:root { --fundo: #EEF1F4; --papel: #fff; --tinta: #16202A; --suave: #5B6775; --linha: #D5DCE3; --marca: #2451B7; --erro: #B42318; --ok: #127A5A;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--tinta); background: var(--fundo); }
* { box-sizing: border-box; }
body { margin: 0; font-size: 15px; line-height: 1.5; }
a { color: var(--marca); font-weight: 600; }
:focus-visible { outline: 2px solid var(--marca); outline-offset: 2px; }
.entrada { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.cartao { background: var(--papel); border: 1px solid var(--linha); border-radius: 12px; padding: 1.5rem; }
.entrada .cartao { width: 100%; max-width: 380px; }
.titulo-app { margin: 0 0 1.25rem; font-size: 1.35rem; letter-spacing: -.02em; }
.titulo-app small { display: block; font-size: .9rem; font-weight: 500; color: var(--suave); letter-spacing: 0; }
h1 { font-size: 1.6rem; letter-spacing: -.02em; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
.campo { margin-bottom: 1rem; }
.campo label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .3rem; }
input[type=text], input[type=password], input[type=file] { width: 100%; font: inherit; padding: .6rem .7rem; border: 1px solid #BCC6D0; border-radius: 8px; background: #fff; }
.checkbox { display: flex; align-items: center; gap: .5rem; font-weight: 500; margin-bottom: 1.1rem; cursor: pointer; }
.checkbox input { width: 1.05rem; height: 1.05rem; }
.btn { display: inline-flex; justify-content: center; align-items: center; border: 0; border-radius: 8px; padding: .65rem 1.1rem; font: inherit; font-weight: 700; background: var(--marca); color: #fff; cursor: pointer; text-decoration: none; }
.btn:hover { filter: brightness(.92); }
.btn-largo { width: 100%; }
.msg { padding: .65rem .85rem; border-radius: 8px; margin-bottom: 1rem; font-weight: 600; font-size: .92rem; }
.msg.erro { background: #FDE8E6; color: var(--erro); }
.msg.ok { background: #E3F2EC; color: var(--ok); }
.nota { color: var(--suave); font-size: .9rem; margin: 0 0 1rem; }
.pagina { max-width: 760px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
.pagina .cartao { margin-bottom: 1.5rem; }
.duas { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
code, .copiavel { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .88rem; background: #F2F5F8; border: 1px solid var(--linha); border-radius: 6px; padding: .1rem .35rem; overflow-wrap: anywhere; }
ol { padding-left: 1.2rem; } li { margin-bottom: .4rem; }
pre { background: #F2F5F8; border: 1px solid var(--linha); border-radius: 8px; padding: .8rem; overflow-x: auto; font-size: .82rem; }
@media (max-width: 600px) { .duas { grid-template-columns: 1fr; } }
.entrada { align-content: center; gap: 1rem; }
.rodape-form { margin: 0; text-align: center; font-size: .92rem; }
.link { background: none; border: 0; padding: 0; font: inherit; color: var(--marca); font-weight: 600; text-decoration: underline; cursor: pointer; }
.dispositivos { list-style: none; padding: 0; margin: 0 0 1rem; }
.dispositivos li { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem 0; border-top: 1px solid var(--linha); }
.dispositivos li:first-child { border-top: 0; }
.dispositivos small { display: block; color: var(--suave); }
.btn-sec { background: #fff; color: var(--erro); box-shadow: inset 0 0 0 1px #E4B4AE; padding: .45rem .8rem; font-size: .88rem; }
.selo { font-size: .75rem; font-weight: 700; color: var(--ok); background: #E3F2EC; padding: .1rem .45rem; border-radius: 999px; margin-left: .35rem; }
.aviso-teste { margin: 0 0 1rem; padding: .45rem .7rem; border-radius: 8px; background: #FFEDD5; color: #9A3412; font-weight: 700; font-size: .85rem; text-align: center; }