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button{pointer-events:auto;color:#fff;cursor:pointer;touch-action:manipulation;background:#203f33;border:1px solid #d9f99d;border-radius:10px;max-width:100%;min-height:44px;padding:10px 14px;font-weight:700;position:static}.classroom-session-controls .whiteboard-toggle{color:#203f33;background:#d9f99d}.classroom-session-controls button:hover{filter:brightness(1.15)}.classroom-end-dialog{overscroll-behavior:contain;border:1px solid var(--line);background:var(--paper);width:min(460px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--ink);border-radius:18px;margin:auto;padding:24px;overflow:auto}.classroom-end-dialog::backdrop{background:#0f1b16a6}.classroom-end-dialog h2{text-wrap:balance;font-size:1.35rem}.classroom-end-dialog p{overflow-wrap:anywhere;margin:16px 0}.classroom-end-dialog>div{flex-wrap:wrap;justify-content:flex-end;gap:12px;display:flex}.classroom-end-dialog button{touch-action:manipulation;cursor:pointer;min-height:44px;padding:10px 14px}.classroom-end-dialog 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