/* 
  A11Y Layer - Radio Me Gusta 
  International Accessibility Standard WCAG 2.1 AA 
*/

:root {
    --font-scale: 1;
    --focus-outline-color: #4D96FF;
    --focus-outline-width: 3px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--focus-outline-color);
    color: white;
    padding: 10px 20px;
    z-index: 99999;
    text-decoration: none;
    font-weight: bold;
    transition: top 0.3s;
    border-radius: 0 0 8px 0;
}

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

/* Global Focus Style */
*:focus-visible {
    outline: var(--focus-outline-width) solid var(--focus-outline-color) !important;
    outline-offset: 4px !important;
}

/* Base Scaling */
html {
    font-size: calc(16px * var(--font-scale));
    scroll-behavior: smooth;
}

/* Accessibility Widget */
.a11y-widget-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #4D96FF;
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}

.a11y-widget-btn:hover {
    transform: scale(1.1);
}

.a11y-panel {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 300px;
    background: #1a1a2e;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: none;
    flex-direction: column;
    gap: 15px;
    backdrop-filter: blur(10px);
    color: white;
}

.a11y-panel.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.a11y-panel h2 {
    font-size: 1.2rem;
    margin: 0 0 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.a11y-control {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.a11y-control label {
    font-size: 0.9rem;
    font-weight: 600;
}

.a11y-btn-group {
    display: flex;
    gap: 5px;
}

.a11y-option-btn {
    flex: 1;
    padding: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.a11y-option-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.a11y-option-btn.active {
    background: #4D96FF;
    border-color: #4D96FF;
}

.a11y-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.a11y-toggle-btn.active {
    border-color: #4D96FF;
    background: rgba(77, 150, 255, 0.1);
}

.a11y-toggle-btn .switch {
    width: 40px;
    height: 20px;
    background: #333;
    border-radius: 20px;
    position: relative;
    transition: background 0.3s;
}

.a11y-toggle-btn.active .switch {
    background: #4D96FF;
}

.a11y-toggle-btn .switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s;
}

.a11y-toggle-btn.active .switch::after {
    transform: translateX(20px);
}

.a11y-reset-btn {
    margin-top: 10px;
    padding: 12px;
    background: #ff0055;
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: bold;
}

/* High Contrast Mode */
.a11y-contrast {
    --bg-base: #000 !important;
    --bg-surface: #000 !important;
    --text-primary: #fff !important;
    --text-secondary: #ff0 !important;
    --accent: #ff0 !important;
    --border-subtle: #fff !important;
}

.a11y-contrast * {
    background-color: #000 !important;
    color: #fff !important;
    border-color: #fff !important;
    text-shadow: none !important;
    box-shadow: none !important;
}

.a11y-contrast a,
.a11y-contrast button {
    color: #ff0 !important;
    border: 2px solid #ff0 !important;
}

.a11y-contrast .a11y-widget-btn {
    background: #ff0 !important;
    color: #000 !important;
    border: 4px solid #fff !important;
}

/* Reduce Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.a11y-reduce-motion * {
    animation: none !important;
    transition: none !important;
}

/* Font Scales */
.a11y-font-1 {
    --font-scale: 1;
}

.a11y-font-2 {
    --font-scale: 1.25;
}

.a11y-font-3 {
    --font-scale: 1.5;
}

/* Transcription Accordion */
.transcription-container {
    margin-top: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

.transcription-trigger {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: white;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.transcription-content {
    display: none;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.transcription-content.active {
    display: block;
}

.aria-announcer {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}