:root{--bg-color: #343541;--chat-bg: #444654;--text-primary: #ECECF1;--text-secondary: #C5C5D2;--accent-color: #10a37f;--accent-hover: #1a7f64;--border-color: rgba(255, 255, 255, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-primary);height:100vh;display:flex;flex-direction:column}.chat-container{display:flex;flex-direction:column;height:100%;max-width:100%}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:var(--bg-color);border-bottom:1px solid var(--border-color)}.header-info h1{font-size:1.25rem;font-weight:600;margin-bottom:.25rem;color:#fff}.header-info p{font-size:.85rem;color:var(--text-secondary)}.back-link{color:var(--text-secondary);text-decoration:none;font-size:.9rem;transition:color .2s;border:1px solid var(--border-color);padding:.5rem 1rem;border-radius:4px}.back-link:hover{color:var(--text-primary);background:#ffffff0d}.chat-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;padding-bottom:1rem}.message{padding:1.5rem 2rem;display:flex;gap:1.5rem;line-height:1.6}.message.assistant{background-color:var(--chat-bg);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.message.user{background-color:var(--bg-color)}.message-avatar{width:30px;height:30px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;background-color:var(--accent-color);flex-shrink:0}.message.user .message-avatar{background-color:#5436da;color:#fff}.message-content{flex:1;max-width:800px;margin:0 auto;width:100%;word-wrap:break-word}.message-content p{margin-bottom:1rem}.message-content p:last-child{margin-bottom:0}.message-content strong{font-weight:600;color:#fff}.message-content ul,.message-content ol{margin-left:1.5rem;margin-bottom:1rem}.message-content li{margin-bottom:.25rem}.chat-input-container{padding:2rem;background-color:var(--bg-color);background-image:linear-gradient(180deg,#35374000,#353740 58.85%);display:flex;flex-direction:column;align-items:center}#chat-form{max-width:800px;width:100%;position:relative;display:flex;align-items:flex-end;background-color:#40414f;border-radius:.75rem;box-shadow:0 0 15px #0000001a;border:1px solid rgba(255,255,255,.2)}#chat-input{flex:1;background:transparent;border:none;color:#fff;padding:1rem 3rem 1rem 1rem;font-size:1rem;font-family:inherit;resize:none;max-height:200px;outline:none;min-height:56px}#chat-input::placeholder{color:#ffffff80}#send-btn{position:absolute;right:10px;bottom:10px;background:var(--accent-color);color:#fff;border:none;border-radius:.25rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}#send-btn:hover{background:var(--accent-hover)}#send-btn:disabled{background:#555;cursor:not-allowed;opacity:.5}.footer-text{font-size:.75rem;color:var(--text-secondary);margin-top:.75rem;text-align:center}.typing-indicator{display:flex;gap:4px;align-items:center;height:24px}.typing-indicator span{width:6px;height:6px;background-color:var(--text-secondary);border-radius:50%;animation:typing 1.4s infinite ease-in-out both}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#565869;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#acacbe}