@keyframes slideIn{0%{opacity:0;transform:translate(100%)}60%{opacity:1;transform:translate(0)}80%{opacity:1;transform:translate(-15%)}to{opacity:1;transform:translate(0)}}.chatbot-button{cursor:pointer;z-index:100;transition:opacity .5s linear;animation:.6s ease-out forwards slideIn;display:flex;position:fixed;bottom:7em;right:2em}.chatbot-button__image{background-image:var(--tangerine-ai-bot);background-position:50%;background-repeat:no-repeat;background-size:cover;width:100px;height:100px}.chatbot-button:focus{outline:none}.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}}.chat-button{font-family:var(--font-first);cursor:pointer;color:inherit;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;gap:12px;padding:0;font-weight:700;text-decoration:none;transition:all .2s ease-in-out;display:inline-flex;position:relative}.chat-button--large{height:40px;padding:8px 12px;font-size:18px}.chat-button--small{gap:8px;height:30px;padding:2px 8px;font-size:16px}.chat-button--icon-only{gap:0}.chat-button--icon-only.chat-button--large{padding:8px}.chat-button--icon-only.chat-button--small{padding:4px}.chat-button--icon-only .chat-button__text{display:none}.chat-button--icon-only{color:var(--ui-color-brand-fod-primary-a)}.chat-button--icon-only:active{color:var(--ui-color-brand-fod-dark)}.chat-button--brand.chat-button--contained{color:#fff;background:var(--ui-gradient-brand)}.chat-button--brand.chat-button--contained:hover:not(:disabled){background:var(--ui-gradient-brand-reverse)}.chat-button--brand.chat-button--contained:active:not(:disabled){background:var(--ui-color-brand-fod-dark)}.chat-button--brand.chat-button--outlined{color:var(--ui-color-brand-fod-primary-a);border:1px solid var(--ui-color-brand-fod-primary-a);background-color:#fff}.chat-button--brand.chat-button--outlined:hover:not(:disabled),.chat-button--brand.chat-button--outlined:active:not(:disabled){color:var(--ui-color-brand-fod-dark);background-color:var(--ui-color-brand-fod-alpha);border-color:var(--ui-color-brand-fod-dark)}.chat-button--brand.chat-button--text{color:var(--ui-color-brand-fod-primary-a);font-family:var(--font-first);background-color:transparent;border-radius:8px}.chat-button--brand.chat-button--text:hover:not(:disabled){color:var(--ui-color-brand-fod-dark);background-color:var(--ui-color-brand-fod-alpha)}.chat-button--brand.chat-button--text.chat-button--icon-only:hover:not(:disabled){background-color:var(--ui-color-brand-fod-lighter);color:var(--ui-color-brand-fod-primary-a)}.chat-button--brand.chat-button--text.chat-button--icon-only:active:not(:disabled){background-color:var(--ui-color-brand-fod-lighter);color:var(--ui-color-brand-fod-dark)}.chat-button--brand.chat-button--text:not(.chat-button--icon-only):hover:not(:disabled),.chat-button--brand.chat-button--text:not(.chat-button--icon-only):active:not(:disabled){color:var(--ui-color-brand-fod-dark);background-color:var(--ui-color-brand-fod-alpha)}.chat-button--brand.chat-button--text.chat-button--active,.chat-button--brand.chat-button--text.chat-button--active:hover:not(:disabled),.chat-button--brand.chat-button--text.chat-button--active:active:not(:disabled){background-color:var(--ui-color-brand-fod-lighter)}.chat-button:disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}.chat-button__text{font-family:var(--font-first);font-weight:700;line-height:26px}.chat-button__icon{color:inherit}.chat-link{color:var(--ui-color-brand-fod-primary-a);cursor:pointer;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.chat-link:hover{color:var(--ui-color-brand-fod-primary-a);text-decoration:underline}.chat-link:active{color:var(--ui-color-brand-fod-dark);text-decoration:underline}.chat-link:focus{outline:2px solid var(--ui-color-brand-fod-primary-a);outline-offset:2px;border-radius:2px}.chat-link:focus-visible{outline:2px solid var(--ui-color-brand-fod-primary-a);outline-offset:2px;border-radius:2px}.chat-link:focus:not(:focus-visible){outline:none}.chat-link--disabled{color:var(--ui-color-brand-fod-primary-a);opacity:.5;cursor:not-allowed;pointer-events:none;text-decoration:none}.chat-link--disabled:hover{text-decoration:none}.chatbot{border-left:var(--ui-stroke-1)solid var(--ui-color-brand-fod-primary-b,var(--ui-color-brand-fod-primary-a));background-color:#fff;flex-direction:column;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.chatbot__header{background-color:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.chatbot__header-left{position:relative}.chatbot__header-wrapper{flex-shrink:0;position:relative}.chatbot__history-button{color:#4e4e4e;cursor:pointer;background:0 0;border:none;border-radius:16px;align-items:center;gap:6px;padding:6px 12px;font-size:16px;transition:background-color .2s;display:flex}.chatbot__history-button:hover,.chatbot__history-button.active{color:#333;background-color:#f2f2f2}.chatbot__close-button{cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:background-color .2s;display:flex}.chatbot__close-button:hover{background-color:#f2f2f2}.chatbot__content{flex-direction:column;flex:1;height:100%;min-height:0;display:flex;position:relative;overflow:hidden}.chatbot__drag-overlay{border:2px dashed var(--ui-color-brand-fod-primary-a);z-index:20;pointer-events:none;background-color:rgba(51,51,51,.25);position:absolute;top:0;bottom:0;left:0;right:0}.chatbot__drag-overlay--invalid{background-color:rgba(224,73,73,.05);border-color:#ba1f33}.chatbot__drag-overlay-text{font-family:var(--font-second-bold);color:#fff;pointer-events:none;white-space:nowrap;text-align:center;background-color:#333;border-radius:8px;padding:8px 16px;font-size:14px;position:absolute;transform:translate(-50%,24px);box-shadow:0 2px 8px rgba(51,51,51,.15)}.chatbot__drag-overlay-text--invalid{color:#333;background-color:#fff;border:1px solid #e04949;align-items:center;gap:8px;padding:4px 8px;display:flex;box-shadow:0 5px 20px rgba(169,155,144,.2)}.chatbot__input-container{z-index:10;background-color:#fff;border-top:1px solid #e0e0e0;flex-direction:column;flex-shrink:0;gap:8px;width:100%;min-height:72px;margin-top:auto;padding:16px 8px;display:flex;position:-webkit-sticky;position:sticky;bottom:0}.chatbot__disclaimer{font-family:var(--font-second);color:#767676;margin:0;padding-left:4px;font-size:12px;line-height:18px}.challenge-type-tag{align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-xxxs)var(--ui-space-xs);border-radius:var(--ui-radius-xxl);font-size:var(--ui-font-size-14);font-weight:var(--ui-font-weight-bold);font-family:var(--ui-font-family-body);line-height:var(--ui-line-height-20);text-overflow:ellipsis;white-space:nowrap;display:inline-flex;overflow:hidden}.challenge-type-tag:before{content:"";width:var(--ui-icon-size-md);height:var(--ui-icon-size-md);font-size:var(--ui-font-size-20);flex-shrink:0;line-height:1}.challenge-type-tag.done{background:var(--ui-color-neutral-grey-100);color:var(--ui-color-neutral-grey-600)}.challenge-type-tag.done:before{filter:grayscale()}.challenge-type-tag--new{background:var(--ui-color-green-200);color:var(--ui-color-green-800)}.challenge-type-tag--new:before{content:"🌱"}.challenge-type-tag--review{background:var(--ui-color-blue-200);color:var(--ui-color-blue-800)}.challenge-type-tag--review:before{content:"🧠"}.challenge-type-tag--improvement{background:var(--ui-color-orange-200);color:var(--ui-color-orange-800)}.challenge-type-tag--improvement:before{content:"🎯"}.challenge-type-tag--combo{background:var(--ui-color-yellow-200);color:var(--ui-color-yellow-800)}.challenge-type-tag--combo:before{content:"⚡"}.practice-origin-label{align-items:center;gap:var(--ui-space-xxs);font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-16);color:var(--ui-color-orange-600);display:inline-flex}.practice-origin-label--tutor{color:var(--ui-color-purple-600)}.practice-scope-tag{align-items:center;gap:var(--ui-space-xs);padding:var(--ui-space-xxxs)var(--ui-space-xs);border-radius:var(--ui-radius-xxl);font-size:var(--ui-font-size-14);font-weight:var(--ui-font-weight-bold);font-family:var(--ui-font-family-body);line-height:var(--ui-line-height-20);text-overflow:ellipsis;white-space:nowrap;display:inline-flex;overflow:hidden}.practice-scope-tag:before{content:"🎯";width:var(--ui-icon-size-md);height:var(--ui-icon-size-md);font-size:var(--ui-font-size-20);flex-shrink:0;line-height:1}.practice-scope-tag{background:var(--ui-color-orange-200);color:var(--ui-color-orange-800)}.practice-mascot-dialog{--practice-mascot-dialog-mascot-width:5rem;--practice-mascot-dialog-mascot-height:5.875rem;--practice-mascot-dialog-mascot-image:none}.practice-mascot-dialog--look-up{--practice-mascot-dialog-mascot-image:var(--tangerine-ai-bot-look-up)}.practice-mascot-dialog--disconnected{--practice-mascot-dialog-mascot-image:var(--tangerine-ai-bot-disconnected)}.practice-mascot-dialog .MuiDialogContent-root{border-top:1px solid var(--ui-color-neutral-grey-200);border-bottom:1px solid var(--ui-color-neutral-grey-200)}.practice-mascot-dialog__content{align-items:center;gap:var(--ui-space-xs);display:flex}.practice-mascot-dialog__mascot{width:var(--practice-mascot-dialog-mascot-width);height:var(--practice-mascot-dialog-mascot-height);background-image:var(--practice-mascot-dialog-mascot-image);background-position:50%;background-repeat:no-repeat;background-size:contain;flex-shrink:0}.practice-mascot-dialog__body{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-24);color:var(--ui-color-neutral-grey-900);flex:1;min-width:0;margin:0}.student-cluster-tooltip{z-index:10;background-color:#fff;border-radius:8px;min-width:180px;padding:8px;position:absolute;transform:translate(-50%,-100%);box-shadow:0 5px 20px rgba(169,155,144,.2)}.student-cluster-tooltip__list{flex-direction:column;display:flex}.student-cluster-tooltip__row{border-radius:4px;align-items:center;gap:8px;height:40px;padding:8px;display:flex}.student-cluster-tooltip__row--clickable{-webkit-appearance:none;appearance:none;text-align:left;font:inherit;cursor:pointer;background:0 0;border:none;width:100%}.student-cluster-tooltip__row--clickable:hover{background-color:#f9f9f9}.student-cluster-tooltip__name{font-family:var(--font-second);color:#4e4e4e;white-space:nowrap;font-size:16px;font-weight:500;line-height:24px}.student-cluster-tooltip__arrow{border-top:8px solid #fff;border-left:6px solid transparent;border-right:6px solid transparent;width:0;height:0;position:absolute;bottom:-8px;left:50%;transform:translate(-50%)}.unit-recommendations-card{width:100%;margin-bottom:16px;display:flex;overflow:hidden}.unit-recommendations-card__indicator{background-color:#00b4c5;border-radius:8px 0 0 8px;flex-shrink:0;width:8px}.unit-recommendations-card__content{background-color:#fff;border:1px solid #d3e9ff;border-left:none;border-radius:0 8px 8px 0;flex-direction:column;flex:1;padding:8px 8px 24px;display:flex}.unit-recommendations-card__header{background-color:rgba(0,180,197,.05);border-radius:8px 8px 0 0;align-items:center;min-height:44px;margin-bottom:24px;padding:8px 10px;display:flex}.unit-recommendations-card__title,.unit-recommendations-card__title .text-html *{font-size:18px;font-weight:600;font-family:var(--font-first);color:#333;margin:0;line-height:28px;display:flex}.unit-recommendations-card__lessons{flex-direction:column;gap:8px;padding:0 16px;display:flex}.unit-recommendations-card__no-recommendations{font-size:16px;font-weight:500;font-family:var(--font-second);color:#828282;margin:0;line-height:24px}.multi-select-checkbox{width:100%}.multi-select-checkbox__badge{background-color:#f9f9f9;border:1px solid #f2f2f2;border-radius:16px;align-items:center;gap:8px;max-width:180px;margin:2px;padding:4px 8px;display:inline-flex}.multi-select-checkbox__badge-text{font-family:var(--font-second);color:#333;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:500;line-height:20px;overflow:hidden}.multi-select-checkbox__badge-remove{cursor:pointer;color:#767676;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;width:16px;height:16px;padding:0;font-size:14px;line-height:1;display:flex}.multi-select-checkbox__badge-remove:hover{color:#333}.multi-select-checkbox__all-selected-label{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-regular);line-height:var(--ui-line-height-24);color:var(--ui-color-neutral-grey-600);white-space:nowrap;text-overflow:ellipsis;min-width:0;overflow:hidden}.multi-select-checkbox__option{cursor:pointer;background-color:#fff;border-bottom:1px solid #f2f2f2;align-items:center;padding:8px;display:flex}.multi-select-checkbox__option .chat-checkbox{pointer-events:none}.multi-select-checkbox__option .chat-checkbox__custom{border-color:#ababab;border-radius:2px;width:18px;height:18px}.multi-select-checkbox__option .chat-checkbox__text{font-family:var(--font-second);color:#4e4e4e;font-size:16px;font-weight:500;line-height:24px}.multi-select-checkbox .select-customizable__control{flex-wrap:nowrap}.multi-select-checkbox .select-customizable__value-container{flex-wrap:nowrap;flex:auto;align-items:center;min-width:0;display:flex;position:relative;overflow:hidden}.multi-select-checkbox .select-customizable__placeholder{white-space:nowrap;text-overflow:ellipsis;min-width:0;position:static;overflow:hidden;transform:none}.multi-select-checkbox .select-customizable__indicators{flex-shrink:0}.multi-select-checkbox .select-customizable__menu-list{border-radius:4px;padding:0}.multi-select-checkbox .select-customizable__menu-list>.multi-select-checkbox__option:last-child{border-bottom:none}.multi-select-checkbox .select-customizable__option{background-color:transparent!important;padding:0!important}.multi-select-checkbox .select-customizable__option:hover,.multi-select-checkbox .select-customizable__option--is-focused{color:inherit!important;background-color:#f9f9f9!important}.multi-select-checkbox .select-customizable__option--is-selected{background-color:transparent!important}.severity-badge{flex-direction:column;flex-shrink:0;align-items:flex-start;gap:2px;display:flex}.severity-badge__label{font-family:var(--font-second);color:#767676;font-size:14px;font-weight:500;line-height:18px}.severity-badge__row{align-items:center;gap:4px;display:flex}.severity-badge__level{font-family:var(--font-second);color:#333;font-size:14px;font-weight:500;line-height:16px}.severity-badge--horizontal{flex-direction:row;align-items:center;gap:4px}.learning-block-content{flex-direction:column;gap:16px;padding:16px;display:flex}.learning-block-content__header{flex-direction:column;display:flex}.learning-block-content__label-row{justify-content:space-between;align-items:flex-start;margin-bottom:8px;display:flex}.learning-block-content__label-group{align-items:center;gap:4px;display:flex}.learning-block-content__kc-info{flex-direction:column;gap:2px;display:flex}.learning-block-content__kc-statement{font-family:var(--font-second);color:#333;margin:0;font-size:18px;font-weight:500;line-height:26px}.learning-block-content__locations{flex-direction:column;gap:2px;margin:0;padding-left:16px;list-style:disc;display:flex}.learning-block-content__location{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;line-height:20px}.learning-block-content__stats{flex-direction:column;gap:8px;display:flex}.course-selector{gap:var(--spacing-sm);flex-wrap:wrap;justify-content:center;display:flex}.course-selector__button{transition:all .2s}