:root{
  --bg:#f3f5f7; --surface:#fff; --ink:#15202b; --muted:#5b6876; --line:#d8dee5;
  --accent:#1f5f8b; --accent-soft:#e3eef6; --ok:#2e7d4f; --erro:#a8321a;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0f151b; --surface:#18212a; --ink:#e6ebf0; --muted:#9aa7b4; --line:#2b3743;
  --accent:#6fb0de; --accent-soft:#1c3346; --ok:#6cc58f; --erro:#ef8a72; color-scheme:dark}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.topo{position:sticky;top:0;z-index:5;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:space-between;
  padding:calc(env(safe-area-inset-top,0px) + 12px) max(16px,env(safe-area-inset-right,0px)) 12px max(16px,env(safe-area-inset-left,0px))}
.topo h1{font-size:1.05rem;margin:0;font-weight:600}
.sair{color:#fff;font-size:.9rem;opacity:.85}
main{padding:16px max(16px,env(safe-area-inset-right,0px)) calc(84px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));max-width:720px;margin:0 auto}
.tela{display:flex;flex-direction:column;gap:12px}
.cartao{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.cartao h2{margin:0;font-size:1.1rem}
.cartao p{margin:0}
.centro{align-items:center;text-align:center;gap:12px;padding:28px 16px}
.sub{color:var(--muted);font-size:.85rem;margin:0}
.busca input{width:100%;font-size:1rem;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.busca input:focus{outline:2px solid var(--accent);outline-offset:1px}
.lista{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.lista li button{width:100%;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;color:var(--ink);font:inherit;display:flex;flex-direction:column;gap:2px;cursor:pointer}
.lista li button:active{background:var(--accent-soft)}
.lista .nome{font-weight:600}
.lista .vazio{color:var(--muted);padding:8px 2px}
.aviso{background:var(--accent-soft);border-radius:10px;padding:10px 14px;font-size:.9rem}
.voltar{align-self:flex-start;background:none;border:0;color:var(--accent);font:inherit;padding:4px 0;cursor:pointer}
.seg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface)}
.seg button{border:0;background:none;padding:10px;font:inherit;color:var(--muted);cursor:pointer}
.seg button.on{background:var(--accent);color:#fff;font-weight:600}
.estado{font-size:.92rem;color:var(--muted);min-height:1.2em}
.estado.erro{color:var(--erro)}
.estado.ok{color:var(--ok)}
.paginas{display:flex;flex-direction:column;gap:10px}
.paginas canvas{width:100%;height:auto;background:#fff;border-radius:4px;box-shadow:0 1px 6px rgba(0,0,0,.15)}
.acoes{display:flex;flex-direction:column;gap:8px}
.botao{display:block;text-align:center;padding:12px;border-radius:10px;font:600 1rem system-ui,sans-serif;border:1px solid var(--accent);color:var(--accent);background:var(--surface);text-decoration:none;cursor:pointer}
.botao.principal{background:var(--accent);color:#fff}
.botao:disabled{opacity:.5}
.abas{position:fixed;left:0;right:0;bottom:0;z-index:5;display:grid;grid-template-columns:repeat(3,1fr);background:var(--surface);border-top:1px solid var(--line);
  padding:0 max(0px,env(safe-area-inset-right,0px)) env(safe-area-inset-bottom,0px) max(0px,env(safe-area-inset-left,0px))}
.abas a{text-align:center;padding:14px 4px;color:var(--muted);text-decoration:none;font-size:.95rem}
.abas a.on{color:var(--accent);font-weight:600;box-shadow:inset 0 3px 0 var(--accent)}
.giro{display:inline-block;width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:g 0.9s linear infinite;vertical-align:-2px;margin-right:6px}
@keyframes g{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion: reduce){.giro{animation:none}}