/* =====================================================
   Tirhutwani — Accessibility Styles
   Font Size, High Contrast Mode, A11y Panel
   ===================================================== */

/* ── Font Size Levels ─────────────────────────────── */
html[data-font-size="large"] {
    font-size: 112.5%;
}

html[data-font-size="larger"] {
    font-size: 125%;
}

/* ── High Contrast Mode ───────────────────────────── */
html[data-contrast="high"] body {
    background-color: #000 !important;
    color: #fff !important;
}

html[data-contrast="high"] a {
    color: #ffff00 !important;
    text-decoration: underline !important;
}

html[data-contrast="high"] a:hover,
html[data-contrast="high"] a:focus {
    color: #fff !important;
    background-color: #000 !important;
    outline: 2px solid #ffff00 !important;
}

html[data-contrast="high"] h1,
html[data-contrast="high"] h2,
html[data-contrast="high"] h3,
html[data-contrast="high"] h4,
html[data-contrast="high"] h5,
html[data-contrast="high"] h6 {
    color: #fff !important;
}

html[data-contrast="high"] p,
html[data-contrast="high"] li,
html[data-contrast="high"] span,
html[data-contrast="high"] label,
html[data-contrast="high"] td,
html[data-contrast="high"] th {
    color: #fff !important;
}

html[data-contrast="high"] .bg-white,
html[data-contrast="high"] .bg-gray-50,
html[data-contrast="high"] .bg-gray-100,
html[data-contrast="high"] .bg-gray-200 {
    background-color: #111 !important;
}

html[data-contrast="high"] .bg-gray-800,
html[data-contrast="high"] .bg-gray-900,
html[data-contrast="high"] header,
html[data-contrast="high"] footer,
html[data-contrast="high"] nav {
    background-color: #000 !important;
    border-color: #ffff00 !important;
}

html[data-contrast="high"] .shadow,
html[data-contrast="high"] .shadow-sm,
html[data-contrast="high"] .shadow-md,
html[data-contrast="high"] .shadow-lg,
html[data-contrast="high"] .shadow-xl {
    box-shadow: 0 0 0 2px #ffff00 !important;
}

html[data-contrast="high"] button:not(.a11y-panel-btn):not(#a11y-fab),
html[data-contrast="high"] [type="submit"] {
    background-color: #000 !important;
    color: #ffff00 !important;
    border: 2px solid #ffff00 !important;
}

html[data-contrast="high"] input,
html[data-contrast="high"] select,
html[data-contrast="high"] textarea {
    background-color: #000 !important;
    color: #fff !important;
    border: 2px solid #ffff00 !important;
}

html[data-contrast="high"] img {
    filter: brightness(0.9) contrast(1.1);
}

html[data-contrast="high"] .text-gray-400,
html[data-contrast="high"] .text-gray-500,
html[data-contrast="high"] .text-gray-600,
html[data-contrast="high"] .text-gray-700,
html[data-contrast="high"] .text-gray-800 {
    color: #ccc !important;
}

html[data-contrast="high"] .border,
html[data-contrast="high"] .border-b,
html[data-contrast="high"] .border-t,
html[data-contrast="high"] [class*="border-gray"] {
    border-color: #555 !important;
}

/* ── Accessibility FAB & Panel ────────────────────── */
#a11y-fab {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9000;
    width: 3rem;
    height: 3rem;
    border-radius: 9999px;
    background-color: var(--color-primary);
    color: #fff;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    border: none;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
}

#a11y-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(0,0,0,0.35);
}

#a11y-fab:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
}

#a11y-panel {
    position: fixed;
    bottom: 5rem;
    right: 1.5rem;
    z-index: 8999;
    width: 280px;
    background: #fff;
    color: #1f2937;
    border-radius: 0.75rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    padding: 1.25rem;
    transform: translateY(12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    border: 1px solid #e5e7eb;
}

#a11y-panel.a11y-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ── Dark mode panel ──────────────────────────────── */
[data-theme="dark"] #a11y-panel {
    background: #1e293b;
    color: #f1f5f9;
    border-color: #334155;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

[data-theme="dark"] #a11y-panel h3 {
    color: #f1f5f9;
}

/* ── High contrast panel ──────────────────────────── */
html[data-contrast="high"] #a11y-panel {
    background: #111 !important;
    border-color: #ffff00 !important;
    color: #fff !important;
}

html[data-contrast="high"] #a11y-panel h3 {
    color: #fff !important;
}

.a11y-panel-section {
    margin-bottom: 1rem;
}

.a11y-panel-section:last-child {
    margin-bottom: 0;
}

.a11y-panel-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

[data-theme="dark"] .a11y-panel-label {
    color: #94a3b8;
}

html[data-contrast="high"] .a11y-panel-label {
    color: #ccc !important;
}

/* Font size buttons */
.a11y-font-btn {
    border: 1.5px solid #d1d5db;
    background: #f9fafb;
    color: #374151;
    border-radius: 0.375rem;
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    transition: background 0.1s, border-color 0.1s, color 0.1s;
    line-height: 1;
    font-weight: 600;
}

.a11y-font-btn:hover {
    background: #f3f4f6;
    border-color: var(--color-primary);
}

.a11y-font-btn.a11y-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

[data-theme="dark"] .a11y-font-btn {
    background: #334155;
    color: #e2e8f0;
    border-color: #475569;
}

[data-theme="dark"] .a11y-font-btn:hover {
    background: #3f4f63;
    border-color: var(--color-primary);
}

[data-theme="dark"] .a11y-font-btn.a11y-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

html[data-contrast="high"] .a11y-font-btn {
    background: #000 !important;
    color: #ffff00 !important;
    border-color: #ffff00 !important;
}

html[data-contrast="high"] .a11y-font-btn.a11y-active {
    background: #ffff00 !important;
    color: #000 !important;
}

/* Contrast toggle */
.a11y-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    gap: 0.75rem;
}

.a11y-toggle span {
    font-size: 0.875rem;
    color: #374151;
}

[data-theme="dark"] .a11y-toggle span {
    color: #e2e8f0;
}

.a11y-toggle-track {
    position: relative;
    width: 2.5rem;
    height: 1.375rem;
    border-radius: 9999px;
    background: #d1d5db;
    flex-shrink: 0;
    transition: background 0.2s;
}

[data-theme="dark"] .a11y-toggle-track {
    background: #475569;
}

/* Close button */
.a11y-close-btn {
    color: #9ca3af;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.a11y-close-btn:hover {
    color: #374151;
}

[data-theme="dark"] .a11y-close-btn {
    color: #94a3b8;
}

[data-theme="dark"] .a11y-close-btn:hover {
    color: #f1f5f9;
}

html[data-contrast="high"] .a11y-close-btn {
    color: #ffff00 !important;
}

.a11y-toggle-track.a11y-on {
    background: var(--color-primary);
}

html[data-contrast="high"] .a11y-toggle-track.a11y-on {
    background: #ffff00 !important;
}

.a11y-toggle-thumb {
    position: absolute;
    top: 0.1875rem;
    left: 0.1875rem;
    width: 1rem;
    height: 1rem;
    border-radius: 9999px;
    background: #fff;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.a11y-toggle-track.a11y-on .a11y-toggle-thumb {
    transform: translateX(1.125rem);
}

html[data-contrast="high"] .a11y-toggle-thumb {
    background: #000 !important;
}

/* TTS button playing state — base style comes from Tailwind classes on the element */
#tts-btn.tts-playing {
    background-color: var(--color-primary) !important;
    color: #fff !important;
}

html[data-contrast="high"] #tts-btn {
    background: #000 !important;
    color: #ffff00 !important;
    border: 2px solid #ffff00 !important;
}