:root{--bg: #1a1614;--bg-elev: #221d1a;--bg-input: #2a2421;--bg-user: #2e2620;--bg-assistant: #211c19;--text: #e8e0d8;--text-dim: #a89a8c;--accent: #d4915a;--accent-hover: #c0814a;--accent-text: #1a1614;--error-text: #e8a080;--border: #3a312c;--chip-bg: #332b26;--chip-text: #c4a884}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:18px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea{font-family:inherit;font-size:inherit;color:inherit}.config-missing{min-height:100%;display:flex;align-items:center;justify-content:center;padding:2rem}.config-missing p{font-size:18px;color:var(--error-text);text-align:center;line-height:1.5}.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:2rem}.login-card{width:100%;max-width:400px;background:var(--bg-elev);border-radius:16px;padding:2.5rem 2rem;display:flex;flex-direction:column;gap:1.25rem}.login-title{font-size:26px;font-weight:700;margin:0 0 .5rem;color:var(--text);line-height:1.2}.login-field{display:flex;flex-direction:column;gap:.4rem}.login-label{font-size:18px;color:var(--text-dim);line-height:1.5}.login-input{background:var(--bg-input);border:1px solid var(--border);border-radius:10px;padding:.7rem 1rem;font-size:18px;line-height:1.5;outline:none;transition:border-color .2s;width:100%}.login-input:focus{border-color:var(--accent)}.login-error{font-size:18px;color:var(--error-text);margin:0;line-height:1.5}.login-btn{background:var(--accent);color:var(--accent-text);border-radius:10px;padding:.8rem 1.5rem;font-size:18px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:background .2s;margin-top:.5rem}.login-btn:hover:not(:disabled){background:var(--accent-hover)}.login-btn:disabled{opacity:.6;cursor:not-allowed}.chat-wrap{height:100%;display:flex;flex-direction:column}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--bg-elev);border-bottom:1px solid var(--border);flex-shrink:0}.chat-header-titles{display:flex;flex-direction:column;gap:.1rem}.chat-title{font-size:22px;font-weight:700;margin:0;line-height:1.2;color:var(--text)}.chat-subtitle{font-size:18px;color:var(--text-dim);line-height:1.5}.logout-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:8px;font-size:18px;color:var(--text-dim);transition:background .2s,color .2s;flex-shrink:0}.logout-btn:hover{background:var(--bg-input);color:var(--text)}.chat-messages{flex:1;overflow-y:auto;padding:1.5rem 1rem}.chat-messages-inner{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:1rem}.chat-empty{text-align:center;color:var(--text-dim);padding:3rem 1rem;font-size:18px;line-height:1.5}.msg{border-radius:14px;padding:1rem 1.25rem;line-height:1.5;font-size:18px}.msg-user{background:var(--bg-user);margin-left:2rem}.msg-assistant{background:var(--bg-assistant);margin-right:2rem}.msg-text{white-space:pre-wrap;word-wrap:break-word;overflow-wrap:break-word}.msg-loading{display:flex;align-items:center;gap:.6rem;color:var(--text-dim);font-size:18px;line-height:1.5}.msg-sources{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.8rem}.source-chip{background:var(--chip-bg);color:var(--chip-text);border-radius:6px;padding:.2rem .6rem;font-size:18px;line-height:1.5}.chat-input-area{flex-shrink:0;padding:.75rem 1rem 1.25rem;background:var(--bg-elev);border-top:1px solid var(--border)}.chat-input-inner{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:.6rem}.quick-btns{display:flex;gap:.5rem;flex-wrap:wrap}.quick-btn{background:var(--bg-input);border:1px solid var(--border);border-radius:8px;padding:.4rem .9rem;font-size:18px;color:var(--text-dim);line-height:1.5;transition:background .2s,color .2s,border-color .2s}.quick-btn:hover{background:var(--bg-user);color:var(--text);border-color:var(--accent)}.chat-input-row{display:flex;gap:.5rem;align-items:flex-end}.chat-input{flex:1;background:var(--bg-input);border:1px solid var(--border);border-radius:12px;padding:.7rem 1rem;font-size:18px;line-height:1.5;resize:none;outline:none;max-height:200px;transition:border-color .2s}.chat-input:focus{border-color:var(--accent)}.send-btn{background:var(--accent);color:var(--accent-text);border-radius:12px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s,opacity .2s}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:disabled{opacity:.4;cursor:not-allowed}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.msg{animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}@media (max-width: 640px){.chat-header{padding:.75rem 1rem}.chat-title{font-size:20px}.msg-user{margin-left:0}.msg-assistant{margin-right:0}.logout-btn span{display:none}.logout-btn{padding:.5rem}.chat-messages{padding:1rem .75rem}.chat-input-area{padding:.75rem .75rem 1rem}}