.public-intro{box-sizing:border-box;max-width:860px;margin:0 auto;padding:32px 20px 12px;text-align:center;font-family:"Segoe UI",Tahoma,Arial,sans-serif;color:#dbe7f3;line-height:1.8}
.public-intro h1{font-size:clamp(1.3rem,4vw,1.9rem);line-height:1.5;margin:0 0 10px;color:#eef7ff}
.public-intro p{font-size:1rem;margin:0 0 10px}
.public-intro a{color:#80dcff;text-underline-offset:4px}
body:has(.original-app-shell) .public-intro{display:none}
body:has(.public-intro) .auth-shell{min-height:65vh}