/**
 * Lazy Potato Express - Filter Buttons Component
 * 
 * Theme: Lazy Potato Express
 * Description: Styles for category filter buttons
 * Version: 1.0.0
 */

/* Filter Buttons Container */
.archive-filters {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--lpe-spacing-sm);
    flex-wrap: wrap;
    padding: var(--lpe-spacing-lg) 0;
}

/* Filter Button Base */
.filter-btn {
    padding: 0.5rem 1.25rem;
    font-size: var(--lpe-font-size-sm);
    font-weight: 500;
    border-radius: var(--lpe-radius-pill);
    transition: all var(--lpe-transition-normal);
    cursor: pointer;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: auto;
}

/* Filter Button Ghost (Default) */
.filter-btn.glass-button-ghost {
    background: var(--lpe-glass-bg);
    backdrop-filter: blur(var(--lpe-glass-blur));
    -webkit-backdrop-filter: blur(var(--lpe-glass-blur));
    border-color: var(--lpe-glass-border);
    color: var(--lpe-color-text);
}

.filter-btn.glass-button-ghost:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--lpe-color-accent-purple);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

/* Filter Button Primary (Active) */
.filter-btn.glass-button-primary {
    background: var(--lpe-color-accent-purple);
    backdrop-filter: blur(var(--lpe-glass-blur));
    -webkit-backdrop-filter: blur(var(--lpe-glass-blur));
    color: white;
    border-color: var(--lpe-color-accent-purple);
}

.filter-btn.glass-button-primary:hover {
    background: var(--lpe-color-accent-purple-hover);
    border-color: var(--lpe-color-accent-purple-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

/* Filter Button Active State */
.filter-btn.active {
    background: var(--lpe-color-accent-purple);
    backdrop-filter: blur(var(--lpe-glass-blur));
    -webkit-backdrop-filter: blur(var(--lpe-glass-blur));
    color: white;
    border-color: var(--lpe-color-accent-purple);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
}

/* Filter Button Active Hover */
.filter-btn.active:hover {
    background: var(--lpe-color-accent-purple-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

/* Filter Button Icon */
.filter-btn .filter-icon {
    margin-right: 0.375rem;
}

/* Filter Button with Icon */
.filter-btn.has-icon {
    padding: 0.5rem 1rem;
}

.filter-btn.has-icon .filter-icon {
    margin: 0;
}

/* Filter Button Small */
.filter-btn.filter-btn-sm {
    padding: 0.375rem 1rem;
    font-size: var(--lpe-font-size-xs);
}

/* Filter Button Large */
.filter-btn.filter-btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: var(--lpe-font-size-base);
}

/* Filter Button Outline */
.filter-btn.glass-button-outline {
    background: transparent;
    border: 2px solid var(--lpe-color-accent-purple);
    color: var(--lpe-color-accent-purple);
}

.filter-btn.glass-button-outline:hover {
    background: var(--lpe-color-accent-purple);
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .archive-filters {
        gap: var(--lpe-spacing-xs);
    }
    
    .filter-btn {
        padding: 0.375rem 0.875rem;
        font-size: var(--lpe-font-size-xs);
    }
}

/* ========================================
   Accessibility
   ======================================== */

.filter-btn:focus {
    outline: 2px solid var(--lpe-color-accent-purple);
    outline-offset: 2px;
}

.filter-btn:focus:not(:focus-visible) {
    outline: none;
}

.filter-btn:focus-visible {
    outline: 2px solid var(--lpe-color-accent-purple);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--lpe-color-accent-purple);
    color: white;
    padding: 8px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}