body{font-family:system-ui,Segoe UI,Roboto,Arial;font-size:16px}
.container{max-width:1000px;margin:20px auto;padding:0 15px}
.navbar{background:#f7f7f7;padding:10px 15px;border-bottom:1px solid #e2e2e2}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border:1px solid #ddd;padding:8px}
input,select{padding:8px;border:1px solid #ccc;border-radius:4px;width:100%;box-sizing:border-box}
.btn{display:inline-block;padding:8px 12px;border:1px solid #999;text-decoration:none}
.btn-primary{border-color:#1c7ed6}
.row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.alert{padding:10px;background:#fff3cd;border:1px solid #ffe08a}