.book-preview-container{min-height:100vh;width:100%;background:#1f3d35;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}.book-preview-wrapper{max-width:1000px;position:relative;flex-direction:column;gap:2rem}.book-preview-wrapper,.preview-branding{width:100%;display:flex;align-items:center}.preview-branding{justify-content:center;gap:1rem;margin-bottom:1rem}.preview-branding-logo{color:rgba(255,255,255,.35);font-size:.875rem;font-weight:300;letter-spacing:.05em;margin-bottom:.5rem;cursor:pointer;transition:color .2s ease}.preview-branding-logo:hover{color:rgba(255,255,255,.6)}.preview-branding-title{color:white;font-size:1.5rem;font-weight:700;line-height:1.2;cursor:pointer;transition:opacity .2s ease}.preview-branding-title:hover{opacity:.8}.clickable{user-select:none;-webkit-user-select:none;-moz-user-select:none}@media (max-width:768px){.preview-branding-logo{font-size:.75rem}.preview-branding-title{font-size:1.25rem}}.flipbook{margin:0 auto;box-shadow:0 0 40px rgba(0,0,0,.5)}.book-page{display:flex;align-items:center;justify-content:center;overflow:hidden}.blank-page,.book-page{background:white}.blank-content{background:white;width:100%;height:100%}.page-content{width:100%;height:100%;position:relative;display:flex;align-items:center;justify-content:center}.cover-page{background:linear-gradient(135deg,#2c2c2c,#1a1a1a)}.cover-content{padding:2rem;flex-direction:column}.cover-image{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;position:absolute;top:0;left:0}.cover-text{color:white;text-align:center;z-index:1}.book-title{font-size:2.5rem;font-weight:800;margin-bottom:.5rem;line-height:1.2}.book-subtitle{font-size:1.25rem;margin-bottom:1rem;opacity:.9}.book-author{font-size:1rem;opacity:.7}.back-cover-content,.back-cover-page{background:white}.the-end{color:#1a1a1a;font-size:2rem;font-weight:700}.text-content{padding:3rem 2rem;flex-direction:column;background:white}.page-text{font-family:Georgia,Times New Roman,serif;font-size:1.125rem;line-height:1.8;color:#1a1a1a;text-align:left;max-width:100%}.page-text-empty{color:#999;font-style:italic;text-align:center}@media (max-width:768px){.text-content{padding:2rem 1.5rem}.page-text{font-size:1rem;line-height:1.6}}.image-content{padding:0;background:white}.page-image{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.page-image-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#f5f5f5;color:#999}.page-number{position:absolute;bottom:1.5rem;font-size:.75rem;color:#999;font-family:Georgia,serif}.text-content .page-number{right:2rem}.image-content .page-number{left:2rem;color:rgba(255,255,255,.7);text-shadow:0 0 4px rgba(0,0,0,.5)}.page-indicator{color:rgba(255,255,255,.6);font-size:.875rem;text-align:center;margin-top:1rem}@media (max-width:640px){.page-indicator{font-size:.75rem}}@media (max-width:768px){.book-preview-container{padding:1rem .5rem}.book-title{font-size:1.75rem}.book-subtitle{font-size:1rem}.book-author{font-size:.875rem}}