body { font-family: Arial, sans-serif; margin: 0; background: #f4f6f9; color: #222; }
.container { max-width: 1100px; margin: 0 auto; padding: 1rem; }
.site-header { background: #11345a; color: #fff; }
.site-header a { color: #fff; margin-right: 1rem; text-decoration: none; }
.row-between { display:flex; justify-content:space-between; align-items:center; gap: 0.5rem; }
.card { background: #fff; padding: 1rem; border-radius: 8px; margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.narrow { max-width: 520px; margin: 1rem auto; }
label { display:block; margin-bottom: .6rem; }
input, textarea, select { width:100%; box-sizing:border-box; padding:.55rem; margin-top:.2rem; }
table { width:100%; border-collapse: collapse; font-size: .92rem; }
th, td { border-bottom: 1px solid #ddd; padding: .5rem; vertical-align: top; text-align:left; }
.btn { background:#11345a; color:white; border:none; padding:.5rem .75rem; text-decoration:none; display:inline-block; border-radius:4px; cursor:pointer; }
.flash { padding:.65rem; border-radius:4px; margin:.5rem 0; }
.flash-error { background:#ffd7d7; }
.flash-success { background:#d8f7da; }
.qr-thumb { width: 80px; height: 80px; object-fit: contain; border:1px solid #ddd; }
.inline-form { display:inline; }
.btn-link { border:none; background:none; color:#0b4c8a; cursor:pointer; }
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:.8rem; }
.grid-4 { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:.8rem; }
@media (max-width: 760px) { .grid-2, .grid-4 { grid-template-columns:1fr; } table { display:block; overflow-x:auto; } }

.muted { color: #667; margin-top: 0; }