.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}.generating-session-dialog__content{justify-content:center;align-items:center;display:flex}.tutor-ai-tabs{align-items:center;gap:8px;display:flex}.tutor-ai-tabs__tab{font-size:14px;font-family:var(--font-second);color:#333;cursor:pointer;border-radius:var(--border-radius-01);padding:8px;line-height:20px;transition:color .2s;position:relative}.tutor-ai-tabs__tab--active{font-family:var(--font-second-bold);color:#333;cursor:default;background-color:#f9f9f9;font-size:14px;line-height:20px}.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}.topic-ranking-item{border-radius:var(--border-radius-01);flex-direction:column;gap:4px;margin:8px 0;padding:8px;display:flex}.topic-ranking-item:hover{cursor:pointer;background-color:#f9f9f9}.topic-ranking-item:last-child{border-bottom:none}.topic-ranking-item__row{justify-content:space-between;align-items:center;gap:16px;margin-bottom:2px;display:flex}.topic-ranking-item__info{align-items:center;gap:16px;min-width:0;margin-right:2px;display:flex}.topic-ranking-item__name{font-family:var(--font-second);color:#333;white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:400;line-height:20px;overflow:hidden}.topic-ranking-item__discipline-badge{font-family:var(--font-second);white-space:nowrap;background-color:#f2f2f2;border-radius:8px;padding:4px 8px;font-size:14px;font-weight:500;line-height:18px}.topic-ranking-item__actions{flex-shrink:0;align-items:center;gap:4px;display:flex}.topic-ranking-item__frequency{font-family:var(--font-first);font-size:14px;font-weight:700;line-height:20px}.topic-ranking-item__chevron{cursor:pointer;color:#767676;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:4px;transition:transform .2s;display:flex}.topic-ranking-item__chevron:hover{background-color:#f2f2f2}.topic-ranking-item__chevron--expanded{transform:rotate(180deg)}.topic-ranking-item__bar{background-color:#f2f2f2;border-radius:3px;width:100%;height:8px;overflow:hidden}.topic-ranking-item__bar-fill{border-radius:3px;height:100%;transition:width .3s}.topic-ranking-item--color-1 .topic-ranking-item__frequency{color:#6b0a6b}.topic-ranking-item--color-1 .topic-ranking-item__bar-fill{background-color:#e047e0}.topic-ranking-item--color-2 .topic-ranking-item__frequency{color:#70022e}.topic-ranking-item--color-2 .topic-ranking-item__bar-fill{background-color:#e3366f}.topic-ranking-item--color-3 .topic-ranking-item__frequency{color:#662014}.topic-ranking-item--color-3 .topic-ranking-item__bar-fill{background-color:#ff7450}.topic-ranking-item--color-4 .topic-ranking-item__frequency{color:#664306}.topic-ranking-item--color-4 .topic-ranking-item__bar-fill{background-color:#ffb233}.topic-ranking-item--color-5 .topic-ranking-item__frequency{color:#305001}.topic-ranking-item--color-5 .topic-ranking-item__bar-fill{background-color:#91d432}.topic-ranking-item--color-6 .topic-ranking-item__frequency{color:#05490b}.topic-ranking-item--color-6 .topic-ranking-item__bar-fill{background-color:#36c03c}.topic-ranking-item--color-7 .topic-ranking-item__frequency{color:#014d5c}.topic-ranking-item--color-7 .topic-ranking-item__bar-fill{background-color:#3ce4f1}.topic-ranking-item--color-8 .topic-ranking-item__frequency{color:#0a3366}.topic-ranking-item--color-8 .topic-ranking-item__bar-fill{background-color:#4eabff}.stat-card{--stat-card-icon-size:36px;--stat-card-toggle-size:24px;border:1px solid #e0e0e0;border-radius:8px;align-items:center;gap:8px;padding:8px 16px;display:flex}.stat-card--expandable{flex-direction:column;align-items:stretch}.stat-card__row{align-items:center;gap:16px;width:100%;display:flex}.stat-card__row--clickable{font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;margin:0;padding:0}.stat-card__row--clickable:hover .stat-card__toggle{color:#333}.stat-card__row--clickable:focus-visible{outline:2px solid var(--color-first);outline-offset:2px}.stat-card__icon{width:var(--stat-card-icon-size);height:var(--stat-card-icon-size);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.stat-card__icon--success{color:#28a773;background-color:#e6fbfc}.stat-card__icon--success .icon--color-default{color:#02788a}.stat-card__icon--rollback{color:#e04949;background-color:#ffeaed}.stat-card__icon--rollback .icon--color-default{color:#97033a}.stat-card__icon--timeline{color:#8e0d8e;background-color:#fff1ff}.stat-card__icon--timeline .icon--color-default{color:#8e0d8e}.stat-card__icon--time{color:#0a6910;background-color:#d7fedb}.stat-card__icon--time .icon--color-default{color:#0a6910}.stat-card__icon--group{background-color:#fffad6}.stat-card__icon--group .icon--color-default{color:#996008}.stat-card__icon--mastery{color:#8e0d8e;background-color:#fff1ff}.stat-card__icon--mastery .icon--color-default{color:#8e0d8e}.stat-card__description{font-family:var(--font-second);color:#4e4e4e;background-color:#f9f9f9;border-radius:8px;margin:0;padding:8px;font-size:14px;line-height:20px}.stat-card__info{flex:1;gap:8px;min-width:0;display:flex}.stat-card--layout-inline .stat-card__info{flex-direction:row-reverse;justify-content:flex-end;align-items:baseline}.stat-card--layout-spread{gap:0}.stat-card--layout-spread .stat-card__info{flex-direction:row;justify-content:space-between}.stat-card--layout-stacked .stat-card__info{flex-direction:column;align-items:flex-start;gap:2px}.stat-card__value{font-family:var(--font-second);color:#333;flex-shrink:0;font-weight:700}.stat-card--layout-inline .stat-card__value,.stat-card--layout-spread .stat-card__value{font-size:18px;line-height:26px}.stat-card__label{font-family:var(--font-second);color:#4e4e4e;font-size:14px;line-height:20px}.stat-card__toggle{width:var(--stat-card-toggle-size);height:var(--stat-card-toggle-size);cursor:pointer;color:#767676;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:transform .4s;display:flex}.stat-card__toggle svg{width:var(--stat-card-toggle-size);height:var(--stat-card-toggle-size)}.stat-card__toggle--expanded{transform:rotate(180deg)}.severity-indicator{align-items:flex-end;gap:2px;height:12px;display:flex}.severity-indicator__bar{border-radius:var(--border-radius-01);width:4px}.severity-indicator--high .severity-indicator__bar{background-color:#f76868}.severity-indicator--medium .severity-indicator__bar{background-color:#ffe08c}.severity-indicator--low .severity-indicator__bar{background-color:#97e0c3}.severity-indicator__bar:first-child{height:4px}.severity-indicator__bar:nth-child(2){height:8px}.severity-indicator__bar:nth-child(3){height:12px}.severity-indicator--high .severity-indicator__bar--active{background-color:#f76868}.severity-indicator--medium .severity-indicator__bar--active{background-color:#d18436}.severity-indicator--low .severity-indicator__bar--active{background-color:#135f3e}.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}.radar-view__toolbar-actions{align-items:center;gap:var(--ui-space-xs);display:flex}.radar-view__toolbar-divider{border-left:var(--ui-stroke-1)solid var(--ui-color-stroke-divider);align-self:stretch}.radar-view__content{flex-direction:column;gap:24px;display:flex}.radar-view__cards{flex-direction:column;gap:16px;padding-bottom:48px;display:flex}.radar-view .button.button--variant-primary-ghost:disabled{opacity:.4;background-color:transparent}