/* put your own styles to customize and override the theme */

/* === 無障礙 AA 等級樣式 === */

/* 無障礙定位點 (accesskey U/C/Z) */
.acc {
    display: inline-block;
    font-size: 0.875rem;
    color: #666;
    text-decoration: none;
    margin-right: 4px;
    vertical-align: middle;
    position: relative;
    z-index: 10002;
}
.acc:hover,
.acc:focus {
    color: #346CB0;
    outline: 2px solid #346CB0;
    outline-offset: 1px;
}

/* Skip Navigation Link */
.skip-link {
    position: absolute;
    top: -50px;
    left: 0;
    background: #346CB0;
    color: #fff;
    padding: 8px 16px;
    z-index: 10000;
    font-size: 1rem;
    text-decoration: none;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 0;
    color: #fff;
}

/* 焦點樣式強化 - AA 等級要求焦點清楚可見 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid #346CB0 !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 3px rgba(52, 108, 176, 0.25);
}

/* 表單驗證錯誤樣式 */
.is-invalid,
[aria-invalid="true"] {
    border-color: #dc3545 !important;
}

.invalid-feedback {
    display: block;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}