.chat-header-container{background-color:#fff;border-bottom:1px solid #f2f2f2}.chat-header{background-color:#fff;justify-content:space-between;align-items:center;padding:14px 16px;display:flex;position:relative}.chat-header__left,.chat-header__right{flex:none;align-items:center;gap:8px;display:flex}.chat-header__left{justify-content:flex-start}.chat-header__center{flex:auto;justify-content:center;align-items:center;display:flex}.chat-header__right{justify-content:flex-end}.chat-header__button{cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:8px;transition:background-color .2s;display:flex}.chat-header__button:hover{cursor:pointer}.chat-header__badge{background-color:var(--ui-color-brand-fod-primary-a);color:#fff;border-radius:10px;justify-content:center;align-items:center;min-width:20px;height:20px;margin-left:8px;padding:0 6px;font-size:12px;font-weight:700;display:flex}.chat-header__divider{background-color:#f2f2f2;width:1px;height:30px;margin:0 8px}.status-modal__content{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:24px;display:flex}.status-modal__icon{justify-content:center;align-items:center;width:48px;height:56px;display:flex}.status-modal__bot-icon{background-image:var(--tangerine-ai-bot-happy);background-position:50%;background-repeat:no-repeat;background-size:cover;width:48px;height:56px}.status-modal__bot-icon--error{background-image:var(--tangerine-ai-bot-sad)}.status-modal__text{flex-direction:column;gap:8px;display:flex}.status-modal__title{font-family:var(--font-first);margin:0;font-size:22px;font-weight:600;line-height:32px}.status-modal__title--success{color:#333}.status-modal__message{font-family:var(--font-second);color:#4e4e4e;margin:0;font-size:16px;font-weight:600;line-height:24px}.chat-image-modal-container{border-radius:var(--border-radius-01);background-color:var(--color-background-secondary);justify-content:center;align-items:center;width:100%;min-height:300px;padding:20px;display:flex;position:relative}.chat-image-modal-container .chat-image-modal__image{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:calc(80vh - 200px);display:block}.chat-image-modal-container .chat-image-modal__download-button{background-color:var(--color-background-primary);border:1px solid var(--color-border);border-radius:var(--border-radius-01);cursor:pointer;opacity:.9;z-index:10;justify-content:center;align-items:center;padding:8px;transition:all .2s;display:flex;position:absolute;top:20px;right:20px}.chat-image-modal-container .chat-image-modal__download-button:hover{background-color:var(--color-background-hover);opacity:1;transform:scale(1.05)}.chat-image-modal-container .chat-image-modal__download-button:active{transform:scale(.95)}.chat-image-modal-container .chat-image-modal__download-button svg{color:var(--color-text-primary);width:20px;height:20px}@media (max-width:768px){.chat-image-modal-container{padding:10px}.chat-image-modal-container .chat-image-modal__image{max-height:calc(90vh - 150px)}.chat-image-modal-container .chat-image-modal__download-button{padding:6px;top:10px;right:10px}.chat-image-modal-container .chat-image-modal__download-button svg{width:18px;height:18px}}.chat-mermaid-card{cursor:pointer;background:#fff;border:1px solid #e0e0e0;border-radius:8px;margin:8px 0;transition:all .2s}.chat-mermaid-card:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.chat-mermaid-card--error{color:#e04949;box-shadow:none;cursor:default;background:#fef0ef;border-color:#e04949;padding:8px}.chat-mermaid-card--error:hover{box-shadow:none;border-color:#e04949;transform:none}.chat-mermaid-card__preview{padding:8px;overflow:hidden}.chat-mermaid-card__preview .diagram-mermaid,.chat-mermaid-card__preview .diagram-mermaid *{pointer-events:none;-webkit-user-select:none;user-select:none}.chat-mermaid-card__footer{background-color:#f2f2f2;border-top:1px solid #e0e0e0;border-radius:0 0 8px 8px;padding:16px}.chat-mermaid-card__footer__content{justify-content:space-between;align-items:center;gap:8px;display:flex}.chat-mermaid-card__footer__title{color:#333;align-items:center;gap:4px;font-size:16px;font-weight:600;display:flex}.chat-mermaid-card__footer .icon{color:#333}.chat-badge{border-radius:16px;align-items:center;gap:4px;padding:4px 8px;font-size:14px;display:inline-flex}.chat-badge__emoji{font-size:inherit}.chat-badge__text{font-family:var(--font-second);color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:600;line-height:26px}.chat-badge--practice{background-color:#d6f6ff}.chat-badge--practice .chat-badge__text{color:#0a3366}.chat-badge--study{background-color:#ffe8ff}.chat-badge--study .chat-badge__text{color:#6b0a6b}.chat-badge--revision{background-color:#fff3e0}.chat-badge--revision .chat-badge__text{color:#e65100}.teacher-layout-wrapper{height:100vh;display:flex;overflow:hidden}.teacher-layout-wrapper__sidebar{background:var(--color-background);flex-direction:column;flex-shrink:0;width:13rem;height:100vh;transition:width .3s;display:flex;overflow-x:hidden;overflow-y:auto}.teacher-layout-wrapper__sidebar-header{padding:2.25rem var(--ui-space-md)0;justify-content:space-between;align-items:center;display:flex}.teacher-layout-wrapper__collapse-btn{padding:var(--ui-space-xs);cursor:pointer;border-radius:var(--ui-radius-xl);background:0 0;border:none;justify-content:center;align-items:center;transition:background-color .2s;display:flex}.teacher-layout-wrapper__collapse-btn:hover{background-color:var(--ui-color-brand-fod-lighter)}.teacher-layout-wrapper__collapse-btn .icon{color:var(--ui-color-neutral-grey-700)}.teacher-layout-wrapper__title-container{visibility:visible;transition:opacity .3s;overflow:hidden}.teacher-layout-wrapper__title{padding:var(--ui-space-lg)var(--ui-space-md)0;font-family:var(--ui-font-family-heading);font-size:var(--ui-font-size-22);font-weight:var(--ui-font-weight-semibold);line-height:var(--ui-line-height-28);color:var(--ui-color-neutral-grey-700);white-space:nowrap;margin:0}.teacher-layout-wrapper__navigation{padding:var(--ui-space-lg)0 0 var(--ui-space-md);flex:1;transition:padding .3s}.teacher-layout-wrapper__nav-list{gap:var(--ui-space-xs);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.teacher-layout-wrapper__nav-item{padding:var(--ui-space-xs);border-radius:var(--ui-radius-xl)0 0 var(--ui-radius-xl);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;width:100%;transition:background-color .2s,color .2s;display:flex;overflow:hidden}.teacher-layout-wrapper__nav-item .icon{width:var(--ui-icon-size-md);height:var(--ui-icon-size-md);color:var(--ui-color-neutral-grey-700);flex-shrink:0;transition:color .2s}.teacher-layout-wrapper__nav-item:hover{background:var(--ui-color-brand-fod-lighter)}.teacher-layout-wrapper__nav-item--active{background:var(--ui-color-neutral-white)}.teacher-layout-wrapper__nav-item--active .icon,.teacher-layout-wrapper__nav-item--active .teacher-layout-wrapper__nav-text{color:var(--ui-color-brand-fod-primary-a)}.teacher-layout-wrapper__nav-item--active:hover{background:var(--ui-color-neutral-white)}.teacher-layout-wrapper__nav-skeleton-item{align-items:center;gap:12px;padding:8px 15px;display:flex}.teacher-layout-wrapper__nav-skeleton-text{flex:1}.teacher-layout-wrapper__nav-text{margin-left:var(--ui-space-xs);font-family:var(--ui-font-family-heading);font-weight:var(--ui-font-weight-semibold);font-size:var(--ui-font-size-16);line-height:var(--ui-line-height-26);color:var(--ui-color-neutral-grey-700);white-space:nowrap;opacity:1;width:auto;transition:opacity .2s,width .3s}.teacher-layout-wrapper__dev-toggle{margin-top:auto;padding:16px 20px}.teacher-layout-wrapper__dev-toggle-hint{color:var(--ui-color-neutral-grey-500);margin-top:4px;font-size:11px;line-height:1.3}.teacher-layout-wrapper__main{background:var(--ui-color-neutral-white);flex:1;min-width:0;padding-top:36px;padding-bottom:36px;overflow:auto}.teacher-layout-wrapper__main--default-padding{padding-left:72px;padding-right:72px}.teacher-layout-wrapper__main--left-only-padding{padding-left:72px;padding-right:0}.teacher-layout-wrapper__main--none-padding{padding-left:0;padding-right:0}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar{width:5rem}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar-header{justify-content:center;padding-left:0;padding-right:0}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__sidebar-header .back-arrow{display:none}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__title-container{opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s linear .3s}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__navigation{padding:var(--ui-space-lg)0 0 var(--ui-space-md);align-items:center}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__nav-item{padding:var(--ui-space-xs);justify-content:center}.teacher-layout-wrapper--collapsed .teacher-layout-wrapper__nav-text{opacity:0;width:0;margin-left:0;transition:opacity .2s ease-out,width .3s,margin-left .3s}.teacher-layout-wrapper--show-back-collapsed .teacher-layout-wrapper__sidebar-header .back-arrow{display:flex}.teacher-layout-wrapper__mobile-menu-button,.teacher-layout-wrapper__mobile-menu-backdrop{display:none}.topic-ranking-detail{border-radius:var(--border-radius-01);background-color:#fff;border:1px solid #e0e0e0;border-top:none;border-top-left-radius:0;border-top-right-radius:0;margin-top:4px;padding:8px 24px 16px}.topic-ranking-detail__summary{align-items:center;gap:24px;padding-bottom:8px;display:flex}.topic-ranking-detail__summary-item{font-family:var(--font-second);color:#333;align-items:center;gap:8px;font-size:14px;font-weight:500;line-height:18px;display:flex}.topic-ranking-detail__summary-item svg{flex-shrink:0}.topic-ranking-detail__summary-item .icon--color-default{color:#333}.topic-ranking-detail__table{flex-direction:column;margin-top:8px;display:flex}.topic-ranking-detail__table-header{align-items:center;gap:16px;padding-bottom:2px;display:flex}.topic-ranking-detail__table-header-label{font-family:var(--font-second);color:#4e4e4e;text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:600;line-height:16px}.topic-ranking-detail__table-header-label--student{flex:1;min-width:0}.topic-ranking-detail__table-header-label--queries{flex-shrink:0;min-width:150px}.topic-ranking-detail__table-body{flex-direction:column;display:flex}.topic-ranking-detail__user-row{border-radius:var(--border-radius-01);justify-content:space-between;align-items:center;gap:16px;min-height:36px;padding:4px 8px;display:flex}.topic-ranking-detail__user-row:nth-child(2n){background-color:#f9f9f9}.topic-ranking-detail__user-info{flex:1;align-items:center;gap:8px;min-width:0;display:flex}.topic-ranking-detail__user-name{font-family:var(--font-second);color:#333;white-space:nowrap;font-size:14px;font-weight:500;line-height:20px}.topic-ranking-detail__extended-badge{font-family:var(--font-second);white-space:nowrap;color:#4e4e4e;background-color:#fffaea;border-radius:16px;align-items:center;gap:4px;padding:2px 8px;font-size:14px;font-weight:500;line-height:18px;display:inline-flex}.topic-ranking-detail__extended-badge .icon--color-default{color:#d18436}.topic-ranking-detail__user-queries{flex-shrink:0;justify-content:flex-end;align-items:center;gap:8px;min-width:200px;padding-right:8px;display:flex}.topic-ranking-detail__user-bar{background-color:#f2f2f2;border-radius:3px;width:120px;height:8px;overflow:hidden}.topic-ranking-detail__user-bar-fill{border-radius:3px;height:100%;transition:width .3s}.topic-ranking-detail__user-frequency{font-family:var(--font-first);text-align:right;min-width:32px;font-size:14px;font-weight:700;line-height:20px}.topic-ranking-detail__loading{border-left:2px solid #e0e0e0;justify-content:center;align-items:center;margin-top:4px;padding:16px;display:flex}.topic-ranking-detail__error,.topic-ranking-detail__empty{margin-top:4px;padding:8px 16px 8px 24px}.topic-ranking-detail__error p,.topic-ranking-detail__empty p{font-family:var(--font-second);color:#767676;text-align:center;margin:0;font-size:14px}.topic-ranking-detail--color-1 .topic-ranking-detail__user-bar-fill{background-color:#8e0d8e}.topic-ranking-detail--color-1 .topic-ranking-detail__user-frequency{color:#8e0d8e}.topic-ranking-detail--color-2 .topic-ranking-detail__user-bar-fill{background-color:#97033a}.topic-ranking-detail--color-2 .topic-ranking-detail__user-frequency{color:#97033a}.topic-ranking-detail--color-3 .topic-ranking-detail__user-bar-fill{background-color:#992e19}.topic-ranking-detail--color-3 .topic-ranking-detail__user-frequency{color:#992e19}.topic-ranking-detail--color-4 .topic-ranking-detail__user-bar-fill{background-color:#996008}.topic-ranking-detail--color-4 .topic-ranking-detail__user-frequency{color:#996008}.topic-ranking-detail--color-5 .topic-ranking-detail__user-bar-fill{background-color:#487201}.topic-ranking-detail--color-5 .topic-ranking-detail__user-frequency{color:#487201}.topic-ranking-detail--color-6 .topic-ranking-detail__user-bar-fill{background-color:#0a6910}.topic-ranking-detail--color-6 .topic-ranking-detail__user-frequency{color:#0a6910}.topic-ranking-detail--color-7 .topic-ranking-detail__user-bar-fill{background-color:#02788a}.topic-ranking-detail--color-7 .topic-ranking-detail__user-frequency{color:#02788a}.topic-ranking-detail--color-8 .topic-ranking-detail__user-bar-fill{background-color:#0f4f99}.topic-ranking-detail--color-8 .topic-ranking-detail__user-frequency{color:#0f4f99}.tutor-usage-chart{border-top:1px solid #e0e0e0;flex-direction:column;gap:16px;padding-top:24px;display:flex}.tutor-usage-chart__header{justify-content:space-between;align-items:flex-start;display:flex}.tutor-usage-chart__header-text{flex-direction:column;gap:4px;display:flex}.tutor-usage-chart__title{font-family:var(--font-first);color:#333;margin:0;font-size:18px;font-weight:700;line-height:24px}.tutor-usage-chart__description{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;font-weight:400;line-height:20px}.tutor-usage-chart__filter{flex-shrink:0;min-width:180px}.tutor-usage-chart__container{margin-top:16px}.tutor-usage-chart__legend{align-items:center;gap:16px;margin:0;padding:0;list-style:none;display:flex}.tutor-usage-chart__legend-item{font-family:var(--font-second);color:#4e4e4e;align-items:center;gap:4px;font-size:14px;font-weight:500;line-height:20px;display:flex}.tutor-usage-chart__legend-color{flex-shrink:0;width:28px;height:12px}.unit-metrics-card{align-items:flex-start;gap:24px;width:100%;padding:8px 0;display:flex}.unit-metrics-card__info{flex-direction:column;flex:1;gap:8px;display:flex}.unit-metrics-card__title,.unit-metrics-card__title .text-html *{font-size:18px;font-weight:600;font-family:var(--font-first);color:#4e4e4e;margin:0;line-height:28px}.unit-metrics-card__recommendation-tag{background-color:#fff0f0;border-radius:8px;align-self:flex-start;align-items:center;gap:8px;padding:4px 8px;display:inline-flex}.unit-metrics-card__recommendation-tag--all-good{background-color:#eefaf4}.unit-metrics-card__recommendation-tag--all-good .unit-metrics-card__recommendation-icon,.unit-metrics-card__recommendation-tag--all-good .unit-metrics-card__recommendation-text,.unit-metrics-card__recommendation-tag--all-good .icon{color:#135f3e}.unit-metrics-card__recommendation-icon{color:#ba1f33;font-size:20px}.unit-metrics-card__recommendation-text{font-size:16px;font-weight:500;font-family:var(--font-second);color:#ba1f33;line-height:24px}.unit-metrics-card__progress{flex:4;min-width:0}.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}.course-selector{gap:var(--spacing-sm);flex-wrap:wrap;justify-content:center;display:flex}.course-selector__button{transition:all .2s}.empty-state-analytics{text-align:center;padding:var(--spacing-3xl)var(--spacing-xl);flex-direction:column;justify-content:center;align-items:center;min-height:400px;display:flex}.empty-state-analytics__icon{color:var(--color-text-muted);margin-bottom:var(--spacing-lg);font-size:64px}.empty-state-analytics__message{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-text);margin:0 0 var(--spacing-md)0}.empty-state-analytics__description{font-size:var(--font-size-base);color:var(--color-text-secondary);max-width:500px;margin:0}.quiz-location-dialog .dialog__content{min-height:350px}.quiz-location-dialog__content{padding:20px 0}.quiz-location-dialog__field{margin-bottom:20px}.quiz-location-dialog__field:last-child{margin-bottom:0}.quiz-location-dialog__loading{justify-content:center;align-items:center;min-height:60px;padding:20px;display:flex}.quiz-location-dialog__error-title{color:#e04949;font-family:var(--font-second);font-size:16px;font-style:normal;font-weight:500;line-height:normal}.quiz-location-dialog__error{margin-top:16px}.quiz-location-dialog__error-message{color:#e04949;font-family:var(--font-second);font-size:16px;font-style:normal;font-weight:500;line-height:normal}.teacher-tool-card{cursor:pointer;font-family:var(--font-second);background:#fff;border:1px solid #e0e0e0;border-radius:8px;align-items:flex-start;gap:8px;width:100%;padding:8px;display:flex;position:relative}.teacher-tool-card__icon{flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;display:flex}.teacher-tool-card__content{flex-direction:column;flex:1;gap:8px;min-width:0;display:flex}.teacher-tool-card__title{color:#333;white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:16px;font-weight:700;line-height:20px;overflow:hidden}.teacher-tool-card__description{color:#767676;-webkit-line-clamp:2;line-clamp:2;text-overflow:ellipsis;white-space:normal;-webkit-box-orient:vertical;min-height:36px;margin:0;font-size:14px;font-weight:500;line-height:18px;display:-webkit-box;overflow:hidden}.teacher-tool-card:hover:not(.teacher-tool-card--disabled):not(.teacher-tool-card--pressed):not(.teacher-tool-card--active){outline:1px solid #f2f2f2;box-shadow:0 5px 12px rgba(16,16,16,.05)}.teacher-tool-card--pressed{border-color:#ababab}.teacher-tool-card--active{border-color:var(--ui-color-brand-fod-primary-a);background:#fff}.teacher-tool-card--active:hover{border-color:var(--ui-color-brand-fod-primary-a);box-shadow:0 5px 12px rgba(16,16,16,.05)}.teacher-tool-card--disabled{cursor:not-allowed;background:#f9f9f9;border-color:#f2f2f2}.teacher-tool-card--disabled .teacher-tool-card__title,.teacher-tool-card--disabled .teacher-tool-card__description{color:#828282}.teacher-tool-card--disabled .teacher-tool-card__icon{filter:grayscale()}.teacher-tool-card--disabled:hover{box-shadow:none;border-color:#f2f2f2}@media (max-width:768px){.teacher-tool-card{padding:12px}.teacher-tool-card__title{font-size:14px;line-height:18px}.teacher-tool-card__description{min-height:32px;font-size:12px;line-height:16px}}