.product-detail-page{--color-bg-start:var(--gradient-start);--color-bg-end:var(--gradient-end);--color-surface:var(--input-bg);--color-surface-hover:var(--input-bg);--color-border:var(--card-border);--color-border-hover:var(--input-border);--color-text:var(--text-primary);--color-text-muted:var(--text-muted);--color-text-soft:var(--text-secondary);--color-accent:var(--accent-hover);--color-accent-light:var(--accent);--color-accent-dark:#b91c1c;--color-price:#fbbf24;--color-success:#22c55e;--color-info:#3b82f6;--color-warning:#f59e0b;--color-danger:var(--accent);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--transition:all .2s ease;background:0 0;min-height:100vh;padding:80px 20px 40px}.back-nav-button{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text);border-radius:var(--radius-md);cursor:pointer;grid-column:1/-1;align-items:center;gap:8px;width:fit-content;margin-bottom:24px;padding:12px 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