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var(--bt-border-strong);border-radius:6px;color:var(--bt-text-emphasis);cursor:pointer;padding:.375rem;transition:all .2s}.book-action-menu-trigger:hover{background:var(--bt-surface-subtle)}.book-action-menu-content{background:var(--bt-control-surface);border:1px solid var(--bt-border);border-radius:8px;box-shadow:var(--bt-shadow-overlay);min-width:120px;opacity:0;position:absolute;right:0;top:100%;transform:translateY(-4px);transition:all .2s;visibility:hidden;z-index:10}.book-action-menu:hover .book-action-menu-content{opacity:1;transform:translateY(0);visibility:visible}.book-action-menu-content button{align-items:center;background:none;border:none;color:var(--bt-text-emphasis);cursor:pointer;display:flex;font-size:.75rem;gap:.5rem;padding:.5rem .75rem;text-align:left;transition:background .2s;width:100%}.book-action-menu-content button:hover{background:var(--bt-subtle-surface)}.book-action-menu-content button:first-child{border-radius:8px 8px 0 0}.book-action-menu-content button:last-child{border-radius:0 0 8px 8px}.books-list{display:flex;flex-direction:column;gap:var(--space-4)}.book-list-item{background:var(--color-white);border:1px solid var(--color-neutral-200);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);gap:var(--space-4);padding:var(--space-4);transition:all .3s 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