.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--glass);
    color: var(--text);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
    border-color: var(--border-strong);
    transform: translateY(-1px) rotate(-4deg);
    box-shadow: var(--shadow);
}

.theme-toggle-icon {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.theme-toggle-icon-sun,
:root[data-theme="dark"] .theme-toggle-icon-moon {
    display: none;
}

:root[data-theme="dark"] .theme-toggle-icon-sun {
    display: block;
}

.theme-toggle-mobile {
    display: none;
}

:root {
    --theme-ui-icon-filter: none;
    --theme-cta-icon-filter: none;
}

:root[data-theme="dark"] {
    --theme-ui-icon-filter: brightness(0) invert(1);
    --theme-cta-icon-filter: brightness(0);
}

img[src*="ChevronDown.svg"],
.page-landing .text-container-title img[src*="Sparkles.svg"],
.page-landing .text-container-title img[src*="BeautyLens.svg"],
.page-landing .text-container-title img[src*="HugeiconsHanger.svg"] {
    filter: var(--theme-ui-icon-filter);
    transition: filter 0.22s ease, opacity 0.22s ease;
}

.page-landing .button-dark .download-icon {
    filter: var(--theme-cta-icon-filter);
    transition: filter 0.22s ease, opacity 0.22s ease;
}

:root[data-theme="dark"] .site-header {
    background: transparent;
}

:root[data-theme="dark"] .site-header.is-scrolled {
    background: transparent;
}

:root[data-theme="dark"] .header-shell {
    border-color: rgba(236, 224, 247, 0.1);
    background: transparent;
    box-shadow: 0 22px 64px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

:root[data-theme="dark"] .header-shell::before {
    background: rgba(20, 13, 28, 0.66);
}

:root[data-theme="dark"] .site-header.is-scrolled .header-shell {
    border-color: rgba(236, 224, 247, 0.16);
    background: transparent;
    box-shadow: 0 24px 72px rgba(0, 0, 0, 0.44), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

:root[data-theme="dark"] .site-header.is-scrolled .header-shell::before {
    background: rgba(15, 10, 22, 0.82);
}

:root[data-theme="dark"] .site-nav > a:hover,
:root[data-theme="dark"] .site-nav > a:focus-visible,
:root[data-theme="dark"] .site-nav > a.is-active,
:root[data-theme="dark"] .site-nav .header-features-selector .language-dropdown-trigger:hover,
:root[data-theme="dark"] .site-nav .header-features-selector .language-dropdown-trigger:focus-visible,
:root[data-theme="dark"] .site-nav .header-features-selector.is-open .language-dropdown-trigger,
:root[data-theme="dark"] .site-nav .header-features-selector.has-active-page .language-dropdown-trigger {
    background: rgba(255, 255, 255, 0.09);
}

:root[data-theme="dark"] .site-header .header-language-selector .language-dropdown-trigger,
:root[data-theme="dark"] .menu-toggle {
    border-color: var(--border);
    background: var(--glass);
    color: var(--text);
}

:root[data-theme="dark"] .site-header .header-language-selector-desktop .language-dropdown-menu,
:root[data-theme="dark"] .language-dropdown-menu {
    border-color: var(--border);
    background: rgba(27, 20, 36, 0.98);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
}

:root[data-theme="dark"] .language-dropdown-item:hover,
:root[data-theme="dark"] .language-dropdown-item:focus-visible {
    background: rgba(255, 255, 255, 0.08);
}

:root[data-theme="dark"] .site-header .language-dropdown-item.is-current,
:root[data-theme="dark"] .site-header .header-compare-selector .language-dropdown-item.is-hub-link.is-current {
    color: var(--muted-strong);
    background: transparent;
    box-shadow: none;
}

:root[data-theme="dark"] img[src*="ChevronDown.svg"],
:root[data-theme="dark"] .faq-question img,
:root[data-theme="dark"] .site-header .language-dropdown-trigger img {
    filter: var(--theme-ui-icon-filter);
}

:root[data-theme="dark"] .button-dark {
    color: #17121f;
    background: linear-gradient(135deg, #ffffff 0%, #eee4fa 100%);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.28);
}

:root[data-theme="dark"] .button-dark:hover,
:root[data-theme="dark"] .button-dark:focus-visible {
    background: linear-gradient(135deg, #ffffff 0%, #e3d5f3 100%);
}

:root[data-theme="dark"] .button-light,
:root[data-theme="dark"] .control-input,
:root[data-theme="dark"] select.control-input {
    color: var(--text);
    border-color: var(--border);
    background-color: var(--surface-solid);
    background-image: none;
}

:root[data-theme="dark"] .download-panel,
:root[data-theme="dark"] .answer-block,
:root[data-theme="dark"] .article-answer-strip,
:root[data-theme="dark"] .faq-item {
    border-color: var(--border);
    background: linear-gradient(145deg, rgba(43, 30, 56, 0.98), rgba(23, 16, 32, 0.96));
}

:root[data-theme="dark"] .blog-hero-shell,
:root[data-theme="dark"] .not-found-card,
:root[data-theme="dark"] .post-card,
:root[data-theme="dark"] .article-byline,
:root[data-theme="dark"] .article-methodology,
:root[data-theme="dark"] .article-cluster,
:root[data-theme="dark"] .article-expansion,
:root[data-theme="dark"] .article-seo-support,
:root[data-theme="dark"] .post-research-snapshot,
:root[data-theme="dark"] .post-quick-compare,
:root[data-theme="dark"] .post-paa,
:root[data-theme="dark"] .article-download-card {
    border-color: var(--border);
    background-color: var(--surface);
}

:root[data-theme="dark"] .post-research-card,
:root[data-theme="dark"] .post-paa-card,
:root[data-theme="dark"] .article-cluster-card,
:root[data-theme="dark"] .article-seo-support-card,
:root[data-theme="dark"] .post-compare-card,
:root[data-theme="dark"] .resource-metric-grid > div,
:root[data-theme="dark"] .resource-checklist-panel,
:root[data-theme="dark"] .resource-checklist-list li {
    color: var(--text);
    border-color: var(--border);
    background:
        radial-gradient(circle at 100% 0, rgba(169, 148, 255, 0.1), transparent 42%),
        rgba(27, 20, 36, 0.92);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
}

:root[data-theme="dark"] .post-compare-card.is-hub {
    background:
        radial-gradient(circle at 0 100%, rgba(255, 134, 166, 0.12), transparent 42%),
        radial-gradient(circle at 100% 0, rgba(169, 148, 255, 0.14), transparent 46%),
        rgba(27, 20, 36, 0.94);
}

:root[data-theme="dark"] .post-research-card p,
:root[data-theme="dark"] .post-paa-card p,
:root[data-theme="dark"] .article-cluster-card p,
:root[data-theme="dark"] .article-cluster-links,
:root[data-theme="dark"] .article-seo-support-card p,
:root[data-theme="dark"] .article-answer-strip-text,
:root[data-theme="dark"] .post-compare-card > span:not(.post-compare-card-kicker):not(.post-compare-card-cta),
:root[data-theme="dark"] .resource-metric-grid span {
    color: var(--muted-strong);
}

:root[data-theme="dark"] .article-cluster-card a,
:root[data-theme="dark"] .article-answer-strip-jump,
:root[data-theme="dark"] .post-compare-card strong,
:root[data-theme="dark"] .post-compare-card-cta,
:root[data-theme="dark"] .resource-checklist-list li,
:root[data-theme="dark"] .resource-metric-grid strong {
    color: var(--text);
}

:root[data-theme="dark"] .post-cover,
:root[data-theme="dark"] .post-card-cover,
:root[data-theme="dark"] .prose .app-entry-shot img {
    border-color: var(--border);
    background: #f7f3fb;
}

:root[data-theme="dark"] .post-body a {
    color: #aebdff;
}

:root[data-theme="dark"] .comparison-table-wrap,
:root[data-theme="dark"] .comparison-table-wrap table,
:root[data-theme="dark"] .prose table,
:root[data-theme="dark"] .compare-table-wrap,
:root[data-theme="dark"] .compare-table {
    color: var(--text);
    border-color: var(--border);
    background: var(--surface-solid);
}

:root[data-theme="dark"] .comparison-table-wrap th,
:root[data-theme="dark"] .prose th,
:root[data-theme="dark"] .compare-table thead th {
    background: rgba(169, 148, 255, 0.13);
}

:root[data-theme="dark"] .static-card,
:root[data-theme="dark"] .legal-toc,
:root[data-theme="dark"] .legal-content,
:root[data-theme="dark"] .feature-sidebar,
:root[data-theme="dark"] .feature-content,
:root[data-theme="dark"] .feature-hero-visual,
:root[data-theme="dark"] .feature-example-card,
:root[data-theme="dark"] .resource-tool-card,
:root[data-theme="dark"] .resource-result-card,
:root[data-theme="dark"] .resource-benchmark-card,
:root[data-theme="dark"] .resource-highlight-card,
:root[data-theme="dark"] .resource-summary-card,
:root[data-theme="dark"] .compare-page-hero-shell,
:root[data-theme="dark"] .compare-best-for-panel,
:root[data-theme="dark"] .compare-verdict-copy,
:root[data-theme="dark"] .compare-link-card,
:root[data-theme="dark"] .social-signal-card {
    color: var(--text);
    border-color: var(--border);
    background: var(--surface);
}

:root[data-theme="dark"] .static-page-hero-shell {
    color: var(--text);
    border-color: var(--border);
    background:
        radial-gradient(circle at 92% 8%, rgba(169, 148, 255, 0.16), transparent 38%),
        radial-gradient(circle at 4% 100%, rgba(255, 134, 166, 0.12), transparent 34%),
        var(--surface);
}

:root[data-theme="dark"] .page-blog-index .blog-hero-simple .blog-hero-shell,
:root[data-theme="dark"] .page-template-compare_index .compare-page-hero-shell {
    border-color: transparent;
    background: transparent;
    box-shadow: none;
}

:root[data-theme="dark"] .compare-hero-band {
    color: var(--text);
    border-color: var(--border-strong);
    background:
        radial-gradient(circle at 0 100%, rgba(255, 134, 166, 0.14), transparent 42%),
        radial-gradient(circle at 100% 0, rgba(169, 148, 255, 0.18), transparent 44%),
        rgba(27, 20, 36, 0.92);
}

:root[data-theme="dark"] .compare-verdict-copy,
:root[data-theme="dark"] .compare-best-for-panel,
:root[data-theme="dark"] .compare-link-card {
    background:
        radial-gradient(circle at 100% 0, rgba(169, 148, 255, 0.12), transparent 44%),
        rgba(27, 20, 36, 0.9);
}

:root[data-theme="dark"] .compare-hero-app-body,
:root[data-theme="dark"] .compare-best-for-item p:last-child,
:root[data-theme="dark"] .compare-verdict-copy p,
:root[data-theme="dark"] .compare-link-card p,
:root[data-theme="dark"] .feature-content p,
:root[data-theme="dark"] .feature-content li {
    color: var(--muted-strong);
}

:root[data-theme="dark"] .compare-hero-versus {
    color: rgba(248, 243, 255, 0.46);
}

:root[data-theme="dark"] .page-landing {
    --landing-primary: #ff86a6;
    --landing-primary-dark: #ff9bb6;
    --landing-dark: var(--text);
    --landing-light: var(--surface-solid);
    --landing-grey-light: var(--bg-soft);
    --landing-grey: var(--border);
    --landing-muted: var(--muted);
}

:root[data-theme="dark"] .page-landing .hero {
    background:
        radial-gradient(circle at 12% 8%, rgba(255, 101, 148, 0.3), transparent 31rem),
        radial-gradient(circle at 86% 12%, rgba(123, 97, 255, 0.34), transparent 36rem),
        radial-gradient(circle at 50% 46%, rgba(102, 69, 180, 0.12), transparent 38rem),
        linear-gradient(180deg, #211025 0%, #151024 48%, #0f0b16 100%);
}

:root[data-theme="dark"] .page-landing .hero::after {
    background: linear-gradient(180deg, rgba(15, 11, 22, 0) 0%, var(--bg) 86%);
}

:root[data-theme="dark"] .page-landing .hero-keyword-strip span,
:root[data-theme="dark"] .page-landing .workflow-card,
:root[data-theme="dark"] .page-landing .style-system-step,
:root[data-theme="dark"] .page-landing .faq-item,
:root[data-theme="dark"] .page-landing .team-quote {
    color: var(--text);
    border-color: var(--border);
    background: rgba(27, 20, 36, 0.8);
}

:root[data-theme="dark"] .page-landing .style-system-section {
    background: rgba(19, 13, 27, 0.72);
}

:root[data-theme="dark"] .page-landing .download-container {
    background:
        radial-gradient(circle at 12% 0%, rgba(255, 120, 152, 0.2), transparent 44%),
        linear-gradient(135deg, rgba(43, 29, 57, 0.96), rgba(24, 17, 33, 0.98));
    border-color: var(--border);
}

:root[data-theme="dark"] .page-landing .team-quote p {
    color: var(--muted-strong);
}

@media (max-width: 1040px) {
    .theme-toggle-desktop {
        display: none;
    }

    .theme-toggle-mobile {
        display: inline-flex;
        margin-left: auto;
        position: relative;
        z-index: 361;
    }

    :root[data-theme="dark"] .site-nav-panel {
        background: rgba(5, 3, 8, 0.42);
    }

    :root[data-theme="dark"] .site-nav-panel::after {
        border-left-color: var(--border);
        background: rgba(17, 12, 24, 0.9);
    }

    :root[data-theme="dark"] .site-nav > a,
    :root[data-theme="dark"] .site-nav .header-features-selector .language-dropdown-trigger,
    :root[data-theme="dark"] .site-header .header-language-selector-mobile .language-dropdown-trigger {
        color: var(--text);
        border-color: var(--border);
        background: transparent;
    }

    :root[data-theme="dark"] .site-nav > a.is-active,
    :root[data-theme="dark"] .site-nav .header-features-selector.has-active-page .language-dropdown-trigger {
        color: var(--accent-violet);
        background: transparent;
        box-shadow: none;
    }

    :root[data-theme="dark"] .site-nav .header-features-selector .language-dropdown-menu {
        background: transparent;
    }

    :root[data-theme="dark"] .site-nav .header-features-selector .language-dropdown-item:hover,
    :root[data-theme="dark"] .site-nav .header-features-selector .language-dropdown-item:focus-visible {
        color: var(--text);
        background: rgba(169, 148, 255, 0.12);
    }
}