.settings-modal{z-index:1000;background-color:#000000b3;justify-content:center;align-items:center;width:100%;height:100%;display:none;position:fixed;top:0;left:0}.settings-modal.active{display:flex}.settings-content{background-color:#2a2a2a;border-radius:5px;width:90%;max-width:600px;max-height:90vh;animation:.3s ease-out fadeInDown;overflow-y:auto;box-shadow:0 4px 15px #0000004d}.settings-header{border-bottom:1px solid #3a3a3a;justify-content:space-between;align-items:center;padding:20px;display:flex}.settings-header h2{color:#fff;margin:0;font-size:1.5rem;font-weight:500}.close-settings{color:#999;cursor:pointer;background:0 0;border:none;font-size:1.5rem;transition:color .2s}.close-settings:hover{color:#fff}.settings-body{padding:20px}.settings-section{border-bottom:1px solid #3a3a3a;margin-bottom:30px;padding-bottom:20px}.settings-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.settings-section h3{color:#ccc;margin-top:0;margin-bottom:15px;font-size:1.2rem}.setting-item{width:100%;margin-bottom:20px;padding:0}.setting-item:last-child{margin-bottom:0}.settings-button{color:#fff;cursor:pointer;box-sizing:border-box;text-align:center;background-color:#3d3d3d;border:none;border-radius:4px;width:100%;margin:0;padding:10px 15px;font-size:1rem;transition:background-color .2s;display:block}.settings-button:hover{background-color:#4a4a4a}.settings-button.active{background-color:#5c8a2f}.settings-button.danger{background-color:#8a2f2f}.settings-button.danger:hover{background-color:#a33a3a}.settings-button[disabled]{cursor:not-allowed;opacity:.65;pointer-events:none;box-shadow:none;color:#ddd!important;background-color:#555!important;border-color:#0000!important}.settings-button.disabled{cursor:pointer;opacity:.75;pointer-events:auto;box-shadow:none;color:#ddd!important;background-color:#555!important;border-color:#0000!important}.settings-button[disabled]:hover,.settings-button.disabled:hover{background-color:#555!important}.share-active-message{color:#f0f0f0;background-color:#2f2f2f;border-left:4px solid #7fb13b;border-radius:3px;margin-top:8px;padding:10px 12px;font-size:.95rem}.share-active-message.share-active-error{color:#ffdede;background-color:#3b1414;border-left-color:#b33a3a}.setting-description{color:#999;margin-top:8px;font-size:.9rem}.setting-info{color:#bbb;margin:5px 0;font-size:.9rem}#toggle-kappa,#toggle-prerequisites,#clear-storage,#export-data,#import-data{box-sizing:border-box;text-align:center;width:100%;margin:0;padding:10px 15px;display:block}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.settings-content{width:95%;max-height:95vh}.settings-button{width:100%;min-height:48px;font-size:1rem}.close-settings{justify-content:center;align-items:center;width:44px;height:44px;font-size:1.8rem;display:flex}.settings-header{z-index:10;background:#2a2a2a;padding:16px;position:sticky;top:0}.settings-body{padding:16px 16px 80px}.undo-button{min-height:44px;padding:10px 16px}}@media (width<=480px){.settings-content{border-radius:0;width:100%;max-width:100%;max-height:100vh}.settings-header h2{font-size:1.2rem}.settings-section h3{font-size:1rem}.setting-description,.setting-info{font-size:.85rem}}#toggle-kappa.active,#toggle-prerequisites.active{color:#fff;background-color:#4a6c2a;border-color:#5d8a34}.undo-button{color:#fff;cursor:pointer;background-color:#d32f2f;border:1px solid #b71c1c;border-radius:4px;margin-left:10px;padding:8px 15px;font-size:.8rem;transition:background-color .2s,transform .1s;animation:2s infinite pulse}.undo-button:hover{background-color:#b71c1c;transform:scale(1.05)}#toggle-prerequisites{background-color:#3d3d3d;border-color:#555}#share-section .share-link-block label,#share-autosync-status p,#share-last-sync{color:#fff}.share-copy-feedback{opacity:0;visibility:hidden;color:#fff;margin-left:8px;font-size:.95rem;transition:opacity .18s,transform .18s,visibility 0s linear .18s;display:inline-block;transform:translateY(-4px)}.share-copy-feedback.visible{opacity:1;visibility:visible;transition:opacity .18s,transform .18s;transform:translateY(0)}#share-section{padding:12px 0 0}.share-result{background:linear-gradient(#ffffff05,#0000000d);border:1px solid #ffffff0a;border-radius:6px;padding:12px;display:block}.share-link-block{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.share-link-block label{color:#fff;margin-right:6px;font-weight:600}#share-link{color:#cfe7a8;word-break:break-all;max-width:calc(100% - 140px);text-decoration:underline}.share-copy-btn{color:#fff;cursor:pointer;background:#3d3d3d;border:none;border-radius:4px;justify-content:center;align-items:center;padding:6px 10px;display:inline-flex}.share-copy-btn:hover{background:#4a4a4a}#delete-share{margin-top:8px}#share-autosync-status p{color:#ddd;margin:6px 0 0;font-size:.95rem}@media (width<=480px){.share-link-block{gap:6px}#share-link{max-width:100%}.share-copy-feedback{margin-top:6px;margin-left:0;display:block}}