.msg-teacher-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:24px;border:2px solid #2b6cb0;background:#fff;color:#2b6cb0;font-family:sofia-pro,sans-serif;font-size:15px;font-weight:700;cursor:pointer;transition:background .15s ease,color .15s ease}.msg-teacher-btn:hover{background:#2b6cb0;color:#fff}.msg-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.msg-modal{background:#fff;border-radius:14px;padding:24px;width:100%;max-width:460px;font-family:sofia-pro,sans-serif;box-shadow:0 8px 30px rgba(0,0,0,.25)}.msg-modal-title{margin:0 0 8px;font-size:22px;color:#2b2941}.msg-modal-note{margin:0 0 14px;font-size:13px;color:#6b7280;line-height:1.5}.msg-modal-textarea{width:100%;border:1px solid #ddd3c6;border-radius:10px;padding:12px;font-family:inherit;font-size:15px;resize:vertical;outline:none}.msg-modal-textarea:focus{border-color:#2b6cb0}.msg-modal-error{color:#c21f1f;font-size:14px;margin:8px 0 0}.msg-modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.msg-modal-cancel,.msg-modal-send{padding:9px 18px;border-radius:8px;font-weight:700;font-size:14px;cursor:pointer;border:none}.msg-modal-cancel{background:#f0eae0;color:#4a5561}.msg-modal-send{background:#2b6cb0;color:#fff}.msg-modal-cancel:disabled,.msg-modal-send:disabled{opacity:.6;cursor:default}