/* Accessibility Styles for Anatolia Dubbing */

/* High Contrast Mode */
.high-contrast {
    background-color: #000 !important;
    color: #fff !important;
}

.high-contrast .header {
    background-color: #000 !important;
    border-bottom: 2px solid #fff !important;
}

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

.high-contrast .nav-link:hover,
.high-contrast .nav-link.active {
    color: #ffff00 !important;
}

.high-contrast .btn-primary {
    background-color: #ffff00 !important;
    color: #000 !important;
    border: 2px solid #fff !important;
}

.high-contrast .btn-secondary {
    background-color: transparent !important;
    color: #fff !important;
    border: 2px solid #fff !important;
}

.high-contrast .service-card,
.high-contrast .feature-item,
.high-contrast .process-step {
    background-color: #000 !important;
    color: #fff !important;
    border: 2px solid #fff !important;
}

.high-contrast .hero {
    background: #000 !important;
    color: #fff !important;
}

.high-contrast .hero-overlay {
    background: rgba(255,255,255,0.1) !important;
}

/* Large Text Mode */
.large-text {
    font-size: 1.2em;
}

.large-text h1 { font-size: 3.5rem; }
.large-text h2 { font-size: 2.8rem; }
.large-text h3 { font-size: 2.2rem; }
.large-text h4 { font-size: 1.8rem; }
.large-text p { font-size: 1.2rem; }
.large-text .btn { font-size: 1.2rem; padding: 16px 32px; }

/* Screen Reader Optimizations */
.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-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Focus Indicators */
*:focus {
    outline: 3px solid #2563eb;
    outline-offset: 2px;
}

.btn:focus,
.nav-link:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid #ffff00;
    outline-offset: 2px;
}

/* Skip Links */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 4px 4px;
}

.skip-link:focus {
    top: 0;
}

/* Accessibility Panel */
.accessibility-panel {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: block;
}

.accessibility-toggle {
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.accessibility-toggle:hover {
    background: #1d4ed8;
    transform: scale(1.1);
}

.accessibility-menu {
    position: absolute;
    top: 70px;
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    padding: 1.5rem;
    min-width: 250px;
    display: none;
    z-index: 10001;
}

.accessibility-menu.show {
    display: block;
}

.accessibility-menu h3 {
    margin: 0 0 1rem 0;
    color: #1f2937;
    font-size: 1.1rem;
}

.accessibility-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.accessibility-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.accessibility-option:hover {
    background-color: #f3f4f6;
}

.accessibility-option input[type="checkbox"] {
    margin: 0;
    width: 18px;
    height: 18px;
    accent-color: #2563eb;
}

.accessibility-option .checkmark {
    display: none;
}

.accessibility-menu {
    position: absolute;
    top: 70px;
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    padding: 1.5rem;
    min-width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.accessibility-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.accessibility-menu h3 {
    margin-bottom: 1rem;
    color: #1f2937;
    font-size: 1.2rem;
}

.accessibility-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accessibility-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: #374151;
}

.accessibility-options input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #2563eb;
}

/* Keyboard Navigation */
.keyboard-nav *:focus {
    outline: 3px solid #ffff00 !important;
    outline-offset: 2px !important;
}

.keyboard-nav .nav-link:focus,
.keyboard-nav .btn:focus {
    background-color: #ffff00 !important;
    color: #000 !important;
}

/* Text-to-Speech Styles */
.tts-highlight {
    background-color: #ffff00 !important;
    color: #000 !important;
    padding: 2px 4px;
    border-radius: 3px;
    animation: tts-pulse 1s ease-in-out;
}

@keyframes tts-pulse {
    0% { background-color: #ffff00; }
    50% { background-color: #ffeb3b; }
    100% { background-color: #ffff00; }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero {
        background-attachment: scroll !important;
    }
}

/* Print Styles */
@media print {
    .accessibility-panel,
    .nav-actions,
    .hero-actions,
    .social-links {
        display: none !important;
    }
    
    .header {
        position: static !important;
        box-shadow: none !important;
    }
    
    .hero {
        background: none !important;
        color: #000 !important;
    }
    
    .hero-overlay {
        display: none !important;
    }
    
    * {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #dddddd;
        --card-bg: #2d2d2d;
        --border-color: #404040;
    }
    
    body {
        background-color: var(--bg-color);
        color: var(--text-color);
    }
    
    .header {
        background-color: var(--card-bg);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link {
        color: var(--text-color);
    }
    
    .service-card,
    .feature-item,
    .process-step {
        background-color: var(--card-bg);
        color: var(--text-color);
        border: 1px solid var(--border-color);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        background-color: var(--card-bg);
        color: var(--text-color);
        border-color: var(--border-color);
    }
}

/* High Contrast Dark Mode */
@media (prefers-color-scheme: dark) and (prefers-contrast: high) {
    :root {
        --bg-color: #000000;
        --text-color: #ffffff;
        --card-bg: #000000;
        --border-color: #ffffff;
    }
}

/* Accessibility Utilities */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.focus-visible:focus {
    outline: 3px solid #2563eb;
    outline-offset: 2px;
}

/* ARIA Live Regions */
.aria-live {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Error States */
.error {
    border-color: #dc2626 !important;
    background-color: #fef2f2 !important;
}

.error-message {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Success States */
.success {
    border-color: #16a34a !important;
    background-color: #f0fdf4 !important;
}

.success-message {
    color: #16a34a;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #2563eb;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Mobile Accessibility */
@media (max-width: 768px) {
    .accessibility-panel {
        top: 10px;
        right: 10px;
    }
    
    .accessibility-toggle {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .accessibility-menu {
        right: -10px;
        min-width: 200px;
    }
}

/* Touch Target Sizes */
@media (pointer: coarse) {
    .btn,
    .nav-link,
    .lang-link {
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .checkbox-label {
        min-height: 44px;
        padding: 8px;
    }
}