.chat-input{background-color:#fff;flex-wrap:wrap;flex-shrink:0;align-items:flex-end;gap:8px;width:100%;padding:0;display:flex}.chat-input__field-wrapper{background-color:#fff;border:1px solid #e0e0e0;border-radius:24px;flex-direction:column;flex:1;gap:8px;min-height:40px;padding:3px 12px;display:flex;position:relative}.chat-input__field-wrapper:focus-within{border:1px solid var(--color-tangerine-ai,#bc3ebc)}.chat-input__text-row{align-items:flex-end;gap:8px;width:100%;display:flex}.chat-input__recording{transform-origin:100%;width:100%;animation:.22s forwards chat-input-grow-from-right;transform:scaleX(0)}.chat-input__error{color:#e04949;flex-basis:100%;width:100%;margin-bottom:6px;padding-left:4px;font-size:12px;line-height:1.3}.chat-input__field{font-size:16px;font-family:var(--font-second);color:#333;resize:none;background-color:transparent;border:none;outline:none;align-self:center;width:100%;min-height:24px;max-height:72px;margin:0;padding:0;line-height:1.5;overflow-y:auto}.chat-input__field::-webkit-scrollbar{display:none}.chat-input__field{scrollbar-width:none}.chat-input__field--rich{cursor:text;word-wrap:break-word;white-space:pre-wrap}.chat-input__field--rich:empty:not(:focus):before{content:attr(data-placeholder);color:#767676;pointer-events:none;position:absolute}.chat-input__field--rich:not(:focus):has(>br:only-child):before{content:attr(data-placeholder);color:#767676;pointer-events:none;position:absolute}.chat-input__field--rich br{content:"";display:block}.chat-input__formula{cursor:default;-webkit-user-select:none;user-select:none;margin:0 2px;display:inline-block}.chat-input__formula .katex{font-size:16px;line-height:16px;font-family:var(--font-second);display:inline-block}.chat-input__formula .katex-display{text-align:left;margin:0;display:inline-block}.chat-input__formula .katex .katex-html{color:#333}.chat-input__image-preview{background:#f2f2f2;border-radius:12px;align-items:center;width:-webkit-fit-content;width:fit-content;padding:4px;display:flex;position:relative}.chat-input__image-preview img{object-fit:cover;border-radius:8px;width:48px;height:48px}.chat-input__image-remove{cursor:pointer;color:#fff;background:#e0e0e0;border:none;border-radius:50%;justify-content:center;align-items:center;width:16px;height:16px;padding:0;transition:background-color .2s;display:flex;position:absolute;top:-4px;right:-4px}.chat-input__image-remove:hover{background:#101010}.chat-input__image-remove .icon{width:10px;height:10px}.chat-input__image-button{width:24px;top:-10px}.chat-input__image-button .icon{width:20px;height:20px}.chat-input__calculator-button{width:24px}.chat-input__calculator-button .icon{width:20px;height:20px}.chat-input__action-button{background:var(--color-tangerine-ai-gradient,linear-gradient(111deg,#e14de3 12.58%,#8c2a89 100%));cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;min-width:40px;height:40px;padding:8px 12px;transition:transform .2s;display:flex;position:relative;overflow:hidden}.chat-input__action-button:before{content:"";background:var(--color-tangerine-ai-gradient-reverse,linear-gradient(291deg,#e14de3 12.5%,#8c2a89 99.91%));border-radius:inherit;opacity:0;z-index:0;transition:opacity .4s;position:absolute;top:0;bottom:0;left:0;right:0}.chat-input__action-button:after{content:"";background:var(--color-tangerine-ai-dark,#741571);border-radius:inherit;opacity:0;z-index:0;transition:opacity .2s;position:absolute;top:0;bottom:0;left:0;right:0}.chat-input__action-button:hover:before,.chat-input__action-button:active:after{opacity:1}.chat-input__action-button{color:#fff}.chat-input__action-button .icon{z-index:1;width:24px;height:24px;position:relative}.chat-input__action-button:disabled{cursor:not-allowed;background:0 0;transform:none}.chat-input__action-button:disabled:before{content:"";background:var(--color-tangerine-ai-gradient,linear-gradient(111deg,#e14de3 12.58%,#8c2a89 100%));opacity:.4;border-radius:inherit;z-index:0;position:absolute;top:0;bottom:0;left:0;right:0}.chat-input__action-button:disabled:hover{transform:none}.chat-input__action-button:disabled:hover:before{opacity:.4}.chat-input__action-button:disabled:active:after{opacity:0}.chat-input__action-button--recording{background:#e04949;animation:1.5s ease-in-out infinite pulse}.chat-input__action-button--recording:before,.chat-input__action-button--recording:after{display:none}.chat-input__action-button--recording:hover{background:#d22424}.chat-input__action-button--recording:active{background:#bc2020}.chat-input__action-button--recording{color:#fff}.chat-input__field::placeholder{color:#767676}.chat-input--disabled .chat-input__field-wrapper{cursor:not-allowed;background-color:#f9f9f9;border-color:#f2f2f2}.chat-input--disabled .chat-input__field{color:#767676;cursor:not-allowed}.chat-input--disabled .chat-input__field::placeholder{color:#767676}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}@keyframes chat-input-grow-from-right{0%{opacity:0;transform:scaleX(0)}to{opacity:1;transform:scaleX(1)}}.chat-link{color:var(--color-tangerine-ai,#bc3ebc);cursor:pointer;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.chat-link:hover{color:var(--color-tangerine-ai,#bc3ebc);text-decoration:underline}.chat-link:active{color:var(--color-tangerine-ai-dark,#741571);text-decoration:underline}.chat-link:focus{outline:2px solid var(--color-tangerine-ai,#bc3ebc);outline-offset:2px;border-radius:2px}.chat-link:focus-visible{outline:2px solid var(--color-tangerine-ai,#bc3ebc);outline-offset:2px;border-radius:2px}.chat-link:focus:not(:focus-visible){outline:none}.chat-link--disabled{color:var(--color-tangerine-ai,#bc3ebc);opacity:.5;cursor:not-allowed;pointer-events:none;text-decoration:none}.chat-link--disabled:hover{text-decoration:none}.chat-messages{flex-direction:column;flex:1;min-height:0;max-height:100%;padding:16px;display:flex;position:relative;overflow-x:hidden;overflow-y:auto}.chat-messages__container{overflow-y:unset;flex-direction:column;flex:1;gap:10px;display:flex}.chat-messages__container::-webkit-scrollbar{width:8px;height:8px}.chat-messages__container::-webkit-scrollbar-track{background:#f2f2f2}.chat-messages__container::-webkit-scrollbar-thumb{background-color:#ababab;border-radius:20px}.chat-messages__container{scrollbar-width:thin;scrollbar-color:#ababab #f2f2f2}.chat-messages__empty-state{text-align:center;color:#767676;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:32px 16px;display:flex}.chat-messages__empty-state-content{max-width:320px}.chat-messages__empty-state-content h3{color:#333;margin-bottom:12px;font-size:32px}.chat-messages__empty-state-content p{margin:0;font-size:16px;line-height:1.5}.chat-messages__toast{color:#fff;background-color:#333;border-radius:20px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;animation:.3s ease-in-out fadeIn;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.chat-messages--loading{justify-content:center;align-items:center;min-height:200px;display:flex}.chat-messages__loading{padding:16px}.chat-message-container{flex-direction:column;display:flex;position:relative}.chat-message-container:hover .chat-message__debug-actions{opacity:1}.chat-message__debug-actions{opacity:0;gap:4px;transition:opacity .2s;display:flex;position:absolute;top:-8px;right:-8px}.chat-message__context-view{color:#333;background-color:#f2f2f2;border-radius:8px;margin-top:8px;padding:8px;font-size:14px}.chat-message__context-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.chat-message__context-title{color:#767676;margin:0;font-size:14px}.chat-message__debug-button{cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;display:flex}.chat-message__debug-button:hover{background-color:#e0e0e0}.chat-message__context-data{font-family:var(--font-first);white-space:pre-wrap;background-color:#fff;border-radius:4px;max-height:200px;margin:0;padding:8px;font-size:14px;overflow-y:auto}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}.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}.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}.drawer-overlay{z-index:8000;opacity:0;visibility:hidden;background-color:rgba(16,16,16,.15);transition:opacity .3s,visibility .3s;position:fixed;top:0;bottom:0;left:0;right:0}.drawer-overlay--open{opacity:1;visibility:visible}.drawer{z-index:8001;visibility:hidden;background-color:#fff;flex-direction:column;height:100vh;transition:transform .3s,visibility .3s;display:flex;position:fixed;top:0;transform:translate(100%);box-shadow:0 5px 20px rgba(169,155,144,.2)}.drawer--right{right:0}.drawer--left{left:0;transform:translate(-100%)}.drawer--open{visibility:visible;transform:translate(0)}.drawer__header{border-bottom:1px solid #e0e0e0;flex-shrink:0}.drawer__content{flex:1;overflow-y:auto}.drawer__footer{border-top:1px solid #e0e0e0;flex-shrink:0}.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}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:8px 24px;display:flex}.empty-state__icon{border-radius:16px;justify-content:center;align-items:center;width:36px;height:28px;margin-bottom:16px;display:flex}.empty-state__icon--success{background-color:#d7fedb}.empty-state__icon--success .icon--color-default{color:#0a6910}.empty-state__icon--warning{background-color:#fffaea}.empty-state__icon--warning .icon--color-default{color:#d18436}.empty-state__icon--muted{background-color:#f2f2f2}.empty-state__icon--muted .icon--color-default{color:#4e4e4e}.empty-state__icon--info{background-color:#d6f6ff}.empty-state__icon--info .icon--color-default{color:#0f4f99}.empty-state__icon--error{background-color:#ffebe2}.empty-state__icon--error .icon--color-default{color:#992e19}.empty-state__title{font-family:var(--font-first);color:#333;margin:0 0 8px;font-size:16px;font-weight:600;line-height:24px}.empty-state__description{font-family:var(--font-second);color:#333;margin:0;font-size:16px}.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}.select-learning-objectives__button{display:flex}.select-learning-objectives__button .button{border-radius:0 4px 4px 0;width:100%;height:48px}.select-learning-objectives__button input{border-top-right-radius:0;border-bottom-right-radius:0}.select-learning-objectives__input-container{border-radius:var(--border-radius-01);cursor:pointer;background-color:#fff;border:1px solid #e0e0e0;align-items:flex-start;min-height:48px;padding:8px;transition:border-color .2s;display:flex}.select-learning-objectives__input-container:hover{border-color:var(--color-first)}.select-learning-objectives__input-container:focus{border-color:var(--color-first);outline:none}.select-learning-objectives__tags{flex-wrap:wrap;flex:1;align-content:center;align-items:center;gap:8px;min-height:30px;display:flex}.select-learning-objectives__tags .tag{cursor:pointer;background-color:#f9f9f9;border:1px solid #f2f2f2;border-radius:16px;padding:4px 8px}.select-learning-objectives__tags .tag__icon{cursor:pointer}.select-learning-objectives__placeholder{color:#ababab;font-family:var(--font-second);font-size:14px}.select-learning-objectives__chevron{flex-shrink:0;justify-content:center;align-items:center;width:24px;min-height:30px;display:flex}.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{background:#fff;border-color:#bc3ebc}.teacher-tool-card--active:hover{border-color:#bc3ebc;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}}