.register-section{border:1px solid var(--color-gray-120,#e0e0e0);border-radius:8px;margin-bottom:1rem;overflow:hidden}.register-section__header{background-color:var(--color-brand-navy-deep,#2e4c66);color:#fff;font-family:var(--font-family-heading,"Plus Jakarta Sans", sans-serif);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:12px 20px;font-size:1.1rem;font-weight:600;transition:background-color .2s;display:flex}.register-section__header:hover{background-color:#243d54}.register-section__chevron{flex-shrink:0;transition:transform .3s}.register-section__chevron--collapsed{transform:rotate(-90deg)}.register-section__body{background:#fff;border-top:none;padding:24px 20px}.register-section__body--collapsed{display:none}.register-copy-btn{color:#fff;cursor:pointer;background-color:#28a745;border:none;border-radius:6px;padding:8px 20px;font-size:.875rem;font-weight:600;transition:background-color .2s}.register-copy-btn:hover{background-color:#218838}.register-same-address{background:var(--color-tinted-blue-white,#f7fbff);border:1px solid var(--color-gray-120,#e0e0e0);border-radius:8px;margin-bottom:1rem;padding:12px 20px}.register-address--disabled{opacity:.5;pointer-events:none}