:root{color-scheme:light dark;font-family:system-ui,sans-serif}body{margin:0;min-height:100vh}.login-screen,.config-error{max-width:24rem;margin:4rem auto;padding:1.5rem}.login-screen form{display:flex;flex-direction:column;gap:.75rem}.login-screen label{display:flex;flex-direction:column;gap:.25rem;font-size:.9rem}.login-error{color:#d33}.login-mode-toggle{margin-top:1rem;background:none;border:none;text-decoration:underline;cursor:pointer}.shell-header{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;border-bottom:1px solid currentColor}.shell-session{flex:1;opacity:.8;font-size:.9rem}.shell-placeholder{padding:2rem 1.5rem;opacity:.8}.loading{padding:2rem;text-align:center}