/* 论坛代码块「一键复制」按钮样式
   配色全部基于 Flarum 官方 CSS 变量，明/暗主题自动适配 */
.Post-body pre {
    position: relative;
}

.Post-body pre > .iso-code-copy {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    margin: 0;
    font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.7;
    color: var(--control-color);
    background: var(--control-bg);
    border: 1px solid var(--control-border-color, rgba(127, 127, 127, .25));
    border-radius: 7px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .12);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    opacity: 0;
    transition: opacity .15s ease, transform .15s ease, background-color .15s ease;
    -webkit-tap-highlight-color: transparent;
}

.Post-body pre:hover > .iso-code-copy,
.Post-body pre:focus-within > .iso-code-copy {
    opacity: 1;
}

.Post-body pre > .iso-code-copy:hover {
    transform: translateY(-1px);
    background: var(--control-bg-hover, var(--control-bg));
}

.Post-body pre > .iso-code-copy:focus-visible {
    opacity: 1;
    outline: 2px solid var(--primary-color, #2563eb);
    outline-offset: 2px;
}

/* 复制成功/失败的状态反馈 */
.Post-body pre > .iso-code-copy.is-copied {
    opacity: 1;
    color: #fff;
    background: #16a34a;
    border-color: transparent;
}

.Post-body pre > .iso-code-copy.is-failed {
    opacity: 1;
    color: #fff;
    background: #dc2626;
    border-color: transparent;
}

/* 触屏设备没有 hover：按钮常驻显示 */
@media (hover: none) {
    .Post-body pre > .iso-code-copy {
        opacity: .9;
    }
}