.ClassroomScreen-module___zuTNq__container{flex-direction:column;width:100%;height:100%;display:flex}.ClassroomScreen-module___zuTNq__emptyContent{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:clamp(20px,5vw,40px);display:flex}.ClassroomScreen-module___zuTNq__emptyTitle{font-family:var(--font-family-heavy);color:var(--color-text);font-size:clamp(20px,3vw,24px)}.ClassroomScreen-module___zuTNq__emptySubtitle{font-family:var(--font-family);color:var(--color-secondary);font-size:15px}.ClassroomScreen-module___zuTNq__emptyBtns{flex-direction:column;gap:10px;width:100%;max-width:260px;margin-top:16px;display:flex}.ClassroomScreen-module___zuTNq__createBtn{font-family:var(--font-family-heavy);color:#fff;background:var(--color-success);cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:6px;padding:14px 24px;font-size:16px;transition:transform .15s,opacity .15s;display:flex}.ClassroomScreen-module___zuTNq__createBtn:hover{opacity:.9}.ClassroomScreen-module___zuTNq__createBtn:active{transform:translateY(1px)scale(.97)}.ClassroomScreen-module___zuTNq__joinBtn{font-family:var(--font-family-medium);color:var(--color-text);cursor:pointer;background:0 0;border:2px solid #80808033;border-radius:12px;padding:14px 24px;font-size:16px;transition:all .15s}.ClassroomScreen-module___zuTNq__joinBtn:hover{border-color:#80808059}.ClassroomScreen-module___zuTNq__joinTitle{font-family:var(--font-family-heavy);color:var(--color-text);margin-bottom:16px;font-size:24px}.ClassroomScreen-module___zuTNq__codeBoxRow{gap:10px;display:flex}.ClassroomScreen-module___zuTNq__codeBox{text-align:center;width:44px;height:54px;font-family:var(--font-family-heavy);color:var(--color-text);background:var(--color-input-bg);caret-color:var(--color-success);border:2px solid #80808040;border-radius:10px;outline:none;font-size:28px;transition:border-color .2s,background .2s}.ClassroomScreen-module___zuTNq__codeBox:focus{border-color:var(--color-success);border-width:2.5px}.ClassroomScreen-module___zuTNq__codeBoxFilled{border-color:var(--color-success);background:#2ecc710a}.ClassroomScreen-module___zuTNq__codeBoxError{border-color:var(--color-error)!important;background:#e74c3c0d!important}.ClassroomScreen-module___zuTNq__codeErrorText{font-family:var(--font-family-medium);color:var(--color-error);margin-top:8px;font-size:14px}.ClassroomScreen-module___zuTNq__backLink{font-family:var(--font-family-medium);color:var(--color-secondary);cursor:pointer;background:0 0;border:none;margin-top:20px;font-size:16px}.ClassroomScreen-module___zuTNq__createTitle{font-family:var(--font-family-heavy);color:var(--color-text);margin-bottom:16px;font-size:24px}.ClassroomScreen-module___zuTNq__codeDisplay{gap:8px;display:flex}.ClassroomScreen-module___zuTNq__codeDisplayBox{width:48px;height:58px;font-family:var(--font-family-heavy);color:var(--color-success);border:2px solid var(--color-success);background:#2ecc711a;border-radius:10px;justify-content:center;align-items:center;font-size:36px;display:flex}.ClassroomScreen-module___zuTNq__codeSubtext{font-family:var(--font-family);color:var(--color-secondary);margin-top:8px;font-size:15px}.ClassroomScreen-module___zuTNq__copyBtn{font-family:var(--font-family-medium);color:var(--color-accent-blue);cursor:pointer;background:#3b82f60f;border:1.5px solid #3b82f633;border-radius:8px;align-items:center;gap:6px;margin-top:12px;padding:8px 16px;font-size:14px;display:flex}.ClassroomScreen-module___zuTNq__goClassBtn{font-family:var(--font-family-heavy);color:#fff;background:var(--color-success);cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:6px;margin-top:20px;padding:14px 32px;font-size:18px;transition:transform .15s;display:flex}.ClassroomScreen-module___zuTNq__goClassBtn:active{transform:translateY(1px)scale(.97)}.ClassroomScreen-module___zuTNq__header{align-items:center;gap:8px;padding:16px 20px;display:flex}.ClassroomScreen-module___zuTNq__className{font-family:var(--font-family-heavy);color:var(--color-text);flex:1;font-size:clamp(18px,2.8vw,22px)}.ClassroomScreen-module___zuTNq__addBtn{background:var(--color-success);cursor:pointer;color:#fff;border:none;border-radius:18px;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.ClassroomScreen-module___zuTNq__scrollContent{flex:1;padding:0 20px 20px;overflow-y:auto}.ClassroomScreen-module___zuTNq__teacherArea{flex-direction:column;align-items:center;gap:4px;padding:16px 0;display:flex}.ClassroomScreen-module___zuTNq__teacherName{font-family:var(--font-family-heavy);color:var(--color-text);font-size:16px}.ClassroomScreen-module___zuTNq__teacherRole{font-family:var(--font-family-medium);color:var(--color-secondary);font-size:12px}.ClassroomScreen-module___zuTNq__upgradeBtn{font-family:var(--font-family-heavy);color:#f39c12;cursor:pointer;background:#f39c1214;border:1.5px solid #f39c1240;border-radius:8px;align-items:center;gap:4px;margin-top:6px;padding:6px 12px;font-size:12px;transition:opacity .15s;display:flex}.ClassroomScreen-module___zuTNq__upgradeBtn:hover{opacity:.8}.ClassroomScreen-module___zuTNq__studentGrid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:14px;padding:16px 0;display:grid}.ClassroomScreen-module___zuTNq__studentCard{border-radius:12px;flex-direction:column;align-items:center;gap:4px;padding:6px;transition:transform .12s;display:flex}.ClassroomScreen-module___zuTNq__studentCard:hover{transform:translateY(-2px)}.ClassroomScreen-module___zuTNq__studentCard:active{transform:translateY(1px)scale(.98)}.ClassroomScreen-module___zuTNq__studentName{font-family:var(--font-family-medium);color:var(--color-text);text-align:center;font-size:11px}.ClassroomScreen-module___zuTNq__emptyRoster{font-family:var(--font-family);color:var(--color-secondary);text-align:center;padding:32px 0;font-size:14px}.ClassroomScreen-module___zuTNq__codeFooter{background:#8080800a;border-radius:12px;justify-content:center;align-items:center;gap:8px;margin-top:8px;padding:16px;display:flex}.ClassroomScreen-module___zuTNq__codeLabel{font-family:var(--font-family);color:var(--color-secondary);font-size:14px}.ClassroomScreen-module___zuTNq__codeValue{font-family:var(--font-family-heavy);color:var(--color-success);letter-spacing:2px;font-size:18px}.ClassroomScreen-module___zuTNq__codeCopyBtn{cursor:pointer;width:32px;height:32px;color:var(--color-text);background:#80808014;border:none;border-radius:8px;justify-content:center;align-items:center;display:flex}.ClassroomScreen-module___zuTNq__statsBtn{background:var(--color-success);color:#fff;cursor:pointer;z-index:10;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:transform .15s;display:flex;position:absolute;bottom:16px;right:20px;box-shadow:0 2px 4px #0003}.ClassroomScreen-module___zuTNq__statsBtn:hover{transform:scale(1.08)}.ClassroomScreen-module___zuTNq__upgradeBtn{color:#9b59b6;font-family:var(--font-family-heavy);cursor:pointer;background:#9b59b614;border:none;border-radius:8px;flex-shrink:0;align-items:center;gap:4px;padding:6px 12px;font-size:13px;transition:background .15s;display:flex}.ClassroomScreen-module___zuTNq__upgradeBtn:hover{background:#9b59b626}.ClassroomScreen-module___zuTNq__joinCircleBtn{border:2.5px solid var(--color-success);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;width:100px;height:100px;transition:transform .15s,opacity .15s;display:flex}.ClassroomScreen-module___zuTNq__joinCircleBtn:hover{opacity:.85}.ClassroomScreen-module___zuTNq__joinCircleBtn:active{transform:translateY(1px)scale(.97)}.ClassroomScreen-module___zuTNq__joinCircleLabel{font-family:var(--font-family);color:var(--color-secondary);margin-top:12px;font-size:16px}.ClassroomScreen-module___zuTNq__createOutlineBtn{font-family:var(--font-family-medium);color:#8e8e93;cursor:pointer;background:0 0;border:1.5px solid #8e8e93;border-radius:10px;justify-content:center;align-items:center;gap:6px;margin-top:24px;padding:10px 20px;font-size:16px;transition:opacity .15s;display:flex}.ClassroomScreen-module___zuTNq__createOutlineBtn:hover{opacity:.8}.ClassroomScreen-module___zuTNq__headerBtn{cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:0;display:flex}.ClassroomScreen-module___zuTNq__headerChevron{color:var(--color-secondary);font-size:13px;transition:transform .2s ease-out}.ClassroomScreen-module___zuTNq__headerChevronOpen{transform:rotate(180deg)}.ClassroomScreen-module___zuTNq__viewToggleBtn{cursor:pointer;width:36px;height:36px;color:var(--color-success);background:#2ecc711a;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.ClassroomScreen-module___zuTNq__classPickerBackdrop{z-index:100;position:fixed;inset:0}.ClassroomScreen-module___zuTNq__classPickerMenu{z-index:101;flex-direction:column;gap:2px;display:flex;position:absolute;top:48px;left:20px}.ClassroomScreen-module___zuTNq__classPickerItem{font-family:var(--font-family-heavy);color:var(--color-text);cursor:pointer;text-align:left;background:0 0;border:none;padding:2px 0;font-size:22px}.ClassroomScreen-module___zuTNq__classPickerAdd{font-family:var(--font-family-heavy);color:var(--color-text);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:2px 0;font-size:22px;display:flex}.ClassroomScreen-module___zuTNq__divider{background:#8e8e9326;height:1px;margin:0 20px}.ClassroomScreen-module___zuTNq__codeExpandIcon{color:var(--color-secondary-half);margin-left:2px}.ClassroomScreen-module___zuTNq__overlayBackdrop{z-index:200;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.ClassroomScreen-module___zuTNq__overlayModal{background:var(--bg-surface);border-radius:20px;flex-direction:column;gap:16px;width:90%;max-width:340px;padding:24px;display:flex;box-shadow:0 8px 20px 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ease-out;position:fixed;inset:0}.ClassroomScreen-module___zuTNq__visitBgScene{z-index:0;position:absolute;inset:0}.ClassroomScreen-module___zuTNq__visitFloorGrad{z-index:1;pointer-events:none;background:linear-gradient(#27ae6000,#27ae6014);height:30%;position:absolute;bottom:0;left:0;right:0}.ClassroomScreen-module___zuTNq__visitPotatoArea{z-index:2;position:absolute;top:55%;left:50%;transform:translate(-50%,-50%)}.ClassroomScreen-module___zuTNq__visitTopBar{z-index:10;flex-direction:column;gap:2px;padding:16px 20px;display:flex;position:absolute;top:0;left:0;right:0}.ClassroomScreen-module___zuTNq__visitBackBtn{cursor:pointer;font-family:var(--font-family);text-shadow:0 1px 3px #0000001f;background:0 0;border:none;align-items:center;gap:4px;padding:4px 0;font-size:16px;display:flex}.ClassroomScreen-module___zuTNq__visitMemberName{font-family:var(--font-family-heavy);text-shadow:0 1px 4px #0000001a;padding-left:24px;font-size:22px}.ClassroomScreen-module___zuTNq__visitStatsOverlay{z-index:10;flex-direction:column;align-items:center;gap:10px;display:flex;position:absolute;bottom:20px;left:20px;right:20px}.ClassroomScreen-module___zuTNq__visitStatsCard{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffeb;border-radius:16px;flex-direction:column;gap:10px;width:100%;max-width:400px;padding:16px 20px;display:flex;box-shadow:0 4px 16px #00000014}.ClassroomScreen-module___zuTNq__visitStatRow{align-items:center;gap:10px;display:flex}.ClassroomScreen-module___zuTNq__visitStatLabel{font-family:var(--font-family);color:#3c3c4399;flex:1;font-size:15px}.ClassroomScreen-module___zuTNq__visitStatValue{font-family:var(--font-family-heavy);color:var(--color-text);font-size:16px}.ClassroomScreen-module___zuTNq__visitWearingSection{border-top:1px solid 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#8e8e934d;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:60px;height:60px;display:flex;overflow:hidden}.ClassroomScreen-module___zuTNq__actionButtons{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;padding:8px 0 12px;display:flex}.ClassroomScreen-module___zuTNq__actionBtnGroup{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.ClassroomScreen-module___zuTNq__actionBtnGreen,.ClassroomScreen-module___zuTNq__actionBtnPurple,.ClassroomScreen-module___zuTNq__actionBtnBlue,.ClassroomScreen-module___zuTNq__actionBtnRed,.ClassroomScreen-module___zuTNq__actionBtnOrange{font-family:var(--font-family-heavy);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:20px;align-items:center;gap:5px;padding:8px 14px;font-size:14px;transition:transform .12s,opacity .12s;display:flex}.ClassroomScreen-module___zuTNq__actionBtnGreen{background:var(--color-success)}.ClassroomScreen-module___zuTNq__actionBtnPurple{background:#9b59b6}.ClassroomScreen-module___zuTNq__actionBtnBlue{background:var(--color-accent-blue)}.ClassroomScreen-module___zuTNq__actionBtnRed{background:var(--color-error)}.ClassroomScreen-module___zuTNq__actionBtnOrange{background:#f39c12}.ClassroomScreen-module___zuTNq__actionBtnDimmed{opacity:.5}.ClassroomScreen-module___zuTNq__actionBtnGreen:hover,.ClassroomScreen-module___zuTNq__actionBtnPurple:hover,.ClassroomScreen-module___zuTNq__actionBtnBlue:hover,.ClassroomScreen-module___zuTNq__actionBtnRed:hover,.ClassroomScreen-module___zuTNq__actionBtnOrange:hover{opacity:.9}.ClassroomScreen-module___zuTNq__actionBtnGreen:active,.ClassroomScreen-module___zuTNq__actionBtnPurple:active,.ClassroomScreen-module___zuTNq__actionBtnBlue:active,.ClassroomScreen-module___zuTNq__actionBtnRed:active,.ClassroomScreen-module___zuTNq__actionBtnOrange:active{transform:translateY(1px)scale(.97)}.ClassroomScreen-module___zuTNq__moreDropdown{z-index:100;background:#fff;border:1px solid #e0ddd4;border-radius:12px;min-width:160px;margin-top:6px;padding:6px;position:absolute;top:100%;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0000001f}.ClassroomScreen-module___zuTNq__moreDropdown button{width:100%;font-family:var(--font-family-heavy);color:#333;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;padding:8px 12px;font-size:13px;display:flex}.ClassroomScreen-module___zuTNq__moreDropdown button:hover{background:#f3f0e6}.ClassroomScreen-module___zuTNq__dataSubjectToggle{background:#f0ede4;border-radius:10px;gap:0;margin-bottom:12px;padding:3px;display:flex}.ClassroomScreen-module___zuTNq__dataSubjectBtn{font-family:var(--font-family-heavy);cursor:pointer;color:#888;background:0 0;border:none;border-radius:8px;flex:1;padding:8px 16px;font-size:14px;transition:all .15s}.ClassroomScreen-module___zuTNq__dataSubjectBtnActive{color:#333;background:#fff;box-shadow:0 1px 4px #0000001a}.ClassroomScreen-module___zuTNq__helpBadge{color:#fff;min-width:16px;height:16px;font-family:var(--font-family-heavy);background:#ff3b30;border:2px solid #fff;border-radius:8px;justify-content:center;align-items:center;padding:0 4px;font-size:10px;display:flex;position:absolute;top:-4px;right:-4px;box-shadow:0 1px 3px #0003}.ClassroomScreen-module___zuTNq__codeOverlayBackdrop{z-index:300;cursor:pointer;background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.ClassroomScreen-module___zuTNq__codeOverlayContent{pointer-events:none;flex-direction:column;align-items:center;gap:16px;display:flex}.ClassroomScreen-module___zuTNq__codeOverlayTitle{font-family:var(--font-family-heavy);color:#fff;font-size:28px}.ClassroomScreen-module___zuTNq__codeOverlayBoxes{gap:10px;display:flex}.ClassroomScreen-module___zuTNq__codeOverlayBox{width:56px;height:68px;font-family:var(--font-family-heavy);color:var(--color-success);border:2.5px solid 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