/* ========================================
   ACCESSIBILITY STYLES
   Focus indicators, skip links, screen reader utilities
   ======================================== */

/* Focus Indicators - Visible on keyboard navigation (focus-visible) */
:focus-visible {
    outline: 2px solid #0066ff;
    outline-offset: 2px;
}

/* Buttons & Links */
a:focus-visible,
button:focus-visible,
[role="tab"]:focus-visible,
[role="radio"]:focus-visible,
[role="checkbox"]:focus-visible {
    outline: 2px solid #0066ff;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Form Controls */
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.form-check-input:focus-visible {
    outline: 2px solid #0066ff;
    outline-offset: 1px;
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
}

/* Cards & Interactive Elements */
.rb-card:focus-within {
    outline: 2px solid #0066ff;
    outline-offset: 2px;
    border-radius: 12px;
}

.category-card:focus-visible,
.option-card:focus-visible {
    outline: 2px solid #0066ff;
    outline-offset: 2px;
}

/* Pagination */
.page-link:focus-visible {
    outline: 2px solid #0066ff;
    outline-offset: -2px;
    z-index: 3;
}

/* Navigation */
.nav-link:focus-visible,
.nav-dropdown-item:focus-visible,
.mobile-nav-link:focus-visible {
    outline: 2px solid #0066ff;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Compare Dock */
.compare-dock__item:focus-visible,
.compare-dock__item-remove:focus-visible {
    outline: 2px solid #0066ff;
    outline-offset: 2px;
}

/* Tabs */
.rb-tab-btn:focus-visible {
    outline: 2px solid #0066ff;
    outline-offset: -2px;
}

/* Thumbnail Buttons */
.rb-thumb:focus-visible {
    outline: 2px solid #0066ff;
    outline-offset: 2px;
}

/* Skip-to-content Link */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    padding: 12px 24px;
    background: #0066ff;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: 0 0 8px 8px;
    text-decoration: none;
    transition: top 0.2s ease;
}

    .skip-to-content:focus {
        top: 0;
        color: white;
    }

/* Screen Reader Only (complements Bootstrap's .visually-hidden) */
.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;
}

/* High Contrast Mode Support */
@media (forced-colors: active) {
    :focus-visible {
        outline: 2px solid CanvasText;
    }

    a:focus-visible,
    button:focus-visible {
        outline: 2px solid LinkText;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .skip-to-content {
        transition: none;
    }
}