:root{--color-primary:#ED9755;--color-primary-dark:#BA7743;--color-secondary:#F0C29E;--color-brown-dark:#6E4627;--color-brown-medium:#6E5948;--color-gradient-start:#F0C29E;--color-gradient-end:#ED9755;--color-hero-start:#6E4627;--color-hero-end:#6E5948}*{box-sizing:border-box}body.book-detail{background:linear-gradient(135deg,var(--color-gradient-start) 0%,var(--color-gradient-end) 100%)fixed;min-height:100vh}.container{max-width:1400px;margin:0 auto;padding:0 1rem}.hero,.book-detail-hero{background:linear-gradient(90deg,var(--color-hero-start) 0%,var(--color-hero-end) 100%);color:#fff;padding:4rem 15rem}.hero-content{display:flex;flex-direction:column;gap:1rem}.hero-category{display:flex;align-items:center;gap:.5rem;color:var(--color-secondary);font-size:.9rem}.hero-title{font-size:clamp(2rem,5vw,3rem);font-weight:700;margin:1rem 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