:root{--bg:#f5f5f7;--card:#ffffff;--border:#d1d1d6;--text:#1d1d1f;--muted:#86868b;--primary:#007aff;--danger:#ff3b30;--success:#34c759;--hover:rgba(0,0,0,.05);--sel:rgba(0,122,255,.15);--sidebar-bg:rgba(255,255,255,.8);--sidebar-width:9%;--star-color:#ff9f0a;--shadow:0 8px 32px rgba(0,0,0,.1);--radius:6px;font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI',Roboto,sans-serif;--ace-bg:#1e1e1e;--ace-header:#1e1e1e;--ace-toolbar:#252526;--ace-border:#3c3c3c;--ace-hover:#2d2d2d;--ace-sel:#094771;--ace-text:#ccc;--ace-muted:#888}:root.dark{--bg:#1c1c1e;--card:#2c2c2e;--border:#3a3a3c;--text:#f5f5f7;--muted:#98989d;--hover:rgba(255,255,255,.08);--sel:rgba(0,122,255,.25);--sidebar-bg:rgba(44,44,46,.8);--shadow:0 8px 32px rgba(0,0,0,.4);--star-color:#ff9f0a}*{margin:0;padding:0;box-sizing:border-box}body:not(.logged){background:linear-gradient(135deg,#e8eaf0 0%,#dfe0e8 100%);min-height:100vh}:root.dark body:not(.logged){background:linear-gradient(135deg,#1c1c1e 0%,#2c2c2e 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var(--border);z-index:1500;transition:right .3s ease;box-shadow:-4px 0 24px rgba(0,0,0,.25);display:flex;flex-direction:column}.trash-panel.show{right:0}.trash-panel-header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.trash-panel-header h2{font-size:15px;font-weight:600;flex:1}.trash-panel-close{width:28px;height:28px;border:none;border-radius:6px;background:var(--hover);color:var(--muted);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center}.trash-panel-close:hover{background:var(--border);color:var(--text)}.trash-panel-toolbar{padding:8px 16px;border-bottom:1px solid var(--border);display:flex;gap:8px}.trash-panel-content{flex:1;overflow:auto;padding:8px 0}.trash-panel-footer{padding:8px 16px;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}.trash-item{padding:8px 16px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border);transition:background 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8px}.music-lrc-line.active{color:#fff;font-weight:600;font-size:12px}.music-lrc-line.near{color:rgba(255,255,255,.75)}.music-title{font-size:12px;font-weight:600;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.music-controls{display:flex;justify-content:center;gap:12px;margin-top:8px}.music-controls button{background:none;border:none;cursor:pointer;font-size:16px;color:var(--text);padding:6px;border-radius:50%;transition:background .2s}.music-controls button:hover{background:var(--hover)}.music-controls .play{width:36px;height:36px;background:var(--primary);color:#fff;font-size:14px}.music-progress{height:4px;background:var(--border);border-radius:2px;margin-top:8px;cursor:pointer}.music-progress-fill{height:100%;background:var(--primary);border-radius:2px;width:0%;transition:width .1s}.music-time{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:2px}.music-volume{display:flex;align-items:center;gap:6px;margin-top:6px}.music-volume input{accent-color:var(--primary)}.music-list-item{padding:6px 8px;cursor:pointer;font-size:12px;display:flex;align-items:center;gap:6px;border-radius:4px}.music-list-item:hover{background:var(--hover)}.music-list-item.active{background:var(--sel);color:var(--primary)}.music-toolbar{margin-top:6px;padding-top:6px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.music-toolbar button{background:none;border:1px solid var(--border);cursor:pointer;font-size:11px;padding:4px 10px;border-radius:4px;color:var(--muted);transition:all .15s}.music-toolbar button:hover{background:var(--hover);color:var(--text)}.music-toolbar button.mode-on{background:var(--primary);color:#fff;border-color:var(--primary)}.music-toolbar .list-toggle{border:none;font-size:11px;color:var(--muted);padding:4px 6px}.music-toolbar .list-toggle:hover{color:var(--text)}.music-list{max-height:0;overflow:hidden;transition:max-height .3s ease}.music-list.open{max-height:180px;overflow-y:auto;border-top:1px solid var(--border);margin-top:6px;padding-top:6px}.music-add-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:300px;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:0 4px 16px rgba(0,0,0,.3);z-index:999;padding:12px}.music-add-modal-title{font-size:13px;font-weight:600;margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}.music-add-dir{max-height:200px;overflow-y:auto;border:1px solid var(--border);border-radius:4px}.music-add-dir-item{padding:6px 10px;cursor:pointer;font-size:12px;display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--border)}.music-add-dir-item:last-child{border-bottom:none}.music-add-dir-item:hover{background:var(--hover)}.music-add-dir-item.selected{background:var(--sel);color:var(--primary)}@media (max-width:768px){.header{display:none!important}.toolbar{display:none!important}.breadcrumb{position:fixed!important;top:50px!important;left:0!important;right:0!important;z-index:998!important;background:var(--card)!important;border-bottom:1px solid var(--border)!important;padding:8px 12px!important;margin:0!important}.main-area{flex:1;display:flex;flex-direction:column;padding-top:0!important}body.logged{display:flex;flex-direction:column}.table-container{flex:1;overflow-y:auto;padding-top:36px!important;padding-bottom:40px!important}.footer{position:fixed!important;bottom:0!important;left:0!important;right:0!important;z-index:998!important;background:var(--card)!important;border-top:1px solid var(--border)!important}table{font-size:12px}th,td{padding:5px 8px!important}}.fab-btn{display:none;position:fixed;bottom:80px;right:20px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;font-size:24px;box-shadow:0 4px 12px rgba(0,122,255,.4);z-index:1000;transition:transform .3s,box-shadow .3s;align-items:center;justify-content:center}.fab-btn:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(0,122,255,.5)}.fab-btn.active{transform:rotate(45deg)}@media (max-width:768px){.fab-btn{display:flex}}.fab-menu{display:none;position:fixed;bottom:150px;right:20px;background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.2);padding:8px;z-index:1001;min-width:180px;animation:fabMenuIn .2s ease}.fab-menu.show{display:block}@keyframes fabMenuIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fab-menu-item{display:flex;align-items:center;gap:10px;padding:12px 16px;cursor:pointer;font-size:14px;color:var(--text);border-radius:8px;transition:background .15s;white-space:nowrap}.fab-menu-item:hover{background:var(--hover)}.fab-menu-item .fab-icon{font-size:18px;width:24px;text-align:center}.mobile-top-bar{display:none;position:fixed;top:0;left:0;right:0;height:50px;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 12px;z-index:1000;gap:8px}.mobile-menu-btn,.mobile-home-btn,.mobile-more-btn{background:none;border:none;cursor:pointer;font-size:20px;padding:6px;border-radius:6px;transition:background .15s;flex-shrink:0}.mobile-menu-btn:hover,.mobile-home-btn:hover,.mobile-more-btn:hover{background:var(--hover)}.mobile-title{flex:1;text-align:center;font-size:16px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width:768px){.mobile-top-bar{display:flex!important}.sidebar-toggle{display:none!important}.desktop-menu{display:none!important}.header-actions .btn-icon:last-child{display:none!important}.main-area{padding-top:50px}.main-area>div>.header{display:none}.desktop-sidebar{display:none!important}.mobile-sidebar{position:fixed!important;top:50px!important;left:0!important;width:250px!important;height:calc(100vh - 50px)!important;z-index:999!important;transform:translateX(-100%)!important;transition:transform .3s ease!important;box-shadow:2px 0 8px rgba(0,0,0,.15)!important;background:var(--sidebar-bg)!important;backdrop-filter:blur(20px)!important}.mobile-sidebar.mobile-show{transform:translateX(0)!important}.header-actions{display:none!important}background-color:var(--hover)!important;transform:scale(0.98);transition:transform 0.1s ease}.swipe-action{position:relative;overflow:hidden}.swipe-action .swipe-delete{position:absolute;right:0;top:0;bottom:0;width:80px;background:var(--danger);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;transform:translateX(100%);transition:transform 0.3s ease}.swipe-action.swipe-revealed .swipe-delete{transform:translateX(0)}.long-press-active{background-color:var(--sel)!important}.pull-to-refresh{position:fixed;top:50px;left:0;right:0;height:40px;background:var(--card);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted);transform:translateY(-100%);transition:transform 0.3s ease;z-index:997;border-bottom:1px solid var(--border)}.pull-to-refresh.visible{transform:translateY(0)}.pull-to-refresh .refresh-icon{margin-right:8px;transition:transform 0.3s ease}.pull-to-refresh.refreshing .refresh-icon{animation:spin 1s linear infinite}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}tr.keyboard-selected{outline:2px solid var(--primary)!important;outline-offset:-2px}tr.keyboard-selected td:first-child{position:relative}tr.keyboard-selected td:first-child::before{content:'►';position:absolute;left:4px;color:var(--primary);font-size:10px}*:focus{outline:2px solid var(--primary)!important;outline-offset:2px}*:focus:not(:focus-visible){outline:none!important}*:focus-visible{outline:2px solid var(--primary)!important;outline-offset:2px}.skip-link{position:absolute;top:-40px;left:8px;background:var(--primary);color:#fff;padding:8px 16px;border-radius:4px;z-index:100000;transition:top 0.3s}.skip-link:focus{top:8px}.mobile-card-view{display:none}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);display:none;align-items:center;justify-content:center;z-index:99999}.loading-overlay.show{display:flex}.loading-spinner{background:var(--card);padding:24px 32px;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,0.3);text-align:center}.loading-spinner .spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto 12px}.loading-spinner .loading-text{font-size:14px;color:var(--text)}.toast-item{transition:all 0.3s ease;max-height:200px}.toast-item.toast-success{border-left:3px solid var(--success)}.toast-item.toast-error{border-left:3px solid var(--danger)}.toast-item.toast-info{border-left:3px solid var(--primary)}.toast-undo{margin-left:8px;padding:2px 8px;background:var(--primary);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:12px}.toast-undo:hover{opacity:0.8}.confirm-dialog{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--card);padding:24px;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,0.3);z-index:10001;max-width:400px;width:90%}.confirm-dialog h3{margin-bottom:12px;font-size:16px;color:var(--text)}.confirm-dialog p{margin-bottom:16px;font-size:14px;color:var(--muted);line-height:1.5}.confirm-dialog .confirm-actions{display:flex;gap:8px;justify-content:flex-end}.upload-queue{position:fixed;bottom:20px;right:20px;width:320px;max-height:400px;background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,0.2);z-index:9998;display:none;overflow:hidden}.upload-queue.show{display:block}.upload-queue-header{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:600}.upload-queue-list{max-height:300px;overflow-y:auto}.upload-queue-item{padding:8px 16px;border-bottom:1px solid var(--border);font-size:12px}.upload-queue-item:last-child{border-bottom:none}.upload-item-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px;color:var(--text)}.upload-item-progress{height:3px;background:var(--border);border-radius:1.5px;overflow:hidden}.upload-item-progress-fill{height:100%;background:var(--primary);transition:width 0.3s ease}.upload-item-status{font-size:11px;color:var(--muted);margin-top:2px}}