*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#1a1a1a;background:#fff;line-height:1.5}.shell{display:flex;min-height:100vh}.shell nav{width:220px;padding:1rem;border-right:1px solid #ddd;background:#fafafa;display:flex;flex-direction:column;gap:.25rem}.shell nav a{padding:.4rem .6rem;border-radius:4px;color:#1a1a1a;text-decoration:none}.shell nav a:hover{background:#eee}.shell nav form{margin-top:auto}.shell>main{flex:1 1;padding:1.5rem 2rem}table{border-collapse:collapse;width:100%}td,th{border:1px solid #ddd;padding:.4rem .6rem;text-align:left}th{background:#f3f3f3}input,select,textarea{font:inherit;padding:.5rem;border:1px solid #bbb;border-radius:4px}button{font:inherit;padding:.5rem 1rem;border:1px solid #222;background:#222;color:#fff;border-radius:4px;cursor:pointer}.auth{display:flex;min-height:100vh;align-items:center;justify-content:center}.auth form{display:flex;flex-direction:column;gap:.75rem;width:320px}.err{color:#b00;margin:0}