/* ===============================================
   ACCESSIBILITY IMPROVEMENTS - WCAG 2.2
   =============================================== */

/* Skip Links - WCAG 2.4.1 */
.skip-link {
    position: absolute;
    top: -100vh;
    left: 0;
    background: var(--primary-purple);
    color: var(--white);
    padding: var(--spacing-base) var(--spacing-lg);
    text-decoration: none;
    font-weight: bold;
    z-index: 10000;
    border-radius: 0 0 var(--radius-base) 0;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--accent-mint);
    outline-offset: 2px;
}

/* Enhanced Focus Styles - WCAG 2.4.11, 2.4.12, 2.4.13 */
*:focus {
    outline: 3px solid var(--accent-mint);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Specific focus styles for interactive elements */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
.nav__link:focus,
.btn:focus {
    outline: 3px solid var(--accent-mint);
    outline-offset: 2px;
    box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.2);
}

/* Focus within containers */
.nav__menu:focus-within,
.contact__form:focus-within {
    outline: 2px solid var(--accent-mint);
    outline-offset: 2px;
}

/* High contrast focus for form elements */
input:focus,
textarea:focus,
select:focus {
    border: 2px solid var(--primary-purple);
    outline: 3px solid var(--accent-mint);
    outline-offset: 1px;
}

/* Button focus improvements */
.btn:focus {
    transform: translateY(-1px);
    box-shadow: 
        0 0 0 3px var(--accent-mint),
        0 0 0 6px rgba(52, 211, 153, 0.2),
        var(--shadow-lg);
}

/* Navigation link focus */
.nav__link:focus {
    background-color: rgba(139, 92, 246, 0.15);
    color: var(--primary-purple);
    outline: 3px solid var(--accent-mint);
    outline-offset: 2px;
}

.nav__link:focus::after {
    width: 100%;
}

/* Mobile menu toggle focus */
.nav__toggle:focus {
    outline: 3px solid var(--accent-mint);
    outline-offset: 3px;
    background-color: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-sm);
}

/* Target Size - WCAG 2.5.8 (minimum 24x24px) */
.btn,
.nav__link,
.nav__toggle,
input[type="submit"],
input[type="button"],
button {
    min-height: 44px;
    min-width: 44px;
    padding: max(var(--spacing-sm), 12px) max(var(--spacing-base), 16px);
}

/* Checkbox and radio enhanced targets - używamy oryginalnych styli z contact.css */
/* Accessibility - tylko minimal touch target size */
.form__checkbox {
    min-height: 44px;
    padding: var(--spacing-sm);
}

/* Service card clickable area */
.service-card {
    min-height: 44px;
    cursor: pointer;
}

/* Enhanced contrast - WCAG 1.4.3 */
:root {
    --text-high-contrast: #000000;
    --text-medium-contrast: #2d3748;
    --text-low-contrast: #4a5568;
    --bg-high-contrast: #ffffff;
    --border-contrast: #718096;
}


/* Motion reduction - WCAG 2.3.3 */
@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;
    }
    
    .hero__decoration {
        animation: none;
    }
    
    .hero__content,
    .hero__image {
        animation: none;
    }
}

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

.sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: var(--spacing-sm);
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
    background: var(--primary-purple);
    color: var(--white);
}

/* Form accessibility improvements */
.form__error {
    color: #dc2626;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: none; /* Domyślnie ukryte */
    align-items: center;
    gap: var(--spacing-xs);
}

/* Pokaż błędy tylko gdy grupa ma klasę error */
.form__group--error .form__error {
    display: flex;
}

.form__error::before {
    content: "⚠️";
    font-size: var(--font-size-base);
}

.form__success {
    color: #059669;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form__success::before {
    content: "✓";
    font-size: var(--font-size-base);
}

/* Required field indicators */
.form__label--required::after {
    content: " *";
    color: #dc2626;
    font-weight: bold;
}

/* Wyłącz domyślną walidację CSS - tylko JavaScript kontroluje błędy */
input:invalid,
textarea:invalid,
select:invalid {
    box-shadow: none;
    border-color: var(--gray-200); /* Utrzymaj standardowy kolor */
}

/* Pokaż błędy tylko gdy formularz ma odpowiednią klasę */
.form--show-validation input:invalid,
.form--show-validation textarea:invalid,
.form--show-validation select:invalid {
    border-color: #dc2626;
    box-shadow: 0 0 0 1px #dc2626;
}

.form--show-validation input:valid,
.form--show-validation textarea:valid,
.form--show-validation select:valid {
    border-color: var(--accent-mint-dark);
}

/* Style dla pól z błędami dodanymi przez JavaScript */
.form__group--error .form__input,
.form__group--error .form__textarea {
    border-color: #dc2626;
    box-shadow: 0 0 0 1px #dc2626;
}

/* Loading state accessibility */
.btn--loading {
    position: relative;
    color: transparent;
}

.btn--loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Consistent help and contact - WCAG 3.2.6 */
.help-contact-section {
    order: 999;
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

/* Language selection */
.lang-selector {
    position: relative;
    display: inline-block;
}

.lang-selector select {
    min-width: 80px;
    min-height: 44px;
}

/* Table accessibility */
table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    border: 1px solid var(--gray-300);
    padding: var(--spacing-base);
    text-align: left;
}

th {
    background-color: var(--gray-100);
    font-weight: 600;
}

/* Responsive table */
@media (max-width: 768px) {
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Toast notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    z-index: 10000;
    max-width: 400px;
    transform: translateX(100%);
    transition: transform var(--transition-base);
}

.toast--visible {
    transform: translateX(0);
}

.toast--success {
    border-left: 4px solid var(--accent-mint);
}

.toast--error {
    border-left: 4px solid #dc2626;
}

.toast--warning {
    border-left: 4px solid #f59e0b;
}

/* Print styles */
@media print {
    .nav,
    .nav__toggle,
    .nav__overlay,
    .btn,
    .contact__form {
        display: none;
    }
    
    body {
        padding-top: 0;
    }
    
    a::after {
        content: " (" attr(href) ")";
        font-size: smaller;
    }
    
    .hero {
        background: white;
        color: black;
        min-height: auto;
    }
}


/* Large text mode support */
@media (min-resolution: 2dppx) {
    body {
        font-size: calc(var(--font-size-base) * 1.1);
    }
}

/* Custom focus for specific components */
.hero__buttons .btn:focus {
    outline: 4px solid var(--accent-mint);
    outline-offset: 4px;
}

.service-card:focus {
    outline: 3px solid var(--accent-mint);
    outline-offset: 2px;
    transform: scale(1.02);
}

/* Form field groups for better navigation */
.form__fieldset {
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-base);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form__legend {
    font-weight: 600;
    padding: 0 var(--spacing-sm);
    color: var(--primary-purple);
}

/* Status messages */
.status-message {
    padding: var(--spacing-base);
    border-radius: var(--radius-base);
    margin: var(--spacing-base) 0;
    font-weight: 500;
}

.status-message--success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.status-message--error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.status-message--info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

/* Keyboard navigation indicators */
.keyboard-navigation-active *:focus {
    outline: 3px solid var(--accent-mint) !important;
    outline-offset: 2px !important;
}

/* Enhanced mobile touch targets */
@media (max-width: 768px) {
    .btn,
    .nav__link,
    .form__input,
    .form__textarea,
    .form__checkbox {
        min-height: 48px;
    }
    
    .nav__toggle {
        padding: 12px;
        min-width: 48px;
        min-height: 48px;
    }
}