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.2s}.create-book-button:hover{background:var(--color-accent-hover)}.mybooks-loading,.mybooks-empty{padding:48px;background:var(--color-bg);border-radius:8px;text-align:center;color:var(--color-text-muted)}.mybooks-empty p{margin:8px 0}.mybooks-empty .hint{color:var(--color-text-muted);font-size:13px}.mybooks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:20px}@media(max-width:768px){.mypage{padding:24px 16px}.mybooks-section{padding:20px}.mybooks-grid{grid-template-columns:repeat(2,1fr);gap:16px}}@media(max-width:480px){.mybooks-section{padding:16px}.mybooks-grid{gap:12px}.profile-display{flex-direction:column;align-items:center;text-align:center}}.mybook-card{position:relative;border-radius:4px;overflow:hidden;background:var(--color-text-primary);transition:transform .3s ease,box-shadow .3s ease;cursor:pointer}.mybook-card:hover{transform:translateY(-6px);box-shadow:0 16px 32px 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.2s}.mybook-dropdown button:hover{background:var(--color-bg)}.mybook-dropdown button.danger{color:#dc2626}.mybook-dropdown button.danger:hover{background:#fef2f2}.mybook-cover{aspect-ratio:3 / 4;overflow:hidden}.mybook-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.mybook-card:hover .mybook-cover img{transform:scale(1.03)}.mybook-cover-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2a2a2a,#1a1a1a)}.mybook-cover-placeholder span{font-size:2.5rem;opacity:.2}.mybook-title-overlay{position:absolute;bottom:0;left:0;right:0;padding:40px 12px 12px;background:linear-gradient(to top,rgba(0,0,0,.8) 0%,transparent 100%);color:#fff}.mybook-title-overlay h3{margin:0 0 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auto}.viewer--fullscreen{position:fixed;inset:0;padding:0;margin:0;width:100%;height:100%;display:flex;flex-direction:column;background:#000;overflow:hidden;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.viewer__logo{position:absolute;top:max(12px,env(safe-area-inset-top));left:max(12px,env(safe-area-inset-left));z-index:100;pointer-events:auto;opacity:.8;cursor:pointer;transition:opacity .2s}.viewer__logo:hover{opacity:1}.viewer__logo img{height:20px;width:auto}.viewer__share-btn{position:absolute;top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));z-index:100;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);border-radius:50%;color:#fffc;cursor:pointer;transition:all .2s 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