.edition-tabs{display:flex;gap:10px;margin:14px 0;}
.edition-tab{border:1px solid #ddd;background:#fff;padding:10px 14px;border-radius:8px;font-weight:600;cursor:pointer;}
.edition-tab.active{border-color:#111;box-shadow:0 0 0 1px #111 inset;}
.edition-panel{display:none;padding:10px 0;}
.edition-panel.active{display:block;}