/* Shared accessibility and interaction styles */
.menu-toggle {
    user-select: none;
}

.menu-toggle:focus-visible,
.nav a:focus-visible,
.back-to-top:focus-visible,
.wechat-button:focus-visible,
.modal-trigger:focus-visible {
    outline: 2px solid #376f98;
    outline-offset: 2px;
}

.modal-control {
    background: transparent;
    border: none;
    color: #f1f1f1;
    cursor: pointer;
}