/* دارک‌مود صفحات قدیمی سایت (که با متغیرهای رنگی ساخته نشده‌اند): معکوس‌سازی ملایم رنگ‌ها و بازگرداندن تصاویر */
html[data-theme="dark"] { background: #fff; filter: invert(.92) hue-rotate(180deg); }
html[data-theme="dark"] img,
html[data-theme="dark"] video,
html[data-theme="dark"] iframe,
html[data-theme="dark"] canvas,
html[data-theme="dark"] picture,
html[data-theme="dark"] [style*="background-image"],
html[data-theme="dark"] .CodeMirror { filter: invert(.92) hue-rotate(180deg); }
html[data-theme="dark"] iframe#resultFrame { filter: none; background: #fff; }
.wm-theme-fab { position: fixed; right: 20px; bottom: 20px; z-index: 9998; width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer; background: #14151c; color: #fff; box-shadow: 0 6px 18px rgba(0,0,0,.3); display: grid; place-items: center; padding: 0; }
.wm-theme-fab svg, .hm-theme svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.wm-theme-fab .i-sun, .hm-theme .i-sun { display: none; }
html[data-theme="dark"] .wm-theme-fab .i-sun, html[data-theme="dark"] .hm-theme .i-sun { display: block; }
html[data-theme="dark"] .wm-theme-fab .i-moon, html[data-theme="dark"] .hm-theme .i-moon { display: none; }
@media print { html[data-theme="dark"], html[data-theme="dark"] img { filter: none; } }