:root{--m3-bg:#0f172a;--m3-fg:#e2e8f0;--m3-accent:#38bdf8;--m3-muted:#94a3b8;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--m3-bg);color:var(--m3-fg);margin:0}.m3-screen{max-width:40rem;min-height:100vh;margin:0 auto;padding:1.5rem}.m3-screen__title{margin:0 0 1rem;font-size:1.5rem}.m3-screen__body{flex-direction:column;gap:1rem;display:flex}label{color:var(--m3-muted);flex-direction:column;gap:.25rem;display:flex}input{border:1px solid var(--m3-muted);color:var(--m3-fg);background:0 0;border-radius:.375rem;padding:.5rem}.m3-button{appearance:none;border:1px solid var(--m3-accent);color:var(--m3-fg);cursor:pointer;background:0 0;border-radius:.5rem;padding:.75rem 1rem;font-size:1rem}.m3-button--large{width:100%;padding:1.25rem 1rem;font-size:1.25rem}.m3-button:disabled{opacity:.5;cursor:not-allowed}