.author-cover-picker{box-sizing:border-box;color:#0f172a;background:#fff;border:1px solid #e2e8f0;border-radius:16px;width:min(448px,100vw - 24px);max-width:none;max-height:min(88dvh,680px);margin:auto;padding:0;position:fixed;inset:0;overflow:hidden;box-shadow:0 25px 50px -12px #0004}.author-cover-picker::backdrop{background:#0f172a73}.author-cover-shell{flex-direction:column;min-height:0;max-height:min(88dvh,680px);display:flex}.author-cover-shell>header{border-bottom:1px solid #e2e8f0;flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;display:flex}.author-cover-shell h2{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;margin:0;font-size:15px;font-weight:700;overflow:hidden}.author-cover-shell button{cursor:pointer;font-family:inherit}.author-cover-shell button:disabled{opacity:.45;cursor:not-allowed}.author-cover-shell>header button{color:#64748b;background:0 0;border:0;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;padding:6px;display:flex}.author-cover-tabs{border-bottom:1px solid #e2e8f0;flex-shrink:0;gap:4px;padding:8px 8px 0;display:flex}.author-cover-tabs button{color:#64748b;opacity:.7;background:0 0;border:0;border-bottom:2px solid #0000;border-radius:8px 8px 0 0;flex:1;min-height:40px;padding:8px;font-size:12px;font-weight:600}.author-cover-tabs button[aria-selected=true]{color:#4f46e5;opacity:1;background:#6366f11a;border-bottom-color:#6366f1}.author-cover-scroll{overscroll-behavior:contain;flex-direction:column;flex:1;min-height:0;padding:12px 16px 16px;display:flex;overflow-y:auto}.author-cover-scroll [hidden]{display:none}.author-cover-preview{gap:8px;margin-bottom:16px;display:grid}.author-cover-preview img{box-sizing:border-box;object-fit:contain;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;width:100%;max-height:240px;display:block}.author-cover-preview button{color:#64748b;background:0 0;border:0;justify-self:end;font-size:11px}.author-cover-shell>footer{padding:12px 16px max(12px,env(safe-area-inset-bottom));border-top:1px solid #e2e8f0;flex-shrink:0}.author-cover-shell>footer button{color:#fff;background:#4f46e5;border:2px solid #6366f1;border-radius:12px;justify-content:center;align-items:center;gap:8px;width:100%;min-height:44px;padding:12px 16px;font-size:14px;font-weight:700;display:flex}.author-cover-materials{margin-top:16px;font-size:12px}.author-cover-materials>summary{cursor:pointer;color:#64748b;margin-bottom:12px}.author-cover-scroll .creator-avatar-upload{gap:12px;font-size:12px;display:grid}.author-cover-scroll .creator-avatar-upload label{gap:6px;display:grid}.author-cover-scroll .creator-avatar-upload input:not([type=checkbox]),.author-cover-scroll .creator-avatar-materials input{box-sizing:border-box;color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:8px;min-width:0;max-width:100%;padding:9px}.author-cover-scroll .creator-avatar-upload .creator-avatar-rights{align-items:flex-start;line-height:1.6;display:flex}.author-cover-scroll .creator-avatar-upload-preview{object-fit:contain;background:#f8fafc;border-radius:12px;width:100%;max-height:220px}.author-cover-scroll .creator-avatar-upload button,.author-cover-scroll .creator-avatar-materials form button,.author-cover-scroll .creator-avatar-pages button{color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:9px;padding:8px 12px}.author-cover-scroll .creator-avatar-materials form{gap:8px;margin-bottom:14px;display:flex}.author-cover-scroll .creator-avatar-materials form input{flex:1}.author-cover-scroll .creator-avatar-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;display:grid}.author-cover-scroll .creator-avatar-grid button{background:#f8fafc;border:2px solid #0000;border-radius:10px;min-width:0;padding:3px;overflow:hidden}.author-cover-scroll .creator-avatar-grid img{aspect-ratio:1;object-fit:cover;border-radius:6px;width:100%}.author-cover-scroll .creator-avatar-grid span{text-overflow:ellipsis;white-space:nowrap;font-size:10px;display:block;overflow:hidden}.author-cover-scroll .creator-avatar-pages{justify-content:space-between;align-items:center;gap:8px;margin-top:14px;font-size:11px;display:flex}.author-cover-scroll .media-image-studio{min-width:0;margin:0;padding:12px}.author-cover-scroll .media-image-studio fieldset{min-width:0}.author-cover-scroll .media-image-studio img{max-width:100%}.author-cover-scroll .media-image-studio textarea,.author-cover-scroll .media-image-studio select,.author-cover-scroll .media-image-studio input{box-sizing:border-box;max-width:100%}.author-cover-spinner{animation:.9s linear infinite author-cover-spin}@keyframes author-cover-spin{to{transform:rotate(360deg)}}@media (max-width:639px){.author-cover-picker{margin:auto auto 12px}}