.chat-container{display:flex;flex-direction:column;height:100vh;background:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,sans-serif;color:#1a1a1a}.chat-header{background:#000;padding:24px 20px;box-shadow:0 4px 16px #0000001f;text-align:center;border-bottom:1px solid #e5e5e5}.chat-header h1{margin:0;font-size:28px;font-weight:700;color:#fff;letter-spacing:-.5px}.chat-header p{margin:8px 0 0;font-size:13px;color:#b0b0b0;font-weight:400;letter-spacing:.3px}.chat-messages{flex:1;overflow-y:auto;padding:24px 20px;display:flex;flex-direction:column;gap:16px;background:#fafafa}.message{display:flex;animation:slideIn .3s ease-in-out}@keyframes slideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-user{justify-content:flex-end}.message-user .message-content{background:#000;color:#fff;max-width:70%;border-radius:12px 4px 12px 12px;padding:12px 16px;box-shadow:0 2px 8px #0000001a}.message-bot{justify-content:flex-start}.message-bot .message-content{background:#fff;color:#1a1a1a;max-width:70%;border-radius:4px 12px 12px;padding:12px 16px;box-shadow:0 2px 8px #00000014;border:1px solid #e5e5e5}.message-error{justify-content:flex-start}.message-error .message-content{background:#fef2f2;color:#991b1b;max-width:70%;border-radius:4px 12px 12px;padding:12px 16px;border-left:3px solid #dc2626;border:1px solid #fecaca}.message-content{display:flex;flex-direction:column;gap:6px}.message-text{line-height:1.6;word-wrap:break-word;font-size:14px}.message-time{font-size:12px;opacity:.6;margin-top:2px}.message-model{font-size:11px;opacity:.7;margin-top:4px;border-top:1px solid rgba(0,0,0,.1);padding-top:4px;font-weight:500}.loading{justify-content:flex-start}.loading .message-content{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #e5e5e5}.spinner{width:16px;height:16px;border:2px solid #e5e5e5;border-top-color:#000;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.context-panel{background:#fff;border-top:1px solid #e5e5e5;max-height:320px;overflow-y:auto;padding:16px 20px;box-shadow:0 -4px 16px #00000014}.context-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;border-bottom:1px solid #e5e5e5;padding-bottom:12px}.context-header h3{margin:0;font-size:13px;color:#1a1a1a;font-weight:600;letter-spacing:.3px}.context-header button{background:#f3f3f3;border:1px solid #d9d9d9;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:500;color:#1a1a1a;transition:all .2s}.context-header button:hover{background:#e8e8e8;border-color:#b0b0b0}.context-list{display:flex;flex-direction:column;gap:10px}.context-item{background:#f9f9f9;padding:10px 12px;border-radius:8px;border-left:3px solid #000000;font-size:12px}.context-header-small{color:#1a1a1a;margin-bottom:4px;font-weight:600}.context-score{color:#666;font-size:11px;margin-bottom:6px;font-weight:500}.context-text{color:#555;line-height:1.5;font-size:12px}.chat-options{display:flex;gap:12px;padding:14px 20px;background:#fff;border-top:1px solid #e5e5e5;align-items:center;flex-wrap:wrap}.option-label{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer;color:#1a1a1a;font-weight:500}.option-label input[type=checkbox]{cursor:pointer;width:16px;height:16px;accent-color:#000000}.option-label input[type=number]{width:50px;padding:6px 8px;border:1px solid #d9d9d9;border-radius:6px;font-size:12px;background:#fff;color:#1a1a1a}.option-label input[type=number]:focus{outline:none;border-color:#000;box-shadow:0 0 0 2px #0000001a}.option-label input:disabled{opacity:.5;cursor:not-allowed}.show-context-btn,.clear-btn{padding:8px 14px;border:1px solid #d9d9d9;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;transition:all .2s}.show-context-btn{background:#000;color:#fff;border-color:#000}.show-context-btn:hover{background:#1a1a1a;box-shadow:0 2px 8px #0003}.clear-btn{background:#fff;color:#1a1a1a;border-color:#d9d9d9}.clear-btn:hover{background:#f3f3f3;border-color:#1a1a1a}.chat-input-area{display:flex;gap:12px;padding:16px 20px;background:#fff;border-top:1px solid #e5e5e5}.chat-input{flex:1;padding:12px 14px;border:1px solid #d9d9d9;border-radius:8px;font-size:14px;font-family:inherit;resize:none;transition:all .2s;background:#fff;color:#1a1a1a}.chat-input::placeholder{color:#999}.chat-input:focus{outline:none;border-color:#000;box-shadow:0 0 0 3px #00000014}.chat-input:disabled{opacity:.6;cursor:not-allowed;background:#f9f9f9}.send-btn{padding:12px 22px;background:#000;color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;font-size:13px;transition:all .3s;letter-spacing:.3px}.send-btn:hover:not(:disabled){background:#1a1a1a;transform:translateY(-1px);box-shadow:0 4px 12px #0003}.send-btn:active:not(:disabled){transform:translateY(0)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.chat-messages::-webkit-scrollbar,.context-panel::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track,.context-panel::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb,.context-panel::-webkit-scrollbar-thumb{background:#d9d9d9;border-radius:3px}.chat-messages::-webkit-scrollbar-thumb:hover,.context-panel::-webkit-scrollbar-thumb:hover{background:#999}@media (max-width: 768px){.chat-header h1{font-size:22px}.message-user .message-content,.message-bot .message-content{max-width:85%}.chat-options{flex-direction:column;align-items:flex-start;gap:10px}.chat-input-area{flex-direction:column;gap:10px}.send-btn{width:100%}.context-panel{max-height:250px}}@media (max-width: 480px){.chat-header{padding:16px 12px}.chat-messages{padding:16px 12px;gap:12px}.message-user .message-content,.message-bot .message-content{max-width:90%}.chat-input-area{padding:12px}.chat-input{padding:10px 12px;font-size:13px}.send-btn{padding:10px 16px;font-size:12px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;height:100vh}