/**
 * Kod Pendule — storefront UI components (Frontend Phase 1)
 */

/* —— Buttons —— */
.shop-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--shop-space-2);
    min-height: var(--shop-touch-target);
    padding: var(--shop-space-3) var(--shop-space-6);
    border-radius: var(--shop-radius-sm);
    font-size: var(--shop-font-size-base);
    font-weight: var(--shop-font-weight-semibold);
    line-height: 1.2;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease,
        box-shadow 0.15s ease, transform 0.15s ease;
}

.shop-btn:active {
    transform: translateY(1px);
}

.shop-btn--primary,
.shop-body .btn-primary {
    background-color: var(--shop-color-primary);
    border-color: var(--shop-color-primary);
    color: var(--shop-color-on-primary);
}

.shop-btn--primary:hover,
.shop-body .btn-primary:hover {
    background-color: var(--shop-color-primary-hover);
    border-color: var(--shop-color-primary-hover);
    color: var(--shop-color-accent-soft);
}

.shop-btn--primary:focus,
.shop-body .btn-primary:focus {
    color: var(--shop-color-on-primary);
}

.shop-btn--secondary,
.shop-body .btn-outline-secondary {
    background-color: var(--shop-color-surface);
    border-color: var(--shop-color-border);
    color: var(--shop-color-text);
}

.shop-btn--secondary:hover,
.shop-body .btn-outline-secondary:hover {
    background-color: var(--shop-color-surface-subtle);
    border-color: var(--shop-color-primary-muted);
    color: var(--shop-color-primary-active);
}

.shop-btn--ghost {
    background: transparent;
    border-color: transparent;
    color: var(--shop-color-primary);
}

.shop-btn--ghost:hover {
    background: var(--shop-color-primary-soft);
}

.shop-btn--sm,
.shop-body .btn-sm {
    min-height: 2.5rem;
    padding: var(--shop-space-2) var(--shop-space-4);
    font-size: var(--shop-font-size-sm);
}

.shop-btn--lg {
    min-height: 3.25rem;
    padding: var(--shop-space-4) var(--shop-space-8);
    font-size: var(--shop-font-size-md);
}

.shop-btn--block {
    width: 100%;
}

/* —— Badges —— */
.shop-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--shop-space-1) var(--shop-space-3);
    border-radius: var(--shop-radius-full);
    font-size: var(--shop-font-size-xs);
    font-weight: var(--shop-font-weight-semibold);
    line-height: 1.2;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
}

.shop-badge--sale,
.product-card .badge.text-bg-danger {
    background: var(--shop-color-danger-bg) !important;
    color: var(--shop-color-danger) !important;
    border-color: var(--shop-color-danger-border);
}

.shop-badge--featured,
.product-card .badge.text-bg-primary {
    background: var(--shop-color-primary-soft) !important;
    color: var(--shop-color-primary-active) !important;
    border-color: var(--shop-color-primary-muted);
}

.shop-badge--stock-out,
.product-card .badge.text-bg-secondary {
    background: var(--shop-color-surface-subtle) !important;
    color: var(--shop-color-text-muted) !important;
    border-color: var(--shop-color-border);
}

.shop-badge--success {
    background: var(--shop-color-success-bg);
    color: var(--shop-color-primary-active);
    border-color: var(--shop-color-success-border);
}

/* —— Cards —— */
.shop-card {
    background: var(--shop-color-surface);
    border: 1px solid var(--shop-color-border-subtle);
    border-radius: var(--shop-radius-lg);
    box-shadow: var(--shop-shadow-card);
    overflow: hidden;
}

.shop-card__body {
    padding: var(--shop-space-5);
}

/* —— Product card (Phase 4) —— */
.shop-product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--shop-space-4);
}

@media (min-width: 576px) {
    .shop-product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 992px) {
    .shop-product-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--shop-space-5);
    }
}

@media (min-width: 1200px) {
    .shop-product-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.shop-product-card {
    border: 1px solid var(--shop-color-border-subtle);
    border-radius: var(--shop-radius-lg);
    background: var(--shop-color-surface);
    box-shadow: var(--shop-shadow-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    transition: box-shadow 0.18s ease, border-color 0.18s ease;
}

.shop-product-card:hover {
    box-shadow: var(--shop-shadow-card-hover);
    border-color: var(--shop-color-primary-muted);
}

.shop-product-card__media {
    position: relative;
    background: var(--shop-color-surface-subtle);
}

.shop-product-card__media-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.shop-product-card__img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}

.shop-product-card__img--placeholder {
    display: block;
    border-bottom: 1px solid var(--shop-color-border-subtle);
    background: radial-gradient(circle at 30% 30%, var(--shop-color-primary-soft), var(--shop-color-surface-subtle));
}

.shop-product-card__badges {
    position: absolute;
    top: var(--shop-space-3);
    left: var(--shop-space-3);
    display: flex;
    gap: var(--shop-space-2);
    flex-wrap: wrap;
}

.shop-product-card__stock {
    position: absolute;
    bottom: var(--shop-space-3);
    left: var(--shop-space-3);
}

.shop-product-card__body {
    padding: var(--shop-space-4);
    display: flex;
    flex-direction: column;
    gap: var(--shop-space-2);
    flex-grow: 1;
}

.shop-product-card__title {
    font-size: var(--shop-font-size-base);
    line-height: var(--shop-line-height-tight);
    margin: 0;
}

.shop-product-card__title-link {
    color: var(--shop-color-text);
    text-decoration: none;
    font-weight: var(--shop-font-weight-semibold);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.shop-product-card__title-link:hover {
    color: var(--shop-color-primary);
}

.shop-product-card__desc {
    margin: 0;
    color: var(--shop-color-text-muted);
    font-size: var(--shop-font-size-sm);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(2 * 1.45em);
}

.shop-product-card__desc--empty {
    min-height: calc(2 * 1.45em);
}

.shop-product-card__bottom {
    margin-top: auto;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--shop-space-3);
    padding-top: var(--shop-space-2);
}

.shop-price {
    font-weight: var(--shop-font-weight-bold);
    font-size: var(--shop-font-size-md);
    color: var(--shop-color-text);
}

.shop-price--sale {
    color: var(--shop-color-danger);
}

.shop-price--was {
    display: block;
    font-weight: var(--shop-font-weight-medium);
    font-size: var(--shop-font-size-xs);
    color: var(--shop-color-text-quiet);
    text-decoration: line-through;
}

.shop-product-card__cart-form {
    margin: 0;
}

.shop-product-card__add,
.shop-product-card__details {
    white-space: nowrap;
}

.category-card {
    border-radius: var(--shop-radius-lg);
    border: 1px solid var(--shop-color-border-subtle);
    box-shadow: var(--shop-shadow-card);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.category-card:hover {
    box-shadow: var(--shop-shadow-card-hover);
    border-color: var(--shop-color-primary-muted);
}

/* Alerts: see polish.css (Phase 9) */

/* —— Pagination —— */
.shop-body .page-link {
    color: var(--shop-color-primary);
    border-radius: var(--shop-radius-sm);
    min-width: var(--shop-touch-target);
    min-height: var(--shop-touch-target);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.shop-body .page-item.active .page-link {
    background: var(--shop-color-primary);
    border-color: var(--shop-color-primary);
}

/* —— Tables (checkout / orders) —— */
.shop-table {
    width: 100%;
    font-size: var(--shop-font-size-sm);
}

.shop-table th {
    font-weight: var(--shop-font-weight-semibold);
    color: var(--shop-color-text-quiet);
    border-bottom: 2px solid var(--shop-color-border);
    padding: var(--shop-space-3);
}

.shop-table td {
    padding: var(--shop-space-3);
    border-bottom: 1px solid var(--shop-color-border-subtle);
    vertical-align: middle;
}