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p{margin:0;font-size:14px;color:#4a5568;line-height:1.5}.loading-container{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;will-change:opacity;contain:layout style paint}.loading-spinner{width:40px;height:40px;border:4px solid #e2e8f0;border-top:4px solid #4299e1;border-radius:50%;animation:spin 1s linear infinite;will-change:transform;transform:translateZ(0)}@keyframes spin{0%{transform:rotate(0) translateZ(0)}to{transform:rotate(360deg) translateZ(0)}}.error-message{background:#fed7d7;border:1px solid #feb2b2;border-radius:8px;padding:16px;margin-bottom:20px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}.error-icon{color:#c53030;width:24px;height:24px}.error-message p{color:#c53030;margin:0;font-size:14px}.retry-button{background:#c53030;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:12px;transition:background-color .2s}.retry-button:hover{background:#9c2626}@media (min-width: 320px){.app{font-size:16px}button,.auth-button,.user-button{min-height:44px;min-width:44px;font-size:16px}input,textarea,select{font-size:16px}}@media (max-width: 480px){.main-content{flex-direction:column;height:calc(100vh - 80px);min-height:calc(100vh - 80px)}.info-panel{width:100%;height:250px;min-height:250px;border-left:none;border-top:1px solid #e9ecef;overflow-y:auto;-webkit-overflow-scrolling:touch;flex-shrink:0}.map-container{flex:1;min-height:300px;height:calc(100vh - 330px);width:100%;position:relative;display:block}.instruction-item{padding:12px;margin-bottom:12px}.stat-item{padding:12px}.filter-toggle-button{padding:10px 14px;font-size:16px}}@media (min-width: 481px) and (max-width: 768px){.main-content{flex-direction:column}.info-panel{width:100%;height:200px;border-left:none;border-top:1px solid #e9ecef}.map-container{flex:1;min-height:400px}}@media (min-width: 769px){.main-content{flex-direction:row}.info-panel{width:400px;height:auto;border-left:1px solid #e9ecef;border-top:none}.map-container{flex:1;height:auto}}@media (max-width: 768px) and (orientation: landscape){.map-container{height:calc(100vh - 210px)}.info-panel{height:150px}}@media (-webkit-min-device-pixel-ratio: 2),(min-resolution: 192dpi){.loading-spinner{border-width:2px}}