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#e5e5e5;background:#fafafa;color:#444}.book-title{font-size:.78rem;letter-spacing:.02em}.book-actions{display:inline-flex;align-items:center;gap:.5rem}.book-open{display:inline-flex;align-items:center;gap:.35rem;font-family:var(--mono);font-size:.78rem;color:var(--mute);text-decoration:none;padding:.3rem .6rem;border:1px solid var(--rule);border-radius:4px;transition:color .15s,border-color .15s}.book-open:hover{color:var(--ink);border-color:var(--ink)}.book-close{appearance:none;background:transparent;border:0;font-size:1.4rem;line-height:1;color:var(--mute);cursor:pointer;padding:0 .3rem;min-width:44px;min-height:44px}.book-close:hover{color:var(--ink)}.book-frame{flex:1;width:100%;height:100%;border:0;background:#fff;color-scheme:light}@media(max-width:600px){.book-card{width:100vw;height:100vh;border-radius:0;border:0;max-width:none;max-height:none}.book-overlay{padding:0}}