@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@600;700;800&display=swap";
:root{--bg-dark:#0a0a0f;--bg-card:#ffffff0f;--bg-card-solid:#141420d9;--surface:#ffffff0a;--text-primary:#f0f0f5;--text-secondary:#f0f0f599;--text-muted:#f0f0f559;--accent:#e8b84b;--accent-dim:#e8b84b26;--accent-glow:#e8b84b14;--teal:#4db6ac;--teal-dim:#4db6ac1f;--border:#ffffff14;--border-accent:#e8b84b40;--sidebar-width:280px;--radius:14px;--radius-sm:8px;--radius-lg:20px;--radius-pill:100px;--transition:all .25s ease}*{box-sizing:border-box;margin:0;padding:0;cursor:none!important}html,body{height:100%;overflow:hidden}body{background:var(--bg-dark);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}.cursor-dot{pointer-events:none;z-index:99999;will-change:transform;background:#7fffd4;border-radius:50%;width:10px;height:10px;position:fixed;top:-5px;left:-5px;box-shadow:0 0 10px #7fffd499}.cursor-circle{pointer-events:none;z-index:99998;will-change:transform;border:3.5px solid #7fffd473;border-radius:50%;width:44px;height:44px;transition:width .3s,height .3s,top .3s,left .3s,border-color .3s,background .3s;position:fixed;top:-22px;left:-22px}.cursor-circle--hover{background:#7fffd40f;border-color:#7fffd4b3;width:60px;height:60px;top:-30px;left:-30px}.cursor-circle--click{background:#7fffd41f;border-color:#7fffd4e6;width:36px;height:36px;top:-18px;left:-18px}@media (hover:none),(pointer:coarse){.cursor-dot,.cursor-circle{display:none!important}*{cursor:auto!important}}.loading-screen{background:var(--bg-dark);justify-content:center;align-items:center;height:100vh;display:flex}.loading-icon{font-size:48px;animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:.4;transform:scale(.95)}50%{opacity:1;transform:scale(1.05)}}.preloader{z-index:9999;background:#050510;justify-content:center;align-items:center;width:100%;height:100%;animation:.3s fadeIn;display:flex;position:fixed;top:0;left:0}.preloader-starfield{z-index:0;position:absolute;top:0;left:0}.preloader-content{z-index:10;flex-direction:column;align-items:center;gap:20px;animation:.8s .2s both fadeInUp;display:flex;position:relative}.preloader-ring-wrapper{width:84px;height:84px;position:relative}.preloader-ring{width:84px;height:84px}.preloader-ring-progress{filter:drop-shadow(0 0 6px #e8b84b66);transition:stroke-dashoffset .3s}.preloader-icon{filter:drop-shadow(0 0 16px #e8b84b80);font-size:32px;animation:3s ease-in-out infinite floatGentle;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.preloader-title{color:#fff;letter-spacing:1px;text-shadow:0 0 30px #e8b84b4d;font-family:Playfair Display,serif;font-size:2rem;font-weight:800}.preloader-subtitle{color:var(--text-secondary);letter-spacing:1.5px;text-transform:uppercase;font-size:.85rem;font-weight:300;animation:2s ease-in-out infinite pulse}.login-page{justify-content:center;align-items:center;width:100%;height:100vh;display:flex;position:relative;overflow:hidden}.login-page--hidden{opacity:0;pointer-events:none}.login-page--visible{animation:.8s forwards fadeIn}.login-bg-video{object-fit:cover;z-index:0;width:100%;height:100%;position:absolute;top:0;left:0}.login-overlay{z-index:1;background:linear-gradient(#0000004d 0%,#00000026 40%,#0006 100%);width:100%;height:100%;position:absolute;top:0;left:0}.login-content{z-index:10;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}.landing-view{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:32px;height:100%;padding:40px 24px;animation:.8s fadeIn;display:flex}.landing-top{flex-direction:column;justify-content:center;align-items:center;gap:8px;display:flex}.landing-icon{filter:drop-shadow(0 0 20px #e8b84b4d);margin-bottom:12px;font-size:56px;animation:4s ease-in-out infinite floatGentle}@keyframes floatGentle{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.landing-title{color:#fff;letter-spacing:1px;text-shadow:0 2px 20px #00000080;font-family:Playfair Display,serif;font-size:2.8rem;font-weight:800}.landing-subtitle{color:#ffffffb3;letter-spacing:2px;text-transform:uppercase;text-shadow:0 1px 10px #00000080;font-size:1rem;font-weight:300}.auth-card{-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);border-radius:var(--radius-lg);background:#0f0f19b3;border:1px solid #ffffff14;flex-direction:column;gap:24px;width:100%;max-width:400px;padding:36px 32px;animation:.5s .2s both fadeInUp;display:flex}.auth-card-header{text-align:center}.auth-card-icon{margin-bottom:8px;font-size:36px}.auth-card-title{color:var(--text-primary);margin-bottom:4px;font-family:Playfair Display,serif;font-size:1.5rem;font-weight:700}.auth-card-subtitle{color:var(--text-secondary);font-size:.85rem}.auth-card-footer{text-align:center;color:var(--text-muted);font-size:.7rem}.oauth-buttons{flex-direction:column;gap:12px;display:flex}.oauth-btn{border-radius:var(--radius-pill);cursor:pointer;width:100%;transition:var(--transition);letter-spacing:.3px;border:none;justify-content:center;align-items:center;gap:12px;padding:14px 20px;font-family:Inter,sans-serif;font-size:.92rem;font-weight:600;display:flex}.oauth-btn:disabled{opacity:.6;cursor:not-allowed}.oauth-icon{flex-shrink:0}.google-btn{color:#3c4043;background:#fff;border:1px solid #dadce0}.google-btn:hover:not(:disabled){background:#f7f8f8;transform:translateY(-1px);box-shadow:0 4px 16px #0000001f}.github-btn{color:#fff;background:#24292f;border:1px solid #30363d}.github-btn:hover:not(:disabled){background:#30363d;transform:translateY(-1px);box-shadow:0 4px 16px #00000040}.login-error{color:#ef5350;text-align:center;font-size:.8rem}.shake{animation:.5s shakeAnim}@keyframes shakeAnim{0%,to{transform:translate(0)}20%{transform:translate(-12px)}40%{transform:translate(10px)}60%{transform:translate(-8px)}80%{transform:translate(6px)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.starfield-canvas{z-index:0;pointer-events:none;width:100%;height:100%;position:fixed;top:0;left:0}.app-container .starfield-canvas{pointer-events:auto}.app-container{width:100%;height:100vh;animation:.4s fadeIn;display:flex;position:relative;overflow:hidden}.sidebar{width:var(--sidebar-width);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-right:1px solid var(--border);z-index:100;background:#0c0c16eb;flex-direction:column;height:100vh;transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar--open{transform:translate(0)}.sidebar-overlay{z-index:99;background:#00000080;animation:.2s fadeIn;position:fixed;inset:0}.sidebar-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:18px 18px 14px;display:flex}.sidebar-title{color:var(--text-primary);font-family:Playfair Display,serif;font-size:1rem;font-weight:700}.sidebar-new-btn{border:1px solid var(--border);background:var(--surface);width:32px;height:32px;color:var(--accent);cursor:pointer;transition:var(--transition);border-radius:8px;justify-content:center;align-items:center;font-size:18px;display:flex}.sidebar-new-btn:hover{background:var(--accent-dim);border-color:var(--border-accent);transform:scale(1.05)}.sidebar-list{flex:1;padding:8px;overflow-y:auto}.sidebar-list::-webkit-scrollbar{width:3px}.sidebar-list::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:10px}.sidebar-empty{text-align:center;color:var(--text-muted);padding:40px 16px;font-size:.82rem}.sidebar-empty-hint{color:var(--accent);opacity:.6;margin-top:6px;font-size:.75rem}.sidebar-item{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);align-items:center;gap:8px;margin-bottom:2px;padding:12px 14px;display:flex}.sidebar-item:hover{background:#ffffff0a}.sidebar-item--active{background:var(--accent-dim);border:1px solid var(--border-accent)}.sidebar-item-content{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.sidebar-item-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:500;overflow:hidden}.sidebar-item--active .sidebar-item-title{color:var(--accent)}.sidebar-item-time{color:var(--text-muted);font-size:.68rem}.sidebar-item-delete{cursor:pointer;opacity:0;transition:var(--transition);background:0 0;border:none;border-radius:4px;flex-shrink:0;padding:4px;font-size:12px}.sidebar-item:hover .sidebar-item-delete{opacity:.5}.sidebar-item-delete:hover{background:#ef53501a;opacity:1!important}.sidebar-close-btn{border:1px solid var(--border);width:28px;height:28px;color:var(--text-secondary);cursor:pointer;transition:var(--transition);opacity:0;pointer-events:none;background:#141420e6;border-radius:50%;justify-content:center;align-items:center;font-size:14px;display:flex;position:absolute;top:16px;right:-36px}.sidebar--open .sidebar-close-btn{opacity:1;pointer-events:auto}.sidebar-close-btn:hover{color:#ef5350;background:#ef535026;border-color:#ef53504d}.chat-main{z-index:1;flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.header{z-index:10;background:var(--bg-card-solid);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:14px 28px;display:flex;position:relative}.header-left{align-items:center;gap:12px;display:flex}.sidebar-toggle{border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;width:34px;height:34px;transition:var(--transition);background:0 0;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.sidebar-toggle:hover{background:var(--surface);border-color:var(--border-accent);color:var(--accent)}.header-icon{background:var(--accent-dim);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:20px;display:flex}.header-text{flex-direction:column;display:flex}.header-title{color:var(--text-primary);font-family:Playfair Display,serif;font-size:1.1rem;font-weight:700}.header-subtitle{color:var(--text-muted);letter-spacing:.5px;font-size:.7rem;font-weight:400}.header-right{align-items:center;gap:16px;display:flex}.user-info{align-items:center;gap:10px;display:flex}.user-avatar{object-fit:cover;border:2px solid var(--accent-dim);border-radius:50%;width:32px;height:32px}.user-avatar-fallback{background:var(--accent-dim);width:32px;height:32px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.user-name{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-size:.82rem;font-weight:500;overflow:hidden}.logout-btn{border-radius:var(--radius-pill);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;padding:6px 16px;font-family:Inter,sans-serif;font-size:.78rem}.logout-btn:hover{color:#ef5350;background:#ef535014;border-color:#ef5350}.chat-container{scroll-behavior:smooth;z-index:1;flex:1;padding:24px 28px;position:relative;overflow-y:auto}.chat-container::-webkit-scrollbar{width:4px}.chat-container::-webkit-scrollbar-track{background:0 0}.chat-container::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}.welcome-container{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:60vh;padding:32px;animation:.6s fadeInUp;display:flex}.particle-wrapper{margin-bottom:16px;position:relative}.particle-canvas{border-radius:var(--radius-lg);display:block}.particle-wrapper:after{content:"";background:radial-gradient(ellipse,var(--accent-glow)0%,transparent 70%);filter:blur(8px);pointer-events:none;width:60%;height:20px;position:absolute;bottom:-10px;left:50%;transform:translate(-50%)}.welcome-title{color:var(--accent);margin-bottom:10px;font-family:Playfair Display,serif;font-size:1.8rem;font-weight:700}.welcome-subtitle{color:var(--text-secondary);max-width:380px;margin-bottom:28px;font-size:.9rem;line-height:1.7}.welcome-suggestions{flex-wrap:wrap;justify-content:center;gap:8px;max-width:480px;display:flex}.suggestion-chip{border-radius:var(--radius-pill);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:var(--transition);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff0a;padding:9px 16px;font-family:Inter,sans-serif;font-size:.82rem}.suggestion-chip:hover{background:var(--accent-dim);border-color:var(--border-accent);color:var(--accent);transform:translateY(-1px)}.messages-list{flex-direction:column;gap:14px;max-width:860px;margin:0 auto;display:flex}@keyframes msgIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message{gap:10px;max-width:82%;animation:.35s msgIn;display:flex}.message.user{flex-direction:row-reverse;align-self:flex-end}.message.assistant{align-self:flex-start}.message-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;margin-top:2px;font-size:16px;display:flex}.message.user .message-avatar{background:var(--accent-dim)}.message.assistant .message-avatar{background:var(--teal-dim)}.assistant-avatar-typing{background:var(--teal-dim);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;margin-top:2px;font-size:16px;display:flex}.error-avatar{background:#ef53501f;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;margin-top:2px;font-size:16px;display:flex}.message-content{flex-direction:column;gap:4px;display:flex}.message-bubble{border-radius:var(--radius);padding:12px 16px;font-size:.88rem;line-height:1.6}.message.user .message-bubble{background:var(--accent);color:#111;border-bottom-right-radius:4px;font-weight:500}.message.assistant .message-bubble{border:1px solid var(--border);color:var(--text-primary);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff0f;border-bottom-left-radius:4px}.message-time{color:var(--text-muted);padding:0 4px;font-size:.65rem}.message.user .message-time{text-align:right}.message.assistant .message-bubble p{margin-bottom:8px}.message.assistant .message-bubble p:last-child{margin-bottom:0}.message.assistant .message-bubble code{background:#ffffff14;border-radius:4px;padding:2px 5px;font-family:SF Mono,Cascadia Code,monospace;font-size:.84em}.message.assistant .message-bubble pre{border-radius:var(--radius-sm);border:1px solid var(--border);background:#0006;margin:8px 0;padding:12px;overflow-x:auto}.message.assistant .message-bubble pre code{background:0 0;padding:0}.message.assistant .message-bubble ul,.message.assistant .message-bubble ol{margin:6px 0;padding-left:18px}.message.assistant .message-bubble li{margin-bottom:3px}.message.assistant .message-bubble strong{color:var(--accent)}.message.assistant .message-bubble a{color:var(--teal);text-decoration:underline}.message.assistant .message-bubble blockquote{border-left:2px solid var(--accent);color:var(--text-secondary);margin:8px 0;padding-left:12px;font-style:italic}.message.assistant .message-bubble h1,.message.assistant .message-bubble h2,.message.assistant .message-bubble h3{color:var(--accent);margin:10px 0 5px;font-family:Playfair Display,serif}.typing-indicator{align-items:flex-start;gap:10px;max-width:82%;animation:.3s msgIn;display:flex}.typing-bubble{border-radius:var(--radius);border:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff0f;border-bottom-left-radius:4px;align-items:center;gap:5px;padding:14px 20px;display:flex}.typing-dot{background:var(--text-muted);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite typingBounce}.typing-dot:first-child{animation-delay:0s}.typing-dot:nth-child(2){background:var(--accent);animation-delay:.2s}.typing-dot:nth-child(3){background:var(--teal);animation-delay:.4s}@keyframes typingBounce{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}.error-message{align-items:flex-start;gap:10px;max-width:82%;animation:.3s msgIn;display:flex}.error-bubble{border-radius:var(--radius);color:#ef9a9a;background:#ef535014;border:1px solid #ef535033;border-bottom-left-radius:4px;padding:12px 16px;font-size:.85rem;line-height:1.5}.retry-btn{border-radius:var(--radius-pill);color:#ef9a9a;cursor:pointer;transition:var(--transition);background:#ef53501a;border:1px solid #ef535040;margin-top:8px;padding:5px 14px;font-family:Inter,sans-serif;font-size:.78rem;display:inline-block}.retry-btn:hover{background:#ef535033}.input-area{z-index:10;background:var(--bg-card-solid);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--border);flex-shrink:0;padding:14px 28px;position:relative}.input-area form{max-width:860px;margin:0 auto}.input-wrapper{border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff0a;align-items:flex-end;gap:10px;padding:4px 4px 4px 16px;display:flex}.input-wrapper:focus-within{border-color:var(--border-accent);box-shadow:0 0 0 3px var(--accent-glow)}.input-wrapper.disabled{opacity:.4;pointer-events:none}.chat-input{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:24px;max-height:120px;padding:10px 0;font-family:Inter,sans-serif;font-size:.9rem;line-height:1.5}.chat-input::placeholder{color:var(--text-muted)}.send-button{cursor:pointer;width:40px;height:40px;transition:var(--transition);background:var(--accent);color:#111;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;font-size:18px;display:flex}.send-button:hover:not(:disabled){transform:scale(1.05);box-shadow:0 4px 12px #e8b84b40}.send-button:active:not(:disabled){transform:scale(.95)}.send-button:disabled{opacity:.25;cursor:not-allowed}.input-footer{text-align:center;color:var(--text-muted);margin-top:6px;font-size:.65rem}@supports (height:100dvh){.app-container,.login-page,.loading-screen,.preloader{height:100dvh}}@media (max-width:768px){.header{gap:8px;padding:10px 12px}.header-left{gap:8px}.sidebar-toggle{width:30px;height:30px;font-size:14px}.header-icon{width:30px;height:30px;font-size:16px}.header-title{font-size:.95rem}.header-subtitle{font-size:.6rem}.header-right{gap:6px}.user-name{display:none}.user-avatar,.user-avatar-fallback{width:28px;height:28px;font-size:12px}.logout-btn{padding:5px 10px;font-size:.7rem}.chat-container{-webkit-overflow-scrolling:touch;padding:12px 8px}.messages-list{gap:10px;max-width:100%}.message{gap:6px;max-width:88%}.message-avatar{width:26px;height:26px;margin-top:1px;font-size:13px}.message.user .message-avatar{display:none}.message.user{max-width:82%}.message-bubble{border-radius:12px;padding:10px 14px;font-size:.84rem;line-height:1.55}.message.user .message-bubble{border-bottom-right-radius:4px}.message.assistant .message-bubble{border-bottom-left-radius:4px}.message-time{font-size:.6rem}.assistant-avatar-typing{width:26px;height:26px;font-size:13px}.typing-indicator{gap:6px}.typing-bubble{border-radius:12px;padding:10px 16px}.error-message{max-width:92%}.error-avatar{width:26px;height:26px;font-size:13px}.welcome-container{min-height:50vh;padding:20px 12px}.particle-wrapper{transform-origin:50%;margin-bottom:10px;transform:scale(.75)}.welcome-title{margin-bottom:12px;font-size:1.3rem}.welcome-suggestions{gap:6px;max-width:100%;padding:0 4px}.suggestion-chip{flex-shrink:0;padding:7px 12px;font-size:.75rem}.input-area{padding:8px 10px;padding-bottom:max(8px,env(safe-area-inset-bottom))}.input-wrapper{border-radius:12px;gap:6px;padding:3px 3px 3px 12px}.chat-input{min-height:20px;padding:8px 0;font-size:.88rem}.send-button{border-radius:8px;width:36px;height:36px;font-size:16px}.input-footer{margin-top:4px;font-size:.58rem}.sidebar{width:80vw;max-width:300px}.sidebar-header{padding:14px 14px 10px}.sidebar-title{font-size:.9rem}.sidebar-item{padding:10px 12px}.sidebar-item-title{font-size:.78rem}.sidebar-item-time{font-size:.62rem}.sidebar-close-btn{width:26px;height:26px;font-size:12px;top:12px;right:-32px}.landing-title{font-size:2rem}.landing-subtitle{letter-spacing:1.5px;font-size:.85rem}.landing-icon{font-size:44px}.auth-card{gap:18px;margin:0 16px;padding:24px 18px}.auth-card-icon{font-size:28px}.auth-card-title{font-size:1.3rem}.auth-card-subtitle{font-size:.8rem}.oauth-btn{padding:12px 16px;font-size:.85rem}.preloader-ring-wrapper,.preloader-ring{width:68px;height:68px}.preloader-icon{font-size:26px}.message.assistant .message-bubble pre{padding:8px;font-size:.78rem}.message.assistant .message-bubble code{font-size:.78em}}@media (max-width:380px){.header-text{display:none}.message{max-width:92%}.message.user{max-width:88%}.suggestion-chip{padding:6px 10px;font-size:.7rem}.welcome-title{font-size:1.1rem}.particle-wrapper{transform:scale(.6)}}