.open-timetable-operations{margin-top:14px;padding:10px 16px;border:1px solid #b8d7e4;border-radius:8px;background:#f0f8fa;color:#123b59;font-size:14px;font-weight:700}
.session-operation-form{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;min-width:0}
.session-operation-form>label,.session-selection{min-width:0;max-width:100%;overflow-wrap:anywhere}
.session-selection table{width:100%;min-width:530px;border-collapse:collapse;font-size:12px}
.session-selection th,.session-selection td{padding:8px;text-align:left;border-bottom:1px solid #e0e8f0}
.session-selection th{background:#f4f7fa;position:sticky;top:0}
.session-selection small{display:block;color:#62768b;font-size:11px}
.session-selection input[type=checkbox],.session-confirm-check input{width:16px;height:16px;accent-color:#087f78}
.session-confirm-check{display:flex;align-items:center;gap:8px;font-weight:400!important}
.operations-tabs:has([data-operations-tab=teacher-assignment]) button{white-space:normal;line-height:1.3;min-width:0}
@media(max-width:480px){.operations-tabs:has([data-operations-tab=teacher-assignment]){display:grid;grid-template-columns:1fr 1fr}.session-operation-form textarea{height:58px}}
.vacant-session-form{display:grid;gap:12px;min-width:0}
.vacant-slot-summary{display:grid;gap:4px;margin-bottom:14px;padding:10px 12px;border-left:3px solid #087f78;background:#f0f8f7;font-size:13px;overflow-wrap:anywhere}
.vacant-slot-summary span{color:#587086}
.vacant-session-form textarea{height:58px;resize:vertical}
.vacant-feedback{margin-top:12px;font-size:13px;color:#08766f;line-height:1.5;overflow-wrap:anywhere}
.vacant-feedback:empty{display:none}
.vacant-feedback.has-error{color:#b42318;background:#fff5f4;padding:9px 12px;border-radius:8px}
.vacant-preview h3{font-size:14px;margin:14px 0 8px;display:flex;justify-content:space-between;gap:10px}
.vacant-preview h3 span{font-size:12px;font-weight:400;color:#59718a}
.vacant-preview-scroll{max-height:220px;overflow:auto;border:1px solid #dce5ef;border-radius:8px}
.vacant-preview table{width:100%;border-collapse:collapse;font-size:12px;min-width:540px}
.vacant-preview th,.vacant-preview td{padding:8px 10px;text-align:left;border-bottom:1px solid #e0e8f0;white-space:normal;color:#244561}
.vacant-preview th{background:#f4f7fa;position:sticky;top:0}
.vacant-preview small{display:block;font-size:11px;color:#62768b;margin-top:3px}
.vacant-preview p{font-size:12px;line-height:1.5;color:#61758f;margin:8px 0 0}
@media(max-width:480px){.vacant-session-form .operations-field-row{grid-template-columns:1fr}.vacant-session-editor{min-width:0}.timetable-operations-dialog .operations-dialog-footer:has([data-vacant-confirm]){flex-wrap:wrap;padding:10px 12px}.operations-dialog-footer [data-vacant-confirm]{flex:1;white-space:normal}}
.timetable-operations-dialog{width:min(760px,calc(100vw - 32px));max-width:none;max-height:min(650px,calc(100dvh - 40px));padding:0;border:1px solid #dbe4ee;border-radius:14px;color:#183853;background:#fff;box-shadow:0 24px 80px #122f4550;overflow:hidden}
.timetable-operations-dialog[open]{display:flex;flex-direction:column}
.timetable-operations-dialog::backdrop{background:#17375177}
.operations-dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:14px 20px 12px;border-bottom:1px solid #e0e8f0;background:#fff;flex:none}
.operations-dialog-heading h2{margin:0;color:#123357;font-size:21px;line-height:1.3;font-weight:700}
.operations-dialog-heading p{margin:6px 0 0;color:#61758f;font-size:14px}
.timetable-operations-dialog .operations-close{flex:none;width:36px;height:36px;min-height:36px;padding:0;background:#f2f5f9;color:#244561;border:0;border-radius:9px;font-size:27px;line-height:1}
.operations-tabs{display:flex;gap:4px;padding:0 20px;border-bottom:1px solid #e0e8f0;background:#fff;flex:none}
.operations-tabs button{flex:1;border:0;border-bottom:3px solid transparent;border-radius:0;background:#fff;color:#61738b;font-size:14px;font-weight:650;padding:10px 6px;min-height:42px;white-space:nowrap}
.operations-tabs button[aria-selected=true]{border-bottom-color:#087f78;color:#087f78;background:#f7fbfa}
.operations-dialog-content{overflow:auto;overscroll-behavior:contain;padding:16px 20px;min-height:0}
.timetable-operations-dialog .tkb-operations{display:flex;flex-direction:column;min-height:0;border:0;margin:0;background:#fff;overflow:hidden}
.timetable-operations-dialog .tkb-operations>summary{display:none}
.timetable-operations-dialog .tkb-operation-body{display:flex;flex-direction:column;min-height:0;padding:0;overflow:hidden}
.timetable-operations-dialog [hidden]{display:none!important}
.timetable-operations-dialog .operation-supplemental-scheduler{margin:0;padding:0;border:0;background:#fff}
.timetable-operations-dialog .operation-absence-editor,.timetable-operations-dialog .operation-supplemental-list{margin:0;padding:0;border:0}
.timetable-operations-dialog .supplemental-form-grid{grid-template-columns:minmax(0,1fr);gap:8px}
.timetable-operations-dialog .tkb-operation-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px}
.operations-field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px;min-width:0}
.operations-date-row{grid-template-columns:1.2fr 1fr .8fr}
.operations-field-row>label{min-width:0}
.timetable-operations-dialog .operations-source-summary{margin:0;color:#48627a;font-size:12px;line-height:1.4;overflow-wrap:anywhere}
.operations-extra-assignment{border:1px solid #e0e8f0;border-radius:8px;background:#fafcfe;min-width:0}
.operations-extra-assignment>summary{padding:6px 10px;cursor:pointer;color:#355b79;font-size:13px;font-weight:650}
.operations-extra-assignment>summary span{font-size:12px;font-weight:400}
.operations-extra-assignment>.operations-field-row{padding:0 10px 10px}
.operations-extra-assignment>summary:focus-visible{outline:3px solid #63b9e7;outline-offset:2px;border-radius:6px}
.timetable-operations-dialog label{font-size:13px;line-height:1.35;font-weight:650}
.timetable-operations-dialog input:not([type=checkbox]),.timetable-operations-dialog select,.timetable-operations-dialog textarea{width:100%;font-size:14px;font-weight:400;min-height:38px;max-width:100%;margin-top:3px;padding:7px 10px;border:1px solid #bdcde0;border-radius:7px;color:#244561;background:#fff;box-sizing:border-box}
.timetable-operations-dialog input:not([type=checkbox]),.timetable-operations-dialog select{height:38px}
.timetable-operations-dialog .supplemental-form-grid textarea{height:48px;resize:vertical}
.timetable-operations-dialog input[readonly]{background:#f3f6fa;color:#52697d}
.timetable-operations-dialog .operation-supplemental-scheduler>.supplemental-head,.timetable-operations-dialog .operation-absence-editor>.supplemental-head{display:none}
.timetable-operations-dialog .supplemental-check-result{margin-top:9px;padding:7px 10px;scroll-margin-block:8px}
.timetable-operations-dialog .operation-absence-head{align-items:center;flex-direction:row}
.timetable-operations-dialog .operation-absence-head small{display:none}
.timetable-operations-dialog .operation-absence-head strong{font-size:14px}
.timetable-operations-dialog .tkb-session-detail{min-height:0;padding:10px;font-size:12px}
.timetable-operations-dialog .tkb-session-detail-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px 12px}
.timetable-operations-dialog .tkb-operation-note{padding:8px 10px;font-size:12px}
.timetable-operations-dialog .operation-absence-item{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) 132px;gap:8px 12px;padding:10px;align-items:center;background:#fff;border:0;border-bottom:1px solid #e0e8f0;border-radius:0}
.timetable-operations-dialog .operation-absence-info strong{font-size:13px;overflow-wrap:anywhere}
.timetable-operations-dialog .operation-absence-item label{min-width:0}
.timetable-operations-dialog [data-absence-other-wrap]{grid-column:1/3;grid-row:2}
.timetable-operations-dialog .operation-absence-actions{grid-column:3;grid-row:1/3;justify-content:center;flex-direction:column;gap:6px}
.timetable-operations-dialog .operation-absence-actions button{height:32px;min-height:32px;padding:4px 6px;font-size:12px}
.timetable-operations-dialog .operation-absence-list,.timetable-operations-dialog .supplemental-session-list{gap:0;border:1px solid #e0e8f0;border-radius:9px;overflow:hidden}
.timetable-operations-dialog .supplemental-session-item{grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:10px 12px;border:0;border-bottom:1px solid #e0e8f0;border-radius:0;gap:4px 12px}
.timetable-operations-dialog .supplemental-session-item:last-child,.timetable-operations-dialog .operation-absence-item:last-child{border-bottom:0}
.timetable-operations-dialog .supplemental-session-item strong{font-size:14px;overflow-wrap:anywhere}
.timetable-operations-dialog .makeup-delete-button{background:#fff4f3;color:#b42318;border:1px solid #f0aaa4;border-radius:8px;font-size:13px;font-weight:650;padding:9px 12px;min-height:40px}
.timetable-operations-dialog .makeup-delete-button:disabled{opacity:.5;cursor:not-allowed}
.operations-dialog-footer{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:12px 20px;border-top:1px solid #e0e8f0;background:#fff;flex:none}
.operations-dialog-footer button{font-size:13px;min-height:38px;padding:8px 14px;border-radius:7px}
.operations-dialog-footer .tkb-operation-actions{margin:0;display:flex;flex-direction:row;gap:8px}
.operations-dialog-footer .operations-done{margin-right:auto}
.makeup-confirm-dialog{width:min(560px,calc(100vw - 32px))}
.makeup-confirm-dialog form{display:flex;flex-direction:column;max-height:calc(100dvh - 42px);min-height:0;margin:0}
.makeup-confirm-body{padding:20px 24px;overflow:auto}
.makeup-confirm-body p{font-size:14px;line-height:1.55;margin:8px 0 16px}
.makeup-confirm-body textarea{display:block;margin-top:6px;resize:vertical}
.makeup-confirm-body .makeup-safety-note{padding:12px;border:1px solid #efd2a1;border-radius:8px;background:#fff9ee;color:#735319}
.makeup-confirm-body .makeup-confirm-check{display:flex;align-items:flex-start;gap:8px;font-weight:500;font-size:14px}
.makeup-confirm-check input{width:17px;height:17px;min-height:17px;margin:3px 0 0;flex:none;accent-color:#087f78}
.makeup-delete-error{color:#b42318}
.timetable-operations-dialog button:focus-visible{outline:3px solid #63b9e7;outline-offset:2px}
@media(max-width:600px){
 .timetable-operations-dialog{width:calc(100vw - 16px);max-height:calc(100dvh - 16px);border-radius:12px}
 .operations-dialog-heading{padding:14px}.operations-dialog-heading h2{font-size:19px}.operations-dialog-heading p{font-size:12px}
 .operations-tabs{padding:0 6px;gap:0}.operations-tabs button{min-width:0;font-size:12px;padding:10px 3px;white-space:normal;line-height:1.35}
 .operations-dialog-content,.makeup-confirm-body{padding:14px}.operations-dialog-footer{padding:10px 12px;flex-wrap:wrap}
 .operations-dialog-footer>.tkb-operation-actions{flex-wrap:wrap;justify-content:flex-end;max-width:100%;gap:6px}
 .operations-dialog-footer button{font-size:12px;padding:8px 10px}
 .timetable-operations-dialog .supplemental-form-grid,.timetable-operations-dialog .tkb-operation-grid,.timetable-operations-dialog .operation-absence-item,.operations-field-row{grid-template-columns:minmax(0,1fr)}
 .timetable-operations-dialog .tkb-session-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .timetable-operations-dialog .operation-absence-actions{grid-column:1;grid-row:auto;flex-direction:row;justify-content:flex-end;flex-wrap:wrap}
 .timetable-operations-dialog [data-absence-other-wrap]{grid-column:1;grid-row:auto}
 .timetable-operations-dialog .supplemental-session-item{grid-template-columns:minmax(0,1fr)}.makeup-delete-button{justify-self:start}
 .makeup-confirm-dialog form{max-height:calc(100dvh - 18px)}
}
.operation-move-chooser{padding:0 0 16px;border-bottom:1px solid #dce6ed;margin-bottom:16px}
.operation-move-chooser .operations-field-row{margin:12px 0}
.move-session-form{display:grid;gap:14px}
.move-session-form label{display:flex;flex-direction:column;gap:6px;min-width:0}
.move-session-form label:has(textarea){display:block}
.move-session-form textarea{display:block;margin-top:6px}
.move-session-form input,.move-session-form select,.move-session-form textarea{width:100%;min-width:0;box-sizing:border-box}
.move-assignment-details{border:1px solid #dce6ed;border-radius:8px;padding:10px 12px}
.move-assignment-details summary{cursor:pointer;font-weight:600;color:#315c6b}
.move-assignment-details fieldset{border:0;margin:12px 0 0;padding:0;min-width:0}
.move-assignment-details legend{font-weight:600;margin-bottom:8px}
.move-session-note{font-size:13px;line-height:1.5;color:#52697a;margin:0}
.move-session-form .move-day-exception{flex-direction:row;align-items:flex-start;gap:8px;padding:10px 12px;border:1px solid #ead6b0;border-radius:8px;background:#fffaf1;font-weight:500}
.move-session-form .move-day-exception input{width:16px;height:16px;margin:2px 0 0;flex:none;accent-color:#087f78}
.move-day-exception small{display:block;margin-top:4px;font-size:12px;font-weight:400;color:#61758f}
.vacant-preview .move-day-exception-summary{color:#89590d}
@media(max-width:600px){.operation-move-chooser .operations-field-row,.move-session-editor .operations-field-row{grid-template-columns:1fr}.move-session-editor+.operations-dialog-footer{flex-wrap:wrap}}
@media(max-width:600px){.move-session-editor .vacant-preview table{min-width:0}.move-session-editor .vacant-preview thead{display:none}.move-session-editor .vacant-preview tr,.move-session-editor .vacant-preview td{display:block}.move-session-editor .vacant-preview td:nth-child(2)::before{content:'Hiện tại: ';font-weight:700}.move-session-editor .vacant-preview td:nth-child(3)::before{content:'Sau điều chỉnh: ';font-weight:700}.move-session-editor .vacant-preview td{overflow-wrap:anywhere}}