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var(--duration);cursor:pointer;border-radius:14px;flex-shrink:0;position:relative}.toggle.on{background:var(--accent)}.toggle:after{content:"";width:22px;height:22px;transition:transform var(--duration) var(--spring);background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 1px 4px #0003}.toggle.on:after{transform:translate(22px)}.session-card{background:var(--bg-card2);border-radius:var(--radius-md);align-items:flex-start;gap:12px;margin-bottom:10px;padding:14px;display:flex}.session-info{flex:1;min-width:0}.session-subject{color:var(--text-primary);margin-bottom:3px;font-size:15px;font-weight:700}.session-meta{color:var(--text-muted);flex-wrap:wrap;gap:8px;font-size:12px;display:flex}.session-time-big{color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.5px;font-size:17px;font-weight:800}.color-picker{flex-wrap:wrap;gap:8px;display:flex}.color-dot{cursor:pointer;width:30px;height:30px;transition:transform .15s var(--spring);border:2.5px solid #0000;border-radius:50%}.color-dot:hover{transform:scale(1.15)}.color-dot.selected{border-color:var(--text-primary);transform:scale(1.12)}.modal-overlay{background:var(--bg-overlay);z-index:500;opacity:0;transition:opacity var(--duration);pointer-events:none;position:fixed;inset:0}.modal-overlay.show{opacity:1;pointer-events:all}.modal-sheet{background:var(--bg-card);border-radius:var(--radius-xl) var(--radius-xl) 0 0;z-index:501;width:100%;max-width:480px;transition:transform .32s var(--spring), opacity .25s var(--ease);opacity:0;pointer-events:none;max-height:88vh;padding:20px 20px 40px;position:fixed;bottom:0;left:50%;overflow-y:auto;transform:translate(-50%)translateY(100%)}.modal-sheet.show{opacity:1;pointer-events:all;transform:translate(-50%)translateY(0)}@media (width>=900px){.modal-sheet{border-radius:var(--radius-xl);max-width:480px;max-height:85vh;box-shadow:var(--shadow-lg);top:50%;bottom:auto;transform:translate(-50%,-60%)}.modal-sheet.show{opacity:1;pointer-events:all;transform:translate(-50%,-50%)}}.modal-handle{background:var(--border-strong);border-radius:2px;width:40px;height:4px;margin:0 auto 20px}@media (width>=900px){.modal-handle{display:none}}.modal-title{letter-spacing:-.3px;margin-bottom:16px;font-size:18px;font-weight:800}.toast{bottom:calc(var(--tab-h) + 20px);background:var(--text-primary);color:var(--text-inverse);z-index:999;white-space:nowrap;opacity:0;transition:opacity .25s, transform .25s var(--spring);text-align:center;border-radius:100px;max-width:calc(100vw - 40px);padding:11px 20px;font-size:14px;font-weight:600;position:fixed;left:50%;transform:translate(-50%)translateY(16px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width>=900px){.toast{bottom:32px}}.tag{border-radius:100px;align-items:center;padding:3px 10px;font-size:11px;font-weight:700;display:inline-flex}.empty-state{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:48px 20px;display:flex}.empty-state .icon{opacity:.45;font-size:44px}.empty-state .msg{color:var(--text-secondary);font-size:15px;font-weight:700}.empty-state .sub{text-align:center;font-size:13px;line-height:1.6}.stars{gap:4px;display:flex}.star{cursor:pointer;transition:transform .12s var(--spring);font-size:24px}.star:hover{transform:scale(1.2)}.divider{background:var(--border);height:1px;margin:14px 0}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:fadeUp .28s var(--ease) forwards}.desktop-only{display:none}@media (width>=900px){.mobile-only{display:none!important}.desktop-only{display:block}}@media (width<=767px){.cal-event-bar{border-radius:2px;height:5px;margin-top:1px;padding:0;font-size:0}.cal-event-more{display:none}.cal-events-list{gap:2px;margin-top:2px;padding:0 2px}.cal-day{min-height:56px}}@media (width<=540px){.stat-row{flex-direction:column;gap:8px}.stat-pill{padding:12px}.study-timer-big{font-size:42px}}.desktop-music-widget{-webkit-backdrop-filter:blur(10px);border-radius:var(--radius-md);-webkit-user-select:none;user-select:none;width:320px;transition:box-shadow .25s var(--ease), border-color .25s var(--ease);background:#fffffff5;border:1px solid #00000014;margin:0;padding:8px 12px;box-shadow:0 10px 30px #0000001f,0 2px 8px #0000000f}.dark .desktop-music-widget{background:#182030fa;border:1px solid #ffffff1a}.settings-panel{border-radius:var(--radius-sm);background:var(--surface-1);flex-direction:column;gap:12px;padding:12px 6px;display:flex}.settings-title{color:var(--text-primary);border-bottom:1px solid var(--border);align-items:center;gap:6px;margin-bottom:4px;padding-bottom:8px;font-size:13px;font-weight:800;display:flex}.desktop-music-widget:hover{border-color:#fff9;box-shadow:0 14px 40px #0000001f,0 4px 16px #0000000f}.dark .desktop-music-widget:hover{border-color:#ffffff26}.desktop-music-widget:active{cursor:grabbing}.music-compact-player{cursor:grab;align-items:center;gap:10px;display:flex;position:relative}.music-compact-player.dragging{cursor:grabbing}.drag-handle-dots{color:var(--text-muted);cursor:grab;-webkit-user-select:none;user-select:none;opacity:.5;font-size:14px;line-height:1;transition:opacity .2s}.music-compact-player:hover .drag-handle-dots{opacity:.9}.music-compact-player .album-art{border-radius:var(--radius-sm);object-fit:cover;border:1px solid var(--border);width:36px;height:36px;transition:transform .5s var(--spring);flex-shrink:0;box-shadow:0 2px 6px #0000001f}@keyframes rotateRecord{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.music-compact-player .album-art.rotating{animation:12s linear infinite rotateRecord}.music-compact-player .track-info{flex:1;min-width:0}.music-compact-player .track-info .title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;font-weight:700;line-height:1.25;overflow:hidden}.music-compact-player .track-info .artist{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:10.5px;overflow:hidden}.music-compact-player .controls{align-items:center;gap:4px;display:flex}.music-compact-player .ctrl-btn{cursor:pointer;border-radius:var(--radius-sm);color:var(--text-secondary);background:0 0;border:none;justify-content:center;align-items:center;padding:6px;font-size:12px;transition:background .15s,color .15s,transform .1s;display:inline-flex}.music-compact-player .ctrl-btn:hover{background:var(--bg-input);color:var(--accent);transform:scale(1.08)}.music-compact-player .ctrl-btn:active{transform:scale(.95)}.music-compact-player .ctrl-btn.play-pause{background:var(--bg-input);border-radius:var(--radius-sm);justify-content:center;align-items:center;width:26px;height:26px;font-size:12px;display:flex}.music-compact-player .ctrl-btn.play-pause:hover{background:var(--accent-light);color:var(--accent)}.sync-badge-pill{background:var(--bg-input);border-radius:var(--radius-sm);padding:3px 8px;font-size:9.5px;font-weight:800}.music-expanded-panel{border-top:1px solid var(--border);flex-direction:column;gap:12px;margin-top:10px;padding-top:12px;display:flex;position:relative;overflow:hidden;z-index:1000000!important}.music-resize-handle{cursor:se-resize;width:12px;height:12px;color:var(--text-muted);-webkit-user-select:none;user-select:none;opacity:.4;justify-content:flex-end;align-items:flex-end;font-size:10px;line-height:1;transition:opacity .2s;display:flex;position:absolute;bottom:2px;right:2px;z-index:1000002!important}.music-resize-handle:hover{opacity:.9}.music-expanded-wide{grid-template-columns:1fr 1.1fr;gap:14px;height:100%;overflow:hidden;display:grid!important}.music-expanded-wide .left-column{flex-direction:column;gap:10px;min-width:0;height:100%;display:flex}.music-expanded-wide .right-column{flex-direction:column;gap:10px;min-width:0;height:100%;display:flex;overflow:hidden}.music-expanded-wide .track-list,.music-expanded-wide .lyrics-lines{flex:1;overflow-y:auto;max-height:none!important}.music-expanded-panel::-webkit-scrollbar{width:4px}.track-list::-webkit-scrollbar{width:4px}.lyrics-lines::-webkit-scrollbar{width:4px}.music-expanded-panel::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:2px}.track-list::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:2px}.lyrics-lines::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:2px}.expanded-header{justify-content:space-between;align-items:center;display:flex}.expanded-header .panel-title{color:var(--text-primary);letter-spacing:-.2px;font-size:12px;font-weight:800}.expanded-header .sync-badge{color:var(--green);background:var(--green-light);border-radius:var(--radius-sm);padding:1px 5px;font-size:9px;font-weight:800}.expanded-header .close-btn{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;padding:2px 6px;font-size:13px}.expanded-header .close-btn:hover{background:var(--bg-input);color:var(--text-primary)}.player-mode-tabs{background:var(--bg-input);border-radius:var(--radius-sm);gap:4px;padding:2px;display:flex}.player-mode-tabs button{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;flex:1;padding:7px 0;font-size:11px;font-weight:700;transition:background .15s,color .15s}.player-mode-tabs button.active{background:var(--bg-card);color:var(--accent);box-shadow:var(--shadow-sm)}.embed-container{border-radius:var(--radius-md);aspect-ratio:16/9;border:1px solid var(--border);background:#000;overflow:hidden;box-shadow:0 4px 12px #0000001a}.embed-container iframe{border:none;width:100%;height:100%}.category-tabs{background:var(--bg-input);border-radius:var(--radius-sm);gap:4px;padding:2px;display:flex}.category-tabs button{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;flex:1;padding:6px 0;font-size:11px;font-weight:700;transition:background .15s,color .15s}.category-tabs button.active{background:var(--bg-card);color:var(--accent);box-shadow:var(--shadow-sm)}.track-list{flex-direction:column;gap:6px;max-height:110px;padding-right:2px;display:flex;overflow-y:auto}.track-item{border-radius:var(--radius-sm);cursor:pointer;background:var(--bg-card2);border:1px solid #0000;align-items:center;gap:8px;padding:6px 8px;transition:background .15s,border-color .15s;display:flex}.track-item:hover{background:var(--bg-input)}.track-item.active{background:var(--accent-light);border-color:var(--accent)}.track-item.active .title{color:var(--accent)}.source-badge{color:#fff;border-radius:var(--radius-sm);padding:1.5px 3.5px;font-size:8px;font-weight:800}.track-item .info{flex:1;min-width:0}.track-item .info .title{white-space:nowrap;text-overflow:ellipsis;color:var(--text-primary);font-size:11.5px;font-weight:700;overflow:hidden}.track-item .info .artist{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;margin-top:1px;font-size:9.5px;overflow:hidden}.custom-url-wrap{gap:6px;display:flex}.custom-url-wrap input{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);outline:none;flex:1;padding:6px 10px;font-size:11px}.custom-url-wrap input:focus{border-color:var(--accent)}.custom-url-wrap button{background:var(--accent);color:#fff;border-radius:var(--radius-sm);cursor:pointer;border:none;padding:6px 12px;font-size:11px;font-weight:700;transition:opacity .15s}.custom-url-wrap button:hover{opacity:.9}.equalizer{align-items:flex-end;gap:2px;height:12px;display:flex}.equalizer .bar{background:var(--accent);width:2px;animation:.8s ease-in-out infinite alternate bounceEq}.equalizer .bar:first-child{height:100%;animation-delay:-.4s}.equalizer .bar:nth-child(2){height:60%;animation-delay:-.2s}.equalizer .bar:nth-child(3){height:80%;animation-delay:-.6s}.equalizer .bar:nth-child(4){height:40%;animation-delay:0s}@keyframes bounceEq{0%{height:20%}to{height:100%}}.settings-panel{background:var(--bg-card2);border-radius:var(--radius-md);border:1px solid var(--border);padding:10px}.settings-title{margin-bottom:6px;font-size:12px;font-weight:800}.spotify-progress-wrap{background:var(--bg-input);border-radius:var(--radius-sm);height:4px;position:relative;overflow:hidden}.spotify-progress-fill{background:var(--green);border-radius:var(--radius-sm);height:100%;transition:width .3s}.lyrics-panel{border-top:1px solid var(--border);flex-direction:column;gap:6px;padding-top:8px;display:flex}.lyrics-header{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:10.5px;font-weight:800;display:flex}.timer-badge{background:var(--bg-input);border-radius:var(--radius-sm);color:var(--text-secondary);padding:2px 6px;font-size:9.5px}.lyrics-lines{text-align:center;max-height:70px;color:var(--text-muted);flex-direction:column;gap:4px;padding:4px 0;font-size:11.5px;line-height:1.6;display:flex;overflow-y:auto}.lyric-line{opacity:.45;transition:color .2s,font-weight .2s,transform .2s}.lyric-line.active{color:var(--accent);opacity:1;font-weight:700;transform:scale(1.04)}.floating-music-btn{bottom:calc(var(--tab-h) + 16px);border-radius:var(--radius-md);background:var(--accent);color:#fff;width:48px;height:48px;box-shadow:var(--shadow-lg);cursor:pointer;z-index:400;transition:transform .15s var(--spring);justify-content:center;align-items:center;font-size:22px;display:flex;position:fixed;right:16px}.floating-music-btn:hover{transform:scale(1.1)}.mobile-music-player{padding:10px 0}@media (width<=899px){.music-expanded-panel{width:100%;max-height:none;box-shadow:none;opacity:1;pointer-events:all;background:0 0;border:none;margin-top:0;padding:0;position:static;transform:none}}