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8px;display:grid}button.timetable-course{cursor:pointer}button.timetable-course:hover,button.timetable-course:focus-visible{outline-offset:-2px;background:#dff2ef;outline:2px solid #79bdb7}.timetable-course+.timetable-course{margin-top:6px}.timetable-course b{color:var(--teal-dark);font-size:13px}.timetable-course span,.timetable-course small,.timetable-course em{text-overflow:ellipsis;overflow:hidden}.timetable-course span{white-space:nowrap;font-size:11px}.timetable-course small{color:var(--muted);white-space:nowrap;font-size:10px}.timetable-course em{color:#4e5d61;white-space:nowrap;font-size:11px;font-style:normal}.timetable-add.t-button{color:#6f7c81;background:0 0;border:1px dashed #cbd7d8;width:100%;height:64px}.timetable-add.t-button:hover{color:var(--teal-dark);background:#eef8f6;border-color:#79bdb7}.mobile-timetable{display:none}.mobile-weekday-tabs{display:flex}.mobile-weekday-tabs button{background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;display:flex}.mobile-weekday-tabs button .tab-today-tag{color:var(--teal-dark);background:#e8f5ee;border-radius:2px;padding:1px 3px;font-size:10px;font-weight:600;line-height:1}.mobile-weekday-tabs button.selected .tab-today-tag{color:#fff;background:#ffffff47}.mobile-day-schedule{display:grid}.mobile-day-part{color:var(--muted)}.mobile-period-row,.mobile-period-meta{display:grid}.mobile-period-courses{min-width:0}.mobile-empty-slot{color:var(--muted)}.day-part-divider th,.day-part-divider td{color:#607076;text-align:left;min-height:32px;font-size:11px;background:#f5f7f7!important;height:32px!important;padding:6px 10px!important}.day-part-divider th{text-align:center}.schedule-layout{grid-template-columns:320px minmax(0,1fr);align-items:start;gap:16px;display:grid}.schedule-progress-only{grid-template-columns:minmax(0,1fr)}.schedule-form{flex-direction:column;gap:15px;padding:24px;display:flex}.schedule-form>div:first-child h3,.schedule-permission h3{margin:0 0 6px}.schedule-form>div:first-child p,.schedule-permission p{color:var(--muted);margin:0;font-size:12px;line-height:1.65}.schedule-form label{color:var(--muted);flex-direction:column;gap:6px;font-size:12px;display:flex}.schedule-form input,.schedule-form select{height:var(--control-height);min-height:var(--control-height);color:var(--text);background:#fff;border:1px solid #d8dfe1;border-radius:3px;padding:0 9px}.slot-fields{grid-template-columns:1fr 1fr;gap:8px;display:grid}.slot-fields label{min-width:0}.selected-period-time{color:#4c5b60;background:#f1f8f7;border-left:3px solid #8bc9c4;padding:9px 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11px;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex}.seating-autosave-switch:hover{border-color:var(--teal,#008a7a)}.seating-autosave-switch input[type=checkbox]{display:none}.autosave-switch-slider{background-color:#cbd5e1;border-radius:10px;flex-shrink:0;width:28px;height:16px;transition:background-color .2s;position:relative}.autosave-switch-slider:before{content:"";background-color:#fff;border-radius:50%;width:12px;height:12px;transition:transform .2s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #0003}.seating-autosave-switch input[type=checkbox]:checked+.autosave-switch-slider{background-color:var(--teal,#008a7a)}.seating-autosave-switch input[type=checkbox]:checked+.autosave-switch-slider:before{transform:translate(12px)}.seating-autosave-switch input[type=checkbox]:checked~.autosave-switch-text{color:var(--teal-dark,#005f59);font-weight:600}.seating-save-btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:0 14px;font-size:14px;font-weight:500;transition:all .18s;display:inline-flex}.seating-save-btn.saved{color:var(--teal-dark,#00695c);background:#e8f7f4;border-color:#b2ded7}.seating-save-btn.saved:hover{border-color:var(--teal,#008a7a);background:#dbf1ed}.seating-save-btn.pending{background:var(--teal,#008a7a);color:#fff;border-color:var(--teal,#008a7a)}.seating-save-btn.pending:hover{background:var(--teal-dark,#00695c);border-color:var(--teal-dark,#00695c)}.seating-save-btn .save-dot.pending{background-color:#ffd04b;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 2px #ffd04b66}.seating-save-btn.saving{color:#fff;cursor:not-allowed;background:#79beb8;border-color:#79beb8}.seating-save-btn.error{background:var(--danger,#d54941);color:#fff;border-color:var(--danger,#d54941)}.seating-layout{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:16px;min-height:640px;display:grid}.seating-roster,.seating-workspace{overflow:hidden}.seating-roster.drag-over{outline-offset:-3px;outline:2px dashed var(--teal,#008a7a)!important;background-color:#f0fdfa!important}.seating-panel-head{border-bottom:1px solid var(--line);padding:12px 14px}.seating-panel-head>div{justify-content:space-between;align-items:center;display:flex}.seating-badge{color:#50616b;background:#eef2f5;border-radius:12px;padding:2px 8px;font-size:11px;font-weight:600}.roster-drop-tip{color:var(--teal,#008a7a);margin-top:4px;font-size:11px;font-weight:600;display:block}.seating-search-box{border-bottom:1px solid var(--line);padding:10px 12px 6px;position:relative}.seating-search-input{box-sizing:border-box;border:1px solid #dbe3e2;border-radius:6px;outline:none;width:100%;height:32px;padding:0 24px 0 10px;font-size:12px;transition:border-color .15s}.seating-search-input:focus{border-color:var(--teal);box-shadow:0 0 0 2px #008a7a1f}.seating-search-clear{color:#8fa09e;cursor:pointer;background:0 0;border:none;padding:0;font-size:16px;line-height:1;position:absolute;top:15px;right:18px}.seating-roster-list{gap:6px;min-height:200px;max-height:calc(100vh - 280px);padding:10px 12px;display:grid;overflow-y:auto}.seating-student-card{cursor:grab;text-align:left;background:#fff;border:1px solid #e1e8e7;border-radius:6px;justify-content:space-between;align-items:center;padding:7px 10px;transition:all .12s;display:flex}.seating-student-card:hover{border-color:var(--teal);background:#f4faf9;transform:translateY(-1px);box-shadow:0 2px 6px #0000000a}.seating-student-card.selected{border-color:var(--teal);background:#e6f6f3;box-shadow:0 0 0 2px #008a7a40}.student-card-main{align-items:baseline;gap:8px;display:flex}.student-card-main b{color:#1c2826;font-size:13px}.student-card-main small{color:#6d7f7c;font-size:11px}.student-card-hint{color:#8fa09e;font-size:10px}.seating-student-card.selected .student-card-hint{color:var(--teal);font-weight:600}.seating-roster-empty{text-align:center;color:var(--muted);padding:36px 16px;font-size:12px}.seating-toolbar{border-bottom:1px solid var(--line);background:#fafcfc;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:10px 16px;display:flex}.seating-steppers{align-items:center;gap:14px;display:flex}.seating-steppers label{color:#526361;align-items:center;gap:6px;font-size:12px;font-weight:500;display:flex}.seating-steppers input{text-align:center;box-sizing:border-box;border:1px solid #d5dfdd;border-radius:5px;width:48px;height:28px;font-size:13px;font-weight:600}.seating-stats{color:#5a6d6a;gap:12px;font-size:12px;display:flex}.seating-stats .stat-item b{margin-left:2px;font-size:13px}.stat-green{color:#008a7a}.stat-amber{color:#d97706}.seating-quick-tools{gap:6px;display:flex}.tool-btn{color:#364845;cursor:pointer;background:#fff;border:1px solid #d0dcd9;border-radius:5px;padding:4px 9px;font-size:11px;font-weight:500;transition:all .12s}.tool-btn:hover{border-color:var(--teal);color:var(--teal);background:#f2f9f8}.tool-btn.danger:hover{color:#d54941;background:#fff5f5;border-color:#d54941}.seating-aisle-controls{border-bottom:1px solid var(--line);color:#556664;background:#fff;align-items:center;gap:10px;padding:8px 16px;font-size:12px;display:flex}.aisle-pills{flex-wrap:wrap;gap:5px;display:flex}.aisle-pills button{color:#596b68;cursor:pointer;background:#fafcfb;border:1px solid #dce5e3;border-radius:12px;padding:2px 8px;font-size:11px;transition:all .1s}.aisle-pills button.active{border-color:var(--teal);color:var(--teal);background:#e6f6f3;font-weight:600}.aisle-pills button:disabled{cursor:default;opacity:.65}.seating-guide-banner{color:#006b5e;background:#e6f7f4;border-bottom:1px solid #bce8df;justify-content:space-between;align-items:center;padding:8px 16px;font-size:12px;display:flex}.seating-guide-banner.swap{color:#8c5b00;background:#fff8e6;border-bottom:1px solid #fde4a8}.seating-guide-banner button{color:inherit;cursor:pointer;background:0 0;border:none;font-size:11px;text-decoration:underline}.seating-board-scroll{background:#f4f7f6;flex-direction:column;align-items:center;min-height:400px;padding:18px 20px;display:flex;overflow:auto}.seating-grid{gap:8px;width:max-content;margin:0 auto;display:grid}.seat-cell{text-align:left;cursor:pointer;box-sizing:border-box;background:#fff;border:1px solid #d4dedc;border-radius:6px;flex-direction:column;justify-content:space-between;min-width:88px;height:56px;min-height:56px;max-height:56px;padding:4px 6px;transition:all .12s;display:flex;position:relative}.seat-cell:hover{border-color:#b0c2bf;transform:translateY(-1px);box-shadow:0 3px 8px #0000000f}.seat-cell.active{z-index:2;box-shadow:0 0 0 2px var(--teal,#008a7a), 0 4px 12px #008a7a2e!important;border-color:#0000!important}.seat-meta{justify-content:space-between;align-items:center;width:100%;line-height:1;display:flex}.seat-coord{color:#7f918e;letter-spacing:.3px;font-size:10px;font-weight:500}.seat-role-pill{color:#3d4f4c;text-overflow:ellipsis;white-space:nowrap;background:#0000000f;border-radius:3px;max-width:50px;padding:1px 4px;font-size:9px;font-weight:600;overflow:hidden}.seat-body{flex:1;justify-content:center;align-items:center;width:100%;display:flex}.seat-name{color:#1e2d2b;text-align:center;text-overflow:ellipsis;white-space:nowrap;width:100%;font-size:13px;font-weight:700;overflow:hidden}.seat-cell.is-empty{background:#ffffffb3;border:1px dashed #c4d2d0}.seat-cell.is-empty:hover{border-color:var(--teal);background:#f0faf8}.empty-seat{color:#9aa9a7;font-size:11px;font-weight:500}.color-default{background:#fff!important;border-color:#d4dedc!important}.color-teal{background:#e6f7f4!important;border-color:#a7ded5!important}.color-teal .seat-name{color:#0d685d!important}.color-blue{background:#edf4ff!important;border-color:#b8d4fe!important}.color-blue .seat-name{color:#1d52b0!important}.color-amber{background:#fff7e6!important;border-color:#fcdca2!important}.color-amber .seat-name{color:#965b00!important}.color-red{background:#fff1f0!important;border-color:#ffa39e!important}.color-red .seat-name{color:#a8071a!important}.color-purple{background:#f9f0ff!important;border-color:#d3adf7!important}.color-purple .seat-name{color:#531dab!important}.seat-aisle{border-left:1px dashed #d0dcd9;border-right:1px dashed #d0dcd9;justify-content:center;align-items:center;min-width:28px;display:flex;position:relative}.seat-aisle span{color:#95a5a3;writing-mode:vertical-rl;letter-spacing:4px;font-size:10px}.seating-front{text-align:center;background:#1c3933;border:3px solid #635347;border-radius:7px;width:min(520px,78%);margin:18px auto 4px;padding:7px 16px;box-shadow:0 4px 12px #0000001a,inset 0 1px #ffffff1f}.chalkboard-title{color:#f2f8f6;letter-spacing:4px;text-shadow:0 1px 2px #0000004d;font-size:13px;font-weight:700}.seat-editor{border-top:1px solid var(--line);background:#fafcfb;grid-template-columns:auto minmax(200px,1fr) auto auto;align-items:center;gap:14px;padding:10px 16px;display:grid}.seat-editor-student{flex-direction:column;gap:2px;display:flex}.editor-badge{color:var(--teal);background:#e6f6f3;border-radius:4px;width:fit-content;padding:1px 6px;font-size:10px;font-weight:700}.seat-editor-student b{color:#1c2826;font-size:14px}.seat-editor-student small{color:var(--muted);font-size:11px}.seat-editor-role{align-items:center;display:flex}.seat-editor-role input{border:1px solid #d5dedc;border-radius:5px;width:100%;height:32px;padding:0 10px;font-size:13px}.seat-editor-role input:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 2px #008a7a1f}.seat-color-options{flex-wrap:wrap;gap:5px;display:flex}.seat-color-options button{cursor:pointer;border:1px solid #0000001f;border-radius:5px;padding:5px 8px;font-size:11px;transition:all .12s}.seat-color-options button.active{box-shadow:0 0 0 2px var(--teal,#008a7a);font-weight:700}.seat-editor-actions{align-items:center;display:flex}.student-eval-dialog{border-radius:10px;flex-direction:column;width:min(680px,94vw);max-height:min(88vh,820px);display:flex;overflow:hidden;box-shadow:0 16px 40px #00000024;padding:0!important}.student-eval-dialog .panel-title{background:#fff;border-bottom:1px solid #e2e8f0;justify-content:space-between;align-items:flex-start;display:flex;padding:22px 28px 24px!important}.eval-dialog-title-group{flex-direction:column;gap:12px;display:flex}.eval-dialog-title-group h3{color:#0f172a;letter-spacing:.2px;margin:0;font-size:18px;font-weight:700;line-height:1.4}.eval-dialog-badges{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px;display:flex}.eval-badge{color:#475569;background:#f1f5f9;border-radius:4px;padding:4px 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promoScaleUp{0%{opacity:0;transform:scale(.94)translateY(12px)}to{opacity:1;transform:scale(1)translateY(0)}}.promo-header{background:linear-gradient(135deg,#e6f6f3 0%,#f4faf9 50%,#fff 100%);border-bottom:1px solid #e7f0ee;padding:24px 26px 14px;position:relative}.promo-header-top{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.promo-badge{color:#00746d;background:#d0f0ea;border-radius:20px;align-items:center;gap:6px;padding:3px 11px;font-size:12px;font-weight:600;display:inline-flex}.promo-close-btn{color:#64748b;cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;width:32px;height:32px;margin-left:8px;transition:all .15s;display:grid}.promo-close-btn:hover{color:#1e293b;background:#e2ecea}.promo-header h2{color:#172729;letter-spacing:-.3px;margin:0 0 6px;font-size:22px;font-weight:700}.promo-header p{color:#55686b;margin:0;font-size:13px;line-height:1.5}.promo-body{padding:20px 26px 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