/* Páginas de entrada (login, convite, 404) da IG Assina Email. */
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: linear-gradient(160deg, #1f3b63 0%, #2d5c9c 100%); color: #18212d; font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.caixa { background: #fff; width: 100%; max-width: 400px; border-radius: 20px; padding: 28px 24px; box-shadow: 0 24px 70px rgba(0,0,0,.25); }
.marca { display: flex; align-items: center; gap: 9px; text-decoration: none; color: #1f3b63; font: 600 17px Montserrat, sans-serif; margin-bottom: 18px; }
.marca img { width: 32px; height: 32px; }
.marca b { font-weight: 800; }
h1 { font: 700 24px Montserrat, sans-serif; margin: 0 0 4px; letter-spacing: -.3px; }
.mudo { color: #5d6878; font-size: 14px; margin: 0 0 16px; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 12px; }
input { display: block; width: 100%; margin-top: 4px; padding: 11px 12px; border-radius: 11px; border: 1px solid #d6dce4; font: 15px inherit; outline: none; }
input:focus { border-color: #2d5c9c; box-shadow: 0 0 0 3px rgba(45,92,156,.15); }
.btn { display: block; width: 100%; padding: 12px; border-radius: 12px; border: 0; background: #1f3b63; color: #fff; font: 600 15px inherit; cursor: pointer; text-align: center; text-decoration: none; }
.btn:disabled { opacity: .6; }
.erro { color: #c01c28; font-size: 13.5px; font-weight: 600; min-height: 1.2em; margin: 0 0 10px; }
.pe { margin: 16px 0 0; font-size: 13px; text-align: center; }