* Single Product Page
 * ---------------------------------------------------------------- */
.erp-product {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 16px;
    font-family: var(--erp-font);
}

.erp-product__breadcrumb {
    font-size: 13px;
    color: var(--erp-text-muted);
    margin-bottom: 24px;
}
.erp-product__breadcrumb a {
    color: var(--erp-text-muted);
    text-decoration: none;
}
.erp-product__breadcrumb a:hover {
    color: var(--erp-primary);
}
.erp-product__breadcrumb .sep {
    margin: 0 6px;
}

.erp-product__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    align-items: start;
}

/* Gallery */
.erp-product__main-image img {
    width: 100%;
    border-radius: var(--erp-radius);
    background: var(--erp-bg-light);
    object-fit: contain;
    aspect-ratio: 1;
}
.erp-product__no-image {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--erp-bg-light);
    border-radius: var(--erp-radius);
    color: var(--erp-border);
}
.erp-product__thumbs {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}
.erp-product__thumb {
    width: 64px;
    height: 64px;
    padding: 0;
    border: 2px solid var(--erp-border);
    border-radius: var(--erp-radius-sm);
    background: #fff;
    cursor: pointer;
    overflow: hidden;
}
.erp-product__thumb.active {
    border-color: var(--erp-primary);
}
.erp-product__thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Info */
.erp-product__brand {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--erp-text-muted);
    margin-bottom: 8px;
}
.erp-product__title {
    font-size: 28px;
    margin: 0 0 12px;
    line-height: 1.2;
}
.erp-product__meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--erp-text-muted);
    margin-bottom: 20px;
}

/* Price */
.erp-product__price {
    margin-bottom: 20px;
}
.erp-product__price-current {
    font-size: 28px;
    font-weight: 700;
    color: var(--erp-text);
}
.erp-product__price-old {
    font-size: 18px;
    color: var(--erp-text-muted);
    text-decoration: line-through;
    margin-right: 8px;
}
.erp-product__price-vat {
    display: block;
    font-size: 12px;
    color: var(--erp-text-muted);
    margin-top: 2px;
}
.erp-product__price-loading,
.erp-product__price-unavailable {
    font-size: 16px;
    color: var(--erp-text-muted);
}

.erp-product__availability {
    margin: -8px 0 16px;
    padding: 12px 14px;
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius-sm);
    background: #fff;
}

.erp-product__availability-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.erp-product__availability-badge {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.erp-product__availability-count {
    font-size: 12px;
    color: var(--erp-text-muted);
}

.erp-product__availability-note {
    margin: 6px 0 0;
    font-size: 13px;
    color: var(--erp-text);
}

.erp-product__availability.is-available {
    border-color: rgba(34, 197, 94, 0.45);
    background: rgba(34, 197, 94, 0.07);
}

.erp-product__availability.is-available .erp-product__availability-badge {
    color: #15803d;
}

.erp-product__availability.is-low {
    border-color: rgba(245, 158, 11, 0.55);
    background: rgba(245, 158, 11, 0.08);
}

.erp-product__availability.is-low .erp-product__availability-badge {
    color: #b45309;
}

.erp-product__availability.is-incoming {
    border-color: rgba(37, 99, 235, 0.45);
    background: rgba(37, 99, 235, 0.06);
}

.erp-product__availability.is-incoming .erp-product__availability-badge {
    color: #1d4ed8;
}

.erp-product__availability.is-pending {
    border-color: rgba(107, 114, 128, 0.4);
    background: rgba(107, 114, 128, 0.08);
}

.erp-product__availability.is-pending .erp-product__availability-badge,
.erp-product__availability.is-out .erp-product__availability-badge {
    color: #374151;
}

.erp-product__availability.is-out {
    border-color: rgba(107, 114, 128, 0.45);
    background: rgba(243, 244, 246, 0.75);
}

.erp-product__availability.is-backorder {
    border-color: rgba(59, 130, 246, 0.35);
    background: rgba(239, 246, 255, 0.8);
}

.erp-product__availability.is-backorder .erp-product__availability-badge {
    color: #1d4ed8;
}

.erp-product__base-price {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    margin: -8px 0 20px;
    padding: 10px 14px;
    background: var(--erp-bg-light);
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius-sm);
}

.erp-product__base-price-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--erp-text-muted);
}

.erp-product__base-price-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--erp-text);
}

/* Variants */
.erp-product__variants {
    margin-bottom: 20px;
}
.erp-product__variants label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
}

/* Quantity */
.erp-product__actions {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 24px;
}

.erp-product__cta-note {
    margin: -10px 0 16px;
    font-size: 13px;
    color: var(--erp-text-muted);
}

.erp-product__benefits {
    margin: 0 0 20px;
    padding: 0;
    list-style: none;
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius);
    background: #fff;
}

.erp-product__benefits li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--erp-text);
    border-bottom: 1px solid var(--erp-border);
}

.erp-product__benefits li:last-child {
    border-bottom: none;
}

.erp-product__benefits svg {
    width: 16px;
    height: 16px;
    color: var(--erp-primary);
    flex-shrink: 0;
}

.erp-product__bundle {
    margin-bottom: 20px;
    padding: 16px;
    background: var(--erp-bg-light);
    border-radius: var(--erp-radius);
}
.erp-product__bundle h3 {
    font-size: 14px;
    margin: 0 0 8px;
}
.erp-product__bundle ul {
    margin: 0;
    padding: 0 0 0 20px;
    font-size: 14px;
}
.erp-product__bundle li { margin-bottom: 4px; }

.erp-product__detail {
    font-size: 14px;
    color: var(--erp-text-muted);
}

.erp-sticky-atc {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--erp-z-sticky-atc, 2147483000);
    background: #fff;
    border-top: 1px solid var(--erp-border);
    box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.12);
    transform: translateY(120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.22s ease, opacity 0.22s ease;
}

.erp-sticky-atc.is-visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.erp-sticky-atc__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-family: var(--erp-font);
}

.erp-sticky-atc__meta strong {
    display: block;
    font-size: 14px;
    color: var(--erp-text);
    line-height: 1.3;
}

.erp-sticky-atc__meta small {
    display: block;
    margin-top: 2px;
    color: var(--erp-text-muted);
    font-size: 12px;
}
.erp-sticky-atc__price {
    color: var(--erp-text) !important;
    font-size: 14px !important;
    font-weight: 700;
}

.erp-sticky-atc__controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.erp-sticky-atc__qty {
    display: inline-flex;
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius-sm);
    overflow: hidden;
}

.erp-sticky-atc__qty-btn {
    width: 30px;
    border: none;
    background: var(--erp-bg-light);
    color: var(--erp-text);
    font-size: 15px;
    cursor: pointer;
}

.erp-sticky-atc__qty-input {
    width: 44px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--erp-border);
    border-right: 1px solid var(--erp-border);
    font-size: 13px;
    padding: 6px 2px;
    -moz-appearance: textfield;
}

.erp-sticky-atc__qty-input::-webkit-inner-spin-button,
.erp-sticky-atc__qty-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

.erp-sticky-atc__button {
    min-width: 180px;
    min-height: 40px;
}

/* Description */
.erp-product__description {
    border-top: 1px solid var(--erp-border);
    padding-top: 32px;
}
.erp-product__description h2 {
    font-size: 20px;
    margin: 0 0 16px;
}
.erp-product__description-body {
    font-size: 15px;
    line-height: 1.6;
    color: var(--erp-text);
}

.erp-stock-debug {
    margin: 12px 0 18px;
    border: 1px dashed var(--erp-border);
    border-radius: var(--erp-radius-sm);
    background: #f8fafc;
    padding: 10px 12px;
    font-size: 12px;
}

.erp-stock-debug summary {
    cursor: pointer;
    font-weight: 600;
    color: #0f172a;
}

.erp-stock-debug dl {
    margin: 10px 0 0;
    display: grid;
    grid-template-columns: minmax(140px, 220px) 1fr;
    gap: 4px 10px;
}

.erp-stock-debug dt {
    color: #475569;
}

.erp-stock-debug dd {
    margin: 0;
    color: #0f172a;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.erp-stock-debug__cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 20px;
    margin-top: 10px;
}

.erp-stock-debug__cols > div > strong {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--erp-border);
    padding-bottom: 3px;
}

.erp-stock-debug__cols > div > dl {
    margin-top: 4px;
}

.erp-stock-debug__error {
    margin: 6px 0 0;
    color: #b91c1c;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 11px;
}

@media (max-width: 600px) {
    .erp-stock-debug__cols {
        grid-template-columns: 1fr;
    }
}

.erp-table-scroll {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 12px 0;
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius-sm);
    background: #fff;
}

.erp-table-scroll table {
    width: 100%;
    min-width: 560px;
    border-collapse: collapse;
}

.erp-table-scroll table th,
.erp-table-scroll table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--erp-border);
    text-align: left;
}

/* Recommendations configurator */
.erp-product__recommendations {
    margin-top: 32px;
    border-top: 1px solid var(--erp-border);
    padding-top: 24px;
}

.erp-product__recommendations-head h2 {
    margin: 0 0 6px;
    font-size: 22px;
}

.erp-product__recommendations-head p {
    margin: 0;
    color: var(--erp-text-muted);
}

.erp-reco-group {
    margin-top: 20px;
}

.erp-reco-group h3 {
    margin: 0 0 12px;
    font-size: 16px;
}

.erp-reco-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}

.erp-reco-card {
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius);
    background: #fff;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.erp-reco-card__check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--erp-bg-light);
    border-bottom: 1px solid var(--erp-border);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--erp-text-muted);
    font-weight: 600;
}

.erp-reco-card__check input {
    accent-color: var(--erp-accent, var(--erp-primary));
}

.erp-reco-card__media {
    display: block;
    aspect-ratio: 1;
    background: var(--erp-bg-light);
}

.erp-reco-card__media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.erp-reco-card__placeholder {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    color: var(--erp-text-muted);
    font-size: 13px;
}

.erp-reco-card__body {
    padding: 12px;
}

.erp-reco-card__brand {
    display: block;
    margin-bottom: 6px;
    color: var(--erp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 11px;
}

.erp-reco-card__body h4 {
    margin: 0;
    font-size: 14px;
    line-height: 1.4;
}

.erp-reco-card__body h4 a {
    color: var(--erp-text);
    text-decoration: none;
}

.erp-reco-card__body h4 a:hover {
    color: var(--erp-primary);
}

.erp-reco-card__price {
    margin-top: 8px;
    font-weight: 700;
    color: var(--erp-text);
    font-size: 14px;
}

.erp-reco-actions {
    margin-top: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.erp-reco-feedback {
    margin: 0;
    color: var(--erp-text-muted);
    font-size: 13px;
}