:root{color:#0f172a;background:#f8fafc;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select{font:inherit}button,.button{border:1px solid #cbd5e1;background:#fff;color:#0f172a;border-radius:8px;padding:.62rem .85rem;cursor:pointer;text-align:center}button:hover,.button:hover{border-color:#0f766e}.app-shell{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:100vh}.sidebar{background:#0f172a;color:#f8fafc;padding:1.25rem;display:flex;flex-direction:column;gap:1.5rem;position:sticky;top:0;height:100vh}.sidebar h1{margin:0;font-size:1.7rem}.sidebar nav{display:grid;gap:.45rem}.sidebar button{background:transparent;color:#cbd5e1;border-color:transparent;text-align:left}.sidebar button.active{background:#0f766e;color:#fff;border-color:#14b8a6}.offline-pill{margin-top:auto;border:1px solid #334155;border-radius:999px;padding:.5rem .75rem;color:#99f6e4}main{padding:1.25rem;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}.topbar h2{margin:0;font-size:1.65rem}.eyebrow{margin:0 0 .2rem;color:#64748b;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase}.actions,.inline-form{display:flex;flex-wrap:wrap;gap:.6rem;align-items:end}.stack{display:grid;gap:1rem}.grid-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;align-items:start}.stats-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:.75rem}.stat,.panel{background:#fff;border:1px solid #e2e8f0;border-radius:8px;box-shadow:0 1px 2px #0f172a0a}.stat{padding:1rem;display:grid;gap:.4rem}.stat span,.muted,small{color:#64748b}.stat strong{font-size:1.45rem}.panel{padding:1rem}.panel h3{margin:0 0 .85rem}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:.85rem}.panel-title h3{margin:0}.hero-panel p{max-width:56rem;color:#475569}.table-wrap{overflow:auto;border:1px solid #e2e8f0;border-radius:8px}table{border-collapse:collapse;width:100%;min-width:680px}th,td{border-bottom:1px solid #e2e8f0;padding:.65rem;text-align:left;vertical-align:top}th{background:#f1f5f9;font-size:.82rem}td small,th small{display:block;font-size:.72rem;margin-top:.2rem}.crud{display:grid;gap:.8rem}.form-card{display:grid;gap:.7rem;padding:.85rem;border:1px solid #e2e8f0;border-radius:8px;background:#f8fafc}.field{display:grid;gap:.25rem}.field span,legend{color:#475569;font-size:.82rem}input,select{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:.62rem .7rem;background:#fff;color:#0f172a}textarea{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:.7rem;resize:vertical;min-height:9rem;background:#fff;color:#0f172a}.search{max-width:16rem}.import-panel{display:grid;gap:.75rem}.import-panel h3,.import-panel p{margin:0}fieldset{border:1px solid #e2e8f0;border-radius:8px;display:grid;gap:.35rem}.check{display:flex;gap:.5rem;align-items:center;color:#334155}.check input{width:auto}.item-list{display:grid;gap:.45rem}.list-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.45rem;align-items:center}.list-row.numbered{grid-template-columns:2.25rem minmax(0,1fr) auto}.row-actions{display:flex;gap:.45rem;align-items:center;flex-wrap:wrap}.row-actions button{padding:.45rem .65rem;font-size:.85rem}.copy-card-header{display:grid;gap:.35rem;margin-bottom:.25rem}.copy-title{margin:0;font-size:1.1rem;color:#0f172a}.copy-banner{margin:0;display:flex;align-items:flex-start;gap:.5rem;padding:.65rem .85rem;background:#f0fdfa;border:1px solid #ccfbf1;border-left:4px solid #0f766e;border-radius:6px;font-size:.84rem;color:#115e59;line-height:1.35}.copy-banner-icon{font-weight:700;color:#0f766e}.copy-title-row{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.copy-badge{background:#0f766e;color:#fff;font-size:.75rem;font-weight:700;padding:.2rem .55rem;border-radius:999px}.row-number{display:grid;place-items:center;width:2rem;height:2rem;border-radius:999px;background:#e2e8f0;color:#334155;font-weight:700}.row-label{min-width:0;overflow-wrap:anywhere}.danger{color:#b91c1c}.issue{display:grid;gap:.2rem;border-left:4px solid #dc2626;background:#fef2f2;padding:.65rem .75rem;margin-top:.55rem;border-radius:6px}.issue.warn{border-left-color:#d97706;background:#fffbeb}.unplaced-card{gap:.55rem}.suggestion-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));gap:.45rem}.suggestion-grid button{background:#fff;border-color:#fca5a5;text-align:left}.suggestion-grid button:hover{border-color:#0f766e;background:#f0fdfa}.suggestion-grid button:disabled{opacity:.6;cursor:not-allowed}.readonly-suggestions span{display:block;background:#fff;border:1px solid #fed7aa;border-radius:6px;padding:.45rem .55rem;font-size:.9rem}.badge{background:#ccfbf1;color:#115e59;padding:.3rem .55rem;border-radius:999px;font-weight:700}.toast-container{position:fixed;right:1.25rem;bottom:1.25rem;z-index:1000;display:flex;flex-direction:column;gap:.5rem;max-width:min(26rem,calc(100vw - 2.5rem));pointer-events:none}.toast-card{pointer-events:auto;display:flex;align-items:center;gap:.75rem;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:.85rem 1rem;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;cursor:pointer;animation:toast-slide-in .25s ease-out;transition:opacity .2s ease}.toast-card:hover{opacity:.9}@keyframes toast-slide-in{0%{transform:translateY(1.25rem);opacity:0}to{transform:translateY(0);opacity:1}}.toast-success{border-left:4px solid #10b981;background:#f0fdf4}.toast-success .toast-icon{color:#10b981}.toast-warning{border-left:4px solid #f59e0b;background:#fffbeb}.toast-warning .toast-icon{color:#f59e0b}.toast-error{border-left:4px solid #ef4444;background:#fef2f2}.toast-error .toast-icon{color:#ef4444}.toast-info{border-left:4px solid #3b82f6;background:#eff6ff}.toast-info .toast-icon{color:#3b82f6}.toast-icon{font-weight:700;font-size:1.15rem}.toast-text{flex:1;color:#1e293b;font-size:.9rem;font-weight:500;line-height:1.25}.toast-close{background:transparent;border:0;color:#94a3b8;font-size:1.25rem;padding:0;cursor:pointer;line-height:1}.toast-close:hover{color:#475569}td.drag-over{background:#ccfbf1!important;border:2px dashed #0f766e!important;transition:background .15s ease,border .15s ease}.draggable-cell{cursor:grab;user-select:none}.draggable-cell:active{cursor:grabbing}.timetable-grid td{min-width:120px;height:86px;vertical-align:middle}.cell{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;gap:.2rem;border-color:#99f6e4;background:#f0fdfa;padding:.45rem;text-align:center}.cell.bad{background:#fef2f2;border-color:#fecaca}.cell.selected{outline:3px solid #0f766e;outline-offset:2px}.cell-split-container{display:flex;flex-direction:column;gap:.25rem;width:100%;padding:.15rem}.cell-split-badge{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:#0369a1;background:#e0f2fe;border:1px solid #bae6fd;border-radius:3px;padding:1px 4px;text-align:center}.cell-subgroup{padding:.25rem;font-size:.85rem;gap:.1rem}.cell-subject{font-weight:700;font-size:.95rem;color:#0f172a;text-transform:uppercase;letter-spacing:.02em;line-height:1.15}.cell-teacher{font-weight:500;font-size:.8rem;color:#334155;line-height:1.2}.cell-venue{font-size:.72rem;color:#0f766e;background:#ccfbf1;border:1px solid #99f6e4;border-radius:4px;padding:1px 6px;font-weight:600;width:fit-content;margin:0 auto}.timetable-status-bar{display:flex;align-items:center;flex-wrap:wrap;gap:.75rem;background:#f8fafc;border:1px solid #e2e8f0;border-radius:6px;padding:.5rem .85rem;font-size:.85rem;margin-bottom:.75rem}.status-label{font-weight:700;color:#475569;letter-spacing:.03em}.status-metric{color:#0f172a}.status-unplaced-pill{background:#fef3c7;color:#92400e;border:1px solid #fde68a;padding:.2rem .6rem;border-radius:999px;font-weight:600;font-size:.75rem}.status-complete-pill{background:#dcfce7;color:#166534;border:1px solid #bbf7d0;padding:.2rem .6rem;border-radius:999px;font-weight:600;font-size:.75rem}.unplaced-panel{border:2px dashed #cbd5e1;background:#f8fafc;border-radius:8px;padding:.85rem;margin-bottom:1rem;transition:all .15s ease}.unplaced-panel.drag-over{border-color:#2563eb;background:#eff6ff;box-shadow:0 0 0 3px #2563eb26}.unplaced-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem;margin-bottom:.6rem}.unplaced-title-group{display:flex;align-items:center;gap:.6rem}.unplaced-title-group h4{margin:0;font-size:.95rem;font-weight:700;color:#1e293b}.unplaced-count-badge{background:#e2e8f0;color:#334155;padding:.15rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600}.unplaced-hint{font-size:.8rem;color:#64748b}.unplaced-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.5rem;max-height:220px;overflow-y:auto;padding:.25rem .1rem}.unplaced-card{background:#fff;border:1px solid #cbd5e1;border-radius:6px;padding:.5rem .6rem;cursor:grab;user-select:none;display:flex;flex-direction:column;gap:.35rem;transition:border-color .15s,box-shadow .15s}.unplaced-card:hover{border-color:#94a3b8;box-shadow:0 2px 4px #0000000f}.unplaced-card:active{cursor:grabbing}.unplaced-card.selected{border-color:#2563eb;background:#eff6ff}.unplaced-card-header{display:flex;align-items:baseline;justify-content:space-between;gap:.4rem}.unplaced-subject{font-size:.9rem;font-weight:700;color:#0f172a;text-transform:uppercase}.unplaced-progress{font-size:.72rem;font-weight:600;color:#b45309}.unplaced-card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:.35rem;font-size:.78rem;color:#475569}.unplaced-card-actions{display:flex;justify-content:flex-end;margin-top:.1rem}.unplaced-action-btn{background:#f1f5f9;color:#0f766e;border:1px solid #cbd5e1;border-radius:4px;padding:.15rem .45rem;font-size:.75rem;font-weight:600;cursor:pointer}.unplaced-action-btn:hover{background:#0f766e;color:#fff;border-color:#0f766e}.unplaced-empty-dropzone{display:flex;align-items:center;justify-content:center;padding:1.25rem;color:#64748b;font-size:.85rem;font-style:italic}.double-pill{background:#f3e8ff;color:#6b21a8;border:1px solid #d8b4fe;font-size:.65rem;padding:.05rem .35rem;border-radius:4px;font-weight:600}.joint-pill{background:#e0f2fe;color:#0369a1;border:1px solid #bae6fd;font-size:.65rem;padding:.05rem .35rem;border-radius:4px;font-weight:600}.split-pill{background:#fef3c7;color:#92400e;border:1px solid #fde68a;font-size:.65rem;padding:.05rem .35rem;border-radius:4px;font-weight:600}.cell-header-row{display:flex;align-items:center;justify-content:space-between;width:100%}.card-unplace-btn{background:transparent;border:none;font-size:.75rem;line-height:1;padding:1px 4px;border-radius:3px;color:#94a3b8;cursor:pointer;transition:all .15s ease;user-select:none;display:inline-flex;align-items:center;justify-content:center}.card-unplace-btn:hover{background:#fee2e2;color:#dc2626}.empty-cell-label{color:#94a3b8;font-size:.82rem;font-weight:600;display:block;text-align:center}.nonteach-cell{background:#f8fafc;color:#1e293b;text-align:center;font-weight:700;vertical-align:middle}.vertical-break{background:#f1f5f9!important;color:#334155!important;padding:8px 4px!important;vertical-align:middle!important;text-align:center!important}.vertical-break .break-text{writing-mode:vertical-rl;transform:rotate(180deg);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;margin:0 auto}.merged-event,.school-wide-event{background:#f8fafc!important;color:#0f172a!important;vertical-align:middle!important;text-align:center!important;padding:0!important;height:100%}.event-merged-text,.event-vertical-text{font-size:.92rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;text-align:center;margin:auto;display:flex;align-items:center;justify-content:center;height:100%;min-height:72px;width:100%;padding:.5rem}.nonteach-head{background:#e2e8f0!important;color:#334155;font-weight:700}.empty-slot{background:#f8fafc}.view-toggle{display:inline-flex;border:1px solid #cbd5e1;border-radius:8px;overflow:hidden;background:#fff}.view-toggle button{border:0;border-radius:0}.view-toggle button.active{background:#0f766e;color:#fff}.school-grid td{min-width:112px;height:74px;vertical-align:middle}.inline-form>.field{min-width:13rem}.inline-form>.manual-search{min-width:18rem;flex:1 1 18rem}.slot-editor{display:grid;gap:.7rem}.slot-row{display:grid;grid-template-columns:9rem minmax(10rem,1fr) 8rem 8rem 7rem 8rem auto;gap:.5rem;align-items:end;padding:.7rem;border:1px solid #e2e8f0;border-radius:8px;background:#f8fafc}.global-event-form{display:grid;gap:.75rem;padding:.85rem;border:1px solid #ccfbf1;border-radius:8px;background:#f0fdfa}.global-event-form h4,.global-event-form p{margin:0}.saved-events{display:grid;gap:.65rem;padding:.85rem;border:1px solid #e2e8f0;border-radius:8px;background:#fff}.saved-events h4,.saved-events p{margin:0}.guide-backdrop{position:fixed;inset:0;z-index:50;background:#0f172a8c;display:grid;place-items:center;padding:1rem}.guide-modal{width:min(980px,100%);max-height:min(760px,calc(100vh - 2rem));overflow:auto;background:#fff;border-radius:10px;box-shadow:0 24px 80px #0f172a4d;padding:1rem}.guide-header{display:flex;justify-content:space-between;gap:1rem;align-items:start}.guide-header h2{margin:0}.progress-bar{height:.55rem;background:#e2e8f0;border-radius:999px;overflow:hidden;margin:.85rem 0 1rem}.progress-bar span{display:block;height:100%;background:#0f766e}.guide-body{display:grid;grid-template-columns:minmax(16rem,.9fr) minmax(0,1.4fr);gap:1rem}.guide-steps{list-style:none;display:grid;gap:.35rem;margin:0;padding:0}.guide-steps button{width:100%;display:grid;grid-template-columns:2.2rem minmax(0,1fr);gap:.55rem;align-items:center;text-align:left}.guide-steps button.active{border-color:#0f766e;background:#f0fdfa}.done-dot,.todo-dot{display:grid;place-items:center;width:1.75rem;height:1.75rem;border-radius:999px;font-size:.72rem;font-weight:800}.done-dot{background:#0f766e;color:#fff}.todo-dot{background:#e2e8f0;color:#334155}.guide-detail{display:grid;gap:.75rem;align-content:start;border:1px solid #e2e8f0;border-radius:8px;padding:1rem;background:#f8fafc}.guide-detail h3,.guide-detail h4,.guide-detail p{margin:0}.install-note{display:grid;gap:.45rem;border:1px solid #ccfbf1;background:#f0fdfa;border-radius:8px;padding:.85rem}.confirm-backdrop{position:fixed;inset:0;z-index:60;background:#0f172a8c;display:grid;place-items:center;padding:1rem}.confirm-modal{width:min(440px,100%);background:#fff;border-radius:10px;box-shadow:0 24px 80px #0f172a4d;padding:1.25rem;display:grid;gap:.75rem}.confirm-modal h3{margin:0;font-size:1.25rem;color:#0f172a}.confirm-message{margin:0;color:#334155;font-size:.95rem;line-height:1.4;word-break:break-word}.confirm-warning{margin:0;font-size:.85rem}.confirm-actions{display:flex;justify-content:flex-end;gap:.6rem;margin-top:.5rem}.save-indicator{display:inline-flex;align-items:center;font-size:.82rem;font-weight:600}.saved-badge{color:#0f766e;background:#f0fdfa;border:1px solid #ccfbf1;padding:.25rem .55rem;border-radius:6px;display:inline-flex;align-items:center;gap:.3rem}.saving-badge{color:#d97706;background:#fffbeb;border:1px solid #fde68a;padding:.25rem .55rem;border-radius:6px;display:inline-flex;align-items:center;gap:.3rem}.error-badge{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;padding:.25rem .55rem;border-radius:6px;display:inline-flex;align-items:center;gap:.3rem}.pwa-update-banner{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:#0f766e;color:#fff;padding:.65rem 1rem;border-radius:8px;margin-bottom:.75rem;font-size:.9rem;box-shadow:0 4px 6px -1px #0000001a}.pwa-update-actions{display:flex;gap:.5rem}.pwa-update-actions button{padding:.35rem .75rem;font-size:.85rem;border-radius:6px;cursor:pointer}.pwa-update-reload{background:#fff;color:#0f766e;border:1px solid #fff;font-weight:700}.pwa-update-later{background:transparent;color:#ccfbf1;border:1px solid #14b8a6}.unplaced-action-btn.repair-btn{background:#0f766e;color:#fff;border-color:#0f766e}.unplaced-action-btn.repair-btn:hover{background:#115e59;border-color:#115e59}.modal-backdrop{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0f172aa6;backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal-dialog.repair-modal{background:#fff;border-radius:12px;width:100%;max-width:760px;max-height:88vh;display:flex;flex-direction:column;box-shadow:0 20px 25px -5px #0003,0 10px 10px -5px #0000001a;overflow:hidden}.repair-modal-header{display:flex;align-items:flex-start;justify-content:space-between;padding:1.15rem 1.35rem;border-bottom:1px solid #e2e8f0;background:#f8fafc}.repair-modal-header h3{margin:0 0 .25rem;font-size:1.25rem;color:#0f172a}.repair-subtitle{margin:0;font-size:.88rem;color:#475569}.repair-unplaced-badge{background:#fef3c7;color:#92400e;border:1px solid #fde68a;padding:.15rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600;margin-left:.4rem}.modal-close-btn{background:transparent;border:none;font-size:1.2rem;line-height:1;color:#64748b;cursor:pointer;padding:.2rem .4rem;border-radius:4px}.modal-close-btn:hover{background:#e2e8f0;color:#0f172a}.repair-modal-body{padding:1.25rem 1.35rem;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:1.25rem}.manual-confirm-alert{background:#fffbeb;border:1px solid #fcd34d;border-radius:8px;padding:1rem}.manual-confirm-alert h4{margin:0 0 .35rem;color:#92400e;font-size:.95rem}.manual-confirm-alert p{margin:0 0 .75rem;font-size:.85rem;color:#78350f}.confirm-actions{display:flex;gap:.6rem}.btn-danger{background:#dc2626;color:#fff;border:1px solid #dc2626;border-radius:6px;padding:.4rem .85rem;font-size:.85rem;font-weight:600;cursor:pointer}.btn-danger:hover{background:#b91c1c}.btn-secondary{background:#f1f5f9;color:#334155;border:1px solid #cbd5e1;border-radius:6px;padding:.4rem .85rem;font-size:.85rem;font-weight:600;cursor:pointer}.btn-secondary:hover{background:#e2e8f0}.repair-section h4{margin:0 0 .75rem;font-size:1rem;color:#1e293b}.repair-empty-msg{color:#64748b;font-style:italic;font-size:.88rem;padding:.5rem 0}.repair-plans-list{display:flex;flex-direction:column;gap:.75rem}.repair-plan-card{border:1px solid #cbd5e1;border-radius:8px;background:#fff;padding:.85rem 1rem;display:flex;flex-direction:column;gap:.6rem;transition:all .15s ease}.repair-plan-card:hover{border-color:#94a3b8;box-shadow:0 2px 5px #0000000d}.repair-plan-card.level-0{border-left:4px solid #16a34a}.repair-plan-card.level-1{border-left:4px solid #0f766e}.repair-plan-card.level-2{border-left:4px solid #2563eb}.repair-plan-card.level-3{border-left:4px solid #7c3aed}.repair-plan-card.has-manual{border-color:#f59e0b;background:#fffdfa}.repair-plan-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem}.repair-plan-title-group{display:flex;align-items:center;gap:.6rem}.repair-plan-title-group h5{margin:0;font-size:.95rem;color:#0f172a}.plan-level-pill{font-size:.7rem;font-weight:700;padding:.15rem .5rem;border-radius:999px;text-transform:uppercase;letter-spacing:.03em}.plan-level-pill.level-0{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.plan-level-pill.level-1{background:#ccfbf1;color:#0f766e;border:1px solid #99f6e4}.plan-level-pill.level-2{background:#dbeafe;color:#1d4ed8;border:1px solid #bfdbfe}.plan-level-pill.level-3{background:#f3e8ff;color:#6b21a8;border:1px solid #e9d5ff}.manual-warn-badge{background:#fef3c7;color:#92400e;border:1px solid #fde68a;font-size:.72rem;font-weight:600;padding:.15rem .45rem;border-radius:4px}.repair-steps{font-size:.85rem;background:#f8fafc;padding:.65rem .8rem;border-radius:6px;border:1px solid #e2e8f0}.repair-steps-list{margin:.4rem 0 0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:.35rem}.repair-steps-list li{display:flex;align-items:baseline;gap:.4rem}.step-num{font-weight:700;color:#475569}.manual-tag{background:#fed7aa;color:#9a3412;font-size:.65rem;padding:.05rem .3rem;border-radius:3px;margin-left:.35rem;font-weight:600;text-transform:uppercase}.repair-validation-notes{display:flex;flex-direction:column;gap:.2rem;font-size:.78rem;color:#166534}.val-note{display:flex;align-items:center;gap:.3rem}.repair-plan-footer{display:flex;justify-content:flex-end;margin-top:.2rem}.apply-repair-btn{background:#0f766e;color:#fff;border:1px solid #0f766e;border-radius:6px;padding:.35rem .85rem;font-size:.82rem;font-weight:600;cursor:pointer;transition:background .15s ease}.apply-repair-btn:hover{background:#115e59}.blocked-section{border-top:1px solid #e2e8f0;padding-top:1rem}.blocked-slots-table-wrap{max-height:220px;overflow-y:auto;border:1px solid #e2e8f0;border-radius:6px}.blocked-table{width:100%;font-size:.8rem;border-collapse:collapse}.blocked-table th,.blocked-table td{padding:.4rem .6rem;border-bottom:1px solid #e2e8f0;text-align:left}.blocked-table th{background:#f8fafc;color:#475569;font-weight:600;position:sticky;top:0;z-index:1}.slot-col{font-weight:600;color:#0f172a;white-space:nowrap}.reason-col{color:#dc2626}.small-note{font-size:.75rem;margin-top:.4rem}.repair-modal-footer{padding:.85rem 1.35rem;border-top:1px solid #e2e8f0;background:#f8fafc;display:flex;justify-content:flex-end}.repair-joint-info-box{display:flex;flex-direction:column;gap:.45rem}.repair-unplaced-badge.joint-badge{background:#ede9fe;color:#5b21b6;border-color:#ddd6fe}.repair-joint-meta-row{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:#334155;background:#f1f5f9;padding:.5rem .75rem;border-radius:6px;border:1px solid #e2e8f0}.participants-list{display:flex;align-items:center;flex-wrap:wrap;gap:.35rem}.meta-label{font-weight:600;color:#475569;margin-right:.25rem}.participant-badge{background:#e2e8f0;color:#1e293b;font-weight:600;padding:.1rem .45rem;border-radius:4px;font-size:.78rem}.joint-room-teacher{font-size:.82rem;color:#475569}.repair-plan-joint-classes{font-size:.82rem;color:#0f766e;background:#f0fdfa;padding:.35rem .6rem;border-radius:4px;border-left:3px solid #0d9488}.no-solution-banner{background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:1.15rem;display:flex;flex-direction:column;gap:.85rem}.no-solution-header{display:flex;align-items:flex-start;gap:.85rem}.no-solution-icon{font-size:1.5rem;line-height:1}.no-solution-header h4{margin:0 0 .25rem;color:#991b1b;font-size:1.05rem;letter-spacing:.02em}.no-solution-header p{margin:0;color:#7f1d1d;font-size:.88rem;line-height:1.4}.no-solution-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-left:2.35rem}.btn-resolve-blockers{background:#b91c1c;color:#fff;border:1px solid #991b1b;border-radius:6px;padding:.45rem 1rem;font-size:.88rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:.4rem;transition:background .15s ease}.btn-resolve-blockers:hover{background:#991b1b}.freed-space-alert{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;padding:.85rem 1.15rem;color:#166534}.freed-space-title{font-weight:700;font-size:.98rem;margin-bottom:.25rem}.freed-space-alert p{margin:0;font-size:.85rem;color:#15803d}.blocker-feedback-alert{background:#fefce8;border:1px solid #fef08a;border-radius:8px;padding:.75rem 1rem;color:#854d0e;font-size:.88rem;font-weight:500}.blocker-resolver-section{display:flex;flex-direction:column;gap:1rem}.blocker-resolver-nav{display:flex;align-items:center;margin-bottom:.25rem}.btn-back-link{background:transparent;border:none;color:#0f766e;font-size:.85rem;font-weight:600;cursor:pointer;padding:.2rem .4rem;border-radius:4px}.btn-back-link:hover{background:#f1f5f9;text-decoration:underline}.blocker-candidates-container h4{margin:0 0 .35rem;font-size:1.05rem;color:#1e293b}.blocker-candidates-list{display:flex;flex-direction:column;gap:.75rem;margin-top:.75rem}.blocker-candidate-card{border:1px solid #cbd5e1;border-radius:8px;background:#fff;padding:.85rem 1rem;display:flex;flex-direction:column;gap:.5rem;border-left:4px solid #f97316}.blocker-candidate-card.is-manual{border-left-color:#ef4444;background:#fffdfa}.blocker-card-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:.5rem}.blocker-card-header h5{margin:0;font-size:.95rem;color:#0f172a}.blocker-meta-sub{font-size:.8rem;color:#64748b;margin-top:.15rem}.blocker-badge-group{display:flex;align-items:center;gap:.4rem}.joint-badge-pill{background:#ede9fe;color:#5b21b6;border:1px solid #ddd6fe;padding:.1rem .45rem;border-radius:999px;font-size:.7rem;font-weight:600;text-transform:uppercase}.blocker-card-body{font-size:.85rem;color:#475569}.blocker-reason-msg{margin:0}.slots-count-tag{display:inline-block;background:#f1f5f9;color:#334155;font-size:.75rem;padding:.1rem .4rem;border-radius:4px;margin-top:.3rem;font-weight:600}.blocker-card-footer{display:flex;justify-content:flex-end;margin-top:.25rem}.btn-inspect-action{background:#f8fafc;color:#0f172a;border:1px solid #cbd5e1;border-radius:6px;padding:.35rem .75rem;font-size:.82rem;font-weight:600;cursor:pointer;transition:all .15s ease}.btn-inspect-action:hover{background:#e2e8f0;border-color:#94a3b8}.blocker-inspect-card{border:1px solid #cbd5e1;border-radius:8px;background:#fff;padding:1.15rem;display:flex;flex-direction:column;gap:1rem}.blocker-inspect-header{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid #e2e8f0;padding-bottom:.75rem}.badge-tag{font-size:.7rem;font-weight:700;color:#64748b;letter-spacing:.05em;text-transform:uppercase}.blocker-inspect-header h4{margin:.2rem 0 0;font-size:1.2rem;color:#0f172a}.blocker-details-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.65rem 1rem;background:#f8fafc;padding:.85rem 1rem;border-radius:6px;border:1px solid #e2e8f0;font-size:.85rem}.detail-lbl{color:#64748b;margin-right:.3rem}.type-pill{display:inline-block;background:#e2e8f0;color:#1e293b;padding:.1rem .45rem;border-radius:4px;font-size:.75rem;font-weight:600}.blocker-conflict-explanation{background:#fff7ed;border:1px solid #fed7aa;padding:.75rem 1rem;border-radius:6px;font-size:.85rem;color:#9a3412}.blocker-conflict-explanation p{margin:.25rem 0 0;color:#7c2d12}.blocker-inspect-actions{display:flex;gap:.6rem}.btn-primary-action{background:#0f766e;color:#fff;border:1px solid #0f766e;border-radius:6px;padding:.45rem 1rem;font-size:.85rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:.35rem}.btn-primary-action:hover{background:#115e59}.alternative-slots-subpanel{border-top:1px solid #e2e8f0;padding-top:1rem}.alternative-slots-subpanel h5{margin:0 0 .85rem;font-size:.98rem;color:#1e293b;display:flex;align-items:center;gap:.5rem}.plans-count-badge{font-size:.8rem;color:#64748b;font-weight:500}.btn-inspect-small{background:#f1f5f9;border:1px solid #cbd5e1;color:#0f766e;font-size:.75rem;font-weight:600;padding:.15rem .5rem;border-radius:4px;cursor:pointer;transition:all .15s ease}.btn-inspect-small:hover{background:#0f766e;color:#fff;border-color:#0f766e}@media(max-width:980px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.sidebar nav{grid-template-columns:repeat(4,minmax(0,1fr))}.stats-grid,.grid-two{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar{align-items:start;flex-direction:column}}@media(max-width:620px){main,.sidebar{padding:.85rem}.sidebar nav,.stats-grid,.grid-two{grid-template-columns:1fr}.actions,.inline-form{display:grid;grid-template-columns:1fr}.panel-title{align-items:start;flex-direction:column}.list-row,.list-row.numbered{grid-template-columns:1fr}.row-actions{justify-content:flex-start;width:100%;margin-top:.25rem}.row-actions button{flex:1;min-width:0;padding:.55rem .45rem;text-align:center}.row-number{width:auto;border-radius:8px}.slot-row,.guide-body{grid-template-columns:1fr}}.spinner{display:inline-block;width:1rem;height:1rem;border:2px solid rgba(15,118,110,.25);border-radius:50%;border-top-color:#0f766e;animation:spin .8s linear infinite;vertical-align:middle}.spinner-inline{margin-right:.5rem}@keyframes spin{to{transform:rotate(360deg)}}.worker-status-bar{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:#f0fdfa;border:1px solid #99f6e4;border-radius:8px;color:#115e59;font-size:.9rem;margin-top:.5rem}.unplaced-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin:.75rem 0}.unplaced-chip{display:inline-flex;align-items:center;padding:.4rem .75rem;border-radius:20px;background:#f1f5f9;border:1px solid #cbd5e1;color:#334155;font-size:.85rem;cursor:pointer;transition:all .15s ease}.unplaced-chip:hover{background:#e2e8f0;border-color:#94a3b8}.unplaced-chip.active{background:#0f766e;color:#fff;border-color:#0f766e;box-shadow:0 2px 4px #0f766e40}.ejection-chain-panel{margin-top:1rem;padding:1rem;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px}.ejection-chain-steps{list-style:none;padding:0;margin:.75rem 0;display:flex;flex-direction:column;gap:.5rem}.ejection-chain-step{padding:.5rem .75rem;background:#fff;border:1px solid #e2e8f0;border-left:3px solid #0f766e;border-radius:4px;font-size:.875rem;color:#1e293b}.ejection-chain-step.target-step{border-left-color:#10b981;background:#f0fdf4}.bottleneck-diagnostic-panel{border-color:#fecaca;background:#fef2f2}.diagnostic-section{margin-top:1rem}.diagnostic-section-header{display:flex;flex-direction:column;gap:.25rem;margin-bottom:.75rem}.diagnostic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.75rem}.diagnostic-card{background:#fff;border:1px solid #fecaca;border-left:4px solid #ef4444;border-radius:6px;padding:.75rem;display:flex;flex-direction:column;gap:.5rem;font-size:.85rem;box-shadow:0 1px 2px #0000000d}.diagnostic-card.occupied{border-color:#cbd5e1;border-left:4px solid #64748b;background:#f8fafc}.diagnostic-card-header{display:flex;justify-content:space-between;align-items:center;font-weight:600}.diagnostic-slot-title{color:#0f172a}.diagnostic-card-body{display:flex;flex-direction:column;gap:.4rem}.diagnostic-conflict-line{display:flex;align-items:flex-start;gap:.5rem;line-height:1.3}.badge-open{background:#dcfce7;color:#166534;padding:.2rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600;white-space:nowrap}.badge-clash-teacher{background:#fee2e2;color:#991b1b;padding:.2rem .5rem;border-radius:999px;font-size:.72rem;font-weight:700;white-space:nowrap;flex-shrink:0}.badge-clash-room{background:#fef3c7;color:#92400e;padding:.2rem .5rem;border-radius:999px;font-size:.72rem;font-weight:700;white-space:nowrap;flex-shrink:0}.badge-clash-rule{background:#e0e7ff;color:#3730a3;padding:.2rem .5rem;border-radius:999px;font-size:.72rem;font-weight:700;white-space:nowrap;flex-shrink:0}.badge-occupied{background:#e2e8f0;color:#334155;padding:.2rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600;white-space:nowrap}.diagnostic-details{margin-top:1rem}.diagnostic-summary{cursor:pointer;font-weight:600;font-size:.875rem;color:#0f766e;padding:.4rem 0;user-select:none}.diagnostic-summary:hover{text-decoration:underline}