@keyframes pulse{0%,to{opacity:.8}50%{opacity:.3}}.fuel-center-modal .modal-content{max-width:500px;background:#f5f5f5;text-align:left}.fuel-center-modal .fuel-center-content{padding:2rem;display:flex;flex-direction:column;gap:26px}.fuel-center-modal .fuel-center-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.fuel-center-modal .fuel-center-header .title-section{display:flex;align-items:center;gap:.5rem}.fuel-center-modal .fuel-center-header .title-section h2{margin:0;font-size:1.5rem;font-weight:600;color:#333}.fuel-center-modal .fuel-center-header .help-icon{width:30px;height:30px;border-radius:50%;background:#e0e0e0;display:flex;align-items:center;justify-content:center;cursor:pointer}.fuel-center-modal .core-selection h3{margin:0 0 1rem;font-size:1.1rem;font-weight:600}.fuel-center-modal .core-selection .core-options{display:flex;flex-direction:column;gap:.75rem}.fuel-center-modal .core-selection .core-option{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#e0e0e0;border-radius:8px;cursor:pointer;transition:all .2s ease}.fuel-center-modal .core-selection .core-option:hover{background:#d0d0d0}.fuel-center-modal .core-selection .core-option.selected{background:#2e7d32;color:#fff}.fuel-center-modal .core-selection .core-option.selected .core-name{color:#fff}.fuel-center-modal .core-selection .core-option .core-info{display:flex;align-items:center;gap:.5rem;font-weight:600}.fuel-center-modal .core-selection .core-option .core-name{font-weight:500;color:#666}.fuel-center-modal .total-cost{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:1rem;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1)}.fuel-center-modal .total-cost .cost-amount{display:flex;align-items:center;gap:.5rem;font-weight:600;color:#4caf50}.fuel-center-modal .config-info{background:#fff;padding:.75rem;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1);margin-bottom:1rem}.fuel-center-modal .config-info .config-item{display:flex;justify-content:space-between;font-size:.9rem;font-weight:500;color:#666}.fuel-center-modal .config-info .config-item span{padding:.25rem .5rem;background:#f0f0f0;border-radius:4px;font-size:.8rem}.fuel-center-modal .config-info .config-item .mode-toggle{padding:.25rem .75rem;border:none;border-radius:4px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s ease}.fuel-center-modal .config-info .config-item .mode-toggle.normal{background:#4caf50;color:#fff}.fuel-center-modal .config-info .config-item .mode-toggle.normal:hover{background:#45a049}.fuel-center-modal .config-info .config-item .mode-toggle.bidirectional{background:#ff9800;color:#fff}.fuel-center-modal .config-info .config-item .mode-toggle.bidirectional:hover{background:#e68900}.fuel-center-modal .power-core-status .status-labels{display:flex;justify-content:space-between;margin-bottom:.5rem;font-size:.9rem;font-weight:500}.fuel-center-modal .power-core-status .progress-container{position:relative}.fuel-center-modal .power-core-status .progress-container .progress-bar.running{box-shadow:0 0 10px rgba(76,175,80,.3)}.fuel-center-modal .power-core-status .progress-container .progress-bar .progress-segment{height:100%;margin:0;border:none;padding:0;outline:none;flex-shrink:0;box-sizing:border-box}.fuel-center-modal .power-core-status .progress-container .progress-bar .meter-pointer{position:absolute;top:-4px;width:6px;height:calc(100% + 6px);background:#fff;z-index:999;border-radius:2px;box-shadow:0 0 4px hsla(0,0%,100%,.8)}.fuel-center-modal .power-core-status .progress-container .progress-bar .meter-pointer.no-transition{transition:none}.fuel-center-modal .power-core-status .progress-container .current-status{text-align:center;font-weight:600;color:#333;background:#e0e0e0;padding:.5rem;border-radius:8px}.fuel-center-modal .game-controls{display:flex;justify-content:center}.fuel-center-modal .game-controls .control-button{padding:.75rem 1.5rem;border:none;border-radius:8px;font-weight:600;min-height:51.05px;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all .2s ease}.fuel-center-modal .game-controls .control-button.start-button{background:#4caf50;color:#fff}.fuel-center-modal .game-controls .control-button.start-button:hover{background:#45a049}.fuel-center-modal .game-controls .control-button.stop-button{background:#f44336;color:#fff}.fuel-center-modal .game-controls .control-button.reset-button{background:#ff9800;color:#fff}.fuel-center-modal .game-controls .control-button.reset-button:hover{background:#e68900}.fuel-center-modal .initiate-charge-button{width:100%;padding:1rem;background:#2e7d32;color:#fff;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:background-color .2s ease}.fuel-center-modal .initiate-charge-button:hover{background:#1b5e20}.fuel-center-modal .initiate-charge-button:disabled{background:#ccc;cursor:not-allowed}@media(max-width:768px){.fuel-center-modal .modal-content{max-width:90%;margin:1rem}.fuel-center-modal .fuel-center-content{padding:1rem}.fuel-center-modal .core-selection .core-options{gap:.5rem}.fuel-center-modal .core-option{padding:.75rem}}