@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";.route-transition{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#fff;z-index:9999}.route-spinner{width:40px;height:40px;border:3px solid #FFF1E6;border-top-color:#e86f24;border-radius:50%;animation:routeSpin .6s linear infinite}@keyframes routeSpin{to{transform:rotate(360deg)}}@font-face{font-family:Inter Fallback;src:local("Segoe UI"),local("PingFang SC"),local("Microsoft YaHei"),local("sans-serif");font-display:swap}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,HarmonyOS Sans SC,MiSans,Microsoft YaHei,system-ui,sans-serif;font-size:15px;line-height:1.65;letter-spacing:.01em;color:#1a1a1a;background:#fdf9f4;background-image:radial-gradient(ellipse at 50% 0%,rgba(232,111,36,.04) 0%,transparent 60%),linear-gradient(180deg,#fffdf8,#fdf9f4,#faf6f0);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"cv02","cv03","cv04","cv11"}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}a{color:var(--orange);text-decoration:none;transition:color .2s ease}a:hover{text-decoration:underline}img{max-width:100%;display:block}.hidden{display:none!important}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d1d6;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#b1b1b6}:root{--orange: #E86F24;--orange-hover: #D45F1A;--orange-soft: #FFF1E6;--orange-softer: #FFF8F1;--orange-tint: #FDF5EF;--bg-page: #FDFCFB;--bg-sidebar: #F8F7F5;--bg-card: #FFFFFF;--bg-hover: #F5F4F2;--bg-active: #EDEBE8;--bg-user-msg: #FFF8F1;--text-main: #1A1A1A;--text-secondary: #4B5563;--text-muted: #767D8C;--border-light: #ECECEC;--border-default: #E0E1E4;--border-strong: #CFCFD4;--accent-gray: #6B7280;--accent-gray-soft: #E8E9EC;--accent-gray-hover: #DEDFE3;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-xs: 0 8px 28px rgba(17, 24, 39, .06);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);--shadow-md: 0 6px 24px rgba(0, 0, 0, .1);--shadow-input: 0 2px 16px rgba(0, 0, 0, .06);--shadow-focus: 0 0 0 3px rgba(232, 111, 36, .12);--max-width: 768px;--sidebar-width: 272px;--transition: .2s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--orange: #F27C30;--orange-hover: #FF8A3D;--orange-soft: #3D2A18;--orange-softer: #2D2018;--orange-tint: #251A12;--bg-page: #151517;--bg-sidebar: #1A1A1D;--bg-card: #1E1E22;--bg-hover: #26262B;--bg-active: #33333A;--bg-user-msg: #2D2418;--text-main: #E8E8EA;--text-secondary: #9CA3AF;--text-muted: #6B7280;--border-light: #2A2A2E;--border-default: #34343A;--border-strong: #44444C;--accent-gray: #9CA3AF;--accent-gray-soft: #2A2A2E;--accent-gray-hover: #33333A;--shadow-xs: 0 8px 28px rgba(0, 0, 0, .28);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);--shadow-md: 0 6px 24px rgba(0, 0, 0, .38);--shadow-input: 0 2px 16px rgba(0, 0, 0, .25);--shadow-focus: 0 0 0 3px rgba(242, 124, 48, .15)}[data-theme=dark] body{color:var(--text-main);background:#0e1116;background-image:radial-gradient(ellipse at 50% 0%,rgba(242,124,48,.05) 0%,transparent 55%),linear-gradient(180deg,#131822,#0e1116,#0c0d10)}[data-theme=dark] a{color:var(--orange)}[data-theme=dark] ::-webkit-scrollbar-thumb{background:#3a3a3e}[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:#4a4a4e}[data-theme=dark] .topbar{background:#151517e0}[data-theme=dark] .welcome-page h1{background:linear-gradient(135deg,#f2f2f2,#d4b896);-webkit-background-clip:text;background-clip:text}[data-theme=dark] .welcome-illustration{background:radial-gradient(ellipse 80% 90% at 50% 50%,rgba(36,48,72,.55) 0%,transparent 100%)}[data-theme=dark] .welcome-illustration:before{background:radial-gradient(ellipse at 50% 40%,rgba(242,124,48,.08) 0%,transparent 70%)}[data-theme=dark] .welcome-illustration:after{background:linear-gradient(to bottom,#131822 0%,rgba(19,24,34,.5) 40%,transparent 100%)}[data-theme=dark] .welcome-illustration img{mask-image:radial-gradient(ellipse 95% 100% at 50% 55%,black 55%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 95% 100% at 50% 55%,black 55%,transparent 100%)}[data-theme=dark] .sb-item-actions button:hover{background:#ffffff14}[data-theme=dark] .attach-chip button:hover{background:#ffffff1a}[data-theme=dark] .msg-avatar-img{background:var(--bg-card)}[data-theme=dark] .msg-content code{color:#f0883e;background:#ffffff0f}[data-theme=dark] .composer-area{background:linear-gradient(to top,var(--bg-page) 60%,transparent)}[data-theme=dark] .model-select{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='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E")}[data-theme=dark] .form-label input,[data-theme=dark] .form-textarea,[data-theme=dark] .form-input{background:var(--bg-hover);color:var(--text-main)}[data-theme=dark] .feedback-types button,[data-theme=dark] .modal-actions-row button,[data-theme=dark] .modal-actions-row a{background:var(--bg-hover)}[data-theme=dark] .welcome-sugg-card:nth-child(2) .welcome-sugg-icon{background:#ef444426}[data-theme=dark] .welcome-sugg-card:nth-child(3) .welcome-sugg-icon{background:#16a34a26}[data-theme=dark] .welcome-sugg-card:nth-child(4) .welcome-sugg-icon{background:#f59e0b26}[data-theme=dark] .sb-user-avatar,[data-theme=dark] .avatar-picker button span{box-shadow:inset 0 0 0 1px #ffffff0f}body,.topbar,.sidebar,.main,.composer,.sb-new-chat,.sb-search,.welcome-sugg-card,.msg-avatar-img,.mode-group button.active{transition:background-color .3s ease,border-color .3s ease,color .3s ease}.app-shell{display:flex;height:100vh;overflow:hidden;animation:appShellEnter .4s cubic-bezier(.25,.1,.25,1) both}@keyframes appShellEnter{0%{opacity:0}to{opacity:1}}.app-shell.sidebar-hidden .sidebar{margin-left:calc(-1 * var(--sidebar-width))}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--bg-sidebar);border-right:1px solid var(--border-light);box-shadow:2px 0 20px #0000000a;display:flex;flex-direction:column;transition:margin .3s cubic-bezier(.4,0,.2,1);overflow:hidden;contain:layout style}.sb-top{display:flex;align-items:center;gap:12px;padding:12px 14px;min-height:56px}.sb-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);color:var(--text-secondary);transition:background var(--transition);flex-shrink:0}.sb-toggle:hover{background:var(--bg-hover)}.sb-brand{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.sb-brand-logo{width:40px;height:40px;padding:2px;object-fit:contain;flex-shrink:0;display:block}.sb-brand-text{display:flex;flex-direction:column;justify-content:center;line-height:1.3;overflow:hidden}.sb-brand-text strong{font-size:15px;font-weight:600}.sb-brand-text small{font-size:12px;color:var(--text-muted);letter-spacing:.5px}.sb-new-chat{display:flex;align-items:center;gap:8px;margin:8px 14px;padding:0 16px;height:44px;border-radius:var(--radius-md);border:1px solid var(--border-default);font-size:14px;font-weight:500;color:var(--text-main);background:var(--bg-card);transition:all var(--transition)}.sb-new-chat:hover{border-color:var(--border-strong);background:var(--bg-hover)}.sb-new-chat svg{color:var(--orange);flex-shrink:0}.sb-analysis-entry{min-height:42px;display:grid;grid-template-columns:20px minmax(0,1fr) auto;align-items:center;gap:8px;margin:0 14px 8px;padding:0 13px;border:1px solid transparent;border-radius:var(--radius-md);background:transparent;color:var(--text-secondary);text-align:left;transition:background var(--transition),border-color var(--transition),color var(--transition)}.sb-analysis-entry:hover{border-color:var(--border-light);background:var(--bg-hover);color:var(--text-main)}.sb-analysis-entry svg{color:var(--orange)}.sb-analysis-entry small{color:var(--orange);font-size:10px;font-weight:700}.sb-search{display:flex;align-items:center;gap:8px;margin:0 14px 8px;padding:0 12px;height:40px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-light);transition:border-color var(--transition),box-shadow var(--transition)}.sb-search:focus-within{border-color:var(--orange);box-shadow:var(--shadow-focus)}.sb-search svg{color:var(--text-muted);flex-shrink:0}.sb-search input{border:none;outline:none;background:none;font-size:14px;width:100%;min-width:0}.sb-search input::placeholder{color:var(--text-muted)}.sb-list{flex:1;overflow-y:auto;padding:4px 8px 8px}.sb-group-label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:12px 10px 4px}.sb-item{display:flex;align-items:center;gap:8px;padding:0 10px;height:40px;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition),color var(--transition);position:relative}.sb-item:hover{background:var(--bg-hover);color:var(--text-main)}.sb-item.active{background:var(--orange-soft);color:var(--text-main);font-weight:500}.sb-item.active svg{color:var(--orange)}.sb-item-icon{color:var(--text-muted);flex-shrink:0}.sb-item.active .sb-item-icon{color:var(--orange)}.sb-item-title{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.sb-item-actions{display:none;gap:2px;flex-shrink:0}.sb-item:hover .sb-item-actions,.sb-item.active .sb-item-actions,.sb-item:focus-within .sb-item-actions{display:flex}.sb-item-actions button{display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:6px;color:var(--text-muted);transition:all var(--transition)}.sb-item-actions button:hover{background:#0000000f;color:var(--text-main)}@media(hover:none),(pointer:coarse){.sb-item-actions{display:flex}}.sb-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:40px 20px;color:var(--text-muted);font-size:14px}.sb-bottom{border-top:1px solid var(--border-light);padding:8px}.sb-feedback-btn{display:flex;align-items:center;gap:6px;padding:6px 10px;font-size:13px;color:var(--text-muted);border-radius:var(--radius-sm);transition:all var(--transition);margin-bottom:4px}.sb-feedback-btn:hover{background:var(--bg-hover);color:var(--text-secondary)}.sb-user{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition)}.sb-user:hover{background:var(--bg-hover)}.sb-user-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;background:var(--bg-hover);box-shadow:inset 0 0 0 1px #0000000a}.sb-user-avatar svg{width:100%;height:100%;display:block}.sb-user-info{display:flex;flex-direction:column;line-height:1.3;overflow:hidden;flex:1}.sb-user-info strong{font-size:14px;font-weight:500}.sb-user-info small{font-size:12px;color:var(--text-secondary)}.main{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-page);min-width:0}.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:0 20px;height:56px;border-bottom:1px solid var(--border-light);background:#fdfcfbe0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);flex-shrink:0;z-index:10}.topbar-left{display:flex;align-items:center;gap:8px;justify-self:start}.topbar-toggle{display:none;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);color:var(--text-secondary)}.sidebar-hidden .topbar-toggle{display:flex}.topbar-toggle:hover{background:var(--bg-hover);color:var(--orange)}.topbar-title{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.model-select{padding:5px 28px 5px 12px;font-size:13px;font-weight:500;border:1px solid var(--border-default);border-radius:var(--radius-sm);background:#fff;cursor:pointer;outline:none;-webkit-appearance:none;-moz-appearance:none;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='%238A94A6' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;transition:border-color var(--transition),box-shadow var(--transition);color:var(--text-secondary)}.model-select{display:none}.topbar-modes{display:inline-flex;gap:4px;background:var(--bg-hover);border:1px solid var(--border-light);border-radius:100px;padding:4px;justify-self:center;position:relative}.topbar-modes button{padding:6px 14px;font-size:13px;font-weight:500;color:var(--text-secondary);border-radius:100px;transition:color var(--transition),background var(--transition),box-shadow var(--transition),transform var(--transition);white-space:nowrap;position:relative;z-index:1}.topbar-modes button.active{background:var(--orange-soft);color:var(--orange);box-shadow:var(--shadow-sm);font-weight:600}.topbar-modes button:not(.active):hover{color:var(--text-main);background:var(--bg-active)}.topbar-mode-label{justify-self:center;padding:6px 14px;font-size:13px;font-weight:500;color:var(--text-secondary);background:var(--bg-hover);border-radius:100px}.topbar-actions{display:flex;gap:4px;justify-self:end}.topbar-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);color:var(--text-secondary);transition:background var(--transition),color var(--transition)}.topbar-icon:hover{background:var(--bg-hover);color:var(--text-main)}.topbar-icon svg{transition:transform .3s cubic-bezier(.4,0,.2,1)}.topbar-icon:active svg{transform:rotate(180deg) scale(.9)}.content{flex:1;overflow-y:auto;scroll-behavior:smooth;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.content.is-welcome{display:flex;align-items:center;justify-content:center}.welcome-page{width:100%;max-width:760px;text-align:center;padding:40px 24px 32px;overflow-y:auto;animation:welcomeEnter .6s cubic-bezier(.4,0,.2,1) both}@keyframes welcomeEnter{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.welcome-page h1{font-size:38px;font-weight:800;margin-bottom:12px;line-height:1.15;letter-spacing:-.02em;background:linear-gradient(135deg,#2d2418,#5a3e24);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-subtitle{font-size:15px;font-weight:600;color:var(--text-muted);margin-bottom:10px;line-height:1.5;letter-spacing:.03em}.welcome-mission{font-size:14px;color:var(--text-secondary);margin-bottom:32px;line-height:1.6}.welcome-illustration{max-width:720px;margin:0 auto 40px;padding:16px;border-radius:var(--radius-xl);background:radial-gradient(ellipse 80% 90% at 50% 50%,var(--orange-tint) 0%,transparent 100%);box-shadow:var(--shadow-xs);transition:transform var(--transition),box-shadow var(--transition);position:relative}.welcome-illustration:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:var(--radius-xl);background:radial-gradient(ellipse at 50% 40%,rgba(232,111,36,.06) 0%,transparent 70%);pointer-events:none;z-index:0}.welcome-illustration:after{content:"";position:absolute;top:16px;left:16px;right:16px;height:48px;background:linear-gradient(to bottom,#FFFDF8 0%,rgba(255,253,248,.5) 40%,transparent 100%);border-radius:var(--radius-lg) var(--radius-lg) 0 0;pointer-events:none;z-index:2}.welcome-illustration img{width:100%;height:auto;border-radius:var(--radius-lg);display:block;position:relative;z-index:1;mask-image:radial-gradient(ellipse 95% 100% at 50% 55%,black 55%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 95% 100% at 50% 55%,black 55%,transparent 100%)}.sb-features{border-top:1px solid var(--border-light);padding:10px 8px;flex-shrink:0}.sb-features-label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:4px 10px 8px}.sb-feature-btn{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);color:var(--text-main);background:transparent;border:none;font-size:14px;font-weight:500;text-align:left}.sb-feature-btn:hover{background:var(--bg-hover)}.sb-feature-icon{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--orange-soft);color:var(--orange)}.sb-feature-btn:nth-of-type(1) .sb-feature-icon{background:#6366f11a;color:#6366f1}.sb-feature-btn:nth-of-type(2) .sb-feature-icon{background:#10b9811a;color:#10b981}.sb-feature-btn:nth-of-type(3) .sb-feature-icon{background:#f59e0b1a;color:#f59e0b}.sb-feature-label{font-size:14px;font-weight:500;color:var(--text-main)}[data-theme=dark] .sb-feature-btn:hover{background:var(--bg-hover)}[data-theme=dark] .sb-feature-btn:nth-of-type(1) .sb-feature-icon{background:#6366f126}[data-theme=dark] .sb-feature-btn:nth-of-type(2) .sb-feature-icon{background:#10b98126}[data-theme=dark] .sb-feature-btn:nth-of-type(3) .sb-feature-icon{background:#f59e0b26}.welcome-suggestions{display:none}.welcome-sugg-card{padding:16px;border-radius:var(--radius-md);border:1px solid var(--border-light);background:var(--bg-card);cursor:pointer;transition:all var(--transition);display:flex;flex-direction:column;gap:8px}.welcome-sugg-card:hover{border-color:var(--border-strong);background:var(--bg-hover);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.welcome-sugg-icon{width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0}.welcome-sugg-card:nth-child(1) .welcome-sugg-icon{background:var(--orange-soft);color:var(--orange)}.welcome-sugg-card:nth-child(2) .welcome-sugg-icon{background:#fef3f2;color:#ef4444}.welcome-sugg-card:nth-child(3) .welcome-sugg-icon{background:#f0fdf4;color:#16a34a}.welcome-sugg-card:nth-child(4) .welcome-sugg-icon{background:#fffbea;color:#f59e0b}.welcome-sugg-card strong{font-size:14px;font-weight:600}.welcome-sugg-card p{font-size:13px;color:var(--text-secondary);line-height:1.4}.msg-list{max-width:var(--max-width);margin:0 auto;padding:24px 24px 16px;display:flex;flex-direction:column;gap:32px}.msg{display:flex;gap:16px;max-width:100%;animation:msgEnter .35s cubic-bezier(.4,0,.2,1) both;content-visibility:auto;contain-intrinsic-size:auto 120px}.msg.user{flex-direction:row-reverse}@keyframes msgEnter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.msg-avatar{flex-shrink:0}.msg-avatar-user .msg-avatar-wrap{width:40px;height:40px;margin-top:3px;border-radius:50%;overflow:hidden;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 6px #00000014;background:var(--bg-hover);border:2px solid var(--border-light)}.msg-avatar-user .msg-avatar-wrap svg,.msg-avatar-user .msg-avatar-wrap img{width:100%;height:100%;display:block;object-fit:cover}.msg-avatar-wrap{position:relative;width:40px;height:40px;margin-top:3px}.msg-avatar-img{width:40px;height:40px;border-radius:50%;object-fit:cover;display:block;box-shadow:0 1px 6px #00000014;background:var(--bg-card);border:2px solid var(--border-light)}.msg-avatar-wrap.error .msg-avatar-img{filter:grayscale(100%);opacity:.7}.msg-avatar-wrap.thinking .msg-avatar-img{animation:avatarBounce 1.2s ease-in-out infinite}.msg-avatar-wrap.thinking:after{content:"";position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;border-radius:50%;border:2px solid var(--orange);opacity:0;animation:avatarPulse 1.5s ease-out infinite}@keyframes avatarBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}@keyframes avatarPulse{0%{transform:scale(1);opacity:.6}to{transform:scale(1.3);opacity:0}}.msg-body{flex:1;min-width:0;padding-top:3px}.msg.user .msg-body{max-width:85%}.msg.user .msg-body .msg-content{background:var(--bg-user-msg);padding:12px 16px;border-radius:var(--radius-xl);display:inline-block}.msg-attachments{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.msg-attachments span{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-size:12px;color:var(--text-secondary);background:var(--bg-hover);border-radius:6px}.msg-thinking{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-secondary);padding:8px 0}.msg-thinking-row{display:flex;align-items:center;gap:10px}.dots{display:inline-flex;gap:5px;flex-shrink:0}.dots i{width:8px;height:8px;border-radius:50%;background:var(--orange);animation:dotBounce 1.4s ease-in-out infinite}.dots i:nth-child(2){animation-delay:.2s}.dots i:nth-child(3){animation-delay:.4s}@keyframes dotBounce{0%,60%,to{transform:translateY(0);opacity:.35}30%{transform:translateY(-6px);opacity:1}}.thinking-text{font-size:14px;color:var(--text-secondary);transition:opacity .4s ease}.thinking-text.changing{opacity:.3}.thinking-progress{width:100%;max-width:280px;height:3px;background:var(--border-light);border-radius:100px;overflow:hidden;position:relative}.thinking-progress:after{content:"";position:absolute;top:0;left:-40%;width:40%;height:100%;background:linear-gradient(90deg,transparent 0%,var(--orange) 50%,transparent 100%);border-radius:100px;animation:progressSlide 1.6s ease-in-out infinite}@keyframes progressSlide{0%{left:-40%}to{left:100%}}.thinking-trace{display:flex;flex-wrap:wrap;gap:6px;padding:4px 0}.trace-chip{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--text-muted);padding:3px 8px;border-radius:100px;background:var(--bg-hover);transition:all .3s ease;white-space:nowrap}.trace-chip.done{color:var(--orange);background:var(--orange-soft)}.trace-chip.active{color:var(--orange);background:var(--orange-soft);font-weight:500}.trace-chip.active .trace-dot{width:6px;height:6px;border-radius:50%;background:var(--orange);animation:tracePulse 1s ease-in-out infinite}@keyframes tracePulse{0%,to{transform:scale(1);opacity:.5}50%{transform:scale(1.4);opacity:1}}.slow-note{font-size:12px;color:var(--text-muted);width:100%;display:flex;align-items:center;gap:6px;animation:slowPulse 2s ease-in-out infinite}.slow-note svg{flex-shrink:0;animation:slowSpin 2s linear infinite}@keyframes slowPulse{0%,to{opacity:.6}50%{opacity:1}}@keyframes slowSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.slow-note.very-slow{font-size:13px;color:var(--orange);font-weight:500}.msg-artifacts{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.msg-artifacts a{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-size:12px;color:var(--orange);border:1px solid var(--border-default);border-radius:6px;transition:all var(--transition)}.msg-artifacts a:hover{background:var(--orange-softer)}.msg-sources{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;align-items:center}.src-tag{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;font-size:12px;color:var(--text-secondary);background:var(--bg-hover);border-radius:12px;transition:all var(--transition)}.src-tag:hover{background:var(--bg-active);color:var(--text-main)}.msg-sources small{font-size:12px;color:var(--text-muted)}.msg-actions{display:flex;gap:4px;margin-top:12px;opacity:0;transition:opacity var(--transition)}.msg:hover .msg-actions,.msg:last-child .msg-actions{opacity:1}.msg-actions button{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;font-size:12px;color:var(--text-muted);border-radius:6px;transition:all var(--transition)}.msg-actions button:hover:not(:disabled){background:var(--bg-hover);color:var(--text-main)}.msg-actions button:disabled{opacity:.4;cursor:not-allowed}.msg-content p{margin-bottom:16px}.msg-content p:last-child{margin-bottom:0}.msg-content h2{font-size:18px;font-weight:600;margin:24px 0 12px;padding-left:12px;border-left:3px solid var(--orange);line-height:1.4}.msg-content h3{font-size:16px;font-weight:600;margin:16px 0 8px}.msg-content h4{font-size:15px;font-weight:600;margin:14px 0 6px}.msg-content h5{font-size:14px;font-weight:600;margin:12px 0 4px}.msg-content ul,.msg-content ol{margin:0 0 16px;padding-left:1.5em}.msg-content li{margin-bottom:4px}.msg-content code{font-family:SF Mono,JetBrains Mono,Fira Code,Consolas,monospace;font-size:.875em;padding:2px 6px;background:var(--bg-hover);border-radius:4px;color:#c7254e}.msg-content pre.answer-code{background:#0f172a;color:#e2e8f0;padding:16px;border-radius:var(--radius-md);overflow-x:auto;margin:0 0 16px;font-size:13px;line-height:1.6}.msg-content pre.answer-code code{background:none;padding:0;color:inherit;font-size:13px}.msg-content pre.answer-code code span{display:inline-block;margin-bottom:10px;padding:2px 8px;color:#94a3b8;font-size:11px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;background:#94a3b81f;border-radius:4px}.msg-content .answer-table-wrap{overflow-x:auto;margin:0 0 16px}.msg-content .answer-table-wrap table{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}.msg-content .answer-table-wrap th,.msg-content .answer-table-wrap td{padding:8px 12px;border:1px solid var(--border-default);text-align:left}.msg-content .answer-table-wrap th{background:var(--bg-hover);font-weight:600}.msg-content .answer-table-wrap tbody tr{transition:background .15s ease}.msg-content .answer-table-wrap tbody tr:hover{background:var(--bg-hover)}.msg-content .answer-table-wrap th:first-child{border-top-left-radius:6px}.msg-content .answer-table-wrap th:last-child{border-top-right-radius:6px}.msg-content .answer-label{color:var(--orange);font-weight:600}.msg-content strong{font-weight:600}.msg-content .md-img{max-width:100%;border-radius:var(--radius-sm);margin:8px 0;box-shadow:var(--shadow-sm)}.msg-content a{color:var(--orange);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s ease}.msg-content a:hover{border-bottom-color:var(--orange)}.msg-content blockquote{border-left:3px solid var(--orange);padding:8px 16px;margin:0 0 16px;color:var(--text-secondary);background:var(--orange-tint);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.msg-content .streaming-plain{font-size:15px;line-height:1.8;letter-spacing:.01em;animation:streamingFadeIn .3s ease both}@keyframes streamingFadeIn{0%{opacity:.6}to{opacity:1}}.msg-content .typing-caret{display:inline-block;width:3px;height:18px;background:var(--orange);margin-left:3px;animation:caretBlink .7s step-end infinite;border-radius:2px;vertical-align:text-bottom;box-shadow:0 0 6px #e86f2466}@keyframes caretBlink{0%,50%{opacity:1}51%,to{opacity:0}}.src-panel{max-width:var(--max-width);margin:0 auto 20px;padding:0 24px}.src-panel-head{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.src-panel-list{display:flex;flex-direction:column;gap:6px}.src-item{border:1px solid var(--border-light);border-radius:var(--radius-sm);overflow:hidden}.src-item summary{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;cursor:pointer;font-size:13px;list-style:none}.src-item summary::-webkit-details-marker{display:none}.src-item summary:before{content:"▶";font-size:10px;color:var(--text-muted);transition:transform var(--transition)}.src-item[open] summary:before{transform:rotate(90deg)}.src-item summary strong{flex:1;font-weight:500}.src-item summary em{font-size:11px;color:var(--text-muted);font-style:normal;padding:2px 8px;background:var(--bg-hover);border-radius:10px}.src-item p{padding:0 14px 10px 28px;font-size:12px;color:var(--text-secondary);line-height:1.5}.src-item button{margin:0 14px 10px 28px;font-size:12px;color:var(--text-secondary);padding:2px 0}.src-item button:hover{text-decoration:underline}.composer-area{flex-shrink:0;max-width:var(--max-width);width:100%;margin:0 auto;padding:0 24px 20px;background:linear-gradient(to top,var(--bg-page) 60%,transparent);position:sticky;bottom:0;z-index:5}.attach-tray{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.attach-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 8px 4px 10px;font-size:12px;color:var(--text-secondary);background:var(--bg-hover);border-radius:6px}.attach-chip button{display:flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;color:var(--text-muted);transition:all var(--transition)}.attach-chip button:hover{background:#0000001a;color:var(--text-main)}.chat-file-input{display:none}.attach-chip{width:min(100%,560px);gap:10px;padding:9px 10px 9px 12px;background:var(--bg-card);border:1px solid var(--border-light);color:var(--text-main)}.attach-chip.status-ready{border-color:#22a06b59}.attach-chip.status-failed{border-color:#d2424259}.attach-chip-copy{min-width:0;flex:1;display:flex;flex-direction:column;gap:2px}.attach-chip-copy strong{overflow-wrap:anywhere;font-size:13px;font-weight:600;color:var(--text-main)}.attach-chip-copy small{display:flex;flex-wrap:wrap;gap:5px;color:var(--text-muted);line-height:1.4}.attach-chip button{width:36px;height:36px;flex:0 0 36px}.attach-ready{color:#168a5b;flex:0 0 auto}.attach-loader{color:var(--orange);animation:chat-file-spin .9s linear infinite}.file-context-notice{margin:-2px 0 8px;color:var(--text-secondary);font-size:12px;line-height:1.5}.composer.is-file-dragging{border-color:var(--orange);background:var(--orange-soft);box-shadow:var(--shadow-focus)}.src-item em.level-file{color:#168a5b;background:#22a06b1a}@keyframes chat-file-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.attach-loader{animation:none}}.mode-row{display:flex;gap:8px;margin-bottom:8px;flex-wrap:wrap}.mode-group{display:flex;gap:2px;background:var(--bg-hover);border:1px solid var(--border-light);border-radius:100px;padding:3px}.mode-group button{padding:5px 12px;font-size:13px;font-weight:500;color:var(--text-secondary);border-radius:100px;transition:all var(--transition);white-space:nowrap}.mode-group button.active{background:var(--orange-soft);color:var(--orange);font-weight:600}.mode-group button:not(.active):hover{color:var(--text-main)}.composer{display:flex;align-items:flex-end;gap:8px;background:var(--bg-card);border:1px solid var(--border-light);border-radius:24px;padding:6px 6px 6px 18px;box-shadow:0 1px 3px #0000000a,0 4px 16px #00000008;transition:border-color var(--transition),box-shadow var(--transition);min-height:52px}.composer:focus-within{border-color:var(--orange);box-shadow:0 1px 3px #0000000a,0 8px 24px #0000000f,var(--shadow-focus)}.composer-attach{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);color:var(--text-muted);transition:all var(--transition);flex-shrink:0}.composer-attach:hover:not(:disabled){background:var(--bg-hover);color:var(--text-main)}.composer-attach:disabled{opacity:.4;cursor:not-allowed}.composer textarea{flex:1;border:none;outline:none;background:none;resize:none;font-size:15px;line-height:1.5;padding:14px 0;max-height:200px;min-height:24px;font-family:inherit}.composer textarea::placeholder{color:var(--text-muted)}.composer-send{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--orange);color:#fff;box-shadow:0 2px 8px #e86f2433;transition:all var(--transition);flex-shrink:0}.composer-send:hover:not(:disabled){background:var(--orange-hover);box-shadow:0 4px 12px #e86f2447;transform:translateY(-1px)}.composer-send:disabled{background:var(--bg-active);color:var(--text-muted);cursor:not-allowed;box-shadow:none}.composer-hint{font-size:12px;color:var(--text-muted);text-align:center;margin-top:12px}.composer-hint a{color:var(--text-secondary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-overlay.login-gate{background:#0009}.modal-box{background:var(--bg-page);border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-md)}.modal-box.modal-sm{max-width:420px}.modal-box.modal-crop{max-width:360px}.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:20px 24px 12px}.modal-kicker{font-size:12px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.modal-head h2{font-size:18px;font-weight:600;margin-top:4px}.modal-close{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-sm);color:var(--text-muted);transition:all var(--transition);flex-shrink:0}.modal-close:hover{background:var(--bg-hover);color:var(--text-main)}.modal-meta-grid{display:flex;flex-wrap:wrap;gap:12px;padding:0 24px 16px}.modal-meta-grid span{display:flex;flex-direction:column;gap:2px}.modal-meta-grid small{font-size:11px;color:var(--text-muted)}.modal-meta-grid strong{font-size:13px;font-weight:500;word-break:normal;overflow-wrap:anywhere}.modal-actions-row{display:flex;gap:8px;align-items:center;padding:0 24px 16px;flex-wrap:wrap}.modal-actions-row button,.modal-actions-row a{padding:6px 14px;font-size:13px;border:1px solid var(--border-default);border-radius:var(--radius-sm);transition:all var(--transition)}.modal-actions-row button:hover,.modal-actions-row a:hover{background:var(--bg-hover)}.modal-actions-row .copy-notice{font-size:12px;color:var(--orange);font-style:normal}.modal-actions-row .button-primary{background:var(--orange);border-color:var(--orange);color:#fff}.modal-actions-row .button-primary:hover{background:var(--orange-hover);border-color:var(--orange-hover);color:#fff}.modal-actions-row .button-danger{background:#fff1f2;border-color:#fecdd3;color:#b42318}.modal-actions-row .button-danger:hover{background:#ffe4e6;border-color:#fda4af}.confirm-message{margin:0}.modal-section{padding:0 24px 16px}.modal-section strong{display:block;font-size:14px;font-weight:600;margin-bottom:6px}.modal-section p{font-size:13px;color:var(--text-secondary);line-height:1.6}.modal-section .error-text{color:#ef4444}.modal-section table{width:100%;border-collapse:collapse;font-size:12px;margin:8px 0}.modal-section th,.modal-section td{padding:6px 10px;border:1px solid var(--border-default);text-align:left}.modal-section th{background:var(--bg-hover)}.modal-section h3{font-size:14px;font-weight:600;margin:12px 0 4px}.modal-section ul{padding-left:20px;margin:4px 0}.modal-section li{font-size:13px;margin-bottom:4px;color:var(--text-secondary)}.card-content p{margin-bottom:8px}.loading-dots{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary)}.form-label{display:flex;flex-direction:column;gap:4px;padding:0 24px 12px;font-size:13px;font-weight:500;color:var(--text-secondary)}.form-label input{padding:8px 12px;border:1px solid var(--border-default);border-radius:var(--radius-sm);font-size:14px;font-weight:400;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.form-label input:focus{border-color:var(--orange);box-shadow:var(--shadow-focus)}.form-textarea{display:block;width:calc(100% - 48px);margin:0 24px 12px;padding:10px 12px;border:1px solid var(--border-default);border-radius:var(--radius-sm);font-size:14px;outline:none;resize:vertical;transition:border-color var(--transition),box-shadow var(--transition)}.form-textarea:focus{border-color:var(--orange);box-shadow:var(--shadow-focus)}.form-input{display:block;width:calc(100% - 48px);margin:0 24px 12px;padding:8px 12px;border:1px solid var(--border-default);border-radius:var(--radius-sm);font-size:14px;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.form-input:focus{border-color:var(--orange);box-shadow:var(--shadow-focus)}.form-notice{padding:0 24px 12px;font-size:13px;color:var(--orange)}.feedback-upload-area{padding:0 24px 12px}.feedback-upload-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;font-size:13px;color:var(--text-secondary);background:var(--bg-hover);border:1px dashed var(--border-default);border-radius:var(--radius-sm);transition:all var(--transition)}.feedback-upload-btn:hover{background:var(--bg-active);color:var(--text-main);border-color:var(--border-strong)}.feedback-file-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.feedback-file-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 8px 4px 10px;font-size:12px;color:var(--text-secondary);background:var(--bg-hover);border-radius:6px}.feedback-file-name{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.feedback-file-chip small{color:var(--text-muted);font-size:11px}.feedback-file-chip button{display:flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;color:var(--text-muted)}.feedback-file-chip button:hover{background:#0000001a;color:var(--text-main)}.feedback-types{display:flex;gap:8px;padding:0 24px 12px}.feedback-types button{display:flex;align-items:center;gap:4px;padding:6px 14px;font-size:13px;border:1px solid var(--border-default);border-radius:var(--radius-sm);transition:all var(--transition)}.feedback-types button.active{background:var(--orange-soft);border-color:var(--orange);color:var(--orange)}.avatar-section{display:flex;align-items:center;gap:12px;padding:0 24px 12px}.avatar-preview{width:48px;height:48px;border-radius:50%;overflow:hidden;display:flex;align-items:center;justify-content:center;background:var(--bg-hover);border:2px solid var(--border-default);flex-shrink:0}.avatar-preview svg,.avatar-preview img{width:100%;height:100%;display:block;object-fit:cover}.avatar-upload-btn{display:inline-flex;align-items:center;gap:4px;padding:6px 14px;font-size:13px;color:var(--text-secondary);background:var(--bg-hover);border:1px solid var(--border-default);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition)}.avatar-upload-btn:hover{background:var(--bg-active);color:var(--text-main)}.avatar-picker{display:flex;flex-wrap:wrap;gap:8px;padding:0 24px 12px}.avatar-picker button{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px;border:2px solid transparent;border-radius:var(--radius-sm);transition:all var(--transition)}.avatar-picker button.active{border-color:var(--orange)}.avatar-picker button span{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--bg-hover);box-shadow:inset 0 0 0 1px #0000000a}.avatar-picker button span svg{width:100%;height:100%;display:block}.avatar-picker button small{font-size:11px;color:var(--text-muted)}.modal-crop .modal-head{padding-bottom:4px}.crop-hint{font-size:13px;color:var(--text-secondary);padding:0 24px 12px;margin:0}.crop-preview{width:280px;height:280px;margin:0 auto 16px;border-radius:var(--radius-md);position:relative;overflow:hidden;background:var(--bg-hover);box-shadow:inset 0 0 0 1px #0000000f;-webkit-user-select:none;user-select:none;touch-action:none}.crop-image{position:absolute;top:50%;left:50%;max-width:none;max-height:none;transform-origin:center center;will-change:transform;user-drag:none;-webkit-user-drag:none}.crop-mask{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:2;background:radial-gradient(circle at center,transparent 132px,rgba(0,0,0,.55) 133px);border-radius:var(--radius-md)}.crop-grid{position:absolute;top:0;right:0;bottom:0;left:0;z-index:3;pointer-events:none;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);padding:22px}.crop-grid span{border:1px dashed rgba(255,255,255,.25);margin:-1px 0 0 -1px}.crop-grid span:nth-child(1),.crop-grid span:nth-child(2),.crop-grid span:nth-child(3){border-top:none}.crop-grid span:nth-child(1),.crop-grid span:nth-child(4),.crop-grid span:nth-child(7){border-left:none}.crop-controls{display:flex;align-items:center;gap:10px;padding:0 24px 16px}.crop-controls span{font-size:12px;color:var(--text-muted);flex-shrink:0}.crop-controls input[type=range]{flex:1;height:4px;border-radius:2px;background:var(--bg-hover);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.crop-controls input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--orange);box-shadow:0 1px 4px #e86f2459;cursor:pointer;transition:transform var(--transition-fast)}.crop-controls input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.1)}.crop-controls input[type=range]::-moz-range-thumb{width:16px;height:16px;border:none;border-radius:50%;background:var(--orange);box-shadow:0 1px 4px #e86f2459;cursor:pointer}.modal-crop .modal-actions-row{padding-top:4px}[data-theme=dark] .crop-preview{background:#ffffff0a;box-shadow:inset 0 0 0 1px #ffffff0f}[data-theme=dark] .crop-mask{background:radial-gradient(circle at center,transparent 132px,rgba(0,0,0,.7) 133px)}[data-theme=dark] .crop-controls input[type=range]{background:#ffffff14}.login-form{padding-top:4px}.login-form .form-label{padding:0 24px 10px}.login-form .modal-actions-row{padding-top:4px}.login-form .form-notice{color:var(--orange)}.btn-primary{background:var(--orange)!important;color:#fff!important;border-color:var(--orange)!important}.btn-primary:hover{background:var(--orange-hover)!important}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:900px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:100;box-shadow:var(--shadow-md)}.topbar-toggle{display:flex}.welcome-suggestions{grid-template-columns:1fr}.mode-group button span{display:none}.topbar-modes{padding:3px}.topbar-modes button{padding:5px 10px}.topbar-modes button .mode-suffix{display:none}}@media(max-width:640px){.msg-list{padding:16px;gap:24px}.composer-area{padding:0 16px 16px}.welcome-page h1{font-size:30px}.msg.user .msg-body{max-width:100%}.mode-group button span{display:none}.topbar-modes button{padding:5px 8px;font-size:12px}.topbar-modes button .mode-suffix,.sb-brand-text{display:none}.modal-box{max-width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.dots i,.thinking-progress:after,.trace-chip.active .trace-dot,.typing-caret,.msg-avatar-img{will-change:transform,opacity}.welcome-illustration img{animation:imgFadeIn .5s ease .1s both}@keyframes imgFadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.sb-toggle{min-width:44px;min-height:44px}.sb-item-row{display:flex;align-items:center;gap:2px;border-radius:var(--radius-sm);transition:background var(--transition),color var(--transition)}.sb-item-row:hover,.sb-item-row.active{background:var(--orange-soft)}.sb-item{min-height:44px;flex:1;width:100%;border:0;background:transparent;text-align:left}.sb-item-actions button{min-width:44px;min-height:44px}.sb-user{min-height:44px;width:100%;border:0;background:transparent;text-align:left}.topbar-icon,.topbar-toggle,.composer-attach,.composer-send,.modal-close{min-width:44px;min-height:44px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:3px solid rgba(232,111,36,.75);outline-offset:3px}.form-label input[aria-invalid=true]{border-color:#ef4444}.form-label input[aria-invalid=true]:focus{box-shadow:0 0 0 3px #ef44442e}@media(max-width:640px){.app-shell{overflow-x:hidden}.topbar{min-width:0;grid-template-columns:auto minmax(0,1fr) auto;padding:0 12px}.topbar-actions,.topbar-left,.topbar-modes{min-width:0}.composer{max-width:100%;min-width:0}.composer-area,.msg-list,.modal-overlay{max-width:100vw;overflow-x:hidden}}@media(min-width:1280px){.app-shell{max-width:100vw}}@media(prefers-reduced-motion:reduce){.app-shell,.welcome-illustration img,.spinner,.route-spinner,.topbar-icon svg,.composer-send:hover:not(:disabled){animation:none!important;transform:none!important}}