indicator{display:flex;gap:4px;padding:4px 0}.typing-indicator span{width:6px;height:6px;border-radius:50%;background:var(--primary);animation:blink 1.4s infinite both}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.3}40%{opacity:1}}.confirm-banner{padding:10px 14px;background:#fef3c7;border-bottom:1px solid #fde68a;text-align:center}.confirm-banner p{font-size:12px;color:var(--text);margin-bottom:8px}.confirm-actions{display:flex;gap:8px;justify-content:center}.confirm-actions button{flex:1 1;padding:6px 16px;font-size:12px;font-weight:600;border-radius:var(--radius)}.confirm-actions .cancel-btn{width:auto;margin-bottom:0}.confirm-btn{background:var(--primary);color:#fff}.error-banner,.error-text{color:var(--error);font-size:12px}.error-banner{padding:6px 14px;background:#fef2f2;border-top:1px solid #fecaca}.chat-footer{border-top:1px solid var(--border);padding:8px 14px}.cancel-btn{width:100%;margin-bottom:6px;background:var(--bg);color:var(--text-muted);border:1px solid var(--border);font-size:12px;padding:4px}.message-input{display:flex;gap:8px;align-items:flex-end}.message-input textarea{flex:1 1;resize:none;min-height:36px;max-height:120px}.message-input button{flex-shrink:0;padding:8px 12px}