:root{--primary: #37352f;--primary-gradient: linear-gradient(135deg, #37352f 0%, #5a5a5a 100%);--bg-main: #ffffff;--sidebar-bg: #fbfbfa;--msg-user: #f1f1f0;--msg-bot: #ffffff;--text-main: #37352f;--text-muted: #73726e;--glass: rgba(255, 255, 255, .9);--border: rgba(55, 53, 47, .08);--notion-highlight: #ebeced}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-main);color:var(--text-main);height:100vh;overflow:hidden}#root{height:100%}.app-container{display:flex;height:100vh;width:100vw;background-image:radial-gradient(at 0% 0%,rgba(0,123,255,.05) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(0,210,255,.05) 0px,transparent 50%)}.sidebar{width:300px;background:var(--sidebar-bg);border-right:1px solid var(--border);display:flex;flex-direction:column;box-shadow:4px 0 15px #00000005;z-index:10}.sidebar-header{padding:24px;border-bottom:1px solid var(--border)}.sidebar-header h1{margin:0;font-size:.9rem;font-weight:700;color:var(--text-muted);letter-spacing:.5px;text-transform:uppercase}.user-profile{margin-top:12px;display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:4px;transition:background .2s;cursor:default}.user-profile:hover{background:var(--notion-highlight)}.user-avatar{width:32px;height:32px;background:var(--notion-highlight);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.8rem;color:var(--text-main);overflow:hidden}.user-avatar img{width:100%;height:100%;object-fit:cover}.user-info{display:flex;flex-direction:column;overflow:hidden}.user-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:.75rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread-list{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:5px}.thread-item{padding:8px 12px;border-radius:4px;cursor:pointer;transition:background .2s;display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--text-main);margin:0 4px}.login-page{height:100vh;width:100vw;display:flex;align-items:center;justify-content:center;background-image:radial-gradient(at 0% 0%,rgba(55,53,47,.03) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(55,53,47,.03) 0px,transparent 50%);background-color:#fff}.login-card{padding:40px;background:#fff;border-radius:12px;box-shadow:0 1px 4px #0000001a,0 10px 30px #0000000d;border:1px solid var(--border);text-align:center;max-width:400px;width:90%;animation:fadeIn .8s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.login-logo{width:64px;height:64px;margin-bottom:24px;filter:drop-shadow(0 5px 15px rgba(0,0,0,.1))}.login-card h2{font-size:2rem;font-weight:800;margin:0 0 12px;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}.login-card p{color:var(--text-muted);margin-bottom:35px;font-size:1rem;line-height:1.6}.notion-login-btn{width:100%;padding:16px;border-radius:12px;border:1px solid #000;background:#000;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:12px;transition:all .3s cubic-bezier(.16,1,.3,1);box-shadow:0 4px 12px #0000001a}.notion-login-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #0003;background:#222}.notion-login-btn:active{transform:translateY(0)}.login-footer{margin-top:30px;font-size:.8rem;color:var(--text-muted)}.thread-item:hover{background:var(--notion-highlight)}.thread-item.active{background:var(--notion-highlight);color:var(--text-main);font-weight:600}.new-thread-btn{margin:15px;padding:8px 12px;border-radius:6px;border:1px solid var(--border);background:#fff;color:var(--text-main);cursor:pointer;font-weight:500;font-size:.85rem;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px}.new-thread-btn:hover{background:var(--notion-highlight)}.main-chat{flex:1;display:flex;flex-direction:column;position:relative}.chat-header{padding:18px 30px;background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.chat-messages{flex:1;overflow-y:auto;padding:30px;display:flex;flex-direction:column;gap:20px}.message{max-width:80%;padding:14px 18px;border-radius:18px;box-shadow:0 2px 5px #0000000d;line-height:1.5;font-size:.95rem;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;background:var(--msg-user);color:var(--text-main);border-radius:12px 12px 0}.message.assistant{align-self:flex-start;background:var(--msg-bot);color:var(--text-main);border-radius:12px 12px 12px 0;border:1px solid var(--border)}.message-label{display:block;font-size:.7rem;margin-bottom:4px;opacity:.7;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.input-area{padding:20px 30px;background:var(--sidebar-bg);border-top:1px solid var(--border)}.input-wrapper{display:flex;gap:12px;background:#fff;padding:8px;border-radius:8px;border:1px solid var(--border);transition:all .2s;box-shadow:0 1px 4px #0000000d}.input-wrapper:focus-within{border-color:var(--text-muted)}.input-wrapper input{flex:1;border:none;background:transparent;padding:10px 15px;font-size:1rem;outline:none}.send-btn{background:var(--primary-gradient);color:#fff;border:none;padding:0 16px;border-radius:6px;cursor:pointer;font-weight:600;font-size:.85rem;transition:opacity .2s}.send-btn:hover:not(:disabled){opacity:.9}.loading-indicator{display:flex;gap:4px}.dot{width:5px;height:5px;background:var(--text-muted);border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.dot:nth-child(1){animation-delay:-.32s}.dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.markdown-container{overflow-wrap:break-word;word-wrap:break-word;word-break:break-word}.markdown-container p{margin:0 0 10px}.markdown-container p:last-child{margin-bottom:0}.markdown-container ul,.markdown-container ol{margin:10px 0;padding-left:20px}.markdown-container li{margin:4px 0}.markdown-container h1,.markdown-container h2,.markdown-container h3{margin:15px 0 10px;font-weight:700;line-height:1.2}.markdown-container h1{font-size:1.3rem}.markdown-container h2{font-size:1.2rem}.markdown-container h3{font-size:1.1rem}.markdown-container code{background:#0000000d;padding:2px 4px;border-radius:4px;font-family:JetBrains Mono,Fira Code,monospace;font-size:.85em}.message.user .markdown-container code{background:#fff3}.markdown-container pre{background:#1e1e1e;color:#d4d4d4;padding:12px;border-radius:8px;overflow-x:auto;margin:12px 0}.markdown-container pre code{background:transparent;padding:0;color:inherit;font-size:.9em}.markdown-container table{border-collapse:collapse;width:100%;margin:15px 0;font-size:.85rem}.markdown-container th,.markdown-container td{border:1px solid var(--border);padding:8px 12px;text-align:left}.markdown-container th{background:#f8f9fa;font-weight:600}.markdown-container blockquote{margin:10px 0;padding-left:15px;border-left:3px solid var(--primary);color:var(--text-muted)}