*{box-sizing:border-box}body{background:#f5f5f5;margin:0;font-family:system-ui,-apple-system,sans-serif}.adminShell{min-height:100vh;display:flex}.adminAside{color:#eee;background:#1a1a2e;flex-direction:column;width:220px;padding:1rem;display:flex}.adminMain{flex:1;padding:1.5rem}.appShell{flex-direction:column;min-height:100vh;display:flex}.appHeader{color:#eee;background:#1a1a2e;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;display:flex}.appHeaderLeft{flex-direction:column;display:flex}.appBrand{font-size:18px;font-weight:700}.appHeaderRight{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.appStudentSwitch{align-items:center;gap:10px;display:flex}.appUserBlock{align-items:center;gap:12px;display:flex}.appSelect{color:#fff;background:#ffffff0f;border:1px solid #fff3;border-radius:8px;padding:8px 10px}.muted{color:#666}.small{font-size:12px}.appButton{cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:10px;padding:10px 12px;text-decoration:none}.appButtonPrimary{color:#fff;cursor:pointer;background:#1a1a2e;border:none;border-radius:10px;padding:10px 12px}.appButton:disabled,.appButtonPrimary:disabled{opacity:.65;cursor:not-allowed}.appMain{width:100%;max-width:1100px;margin:0 auto;padding:16px}.stack{flex-direction:column;gap:16px;display:flex}.card{background:#fff;border:1px solid #eee;border-radius:14px;padding:16px}.cardInner{background:#fafafa;border:1px solid #eee;border-radius:14px;padding:14px}.rowBetween{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.rowWrap{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.grid2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px;display:grid}.subCard{background:#fff;border:1px solid #eee;border-radius:14px;padding:12px}.subTitle{margin-bottom:6px;font-weight:700}.list{flex-direction:column;gap:10px;margin-top:10px;display:flex}.listItem{text-align:left;cursor:pointer;background:#fff;border:1px solid #eee;border-radius:12px;width:100%;padding:12px}.listItemTitle{font-weight:700}.errorBox{color:#b10000;background:#fff1f1;border:1px solid #ffd0d0;border-radius:12px;margin-top:12px;padding:10px 12px}.gridTable{border-collapse:collapse;width:100%;min-width:760px}.gridTable th,.gridTable td{vertical-align:top;border:1px solid #eee;padding:10px}.gridInput{border:1px solid #ddd;border-radius:10px;width:100%;padding:8px}.gridStickyLeft{z-index:1;background:#fafafa;position:sticky;left:0}.arabicWord{font-size:16px;font-weight:700}.chatBody{flex-direction:column;gap:10px;height:52vh;padding:10px 0;display:flex;overflow:auto}.chatMsg{display:flex}.chatMsgBubble{white-space:pre-wrap;background:#eee;border-radius:14px;max-width:70%;padding:10px 12px}.chatMsgLeft .chatMsgBubble{background:#f3f3f3}.chatMsgRight{justify-content:flex-end}.chatMsgRight .chatMsgBubble{color:#fff;background:#1a1a2e}.chatComposer{align-items:flex-end;gap:12px;display:flex}.chatInput{resize:vertical;border:1px solid #ddd;border-radius:10px;flex:1;min-height:44px;max-height:120px;padding:10px 12px}@media (width<=800px){.adminShell{flex-direction:column}.adminAside{width:auto}.appMain{padding:12px}.grid2{grid-template-columns:1fr}.gridTable{min-width:560px}}