:root {
  --fundo: #f3f5f8; --cartao: #ffffff; --texto: #14202e; --suave: #5b6878; --linha: #dfe4ea;
  --marca: #12355b; --marca-texto: #ffffff; --acento: #c77700; --acento-fundo: #fff4dd;
  --ok: #1d6b45; --ok-fundo: #e3f4ea; --perigo: #a3261d; --pdf: #b3261e;
  --raio: 12px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #0e1620; --cartao: #17222f; --texto: #e8edf3; --suave: #9aa8b8; --linha: #2a3848;
    --marca: #0f2a48; --acento: #f2b340; --acento-fundo: #3a2c0c;
    --ok: #6fd3a0; --ok-fundo: #133325; --perigo: #ff8a80; --pdf: #ff8a80;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--fundo); color: var(--texto); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
body.com-visor { overflow: hidden; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
code { background: var(--linha); padding: 1px 5px; border-radius: 4px; font-size: .9em; }
.muted { color: var(--suave); font-size: .9rem; }

/* ----- botões ----- */
.btn { border: 1px solid var(--linha); background: var(--cartao); border-radius: 10px; padding: 11px 16px; font-weight: 600; cursor: pointer; min-height: 44px; }
.btn.primario { background: var(--marca); border-color: var(--marca); color: var(--marca-texto); }
@media (prefers-color-scheme: dark) { .btn.primario { background: #2f6fb3; border-color: #2f6fb3; } }
.btn.pequeno { padding: 6px 12px; min-height: 36px; font-size: .88rem; flex: none; }
.btn.perigo { color: var(--perigo); }
.btn:disabled { opacity: .55; cursor: default; }
.link { background: none; border: 0; padding: 8px 4px; color: var(--suave); text-decoration: underline; cursor: pointer; }
:focus-visible { outline: 3px solid var(--acento); outline-offset: 2px; }

/* ----- login e telas de espera ----- */
.cartao-centro { min-height: 100dvh; display: grid; place-items: center; padding: 20px 16px; }
.cartao { width: 100%; max-width: 400px; background: var(--cartao); border: 1px solid var(--linha); border-radius: 16px; padding: 24px 20px; display: grid; gap: 14px; }
.cartao h1 { margin: 4px 0 0; font-size: 1.3rem; }
.cartao p { margin: 0; }
.cartao label { display: grid; gap: 5px; font-size: .88rem; font-weight: 600; color: var(--suave); }
.cartao input, .adicionar input, .busca { width: 100%; border: 1px solid var(--linha); background: var(--fundo); border-radius: 10px; padding: 11px 12px; min-height: 44px; font-size: 16px; color: var(--texto); }
.marca { display: flex; gap: 12px; align-items: center; }
.marca b { display: block; font-size: 1.05rem; }
.marca small { color: var(--suave); }
.links { display: flex; flex-wrap: wrap; gap: 4px 16px; justify-content: center; }
.erro { color: var(--perigo); font-weight: 600; }
.info { color: var(--ok); font-weight: 600; }

/* ----- topo ----- */
.topo { position: sticky; top: 0; z-index: 5; background: var(--marca); color: var(--marca-texto); padding: calc(8px + env(safe-area-inset-top)) 12px 10px; display: grid; gap: 8px; }
.topo-linha { display: flex; align-items: center; gap: 4px; max-width: 860px; width: 100%; margin: 0 auto; }
.topo-marca { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; font-size: 1.05rem; }
.topo-marca b, .titulo-tela { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.titulo-tela { flex: 1; font-size: 1.05rem; }
.icone { background: none; border: 0; color: inherit; width: 44px; height: 44px; border-radius: 10px; font-size: 1.35rem; cursor: pointer; display: grid; place-items: center; flex: none; }
.icone:hover { background: rgba(255,255,255,.12); }
.busca { max-width: 860px; margin: 0 auto; background: rgba(255,255,255,.96); color: #14202e; border-color: transparent; }
.menu { position: absolute; right: 12px; top: calc(52px + env(safe-area-inset-top)); background: var(--cartao); color: var(--texto); border: 1px solid var(--linha); border-radius: var(--raio); box-shadow: 0 10px 30px rgba(0,0,0,.25); min-width: 250px; max-width: calc(100vw - 24px); padding: 6px; display: grid; }
.menu button, .menu a { text-align: left; background: none; border: 0; padding: 12px; border-radius: 8px; cursor: pointer; overflow-wrap: anywhere; }
.menu button:hover:not(:disabled), .menu a:hover { background: var(--fundo); }
.menu small { padding: 8px 12px 6px; color: var(--suave); border-top: 1px solid var(--linha); margin-top: 4px; }

.faixa { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; justify-content: space-between; background: var(--acento-fundo); border-bottom: 1px solid var(--linha); padding: 10px 16px; font-size: .92rem; }
.faixa span { flex: 1 1 200px; }
.faixa.alerta { font-weight: 600; }

/* ----- listas ----- */
.conteudo { max-width: 860px; margin: 0 auto; padding: 12px 12px calc(40px + env(safe-area-inset-bottom)); }
.sub { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--suave); margin: 18px 4px 8px; }
.trilha { display: flex; flex-wrap: wrap; gap: 4px 6px; align-items: center; padding: 6px 4px 10px; font-size: .95rem; }
.trilha a { color: var(--suave); text-decoration: underline; padding: 6px 0; }
.trilha span { color: var(--suave); }
.lista { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--raio); overflow: hidden; margin-bottom: 12px; }
.lista.destaque { border-color: var(--acento); }
.linha { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; padding: 12px; min-height: 60px; border-top: 1px solid var(--linha); }
.linha:first-child { border-top: 0; }
a.linha:hover, a.linha:active { background: var(--fundo); }
.txt { flex: 1 1 160px; min-width: 0; display: grid; }
.txt b { font-weight: 600; overflow-wrap: anywhere; }
.txt small { color: var(--suave); font-size: .82rem; overflow-wrap: anywhere; }
.ico { flex: none; width: 38px; height: 38px; border-radius: 8px; display: grid; place-items: center; font-size: .66rem; font-weight: 800; letter-spacing: .04em; }
.ico.pdf { color: var(--pdf); border: 1.5px solid currentColor; }
.ico.pasta { background: var(--acento-fundo); position: relative; }
.ico.pasta::before { content: ""; width: 20px; height: 14px; border-radius: 2px 3px 3px 3px; background: var(--acento); box-shadow: -4px -4px 0 -1px var(--acento); }
.seta { color: var(--suave); font-size: 1.4rem; flex: none; }
.selo { flex: none; font-size: .72rem; font-weight: 700; padding: 3px 8px; border-radius: 99px; white-space: nowrap; }
.selo.novo { background: var(--acento); color: #fff; }
@media (prefers-color-scheme: dark) { .selo.novo { color: #1c1300; } }
.selo.ok { background: var(--ok-fundo); color: var(--ok); }
.vazio { text-align: center; color: var(--suave); padding: 36px 12px; }
.rodape-pasta { display: grid; justify-items: center; padding: 8px 0 0; text-align: center; }
.adicionar { display: flex; gap: 8px; margin-bottom: 6px; }
.adicionar input { flex: 1; min-width: 0; background: var(--cartao); }

/* ----- aviso flutuante ----- */
#aviso { position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom)); transform: translate(-50%, 20px); background: #14202e; color: #fff; padding: 11px 16px; border-radius: 10px; font-size: .92rem; max-width: calc(100vw - 24px); opacity: 0; pointer-events: none; transition: opacity .15s, transform .15s; z-index: 60; text-align: center; box-shadow: 0 6px 20px rgba(0,0,0,.3); }
#aviso.ver { opacity: 1; transform: translate(-50%, 0); }

/* ----- visor de PDF ----- */
.visor { position: fixed; inset: 0; z-index: 40; background: #3b4350; display: grid; grid-template-rows: auto 1fr auto; }
.visor-topo, .visor-barra { background: #101a26; color: #fff; display: flex; align-items: center; gap: 6px; padding: 6px 8px; }
.visor-topo { padding-top: calc(6px + env(safe-area-inset-top)); }
.visor-barra { justify-content: center; padding-bottom: calc(6px + env(safe-area-inset-bottom)); }
.visor-nome { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600; font-size: .95rem; }
.visor-pag { font-size: .85rem; opacity: .85; padding: 0 8px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.visor-sep { width: 1px; height: 24px; background: rgba(255,255,255,.25); margin: 0 6px; }
.vb { background: rgba(255,255,255,.1); border: 0; color: #fff; min-width: 46px; height: 44px; border-radius: 10px; font-size: 1.3rem; cursor: pointer; }
.vb-txt { font-size: .9rem; font-weight: 600; padding: 0 14px; font-variant-numeric: tabular-nums; }
.vb:active { background: rgba(255,255,255,.25); }
.visor-rolagem { overflow: auto; touch-action: pan-x pan-y; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; outline: none; }
.visor-folhas { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 8px; width: max-content; min-width: 100%; }
.folha { position: relative; background: #fff; box-shadow: 0 1px 6px rgba(0,0,0,.4); flex: none; overflow: hidden; }
.folha canvas { position: absolute; display: block; }
.folha-base { inset: 0; width: 100%; height: 100%; }
.visor-msg { color: #fff; text-align: center; padding: 40px 16px; max-width: 420px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }