:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif}body{margin:0}.login,.dashboard{max-width:420px;margin:15vh auto 0;padding:0 1.5rem}.login form{display:flex;flex-direction:column;gap:.75rem}.login input{padding:.6rem .75rem;border-radius:.5rem;border:1px solid #ccc;font-size:1rem}.login button,.dashboard button{padding:.6rem 1rem;border-radius:.5rem;border:none;background:#111;color:#fff;font-weight:600;cursor:pointer}