:root{color:#1a1a1a;background:#f4f5f7;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}body{margin:0}.layout{min-height:100vh;display:flex}.sidebar{color:#e2e8f0;background:#1e293b;width:220px;padding:1.5rem 1rem}.sidebar a{color:#cbd5e1;border-radius:6px;margin-bottom:.25rem;padding:.5rem .75rem;text-decoration:none;display:block}.sidebar a:hover,.sidebar a.active{color:#fff;background:#334155}.main{flex:1;padding:2rem}.card{background:#fff;border-radius:8px;margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 1px 3px #00000014}h1,h2{margin-top:0}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid #e2e8f0;padding:.5rem .75rem}input,select,button{font:inherit;border:1px solid #cbd5e1;border-radius:6px;padding:.5rem .75rem}button{color:#fff;cursor:pointer;background:#2563eb;border:none}button.secondary{background:#64748b}.form-row{flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem;display:flex}.login-page{max-width:360px;margin:4rem auto}.error{color:#b91c1c;font-size:.9rem}