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16px;border-top:1px solid #e1e3e6}.d-profile-role h3{margin:0 0 8px;font-size:12px;font-weight:500;color:#697585}.d-role-switch{position:relative;isolation:isolate;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:3px;border-radius:20px;background:#e9ecf0}.d-role-switch:before{content:"";position:absolute;z-index:-1;inset:3px auto 3px 3px;width:calc(50% - 3px);border-radius:17px;background:#fff;box-shadow:0 1px 3px #172b4d14;transition:transform .18s ease}.d-role-switch[data-role=STUDENT]:before{transform:translateX(100%)}.d-role-switch button{min-width:0;min-height:44px;padding:5px 8px;border:0;border-radius:17px;background:transparent;color:#697585;font-size:14px}.d-role-switch button[aria-pressed=true]{color:#075c99;font-weight:600}.d-role-switch button:hover{background:#172b4d0a}@media (max-width:767px),(pointer:coarse) and (max-height:767px){.d-chat-hidden .d-main-grid,.d-main-grid{display:block}.d-primary{height:100%}.d-chat-column{position:absolute;z-index:30;inset:var(--d-chat-viewport-top,0) 0 var(--d-chat-viewport-bottom,0);display:none;background:#fff}.d-session-workspace[data-mobile-view=chat] .d-chat-column,.d-session-workspace[data-mobile-view=poll] .d-chat-column{display:flex;border:0}.d-live-stage{height:100%}.d-primary.d-live-preview{position:absolute;z-index:35;top:var(--d-preview-y,var(--d-chat-content-top));left:var(--d-preview-x,auto);right:12px;width:clamp(136px,42vw,208px);height:auto;aspect-ratio:16/9;overflow:hidden;border-radius:12px;background:#10151c;box-shadow:0 4px 20px #172b4d40}.d-live-preview .d-live-stage{pointer-events:none}.d-live-preview .d-student-stream video{height:100%;object-fit:contain}.live-workspace .d-live-preview-handle{position:absolute;z-index:50;inset:0;width:100%;height:100%;padding:0;border:0;border-radius:inherit;background:transparent;cursor:grab;touch-action:none;user-select:none}.d-live-preview-handle:active{cursor:grabbing}.d-live-preview .d-live-message{padding:6px;gap:2px;font-size:10px;overflow:hidden}.d-live-preview .d-live-message h1,.d-live-preview .d-live-message h2{font-size:11px;line-height:1.3}.d-live-preview .d-live-message p:not(.d-countdown),.d-live-preview .d-live-message>svg{display:none}.d-live-preview .d-live-message .d-countdown{font-size:16px;letter-spacing:1px}.d-live-message h1,.d-live-message h2{font-size:18px}.d-poll-options{grid-template-columns:1fr}.d-class-poll input,.d-composer textarea{font-size:16px}}