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#e2e8f0;border-radius:10px;background:#f8fafc;padding:3px 4px;display:flex;align-items:center;justify-content:center;gap:6px;min-width:0}.multi-day-class-header.locked{border-color:#fdba74;background:#fff7ed}.multi-day-class-lock{width:20px;height:20px;flex-shrink:0}.multi-day-class-lock .icon{width:12px;height:12px}.multi-day-class-lock:hover{transform:none}.multi-day-class-meta{min-width:0;display:flex;flex-direction:column;align-items:center;gap:1px;text-align:center}.multi-day-class-main{min-width:0;width:auto;display:inline-flex;align-items:center;justify-content:center;gap:4px}.multi-day-class-grade{flex:none;font-size:9px;font-weight:700;color:#64748b;line-height:1.1;white-space:nowrap}.multi-day-class-name{min-width:0;flex:none;font-size:11px;font-weight:700;color:#0f172a;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.multi-day-class-sub{flex:0 0 auto;font-size:9px;color:#64748b;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.multi-view-layout{display:flex;flex-direction:column;flex:1 1 auto;min-height:100%}.multi-view-layout.stretch-view{height:100%}.multi-view-layout.stretch-view .multi-class-grid{flex:1 1 auto;height:100%;min-height:0}.multi-view-layout .multi-class-grid.single-row-view{flex:1 1 auto;height:auto;min-height:0}.multi-class-grid.cols-1{grid-template-columns:minmax(220px,1fr)}.multi-class-grid.cols-2{grid-template-columns:repeat(2,minmax(220px,1fr))}.multi-class-grid.cols-3{grid-template-columns:repeat(3,minmax(220px,1fr))}.multi-class-grid.stretch-view{height:100%;align-content:stretch;grid-auto-rows:minmax(0,1fr)}.multi-class-grid.split-overflow-view{align-content:start;grid-auto-rows:var(--split-overflow-card-height, auto)}.multi-class-grid.split-overflow-view .multi-class-card{height:var(--split-overflow-card-height, auto)}.multi-class-grid.split-overflow-view .multi-class-schedule-scroll{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}.multi-class-grid.split-overflow-view .multi-class-schedule{flex:1 1 auto;min-height:100%;height:100%;align-content:stretch;grid-auto-rows:minmax(var(--multi-row-height),1fr)}.multi-class-card{border:1px solid #e2e8f0;border-radius:16px;padding:var(--multi-class-card-padding, 10px);background:#fff;box-shadow:0 6px 16px #0f172a0f;display:flex;flex-direction:column;gap:var(--multi-class-card-gap, 6px);min-width:0;min-height:0;position:relative;overflow:hidden}.multi-class-grid.stretch-view .multi-class-card{height:100%;min-height:0}.multi-class-grid.single-row-view .multi-class-card{min-height:0}.multi-class-lock-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:flex-start;justify-content:center;padding-top:8px;background:#0f172a0f;z-index:3;pointer-events:none}.multi-class-lock-label{display:inline-flex;align-items:center;justify-content:center;min-height:20px;padding:0 8px;border-radius:999px;border:1px solid #cbd5e1;background:#f1f5f9;color:#475569;font-size:11px;font-weight:800;line-height:1;letter-spacing:.02em}.multi-class-title{display:flex;align-items:center;justify-content:space-between;gap:var(--multi-class-title-gap, 8px);font-size:var(--multi-class-title-font-size, 13px);font-weight:700;color:#0f172a}.multi-class-title-meta{display:inline-flex;align-items:center;gap:6px}.multi-class-search-count{display:inline-flex;align-items:center;justify-content:center;padding:1px 6px;border-radius:999px;border:1px solid #bfe6d3;background:#e6f6ee;color:#2e7a59;font-size:var(--multi-class-search-count-font-size, 10px);font-weight:700;line-height:1.3;white-space:nowrap}.multi-class-schedule{display:grid;gap:var(--multi-class-schedule-gap, 4px);--multi-row-height: var(--multi-class-row-height, 36px);grid-auto-rows:var(--multi-row-height);min-height:0}.multi-class-schedule-scroll{min-height:0}.multi-class-schedule-scroll.scrollable{max-height:calc((var(--multi-visible-row-count, 8) * var(--multi-row-height, 36px)) + ((var(--multi-visible-row-count, 8) - 1) * var(--multi-class-schedule-gap, 4px)));overflow-x:hidden;overflow-y:auto;padding-right:3px;scrollbar-width:thin}.multi-class-grid.single-row-view .multi-class-schedule-scroll{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;overflow-x:hidden;overflow-y:auto;padding-right:3px;scrollbar-width:thin}.multi-class-grid.stretch-view .multi-class-schedule{flex:1 1 auto;min-height:100%;height:100%;align-content:stretch;grid-auto-rows:minmax(var(--multi-row-height),1fr)}.multi-class-grid.single-row-view .multi-class-schedule{min-height:100%;align-content:stretch}.multi-class-grid.stretch-view .multi-class-schedule-scroll{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}.multi-class-grid.stretch-view{--multi-class-day-label-font-size: 11px;--multi-class-row-label-font-size: 10px;--multi-class-module-label-font-size: 10px;--multi-class-subject-font-size: 10px;--multi-class-teacher-font-size: 9px;--multi-class-empty-font-size: 9px;--multi-class-corner-title-font-size: 14px;--multi-class-corner-meta-font-size: 11px;--multi-class-corner-search-font-size: 10px}.multi-class-grid.cols-2.stretch-view{--multi-class-row-height: 40px;--multi-class-day-label-font-size: 13px;--multi-class-row-label-font-size: 12px;--multi-class-module-label-font-size: 10px;--multi-class-subject-font-size: 12px;--multi-class-teacher-font-size: 11px;--multi-class-empty-font-size: 11px;--multi-class-corner-title-font-size: 16px;--multi-class-corner-meta-font-size: 12px;--multi-class-corner-search-font-size: 11px}.multi-class-grid.compact-view{--multi-class-grid-gap: 12px;--multi-class-grid-margin-top: 10px;--multi-class-card-padding: 5px 8px 8px;--multi-class-card-gap: 3px;--multi-class-title-gap: 6px;--multi-class-title-font-size: 12px;--multi-class-search-count-font-size: 9px;--multi-class-schedule-gap: 3px;--multi-class-row-height: 30px;--multi-class-day-label-font-size: 8px;--multi-class-row-label-font-size: 8px;--multi-class-module-label-font-size: 8px;--multi-class-merged-font-size: 9px;--multi-class-subject-font-size: 8px;--multi-class-teacher-font-size: 7px;--multi-class-empty-font-size: 7px;--multi-class-corner-lock-size: 20px;--multi-class-corner-lock-icon-size: 12px;--multi-class-corner-title-font-size: 11px;--multi-class-corner-meta-font-size: 9px;--multi-class-corner-search-font-size: 8px;--multi-class-slot-lock-size: 13px;--multi-class-slot-lock-icon-size: 9px}.multi-day-label{display:flex;align-items:center;justify-content:center;padding:2px 4px;font-size:var(--multi-class-day-label-font-size, 9px);font-weight:700;color:#334155;text-align:center;height:100%}.multi-row-label{padding:1px 3px;font-weight:600;color:#475569;border-radius:10px;background:#f8fafc;border:1px solid #e2e8f0;display:flex;align-items:center;justify-content:center;text-align:center;font-size:var(--multi-class-row-label-font-size, 9px);line-height:1.2;height:100%}.multi-row-label.module-label{font-size:var(--multi-class-module-label-font-size, var(--multi-class-row-label-font-size, 9px))}.multi-corner{background:transparent;height:100%;display:flex;align-items:center;justify-content:center}.multi-corner-heading{justify-content:flex-start;gap:3px;min-width:0;padding:0 1px}.multi-corner-meta{min-width:0;display:inline-flex;align-items:center;justify-content:flex-start;gap:3px;flex-wrap:nowrap;overflow:hidden}.multi-corner-class-name{min-width:0;font-size:var(--multi-class-corner-title-font-size, 13px);font-weight:800;color:#0f172a;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 auto}.multi-corner-grade{font-size:var(--multi-class-corner-meta-font-size, 10px);font-weight:700;color:#94a3b8;line-height:1;white-space:nowrap;flex-shrink:0}.multi-corner-search-count{display:inline-flex;align-items:center;font-size:var(--multi-class-corner-search-font-size, 9px);font-weight:700;color:#2e7a59;line-height:1;white-space:nowrap;flex-shrink:0}.multi-corner-lock{width:var(--multi-class-corner-lock-size, 22px);height:var(--multi-class-corner-lock-size, 22px);flex-shrink:0;position:relative;z-index:4}.multi-corner-lock .icon{width:var(--multi-class-corner-lock-icon-size, 13px);height:var(--multi-class-corner-lock-icon-size, 13px)}.multi-corner-lock:disabled{cursor:not-allowed;opacity:.55}.multi-corner-lock:disabled:hover{transform:none}.multi-slot-cell{min-height:var(--multi-row-height);height:100%;padding:1px;border-radius:10px;border:1px dashed #e2e8f0;background:#f8fafc;position:relative;box-sizing:border-box;display:flex;align-items:stretch;justify-content:stretch;cursor:default}.multi-slot-cell.locked{border-color:#fdba74;background:#fff7ed}.multi-slot-cell.drag-over{border-color:#8ccfaf;background:#e6f6ee}.multi-slot-cell.disabled{min-height:28px;font-size:9px;background:#f1f5f9;color:#cbd5e1;border-style:solid;cursor:not-allowed}.multi-day-off-cell,.multi-merged-slot-cell{min-height:0;border-radius:10px;border:1px dashed #cbd5e1;background:transparent;color:#475569;font-size:var(--multi-class-merged-font-size, 10px);font-weight:700;line-height:1.3;text-align:center;display:flex;align-items:center;justify-content:center;padding:6px 4px;box-sizing:border-box}.multi-day-off-cell.clickable,.multi-merged-slot-cell.clickable{cursor:pointer}.multi-day-off-cell.clickable:hover,.multi-merged-slot-cell.clickable:hover{border-color:#94a3b8}.multi-day-off-cell.locked,.multi-merged-slot-cell.locked{border-color:#0f766e59;background:#ecfeffeb;color:#0f766e}.multi-slot-card{min-height:20px;background:#fff;border:1px solid #e2e8f0;box-shadow:none;border-radius:8px;padding:1px 2px;gap:1px;align-items:center;justify-content:center;text-align:center;display:flex;flex-direction:column;width:100%;height:100%;flex:1 1 auto;overflow:hidden;box-sizing:border-box;cursor:grab;transition:transform .12s ease,box-shadow .12s ease,opacity .12s ease;will-change:transform}.multi-slot-card.locked{border-color:#fdba74;background:#fffaf0}.multi-slot-card-empty{background:transparent;border-style:dashed}.multi-slot-cell.readonly .multi-slot-card{cursor:default}.multi-slot-card.is-dragging{transform:translateY(-2px) rotate(-2deg);box-shadow:0 8px 18px #0f172a29;opacity:.9;cursor:grabbing}.multi-slot-card.swap-animate{animation:slotSwap .42s ease}.multi-slot-card.search-highlight{border-color:#2f7d5b;box-shadow:0 0 0 2px #5ab58d42}.multi-slot-card.search-dimmed{border-color:#cbd5e1;opacity:.42;filter:grayscale(.72) saturate(.45);box-shadow:none}.subject-badge.multi-subject-badge{padding:1px 4px;font-size:var(--multi-class-subject-font-size, 9px);font-weight:700;line-height:1.05;min-height:16px;max-width:calc(100% - 2px);flex-shrink:0;letter-spacing:.01em}.multi-slot-teacher{font-size:var(--multi-class-teacher-font-size, 8px);color:#475569;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.multi-slot-footer{display:inline-flex;align-items:center;justify-content:center;gap:2px;max-width:100%}.multi-slot-detail-button{width:12px;height:12px;border-radius:4px;border:none;background:transparent;color:#64748b;display:inline-flex;align-items:center;justify-content:center;padding:0;cursor:pointer;flex-shrink:0;transition:color .15s ease}.multi-slot-detail-button .icon{width:9px;height:9px}.multi-slot-detail-button:hover{color:#2f7d5b}.multi-slot-lock-button{position:absolute;top:2px;right:2px;width:var(--multi-class-slot-lock-size, 14px);height:var(--multi-class-slot-lock-size, 14px);border-radius:5px;border:none;background:transparent;color:#94a3b8;display:inline-flex;align-items:center;justify-content:center;padding:0;cursor:pointer;transition:color .15s ease,background .15s ease;z-index:2}.multi-slot-lock-button .icon{width:var(--multi-class-slot-lock-icon-size, 10px);height:var(--multi-class-slot-lock-icon-size, 10px)}.multi-slot-lock-button.locked{color:#b45309;background:#ffedd5e6}.multi-slot-lock-button:hover{color:#b45309}.multi-slot-lock-button:disabled{cursor:not-allowed;opacity:.55}.multi-slot-empty{font-size:var(--multi-class-empty-font-size, 8px);color:#94a3b8;font-weight:600}@media (max-height: 880px){.multi-class-grid.stretch-view{--multi-class-grid-gap: 12px;--multi-class-grid-margin-top: 10px;--multi-class-card-padding: 6px 8px 8px;--multi-class-card-gap: 4px;--multi-class-title-gap: 6px;--multi-class-search-count-font-size: 9px;--multi-class-schedule-gap: 3px;--multi-class-row-height: 32px;--multi-class-day-label-font-size: 9px;--multi-class-row-label-font-size: 9px;--multi-class-module-label-font-size: 8px;--multi-class-merged-font-size: 9px;--multi-class-subject-font-size: 9px;--multi-class-teacher-font-size: 8px;--multi-class-empty-font-size: 8px;--multi-class-corner-title-font-size: 12px;--multi-class-corner-meta-font-size: 10px;--multi-class-corner-search-font-size: 9px}.multi-class-grid.compact-view{--multi-class-row-height: 28px;--multi-class-day-label-font-size: 8px;--multi-class-row-label-font-size: 8px;--multi-class-module-label-font-size: 8px;--multi-class-subject-font-size: 8px;--multi-class-teacher-font-size: 7px;--multi-class-empty-font-size: 7px}}@media (max-width: 1200px){.multi-class-grid.cols-3,.multi-class-grid.cols-2{grid-template-columns:repeat(2,minmax(220px,1fr))}.multi-class-grid.cols-1{grid-template-columns:minmax(220px,1fr)}}@media (max-width: 820px){.multi-class-grid.cols-1,.multi-class-grid.cols-2,.multi-class-grid.cols-3{grid-template-columns:1fr}}.week-controls{display:flex;align-items:center;justify-content:center;gap:6px;width:100%}.class-excel-copy-trigger{border:none;background:#fff;color:#0f172a;border-radius:10px;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:border-color .15s ease,background .15s ease,color .15s ease}.class-excel-copy-trigger .icon{width:14px;height:14px}.class-excel-copy-trigger:hover{background:#edf8f2;color:#2f7d5b}.class-excel-copy-trigger:disabled{background:#e2e8f0;color:#64748b;cursor:not-allowed}.week-controls.multi-week-controls{--multi-control-height: 36px;justify-content:flex-start;gap:8px;flex-wrap:nowrap}.multi-controls-left{display:flex;align-items:center;gap:16px;flex-wrap:nowrap;min-width:0;flex:1 1 auto;overflow:hidden}.multi-grade-filter,.multi-display-filter{display:inline-flex;align-items:center;gap:6px}.multi-display-toggle{display:inline-flex;align-items:center;gap:0;width:132px;min-width:132px;border:1px solid #cbd5e1;border-radius:10px;overflow:hidden;background:#fff}.multi-display-toggle-button{flex:1 1 0;min-width:0;min-height:var(--multi-control-height);height:var(--multi-control-height);border:none;background:transparent;color:#475569;padding:0 10px;font-size:11px;font-weight:700;line-height:1;white-space:nowrap;cursor:pointer;transition:background .15s ease,color .15s ease}.multi-display-toggle-button+.multi-display-toggle-button{border-left:1px solid #e2e8f0}.multi-display-toggle-button.active{background:#edf8f2;color:#2f7d5b}.multi-display-toggle-button:hover{background:#f8fafc}.multi-class-filter{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;min-width:0;flex:1 1 auto;overflow:hidden}.multi-controls-right{margin-left:auto;display:inline-flex;align-items:center;gap:8px;flex-shrink:0}.multi-excel-copy-trigger{border:1px solid #cbd5e1;background:#fff;color:#0f172a;border-radius:10px;min-height:var(--multi-control-height);height:var(--multi-control-height);width:var(--multi-control-height);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:border-color .15s ease,background .15s ease,color .15s ease}.multi-excel-copy-trigger .icon{width:14px;height:14px}.multi-excel-copy-trigger:hover{border-color:#9ed3ba;background:#edf8f2;color:#2f7d5b}.multi-excel-copy-trigger:disabled{border-color:#cbd5e1;background:#e2e8f0;color:#64748b;cursor:not-allowed}.multi-lock-all-toggle{width:var(--multi-control-height);min-height:var(--multi-control-height);height:var(--multi-control-height);padding:0;border-radius:10px;gap:0;border:1px solid #cbd5e1;background:#fff;color:#0f172a;box-shadow:none}.multi-lock-all-toggle .icon{width:14px;height:14px}.multi-lock-all-toggle:hover{transform:none;border-color:#9ed3ba;background:#edf8f2;color:#2f7d5b}.multi-search-count{min-height:var(--multi-control-height);display:inline-flex;align-items:center;justify-content:center;padding:0 8px;font-size:11px;font-weight:700;color:#475569;border:1px solid #cbd5e1;border-radius:8px;background:#f8fafc;white-space:nowrap}.multi-search-input{min-height:var(--multi-control-height);height:var(--multi-control-height);min-width:180px;padding:0 10px;font-size:12px;box-sizing:border-box}.multi-auto-assign-trigger{margin-left:0;flex-shrink:0;min-height:var(--multi-control-height);height:var(--multi-control-height);padding:0 10px;line-height:1}.multi-week-delete-trigger{border:1px solid #9ed3ba;background:#edf8f2;color:#1f5f46;border-radius:10px;min-height:var(--multi-control-height);height:var(--multi-control-height);padding:0 10px;display:inline-flex;align-items:center;justify-content:center;gap:4px;font-size:11px;font-weight:700;line-height:1;white-space:nowrap;cursor:pointer;flex-shrink:0;transition:border-color .15s ease,background .15s ease,color .15s ease}.multi-week-delete-trigger .icon{width:12px;height:12px}.multi-week-delete-trigger:hover{border-color:#5ab58d;background:#e6f6ee;color:#2f7659}.multi-week-delete-trigger:disabled{border-color:#cbd5e1;background:#e2e8f0;color:#64748b;cursor:not-allowed}.multi-filter-label{font-size:12px;font-weight:700;color:#475569;white-space:nowrap}.multi-grade-select{min-height:var(--multi-control-height);height:var(--multi-control-height);padding:0 8px;font-size:12px;box-sizing:border-box}.multi-class-select-toggle{min-height:var(--multi-control-height);height:var(--multi-control-height);padding:0 10px;font-size:11px;font-weight:700;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;flex-shrink:0}.multi-class-select-toggle:hover{transform:none}.multi-class-badges{display:flex;align-items:center;justify-content:flex-start;gap:6px;flex-wrap:nowrap;flex:1 1 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