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#2a2a4e;border-radius:8px;padding:16px}.help-step-number{width:32px;height:32px;border-radius:50%;background:#7c83ff;color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0}.help-step-content{flex:1}.help-step-content h3{margin:0 0 6px;font-size:15px;color:#e0e0ff}.help-step-content p{margin:0 0 8px;font-size:14px;color:#a0a0c0;line-height:1.4}.help-link{color:#7c83ff;text-decoration:none;font-size:13px}.help-link:hover{text-decoration:underline}.help-code{display:inline-block;background:#12122a;border:1px solid #2a2a4e;border-radius:4px;padding:4px 10px;font-family:monospace;font-size:13px;color:#c0c0e0}.help-faq{margin-top:32px;padding-top:24px;border-top:1px solid #2a2a4e}.help-faq h2{margin:0 0 16px}.help-faq h3{margin:20px 0 8px}.help-faq h4{margin:16px 0 6px;color:#a0a0c0}.help-code-block{display:block;background:#12122a;border:1px solid #2a2a4e;border-radius:6px;padding:12px 16px;font-family:monospace;font-size:13px;color:#c0c0e0;white-space:pre;overflow-x:auto;margin:0}.help-note{font-size:13px;color:#a0a0c0;margin:6px 0 0;font-style:italic}.engine-load-config-btn{width:100%;padding:8px;background:#1a1a2e;border:1px dashed #4a4a8e;border-radius:6px;color:#a0a0c0;font-size:12px;cursor:pointer;transition:border-color .15s,color .15s}.engine-load-config-btn:hover{border-color:#7c83ff;color:#e0e0ff}.engine-error-detail{font-size:11px;color:#f44336;margin-left:8px;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.engine-uci-options{margin-top:10px;padding-top:8px;border-top:1px solid #2a2a4e}.engine-uci-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:6px}.engine-uci-row label{font-size:12px;color:#a0a0c0;min-width:70px}.engine-uci-input{width:80px;background:#1a1a2e;border:1px solid #3a3a5e;border-radius:4px;padding:4px 8px;color:#e0e0ff;font-size:12px;text-align:right}.engine-uci-input:focus{border-color:#7c83ff;outline:none}.engine-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000}.engine-modal{background:#1a1a2e;border:1px solid #2a2a4e;border-radius:10px;padding:20px;width:420px;max-width:90vw;max-height:85vh;overflow-y:auto}.engine-modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.engine-modal-header h3{margin:0;font-size:16px;color:#e0e0ff}.engine-modal-close{background:none;border:none;color:#808098;font-size:18px;cursor:pointer}.engine-modal-close:hover{color:#fff}.engine-multipv-controls{display:inline-flex;align-items:center;gap:2px;margin-right:4px}.engine-multipv-btn{background:#2a2a4e;border:1px solid #3a3a5e;color:#a0a0c0;width:20px;height:20px;border-radius:3px;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;line-height:1}.engine-multipv-btn:hover:not(:disabled){background:#3a3a6e;color:#fff}.engine-multipv-btn:disabled{opacity:.3;cursor:default}.engine-multipv-value{font-size:11px;color:#a0a0c0;min-width:14px;text-align:center}.engine-connection-status{padding:8px 12px;border-radius:6px;font-size:13px;text-align:center;margin:8px 0}.engine-status--connecting{background:#1e2a4a;color:#a0a0c0;border:1px solid #4a4a8e}.engine-status--connected{background:#0a2e1a;color:#16a34a;border:1px solid #16a34a}.engine-status--error{background:#2e0a0a;color:#ef4444;border:1px solid #ef4444}.engine-saved-url{display:block;font-size:11px;color:#666;font-weight:400}.engine-add-btn{width:100%;padding:8px;margin-top:4px;background:transparent;border:1px dashed #4a4a8e;color:#7c83ff;border-radius:6px;font-size:13px;cursor:pointer}.engine-add-btn:hover{background:#1e2a4a;border-color:#7c83ff}