html,body,#composeTarget{width:100%;height:100%;margin:0;overflow:hidden;background:#f7f6f2}
#pdf-preview{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;background:#f7f6f2;padding:12px;gap:12px}
#pdf-preview button{align-self:flex-start;border:0;border-radius:8px;background:#b94e29;color:white;padding:12px 24px;font-size:16px;cursor:pointer}
#pdf-preview iframe{width:100%;flex:1;border:0}

#pdf-preview nav{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
#pdf-preview .pdf-pages{overflow:auto;flex:1;background:#dce2db;padding:16px}
#pdf-preview canvas{display:block;margin:0 auto;box-shadow:0 2px 12px #0002}
#pdf-preview button:disabled{opacity:.4;cursor:default}

[hidden]{display:none!important}
#startup{position:fixed;inset:0;z-index:10000;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:24px;text-align:center;background:#f7f6f2;color:#20362f;font-family:system-ui,-apple-system,sans-serif;box-sizing:border-box;overflow:auto}
#startup h1{font-size:28px;margin:16px 0 4px}#startup p{max-width:440px;line-height:1.65;margin:8px 0}#startup-help{color:#58675f;font-size:14px}#startup a{color:#994123;margin-top:14px}#startup button{padding:12px 24px;background:#994123;color:white;border:0;border-radius:24px;font:inherit;margin:12px}#startup :focus-visible{outline:3px solid #df8a52;outline-offset:4px}
#pdf-preview{padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));box-sizing:border-box}
#pdf-preview .pdf-pages{min-height:0}#pdf-preview nav button{min-height:44px}#pdf-preview button:focus-visible{outline:3px solid #df8a52;outline-offset:3px}
/* Keep every preview action reachable without consuming a second toolbar row on phones in landscape. */
@media (max-height:500px) and (min-width:600px){#pdf-preview{padding:max(8px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));gap:8px}#pdf-preview nav{gap:6px}#pdf-preview button{font-size:14px;padding:10px 12px}}