/* ═══════════════════════════════════════════════════════════════
   a11y.css — Accessibility improvements for The Daily Mine
   WCAG 2.1 AA compliance: contrast, focus, skip-nav, landmarks
   ═══════════════════════════════════════════════════════════════ */

/* ── Skip Navigation Link ── */
.skip-nav {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--accent, #d97706);
    color: #000;
    padding: 12px 24px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 6px 6px;
    transition: top 0.2s ease;
}

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

/* ── Focus Styles — Visible on dark backgrounds ── */
*:focus-visible {
    outline: 2px solid var(--accent, #d97706);
    outline-offset: 2px;
}

/* Buttons and interactive elements */
button:focus-visible,
[role="button"]:focus-visible,
.nav-link:focus-visible,
.filter-btn:focus-visible,
.sort-btn:focus-visible,
.popular-tag:focus-visible,
.quick-link:focus-visible,
.share-btn-small:focus-visible,
.theme-toggle:focus-visible,
.share-btn:focus-visible {
    outline: 2px solid var(--accent, #d97706);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.25);
}

/* Links */
a:focus-visible {
    outline: 2px solid var(--accent, #d97706);
    outline-offset: 2px;
}

/* Inputs */
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent, #d97706);
    outline-offset: 0;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

/* Remove default outline for mouse users (keep for keyboard) */
:focus:not(:focus-visible) {
    outline: none;
}

/* ── Dropdown accessibility ── */
.nav-dropdown .dropdown-menu a:focus-visible {
    outline: 2px solid var(--accent, #d97706);
    outline-offset: -2px;
    background: var(--bg-tertiary, #1a1a1a);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .live-dot {
        animation: none !important;
        opacity: 1 !important;
    }
    
    .ticker-label {
        animation: none !important;
        opacity: 1 !important;
    }
}

/* ── Screen reader only utility ── */
.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;
}