/* Skip link - visible on focus */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #21816d;
    color: #fff;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid #fff;
    outline-offset: 2px;
}

/* Focus indicators for keyboard navigation - WCAG 2.1 AA compliant */
*:focus-visible {
    outline: 3px solid #21816d;
    outline-offset: 2px;
    border-radius: 2px;
}

/* Enhanced focus for interactive elements - WCAG 2.4.7 Focus Visible */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid #0066cc; /* Niebieski outline dla lepszej widoczności */
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.3);
    border-radius: 2px;
}

/* Fallback for browsers without :focus-visible support */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

a:focus,
button:focus {
    outline: 3px solid #0066cc;
    outline-offset: 2px;
}

/* Screen reader only class */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.sr-only-focusable:focus,
.sr-only-focusable:active {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    * {
        border-color: currentColor !important;
    }
    
    a, button {
        text-decoration: underline;
    }
}

/* Reduced motion support */
@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;
    }
}

/* Minimum touch target size (44x44px) for mobile */
@media (max-width: 768px) {
    button,
    a,
    input[type="button"],
    input[type="submit"],
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Ensure sufficient color contrast */
.text-muted {
    color: #000000 !important; /* Czarny kolor dla maksymalnego kontrastu WCAG AAA */
}

/* Error states with sufficient contrast */
.is-invalid,
.invalid-feedback {
    color: #dc3545;
    border-color: #dc3545;
}

/* Success states */
.is-valid {
    border-color: #198754;
}

/* Ensure main content is focusable for skip link */
main:focus {
    outline: none;
}

/* Landmark regions */
[role="banner"],
[role="navigation"],
[role="main"],
[role="contentinfo"],
[role="complementary"] {
    outline: none;
}

/* Ensure buttons have visible text or aria-label */
button:empty:not([aria-label]):not([aria-labelledby]) {
    position: relative;
}

button:empty:not([aria-label]):not([aria-labelledby])::before {
    content: 'Przycisk';
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Accessibility Toolbar - completely hidden (not used) */
.accessibility-toolbar {
    display: none !important;
}

.accessibility-toolbar__group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.accessibility-toolbar__label {
    font-size: 0.875rem;
    color: #212832;
    font-weight: 500;
    white-space: nowrap;
}

/* Accessibility buttons in navbar - WCAG AA compliant contrast */
.c-accessibility-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    background: #f8f9fa;
    border: 2px solid #21816d;
    border-radius: 4px;
    text-decoration: none;
    color: #1a5d4f; /* Ciemniejszy kolor dla lepszego kontrastu (4.5:1) */
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    font-family: inherit;
    font-size: inherit;
}

.c-accessibility-link:hover {
    background: #21816d;
    color: #ffffff; /* Biały tekst na zielonym tle - kontrast 4.5:1+ */
    border-color: #21816d;
}

.c-accessibility-link:focus,
.c-accessibility-link:focus-visible {
    background: #21816d;
    color: #ffffff;
    border-color: #21816d;
    outline: 3px solid #0066cc; /* Niebieski outline dla lepszej widoczności */
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.3);
}

.c-accessibility-link--size {
    gap: 4px;
}

.c-accessibility-link__label {
    font-size: 1rem;
    line-height: 1;
    display: inline-block;
}

.c-accessibility-link__label--big {
    font-size: 1.25rem;
}

.c-accessibility-link__label--bigger {
    font-size: 1.5rem;
}

.c-accessibility-link__text {
    font-size: 0.875rem;
    white-space: nowrap;
}

/* Font size classes */
body.font-size-small {
    font-size: 0.875rem;
}

body.font-size-small h1,
body.font-size-small .page-header-ui-title { font-size: 1.75rem !important; }
body.font-size-small h2 { font-size: 1.5rem !important; }
body.font-size-small h3 { font-size: 1.25rem !important; }
body.font-size-small h4 { font-size: 1.125rem !important; }
body.font-size-small h5 { font-size: 1rem !important; }
body.font-size-small h6 { font-size: 0.875rem !important; }
body.font-size-small .page-header-ui-text,
body.font-size-small p { font-size: 0.875rem !important; }
body.font-size-small footer,
body.font-size-small footer a,
body.font-size-small footer .footer-brand,
body.font-size-small footer .text-uppercase-expanded,
body.font-size-small footer .small { font-size: 0.875rem !important; }

body.font-size-normal {
    font-size: 1rem;
}

body.font-size-large {
    font-size: 1.125rem;
}

body.font-size-large h1,
body.font-size-large .page-header-ui-title { font-size: 2.5rem !important; }
body.font-size-large h2 { font-size: 2rem !important; }
body.font-size-large h3 { font-size: 1.75rem !important; }
body.font-size-large h4 { font-size: 1.5rem !important; }
body.font-size-large h5 { font-size: 1.25rem !important; }
body.font-size-large h6 { font-size: 1.125rem !important; }
body.font-size-large .page-header-ui-text,
body.font-size-large p { font-size: 1.125rem !important; }
body.font-size-large footer,
body.font-size-large footer a,
body.font-size-large footer .footer-brand,
body.font-size-large footer .text-uppercase-expanded,
body.font-size-large footer .small { font-size: 1.125rem !important; }

body.font-size-extra-large {
    font-size: 1.25rem;
}

body.font-size-extra-large h1,
body.font-size-extra-large .page-header-ui-title { font-size: 3rem !important; }
body.font-size-extra-large h2 { font-size: 2.5rem !important; }
body.font-size-extra-large h3 { font-size: 2rem !important; }
body.font-size-extra-large h4 { font-size: 1.75rem !important; }
body.font-size-extra-large h5 { font-size: 1.5rem !important; }
body.font-size-extra-large h6 { font-size: 1.25rem !important; }
body.font-size-extra-large .page-header-ui-text,
body.font-size-extra-large p { font-size: 1.25rem !important; }
body.font-size-extra-large footer,
body.font-size-extra-large footer a,
body.font-size-extra-large footer .footer-brand,
body.font-size-extra-large footer .text-uppercase-expanded,
body.font-size-extra-large footer .small { font-size: 1.25rem !important; }

/* High contrast mode */
body.high-contrast {
    background: #ffffff !important;
    color: #000000 !important;
}

body.high-contrast h1,
body.high-contrast h2,
body.high-contrast h3,
body.high-contrast h4,
body.high-contrast h5,
body.high-contrast h6,
body.high-contrast p,
body.high-contrast span,
body.high-contrast div,
body.high-contrast li,
body.high-contrast td,
body.high-contrast th,
body.high-contrast label {
    color: #000000 !important;
    background: transparent !important;
}

body.high-contrast .navbar,
body.high-contrast .navbar-light,
body.high-contrast .bg-white,
body.high-contrast .card,
body.high-contrast .bg-light,
body.high-contrast section {
    background: #ffffff !important;
    color: #000000 !important;
}

body.high-contrast a {
    color: #0000ff !important;
    text-decoration: underline !important;
}

body.high-contrast a:hover,
body.high-contrast a:focus {
    color: #000000 !important;
    background: #ffff00 !important;
}

body.high-contrast button,
body.high-contrast .btn {
    background: #000000 !important;
    color: #ffffff !important;
    border: 2px solid #000000 !important;
}

body.high-contrast button:hover,
body.high-contrast button:focus,
body.high-contrast .btn:hover,
body.high-contrast .btn:focus {
    background: #000000 !important;
    color: #ffffff !important;
    border: 2px solid #000000 !important;
    outline: 3px solid #ffff00 !important;
}

body.high-contrast .c-accessibility-link {
    background: #ffffff !important;
    color: #000000 !important;
    border: 2px solid #000000 !important;
}

body.high-contrast .c-accessibility-link:hover,
body.high-contrast .c-accessibility-link:focus {
    background: #000000 !important;
    color: #ffffff !important;
    border: 2px solid #000000 !important;
    outline: 3px solid #ffff00 !important;
}

body.high-contrast .nav-link {
    color: #000000 !important;
}

body.high-contrast .nav-link:hover,
body.high-contrast .nav-link:focus {
    background: #ffff00 !important;
    color: #000000 !important;
}

body.high-contrast .page-header-ui-dark {
    background: #000000 !important;
    color: #ffffff !important;
}

body.high-contrast .page-header-ui-title,
body.high-contrast .page-header-ui-text {
    color: #ffffff !important;
}

body.high-contrast footer {
    background: #ffffff !important;
    color: #000000 !important;
}

body.high-contrast footer a {
    color: #0000ff !important;
}

/* Accessibility menu in navbar - desktop */
.menu--accessibility-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Desktop accessibility links - positioned in navbar */
.menu--accessibility-links-desktop {
    display: none;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    margin-left: auto;
}

/* Accessibility menu in navbar - mobile (under logo) */
.menu--accessibility-links-mobile {
    display: none;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0.5rem 0 0 0;
    padding: 0;
}

.menu--accessibility-links-mobile {
    display: flex;
    gap: 0.25rem;
}

.menu--accessibility-links-mobile .c-accessibility-link {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    min-height: 32px;
    min-width: 32px;
}

.menu--accessibility-links-mobile .c-accessibility-link__label {
    font-size: 0.75rem;
}

.menu--accessibility-links-mobile .c-accessibility-link__label--big {
    font-size: 0.875rem;
}

.menu--accessibility-links-mobile .c-accessibility-link__label--bigger {
    font-size: 1rem;
}

.menu--accessibility-links-mobile svg {
    width: 16px;
    height: 16px;
}

.menu--accessibility-links li {
    margin: 0;
    padding: 0;
}

.menu--accessibility-links .c-accessibility-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: 2px solid #1a5d4f; /* Ciemniejszy kolor dla lepszego kontrastu */
    border-radius: 4px;
    text-decoration: none;
    color: #1a5d4f; /* Ciemniejszy kolor dla lepszego kontrastu (4.5:1) */
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    font-family: inherit;
    font-size: inherit;
}

.menu--accessibility-links .c-accessibility-link:hover {
    background: #21816d;
    color: #ffffff; /* Biały tekst na zielonym tle - kontrast 4.5:1+ */
    border-color: #21816d;
}

.menu--accessibility-links .c-accessibility-link:focus,
.menu--accessibility-links .c-accessibility-link:focus-visible {
    background: #21816d;
    color: #ffffff;
    border-color: #21816d;
    outline: 3px solid #0066cc; /* Niebieski outline dla lepszej widoczności */
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.3);
}

.menu--accessibility-links .c-accessibility-link--size {
    gap: 4px;
}

.menu--accessibility-links .c-accessibility-link__label {
    font-size: 0.875rem;
    line-height: 1;
    display: inline-block;
}

.menu--accessibility-links .c-accessibility-link__label--big {
    font-size: 1rem;
}

.menu--accessibility-links .c-accessibility-link__label--bigger {
    font-size: 1.125rem;
}

/* Responsive */
@media (max-width: 991.98px) {
    /* Show accessibility links on mobile/tablet */
    .menu--accessibility-links-mobile {
        display: flex !important;
        align-items: center;
    }
    
    /* Hide accessibility links in navbar on mobile */
    .menu--accessibility-links-desktop {
        display: none !important;
    }
    
    /* Ensure main container is flex-row on mobile to keep logo and icons in one line */
    .navbar-marketing .d-flex.flex-column.flex-lg-row {
        flex-direction: row !important;
        align-items: center !important;
        flex-wrap: wrap;
    }
    
    /* Ensure navbar brand (logo + text) is aligned with icons on mobile */
    .navbar-marketing .navbar-brand {
        display: flex !important;
        align-items: center !important;
        margin-right: auto;
        flex-shrink: 0;
    }
    
    /* Keep logo same size as desktop on mobile */
    .navbar-marketing .navbar-brand img {
        height: 92px !important;
        width: auto !important;
        margin-right: 10px !important;
    }
    
    /* Ensure navbar collapse takes full width and is on new line */
    .navbar-marketing .navbar-collapse {
        flex-basis: 100% !important;
        width: 100% !important;
        order: 3;
        margin-top: 1rem;
    }
    
    /* Align menu toggle and icons container with navbar brand on mobile */
    .navbar-marketing .d-flex.align-items-center.gap-2.ms-auto.d-lg-none {
        display: flex !important;
        align-items: center !important;
        align-self: center;
        flex-shrink: 0;
    }
    
    /* Align menu toggle centered with navbar brand on mobile */
    .navbar-toggler {
        align-self: center;
        margin-top: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

@media (min-width: 992px) {
    /* Hide accessibility links under logo on desktop */
    .menu--accessibility-links-mobile {
        display: none !important;
    }
    
    /* Show accessibility links in navbar on desktop */
    .menu--accessibility-links-desktop {
        display: flex !important;
    }
}