/* Keep authentication forms at mobile width on every screen. */
html,body{min-height:100%;background:#e5ebf5}
.shell-page{width:100%;max-width:480px;margin-inline:auto;min-height:100vh;min-height:100dvh;background:#fff;box-shadow:0 0 40px #1746a214}
.shell-banner{width:100%}
.shell-card{min-width:0;min-height:calc(100vh - 200px);min-height:calc(100dvh - 200px)}
.shell-btn{box-shadow:0 12px 24px -8px #0243a566,inset 0 1px 0 #ffffff66}
#shellPopup{width:max-content;max-width:min(88vw,420px)}
@media(min-width:481px){.shell-page{border-inline:1px solid #d7dfea}}