@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-base:#0a0a0f;--bg-surface:#111118;--bg-card:#16161f;--bg-hover:#1e1e2a;--bg-input:#1a1a24;--surface-raised:#1f1f2e;--surface-sunken:#11111a;--border:#ffffff12;--border-focus:#6366f199;--accent:#6366f1;--accent-light:#818cf8;--accent-glow:#6366f133;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--text-primary:#f1f0f8;--text-secondary:#9896b0;--text-muted:#5c5a78;--radius-sm:6px;--radius-md:12px;--radius-lg:18px;--sidebar-w:260px;--header-h:56px;--transition:.18s ease;--font:"Inter", -apple-system, BlinkMacSystemFont, sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font);background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.6}#auth-screen{background:radial-gradient(ellipse at 50% 0%, #6366f126 0%, transparent 70%), var(--bg-base);justify-content:center;align-items:center;min-height:100vh;display:flex;overflow:auto}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:400px;padding:40px;box-shadow:0 24px 64px #00000080}.auth-logo{align-items:center;gap:10px;margin-bottom:28px;display:flex}.auth-logo-icon{background:linear-gradient(135deg, var(--accent), #a78bfa);border-radius:10px;justify-content:center;align-items:center;width:38px;height:38px;font-size:18px;display:flex}.auth-logo-text{letter-spacing:-.3px;font-size:18px;font-weight:700}.auth-title{letter-spacing:-.3px;margin-bottom:6px;font-size:22px;font-weight:700}.auth-subtitle{color:var(--text-secondary);margin-bottom:28px;font-size:13px}.auth-tabs{background:var(--bg-input);border-radius:var(--radius-sm);margin-bottom:24px;padding:3px;display:flex}.auth-tab{color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:4px;flex:1;padding:7px;font-size:13px;font-weight:500}.auth-tab.active{background:var(--bg-card);color:var(--text-primary);box-shadow:0 1px 4px #0000004d}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:12px;font-weight:500;display:block}.form-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);font-family:var(--font);transition:var(--transition);outline:none;padding:10px 14px;font-size:14px}.form-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}.form-input::placeholder{color:var(--text-muted)}select.form-input{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239896b0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 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var(--border);z-index:10;flex-shrink:0;align-items:center;gap:12px;padding:0 16px;display:flex}.header-logo{letter-spacing:-.3px;align-items:center;gap:8px;margin-right:8px;font-size:15px;font-weight:700;display:flex}.header-logo-icon{background:linear-gradient(135deg, var(--accent), #a78bfa);border-radius:7px;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;display:flex}.header-divider{background:var(--border);width:1px;height:20px}.agent-selector{position:relative}.agent-selector-btn{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;font-family:var(--font);transition:var(--transition);align-items:center;gap:8px;min-width:160px;padding:6px 10px;font-size:13px;font-weight:500;display:flex}.agent-selector-btn:hover{border-color:var(--border-focus);background:var(--bg-hover)}.agent-emoji{font-size:16px}.agent-chevron{color:var(--text-muted);margin-left:auto;font-size:11px}.agent-dropdown{background:var(--surface-raised);border:1px solid var(--border);z-index:100;border-radius:12px;min-width:200px;margin-top:8px;padding:8px;animation:.2s slideDown;position:absolute;top:100%;left:0;box-shadow:0 10px 40px -10px #00000080}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.agent-dropdown-header{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border);padding:10px 14px;font-size:11px;font-weight:600}.agent-option{cursor:pointer;transition:var(--transition);align-items:center;gap:10px;padding:10px 14px;display:flex}.agent-option:hover,.agent-option.active{background:var(--bg-hover)}.agent-option.active .agent-option-name{color:var(--accent-light)}.agent-option-info{flex:1;min-width:0}.agent-option-name{font-size:13px;font-weight:500}.agent-option-desc{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.header-spacer{flex:1}.header-user{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);color:var(--text-secondary);align-items:center;gap:8px;padding:6px 10px;font-size:13px;display:flex}.header-user:hover{background:var(--bg-hover);color:var(--text-primary)}.user-avatar{background:linear-gradient(135deg, var(--accent), #7c3aed);color:#fff;border-radius:6px;justify-content:center;align-items:center;width:26px;height:26px;font-size:11px;font-weight:700;display:flex}.main-layout{flex:1;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--bg-surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar-section{padding:12px 10px 6px}.sidebar-label{text-transform:uppercase;letter-spacing:.7px;color:var(--text-muted);margin-bottom:4px;padding:0 6px;font-size:10.5px;font-weight:600}.new-chat-btn{background:var(--accent-glow);border-radius:var(--radius-sm);width:100%;color:var(--accent-light);font-size:13px;font-weight:500;font-family:var(--font);cursor:pointer;transition:var(--transition);border:1px solid #6366f14d;align-items:center;gap:8px;margin-bottom:8px;padding:8px 10px;display:flex}.new-chat-btn:hover{background:#6366f133;border-color:#6366f180}.conv-list{flex:1;padding:0 10px;overflow-y:auto}.conv-list::-webkit-scrollbar{width:4px}.conv-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.conv-group{margin-bottom:12px}.conv-item{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);color:var(--text-secondary);align-items:center;gap:8px;min-width:0;margin-bottom:1px;padding:8px 10px;font-size:13px;display:flex}.conv-item:hover,.conv-item.active{background:var(--bg-hover);color:var(--text-primary)}.conv-icon{flex-shrink:0;font-size:14px}.conv-title{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.sidebar-bottom{border-top:1px solid var(--border);padding:10px}.autonomy-toggle{padding:0 4px 10px}.autonomy-label{text-transform:uppercase;letter-spacing:.7px;color:var(--text-muted);margin-bottom:6px;padding:0 4px;font-size:10.5px;font-weight:600}.autonomy-options{background:var(--bg-input);border-radius:var(--radius-sm);gap:2px;padding:3px;display:flex}.autonomy-option{color:var(--text-muted);cursor:pointer;font-size:11px;font-weight:500;font-family:var(--font);transition:var(--transition);white-space:nowrap;background:0 0;border:none;border-radius:4px;flex:1;justify-content:center;align-items:center;gap:4px;padding:5px 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0;border:none;border-radius:4px;padding:4px;font-size:16px}.logout-btn:hover{color:var(--danger)}.chat-area{background:var(--bg-base);flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-empty{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px;display:flex}.chat-empty-icon{background:linear-gradient(135deg, var(--accent), #a78bfa);border-radius:16px;justify-content:center;align-items:center;width:60px;height:60px;margin-bottom:20px;font-size:28px;display:flex;box-shadow:0 8px 24px #6366f14d}.chat-empty h2{letter-spacing:-.3px;margin-bottom:8px;font-size:22px;font-weight:700}.chat-empty p{color:var(--text-secondary);max-width:360px;font-size:14px;line-height:1.6}.quick-actions{flex-wrap:wrap;justify-content:center;gap:8px;max-width:480px;margin-top:24px;display:flex}.quick-action{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;border-radius:20px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;transition:all .2s;display:flex}.quick-action:hover{border-color:var(--accent);color:var(--text-primary);background:var(--bg-hover);transform:translateY(-1px);box-shadow:0 4px 12px #6366f126}.messages{flex-direction:column;flex:1;padding:0;display:none;overflow-y:auto}.messages.visible{display:flex}.messages-content{flex-direction:column;gap:20px;width:100%;max-width:960px;margin:0 auto;padding:24px 20px 48px;display:flex}.messages::-webkit-scrollbar{width:5px}.messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.message{flex-direction:column;gap:6px;max-width:85%;animation:.2s msgIn;display:flex}.message-nested-details{background:var(--bg-modifier);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;margin-top:4px;transition:all .2s;overflow:hidden}.message-nested-details[open]{background:var(--bg-card);border-color:var(--border-focus)}.message-nested-summary{color:var(--text-primary);cursor:pointer;-webkit-user-select:none;user-select:none;background:var(--bg-surface);align-items:center;gap:6px;padding:8px 12px;font-size:12.5px;font-weight:500;display:flex}.message-nested-summary:hover{background:var(--bg-hover)}.nested-icon{color:var(--text-muted);font-weight:700}.message-nested-children{border-top:1px solid var(--border);background:#00000026;flex-direction:column;gap:16px;padding:12px 16px;display:flex}.conv-group-label{text-transform:uppercase;color:var(--text-muted);letter-spacing:.5px;align-items:center;gap:6px;margin-top:8px;padding:8px 16px 4px;font-size:11px;font-weight:700;display:flex}.message.user{align-self:flex-end;align-items:flex-end}.message.assistant{align-self:flex-start;align-items:flex-start;max-width:95%}@keyframes msgIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.message-header{align-items:center;gap:10px;margin-bottom:2px;display:flex}.message.user .message-header{flex-direction:row-reverse}.message-avatar{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;display:flex}.message.user .message-avatar{color:#fff;background:linear-gradient(135deg,#3b82f6,#6366f1);font-size:11px;font-weight:700}.message.assistant .message-avatar{background:linear-gradient(135deg, var(--accent), #a78bfa)}.message-name{color:var(--text-secondary);font-size:12px;font-weight:600}.message-time{color:var(--text-muted);margin-left:auto;font-size:11px}.message-body{color:var(--text-primary);border-radius:12px;padding:10px 14px;font-size:14px;line-height:1.6}.message.user .message-body{background:var(--accent);color:#fff;border-bottom-right-radius:4px;box-shadow:0 2px 4px #0000001a}.message.assistant .message-body{box-shadow:none;background:0 0;border-radius:0;margin-left:38px;padding:0;font-size:14.5px}.message.assistant .message-body p:first-child{margin-top:4px}.message-body p{margin-bottom:10px}.message-body p:last-child{margin-bottom:0}.message-body h1,.message-body h2,.message-body h3{letter-spacing:-.2px;margin:16px 0 8px;font-weight:600}.message-body h1{font-size:20px}.message-body h2{font-size:17px}.message-body h3{font-size:15px}.message-body ul,.message-body ol{margin-bottom:10px;padding-left:20px}.message-body li{margin-bottom:4px}.message-body code{background:var(--bg-card);border:1px solid var(--border);color:var(--accent-light);border-radius:4px;padding:1px 6px;font-family:SFMono-Regular,Consolas,monospace;font-size:13px}.message-body pre{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);margin:10px 0;padding:14px 16px;overflow-x:auto}.message-body pre code{color:var(--text-primary);background:0 0;border:none;padding:0;font-size:13px}.message-body blockquote{border-left:3px solid var(--accent);color:var(--text-secondary);margin:8px 0;padding-left:14px}.message-body table{border-collapse:collapse;width:100%;margin:10px 0;font-size:13px}.message-body th,.message-body td{border:1px solid var(--border);text-align:left;padding:8px 12px}.message-body th{background:var(--bg-card);font-weight:600}.message-body strong{font-weight:600}.message-body em{color:var(--text-secondary);font-style:italic}.message-body a{color:var(--accent-light);text-decoration:none}.message-body a:hover{text-decoration:underline}.message-body hr{border:none;border-top:1px solid var(--border);margin:14px 0}.tool-calls{flex-direction:column;gap:6px;max-width:100%;display:flex}.tool-call-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);align-items:center;gap:8px;padding:7px 12px;font-size:12px;animation:.2s msgIn;display:flex}.tool-call-icon{font-size:14px}.tool-call-name{color:var(--text-primary);font-weight:500}.tool-call-status{margin-left:auto}.tool-call-status.ok{color:var(--success)}.tool-call-status.blocked{color:var(--danger)}.tool-call-status.running{color:var(--warning)}.thinking{background-image:linear-gradient(90deg, var(--text-muted) 0%, var(--accent) 50%, var(--text-muted) 100%);color:#0000;background-size:200%;-webkit-background-clip:text;background-clip:text;align-items:center;gap:10px;padding-left:38px;font-size:13.5px;font-weight:500;animation:2.5s linear infinite shimmerText;display:flex}.thinking-sparkle{color:var(--accent);animation:2.5s linear infinite sparkleSpin}@keyframes shimmerText{to{background-position:200%}}@keyframes sparkleSpin{0%{transform:rotate(0)scale(.85)}50%{filter:drop-shadow(0 0 4px var(--accent));transform:rotate(180deg)scale(1.15)}to{transform:rotate(360deg)scale(.85)}}.input-area{z-index:10;width:100%;max-width:960px;margin:0 auto;padding:16px 24px 20px;position:relative}.input-wrapper{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);transition:var(--transition);box-shadow:0 4px 24px #0003}.input-wrapper:focus-within{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow), 0 4px 24px #0003}.input-toolbar{align-items:center;gap:4px;padding:8px 12px 0;display:flex}.input-tool-btn{color:var(--text-muted);font-size:12px;font-family:var(--font);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:4px;align-items:center;gap:5px;padding:4px 8px;display:flex}.input-tool-btn:hover{background:var(--bg-hover);color:var(--text-secondary)}#chat-input{width:100%;color:var(--text-primary);font-family:var(--font);resize:none;background:0 0;border:none;outline:none;min-height:52px;max-height:200px;padding:12px 16px;font-size:14.5px;line-height:1.6}#chat-input::placeholder{color:var(--text-muted)}.input-footer{justify-content:space-between;align-items:center;gap:8px;padding:8px 12px 10px;display:flex}.input-hint{color:var(--text-muted);flex:1;font-size:11px}.send-btn{background:var(--accent);border-radius:var(--radius-sm);color:#fff;cursor:pointer;width:34px;height:34px;transition:var(--transition);border:none;flex-shrink:0;justify-content:center;align-items:center;font-size:15px;display:flex}.send-btn:hover{background:var(--accent-light);transform:scale(1.05)}.send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.file-chips{flex-wrap:wrap;gap:8px;padding:0 0 10px;display:flex}.file-chip{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);align-items:center;gap:8px;max-width:240px;padding:6px 10px;font-size:12px;animation:.15s msgIn;display:flex}.file-chip-uploading{opacity:.7;border-style:dashed}.file-chip-error{background:#ef444414;border-color:#ef444466}.file-chip-preview{object-fit:cover;border-radius:4px;width:28px;height:28px}.file-chip-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-weight:500;overflow:hidden}.file-chip-size{color:var(--text-muted);flex-shrink:0;font-size:11px}.file-chip-spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;flex-shrink:0;width:14px;height:14px;animation:.6s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.file-chip-error-text{color:#fca5a5;cursor:help;font-size:14px}.file-chip-remove{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:4px;flex-shrink:0;align-items:center;padding:2px;display:flex}.file-chip-remove:hover{color:#fca5a5;background:#ef444426}.artifact-downloads{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.artifact-download-btn{border-radius:var(--radius-sm);color:var(--accent-light);cursor:pointer;transition:var(--transition);background:linear-gradient(135deg,#6366f11f,#8b5cf61f);border:1px solid #6366f14d;align-items:center;gap:8px;padding:10px 16px;font-size:13px;font-weight:500;text-decoration:none;display:inline-flex}.artifact-download-btn:hover{border-color:var(--accent);background:linear-gradient(135deg,#6366f133,#8b5cf633);transform:translateY(-1px);box-shadow:0 4px 12px #6366f133}.project-list-page{flex:1;width:100%;max-width:900px;margin:0 auto;padding:40px 48px;overflow-y:auto}.project-list-header{justify-content:space-between;align-items:flex-start;margin-bottom:32px;display:flex}.project-list-title{color:var(--text-primary);margin:0 0 6px;font-size:28px;font-weight:700}.project-list-subtitle{color:var(--text-muted);margin:0;font-size:14px}.btn-new-project{background:var(--accent);color:#fff;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);white-space:nowrap;border:none;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:500;display:inline-flex}.btn-new-project:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #6366f14d}.project-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;display:grid}.project-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);flex-direction:column;gap:8px;min-height:160px;padding:20px;display:flex}.project-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 4px 20px #6366f11f}.project-card.skeleton{background:linear-gradient(90deg, var(--bg-card) 25%, var(--bg-hover) 50%, 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