/* ==========================================================================
   Theme — light / dark mode overrides
   Toggle via data-theme on <html>
   ========================================================================== */

/* --------------------------------------------------------------------------
   Theme toggle button
   -------------------------------------------------------------------------- */
.header__controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.header__theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    cursor: pointer;
    flex-shrink: 0;
    transition:
        background-color var(--transition-base),
        border-color var(--transition-base),
        color var(--transition-base),
        transform var(--btn-transition);
}

.header__theme-toggle:hover {
    color: var(--color-primary);
    border-color: rgba(30, 111, 217, 0.28);
    background-color: rgba(30, 111, 217, 0.06);
}

.header__theme-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.header__theme-icon {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

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

/* --------------------------------------------------------------------------
   Dark mode — component overrides
   -------------------------------------------------------------------------- */
[data-theme="dark"] .hero__mockup {
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.35),
        0 0 0 1px var(--color-surface-inset) inset;
}

[data-theme="dark"] .hero__mockup-sidebar {
    background-color: var(--color-mockup-surface);
}

[data-theme="dark"] .featurepage__workflow {
    background: var(--color-panel-gradient-md);
    border-color: rgba(30, 111, 217, 0.2);
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.25),
        0 0 0 1px var(--color-surface-inset) inset;
}

[data-theme="dark"] .featurepage__workflow-section {
    border-block-color: rgba(30, 111, 217, 0.2);
}

[data-theme="dark"] .featurepage__workflow-track {
    background: var(--color-workflow-track-bg);
    border-color: rgba(30, 111, 217, 0.15);
}

[data-theme="dark"] .featurepage__workflow-card {
    background: var(--color-workflow-card-bg);
    border-color: rgba(30, 111, 217, 0.15);
}

[data-theme="dark"] .featurepage__section .featurepage__workflow-track {
    background: var(--color-workflow-track-bg);
}

[data-theme="dark"] .portals-index__mobile-card,
[data-theme="dark"] .portals-index__flow-panel {
    border-color: rgba(30, 111, 217, 0.2);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .modules__card,
[data-theme="dark"] .why__card,
[data-theme="dark"] .home-page .institutions__card,
[data-theme="dark"] .home-page .integrations__card {
    border-color: var(--color-border);
}

[data-theme="dark"] .features-index__mockup-tile,
[data-theme="dark"] .features-index__mockup-wide,
[data-theme="dark"] .features-index__flow-module,
[data-theme="dark"] .features-index__model-card,
[data-theme="dark"] .features-index__addon-card,
[data-theme="dark"] .modules-index__stat-item,
[data-theme="dark"] .modules-index__comparison-card,
[data-theme="dark"] .solutions__structure-card,
[data-theme="dark"] .solutions__highlight-card,
[data-theme="dark"] .solutions__model-card,
[data-theme="dark"] .portals__card,
[data-theme="dark"] .institutions__card,
[data-theme="dark"] .integrations__card,
[data-theme="dark"] .crm__step,
[data-theme="dark"] .hiw-index__service-card,
[data-theme="dark"] .hiw-index__stat,
[data-theme="dark"] .hiw__step-card,
[data-theme="dark"] .about-index__stat,
[data-theme="dark"] .about-index__pillar,
[data-theme="dark"] .about-index__story-body,
[data-theme="dark"] .careers-page__department-card,
[data-theme="dark"] .careers-page__perk,
[data-theme="dark"] .sitemap-page__group,
[data-theme="dark"] .portals-index__mobile-card,
[data-theme="dark"] .portals-index__flow-panel,
[data-theme="dark"] .featurepage__portal-card,
[data-theme="dark"] .featurepage__highlight-card,
[data-theme="dark"] .solutionpage__module-card,
[data-theme="dark"] .features__faq-item,
[data-theme="dark"] .inquiry-page__form-card,
[data-theme="dark"] .inquiry-page__info-card,
[data-theme="dark"] .inquiry-page__hero-meta-item,
[data-theme="dark"] .inquiry-page__quick-action:not(.inquiry-page__quick-action--primary),
[data-theme="dark"] .legal-page__card {
    background-color: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="dark"] .features-index__mockup-tile,
[data-theme="dark"] .features-index__model-card,
[data-theme="dark"] .modules-index__comparison-card {
    background: var(--color-surface);
}

[data-theme="dark"] .features-index__flow-panel {
    background: var(--color-panel-gradient);
    border-color: rgba(30, 111, 217, 0.2);
}

[data-theme="dark"] .portals-index__mobile-phone-tile {
    background: rgba(30, 41, 59, 0.88);
    border-color: rgba(30, 111, 217, 0.2);
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .portals-index__mobile-app-stat,
[data-theme="dark"] .portals-index__mobile-app-feed-item {
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(30, 111, 217, 0.18);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .portals-index__mobile-app-portal--active {
    background: var(--color-surface);
}

[data-theme="dark"] .portals-index__mobile-app-portals {
    background: rgba(30, 111, 217, 0.12);
    border-color: rgba(30, 111, 217, 0.16);
}

[data-theme="dark"] .modules__card,
[data-theme="dark"] .why__card {
    background: var(--color-card-gradient);
}

[data-theme="dark"] .modules__nav-btn {
    background-color: var(--color-nav-btn-bg);
    border-color: rgba(30, 111, 217, 0.35);
}

[data-theme="dark"] .body__footer {
    background: linear-gradient(180deg, #0a0f16 0%, #0f172a 100%);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] textarea.form-control {
    background-color: var(--color-input-bg);
    border-color: var(--color-input-border);
    color: var(--color-text);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus,
[data-theme="dark"] textarea.form-control:focus {
    background-color: var(--color-input-bg);
    border-color: var(--color-primary);
    color: var(--color-text);
    box-shadow: 0 0 0 0.2rem rgba(30, 111, 217, 0.2);
}

[data-theme="dark"] .form-control::placeholder,
[data-theme="dark"] textarea.form-control::placeholder {
    color: var(--color-text-muted);
}

[data-theme="dark"] .form-label {
    color: var(--color-text);
}

[data-theme="dark"] .header__hamburger-line {
    background-color: var(--color-text);
}

[data-theme="dark"] .header__nav--open {
    background-color: #0f1419;
    border-right-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .header__dropdown-menu {
    background-color: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="dark"] .header__dropdown-item:hover,
[data-theme="dark"] .header__mega-link:hover {
    background-color: var(--color-bg-alt);
}

[data-theme="dark"] .pagehero__breadcrumb-item,
[data-theme="dark"] .pagehero__breadcrumb-item a {
    color: var(--color-text-muted);
}

[data-theme="dark"] .pagehero__breadcrumb-item a:hover {
    color: var(--color-primary);
}

[data-theme="dark"] .trust__tag {
    background-color: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="dark"] .cta__card,
[data-theme="dark"] .features__cta-card {
    border: 1px solid rgba(30, 111, 217, 0.22);
}

[data-theme="dark"] .cta__bg-blob--one {
    background: rgba(30, 111, 217, 0.12);
}

[data-theme="dark"] .cta__bg-blob--two {
    background: rgba(99, 102, 241, 0.18);
}

[data-theme="dark"] .cta__bg-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}
