*{box-sizing:border-box}body{margin:0;font:14px/1.4 system-ui,Segoe UI,Roboto,Arial}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:#222;color:#fff}
.topbar a{color:#fff;text-decoration:none}
.menu{list-style:none;display:flex;gap:12px;margin:0;padding:0}
.container{padding:12px;max-width:1100px;margin:0 auto}
.card{background:#fff;border:1px solid #ddd;border-radius:8px;padding:12px;margin-bottom:12px}
.row{display:flex;align-items:center}.between{justify-content:space-between}.end{justify-content:flex-end}.gap{gap:8px}
.grid{display:grid;gap:10px}.grid.two{grid-template-columns:1fr 1fr}
.alert{background:#ffe6e6;border:1px solid #ffb3b3;padding:8px;margin:6px 0}
.btn{background:#444;color:#fff;border:none;border-radius:6px;padding:8px 12px;cursor:pointer;text-decoration:none;display:inline-block}
.btn.primary{background:#2d6cdf}.btn.danger{background:#c8483c}.btn.small{font-size:12px;padding:4px 8px}
table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid #eee;padding:8px;text-align:left}
input,select{width:100%;padding:8px;border:1px solid #ccc;border-radius:6px}