/* Atomsh navigation only. Poetry data, player and reading controls stay independent. */
.atelier-entry .atelier-return{gap:6px;font:12px/1.2 sans-serif;letter-spacing:.04em;min-height:44px;white-space:nowrap}
.fullscreen .topbar.book-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.fullscreen .topbar.book-toolbar .signature{position:static;transform:none;margin:0;white-space:nowrap}
.fullscreen .topbar.book-toolbar .atelier-entry,.fullscreen .topbar.book-toolbar .topbar-actions{flex:none}
@media(max-width:600px){.fullscreen .topbar.book-toolbar{gap:8px;padding-inline:14px}.fullscreen .topbar.book-toolbar .atelier-entry{gap:6px}.fullscreen .topbar.book-toolbar .signature{font-size:18px}.atelier-entry .atelier-return{font-size:10px;gap:4px}}
@media(max-width:380px){.fullscreen .topbar.book-toolbar .signature{font-size:14px}.fullscreen .topbar.book-toolbar{gap:4px;padding-inline:10px}.fullscreen .topbar.book-toolbar .topbar-actions{gap:4px}.fullscreen .topbar.book-toolbar .atelier-entry{gap:2px}}