.product-center-shell {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 12px 0 28px;
}

.product-center-page-shell {
    padding-inline: 12px;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255, 252, 247, 0.88), rgba(247, 250, 252, 0.96));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.product-center-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(280px, 1fr);
    gap: 18px;
    padding: 22px 24px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 22px;
    background:
        radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 34%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.99), rgba(244, 248, 251, 0.98));
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

.product-center-kicker,
.product-center-list-kicker {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #0f766e;
    font-weight: 700;
}

.product-center-hero-copy h2 {
    margin: 0 0 10px;
    font-size: 30px;
    line-height: 1.15;
    color: #0f172a;
}

.product-center-hero-copy p {
    margin: 0;
    color: #475569;
    font-size: 14px;
    line-height: 1.7;
}

.product-center-hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.product-center-hero-stats div,
.product-center-empty {
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.94);
    padding: 18px 16px;
}

.product-center-hero-stats strong {
    display: block;
    font-size: 28px;
    color: #0f172a;
}

.product-center-hero-stats span,
.product-center-empty span {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: #64748b;
}

.product-center-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px;
}

.product-center-tab {
    border: 1px solid rgba(15, 23, 42, 0.1);
    background: rgba(255, 255, 255, 0.9);
    color: #334155;
    border-radius: 999px;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.product-center-tab.active {
    background: linear-gradient(135deg, #0f766e, #155e75);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 16px 28px rgba(15, 118, 110, 0.18);
}

.product-center-layout {
    display: grid;
    grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.product-center-panel {
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.05);
    padding: 18px;
}

.product-center-panel-error {
    border-color: rgba(239, 68, 68, 0.18);
    background: rgba(255, 248, 248, 0.96);
}

.product-center-error-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-center-error-title {
    color: #b42318;
    font-size: 14px;
}

.product-center-error-text {
    color: #7a271a;
    font-size: 13px;
    line-height: 1.6;
}

.product-center-error-note {
    color: #7a271a;
    font-size: 12px;
    opacity: 0.85;
}

.product-center-list-head,
.product-center-editor-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 16px;
}

.product-center-list-head h3,
.product-center-editor-head h3 {
    margin: 0 0 6px;
    font-size: 20px;
    color: #0f172a;
}

.product-center-list-head p,
.product-center-editor-head p {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: #64748b;
}

.product-center-group-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-center-group-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
    text-align: left;
    padding: 10px 14px;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.95), rgba(255, 255, 255, 0.98));
    cursor: pointer;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.product-center-group-item:hover,
.product-center-tab:hover {
    transform: translateY(-1px);
}

.product-center-group-item.active {
    border-color: rgba(15, 118, 110, 0.36);
    box-shadow: 0 18px 32px rgba(15, 118, 110, 0.12);
}

.product-center-group-item-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
}

.product-center-group-item strong {
    font-size: 14px;
    line-height: 1.25;
    color: #0f172a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-center-group-item-meta,
.product-center-group-item em {
    color: #64748b;
    font-size: 12px;
    font-style: normal;
    line-height: 1.35;
}

.product-center-group-item em {
    flex: 0 0 auto;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.product-center-editor-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
}

.product-center-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-center-field-full {
    grid-column: 1 / -1;
}

.product-center-field > span {
    font-size: 12px;
    font-weight: 700;
    color: #475569;
}

.product-center-field small {
    margin-top: -2px;
    font-size: 12px;
    color: #64748b;
    line-height: 1.5;
}

.product-center-input,
.product-center-select,
.product-center-textarea {
    width: 100%;
}

.product-center-textarea {
    min-height: 88px;
    resize: vertical;
}

.product-center-editor-actions {
    display: inline-flex;
    gap: 10px;
}

.product-center-footnote {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.product-center-footnote span {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.05);
    color: #475569;
    font-size: 12px;
}

[data-theme="dark"] .product-center-hero {
    border-color: rgba(148, 163, 184, 0.14);
    background:
        radial-gradient(circle at top left, rgba(20, 184, 166, 0.22), transparent 38%),
        linear-gradient(145deg, rgba(15, 23, 42, 0.98), rgba(30, 41, 59, 0.96));
}

[data-theme="dark"] .product-center-hero-copy h2,
[data-theme="dark"] .product-center-hero-stats strong,
[data-theme="dark"] .product-center-list-head h3,
[data-theme="dark"] .product-center-editor-head h3,
[data-theme="dark"] .product-center-group-item strong {
    color: #e2e8f0;
}

[data-theme="dark"] .product-center-hero-copy p,
[data-theme="dark"] .product-center-hero-stats span,
[data-theme="dark"] .product-center-list-head p,
[data-theme="dark"] .product-center-editor-head p,
[data-theme="dark"] .product-center-group-item-meta,
[data-theme="dark"] .product-center-group-item em,
[data-theme="dark"] .product-center-empty span,
[data-theme="dark"] .product-center-field > span,
[data-theme="dark"] .product-center-field small,
[data-theme="dark"] .product-center-footnote span {
    color: #94a3b8;
}

[data-theme="dark"] .product-center-panel,
[data-theme="dark"] .product-center-group-item,
[data-theme="dark"] .product-center-hero-stats div,
[data-theme="dark"] .product-center-empty {
    border-color: rgba(148, 163, 184, 0.14);
    background: rgba(15, 23, 42, 0.92);
}

[data-theme="dark"] .product-center-panel-error {
    border-color: rgba(248, 113, 113, 0.28);
    background: rgba(69, 16, 25, 0.36);
}

[data-theme="dark"] .product-center-error-title {
    color: #fecaca;
}

[data-theme="dark"] .product-center-error-text,
[data-theme="dark"] .product-center-error-note {
    color: #fca5a5;
}

[data-theme="dark"] .product-center-tab {
    border-color: rgba(148, 163, 184, 0.18);
    background: rgba(15, 23, 42, 0.9);
    color: #cbd5e1;
}

[data-theme="dark"] .product-center-page-shell {
    background: linear-gradient(180deg, rgba(10, 15, 25, 0.9), rgba(13, 18, 28, 0.96));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

@media (max-width: 1100px) {
    .product-center-hero,
    .product-center-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-center-editor-grid {
        grid-template-columns: 1fr;
    }
}