/**
 * MTG Collection Manager - Accessibility Styles
 * Focus states, skip links, screen reader utilities
 */

/* ============================================================
   SKIP TO CONTENT LINK
   ============================================================ */

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-gold);
    color: var(--color-bg-dark);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-decoration: none;
    z-index: 10000;
    transition: top var(--transition-normal);
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* ============================================================
   SCREEN READER ONLY
   ============================================================ */

.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;
}

/* ============================================================
   FOCUS VISIBLE STYLES
   ============================================================ */

:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* Remove default focus outline when not using keyboard */
:focus:not(:focus-visible) {
    outline: none;
}

/* Better focus for buttons */
.btn:focus-visible {
    outline: 3px solid var(--color-gold);
    outline-offset: 3px;
    box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.2);
}

/* Focus styles for form inputs */
.form-input:focus-visible {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
    outline: none;
}

/* Focus styles for cards/interactive elements */
.card:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

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

/* ============================================================
   HIGH CONTRAST MODE SUPPORT
   ============================================================ */

@media (forced-colors: active) {
    .btn-primary {
        border: 2px solid currentColor;
    }
    
    .badge {
        border: 1px solid currentColor;
    }
    
    .card {
        border: 2px solid currentColor;
    }
    
    .nav {
        border-bottom: 2px solid currentColor;
    }
}