:root {
  --ink: #1c2433; --muted: #5d6779; --line: #dfe4ec; --bg: #f4f6fa; --card: #fff;
  --brand: #1f4e9c; --brand-soft: #e8eff9;
  --ok: #157347; --ok-soft: #e6f4ec; --bad: #b42318; --bad-soft: #fdecea; --warn: #9a6200; --warn-soft: #fff4dc;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 16px/1.6 'Sarabun', 'Leelawadee UI', 'Noto Sans Thai', Tahoma, Arial, sans-serif; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.top { background: var(--brand); color: #fff; padding: 20px 0 16px; margin-bottom: 16px; }
.top h1 { margin: 4px 0 2px; font-size: 22px; line-height: 1.3; }
.brand { font-size: 13px; letter-spacing: .08em; opacity: .85; }
.meta { margin: 0; opacity: .9; font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
h2 { font-size: 19px; margin: 0; }
h3 { font-size: 17px; margin: 0 0 10px; }
h4 { font-size: 15px; margin: 14px 0 8px; }
.small { font-size: 13px; }
.muted { color: var(--muted); }
.row-between { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.idline { margin: 10px 0 0; padding: 8px 12px; background: var(--brand-soft); border-radius: 8px; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; white-space: nowrap; background: #eef1f5; color: var(--muted); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.notice { border-radius: 8px; padding: 10px 12px; border: 1px solid transparent; margin: 8px 0; }
.notice.ok { background: var(--ok-soft); border-color: #bfe3cd; }
.notice.bad { background: var(--bad-soft); border-color: #f5c2bd; }
.notice.warn { background: var(--warn-soft); border-color: #f1d9a6; }
.notice p { margin: 4px 0; }
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th, .table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { color: var(--muted); font-weight: 600; font-size: 13px; }
.choice { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; }
.actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; margin-top: 12px; }
.btn { font: inherit; font-weight: 600; padding: 10px 18px; border-radius: 10px; border: 1px solid #c8d0dc; background: #fff; color: var(--ink); cursor: pointer; }
.btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn.danger { background: var(--bad); color: #fff; border-color: var(--bad); }
.btn.small { padding: 6px 12px; font-size: 14px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.choice .btn { flex: 1 1 160px; padding: 14px; font-size: 17px; }
label { display: block; font-size: 14px; color: var(--muted); }
input, textarea { display: block; width: 100%; font: inherit; color: var(--ink); padding: 8px 10px; margin-top: 4px; border: 1px solid #c8d0dc; border-radius: 8px; background: #fff; }
input:invalid { border-color: #e2a39c; }
textarea { resize: vertical; }
.person { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px 12px; margin: 0 0 10px; }
.person legend { font-weight: 600; padding: 0 6px; color: var(--ink); }
.grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px 12px; }
.grid .s1 { grid-column: span 1; }
.grid .s3 { grid-column: span 3; }
.grid .s5 { grid-column: span 5; }
.grid .s6 { grid-column: span 6; }
.person .remove { margin-top: 8px; }
.people { margin: 0; padding-left: 22px; }
.people li { margin: 4px 0; }
.people .sub { display: block; color: var(--muted); font-size: 13px; }
footer { padding: 8px 0 32px; }
.spin { display: inline-block; width: 16px; height: 16px; border: 2px solid #c9d4e6; border-top-color: var(--brand); border-radius: 50%; animation: s .8s linear infinite; vertical-align: -3px; margin-right: 8px; }
@keyframes s { to { transform: rotate(360deg); } }
[hidden] { display: none !important; }
@media (max-width: 520px) {
  .grid .s1, .grid .s3, .grid .s5 { grid-column: span 6; }
  .table thead { display: none; }
  .table tr { display: block; border-bottom: 1px solid var(--line); padding: 6px 0; }
  .table td { display: block; border: 0; padding: 2px 4px; }
  .table td::before { content: attr(data-label) ": "; color: var(--muted); font-size: 13px; }
  .table td.empty { display: none; }
}