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var(--primary-color);border-radius:50%;width:56px;height:56px}.teacher-actions-bar{gap:.5rem;display:flex}.action-btn-whatsapp{color:#fff;border-radius:var(--radius-sm);background:#25d366;border:none;align-items:center;gap:.35rem;padding:.4rem .75rem;font-size:.8rem;font-weight:600;text-decoration:none;display:flex}.letter-box{color:#f8fafc;border-radius:var(--radius-md);white-space:pre-wrap;border:1px solid var(--border-color);background:#1e293b;max-height:500px;padding:1.5rem;font-family:Courier New,Courier,monospace;font-size:.9rem;line-height:1.6;overflow-y:auto}