/* 动画可访问性支持 */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {

    .btn-primary,
    .btn-secondary {
        border: 2px solid currentColor !important;
    }
}

/* 统一焦点环样式 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[role="button"]:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
    border-radius: 0.25rem;
}

/* 深色背景下的焦点环 */
.dark a:focus-visible,
.dark button:focus-visible,
.bg-slate-900 a:focus-visible,
.bg-slate-900 button:focus-visible,
.bg-slate-950 a:focus-visible,
.bg-slate-950 button:focus-visible {
    outline-color: #60a5fa;
    outline-offset: 2px;
}

/* 移除默认 outline */
*:focus {
    outline: none;
}

/* 确保触摸目标大小 */
@media (pointer: coarse) {

    a,
    button,
    [role="button"],
    input[type="checkbox"],
    input[type="radio"] {
        min-height: 44px;
        min-width: 44px;
    }
}

/* 优化移动端点击反馈 */
@media (hover: none) {

    button:active,
    a:active,
    [role="button"]:active {
        opacity: 0.7;
        transform: scale(0.98);
    }
}