:root {
  --bg:#EDF0EE; --surface:#FFFFFF; --surface2:#F5F7F6; --ink:#16232A; --muted:#5A6A6F; --line:#D7DFDC;
  --accent:#1B6A55; --accent-ink:#FFFFFF; --accent-soft:#DAEDE5;
  --warn:#9C5B0E; --warn-soft:#F6E8D3; --bad:#B03F27; --bad-soft:#F7DED7; --info:#2C5883; --info-soft:#DDE7F2;
  --shadow:0 1px 2px rgba(22,35,42,.06),0 8px 24px rgba(22,35,42,.08);
  --display:"Anuphan","IBM Plex Sans Thai",system-ui,sans-serif;
  --body:"IBM Plex Sans Thai","Anuphan",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:#0E1618; --surface:#162125; --surface2:#1B282D; --ink:#E4EDEA; --muted:#94A6A9; --line:#2A3A3F;
    --accent:#4DB690; --accent-ink:#0B1A15; --accent-soft:#193A30;
    --warn:#E2A65A; --warn-soft:#3A2B17; --bad:#E57B62; --bad-soft:#3F211A; --info:#86B2DD; --info-soft:#1C2F42;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 var(--body); }
h1, h2, h3 { font-family: var(--display); margin: 0; line-height: 1.25; }
h1 { font-size: 24px; } h2 { font-size: 17px; } h3 { font-size: 15px; }
p { margin: 0; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.boot { padding: 40px; text-align: center; color: var(--muted); }

/* โครงหน้า */
.shell { display: grid; grid-template-columns: 216px 1fr; min-height: 100vh; }
.side { background: var(--surface); border-right: 1px solid var(--line); padding: 18px 12px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; }
.brand { font-family: var(--display); font-weight: 700; font-size: 17px; padding: 4px 10px 14px; }
.brand small { display: block; font-family: var(--body); font-weight: 400; font-size: 12px; color: var(--muted); }
.nav { display: block; width: 100%; text-align: left; padding: 9px 10px; border: 0; border-radius: 8px; background: none; color: var(--ink); font: inherit; cursor: pointer; }
.nav:hover { background: var(--surface2); }
.nav[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.side .who { margin-top: auto; padding: 10px; font-size: 13px; color: var(--muted); overflow-wrap: anywhere; }
.main { padding: 24px 28px 60px; min-width: 0; max-width: 1240px; }
.head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 18px; }
.head h1 { margin-right: auto; }
.banner { padding: 10px 14px; border-radius: 10px; margin-bottom: 16px; background: var(--warn-soft); color: var(--warn); }
.banner.bad { background: var(--bad-soft); color: var(--bad); }
.banner.info { background: var(--info-soft); color: var(--info); }

/* การ์ด / ตาราง */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin-bottom: 16px; }
.card > h2 { margin-bottom: 10px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.grow { flex: 1 1 auto; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.tile b { display: block; font: 700 26px/1.1 var(--display); font-variant-numeric: tabular-nums; }
.tile span { color: var(--muted); font-size: 13px; }
.tile em { font-style: normal; color: var(--accent); font-size: 13px; font-weight: 600; }
.tablewrap { overflow-x: auto; margin: 0 -18px; padding: 0 18px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 12.5px; font-weight: 600; color: var(--muted); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.actions { text-align: right; white-space: nowrap; }
.empty { padding: 28px; text-align: center; color: var(--muted); }
.bar { display: inline-block; width: 90px; height: 7px; border-radius: 4px; background: var(--surface2); vertical-align: middle; margin-right: 8px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); }
.chip { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12.5px; font-weight: 500; background: var(--surface2); color: var(--muted); white-space: nowrap; }
.chip.ok { background: var(--accent-soft); color: var(--accent); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.chip.bad { background: var(--bad-soft); color: var(--bad); }
.chip.info { background: var(--info-soft); color: var(--info); }
.code { font: 600 15px/1 ui-monospace, Consolas, monospace; letter-spacing: .04em; }

/* ฟอร์ม */
button, input, select, textarea { font: inherit; color: inherit; }
.btn { padding: 8px 14px; border-radius: 9px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
label.f { display: block; margin-bottom: 12px; }
label.f > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=search], input[type=tel], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); }
textarea { min-height: 110px; resize: vertical; }
.head select, .head input, .row > select, .row > input[type=search] { width: auto; min-width: 200px; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0 14px; }
label.check { display: flex; gap: 8px; align-items: flex-start; margin: 6px 0; cursor: pointer; }
label.check input { margin-top: 5px; }
.hint { font-size: 13px; color: var(--muted); margin-top: -6px; margin-bottom: 12px; }
.steps { counter-reset: s; }
.steps > .card > h2::before { counter-increment: s; content: counter(s); display: inline-grid; place-items: center; width: 26px; height: 26px; margin-right: 8px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-size: 14px; }
progress { width: 100%; height: 10px; accent-color: var(--accent); }

/* หน้าเข้าสู่ระบบ */
.login { max-width: 380px; margin: 9vh auto; padding: 0 16px; }
.login .card { padding: 24px; box-shadow: var(--shadow); }
.login h1 { margin-bottom: 4px; }
.err { color: var(--bad); margin: 8px 0; }

/* หน้าต่างย่อย */
dialog { border: 0; border-radius: 16px; padding: 0; width: min(560px, calc(100vw - 32px)); background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
dialog.wide { width: min(860px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(10, 18, 20, .5); }
.dlg-body { padding: 20px 22px; max-height: 76vh; overflow: auto; }
.dlg-body > h2 { margin-bottom: 14px; font-size: 19px; }
.dlg-foot { display: flex; gap: 10px; justify-content: flex-end; padding: 12px 22px; border-top: 1px solid var(--line); background: var(--surface2); border-radius: 0 0 16px 16px; }
.qr { display: grid; place-items: center; gap: 10px; padding: 8px 0; text-align: center; }
.qr .box { background: #fff; padding: 14px; border-radius: 12px; }
.qr .code { font-size: 26px; }
#toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 10px; box-shadow: var(--shadow); z-index: 99; max-width: calc(100vw - 32px); }
#toast.bad { background: var(--bad); color: #fff; }

@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid var(--line); padding: 10px; }
  .brand { width: 100%; padding-bottom: 4px; }
  .nav { width: auto; }
  .side .who { margin: 0 0 0 auto; padding: 6px; }
  .main { padding: 16px; }
}
@media print {
  body > *:not(dialog) { display: none !important; }
  dialog { position: static; box-shadow: none; width: auto; }
  .dlg-foot { display: none; }
}

/* กล่องวิธีใช้ */
details.help { background: var(--info-soft); color: var(--ink); border-radius: 10px; padding: 0 14px; margin-bottom: 16px; }
details.help > summary { cursor: pointer; padding: 10px 0; font-weight: 600; color: var(--info); }
details.help > div { padding: 0 0 12px; }
.card details.help { margin-bottom: 10px; }
ol { margin: 0; padding-left: 22px; }
ol li { margin: 4px 0; }
.coltable td { vertical-align: top; font-size: 14px; }
.coltable td:first-child { white-space: nowrap; }

/* ผลการโทร */
button.link { border: 0; background: none; padding: 0; cursor: pointer; color: var(--accent); text-decoration: underline; }
table.hover tbody tr { cursor: pointer; }
table.hover tbody tr:hover { background: var(--surface2); }
td.note { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }