@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap";:root{--navy:#1c1a17;--navy-light:#2a2724;--navy-lighter:#34302c;--charcoal:#141210;--cream:#f0e8d4;--cream-dim:#f0e8d499;--cream-muted:#f0e8d459;--teal:#6a8fa7;--teal-dim:#6a8fa780;--error:#e85d5d;--success:#5dcc8a;--font-display:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"IBM Plex Mono", monospace;--bg-primary:#1c1a17;--bg-secondary:#141210;--bg-tertiary:#2a2724;--bg-hover:#f0e8d40a;--bg-active:#6a8fa71a;--text-primary:#f0e8d4;--text-secondary:#f0e8d499;--text-muted:#f0e8d459;--border-subtle:#f0e8d40f;--border-default:#f0e8d41a;--border-hover:#f0e8d433;--border-strong:#f0e8d440;--bubble-user-bg:#f0e8d408;--bubble-agent-bg:transparent;--bubble-border:#f0e8d40a;--input-bg:#2a2724;--input-border:#f0e8d414;--input-focus:#6a8fa780;--scrollbar-thumb:#f0e8d41a;--scrollbar-hover:#f0e8d433;--modal-bg:#1c1a17;--shadow-color:#0000004d;--overlay-bg:#0009;--text-xs:11px;--text-sm:12px;--text-base:14px;--text-md:15px;--text-lg:16px;--text-xl:20px;--text-2xl:24px;--text-3xl:32px;--text-4xl:44px;--leading-tight:1.2;--leading-snug:1.35;--leading-normal:1.5;--leading-relaxed:1.6;--weight-regular:400;--weight-medium:500;--weight-semibold:600;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--h-sidebar-item:40px;--h-btn:36px;--h-btn-lg:44px;--h-input:48px;--h-modal-action:40px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-pill:999px;--radius-circle:50%;--ease-out:cubic-bezier(.2, 0, 0, 1);--ease-in-out:cubic-bezier(.4, 0, .2, 1);--duration-fast:.12s;--duration-base:.18s;--duration-slow:.28s;--transition-colors:background-color var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);--transition-all:all var(--duration-base) var(--ease-out);--shadow-sm:0 1px 2px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 24px #0006;--bg-quaternary:#34302c;--focus-ring:#6a8fa759}[data-theme=light]{--bg-primary:#faf7f2;--bg-secondary:#ede7dd;--bg-tertiary:#fff;--bg-hover:#1b1f3b0a;--bg-active:#6a8fa71f;--text-primary:#1b1f3b;--text-secondary:#1b1f3b99;--text-muted:#1b1f3b59;--border-subtle:#1b1f3b0f;--border-default:#1b1f3b1a;--border-hover:#1b1f3b26;--border-strong:#1b1f3b40;--bubble-user-bg:#6a8fa71f;--bubble-agent-bg:#fff;--bubble-border:#1b1f3b14;--input-bg:#fff;--input-border:#1b1f3b1f;--input-focus:#6a8fa799;--scrollbar-thumb:#1b1f3b1f;--scrollbar-hover:#1b1f3b33;--modal-bg:#fff;--shadow-color:#0000001a;--overlay-bg:#0000004d}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:var(--bg-secondary);color:var(--text-primary);-webkit-font-smoothing:antialiased;height:100vh;overflow:hidden}#root{flex-direction:column;height:100vh;display:flex}.auth-page{background:var(--bg-secondary);justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative}.auth-page:before{content:"";background:radial-gradient(circle, var(--cream) 1px, transparent 1px);opacity:.02;pointer-events:none;background-size:24px 24px;position:absolute;inset:0}.auth-card{background:var(--bg-primary);border:1px solid var(--border-subtle);z-index:1;border-radius:2px;width:100%;max-width:420px;padding:48px 40px;position:relative}.auth-brand{text-align:center;margin-bottom:36px}.auth-brand .logo{font-family:var(--font-display);letter-spacing:4px;color:var(--text-primary);text-transform:uppercase;font-size:28px;font-weight:700}.auth-brand .tagline{font-family:var(--font-mono);letter-spacing:2px;color:var(--teal);text-transform:uppercase;margin-top:8px;font-size:11px}.auth-card h1{font-family:var(--font-body);text-align:center;color:var(--text-secondary);letter-spacing:.5px;margin-bottom:24px;font-size:18px;font-weight:500}.auth-card form{flex-direction:column;gap:14px;display:flex}.auth-card input{background:var(--bg-secondary);border:1px solid var(--border-default);font-family:var(--font-body);color:var(--text-primary);border-radius:2px;outline:none;padding:12px 16px;font-size:14px;transition:border-color .2s}.auth-card input::placeholder{color:var(--text-muted)}.auth-card input:focus{border-color:var(--teal)}.auth-card button[type=submit]{background:var(--teal);color:var(--charcoal);font-family:var(--font-body);letter-spacing:1px;text-transform:uppercase;cursor:pointer;border:none;border-radius:2px;margin-top:4px;padding:12px 16px;font-size:14px;font-weight:600;transition:background .2s,transform .1s}.auth-card button[type=submit]:hover{background:#7da4b8}.auth-card button[type=submit]:active{transform:scale(.98)}.divider{text-align:center;color:var(--text-muted);letter-spacing:2px;text-transform:uppercase;margin:20px 0;font-size:11px;position:relative}.divider:before,.divider:after{content:"";background:var(--border-default);width:38%;height:1px;position:absolute;top:50%}.divider:before{left:0}.divider:after{right:0}.google-btn{text-align:center;border:1px solid var(--border-default);font-family:var(--font-body);color:var(--text-secondary);border-radius:2px;padding:12px 16px;font-size:14px;text-decoration:none;transition:background .2s,border-color .2s;display:block}.google-btn:hover{background:var(--bg-hover);border-color:var(--border-hover)}.microsoft-btn{text-align:center;background:var(--bg-secondary,#1a1a1a);border:1px solid var(--border-default);font-family:var(--font-body);color:var(--text-primary);border-radius:2px;margin-top:12px;padding:12px 16px;font-size:14px;text-decoration:none;transition:background .2s,border-color .2s;display:block}.microsoft-btn:hover{background:var(--bg-hover);border-color:var(--border-hover)}.auth-divider{text-align:center;color:var(--text-secondary);margin:16px 0;font-size:13px}.auth-link{text-align:center;color:var(--text-muted);margin-top:20px;font-size:13px}.auth-link a{color:var(--teal);text-decoration:none;transition:color .15s}.auth-link a:hover{color:#7da4b8}.error{color:var(--error);text-align:center;font-size:13px;font-family:var(--font-mono);margin-bottom:12px}.app-layout{height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border-subtle);flex-direction:column;flex-shrink:0;width:264px;min-width:264px;height:100vh;display:flex}.sidebar-header{padding:var(--space-5) var(--space-4) var(--space-3);justify-content:space-between;align-items:center;display:flex}.sidebar-brand{font-family:var(--font-display);font-size:var(--text-lg);font-weight:var(--weight-semibold);letter-spacing:-.01em;color:var(--text-primary)}.sidebar-toggle{border-radius:var(--radius-md);width:32px;height:32px;color:var(--text-muted);cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.sidebar-toggle:hover{background:var(--bg-hover);color:var(--text-secondary)}.new-chat-btn{align-items:center;gap:var(--space-2);margin:var(--space-1) var(--space-3) var(--space-4);height:var(--h-btn-lg);padding:0 var(--space-4);background:var(--bg-tertiary);border:1px solid var(--border-default);border-radius:var(--radius-md);font-family:var(--font-body);font-size:var(--text-base);font-weight:var(--weight-medium);color:var(--text-primary);cursor:pointer;transition:var(--transition-colors);display:flex}.new-chat-btn:hover{background:var(--bg-quaternary);border-color:var(--border-hover)}.conversation-list{padding:0 var(--space-2);margin-bottom:var(--space-4);flex-direction:column;flex:1;gap:1px;display:flex;overflow-y:auto}.conversation-list::-webkit-scrollbar{width:6px}.conversation-list::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}.conversation-list::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-hover)}.conversation-item{align-items:center;gap:var(--space-3);min-height:var(--h-sidebar-item);padding:0 var(--space-3);cursor:pointer;font-size:var(--text-base);color:var(--text-secondary);border-radius:var(--radius-sm);transition:var(--transition-colors);border-left:2px solid #0000;display:flex;position:relative}.conversation-item:hover{background:var(--bg-hover);color:var(--text-primary)}.conversation-item.active{background:var(--bg-active);color:var(--text-primary);border-left-color:var(--teal)}.conversation-info{align-items:center;gap:var(--space-3);flex:1;min-width:0;display:flex}.conversation-title{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.conversation-time{font-size:var(--text-xs);color:var(--text-muted);flex-shrink:0}.conversation-delete{border-radius:var(--radius-sm);width:24px;height:24px;color:var(--text-muted);cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;display:none}.conversation-item:hover .conversation-delete{display:flex}.conversation-delete:hover{background:var(--bg-hover);color:var(--error)}.sidebar-section-label{align-items:center;gap:var(--space-2);padding:var(--space-4) var(--space-4) var(--space-2);font-family:var(--font-body);font-size:var(--text-xs);font-weight:var(--weight-medium);text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);display:flex}.sidebar-section-label svg{color:var(--text-muted);flex-shrink:0}.sidebar-section-add{border-radius:var(--radius-sm);border:1px solid var(--border-default);width:24px;height:24px;color:var(--text-muted);cursor:pointer;transition:var(--transition-colors);background:0 0;justify-content:center;align-items:center;margin-left:auto;display:inline-flex}.sidebar-section-add:hover{background:var(--bg-hover);border-color:var(--border-hover);color:var(--text-secondary)}.project-list{margin-bottom:var(--space-4);padding:0 var(--space-2);flex-direction:column;gap:1px;display:flex}.project-item{align-items:center;gap:var(--space-3);min-height:var(--h-sidebar-item);padding:0 var(--space-3);cursor:pointer;font-size:var(--text-base);color:var(--text-secondary);border-radius:var(--radius-sm);transition:var(--transition-colors);display:flex}.project-item:hover{background:var(--bg-hover);color:var(--text-primary)}.project-icon{color:var(--text-muted);flex-shrink:0}.project-name{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.modal-overlay{background:var(--overlay-bg);-webkit-backdrop-filter:blur(4px);z-index:1000;animation:modal-overlay-in var(--duration-slow) var(--ease-out);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}@keyframes modal-overlay-in{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--modal-bg);border:1px solid var(--border-default);border-radius:var(--radius-xl);width:100%;max-width:520px;max-height:85vh;padding:var(--space-8);box-shadow:var(--shadow-md);animation:modal-content-in var(--duration-slow) var(--ease-out);overflow-y:auto}@keyframes modal-content-in{0%{opacity:0;transform:scale(.96)translateY(8px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-header{margin-bottom:var(--space-6);justify-content:space-between;align-items:center;display:flex}.modal-header h2{font-family:var(--font-display);font-size:var(--text-xl);font-weight:var(--weight-semibold);color:var(--text-primary);margin:0}.modal-close{border-radius:var(--radius-md);width:32px;height:32px;color:var(--text-muted);cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-label{font-family:var(--font-body);font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-secondary);margin-bottom:var(--space-2);margin-top:var(--space-5);display:block}.modal-label.first{margin-top:0}.modal-input,.modal-textarea{background:var(--bg-tertiary);border:1px solid var(--input-border);border-radius:var(--radius-md);width:100%;padding:var(--space-3) var(--space-4);font-family:var(--font-body);font-size:var(--text-base);color:var(--text-primary);transition:var(--transition-colors), box-shadow var(--duration-base) var(--ease-out)}.modal-input:focus,.modal-textarea:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px #6a8fa726}.modal-input::placeholder,.modal-textarea::placeholder{color:var(--text-muted)}.modal-textarea{resize:vertical;min-height:120px;line-height:var(--leading-relaxed)}.modal-char-count{font-size:var(--text-xs);color:var(--text-muted);text-align:right;margin-top:var(--space-1);display:block}.modal-actions{justify-content:space-between;align-items:center;gap:var(--space-3);margin-top:var(--space-8);padding-top:var(--space-5);border-top:1px solid var(--border-subtle);display:flex}.modal-btn-cancel{height:var(--h-modal-action);padding:0 var(--space-5);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-secondary);font-family:var(--font-body);font-size:var(--text-base);cursor:pointer;transition:var(--transition-colors);background:0 0}.modal-btn-cancel:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-btn-create{height:var(--h-modal-action);padding:0 var(--space-5);background:var(--teal);border:1px solid var(--teal);border-radius:var(--radius-md);color:var(--bg-primary);font-family:var(--font-body);font-size:var(--text-base);font-weight:var(--weight-medium);cursor:pointer;transition:var(--transition-colors)}.modal-btn-create:hover:not(:disabled){background:#7ba3bb;border-color:#7ba3bb}.modal-btn-create:disabled{opacity:.4;cursor:not-allowed}.project-page{background:var(--bg-secondary);flex:1;height:100vh;display:flex;overflow:hidden}.project-back-btn{color:var(--teal);font-family:var(--font-body);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;margin-bottom:20px;padding:0;font-size:13px;transition:color .15s;display:flex}.project-back-btn:hover{color:#7da4b8}.project-main{flex:1;max-width:720px;margin:0 auto;padding:40px;overflow-y:auto}.project-header{margin-bottom:32px}.project-title-row{align-items:center;gap:12px;display:flex}.project-folder-icon{color:var(--teal)}.project-header h1{font-family:var(--font-body);color:var(--text-primary);font-size:24px;font-weight:500}.project-meta{font-family:var(--font-mono);color:var(--text-muted);letter-spacing:.5px;margin-top:8px;font-size:11px}.project-input-area{margin-bottom:32px}.project-input-area .input-area{padding:0}.project-conversations h3{font-family:var(--font-body);color:var(--text-secondary);margin-bottom:12px;font-size:14px;font-weight:500}.project-empty{color:var(--text-muted);font-size:13px}.project-convo-item{cursor:pointer;border-radius:2px;justify-content:space-between;align-items:center;padding:10px 12px;transition:background .15s;display:flex}.project-convo-item:hover{background:var(--bg-hover)}.project-convo-title{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.project-convo-time{font-family:var(--font-mono);color:var(--text-muted);flex-shrink:0;margin-left:12px;font-size:10px}.project-sidebar{border-left:1px solid var(--border-subtle);width:300px;min-width:300px;padding:40px 24px;overflow-y:auto}.project-panel{margin-bottom:24px}.project-panel-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.project-panel-header h4{font-family:var(--font-body);color:var(--text-primary);font-size:14px;font-weight:500}.project-panel-btn{border:1px solid var(--border-default);font-family:var(--font-body);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:2px;padding:4px 12px;font-size:12px;transition:border-color .15s}.project-panel-btn:hover{border-color:var(--border-strong)}.project-panel-text{color:var(--text-secondary);font-size:13px;line-height:1.5}.project-panel-text.coming-soon{font-family:var(--font-mono);color:var(--text-muted);font-size:12px;font-style:italic}.project-panel-textarea{background:var(--bg-secondary);border:1px solid var(--border-default);width:100%;font-family:var(--font-body);color:var(--text-primary);resize:vertical;border-radius:2px;outline:none;min-height:80px;margin-bottom:8px;padding:10px;font-size:13px}.project-panel-textarea:focus{border-color:var(--teal)}.project-panel-actions{justify-content:flex-end;gap:8px;display:flex}.project-loading{color:var(--text-muted);font-family:var(--font-mono);flex:1;justify-content:center;align-items:center;font-size:12px;display:flex}.breadcrumb-sep{color:var(--text-muted);font-size:var(--text-base)}.breadcrumb-btn{align-items:center;gap:var(--space-2);height:var(--h-btn);padding:0 var(--space-3);color:var(--text-secondary);font-family:var(--font-body);font-size:var(--text-base);cursor:pointer;border-radius:var(--radius-md);transition:var(--transition-colors);background:0 0;border:none;display:inline-flex}.breadcrumb-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.breadcrumb-name{font-size:var(--text-base);color:var(--text-secondary)}.user-profile{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-top:1px solid var(--border-subtle);display:flex;position:relative}.user-avatar{border-radius:var(--radius-circle);background:var(--bg-quaternary);width:32px;height:32px;color:var(--text-primary);font-size:var(--text-sm);font-weight:var(--weight-semibold);flex-shrink:0;justify-content:center;align-items:center;display:flex}.user-details{flex-direction:column;flex:1;min-width:0;display:flex}.user-name{font-size:var(--text-base);font-weight:var(--weight-medium);color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.user-email{font-size:var(--text-xs);color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.user-menu-btn{border-radius:var(--radius-sm);width:28px;height:28px;color:var(--text-muted);cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.user-menu-btn:hover{background:var(--bg-hover);color:var(--text-secondary)}.user-menu-popover{bottom:calc(100% + var(--space-2));right:var(--space-4);background:var(--bg-tertiary);border:1px solid var(--border-default);border-radius:var(--radius-md);min-width:160px;box-shadow:var(--shadow-lg);z-index:10;position:absolute;overflow:hidden}.user-menu-item{width:100%;padding:var(--space-2) var(--space-3);color:var(--text-secondary);font-family:var(--font-body);font-size:var(--text-base);text-align:left;cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;display:block}.user-menu-item:hover{background:var(--bg-hover);color:var(--text-primary)}.empty-state-landing{width:100%;max-width:720px;padding:22vh var(--space-4) var(--space-12);gap:var(--space-8);flex-direction:column;flex:1;margin:0 auto;display:flex}.empty-state-hero{font-family:var(--font-display);font-size:var(--text-4xl);font-weight:var(--weight-medium);line-height:var(--leading-tight);letter-spacing:-.02em;color:var(--text-primary);margin-bottom:var(--space-2)}.suggestion-chips{gap:var(--space-2);flex-wrap:wrap;justify-content:center;display:flex}.suggestion-chip{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--bg-tertiary);border-radius:var(--radius-pill);color:var(--text-secondary);font-family:var(--font-body);font-size:var(--text-base);cursor:pointer;transition:var(--transition-colors), transform var(--duration-fast) var(--ease-out);border:1px solid #0000;display:inline-flex}.suggestion-chip svg{color:var(--text-muted);transition:color var(--duration-base) var(--ease-out);flex-shrink:0}.suggestion-chip:hover:not(:disabled){background:var(--bg-quaternary);color:var(--text-primary);border-color:var(--border-default);transform:translateY(-1px)}.suggestion-chip:hover:not(:disabled) svg{color:var(--text-secondary)}.suggestion-chip.more,.suggestion-chip:disabled{opacity:.5;cursor:not-allowed}.chat-layout{background:var(--bg-secondary);flex-direction:column;flex:1;min-width:0;height:100vh;display:flex}.chat-header{height:56px;padding:0 var(--space-5);background:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.header-left{align-items:center;gap:var(--space-3);display:flex}.header-right{align-items:center;gap:var(--space-2);display:flex}.menu-btn{border-radius:var(--radius-md);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.menu-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.theme-toggle{border-radius:var(--radius-md);width:36px;height:36px;color:var(--text-muted);cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.theme-toggle:hover{background:var(--bg-hover);color:var(--text-secondary)}.connection-banner{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);color:var(--error);font-family:var(--font-body);font-size:var(--text-sm);animation:banner-slide-in var(--duration-base) var(--ease-out);background:#e85d5d1f;border-bottom:1px solid #e85d5d33;display:flex}@keyframes banner-slide-in{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}.message-list{padding:var(--space-6) var(--space-4);flex-direction:column;flex:1;display:flex;overflow-y:auto}.message-list-inner{gap:var(--space-6);flex-direction:column;width:100%;max-width:720px;margin:0 auto;display:flex}.message-list::-webkit-scrollbar{width:6px}.message-list::-webkit-scrollbar-track{background:0 0}.message-list::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}.message-list::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-hover)}.loading-text{text-align:center;color:var(--text-muted);font-family:var(--font-mono);font-size:var(--text-sm);letter-spacing:.08em;text-transform:uppercase;margin-top:var(--space-12)}.message-row{gap:var(--space-1);flex-direction:column;width:100%;display:flex}.message-row.user{align-items:flex-end}.message-row.agent{align-items:flex-start}.message-sender-label{align-items:center;gap:var(--space-2);font-family:var(--font-body);font-size:var(--text-xs);font-weight:var(--weight-medium);text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);display:flex}.message-sender-label .agent-color-dot{width:8px;height:8px}.message-bubble.user{max-width:80%;padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);background:#6a8fa714;border:1px solid #6a8fa726}.message-body{width:100%}.message-content{font-family:var(--font-body);font-size:var(--text-md);line-height:var(--leading-relaxed);color:var(--text-primary);white-space:pre-wrap;word-wrap:break-word}.message-content code{font-family:var(--font-mono);background:var(--bg-secondary);padding:1px var(--space-2);border-radius:var(--radius-sm);font-size:.9em}.message-content pre{font-family:var(--font-mono);font-size:var(--text-sm);background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);margin:var(--space-3) 0;overflow-x:auto}.message-time{font-family:var(--font-body);font-size:var(--text-xs);color:var(--text-muted)}.message-input-card{width:100%;max-width:720px;margin:0 auto var(--space-5);background:var(--bg-tertiary);border:1px solid var(--border-default);border-radius:var(--radius-lg);transition:border-color var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);flex-shrink:0;overflow:hidden}.message-input-card:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px #6a8fa726}.message-input-field{width:100%;min-height:72px;padding:var(--space-4) var(--space-5);resize:none;color:var(--text-primary);font-family:var(--font-body);font-size:var(--text-lg);line-height:var(--leading-relaxed);font-weight:var(--weight-regular);background:0 0;border:none;outline:none;display:block}.message-input-field::placeholder{color:var(--text-muted)}.message-input-field:disabled{opacity:.5}.message-input-toolbar{padding:var(--space-2) var(--space-3);border-top:1px solid var(--border-subtle);background:#00000014;justify-content:space-between;align-items:center;display:flex}.input-toolbar-left,.input-toolbar-right{gap:var(--space-1);display:flex}.input-icon-btn{border-radius:var(--radius-md);width:32px;height:32px;color:var(--text-muted);cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;justify-content:center;align-items:center;display:inline-flex}.input-icon-btn:hover:not(:disabled){background:var(--bg-hover);color:var(--text-secondary)}.input-icon-btn:disabled{opacity:.4;cursor:not-allowed}.send-btn{border-radius:var(--radius-circle);background:var(--bg-hover);width:32px;height:32px;color:var(--text-muted);cursor:pointer;transition:var(--transition-colors);border:none;justify-content:center;align-items:center;display:inline-flex}.send-btn.active{background:var(--teal);color:var(--bg-primary)}.send-btn:disabled{cursor:not-allowed}.typing-row{max-width:720px;padding:var(--space-3) var(--space-4);width:100%;margin:0 auto}.typing-indicator{align-items:center;gap:var(--space-2);display:flex}.typing-indicator .agent-color-dot{width:8px;height:8px}.typing-label{font-family:var(--font-body);font-size:var(--text-xs);font-weight:var(--weight-medium);text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.typing-dots{margin-left:var(--space-2);gap:3px;display:inline-flex}.typing-dot{border-radius:var(--radius-circle);background:var(--text-secondary);width:5px;height:5px;animation:1.2s ease-in-out infinite typing-wave}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes typing-wave{0%,60%,to{opacity:.2;transform:translateY(0)}30%{opacity:1;transform:translateY(-2px)}}.sidebar-backdrop{display:none}@media (width<=640px){.auth-card{margin:16px;padding:36px 24px}.sidebar-backdrop{background:var(--overlay-bg);z-index:99;display:block;position:fixed;inset:0}.sidebar{z-index:100;box-shadow:4px 0 24px var(--shadow-color);position:fixed;top:0;left:0}.chat-layout,.app-layout,#root{height:100dvh}.message-row{padding-left:16px;padding-right:16px}.input-area{padding:8px 12px 12px;padding-bottom:max(12px, env(safe-area-inset-bottom))}.input-container textarea{min-height:44px;padding:10px 48px 10px 14px;font-size:16px}.send-btn{width:32px;height:32px;bottom:8px;right:8px}.chat-header{padding:10px 12px}.chat-header .brand{letter-spacing:2px;font-size:14px}.input-hint{display:none}.message-list{padding:16px 0}.empty-state{padding:40px 16px}.empty-state h3{font-size:12px}.empty-state p{font-size:13px}.empty-state-hero{letter-spacing:1px;font-size:20px}.suggestion-chips{gap:8px}.suggestion-chip{padding:6px 12px;font-size:12px}.project-page{flex-direction:column}.project-main{padding:20px 16px}.project-sidebar{border-left:none;border-top:1px solid var(--border-subtle);width:100%;min-width:100%;padding:20px 16px}.modal-content{margin:16px;padding:24px}}.agent-list{margin-bottom:var(--space-4);padding:0 var(--space-2);flex-direction:column;gap:1px;display:flex}.agent-item{align-items:center;gap:var(--space-3);min-height:var(--h-sidebar-item);padding:0 var(--space-3);cursor:pointer;font-size:var(--text-base);color:var(--text-secondary);border-radius:var(--radius-sm);transition:var(--transition-colors);border-left:2px solid #0000;display:flex;position:relative}.agent-item:hover{background:var(--bg-hover);color:var(--text-primary)}.agent-item.active{background:var(--bg-active);color:var(--text-primary);border-left-color:var(--teal)}.agent-color-dot{border-radius:var(--radius-circle);flex-shrink:0;width:8px;height:8px;display:inline-block}.agent-color-dot.small{width:6px;height:6px}.agent-name{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.agent-default-badge{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);background:var(--bg-primary);padding:1px var(--space-2);border-radius:var(--radius-pill);font-size:9px}.agent-edit{border-radius:var(--radius-sm);width:24px;height:24px;color:var(--text-muted);cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;display:none}.agent-item:hover .agent-edit{display:flex}.agent-edit:hover{background:var(--bg-hover);color:var(--text-secondary)}.model-selector{position:relative}.model-selector-trigger{align-items:center;gap:var(--space-2);height:var(--h-btn);padding:0 var(--space-3);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-body);font-size:var(--text-base);font-weight:var(--weight-medium);cursor:pointer;transition:var(--transition-colors);background:0 0;border:1px solid #0000;display:inline-flex}.model-selector-trigger:hover{background:var(--bg-hover);border-color:var(--border-default)}.model-selector-trigger[aria-expanded=true]{background:var(--bg-tertiary);border-color:var(--border-default)}.model-selector-name{color:var(--text-primary)}.model-selector-chevron{color:var(--text-muted);transition:transform var(--duration-fast) var(--ease-out)}.model-selector-chevron.open{transform:rotate(180deg)}.model-selector-popover{top:calc(100% + var(--space-2));min-width:260px;padding:var(--space-1);background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:100;animation:popover-in var(--duration-base) var(--ease-out);position:absolute;left:0;overflow:hidden}@keyframes popover-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.model-selector-item{align-items:center;gap:var(--space-3);width:100%;padding:var(--space-3) var(--space-4);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-body);text-align:left;cursor:pointer;transition:var(--transition-colors);background:0 0;border:none;display:flex}.model-selector-item:hover{background:var(--bg-hover);color:var(--text-primary)}.model-selector-item.active{color:var(--text-primary)}.model-selector-item+.model-selector-item{border-top:1px solid var(--border-subtle)}.model-selector-item-info{flex-direction:column;flex:1;gap:2px;display:flex}.model-selector-item-header{align-items:center;gap:var(--space-2);display:flex}.model-selector-item-name{font-size:var(--text-base);font-weight:var(--weight-medium)}.model-selector-item-desc{font-size:var(--text-xs);color:var(--text-muted)}.model-selector-check{color:var(--teal);flex-shrink:0}.model-badge{text-transform:uppercase;letter-spacing:.5px;border-radius:var(--radius-sm);background:var(--bg-quaternary);color:var(--text-secondary);padding:1px 5px;font-size:9px;font-weight:600}.modal-btn-delete{height:var(--h-modal-action);padding:0 var(--space-3);color:var(--error);font-family:var(--font-body);font-size:var(--text-sm);cursor:pointer;border-radius:var(--radius-md);transition:var(--transition-colors);background:0 0;border:none;margin-right:auto}.modal-btn-delete:hover:not(:disabled){background:#e85d5d1a}.modal-btn-delete:disabled{opacity:.4;cursor:not-allowed}.delete-confirm{align-items:center;gap:var(--space-2);font-family:var(--font-body);font-size:var(--text-sm);color:var(--text-secondary);margin-right:auto;display:flex}.modal-btn-delete-confirm{height:var(--h-modal-action);padding:0 var(--space-4);background:var(--error);border-radius:var(--radius-md);color:#fff;font-family:var(--font-body);font-size:var(--text-sm);font-weight:var(--weight-medium);cursor:pointer;transition:var(--transition-colors);border:none}.modal-btn-delete-confirm:hover{background:#d04c4c}.streaming-cursor{background:var(--text-secondary,#888);vertical-align:text-bottom;width:2px;height:1em;margin-left:2px;animation:.8s step-end infinite cursor-blink;display:inline-block}@keyframes cursor-blink{0%,50%{opacity:1}51%,to{opacity:0}}.agent-max-badge{text-transform:uppercase;letter-spacing:.5px;background:var(--bg-tertiary,#2a2e4a);color:var(--text-secondary,#888);border-radius:4px;flex-shrink:0;margin-left:6px;padding:1px 5px;font-size:.65rem;font-weight:600}:focus{outline:none}:focus-visible{box-shadow:0 0 0 3px var(--focus-ring);border-radius:var(--radius-sm);transition:box-shadow var(--duration-fast) var(--ease-out);outline:none}.modal-input:focus-visible,.modal-textarea:focus-visible,.message-input-card:focus-within :focus-visible{box-shadow:none}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:0s!important;animation-duration:0s!important;animation-iteration-count:1!important}}