.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(--color-tangerine-ai,#bc3ebc);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}.chat-audio-recorder{background:var(--color-tangerine-ai,#bc3ebc);border-radius:24px;width:100%;min-height:40px;position:relative;overflow:hidden}.chat-audio-recorder__content{z-index:1;color:#fff;justify-content:space-between;align-items:center;gap:12px;padding:4px 12px;display:flex;position:relative}.chat-audio-recorder__waves{flex:1;align-items:center;gap:3px;height:30px;margin-right:8px;display:inline-flex}.chat-audio-recorder__waves span{background:rgba(255,255,255,.95);border-radius:2px;width:4px;height:4px}.chat-audio-recorder__actions{flex-shrink:0;align-items:center;gap:8px;display:inline-flex}.chat-audio-recorder__icon-btn{cursor:pointer;background:#f9f9f9;border:1px solid #f2f2f2;border-radius:50%;place-items:center;width:24px;height:24px;padding:0;transition:all .2s ease-in-out;display:grid}.chat-audio-recorder__icon-btn--white{background:#fff;border:1px solid #f2f2f2;box-shadow:0 1px 2px rgba(0,0,0,.08)}.chat-audio-recorder__icon-btn svg{width:16px;height:16px}.chat-audio-recorder__icon-btn:not(:disabled):hover{background:#f2f2f2;border:1px solid #e0e0e0}.chat-audio-recorder__icon-btn:not(:disabled):active{background:#f9f9f9;transform:translateY(0);box-shadow:inset 0 3px rgba(224,224,224,.7)}.chat-audio-recorder__icon-btn:disabled{cursor:not-allowed;background:#f2f2f2;transform:none;box-shadow:0 1px 2px rgba(0,0,0,.05)}.chat-d3-card{cursor:pointer;background:#fff;border:1px solid #e0e0e0;border-radius:8px;margin:8px 0;transition:all .2s}.chat-d3-card:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.chat-d3-card__header{padding:8px}.chat-d3-card__title{font-family:var(--font-second);color:#4e4e4e;flex:1;font-size:18px;font-weight:700}.chat-d3-card__footer{background-color:#f9f9f9;border-top:1px solid #e0e0e0;border-radius:0 0 8px 8px;margin-top:0;padding:8px}.chat-d3-card__footer__content{justify-content:space-between;align-items:center;gap:8px;display:flex}.chat-d3-card__footer__title{color:#333;align-items:center;gap:4px;font-size:16px;font-weight:600;display:flex}.chat-d3-card__footer__title svg path{fill:#333}.chat-d3-card__footer__button{color:var(--color-tangerine-ai,#bc3ebc);cursor:pointer;background:0 0;border:none;padding:0;font-size:14px;text-decoration:underline}.chat-d3-card__footer__button:hover{color:var(--color-tangerine-ai-dark,#741571)}.chat-mermaid-modal-container{border-radius:var(--border-radius-01);justify-content:center;align-items:center;width:100%;min-height:300px;padding:20px;display:flex}.chat-mermaid-modal-container .chat-mermaid-modal__diagram{text-align:center}.chat-mermaid-modal-container .chat-mermaid-modal__diagram svg{max-width:100%;height:auto}.quadrant-chart{min-height:600px;padding:0;position:relative}.quadrant-chart--loading{justify-content:center;align-items:center;display:flex}.quadrant-chart__corner-label{font-family:var(--font-second);color:#333;white-space:nowrap;z-index:2;border-radius:16px;padding:4px 8px;font-size:14px;font-weight:500;line-height:20px;position:absolute}.quadrant-chart__corner-label--top-left{background-color:#ffebe2;top:0;left:0}.quadrant-chart__corner-label--top-right{background-color:#d7fedb;top:0;right:0}.quadrant-chart__corner-label--bottom-left{background-color:#ffeaed;bottom:0;left:0}.quadrant-chart__corner-label--bottom-right{background-color:#d6f6ff;bottom:0;right:0}.quadrant-chart__axis-horizontal{z-index:1;background-color:#767676;height:1px;position:absolute;top:50%;left:0;right:0}.quadrant-chart__axis-vertical{z-index:1;background-color:#767676;width:1px;position:absolute;top:0;bottom:0;left:50%}.quadrant-chart__axis-label{font-family:var(--font-second);color:#4e4e4e;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;z-index:2;background-color:#fff;align-items:center;gap:4px;padding:8px 0;font-size:12px;font-weight:700;line-height:18px;display:flex;position:absolute}.quadrant-chart__axis-label .icon__wrapper{flex-shrink:0}.quadrant-chart__axis-label--x-negative{top:50%;left:0;transform:translateY(calc(-100% - 2px))}.quadrant-chart__axis-label--x-positive{top:50%;right:0;transform:translateY(calc(-100% - 2px))}.quadrant-chart__axis-label--y-positive{top:0;left:50%;transform:translate(-50%)}.quadrant-chart__axis-label--y-negative{bottom:0;left:50%;transform:translate(-50%)}.quadrant-chart__area{z-index:3;width:100%;height:600px;position:relative}.quadrant-chart__cluster{cursor:pointer;border-radius:60px;justify-content:center;align-items:center;display:flex;position:absolute}.quadrant-chart__cluster--single .avatar{width:48px;height:48px}.quadrant-chart__cluster--multi{background-color:#333;border:2px solid #fff}.quadrant-chart__cluster-count{font-family:var(--font-second);color:#fff;font-size:16px;font-weight:700;line-height:24px}.student-xray-drawer__header{border-bottom:1px solid #f2f2f2;justify-content:space-between;align-items:center;padding:8px;display:flex}.student-xray-drawer__student-info{align-items:center;gap:8px;display:flex}.student-xray-drawer__student-text{flex-direction:column;display:flex}.student-xray-drawer__student-name{font-family:var(--font-first-semi);color:#333;font-size:16px;font-weight:600;line-height:26px}.student-xray-drawer__student-class{font-family:var(--font-second);color:#767676;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__close-btn{cursor:pointer;color:#767676;background:0 0;border:none;justify-content:center;align-items:center;width:24px;height:24px;padding:0;display:flex}.student-xray-drawer__close-btn:hover{color:#333}.student-xray-drawer__body{flex-direction:column;gap:24px;padding:8px 16px;display:flex;overflow-y:auto}.student-xray-drawer__stats{gap:8px;display:flex}.student-xray-drawer__stat-card{border:1px solid #e0e0e0;border-radius:8px;flex:1;padding:8px 16px}.student-xray-drawer__stat-label{font-family:var(--font-second);color:#4e4e4e;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__stat-value-row{align-items:baseline;gap:4px;display:flex}.student-xray-drawer__stat-value{font-family:var(--font-second);color:#333;font-size:18px;font-weight:700;line-height:26px}.student-xray-drawer__stat-unit{font-family:var(--font-second);color:#767676;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__quality-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.student-xray-drawer__quality-label{font-family:var(--font-second);color:#333;font-size:16px;font-weight:500;line-height:24px}.student-xray-drawer__quality-percentage{font-family:var(--font-second);color:#6b0a6b;font-size:14px;font-weight:700;line-height:17px}.student-xray-drawer__quality-bar{background-color:#f2f2f2;border-radius:4px;height:8px;margin-bottom:8px;overflow:hidden}.student-xray-drawer__quality-bar-fill{background-color:#e047e0;border-radius:4px;height:100%}.student-xray-drawer__quality-description{font-family:var(--font-second);color:#4e4e4e;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__intent-section-title{font-family:var(--font-second);color:#333;margin-bottom:8px;font-size:16px;font-weight:500;line-height:24px}.student-xray-drawer__intent-list{flex-direction:column;gap:16px;display:flex}.student-xray-drawer__intent-row{flex-direction:column;gap:8px;display:flex}.student-xray-drawer__intent-header{justify-content:space-between;align-items:center;display:flex}.student-xray-drawer__intent-label{font-family:var(--font-second);color:#4e4e4e;font-size:14px;font-weight:500;line-height:20px}.student-xray-drawer__intent-percentage{font-family:var(--font-second);font-size:14px;font-weight:700;line-height:17px}.student-xray-drawer__intent-bar{background-color:#f2f2f2;border-radius:4px;height:8px;overflow:hidden}.student-xray-drawer__intent-bar-fill{border-radius:4px;height:100%}.student-xray-drawer__intent-row--color-1 .student-xray-drawer__intent-percentage{color:#6b0a6b}.student-xray-drawer__intent-row--color-1 .student-xray-drawer__intent-bar-fill{background-color:#e047e0}.student-xray-drawer__intent-row--color-2 .student-xray-drawer__intent-percentage{color:#70022e}.student-xray-drawer__intent-row--color-2 .student-xray-drawer__intent-bar-fill{background-color:#e3366f}.student-xray-drawer__intent-row--color-3 .student-xray-drawer__intent-percentage{color:#662014}.student-xray-drawer__intent-row--color-3 .student-xray-drawer__intent-bar-fill{background-color:#ff7450}.student-xray-drawer__intent-row--color-4 .student-xray-drawer__intent-percentage{color:#664306}.student-xray-drawer__intent-row--color-4 .student-xray-drawer__intent-bar-fill{background-color:#ffb233}.student-xray-drawer__intent-row--color-5 .student-xray-drawer__intent-percentage{color:#305001}.student-xray-drawer__intent-row--color-5 .student-xray-drawer__intent-bar-fill{background-color:#91d432}.student-xray-drawer__intent-row--color-6 .student-xray-drawer__intent-percentage{color:#05490b}.student-xray-drawer__intent-row--color-6 .student-xray-drawer__intent-bar-fill{background-color:#36c03c}.student-xray-drawer__intent-row--color-7 .student-xray-drawer__intent-percentage{color:#014d5c}.student-xray-drawer__intent-row--color-7 .student-xray-drawer__intent-bar-fill{background-color:#3ce4f1}.student-xray-drawer__intent-row--color-8 .student-xray-drawer__intent-percentage{color:#0a3366}.student-xray-drawer__intent-row--color-8 .student-xray-drawer__intent-bar-fill{background-color:#4eabff}.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.icon--lib-skin path{fill:#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.icon--lib-skin path{fill:#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-section{flex-direction:column;gap:24px;display:flex}.tutor-usage-section__title{font-family:var(--font-first);color:#333;margin:0;font-size:18px;font-weight:700;line-height:28px}.tutor-usage-section__stats{gap:16px;margin:0;padding:0;list-style:none;display:flex}.tutor-usage-section__stat-card{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;flex-direction:column;flex:1;gap:8px;padding:8px 16px;display:flex}.tutor-usage-section__stat-header{justify-content:space-between;align-items:center;display:flex}.tutor-usage-section__stat-icon{border-radius:8px;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.tutor-usage-section__stat-icon--purple{background-color:#fff1ff}.tutor-usage-section__stat-icon--purple .icon--color-default.icon--lib-core path{fill:#8e0d8e}.tutor-usage-section__stat-icon--blue{background-color:#d6f6ff}.tutor-usage-section__stat-icon--blue .icon--color-default.icon--lib-skin path{fill:#0f4f99}.tutor-usage-section__stat-icon--orange{background-color:#ffebe2}.tutor-usage-section__stat-icon--orange .icon--color-default.icon--lib-skin path{fill:#992e19}.tutor-usage-section__stat-icon--green{background-color:#d7fedb}.tutor-usage-section__stat-icon--green .icon--color-default.icon--lib-skin path{fill:#0a6910}.tutor-usage-section__stat-info-icon{cursor:help;opacity:.5;align-items:center;display:flex}.tutor-usage-section__stat-info-icon:hover{opacity:.8}.tutor-usage-section__stat-label{font-family:var(--font-second);color:#4e4e4e;margin:8px 0 0;font-size:14px;font-weight:500;line-height:20px}.tutor-usage-section__stat-value{font-family:var(--font-second);color:#333;margin:0;font-size:18px;font-weight:700;line-height:26px}.tutor-usage-section__stat-subtitle{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;font-weight:500;line-height:20px}.tutor-usage-section__stat-trend{font-family:var(--font-second);align-items:center;gap:2px;margin:8px 0 0;font-size:12px;font-weight:600;line-height:18px;display:flex}.tutor-usage-section__stat-trend .icon__wrapper{margin-right:8px}.tutor-usage-section__stat-trend .icon__wrapper svg{width:16px;height:16px}.tutor-usage-section__stat-trend--positive{color:#135f3e}.tutor-usage-section__stat-trend--positive .icon--color-success.icon--lib-core{fill:#135f3e}.tutor-usage-section__stat-trend--positive .tutor-usage-section__stat-trend-text{color:#135f3e}.tutor-usage-section__stat-trend--negative{color:#ba1f33}.tutor-usage-section__stat-trend--negative .icon--color-red.icon--lib-core{fill:#ba1f33}.tutor-usage-section__stat-trend--negative .tutor-usage-section__stat-trend-text{color:#ba1f33}.tutor-usage-section__stat-trend-text{font-family:var(--font-second);color:#767676;margin-left:2px;font-size:12px;font-weight:400}.tutor-usage-section__chart{border-top:1px solid #e0e0e0;flex-direction:column;gap:16px;padding-top:24px;display:flex}.tutor-usage-section__chart-header{justify-content:space-between;align-items:flex-start;display:flex}.tutor-usage-section__chart-header-text{flex-direction:column;gap:4px;display:flex}.tutor-usage-section__chart-title{font-family:var(--font-first);color:#333;margin:0;font-size:18px;font-weight:700;line-height:24px}.tutor-usage-section__chart-description{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;font-weight:400;line-height:20px}.tutor-usage-section__chart-filter{flex-shrink:0;min-width:180px}.tutor-usage-section__chart-container{margin-top:16px}.tutor-usage-section__chart-legend{align-items:center;gap:16px;margin:0;padding:0;list-style:none;display:flex}.tutor-usage-section__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-section__chart-legend-color{flex-shrink:0;width:28px;height:12px}.tutor-usage-section__empty{font-family:var(--font-second);color:#767676;text-align:center;margin:0;padding:24px 0;font-size:14px}.course-selector{gap:var(--spacing-sm);flex-wrap:wrap;justify-content:center;display:flex}.course-selector__button{transition:all .2s}