:root {
  --navy: #16305c;
  --navy-2: #1f4176;
  --blue: #2563eb;
  --bg: #f2f5fa;
  --card: #ffffff;
  --line: #dbe3ef;
  --text: #1c2b41;
  --muted: #64748b;
  --green: #15803d;
  --amber: #b45309;
  --red: #b91c1c;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Sarabun', 'Noto Sans Thai', system-ui, sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 24px 16px 64px; }
header.top {
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff; padding: 20px 16px;
}
header.top .inner { max-width: 1080px; margin: 0 auto; display: flex; align-items: center; gap: 12px; }
header.top h1 { font-size: 19px; font-weight: 700; }
header.top .sub { font-size: 12.5px; opacity: .85; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; margin-top: 18px; box-shadow: 0 1px 3px rgba(22,48,92,.06);
}
h2 { font-size: 16px; margin-bottom: 12px; color: var(--navy); }
label { display: block; font-size: 13px; font-weight: 600; margin: 10px 0 4px; color: var(--navy-2); }
input[type=text], input[type=password], input[type=date], input[type=email], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: 0; border-color: var(--blue); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 16px; }
.btn {
  display: inline-block; border: 0; border-radius: 8px; padding: 10px 18px;
  font: inherit; font-weight: 700; cursor: pointer; background: var(--blue); color: #fff;
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: #e8eefb; color: var(--navy-2); }
.btn.danger { background: var(--red); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: #f7f9fd; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge.green { background: #dcfce7; color: var(--green); }
.badge.amber { background: #fef3c7; color: var(--amber); }
.badge.red { background: #fee2e2; color: var(--red); }
.badge.gray { background: #e2e8f0; color: var(--muted); }
.badge.blue { background: #dbeafe; color: var(--blue); }
.notice { padding: 10px 14px; border-radius: 8px; font-size: 13.5px; margin: 10px 0; }
.notice.error { background: #fee2e2; color: var(--red); }
.notice.ok { background: #dcfce7; color: var(--green); }
.notice.info { background: #dbeafe; color: var(--navy-2); }
.linkbox {
  display: flex; gap: 8px; align-items: center; background: #f7f9fd;
  border: 1px dashed var(--line); border-radius: 8px; padding: 8px 10px; margin: 6px 0; font-size: 13px;
}
.linkbox code { flex: 1; word-break: break-all; color: var(--navy-2); }
.muted { color: var(--muted); font-size: 13px; }
.right { text-align: right; }
.mt { margin-top: 14px; }
.hidden { display: none; }
@media print {
  body { background: #fff; font-size: 12.5px; }
  header.top, .no-print { display: none !important; }
  .card { border: 1px solid #999; box-shadow: none; margin-top: 10px; page-break-inside: avoid; }
}
@media (max-width: 640px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
}