@import"https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap";:root{--brand-primary: #2235dc;--brand-primary-hover: #1a2ab5;--brand-dark: #0b0b0f;--brand-gold: #ffc590;--brand-bg: #f6f7fb;--brand-white: #ffffff;--bg: #f6f7fb;--bg-secondary: #ffffff;--bg-tertiary: #f0f1f5;--border: #e5e7eb;--border-light: #f0f1f5;--text: #0b0b0f;--text-secondary: #374151;--text-muted: #6B7280;--text-faint: #9CA3AF;--accent: #2235dc;--accent-hover: #1a2ab5;--accent-light: rgba(34,53,220,.08);--user-bubble: #0b0b0f;--agent-bubble: #ffffff;--danger: #EF4444;--success: #10B981;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:DM Sans,-apple-system,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}.app{display:flex;height:100vh}.sidebar{width:230px;background:var(--brand-white);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:0}.sidebar-header{padding:20px 20px 16px;border-bottom:1px solid var(--border)}.sidebar-brand{font-size:20px;font-weight:700;color:var(--brand-dark);margin-bottom:12px;letter-spacing:-.3px}.sidebar-brand .brand-o{color:var(--brand-primary)}.sidebar-header .agent-name{font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px;color:var(--text)}.sidebar-header .agent-label{font-size:12px;color:var(--text-muted);margin-top:2px}.sidebar-nav{padding:8px 0;flex:1}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 20px;cursor:pointer;color:var(--text-muted);font-size:14px;font-weight:500;transition:all .15s;border-left:3px solid transparent}.nav-item:hover{background:var(--bg-tertiary);color:var(--text)}.nav-item.active{color:var(--accent);border-left-color:var(--accent);background:var(--accent-light)}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border)}.user-badge{font-size:12px;color:var(--text-muted);margin-bottom:10px}.logout-btn{width:100%;padding:8px;background:transparent;border:1px solid var(--border);color:var(--text-muted);border-radius:6px;cursor:pointer;font-size:13px;font-family:inherit;transition:all .15s}.logout-btn:hover{border-color:var(--danger);color:var(--danger)}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}.login-card{background:var(--brand-white);border:1px solid var(--border);border-radius:12px;padding:40px;width:400px;box-shadow:var(--shadow-lg)}.login-brand{font-size:24px;font-weight:700;color:var(--brand-dark);margin-bottom:4px;letter-spacing:-.3px}.login-brand .brand-o{color:var(--brand-primary)}.login-subtitle{color:var(--text-muted);margin-bottom:28px;font-size:14px}.login-card h2{font-size:18px;font-weight:600;margin-bottom:20px;color:var(--text)}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;background:var(--brand-white);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;font-family:inherit;outline:none;transition:border-color .15s}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2235dc1a}.btn-primary{width:100%;padding:10px;background:var(--brand-dark);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;margin-top:4px;transition:all .15s}.btn-primary:hover{background:#1a1a24;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.login-error{color:var(--danger);font-size:13px;margin-bottom:12px;background:#fee2e2;padding:8px 12px;border-radius:6px}.login-success{color:var(--success);font-size:13px;margin-bottom:12px;background:#d1fae5;padding:8px 12px;border-radius:6px}.login-footer{text-align:center;margin-top:16px}.link-btn{background:none;border:none;color:var(--accent);font-size:13px;cursor:pointer;font-family:inherit;text-decoration:underline}.link-btn:hover{color:var(--accent-hover)}.chat-container{flex:1;display:flex;flex-direction:column}.chat-header{padding:16px 20px;border-bottom:1px solid var(--border);background:var(--brand-white);display:flex;align-items:center;gap:10px}.chat-header .status-dot{width:8px;height:8px;border-radius:50%;background:var(--success)}.chat-header .status-dot.offline{background:var(--danger)}.messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.message{max-width:75%;padding:12px 16px;border-radius:16px;font-size:14px;line-height:1.6}.message.user{align-self:flex-end;background:var(--user-bubble);color:#fff;border-bottom-right-radius:4px}.message.agent{align-self:flex-start;background:var(--agent-bubble);border:1px solid var(--border);border-bottom-left-radius:4px;color:var(--text);box-shadow:var(--shadow-sm)}.message.agent p{margin-bottom:8px}.message.agent p:last-child{margin-bottom:0}.message.agent code{background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;font-size:13px}.message.agent pre{background:var(--bg-tertiary);padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0}.message.agent pre code{background:none;padding:0}.message.system{align-self:center;color:var(--text-muted);font-size:12px;font-style:italic}.typing-indicator{align-self:flex-start;color:var(--text-muted);font-size:13px;padding:8px 16px}.chat-input-area{padding:16px 20px;border-top:1px solid var(--border);background:var(--brand-white);display:flex;gap:10px}.chat-input-area textarea{flex:1;padding:10px 14px;background:var(--bg);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:14px;font-family:inherit;resize:none;outline:none;min-height:44px;max-height:150px}.chat-input-area textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2235dc1a}.send-btn{padding:10px 20px;background:var(--brand-dark);color:#fff;border:none;border-radius:10px;font-weight:600;cursor:pointer;font-size:14px;font-family:inherit;align-self:flex-end;transition:all .15s}.send-btn:hover{background:#1a1a24}.send-btn:disabled{opacity:.5;cursor:not-allowed}.files-container{flex:1;display:flex;flex-direction:column;padding:24px;overflow-y:auto}.files-container h2{margin-bottom:4px;font-size:18px;font-weight:600}.upload-zone{border:2px dashed var(--border);border-radius:12px;padding:40px;text-align:center;cursor:pointer;margin-bottom:20px;transition:all .2s;background:var(--brand-white)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:var(--accent-light)}.upload-zone p{color:var(--text-muted);font-size:14px}.upload-zone .upload-icon{font-size:32px;margin-bottom:8px}.file-list{display:flex;flex-direction:column;gap:8px}.file-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--brand-white);border:1px solid var(--border);border-radius:8px}.file-info{display:flex;flex-direction:column;gap:2px}.file-name{font-size:14px;font-weight:500}.file-meta{font-size:12px;color:var(--text-muted)}.file-delete{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12px;font-family:inherit}.file-delete:hover{border-color:var(--danger);color:var(--danger)}.core-files-container{flex:1;display:flex;overflow:hidden}.core-files-sidebar{width:280px;background:var(--brand-white);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}.core-files-header{padding:16px;border-bottom:1px solid var(--border)}.core-files-header h3{font-size:16px;font-weight:600;margin-bottom:4px}.core-files-header p{font-size:12px;color:var(--text-muted)}.core-file-list{flex:1;overflow-y:auto}.core-file-item{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;cursor:pointer;border-bottom:1px solid var(--border-light);transition:all .15s}.core-file-item:hover{background:var(--bg-tertiary)}.core-file-item.active{background:var(--accent-light);border-left:3px solid var(--accent)}.core-file-icon{font-size:20px;margin-top:2px}.core-file-info{flex:1;min-width:0}.core-file-name{font-size:13px;font-weight:600;margin-bottom:2px}.core-file-desc{font-size:11px;color:var(--text-muted);line-height:1.4}.core-files-editor{flex:1;display:flex;flex-direction:column;overflow:hidden}.core-files-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center;padding:40px}.core-files-empty h3{color:var(--text);margin-bottom:8px}.core-files-empty p{font-size:14px;max-width:400px}.editor-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--brand-white)}.editor-title{display:flex;align-items:center;gap:8px;font-weight:600;font-size:14px}.editor-actions{display:flex;align-items:center;gap:12px}.save-indicator{color:var(--success);font-size:13px;font-weight:500}.save-btn{padding:6px 16px;background:var(--brand-dark);color:#fff;border:none;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}.save-btn:hover{background:#1a1a24}.save-btn:disabled{opacity:.5;cursor:not-allowed}.editor-textarea{flex:1;width:100%;padding:16px;background:var(--bg);border:none;color:var(--text);font-family:JetBrains Mono,Fira Code,SF Mono,monospace;font-size:13px;line-height:1.7;resize:none;outline:none;overflow-y:auto}@media (max-width: 768px){.sidebar{width:60px}.sidebar-brand,.sidebar-header .agent-name span:last-child,.sidebar-header .agent-label,.nav-item span,.user-badge{display:none}.nav-item{justify-content:center;padding:12px}.sidebar-footer .logout-btn{font-size:0}.core-files-sidebar{width:60px}.core-file-info,.core-files-header h3,.core-files-header p{display:none}.core-file-item{justify-content:center;padding:12px}}.cursor-blink{animation:blink 1s step-end infinite;font-weight:300;color:var(--brand-primary)}@keyframes blink{50%{opacity:0}}.stop-btn{background:#dc2626!important;border-color:#dc2626!important}.stop-btn:hover{background:#b91c1c!important;border-color:#b91c1c!important}.welcome-greeting{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 24px 40px;flex:1}.welcome-emoji{font-size:48px;margin-bottom:16px;line-height:1}.welcome-text{font-size:20px;font-weight:600;color:var(--brand-dark);max-width:400px;line-height:1.4;margin-bottom:8px}.welcome-sub{font-size:14px;color:var(--text-muted)}