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.dot:nth-child(2){animation-delay:.15s}.chat-msg-loading .dot:nth-child(3){animation-delay:.3s}.chat-options-bar{border-top:1px solid var(--border);background:var(--surface);flex-shrink:0;justify-content:space-between;align-items:center;padding:6px 24px;display:flex}.chat-option{color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:6px;font-size:12px;display:inline-flex}.chat-option input[type=checkbox]{accent-color:var(--accent);cursor:pointer}.chat-option:hover{color:var(--text-secondary)}.chat-prompt-btn{color:var(--text-muted);border:1px solid var(--border);cursor:pointer;border-radius:var(--radius-sm);background:0 0;padding:4px 12px;font-size:12px;transition:all .15s}.chat-prompt-btn:hover{color:var(--text-secondary);background:var(--surface-2)}.sys-prompt-overlay{z-index:100;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.sys-prompt-modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;width:480px;max-width:90vw;max-height:80vh;display:flex}.sys-prompt-modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.sys-prompt-modal-header h3{margin:0;font-size:14px;font-weight:600}.sys-prompt-modal-header button{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:0;font-size:18px;line-height:1}.sys-prompt-modal-header button:hover{color:var(--text-primary)}.sys-prompt-modal textarea{background:var(--bg);min-height:200px;color:var(--text-primary);resize:vertical;border:none;outline:none;flex:1;padding:16px 20px;font-family:inherit;font-size:13px;line-height:1.6}.sys-prompt-modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:12px 20px;display:flex}.sys-prompt-modal-footer button{border-radius:var(--radius-sm);cursor:pointer;padding:6px 16px;font-size:12px;font-weight:600;transition:all .15s}.sys-prompt-modal-footer .cancel-btn{border:1px solid var(--border);color:var(--text-secondary);background:0 0}.sys-prompt-modal-footer .cancel-btn:hover{border-color:var(--border-active);color:var(--text-primary)}.sys-prompt-modal-footer .save-btn{background:var(--accent);color:#0c0c0f;border:none}.sys-prompt-modal-footer .save-btn:hover{background:var(--accent-hover)}.chat-input-wrapper{border-top:1px solid var(--border);background:var(--surface);flex-shrink:0;padding:16px 24px}.chat-input-inner{background:var(--bg);border:1px solid var(--border-active);border-radius:var(--radius);align-items:flex-end;gap:8px;padding:8px 12px;display:flex;overflow:hidden}.chat-file-preview{flex-wrap:wrap;gap:8px;padding:10px 12px 0;display:flex}.chat-file-thumb{border:1px solid var(--border);border-radius:6px;flex-shrink:0;width:60px;height:60px;position:relative;overflow:hidden}.chat-file-thumb img,.chat-file-thumb video{object-fit:cover;width:100%;height:100%}.chat-file-type-badge{font-size:10px;position:absolute;bottom:2px;left:2px}.chat-file-remove{color:#fff;cursor:pointer;opacity:0;background:#000000b3;border:none;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;line-height:1;transition:opacity .15s;display:flex;position:absolute;top:2px;right:2px}.chat-file-thumb:hover .chat-file-remove{opacity:1}.chat-input-row{align-items:flex-end;gap:8px;padding:8px 10px;display:flex}.chat-input{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;max-height:200px;padding:6px 0;font-family:Syne,sans-serif;font-size:14px;line-height:1.5}.chat-input::placeholder{color:var(--text-muted)}.chat-attach-btn{border:1px solid var(--border);border-radius:var(--radius-sm);width:30px;height:30px;color:var(--text-muted);cursor:pointer;background:0 0;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:flex}.chat-attach-btn:hover:not(:disabled){border-color:var(--border-active);color:var(--text-primary);background:var(--surface-2)}.chat-attach-btn:disabled{opacity:.3;cursor:not-allowed}.chat-send-btn{background:var(--accent);color:#0c0c0f;border-radius:var(--radius-sm);cursor:pointer;border:none;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;transition:all .15s;display:flex}.chat-send-btn:hover:not(:disabled){background:var(--accent-hover)}.chat-send-btn:disabled{opacity:.3;cursor:not-allowed}.chat-send-btn.stop{color:#fff;background:var(--danger)!important}.chat-send-btn.stop:hover{background:#ef4444!important}