.author-info-hint{border:1px solid var(--line);background:var(--surface-soft);width:20px;height:20px;color:var(--muted);cursor:help;border-radius:50%;flex:none;justify-content:center;align-items:center;font:italic 600 13px Georgia,serif;display:inline-flex}.author-info-hint:hover,.author-info-hint:focus-visible{color:var(--purple);border-color:var(--purple)}.author-hint-content{z-index:450;border:1px solid var(--line);background:var(--surface);width:280px;max-width:calc(100vw - 24px);color:var(--ink);box-shadow:var(--shadow-soft);border-radius:12px;padding:14px;font-size:13px;line-height:1.55;animation:.16s author-hint-in}.author-hint-content strong{margin-bottom:6px;display:block}.author-hint-content p{margin:6px 0}.author-hint-content svg{width:100%;height:auto}.author-field-title{align-items:center;gap:8px;display:flex}.quote-placement-example{color:#d7dfe8;background:linear-gradient(135deg,#304354,#242331);border-radius:9px;grid-template-columns:50px 1fr 50px;align-items:center;gap:8px;margin:10px 0;padding:14px 10px;font-size:10px;display:grid}.quote-placement-example i{background:#61758d;border-radius:4px;width:40px;height:60px;display:block}.quote-placement-example span[data-active=true]{color:#ffa0b0;border:1px solid;border-radius:5px;padding:4px}.quote-placement-example small{color:#acb8c7;margin-top:5px;display:block}.book-design-optional{border:1px solid var(--line);border-radius:14px;min-width:0}.book-design-optional>summary{cursor:pointer;align-items:center;gap:10px;padding:18px;font-weight:600;display:flex}.book-design-optional>summary small{color:var(--muted);margin-left:auto;font-size:12px;font-weight:400}.book-design-optional .book-design-editor{border:0;padding-top:0}.book-design-presets{flex-wrap:wrap;gap:8px;display:flex}.book-design-presets button{border:1px solid var(--line);background:var(--surface);width:100px;color:var(--ink);border-radius:9px;gap:5px;padding:5px;font-size:11px;display:grid}.book-design-presets button[aria-pressed=true]{border-color:var(--purple)}.book-design-presets img{object-fit:cover;border-radius:5px;width:100%;height:38px}.creation-covers .cover-device-previews{flex-wrap:wrap;align-items:flex-end;gap:24px;max-width:100%;padding:14px 0;display:flex}.cover-device-previews figure{flex:none;width:96px;margin:0}.cover-device-previews figure[data-device=desktop]{width:160px}.cover-device-previews figure[data-device=card]{width:72px}.creation-covers .cover-device-previews .book-cover-image{aspect-ratio:2/3;object-fit:cover;border-radius:8px;display:block;width:100%!important;max-width:100%!important;height:auto!important}.cover-device-previews figcaption{color:var(--muted);margin-top:8px;font-size:12px}.book-design-editor .book-banner-preview{aspect-ratio:8/3;max-width:460px;height:auto}.book-design-editor .book-banner-preview.book-banner-mobile{aspect-ratio:4/3;max-width:240px}.book-design-editor .book-banner-preview img{object-fit:cover;max-width:100%;display:block;width:100%!important;height:100%!important}.chapter-upload-preview{width:160px;max-width:100%;margin:14px 0}.chapter-upload-preview img{object-fit:cover;border-radius:9px;max-width:100%;display:block;width:160px!important;height:96px!important}.chapter-upload-preview figcaption{color:var(--muted);margin-top:6px;font-size:12px}@keyframes author-hint-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.author-hint-content{animation:none}}@media (max-width:480px){.creation-covers .cover-device-previews{gap:12px}.cover-device-previews figure[data-device=desktop]{width:112px}.cover-device-previews figure{width:74px}.cover-device-previews figure[data-device=card]{width:54px}.book-design-optional>summary{flex-wrap:wrap}.book-design-optional>summary small{margin-left:0}}.creation-covers .media-upload button{border:1px solid var(--line);background:var(--surface-soft);padding:9px 12px}.creation-covers .media-upload button svg{color:currentColor;background:0 0;border-radius:0;padding:0;position:static}.creation-covers .book-image-guide{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.creation-covers .author-info-hint{border:1px solid var(--line);background:var(--surface-soft);width:20px;height:20px;padding:0}.author-hint-content{box-sizing:border-box;max-height:min(calc(100dvh - 24px),var(--radix-popover-content-available-height,600px));overscroll-behavior:contain;overflow-y:auto}.author-hint-content.author-hint-wide{width:340px}.book-design-presets{overscroll-behavior-x:contain;scroll-snap-type:x proximity;scrollbar-width:thin;flex-wrap:nowrap;min-width:0;max-width:100%;padding:3px 2px 9px;overflow-x:auto}.book-design-presets button{scroll-snap-align:start;cursor:pointer;flex:0 0 124px;width:124px;line-height:1.35}.book-design-presets button:focus-visible{outline:2px solid var(--purple);outline-offset:1px}.book-design-presets img{height:52px}.book-design-presets button[aria-pressed=true]{box-shadow:0 0 0 1px var(--purple)}@media (pointer:coarse){.author-info-hint{min-width:36px;min-height:36px}.creation-covers .author-info-hint{width:36px;height:36px}}