.notification-item{transition:background-color .2s}.notification-item.unread{background-color:#e6f7ff}.notification-item:hover{background-color:#f5f5f5}.notification-item.unread:hover{background-color:#d9f0ff}.availability-grid{border:1px solid #d9d9d9;border-radius:4px;overflow:hidden}.availability-grid-header{display:grid;grid-template-columns:100px repeat(7,1fr);background-color:#fafafa;border-bottom:1px solid #d9d9d9}.availability-grid-row{display:grid;grid-template-columns:100px repeat(7,1fr);border-bottom:1px solid #f0f0f0}.availability-grid-row:last-child{border-bottom:none}.header-cell{padding:12px 8px;text-align:center;font-weight:600;border-right:1px solid #f0f0f0}.header-cell:last-child{border-right:none}.row-header{padding:12px 8px;text-align:center;font-weight:500;background-color:#fafafa;border-right:1px solid #d9d9d9;display:flex;align-items:center;justify-content:center}.grid-cell{padding:4px;border-right:1px solid #f0f0f0;display:flex;align-items:center;justify-content:center}.grid-cell:last-child{border-right:none}.availability-cell{width:100%;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:4px;transition:all .3s;font-size:18px}.availability-cell.read-only{cursor:default}.availability-cell.available{background-color:#f6ffed;border:2px solid #b7eb8f;color:#52c41a}.availability-cell.available:hover{background-color:#d9f7be;border-color:#52c41a}.availability-cell.read-only.available:hover{background-color:#f6ffed;border-color:#b7eb8f}.availability-cell.unavailable{background-color:#fff2f0;border:2px solid #ffccc7;color:#ff4d4f}.availability-cell.fixed-schedule,.availability-cell.self-study{background-color:#fff7e6;border:2px solid #ffd591;color:#fa8c16}.availability-cell.physical-training{background-color:#fff1f0;border:2px solid #ff9c6e;color:#d46b08}.availability-cell.conflict{background:linear-gradient(135deg,#fff2f0,#fff2f0 45%,#fff7e6 55%,#fff7e6);border:2px solid #9254de;color:#722ed1}.availability-cell.unavailable:hover{background-color:#ffccc7;border-color:#ff4d4f}.availability-cell.fixed-schedule:hover,.availability-cell.self-study:hover{background-color:#ffe7ba;border-color:#fa8c16}.availability-cell.physical-training:hover{background-color:#ffd8bf;border-color:#d46b08}.availability-cell.conflict:hover{border-color:#722ed1;background:linear-gradient(135deg,#ffd8d2,#ffd8d2 45%,#ffe7ba 55%,#ffe7ba)}.availability-cell.read-only.unavailable:hover{background-color:#fff2f0;border-color:#ffccc7}.availability-cell.selected{box-shadow:0 0 0 3px #1890ff47}.teacher-availability-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}.teacher-availability-sidepanel{border:1px solid #f0f0f0;border-radius:8px;padding:16px;background:#fafafa;min-height:420px}.teacher-availability-panel-title{font-size:16px;font-weight:600;margin-bottom:12px}.teacher-availability-records{display:flex;flex-direction:column;gap:12px}.teacher-availability-record-item{display:flex;justify-content:space-between;gap:12px;padding:12px;border-radius:8px;background:#fff;border:1px solid #f0f0f0}.teacher-availability-record-item>div:first-child{min-width:0;flex:1}.teacher-availability-record-title{font-weight:600;margin-bottom:4px}.teacher-availability-record-meta{color:#666;font-size:12px;line-height:1.6;word-break:break-word}.teacher-availability-blocked-tag{max-width:160px;white-space:normal;line-height:1.5;padding:6px 8px;display:inline-flex;align-items:center}.teacher-availability-empty{color:#666;line-height:1.7}@media (max-width: 960px){.teacher-availability-layout{grid-template-columns:1fr}.teacher-availability-sidepanel{min-height:auto}}.timetable-scroll-shell{--timetable-top-scrollbar-height: 20px;--timetable-sticky-top: 0px;--timetable-header-top: 0px;width:100%;overflow:visible}.timetable-scroll-shell.has-top-scrollbar{--timetable-header-top: var(--timetable-top-scrollbar-height)}.timetable-top-scrollbar{position:sticky;top:var(--timetable-sticky-top);z-index:40;height:var(--timetable-top-scrollbar-height);overflow-x:auto;overflow-y:hidden;background:#fff;border-bottom:1px solid #f0f0f0}.timetable-scroll-shell.has-fixed-layer .timetable-top-scrollbar{visibility:hidden}.timetable-fixed-top-scrollbar{position:fixed;z-index:90;height:var(--timetable-top-scrollbar-height);overflow-x:auto;overflow-y:hidden;background:#fff;border:1px solid #f0f0f0;border-top:0;box-shadow:0 2px 8px #00000014}.timetable-fixed-header{position:fixed;z-index:85;overflow:hidden;pointer-events:none;background:#fff;border-left:1px solid #f0f0f0;border-right:1px solid #f0f0f0;box-shadow:0 4px 10px #0000000f}.timetable-fixed-header-inner{will-change:transform}.timetable-fixed-header-table{margin:0}.timetable-fixed-header-table thead th{position:static}.timetable-fixed-header-table tbody{display:none}.timetable-body-scrollbar{width:100%;overflow-x:auto;overflow-y:visible}.timetable-scroll-content{min-width:100%}.timetable-container{background:#fff;border-radius:8px;overflow:visible}.timetable-header{padding:16px;border-bottom:1px solid #f0f0f0;display:flex;justify-content:space-between;align-items:center}.timetable-header .entity-name{font-size:18px;font-weight:600;color:#1f1f1f}.timetable-header .view-type{font-size:14px;color:#8c8c8c}.timetable-grid{width:100%;border-collapse:collapse;table-layout:fixed}.timetable-grid th,.timetable-grid td{border:1px solid #f0f0f0;text-align:center;vertical-align:top}.timetable-grid th{background:#fafafa;padding:12px 8px;font-weight:500;color:#595959;position:sticky;top:var(--timetable-header-top, 0px);z-index:20}.time-header{width:100px;left:0;z-index:35!important}.day-header{width:calc((100% - 100px)/5)}.time-cell{background:#fafafa;padding:8px;vertical-align:middle!important;position:sticky;left:0;z-index:15}.period-label{font-weight:500;color:#262626;font-size:14px}.period-time{font-size:12px;color:#8c8c8c;margin-top:2px}.timetable-cell{padding:4px;min-height:80px;position:relative;cursor:pointer;transition:background-color .2s}.timetable-cell:hover{background-color:#f5f5f5}.timetable-cell.disabled{cursor:not-allowed;background:#f5f5f5;color:#00000059}.timetable-cell.disabled:hover{background:#f5f5f5}.timetable-cell.disabled .course-card{cursor:not-allowed;opacity:.55;filter:grayscale(.7)}.cell-disabled-label{display:inline-flex;align-items:center;justify-content:center;min-height:24px;color:#00000059;font-size:12px}.timetable-cell.conflict{background-color:#fff1b8!important;border:2px solid #fa8c16!important;box-shadow:inset 0 0 0 2px #ffd591,0 0 0 1px #fa8c162e}.timetable-cell.conflict .course-card{box-shadow:0 0 0 2px #fa8c16,0 4px 12px #fa8c163d}.timetable-cell.multiple{background-color:#fffbe6}.empty-cell{min-height:60px}.course-card{padding:8px 8px 20px;border-radius:4px;margin-bottom:4px;cursor:pointer;transition:all .2s;position:relative}.course-card:hover{transform:translateY(-1px);box-shadow:0 2px 8px #0000001a}.course-card:last-child{margin-bottom:0}.course-subject{font-weight:600;font-size:13px;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.course-teacher,.course-classroom{font-size:11px;color:#8c8c8c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.course-status-tags{position:absolute;bottom:2px;right:2px;left:4px;display:flex;justify-content:flex-end;gap:2px;overflow:hidden}.course-status-tag{flex:0 1 auto;min-width:42px;max-width:calc(100% - 4px);font-size:10px;padding:0 6px;line-height:16px;margin-inline-end:0;overflow:hidden;text-overflow:ellipsis;text-align:center}.multiple-indicator{position:absolute;bottom:2px;right:2px;background:#ff4d4f;color:#fff;font-size:10px;padding:0 4px;border-radius:2px;line-height:16px}.timetable-cell.drag-over{background-color:#e6f7ff!important;border-color:#91d5ff!important}.course-card.dragging{opacity:.5}@media (max-width: 768px){.timetable-grid th,.timetable-grid td{padding:4px 2px}.course-card{padding:4px}.course-subject{font-size:11px}.course-teacher,.course-classroom{display:none}.time-header{width:60px}.period-time{display:none}}.grade-period-overview-table .empty-classroom-row{background-color:#fafafa}.grade-period-overview-table .empty-classroom-row:hover>td{background-color:#f0f0f0!important}.grade-period-overview-table .ant-table-tbody>tr>td{padding:8px 12px}.grade-period-overview-table .ant-table-thead>tr>th{background-color:#fafafa;font-weight:600;padding:10px 12px}.empty-classroom-row .ant-tag{opacity:.8}.schedule-adjustment-side-panel{position:sticky;top:72px;z-index:10}.schedule-adjustment-operation-card .ant-card-body{padding-top:8px}.schedule-adjustment-operation-card .ant-tabs-nav{margin-bottom:8px}.schedule-adjustment-operation-summary{display:block;width:100%;max-width:100%;white-space:normal;line-height:1.6;margin-inline-end:0;overflow-wrap:anywhere;box-sizing:border-box}.schedule-adjustment-summary-card{display:flex;flex-direction:column;gap:10px;width:100%;padding:10px;border:1px solid #d6e4ff;border-radius:10px;background:#f8fbff;box-sizing:border-box}.schedule-adjustment-summary-header{display:flex;align-items:center;gap:8px;color:#000000bf;font-weight:600}.schedule-adjustment-summary-date{margin-inline-end:0}.schedule-adjustment-summary-swap-grid{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px;align-items:stretch}.schedule-adjustment-summary-course-card{min-width:0;padding:10px;border:1px solid #e6f4ff;border-radius:8px;background:#fff;box-shadow:0 1px 3px #1677ff14}.schedule-adjustment-summary-card-title{margin-bottom:4px;color:#1677ff;font-size:12px;font-weight:600}.schedule-adjustment-summary-subject{margin-bottom:6px;color:#000000e0;font-size:15px;font-weight:700;overflow-wrap:anywhere}.schedule-adjustment-summary-line,.schedule-adjustment-summary-slot{color:#0000009e;font-size:12px;line-height:1.5;overflow-wrap:anywhere}.schedule-adjustment-summary-slot{margin-top:4px;color:#000000c7;font-weight:600}.schedule-adjustment-summary-arrow{display:flex;align-items:center;justify-content:center;color:#1677ff;font-size:12px;font-weight:600;white-space:nowrap}.schedule-adjustment-summary-course-card-empty{display:flex;align-items:center;justify-content:center;min-height:104px;color:#00000073;border-style:dashed;background:#fafafa;text-align:center}.schedule-adjustment-panel-tag{display:block;width:100%;max-width:100%;white-space:normal;line-height:1.6;margin-inline-end:0;overflow-wrap:anywhere;box-sizing:border-box}.schedule-adjustment-recommendation-group{display:flex;flex-direction:column;gap:8px;width:100%}.schedule-adjustment-recommendation-title{font-weight:600}.schedule-adjustment-recommendation-loading{display:flex;flex-direction:column;gap:6px;padding:8px 10px;border:1px solid #d6e4ff;border-radius:6px;background:#f0f5ff;color:#1677ff;font-size:12px}.schedule-adjustment-preview-loading{display:flex;flex-direction:column;gap:8px;width:100%;padding:10px 12px;border:1px solid #d6e4ff;border-radius:8px;background:linear-gradient(180deg,#f0f5ff,#fff);box-sizing:border-box}.schedule-adjustment-preview-loading-title{color:#1677ff;font-weight:600}.schedule-adjustment-preview-loading-step{position:relative;padding-left:16px;color:#000000a6;font-size:12px;line-height:1.6}.schedule-adjustment-preview-loading-step:before{position:absolute;top:8px;left:2px;width:6px;height:6px;border-radius:50%;background:#1677ff;content:"";animation:schedule-adjustment-preview-pulse 1.2s ease-in-out infinite}.schedule-adjustment-preview-loading-step:nth-child(2):before{animation-delay:.2s}.schedule-adjustment-preview-loading-step:nth-child(3):before{animation-delay:.4s}@keyframes schedule-adjustment-preview-pulse{0%,to{opacity:.35;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}.schedule-adjustment-muted{color:#00000073;font-size:12px;white-space:normal}.schedule-adjustment-swap-recommendation{height:auto;justify-content:flex-start;padding-top:6px;padding-bottom:6px;white-space:normal;text-align:left}.schedule-adjustment-swap-recommendation>span{display:flex;flex-direction:column;align-items:flex-start;gap:2px}@media (max-width: 1199px){.schedule-adjustment-side-panel{position:static}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.ant-modal-header{border-bottom:1px solid #f0f0f0!important;padding-bottom:12px!important;margin-bottom:0!important}.ant-modal-body{padding-top:16px!important;padding-bottom:16px!important}.ant-modal-footer{border-top:1px solid #f0f0f0!important;padding-top:12px!important;margin-top:0!important}