/**
 * Comparator CSS — porównywarka produktów
 *
 * Obejmuje:
 * - Przycisk "Porównaj" na kartach produktów
 * - Sticky bar u dołu ekranu
 * - Strona /porownaj/ — tabela porównania
 * - Toast notification
 *
 * @package MaszynyOgrodnicze
 * @since   1.0.0
 */

/* =========================================================================
   COMPARE BUTTON — na kartach produktów
   ========================================================================= */

.compare-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: 600;
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
    font-family: var(--font-body);
    white-space: nowrap;
}

.compare-btn:hover {
    border-color: var(--color-accent-blue);
    color: var(--color-accent-blue);
}

.compare-btn--active {
    border-color: var(--color-accent-blue);
    background: color-mix(in srgb, var(--color-accent-blue) 10%, transparent);
    color: var(--color-accent-blue);
}

.compare-btn--active:hover {
    background: color-mix(in srgb, var(--color-accent-blue) 18%, transparent);
}

.compare-btn:focus-visible {
    outline: 2px solid var(--color-accent-blue);
    outline-offset: 2px;
}

/* =========================================================================
   COMPARATOR BAR — sticky bottom
   ========================================================================= */

.comparator-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: calc(var(--z-sticky) + 5);
    background: var(--color-bg-card);
    border-top: 2px solid var(--color-accent-blue);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.3);
    transform: translateY(100%);
    animation: slide-up-bar 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slide-up-bar {
    to { transform: translateY(0); }
}

/* Push content up to not overlap mobile bottom bar */
@media (max-width: 767px) {
    .comparator-bar {
        bottom: 60px; /* mobile bottom bar height */
    }
}

.comparator-bar__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* -----------------------------------------------------------------------
   Slots
----------------------------------------------------------------------- */

.comparator-bar__slots {
    display: flex;
    gap: var(--space-3);
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.comparator-bar__slots::-webkit-scrollbar {
    display: none;
}

.comparator-bar__slot {
    width: 80px;
    min-width: 80px;
    height: 64px;
    border-radius: var(--radius-md);
    border: 2px dashed var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    transition: border-color var(--transition-fast);
}

.comparator-bar__slot--empty {
    background: var(--color-bg-secondary);
}

.comparator-bar__slot--filled {
    border-style: solid;
    border-color: var(--color-accent-blue);
}

.comparator-bar__slot-placeholder {
    font-size: 9px;
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--space-2);
    line-height: 1.3;
}

.comparator-bar__slot-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.comparator-bar__slot-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    font-size: 8px;
    font-weight: 600;
    color: #fff;
    background: rgba(0, 0, 0, 0.65);
    padding: 2px 4px;
    text-align: center;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.comparator-bar__slot-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
    z-index: 2;
}

.comparator-bar__slot-remove:hover {
    background: var(--color-accent-red);
}

/* -----------------------------------------------------------------------
   Actions
----------------------------------------------------------------------- */

.comparator-bar__actions {
    display: flex;
    gap: var(--space-3);
    flex-shrink: 0;
    align-items: center;
}

.comparator-bar__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    margin-left: var(--space-1);
}

.comparator-bar__compare-btn[aria-disabled="true"] {
    opacity: 0.5;
    pointer-events: none;
}

/* =========================================================================
   COMPARATOR PAGE
   ========================================================================= */

.comparator-page {
    padding-bottom: var(--space-12);
}

.comparator-page__breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    padding: var(--space-4) 0;
}

.comparator-page__breadcrumb a {
    color: var(--color-accent-green);
    text-decoration: none;
}

.comparator-page__breadcrumb a:hover {
    text-decoration: underline;
}

.comparator-page__header {
    padding: var(--space-6) 0 var(--space-8);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-6);
}

.comparator-page__title {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.comparator-page__subtitle {
    color: var(--color-text-muted);
    font-size: var(--text-base);
}

/* -----------------------------------------------------------------------
   Table
----------------------------------------------------------------------- */

.comparator-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.comparator-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

/* Label column */
.comparator-table__label-col {
    width: 180px;
    min-width: 140px;
    background: var(--color-bg-secondary);
    padding: var(--space-4);
    text-align: left;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text-secondary);
    border-right: 1px solid var(--color-border);
    position: sticky;
    left: 0;
    z-index: 1;
}

.comparator-table__product-col {
    padding: var(--space-4);
    vertical-align: top;
    border-right: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
    background: var(--color-bg-card);
}

.comparator-table__product-col:last-child {
    border-right: none;
}

/* Product card inside header */
.comparator-table__product-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    position: relative;
    min-width: 180px;
    max-width: 240px;
    margin: 0 auto;
}

.comparator-table__remove {
    position: absolute;
    top: 0;
    right: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid var(--color-border);
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
    z-index: 2;
}

.comparator-table__remove:hover {
    border-color: var(--color-accent-red);
    color: var(--color-accent-red);
    background: color-mix(in srgb, var(--color-accent-red) 8%, transparent);
}

.comparator-table__product-image {
    display: block;
    width: 140px;
    height: 140px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.comparator-table__product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.comparator-table__product-image:hover img {
    transform: scale(1.05);
}

.comparator-table__product-name {
    font-size: var(--text-sm);
    font-weight: 700;
    text-align: center;
    line-height: 1.3;
}

.comparator-table__product-name a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.comparator-table__product-name a:hover {
    color: var(--color-accent-green);
}

.comparator-table__product-price {
    font-weight: 700;
    color: var(--color-accent-green);
    font-size: var(--text-base);
    text-align: center;
}

.comparator-table__out-of-stock {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-style: italic;
}

/* Table body rows */
.comparator-table__header-row {
    border-bottom: 2px solid var(--color-border);
}

.comparator-table__row {
    border-bottom: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
    transition: background var(--transition-fast);
}

.comparator-table__row:last-child {
    border-bottom: none;
}

.comparator-table__row:hover {
    background: color-mix(in srgb, var(--color-accent-green) 2%, transparent);
}

.comparator-table__row--highlight {
    background: color-mix(in srgb, var(--color-accent-green) 4%, transparent);
}

.comparator-table__label {
    background: var(--color-bg-secondary);
    padding: var(--space-4);
    text-align: left;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    border-right: 1px solid var(--color-border);
    position: sticky;
    left: 0;
    vertical-align: middle;
}

.comparator-table__cell {
    padding: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    text-align: center;
    border-right: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
    vertical-align: middle;
}

.comparator-table__cell:last-child {
    border-right: none;
}

.comparator-table__cell--price .woocommerce-Price-amount {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-accent-green);
}

.comparator-table__cell--desc {
    text-align: left;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.comparator-table__na {
    color: var(--color-text-muted);
    opacity: 0.5;
}

/* Stars */
.comparator-table__stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--color-accent-gold);
}

.comparator-table__rating-count {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-left: var(--space-1);
}

/* Stock badges */
.comparator-table__stock {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: 600;
}

.comparator-table__stock--in {
    color: var(--color-accent-green);
}

.comparator-table__stock--out {
    color: var(--color-accent-red);
}

/* Page actions */
.comparator-page__actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Empty state */
.comparator-empty {
    text-align: center;
    padding: var(--space-16) var(--space-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-5);
}

.comparator-empty__icon {
    color: var(--color-text-muted);
    opacity: 0.3;
}

.comparator-empty__text {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
}

/* =========================================================================
   TOAST NOTIFICATION
   ========================================================================= */

.comparator-toast {
    position: fixed;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent-blue);
    color: var(--color-text-primary);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    z-index: calc(var(--z-modal) + 10);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity var(--transition-base), transform var(--transition-base);
    white-space: nowrap;
    pointer-events: none;
}

.comparator-toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 767px) {
    .comparator-toast {
        bottom: calc(60px + var(--space-4));
    }
}