/* ==========================================================================
   Singles Shop page
   ========================================================================== */

/* -------------------------------------------------------------------------- */
/* Page header                                                                  */
/* -------------------------------------------------------------------------- */
.shop-page-header {
    padding: var(--space-10) 0 var(--space-8);
    border-bottom: 1px solid rgba(155, 81, 224, 0.2);
    margin-bottom: var(--space-8);
    background: linear-gradient(to bottom, var(--color-purple-abyss), transparent);
}

.shop-page-header__title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.shop-page-header__count {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* -------------------------------------------------------------------------- */
/* Layout — sidebar + grid                                                      */
/* -------------------------------------------------------------------------- */
.shop-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    gap: var(--space-8);
    align-items: start;
}

/* -------------------------------------------------------------------------- */
/* Toolbar (sort + filter toggle on mobile)                                     */
/* -------------------------------------------------------------------------- */
.shop-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding: var(--space-3) var(--space-4);
    background: var(--color-vault);
    border: 1px solid var(--color-olive-deep);
    border-radius: var(--radius-base);
}

.shop-toolbar__left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.shop-toolbar__count {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.shop-toolbar__filter-btn {
    display: none; /* shown on mobile via media query */
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid var(--color-olive-deep);
    border-radius: var(--radius-base);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.shop-toolbar__filter-btn:hover {
    background: var(--color-vault-raised);
    border-color: var(--color-olive-mid);
}

.shop-toolbar__filter-btn svg {
    width: 16px;
    height: 16px;
}

/* Sort dropdown */
.shop-sort {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.shop-sort label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.shop-sort select {
    width: auto;
    min-width: 180px;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

/* -------------------------------------------------------------------------- */
/* Product grid                                                                 */
/* -------------------------------------------------------------------------- */
.mana-card-grid {
    display: grid !important;
    gap: var(--space-5);
    animation: fade-in var(--transition-base) forwards;
    /* Default responsive columns — works without a modifier class */
    grid-template-columns: repeat(auto-fill, minmax(185px, 1fr));
    width: 100%;
}

.mana-card-grid--columns-3 {
    grid-template-columns: repeat(3, 1fr);
}

.mana-card-grid--columns-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* WooCommerce sometimes wraps the grid in a .products element — flatten it */
ul.products,
.woocommerce ul.products {
    display: contents !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* -------------------------------------------------------------------------- */
/* Empty state                                                                  */
/* -------------------------------------------------------------------------- */
.shop-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-20) var(--space-8);
    color: var(--color-text-muted);
}

.shop-empty__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    opacity: 0.3;
    color: var(--color-olive-mid);
}

.shop-empty__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.shop-empty p { font-size: var(--text-sm); }

/* -------------------------------------------------------------------------- */
/* Pagination                                                                   */
/* -------------------------------------------------------------------------- */
.shop-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-subtle);
}

.page-number,
.page-prev,
.page-next {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-2);
    background: var(--color-vault);
    border: 1px solid var(--color-olive-deep);
    border-radius: var(--radius-base);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    cursor: pointer;
}

.page-number:hover,
.page-prev:hover,
.page-next:hover {
    background: var(--color-vault-raised);
    border-color: var(--color-olive-mid);
    color: var(--color-text-primary);
}

.page-number.current {
    background: var(--color-purple);
    border-color: var(--color-purple);
    color: #fff;
    pointer-events: none;
}

.page-number.disabled,
.page-prev.disabled,
.page-next.disabled {
    opacity: 0.3;
    pointer-events: none;
}

/* -------------------------------------------------------------------------- */
/* Active filter chips — parchment+gold palette (C2)                           */
/* JS renders .filter-chip children; container hides itself when empty.         */
/* -------------------------------------------------------------------------- */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-4) 0;
    margin-bottom: 0;
}

/* Hide the bar when there are no chips — avoids dead vertical space */
.active-filters:empty {
    display: none;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: rgba(245, 243, 238, 0.08); /* parchment tint */
    border: 1px solid rgba(201, 168, 76, 0.4); /* gold hairline */
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-parchment);
    cursor: pointer;
    transition:
        background var(--transition-fast),
        border-color var(--transition-fast);
}

.filter-chip:hover {
    background: rgba(201, 168, 76, 0.12);
    border-color: var(--color-gold);
}

/* × button inside the chip */
.filter-chip__remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: currentColor;
    font-size: 14px;
    line-height: 1;
    padding: 0;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.filter-chip__remove:hover { opacity: 1; }

/* -------------------------------------------------------------------------- */
/* Museum empty state — shown when AJAX returns zero results (C3)              */
/* JS injects .shop-empty-state into #shop-grid when found === 0.              */
/* -------------------------------------------------------------------------- */
.shop-empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-12) var(--space-6);
    background: rgba(245, 243, 238, 0.03); /* barely-there parchment wash */
    border: 1px solid rgba(201, 168, 76, 0.2);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

/* Classical corner ornaments — gold L-shapes at top-left and bottom-right */
.shop-empty-state::before,
.shop-empty-state::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border-color: var(--color-gold);
    border-style: solid;
    opacity: 0.45;
    pointer-events: none;
}

.shop-empty-state::before {
    top: var(--space-3);
    left: var(--space-3);
    border-width: 2px 0 0 2px;
    border-radius: var(--radius-sm) 0 0 0;
}

.shop-empty-state::after {
    bottom: var(--space-3);
    right: var(--space-3);
    border-width: 0 2px 2px 0;
    border-radius: 0 0 var(--radius-sm) 0;
}

.shop-empty-state__ornament {
    width: 48px;
    height: 48px;
    color: var(--color-gold);
    opacity: 0.6;
    margin-bottom: var(--space-4);
    flex-shrink: 0;
}

.shop-empty-state__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-parchment);
    letter-spacing: var(--tracking-wide);
    text-align: center;
    margin-bottom: var(--space-2);
}

.shop-empty-state__hint {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-align: center;
    line-height: var(--leading-normal);
    margin-bottom: var(--space-6);
    max-width: 36ch;
}

/* "Clear filters" button — matches the museum outline-button pattern */
.shop-empty-state__clear {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background: transparent;
    border: 1px solid rgba(201, 168, 76, 0.5);
    border-radius: var(--radius-base);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-parchment);
    cursor: pointer;
    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast);
}

.shop-empty-state__clear:hover {
    background: rgba(201, 168, 76, 0.12);
    border-color: var(--color-gold);
    color: var(--color-gold);
}

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

/* -------------------------------------------------------------------------- */
/* Skeleton loader cards — shimmer animation during AJAX fetch (C4)            */
/* JS renders N × .shop-skeleton-card into #shop-grid while loading.           */
/* -------------------------------------------------------------------------- */
.shop-skeleton-card {
    aspect-ratio: 2.5 / 3.5; /* standard MTG card proportions */
    border-radius: var(--radius-md);
    border: 1px solid rgba(201, 168, 76, 0.08);
    background: linear-gradient(
        90deg,
        var(--color-vault-raised) 0%,
        var(--color-vault)        50%,
        var(--color-vault-raised) 100%
    );
    background-size: 200% 100%;
    overflow: hidden;
}

/* Shimmer animation — only plays when the user hasn't requested reduced motion */
@media (prefers-reduced-motion: no-preference) {
    .shop-skeleton-card {
        animation: shop-skeleton-shimmer 1.4s ease-in-out infinite;
    }
}

@keyframes shop-skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* -------------------------------------------------------------------------- */
/* Oracle text panel (single product page)                                      */
/* -------------------------------------------------------------------------- */
.oracle-text-panel {
    padding: var(--space-4) 0;
}

.oracle-mana-cost {
    margin-bottom: var(--space-3);
    font-size: var(--text-lg);
}

.oracle-type-line {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-subtle);
}

.oracle-rules-text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-loose);
    font-style: italic;
    white-space: pre-line;
}

/* -------------------------------------------------------------------------- */
/* Responsive                                                                   */
/* -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .shop-layout {
        grid-template-columns: 1fr;
    }

    .shop-toolbar__filter-btn { display: inline-flex; }

    .mana-card-grid--columns-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .mana-card-grid--columns-3,
    .mana-card-grid:not([class*="--columns"]) {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }

    .shop-sort label { display: none; }
    .shop-sort select { min-width: 150px; }
}

@media (max-width: 400px) {
    .mana-card-grid {
        grid-template-columns: 1fr !important;
    }
}