@import "https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=JetBrains+Mono:ital,wght@0,400;0,500;1,400&display=swap";:root{--bg:#0c0c0e;--bg-s:#111114;--bg-e:#17171b;--bg-h:#1d1d22;--bg-i:#131316;--bd:#252529;--bd-m:#2e2e36;--bd-l:#39393f;--t1:#f1f1f4;--t2:#8e8e9e;--t3:#4e4e5c;--a:#d4a96a;--a-dim:#d4a96a14;--a-mid:#d4a96a2e;--a-glow:#d4a96a47;--a-h:#e0b87a;--red:#e05555;--sw:256px;--r:8px;--r-md:12px;--r-lg:16px;--r-xl:20px;--f:"Sora",system-ui,sans-serif;--fm:"JetBrains Mono",monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--f);background:var(--bg);color:var(--t1);-webkit-font-smoothing:antialiased;overflow:hidden;font-size:15px}#root{display:flex}img,svg{display:block}button{font-family:var(--f);cursor:pointer;background:0 0;border:none}a{color:inherit;text-decoration:none}.app-shell{display:flex;overflow:hidden;position:relative;width:100%;height:100vh}.sidebar{display:flex;width:var(--sw);min-width:var(--sw);background:var(--bg-s);border-right:1px solid var(--bd);overflow:hidden;z-index:40;flex-direction:column;flex-shrink:0;height:100vh;transition:width .22s cubic-bezier(.4,0,.2,1),min-width .22s cubic-bezier(.4,0,.2,1),border-color .22s}.sidebar--closed{border-right-color:#0000;width:0;min-width:0}.sidebar-header{display:flex;flex-shrink:0;justify-content:space-between;align-items: center;gap:6px;padding:15px 13px 9px}.sidebar-logo-btn{display:flex;border-radius:var(--r);color:var(--t1);flex:1;align-items: center;gap:9px;min-width:0;padding:4px 3px;transition:opacity .15s}.sidebar-logo-btn:hover{opacity:.75}.sidebar-logo-img{object-fit:contain;border-radius:6px;flex-shrink:0;width:40px;height:40px}.sidebar-logo-img-empty{object-fit:contain;border-radius:6px;flex-shrink:0;width:80px;height:80px}.sidebar-logo-text{letter-spacing:-.25px;white-space:nowrap;font-size:15px;font-weight:600}.sidebar-toggle-btn{display:flex;border-radius:var(--r);color:var(--t3);flex-shrink:0;justify-content:center;align-items: center;width:28px;height:28px;transition:color .15s,background .15s}.sidebar-toggle-btn:hover{color:var(--t1);background:var(--bg-h)}.sidebar-actions{flex-shrink:0;padding:2px 10px 10px}.sidebar-new-btn{display:flex;background:var(--a-dim);border:1px solid var(--a-mid);border-radius:var(--r);color:var(--a);white-space:nowrap;align-items: center;gap:7px;width:100%;padding:8px 12px;transition:background .15s,border-color .15s;font-size:13px;font-weight:500}.sidebar-new-btn:hover{background:var(--a-mid);border-color:var(--a-glow)}.sidebar-nav{overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:var(--bd-m)transparent;flex:1;min-height:0;padding:4px 8px}.sidebar-nav::-webkit-scrollbar{width:3px}.sidebar-nav::-webkit-scrollbar-thumb{background:var(--bd-m);border-radius:4px}.sidebar-section-label{text-transform:uppercase;letter-spacing:.08em;color:var(--t3);padding:6px 8px 5px;font-size:10px;font-weight:600}.sidebar-empty-note{color:var(--t3);text-align:center;padding:16px 10px;font-size:12.5px}.sidebar-conv-list{list-style:none;display:flex;flex-direction:column;gap:1px}.sidebar-conv-item{display:flex;text-align:left;border-radius:var(--r);color:var(--t2);align-items: center;gap:8px;width:100%;padding:7px 10px;transition:background .12s,color .12s;font-size:13px}.sidebar-conv-item:hover{background:var(--bg-h);color:var(--t1)}.sidebar-conv-item--active{background:var(--bg-e);color:var(--t1)}.sidebar-conv-icon{opacity:.45;flex-shrink:0}.sidebar-conv-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.sidebar-footer{border-top:1px solid var(--bd);flex-shrink:0;padding:10px 10px 14px}.sidebar-user{display:flex;align-items: center;gap:9px}.sidebar-user-avatar{background:var(--a-dim);border:1.5px solid var(--a-mid);color:var(--a);display:flex;overflow:hidden;border-radius:50%;flex-shrink:0;justify-content:center;align-items: center;width:32px;height:32px;font-size:13px;font-weight:600}.sidebar-avatar-img{object-fit:cover;width:100%;height:100%}.sidebar-user-info{display:flex;flex-direction:column;flex:1;gap:1px;min-width:0}.sidebar-user-name{color:var(--t1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12.5px;font-weight:500}.sidebar-user-email{color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px}.sidebar-logout-btn{display:flex;border-radius:var(--r);color:var(--t3);flex-shrink:0;align-items: center;padding:5px;transition:color .15s,background .15s}.sidebar-logout-btn:hover{color:var(--red);background:#e055551a}.sidebar-signin-btn{display:flex;border:1px solid var(--bd-m);border-radius:var(--r);color:var(--t2);justify-content:center;align-items: center;gap:8px;width:100%;padding:9px 14px;transition:border-color .15s,color .15s,background .15s;font-size:13px;font-weight:500}.sidebar-signin-btn:hover{border-color:var(--a-glow);color:var(--a);background:var(--a-dim)}.sidebar-overlay{display:none}.floating-toggle{position:absolute;z-index:50;background:var(--bg-s);border:1px solid var(--bd-m);border-radius:var(--r);display:flex;color:var(--t2);justify-content:center;align-items: center;width:34px;height:34px;transition:color .15s,background .15s,opacity .2s,transform .2s;top:14px;left:14px}.floating-toggle:hover{color:var(--t1);background:var(--bg-e)}.floating-toggle--hidden{opacity:0;pointer-events:none;transform:translate(-4px)}.main-content{display:flex;overflow:hidden;position:relative;flex-direction:column;flex:1;min-width:0;height:100vh}.empty-state{display:flex;overflow-y:auto;flex:1;justify-content:center;align-items: center;padding:24px 24px 60px}.empty-inner{display:flex;flex-direction:column;align-items: center;gap:24px;width:100%;max-width:640px}.empty-logo-wrap{display:flex;justify-content:center;align-items: center;width:72px;height:72px}.empty-logo-img{object-fit:contain;animation:breathe 3.5s ease-in-out infinite;width:72px;height:72px}@keyframes breathe{0%,to{opacity:.85;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}.empty-heading{letter-spacing:-.4px;color:var(--t1);text-align:center;font-size:clamp(20px,3.5vw,28px);font-weight:600}.empty-sub{color:var(--t3);text-align:center;margin-top:-14px;font-size:14px}.empty-input-wrap{width:100%}.empty-suggestions{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;width:100%}.suggestion-chip{display:flex;background:var(--bg-s);border:1px solid var(--bd);color:var(--t2);border-radius:20px;align-items: center;gap:6px;padding:7px 13px;transition:border-color .15s,color .15s,background .15s;font-size:13px}.suggestion-chip:hover:not(:disabled){border-color:var(--a-mid);color:var(--t1);background:var(--bg-h)}.suggestion-chip:disabled{opacity:.5;cursor:not-allowed}.suggestion-icon{font-size:14px;line-height:1}.search-box{display:flex;background:var(--bg-i);border:1.5px solid var(--bd-m);border-radius:var(--r-md);align-items: flex-end;gap:8px;width:100%;padding:12px 10px 12px 15px;transition:border-color .2s,box-shadow .2s}.search-box:focus-within{border-color:var(--a-glow);box-shadow:0 0 0 3px #d4a96a0f}.search-box--compact{border-radius:var(--r);padding:9px 9px 9px 13px}.search-textarea{outline:none;resize:none;color:var(--t1);font-family:var(--f);overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--bd)transparent;background:0 0;border:none;flex:1;min-height:22px;max-height:180px;font-size:15px;line-height:1.55}.search-textarea::placeholder{color:var(--t3)}.search-textarea:disabled{opacity:.5}.search-actions{display:flex;flex-shrink:0;align-items: center}.search-submit{border-radius:var(--r);background:var(--bg-h);border:1px solid var(--bd-m);color:var(--t3);display:flex;justify-content:center;align-items: center;width:32px;height:32px;transition:background .15s,color .15s,border-color .15s}.search-submit--on{background:var(--a);border-color:var(--a);color:#1a0d00}.search-submit--on:hover{background:var(--a-h)}.search-submit:disabled:not(.search-submit--on){cursor:not-allowed}.search-spinner{border:2px solid var(--bd-m);border-top-color:var(--a);animation:spin .7s linear infinite;border-radius:50%;flex-shrink:0;width:18px;height:18px;margin-right:2px}@keyframes spin{to{transform:rotate(360deg)}}.chat-layout{display:flex;overflow:hidden;flex-direction:column;height:100%}.chat-scroll{overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:var(--bd-m)transparent;flex:1;min-height:0;padding:36px 0 16px}.chat-scroll::-webkit-scrollbar{width:4px}.chat-scroll::-webkit-scrollbar-thumb{background:var(--bd-m);border-radius:4px}.chat-inner{display:flex;flex-direction:column;gap:36px;max-width:740px;margin:0 auto;padding:0 28px}.chat-input-bar{background:linear-gradient(to top,var(--bg)60%,transparent);flex-shrink:0;padding:10px 28px 20px}.chat-input-wrap{max-width:740px;margin:0 auto}.chat-thinking{display:flex;animation:fadeIn .2s ease;align-items: center;gap:10px;padding:6px 0}.thinking-dots{display:flex;gap:4px}.thinking-dots span{background:var(--a);opacity:.3;animation:dotpulse 1.4s ease-in-out infinite;border-radius:50%;width:6px;height:6px}.thinking-dots span:nth-child(2){animation-delay:.2s}.thinking-dots span:nth-child(3){animation-delay:.4s}@keyframes dotpulse{0%,80%,to{opacity:.25;transform:scale(.75)}40%{opacity:1;transform:scale(1)}}.thinking-label{color:var(--t3);font-size:13px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.msg-user{display:flex;animation:fadeIn .18s ease;justify-content:flex-end}.msg-user-text{background:var(--bg-e);border:1px solid var(--bd-m);color:var(--t1);word-break:break-word;border-radius:16px 16px 4px;max-width:72%;padding:12px 16px;font-size:15px;line-height:1.6}.msg-assistant{display:flex;animation:fadeInUp .25s ease;flex-direction:column;gap:16px}.msg-sources{display:flex;flex-direction:column;gap:9px}.msg-sources-label{display:flex;text-transform:uppercase;letter-spacing:.07em;color:var(--t3);align-items: center;gap:5px;font-size:10.5px;font-weight:600}.msg-sources-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:7px}.source-card{display:flex;background:var(--bg-s);border:1px solid var(--bd);border-radius:var(--r-md);cursor:pointer;flex-direction:column;gap:6px;padding:10px 12px;transition:border-color .15s,background .15s}.source-card:hover{border-color:var(--a-mid);background:var(--bg-h)}.source-card-top{display:flex;align-items: center;gap:5px}.source-card-num{color:var(--t3);background:var(--bg-e);border:1px solid var(--bd);display:flex;border-radius:4px;flex-shrink:0;justify-content:center;align-items: center;width:17px;height:17px;font-size:10px;font-weight:700}.source-card-favicon{object-fit:contain;border-radius:3px;flex-shrink:0;width:14px;height:14px}.source-card-favicon-fb{background:var(--bg-h);color:var(--t3);display:flex;border-radius:3px;flex-shrink:0;justify-content:center;align-items: center;width:14px;height:14px;font-size:9px;font-weight:700}.source-card-host{color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;font-size:11px}.source-card-title{color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;overflow:hidden;-webkit-box-orient:vertical;font-size:12px;line-height:1.4}.msg-sources-more{background:var(--bg-s);border:1px dashed var(--bd-m);border-radius:var(--r-md);color:var(--t3);text-align:center;padding:9px 12px;transition:color .15s,border-color .15s;font-size:12px}.msg-sources-more:hover{color:var(--a);border-color:var(--a-mid)}.msg-answer-body{position:relative}.streaming-cursor{display:inline-block;background:var(--a);vertical-align:text-bottom;animation:blink .75s step-end infinite;border-radius:1px;width:2px;height:1.1em;margin-left:2px}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.msg-followups{display:flex;border-top:1px solid var(--bd);flex-direction:column;gap:8px;padding-top:14px}.msg-followups-label{display:flex;text-transform:uppercase;letter-spacing:.07em;color:var(--t3);align-items: center;gap:5px;font-size:10.5px;font-weight:600}.msg-followup-list{list-style:none;display:flex;flex-direction:column;gap:4px}.msg-followup-btn{display:flex;text-align:left;border:1px solid var(--bd);border-radius:var(--r);color:var(--t2);background:0 0;align-items:baseline;gap:8px;width:100%;padding:9px 12px;transition:border-color .15s,color .15s,background .15s;font-size:13.5px;line-height:1.45}.msg-followup-btn:hover{border-color:var(--a-mid);color:var(--t1);background:var(--a-dim)}.msg-followup-arrow{color:var(--a);flex-shrink:0;font-size:14px;line-height:1.55}.prose-dark{color:var(--t1);font-size:15px;line-height:1.72}.prose-dark .md-p{color:var(--t1);margin:0 0 14px;line-height:1.72}.prose-dark .md-p:last-child{margin-bottom:0}.prose-dark .md-h1{letter-spacing:-.35px;margin:22px 0 9px;font-size:20px;font-weight:700}.prose-dark .md-h2{letter-spacing:-.25px;margin:18px 0 8px;font-size:17px;font-weight:600}.prose-dark .md-h3{margin:14px 0 6px;font-size:15.5px;font-weight:600}.prose-dark .md-h4{text-transform:uppercase;letter-spacing:.06em;color:var(--a);margin:12px 0 5px;font-size:12px;font-weight:600}.prose-dark strong{color:var(--t1);font-weight:600}.prose-dark em{color:var(--t2);font-style:italic}.prose-dark .md-ul,.prose-dark .md-ol{display:flex;flex-direction:column;gap:6px;margin:6px 0 12px;padding-left:22px}.prose-dark .md-ul{list-style:disc}.prose-dark .md-ol{list-style:decimal}.prose-dark .md-li-ul,.prose-dark .md-li-ol{color:var(--t1);padding-left:3px;line-height:1.65}.prose-dark .md-code{font-family:var(--fm);background:var(--bg-e);border:1px solid var(--bd-m);color:var(--a);border-radius:4px;padding:1px 5px;font-size:13px}.prose-dark .md-pre{background:var(--bg-e);border:1px solid var(--bd-m);border-radius:var(--r);overflow-x:auto;margin:12px 0;padding:14px 16px}.prose-dark .md-pre code{font-family:var(--fm);color:#e8d8c0;background:0 0;border:none;padding:0;font-size:13px;line-height:1.6}.prose-dark .md-hr{border:none;border-top:1px solid var(--bd);margin:18px 0}.auth-page{display:flex;background:var(--bg);background-image:radial-gradient(55% 45% at 50% 38%,#d4a96a0f 0%,#0000 68%);justify-content:center;align-items: center;width:100%;min-height:100vh;padding:24px}.auth-card{background:var(--bg-s);border:1px solid var(--bd);border-radius:var(--r-xl);display:flex;flex-direction:column;align-items: center;gap:24px;width:100%;max-width:380px;padding:44px 34px}.auth-logo-wrap{background:var(--a-dim);border:1.5px solid var(--a-mid);display:flex;border-radius:15px;justify-content:center;align-items: center;width:58px;height:58px;padding:10px}.auth-logo-img{object-fit:contain;width:100%;height:100%}.auth-copy{display:flex;text-align:center;flex-direction:column;align-items: center;gap:5px}.auth-title{letter-spacing:-.35px;color:var(--t1);font-size:21px;font-weight:600}.auth-subtitle{color:var(--t3);font-size:14px}.auth-buttons{display:flex;flex-direction:column;gap:10px;width:100%}.auth-btn{display:flex;border-radius:var(--r);justify-content:center;align-items: center;gap:10px;width:100%;padding:12px 20px;transition:opacity .15s,transform .1s;font-size:14px;font-weight:500}.auth-btn:active{transform:scale(.985)}.auth-btn--google{color:#2c2c2c;background:#fff;border:1px solid #d4d4d4}.auth-btn--google:hover{background:#f5f5f5}.auth-btn--github{border:1px solid var(--bd-m);color:var(--t1);background:#1a1a1e}.auth-btn--github:hover{background:#222228}.auth-back-btn{color:var(--t3);background:0 0;border:none;margin-top:-8px;transition:color .15s;font-size:13px}.auth-back-btn:hover{color:var(--a)}@media (max-width:768px){:root{--sw:280px}.sidebar{position:fixed;transition:transform .25s cubic-bezier(.4,0,.2,1);top:0;left:0;transform:translate(-100%);box-shadow:4px 0 24px #00000080;width:var(--sw)!important;min-width:var(--sw)!important}.sidebar--open{transform:translate(0)}.sidebar-overlay{display:block;position:fixed;z-index:39;background:#0000008c;inset:0}.chat-inner{padding:0 16px}.chat-input-bar{padding:8px 16px 16px}.msg-user-text{max-width:88%}.msg-sources-grid{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}