.ChatSheetBody_gripRow__cjZoW{display:flex;flex-direction:column;align-items:center;gap:2px;padding:11px 0 5px;flex:none;cursor:-webkit-grab;cursor:grab;touch-action:none;-moz-user-select:none;user-select:none;-webkit-user-select:none;background:none;border:none}.ChatSheetBody_handle__iKrSk{width:56px;height:5px;border-radius:3px;background:var(--nsh-btn-disabled-bg)}.ChatSheetBody_close___tgaQ{font-size:15px;line-height:.7;color:var(--nsh-text-muted)}.ChatSheetBody_header__QeBNa{display:flex;align-items:center;gap:11px;padding:2px var(--nsh-space-5) 13px;border-bottom:var(--nsh-border-thin) solid var(--nsh-sheet-border);flex:none;touch-action:none}.ChatSheetBody_headerAvatar__djS05{flex:none}.ChatSheetBody_headerName__B3IBq{font-weight:600;font-size:16px;letter-spacing:-.01em;color:var(--nsh-text)}.ChatSheetBody_hintArea__0EexT{flex:1 1;min-height:0;display:flex;align-items:center;justify-content:center;padding:0 36px;touch-action:none}.ChatSheetBody_hintText__cY5cC{margin:0;font-size:16.5px;line-height:1.55;text-align:center;color:var(--nsh-pill-text)}.ChatSheetBody_thread__mj1z3{flex:1 1;min-height:0;overflow-y:auto;padding:18px var(--nsh-space-5);display:flex;flex-direction:column;gap:17px}.ChatSheetBody_thread__mj1z3>:not(:first-child){animation:ChatSheetBody_nsh-fade-in__2eD7D var(--nsh-motion-fast) var(--nsh-motion-enter) both}.ChatSheetBody_neyruMsg__MP0iQ{display:flex;gap:11px;align-items:flex-start;max-width:88%}.ChatSheetBody_msgAvatar__lmhN7{flex:none}.ChatSheetBody_neyruText__9SB3C{margin:0;font-size:15.5px;line-height:1.5;padding-top:3px;color:var(--nsh-text)}.ChatSheetBody_streamCue__oX07H{color:var(--nsh-card-border)}.ChatSheetBody_failedBody__3uP0n{display:flex;flex-direction:column;align-items:flex-start}.ChatSheetBody_historyError__Z4XNs{max-width:88%}.ChatSheetBody_studentBubble__gveUe{margin:0;align-self:flex-end;box-sizing:content-box;max-width:78%;background:var(--nsh-bg);border:var(--nsh-border-strong) solid var(--nsh-sheet-border);border-radius:16px 16px 4px 16px;padding:11px 14px;font-size:15px;line-height:1.42;color:var(--nsh-text)}.ChatSheetBody_inputRow___0maK{padding:var(--nsh-space-3) var(--nsh-space-4) var(--nsh-space-5);border-top:var(--nsh-border-thin) solid var(--nsh-sheet-border);flex:none}.ChatSheetBody_inputPill__6WDvH{display:flex;align-items:center;gap:10px;padding:11px 11px 11px 16px;background:var(--nsh-bg);border:var(--nsh-border-strong) solid var(--nsh-sheet-border);border-radius:15px}.ChatSheetBody_inputPill__6WDvH:focus-within{border:2px solid var(--nsh-ink)}.ChatSheetBody_inputField__cYfdb{flex:1 1;min-width:0;border:none;outline:none;background:transparent;font-family:var(--nsh-font);font-size:14px;color:var(--nsh-text);caret-color:var(--nsh-ink)}.ChatSheetBody_inputField__cYfdb::placeholder{color:var(--nsh-text-muted)}.ChatSheetBody_send__1PU1j{width:34px;height:34px;border-radius:10px;border:none;flex:none;display:flex;align-items:center;justify-content:center;background:var(--nsh-ink);color:var(--nsh-card-dark-text);font-size:15px;cursor:pointer;transition:background var(--nsh-motion-base) var(--nsh-motion-enter)}.ChatSheetBody_send__1PU1j:disabled{background:var(--nsh-btn-disabled-bg);cursor:default}.TutorialVeil_veil__hzIfS{position:fixed;inset:0;background:var(--nsh-tutorial-veil);pointer-events:auto;touch-action:none;z-index:29}.TutorialVeil_chevronBand__FwXUt{position:absolute;left:0;right:0;bottom:64px;height:104px;display:flex;align-items:flex-end;justify-content:center;pointer-events:none}.TutorialVeil_chevron__mTryV{font-size:32px;line-height:1;color:var(--nsh-card-dark-text);opacity:1;animation:TutorialVeil_nshChevGlow__klyeE 2.4s var(--nsh-motion-exit) infinite}@keyframes TutorialVeil_nshChevGlow__klyeE{0%{opacity:.55;transform:translateY(4px)}50%{opacity:1;transform:translateY(-4px)}to{opacity:.55;transform:translateY(4px)}}.FullChatSheet_sheet__wsD1S{position:fixed;left:0;right:0;top:10px;bottom:0;z-index:40;background:var(--nsh-sheet-surface);border:var(--nsh-border-strong) solid var(--nsh-sheet-border);border-bottom:none;border-radius:22px 22px 0 0;box-shadow:var(--nsh-sheet-shadow);display:flex;flex-direction:column;overflow:hidden;will-change:transform;transition:transform var(--nsh-motion-slow) var(--nsh-motion-physical)}.FullChatSheet_dragging__o_zIc{transition:none}