/* Tela de login — cores da marca (azul do logo #27AAE1) */
:root {
  color-scheme: light;
  --marca: #27aae1;
  --marca-escura: #1580b5;
  --marca-funda: #0e5f8a;
  --botao: #1479ad;          /* contraste ≥ 4.5:1 com texto branco */
  --botao-hover: #0f6896;
  --fundo: #f5f8fa;
  --cartao: #ffffff;
  --borda: #dfe5ea;
  --texto: #0f1b24;
  --texto-2: #51606b;
  --mudo: #7a8791;
  --erro: #c23b3a;
  --erro-fundo: #fdf0f0;
  --foco: rgba(39, 170, 225, .35);
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --fundo: #0e1418;
    --cartao: #151d23;
    --borda: #26323b;
    --texto: #eef3f6;
    --texto-2: #b3c0c9;
    --mudo: #84939e;
    --erro: #f08585;
    --erro-fundo: #2a1617;
    --foco: rgba(39, 170, 225, .45);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --fundo: #0e1418; --cartao: #151d23; --borda: #26323b; --texto: #eef3f6; --texto-2: #b3c0c9;
  --mudo: #84939e; --erro: #f08585; --erro-fundo: #2a1617; --foco: rgba(39, 170, 225, .45);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.tela { min-height: 100%; display: grid; grid-template-columns: minmax(380px, 46%) 1fr; }

/* ---- painel da marca */
.marca {
  position: relative; overflow: hidden;
  background: linear-gradient(150deg, var(--marca) 0%, var(--marca-escura) 55%, var(--marca-funda) 100%);
  color: #fff; display: flex; align-items: center; padding: 64px 56px;
}
.marca-conteudo { position: relative; z-index: 1; max-width: 420px; }
.marca-logo {
  width: 84px; height: 84px; border-radius: 50%; display: block; margin-bottom: 36px;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, .18), 0 12px 32px rgba(0, 0, 0, .18);
}
.marca h2 { font-size: 34px; line-height: 1.15; font-weight: 700; letter-spacing: -.02em; margin: 0 0 14px; }
.marca p { font-size: 17px; margin: 0 0 32px; color: rgba(255, 255, 255, .9); }
.marca-itens { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.marca-itens li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: rgba(255, 255, 255, .95); }
.marcador {
  width: 22px; height: 22px; border-radius: 50%; flex: none; background: rgba(255, 255, 255, .18);
  position: relative;
}
.marcador::after {
  content: ""; position: absolute; left: 7px; top: 4px; width: 5px; height: 10px;
  border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.marca-onda { position: absolute; inset: 0; width: 100%; height: 100%; color: #fff; pointer-events: none; }

/* ---- formulário */
.area-form { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px 24px; gap: 20px; }
.cartao-login {
  width: 100%; max-width: 400px; background: var(--cartao); border: 1px solid var(--borda);
  border-radius: 16px; padding: 40px 36px; display: flex; flex-direction: column; gap: 20px;
  box-shadow: 0 1px 2px rgba(15, 27, 36, .04), 0 12px 40px rgba(15, 27, 36, .06);
}
.logo-mobile { display: none; width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 4px; }
.cartao-login header h1 { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin: 0 0 6px; }
.cartao-login header p { margin: 0; color: var(--texto-2); font-size: 14.5px; }

.campo { display: flex; flex-direction: column; gap: 7px; }
.campo label { font-size: 13.5px; font-weight: 600; color: var(--texto); }
.campo input {
  width: 100%; height: 46px; padding: 0 14px; font: inherit; color: var(--texto);
  background: var(--cartao); border: 1px solid var(--borda); border-radius: 10px;
  transition: border-color .15s, box-shadow .15s;
}
.campo input::placeholder { color: var(--mudo); }
.campo input:hover { border-color: #c3ced6; }
.campo input:focus { outline: none; border-color: var(--marca); box-shadow: 0 0 0 4px var(--foco); }
.campo input[aria-invalid="true"] { border-color: var(--erro); }

.senha-caixa { position: relative; }
.senha-caixa input { padding-right: 48px; }
.mostrar {
  position: absolute; right: 4px; top: 4px; width: 38px; height: 38px; border: 0; border-radius: 8px;
  background: transparent; color: var(--mudo); cursor: pointer; display: grid; place-items: center;
}
.mostrar:hover { color: var(--texto); background: var(--fundo); }
.mostrar[aria-pressed="true"] { color: var(--marca-escura); }
.mostrar:focus-visible { outline: 2px solid var(--marca); outline-offset: 1px; }

.erro {
  margin: 0; padding: 11px 14px; border-radius: 10px; font-size: 14px;
  background: var(--erro-fundo); color: var(--texto); border-left: 3px solid var(--erro);
}

.entrar {
  height: 48px; border: 0; border-radius: 10px; background: var(--botao); color: #fff;
  font: inherit; font-weight: 650; font-size: 15.5px; cursor: pointer; position: relative;
  transition: background .15s, transform .05s; margin-top: 4px;
}
.entrar:hover { background: var(--botao-hover); }
.entrar:active { transform: translateY(1px); }
.entrar:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--foco); }
.entrar:disabled { cursor: default; opacity: .85; }
.entrar .girando {
  display: none; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .4); border-top-color: #fff;
  position: absolute; left: 50%; top: 50%; margin: -9px 0 0 -9px; animation: girar .7s linear infinite;
}
.entrar.carregando .rotulo { visibility: hidden; }
.entrar.carregando .girando { display: block; }
@keyframes girar { to { transform: rotate(360deg); } }

.ajuda { margin: 0; text-align: center; font-size: 13px; color: var(--mudo); }
.rodape { margin: 0; font-size: 12.5px; color: var(--mudo); display: flex; align-items: center; gap: 6px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .entrar .girando { animation-duration: 1.5s; }
}

/* ---- tablet e celular: só o formulário, com o logo em cima */
@media (max-width: 900px) {
  .tela { grid-template-columns: 1fr; }
  .marca { display: none; }
  .logo-mobile { display: block; }
  .cartao-login header { text-align: center; }
}
@media (max-width: 480px) {
  .area-form { padding: 24px 16px; justify-content: flex-start; padding-top: 48px; }
  .cartao-login { padding: 28px 20px; border-radius: 14px; box-shadow: none; }
}