:root{font-family:Arial,sans-serif;color:#1d2939;background:#f8fafc}body{margin:0}button,a{font:inherit}button{cursor:pointer}.shell-header{display:flex;gap:1rem;align-items:center;padding:1rem 2rem;background:#fff;border-bottom:1px solid #d0d5dd}.shell-header__brand{font-weight:700;margin-right:1rem}.shell-header__actions{display:flex;align-items:center;gap:.75rem;margin-left:auto}.page-intro,.remote-host{max-width:1200px;margin:0 auto}.page-intro{max-width:680px;padding:2rem;background:#fff;border-radius:.5rem}.remote-host__error{padding:1rem;color:#7a271a;background:#fef3f2;border:1px solid #fecdca;border-radius:.5rem}.route-status{max-width:1200px;margin:1rem auto;padding:1rem 2rem}.route-status--error{color:#7a271a;background:#fef3f2;border:1px solid #fecdca;border-radius:.5rem}