.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-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}.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--large .chat-button__icon svg,.chat-button--large .chat-button__icon-right svg,.chat-button--large .icon__wrapper svg{width:24px;height:24px}.chat-button--small{gap:8px;height:30px;padding:2px 8px;font-size:16px}.chat-button--small .chat-button__icon{width:16px;height: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(--color-tangerine-ai,#bc3ebc)}.chat-button--icon-only svg path{fill:var(--color-tangerine-ai,#bc3ebc)!important}.chat-button--icon-only:active{color:var(--color-tangerine-ai-dark,#741571)}.chat-button--icon-only:active svg path{fill:var(--color-tangerine-ai-dark,#741571)!important}.chat-button--brand.chat-button--contained{color:#fff;background:var(--color-tangerine-ai-gradient,linear-gradient(111deg,#e14de3 12.58%,#8c2a89 100%))}.chat-button--brand.chat-button--contained:hover:not(:disabled){background:var(--color-tangerine-ai-gradient-reverse,linear-gradient(291deg,#e14de3 12.5%,#8c2a89 99.91%))}.chat-button--brand.chat-button--contained:active:not(:disabled){background:var(--color-tangerine-ai-dark,#741571)}.chat-button--brand.chat-button--contained.chat-button--has-shadow.chat-button--large{box-shadow:0 3px rgba(188,62,188,.3)}.chat-button--brand.chat-button--contained.chat-button--has-shadow.chat-button--large:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px rgba(188,62,188,.3)}.chat-button--brand.chat-button--contained.chat-button--has-shadow.chat-button--large:active:not(:disabled){transform:translateY(1px);box-shadow:inset 0 3px rgba(188,62,188,.3)}.chat-button--brand.chat-button--contained.chat-button--has-shadow.chat-button--small{box-shadow:0 3px rgba(188,62,188,.3)}.chat-button--brand.chat-button--contained.chat-button--has-shadow.chat-button--small:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px rgba(188,62,188,.3)}.chat-button--brand.chat-button--contained.chat-button--has-shadow.chat-button--small:active:not(:disabled){transform:translateY(1px);box-shadow:inset 0 3px rgba(188,62,188,.3)}.chat-button--brand.chat-button--outlined{color:var(--color-tangerine-ai,#bc3ebc);border:1px solid var(--color-tangerine-ai,#bc3ebc);background-color:#fff}.chat-button--brand.chat-button--outlined.chat-button--has-shadow.chat-button--large{box-shadow:0 3px rgba(188,62,188,.2)}.chat-button--brand.chat-button--outlined.chat-button--has-shadow.chat-button--large:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px rgba(188,62,188,.2)}.chat-button--brand.chat-button--outlined.chat-button--has-shadow.chat-button--large:active:not(:disabled){transform:translateY(1px);box-shadow:inset 0 3px rgba(188,62,188,.2)}.chat-button--brand.chat-button--outlined.chat-button--has-shadow.chat-button--small{box-shadow:0 3px rgba(188,62,188,.2)}.chat-button--brand.chat-button--outlined.chat-button--has-shadow.chat-button--small:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px rgba(188,62,188,.2)}.chat-button--brand.chat-button--outlined.chat-button--has-shadow.chat-button--small:active:not(:disabled){transform:translateY(1px);box-shadow:inset 0 3px rgba(188,62,188,.2)}.chat-button--brand.chat-button--outlined:hover:not(:disabled),.chat-button--brand.chat-button--outlined:active:not(:disabled){color:var(--color-tangerine-ai-dark,#741571);background-color:var(--color-tangerine-ai-alpha,rgba(188,62,188,.15));border-color:var(--color-tangerine-ai-dark,#741571)}.chat-button--brand.chat-button--outlined.chat-button--icon-right svg path{fill:var(--color-tangerine-ai,#bc3ebc)}.chat-button--brand.chat-button--text{color:var(--color-tangerine-ai,#bc3ebc);font-family:var(--font-first);background-color:transparent;border-radius:8px}.chat-button--brand.chat-button--text.chat-button--icon-right svg path{fill:var(--color-tangerine-ai,#bc3ebc)}.chat-button--brand.chat-button--text:hover:not(:disabled){color:var(--color-tangerine-ai-dark,#741571);background-color:var(--color-tangerine-ai-alpha,rgba(188,62,188,.15))}.chat-button--brand.chat-button--text:hover:not(:disabled).chat-button--icon-right svg path{fill:var(--color-tangerine-ai-dark,#741571)}.chat-button--brand.chat-button--text.chat-button--icon-only:hover:not(:disabled){background-color:var(--color-tangerine-ai-lighter,#d068d0)}.chat-button--brand.chat-button--text.chat-button--icon-only:hover:not(:disabled) svg path{fill:var(--color-tangerine-ai,#bc3ebc)!important}.chat-button--brand.chat-button--text.chat-button--icon-only:active:not(:disabled){background-color:var(--color-tangerine-ai-lighter,#d068d0)}.chat-button--brand.chat-button--text.chat-button--icon-only:active:not(:disabled) svg path{fill:var(--color-tangerine-ai-dark,#741571)!important}.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(--color-tangerine-ai-dark,#741571);background-color:var(--color-tangerine-ai-alpha,rgba(188,62,188,.15))}.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:var(--color-tangerine-ai,#bc3ebc)}.chat-button__icon svg path{fill:var(--color-tangerine-ai,#bc3ebc)!important}.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-content-references{background-color:var(--color-gray-07);border-top:1px solid #e0e0e0;border-radius:0 0 8px;padding:8px}.chat-content-references__title{color:#828282;font-size:14px;font-weight:600;line-height:30px;font-family:var(--font-second)}.chat-content-references__label{color:#828282;margin-right:8px;font-size:15px;font-weight:600}.chat-content-references__button{color:var(--color-tangerine-ai,#bc3ebc);cursor:pointer;background:0 0;border:none;padding:0;font-size:14px;text-decoration:underline}.chat-content-references__button svg path{fill:var(--color-tangerine-ai,#bc3ebc)}.chat-content-references__button:hover{color:var(--color-tangerine-ai-dark,#741571)}.chat-content-references__header{justify-content:space-between;align-items:center;gap:8px;width:100%;display:flex}.chat-content-references__list{flex-direction:column;gap:8px;transition:all .2s;display:flex}.chat-content-references__list--hidden{display:none}.chat-content-references__item{color:var(--color-tangerine-ai,#bc3ebc);flex-direction:column;gap:2px;max-width:212px;font-size:15px;text-decoration:none;transition:background-color .2s;display:flex}.chat-content-references__item:hover{text-decoration:underline}.chat-content-references__item:active{color:var(--color-tangerine-ai-dark,#741571)}.chat-content-references__item span p{margin:0;display:inline}.chat-content-references__item-title{color:var(--color-tangerine-ai,#bc3ebc);font-weight:600;display:block}.chat-content-references__section{margin-bottom:12px}.chat-content-references__section:last-child{margin-bottom:0}.chat-content-references__section-header{align-items:center;gap:8px;margin-bottom:8px;display:flex}.chat-content-references__section-icon{align-items:center;font-size:16px;display:flex}.chat-content-references__section-title{font-size:12px;font-weight:600;font-family:var(--font-second);color:#4e4e4e}.chat-content-references__section-links{flex-direction:column;gap:8px;display:flex}.chat-content-references__separator{background-color:#e0e0e0;width:100%;height:1px}.chat-content-references__link{font-size:14px;font-family:var(--font-second);word-break:break-word;line-height:1.4;display:block}.chat-content-references__link-text{display:block}.chat-content-references__snippet{color:#333;margin-bottom:4px;font-size:14px;font-style:italic;line-height:1.4;display:block}.chat-content-references__domain{color:#333;font-size:12px;display:block}.chat-content-references--expanded{flex-direction:column;gap:8px;display:flex}.chat-content-references--expanded .chat-content-references__header{border-bottom:1px solid #e0e0e0;padding-bottom:0}@media screen and (max-width:768px){.chat-content-references{margin-top:12px;padding:10px 12px}.chat-content-references__item{padding:3px 10px;font-size:11px}}.chat-checkbox{font-size:14px;display:block}.chat-checkbox__label{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:flex-start;gap:8px;display:flex}.chat-checkbox__input-wrapper{flex-shrink:0;margin-top:2px;position:relative}.chat-checkbox__input{opacity:0;width:0;height:0;position:absolute}.chat-checkbox__custom{background-color:#fff;border:2px solid #e0e0e0;border-radius:4px;justify-content:center;align-items:center;width:20px;height:20px;transition:all .2s;display:flex;position:relative}.chat-checkbox__custom:after{content:"";opacity:0;border-radius:4px;transition:opacity .2s;position:absolute;top:-2px;bottom:-2px;left:-2px;right:-2px}.chat-checkbox__checkmark{opacity:0;font-size:12px;transition:all .2s;transform:scale(.8)}.chat-checkbox__content{flex-direction:column;flex:1;gap:4px;display:flex}.chat-checkbox__text{font-family:var(--font-second);color:#333;font-size:14px;font-weight:600;line-height:1.6}.chat-checkbox__description{color:#828282;font-size:12px;line-height:1.4}.chat-checkbox__label:hover .chat-checkbox__custom{border-color:var(--color-first);background-color:var(--color-first-alpha)}.chat-checkbox__input:checked+.chat-checkbox__custom{background-color:var(--color-first);border-color:var(--color-first)}.chat-checkbox__input:checked+.chat-checkbox__custom .chat-checkbox__checkmark{opacity:1;transform:scale(1)}.chat-checkbox__label:active .chat-checkbox__custom{background-color:var(--color-first);border-color:var(--color-first);transform:scale(.95)}.chat-checkbox__label:active .chat-checkbox__custom:after{opacity:.2;background-color:var(--color-first)}.chat-checkbox__input:focus-visible+.chat-checkbox__custom{outline:2px solid var(--color-first);outline-offset:2px}.chat-checkbox--disabled .chat-checkbox__label{cursor:not-allowed}.chat-checkbox--disabled .chat-checkbox__custom{opacity:.5;background-color:#f2f2f2;border-color:#e0e0e0}.chat-checkbox--disabled .chat-checkbox__text,.chat-checkbox--disabled .chat-checkbox__description{opacity:.5}.chat-checkbox--disabled .chat-checkbox__label:hover .chat-checkbox__custom{background-color:#f2f2f2;border-color:#e0e0e0}.chat-checkbox--position-right .chat-checkbox__label{flex-direction:row-reverse;justify-content:space-between}.chat-checkbox--position-right .chat-checkbox__input-wrapper{margin-top:0}.chat-checkbox--position-right .chat-checkbox__content{flex:1}.distribution-bar,.distribution-bar__container{width:100%;position:relative}.distribution-bar__container--with-labels-above{margin-top:40px}.distribution-bar__segments-wrapper{width:100%;height:24px;display:flex}.distribution-bar__segment-wrapper{flex-direction:column;align-items:center;height:24px;display:flex;position:relative}.distribution-bar__segment-wrapper--with-border:after{content:"";border-right:2px dashed #0095a2;width:1px;position:absolute;top:-10px;bottom:-10px;right:0}.distribution-bar__label-container{z-index:2;flex-direction:column;align-items:center;display:flex;position:absolute;top:-40px;left:100%;transform:translate(-50%)}.distribution-bar__label-container--last{transform:translate(-100%)}.distribution-bar__percentage-value{font-size:18px;font-weight:700;font-family:var(--font-first);color:#4e4e4e;white-space:nowrap;line-height:28px}.distribution-bar__segment{justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}.distribution-bar__segment--mastered{background-color:#0095a2}.distribution-bar__segment--in-progress{background-color:#00b4c5}.distribution-bar__segment--not-started{background-color:#d4fbff}.distribution-bar__segment-label{font-size:12px;font-weight:600;font-family:var(--font-first);color:#333;white-space:nowrap;z-index:1}.distribution-bar__segment--first{border-radius:8px 0 0 8px}.distribution-bar__segment--last{border-radius:0 8px 8px 0}.distribution-bar__segment--only{border-radius:8px}.distribution-bar__segment-wrapper:first-child .distribution-bar__segment{border-radius:8px 0 0 8px}.distribution-bar__segment-wrapper:last-child .distribution-bar__segment{border-radius:0 8px 8px 0}.distribution-bar__segment-wrapper:only-child .distribution-bar__segment{border-radius:8px}.distribution-bar__legend{gap:16px;margin-top:16px;display:flex}.distribution-bar__legend-item{align-items:center;gap:8px;display:flex}.distribution-bar__legend-color{border-radius:2px;flex-shrink:0;width:28px;height:12px}.distribution-bar__legend-text{color:#4e4e4e;font-family:Lato Regular,sans-serif;font-size:14px;font-weight:500;line-height:1}.distribution-bar__labels{display:none}.distribution-bar--small .distribution-bar__container--with-labels-above{margin-top:26px}.distribution-bar--small .distribution-bar__segments-wrapper,.distribution-bar--small .distribution-bar__segment-wrapper{height:8px}.distribution-bar--small .distribution-bar__label-container{top:-26px}.distribution-bar--small .distribution-bar__segment--first{border-radius:4px 0 0 4px}.distribution-bar--small .distribution-bar__segment--last{border-radius:0 4px 4px 0}.distribution-bar--small .distribution-bar__segment--only{border-radius:4px}.distribution-bar--small .distribution-bar__percentage-value{font-family:var(--font-first);color:#4e4e4e;text-align:right;font-size:14px;font-weight:500;line-height:20px}