.activity-combobox{width:100%;position:relative}.activity-combobox__input-wrapper{align-items:center;display:flex;position:relative}.activity-combobox__input{background-color:#fff;border:1px solid #ddd;border-radius:4px;width:100%;padding:8px 32px 8px 12px;font-size:14px;line-height:1.4;transition:border-color .2s,box-shadow .2s}.activity-combobox__input:focus{border-color:#007bff;outline:none;box-shadow:0 0 0 2px rgba(0,123,255,.25)}.activity-combobox__input::placeholder{color:#999}.activity-combobox__toggle{cursor:pointer;color:#666;background:0 0;border:none;justify-content:center;align-items:center;padding:4px;transition:color .2s;display:flex;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.activity-combobox__toggle:hover{color:#333}.activity-combobox__toggle:focus{color:#007bff;outline:none}.activity-combobox__arrow{font-size:12px;transition:transform .2s}.activity-combobox__arrow--up{transform:rotate(180deg)}.activity-combobox__dropdown{z-index:1000;background:#fff;border:1px solid #ddd;border-top:none;border-radius:0 0 4px 4px;max-height:200px;position:absolute;top:100%;left:0;right:0;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.1)}.activity-combobox__list{max-height:200px;margin:0;padding:0;list-style:none;overflow-y:auto}.activity-combobox__option{cursor:pointer;color:#333;border-bottom:1px solid #f0f0f0;padding:8px 12px;font-size:14px;line-height:1.4;transition:background-color .15s}.activity-combobox__option:last-child{border-bottom:none}.activity-combobox__option:hover,.activity-combobox__option--highlighted{background-color:#f8f9fa}.activity-combobox__option--highlighted{background-color:#e3f2fd}.activity-combobox__option[aria-selected=true]{color:#fff;background-color:#007bff}.activity-combobox__no-options{color:#999;text-align:center;padding:8px 12px;font-size:14px;font-style:italic}.activity-combobox--open .activity-combobox__input{border-bottom-color:#ddd;border-bottom-right-radius:0;border-bottom-left-radius:0}.activity-combobox__list{scrollbar-width:thin;scrollbar-color:#ccc transparent}.activity-combobox__list::-webkit-scrollbar{width:6px}.activity-combobox__list::-webkit-scrollbar-track{background:0 0}.activity-combobox__list::-webkit-scrollbar-thumb{background-color:#ccc;border-radius:3px}.activity-combobox__list::-webkit-scrollbar-thumb:hover{background-color:#999}@media (prefers-color-scheme:dark){.activity-combobox__input{color:#fff;background-color:#2d2d2d;border-color:#555}.activity-combobox__input:focus{border-color:#0d6efd}.activity-combobox__input::placeholder{color:#aaa}.activity-combobox__dropdown{background:#2d2d2d;border-color:#555}.activity-combobox__option{color:#fff;border-bottom-color:#444}.activity-combobox__option:hover,.activity-combobox__option--highlighted{background-color:#3d3d3d}.activity-combobox__option--highlighted{background-color:#1e3a5f}.activity-combobox__no-options,.activity-combobox__toggle{color:#aaa}.activity-combobox__toggle:hover{color:#fff}}.teacher-analytics-view__loading{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:400px;display:flex}.teacher-analytics-view__loading p{color:#767676;font-size:14px}.teacher-analytics-view__error{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:24px;min-height:400px;display:flex}.teacher-analytics-view__error p{color:#dc3545;max-width:500px;font-size:14px}.teacher-analytics-view__header-container{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.teacher-analytics-view__header-container .teacher-analytics-view__class-selector{min-width:200px;max-width:300px;margin-left:auto}.teacher-analytics-view__subject-selector{min-width:200px;max-width:300px}.teacher-analytics-view__units-grid{flex-direction:column;gap:16px;width:100%;display:flex}.teacher-analytics-view__sections-container{flex-direction:column;gap:16px;display:flex}.teacher-analytics-view__section-separator{border-bottom:1px solid #eee4dc;margin:16px 0}.teacher-analytics-view__recommendations{gap:var(--spacing-lg);flex-direction:column;width:100%;display:flex}.teacher-analytics-view__section{display:block}.teacher-analytics-view__section-title{color:#333;font-size:22px;font-weight:700;font-family:var(--font-first);margin:0 0 24px}.teacher-analytics-view__legend{justify-content:flex-end;gap:24px;margin-top:16px;display:flex}.teacher-analytics-view__legend-item{align-items:center;gap:8px;display:flex}.teacher-analytics-view__legend-color{border-radius:4px;flex-shrink:0;width:16px;height:16px}.teacher-analytics-view__legend-color--mastered{background-color:#0095a2}.teacher-analytics-view__legend-color--in-progress{background-color:#00b4c5}.teacher-analytics-view__legend-color--not-started{background-color:#d4fbff}.teacher-analytics-view__legend-text{font-size:14px;font-weight:500;font-family:var(--font-second);color:#4e4e4e;line-height:1}.group-learning-block-content{flex-direction:column;gap:16px;padding:16px;display:flex}.group-learning-block-content__header{flex-direction:column;display:flex}.group-learning-block-content__tag-row{justify-content:space-between;align-items:flex-start;margin-bottom:8px;display:flex}.group-learning-block-content__tag-group{align-items:center;gap:4px;display:flex}.group-learning-block-content__kc-info{flex-direction:column;gap:2px;display:flex}.group-learning-block-content__kc-statement{font-family:var(--font-second);color:#333;margin:0;font-size:18px;font-weight:500;line-height:26px}.group-learning-block-content__locations{flex-direction:column;gap:2px;margin:0;padding-left:16px;list-style:disc;display:flex}.group-learning-block-content__location{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;line-height:20px}.group-learning-block-content__percentage-banner{--banner-color:#e04949;border:1px solid var(--banner-color);background-color:rgba(247,104,104,.05);border-radius:8px;padding:12px}.group-learning-block-content__percentage-banner p{font-family:var(--font-second);color:#333;margin:0;font-size:16px;font-weight:500;line-height:24px}.group-learning-block-content__students-section{flex-direction:column;display:flex}.group-learning-block-content__severity-groups{flex-direction:column;gap:16px;margin:0;padding:8px 16px 16px;list-style:none;display:flex}.group-learning-block-content__severity-group{flex-direction:column;gap:8px;display:flex}.group-learning-block-content__severity-group:not(:last-child){border-bottom:1px solid #e0e0e0;padding-bottom:16px}.group-learning-block-content__student-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px;margin:0;padding:0;list-style:none;display:grid}.group-learning-block-content__student-item{align-items:center;gap:8px;min-width:0;padding:8px;display:flex}.group-learning-block-content__student-avatar{--avatar-size:40px;width:var(--avatar-size);height:var(--avatar-size);font-family:var(--font-first);color:#4e4e4e;background-color:#f2f2f2;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex;overflow:hidden}.group-learning-block-content__student-avatar-img{object-fit:cover;border-radius:50%;width:100%;height:100%}.group-learning-block-content__student-info{flex-direction:column;min-width:0;display:flex}.group-learning-block-content__student-name{font-family:var(--font-second);color:#333;white-space:nowrap;text-overflow:ellipsis;font-size:14px;line-height:20px;overflow:hidden}.group-learning-block-content__student-correct{font-family:var(--font-second);color:#767676;align-items:baseline;gap:2px;display:flex}.group-learning-block-content__student-correct-count{font-family:var(--font-second-bold);color:#767676;font-size:12px;font-weight:700;line-height:24px}.group-learning-block-content__student-correct-label{font-size:12px;line-height:20px}.practice-lesson-selection-dialog{--practice-lesson-selection-dialog-tree-max-height:20rem;--practice-lesson-selection-dialog-checkbox-size:1.25rem;--practice-lesson-selection-dialog-mascot-size:3.5rem;--practice-lesson-selection-dialog-lesson-indent:calc(var(--ui-space-md) + var(--practice-lesson-selection-dialog-checkbox-size) + var(--ui-space-sm))}.practice-lesson-selection-dialog__content{gap:var(--ui-space-md);padding:0 0 var(--ui-space-md)0;flex-direction:column;display:flex}.practice-lesson-selection-dialog__section{gap:var(--ui-space-xxs);flex-direction:column;display:flex}.practice-lesson-selection-dialog__section-label{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);color:var(--ui-color-neutral-grey-500);text-transform:uppercase}.practice-lesson-selection-dialog__section-subtitle{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-medium);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);color:var(--ui-color-text-default)}.practice-lesson-selection-dialog__box{border:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-300);border-radius:var(--ui-radius-xl);overflow:hidden}.practice-lesson-selection-dialog__search{padding:var(--ui-space-sm)var(--ui-space-md);background-color:var(--ui-color-neutral-grey-100);border-bottom:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-300);position:relative}.practice-lesson-selection-dialog__search-input{padding:var(--ui-space-xs)var(--ui-space-xxl)var(--ui-space-xs)var(--ui-space-sm);font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);color:var(--ui-color-text-default);background-color:var(--ui-color-neutral-white);border:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-400);border-radius:var(--ui-radius-xl);outline:none;width:100%;transition:border-color .2s}.practice-lesson-selection-dialog__search-input::placeholder{color:var(--ui-color-neutral-grey-500)}.practice-lesson-selection-dialog__search-input:focus{border-color:var(--ui-color-brand-fod-primary-a)}.practice-lesson-selection-dialog__search-icon{top:50%;right:var(--ui-space-lg);color:var(--ui-color-neutral-grey-500);cursor:pointer;background-color:transparent;border:none;justify-content:center;align-items:center;padding:0;display:inline-flex;position:absolute;transform:translateY(-50%)}.practice-lesson-selection-dialog__tree{max-height:var(--practice-lesson-selection-dialog-tree-max-height);margin:0;padding:0;list-style:none;overflow-y:auto}.practice-lesson-selection-dialog__unit{border-bottom:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-300)}.practice-lesson-selection-dialog__unit:last-child{border-bottom:none}.practice-lesson-selection-dialog__unit-row{align-items:center;gap:var(--ui-space-sm);padding:var(--ui-space-xs)var(--ui-space-md);display:flex}.practice-lesson-selection-dialog__unit-main{justify-content:space-between;align-items:center;gap:var(--ui-space-md);text-align:left;cursor:pointer;background-color:transparent;border:none;flex:1;min-width:0;padding:0;display:flex}.practice-lesson-selection-dialog__unit-main--disabled{cursor:default}.practice-lesson-selection-dialog__unit-main--disabled .practice-lesson-selection-dialog__unit-name{color:var(--ui-color-neutral-grey-400)}.practice-lesson-selection-dialog__unit-info{gap:var(--ui-space-xxs);flex-direction:column;min-width:0;display:flex}.practice-lesson-selection-dialog__unit-name{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-24);color:var(--ui-color-text-default);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.practice-lesson-selection-dialog__unit-counter{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);color:var(--ui-color-neutral-grey-500);text-transform:uppercase}.practice-lesson-selection-dialog__unit-aside{align-items:center;gap:var(--ui-space-xxs);flex-shrink:0;display:inline-flex}.practice-lesson-selection-dialog__no-content-label{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-12);line-height:var(--ui-line-height-16);color:var(--ui-color-neutral-grey-500);text-transform:uppercase;white-space:nowrap;flex-shrink:0}.practice-lesson-selection-dialog__chevron{color:var(--ui-color-neutral-grey-600);align-items:center;display:inline-flex}.practice-lesson-selection-dialog__lessons{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.practice-lesson-selection-dialog__lesson{align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-xs);padding-left:var(--practice-lesson-selection-dialog-lesson-indent);border-radius:var(--ui-radius-md-lg);cursor:pointer;display:flex}.practice-lesson-selection-dialog__lesson:hover{background-color:var(--ui-color-neutral-grey-100)}.practice-lesson-selection-dialog__lesson--disabled{cursor:default}.practice-lesson-selection-dialog__lesson--disabled:hover{background-color:transparent}.practice-lesson-selection-dialog__lesson--disabled .practice-lesson-selection-dialog__lesson-name{color:var(--ui-color-neutral-grey-500)}.practice-lesson-selection-dialog__lesson-name{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);color:var(--ui-color-text-default);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.practice-lesson-selection-dialog__lesson-aside{flex-shrink:0;align-items:center;display:inline-flex}.practice-lesson-selection-dialog__checkbox{width:var(--practice-lesson-selection-dialog-checkbox-size);height:var(--practice-lesson-selection-dialog-checkbox-size);color:var(--ui-color-neutral-white);background-color:var(--ui-color-neutral-white);border:var(--ui-stroke-2)solid var(--ui-color-neutral-grey-400);border-radius:var(--ui-radius-md-lg);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:inline-flex}.practice-lesson-selection-dialog__checkbox--checked,.practice-lesson-selection-dialog__checkbox--indeterminate{background-color:var(--ui-color-brand-fod-primary-a);border-color:var(--ui-color-brand-fod-primary-a)}.practice-lesson-selection-dialog__checkbox--disabled{background-color:var(--ui-color-neutral-grey-200);border-color:var(--ui-color-neutral-grey-400);cursor:default}.practice-lesson-selection-dialog__checkbox-dash{height:var(--ui-stroke-2);background-color:var(--ui-color-neutral-white);border-radius:var(--ui-radius-sm);width:.625rem}.practice-lesson-selection-dialog__actions{justify-content:flex-end;align-items:center;gap:var(--ui-space-md);padding:var(--ui-space-sm)var(--ui-space-md);background-color:var(--ui-color-neutral-grey-100);border-top:var(--ui-stroke-1)solid var(--ui-color-neutral-grey-300);display:flex}.practice-lesson-selection-dialog__actions .button{flex:none;width:auto;min-width:0}.practice-lesson-selection-dialog__actions .button:disabled{opacity:.5;background-color:transparent}.practice-lesson-selection-dialog__actions .button--color-primary-outlined{background-color:var(--ui-color-neutral-white);padding-top:0!important;padding-bottom:0!important}.practice-lesson-selection-dialog__state{padding:var(--ui-space-lg);font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-24);color:var(--ui-color-text-secondary);text-align:center;justify-content:center;align-items:center;display:flex}.practice-lesson-selection-dialog__warning{align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-md)var(--ui-space-xs);background-color:var(--ui-color-blue-100);border:var(--ui-stroke-1)solid var(--ui-color-blue-300);border-radius:var(--ui-radius-xl);display:flex}.practice-lesson-selection-dialog__warning-mascot{width:var(--practice-lesson-selection-dialog-mascot-size);height:var(--practice-lesson-selection-dialog-mascot-size);background-image:var(--tangerine-ai-bot-help);background-position:50%;background-repeat:no-repeat;background-size:contain;flex-shrink:0}.practice-lesson-selection-dialog__warning-text{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-24);color:var(--ui-color-neutral-grey-900)}.practice-lesson-selection-dialog__footer-count{font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-26);color:var(--ui-color-text-default)}.practice-status-chip{align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-xxs)var(--ui-space-sm);font-family:var(--ui-font-family-body);font-weight:var(--ui-font-weight-bold);font-size:var(--ui-font-size-14);line-height:var(--ui-line-height-20);white-space:nowrap;border-radius:var(--ui-radius-xxl);flex-shrink:0;display:inline-flex}.practice-status-chip__emoji{font-size:var(--ui-font-size-20);line-height:1}.practice-status-chip--mastered{color:var(--ui-color-green-800);background-color:var(--ui-color-green-200)}.practice-status-chip--in-progress{color:var(--ui-color-blue-800);background-color:var(--ui-color-blue-200)}.practice-status-chip--not-started{color:var(--ui-color-neutral-grey-800);background-color:var(--ui-color-neutral-grey-200)}.practice-status-chip--blocked{color:var(--ui-color-red-800);background-color:var(--ui-color-red-200)}