/* ===== UI COMPONENTS AND ACCESSIBILITY ===== */

/* Skip link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 10000;
    font-weight: bold;
    transition: var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Keyboard shortcuts help */
.keyboard-help {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background-color: var(--surface-color);
    border: var(--border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    opacity: 0.8;
    transition: var(--transition);
    max-width: 250px;
}

.keyboard-help:hover {
    opacity: 1;
    transform: translateY(-2px);
}

.shortcut {
    display: flex;
    justify-content: space-between;
    margin: var(--spacing-xs) 0;
}

.key {
    background-color: var(--accent-color-alpha);
    color: var(--accent-color);
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* Artist page navigation link */
.artist-page-link {
    position: fixed;
    top: var(--spacing-lg);
    right: calc(var(--spacing-lg) + 140px); /* Position to the left of theme controls */
    color: white;
    text-decoration: none;
    background-color: #1DB954;
    padding: 10px 15px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    z-index: 999;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.artist-page-link:hover {
    background-color: #1ed760;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.artist-page-link:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Responsive adjustments for fixed elements */
@media (max-width: 768px) {
    .theme-controls {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .artist-page-link {
        top: calc(var(--spacing-lg) + 140px); /* Move below theme controls on mobile */
        right: var(--spacing-lg);
        font-size: var(--font-size-xs);
        padding: 8px 12px;
    }
}

@media (max-width: 480px) {
    .theme-controls {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .artist-page-link {
        top: calc(var(--spacing-sm) + 120px);
        right: var(--spacing-sm);
        padding: 6px 10px;
        font-size: var(--font-size-xs);
    }
}

/* Screen reader only content */
.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 indicators for better accessibility */
*:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--accent-color);
    color: var(--text-on-accent);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    z-index: 1001;
    transition: var(--transition);
}

.skip-link:focus {
    top: 6px;
}

/* Responsive adjustments for components */
@media (max-width: 768px) {
    .keyboard-help {
        display: none; /* Hide on mobile for better UX */
    }
}

@media (orientation: landscape) and (max-height: 600px) {
    .keyboard-help {
        display: none;
    }
}