/* หน้าเข้าสู่ระบบ สมัคร บัญชี ผู้ดูแล — โทนเดียวกับตัวระบบ (โทนสว่าง) */
:root {
  --paper: #FFF6F7; --tint: #FDE9ED; --card: #FFFFFF; --ink: #2E2226; --ink-2: #5A464D; --muted: #8A727B; --line: #F2DCE2;
  --accent: #E8336B; --accent-ink: #FFFFFF; --ok: #2E8B68; --ok-bg: #E2F5EC; --warn: #9A5B0E; --warn-bg: #FFF1D6; --bad: #C23355; --bad-bg: #FDE3E8;
  --f-head: 'Mitr', 'IBM Plex Sans Thai', Tahoma, sans-serif; --f-body: 'IBM Plex Sans Thai', 'Sarabun', Tahoma, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
body { margin: 0; background: linear-gradient(180deg, var(--tint), var(--paper) 320px); color: var(--ink); font-family: var(--f-body); font-size: 16px; line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--accent); }
h1, h2 { font-family: var(--f-head); font-weight: 500; line-height: 1.3; margin: 0; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; border-radius: 8px; }

.au-top { padding: max(14px, env(safe-area-inset-top)) 16px 6px; display: flex; justify-content: center; }
.au-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.au-brand b { display: block; font-family: var(--f-head); font-weight: 600; font-size: 19px; line-height: 1.1; }
.au-brand small { color: var(--muted); font-size: 12.5px; }
.au-main { width: 100%; margin: 0 auto; padding: 14px 16px 30px; flex: 1; }
.au-main.narrow { max-width: 460px; }
.au-main.wide { max-width: 820px; }
.au-main.full { max-width: 1120px; }
.au-foot { text-align: center; font-size: 13px; color: var(--muted); padding: 16px 16px max(18px, env(safe-area-inset-bottom)); }
.au-foot a { color: var(--muted); }

.au-card { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 24px; margin-bottom: 16px; box-shadow: 0 14px 30px -26px rgba(46, 34, 38, .5); }
.au-card h1 { font-size: 26px; }
.au-card h2 { font-size: 19px; margin-bottom: 10px; }
.au-card h2 + .au-sub { margin-top: -6px; }
.au-card.danger { border-color: #F3C3CF; }
.au-h1 { font-size: clamp(26px, 4vw, 32px); margin: 4px 0 14px; }
.au-h2 { font-size: 20px; margin: 22px 0 10px; }
.au-sub { color: var(--muted); font-size: 14.5px; margin: 4px 0 16px; }
.au-back { margin: 0 0 4px; font-size: 14.5px; }
.au-back a { text-decoration: none; }

.au-f { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; min-width: 0; }
.au-f > span { font-size: 14px; color: var(--ink-2); }
.au-f small { color: var(--muted); }
.au-in { width: 100%; font: inherit; font-size: 16px; color: var(--ink); background: #fff; border: 1.5px solid var(--line); border-radius: 14px; padding: 11px 14px; min-height: 46px; }
.au-in:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(232, 51, 107, .15); }
textarea.au-in { resize: vertical; }
.au-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
.au-ck { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; margin: 4px 0 18px; color: var(--ink-2); cursor: pointer; }
.au-ck input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--accent); }
.au-hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.au-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; width: 100%; font-family: var(--f-head); font-weight: 500; font-size: 17px; border: 0; border-radius: 999px; padding: 12px 22px; min-height: 48px;
  background: var(--accent); color: var(--accent-ink); cursor: pointer; text-decoration: none; box-shadow: 0 10px 22px -14px var(--accent); }
.au-btn:hover { filter: brightness(1.04); }
.au-btn.sm { width: auto; font-size: 15px; min-height: 40px; padding: 8px 18px; }
.au-btn.ghost { background: #fff; color: var(--ink); border: 1.5px solid var(--line); box-shadow: none; }
.au-btn.bad { background: var(--bad); box-shadow: none; }
.au-links { text-align: center; font-size: 14.5px; margin: 16px 0 0; color: var(--muted); }

.au-msg { border-radius: 14px; padding: 11px 14px; margin: 0 0 16px; font-size: 14.5px; background: var(--ok-bg); color: #1F5E46; }
.au-msg.bad { background: var(--bad-bg); color: #8E1F3B; }
.au-msg.warn { background: var(--warn-bg); color: var(--warn); }
.au-note { background: var(--paper); border-radius: 14px; padding: 12px 14px; font-size: 14.5px; color: var(--ink-2); margin-top: 6px; }
.au-code { font-family: ui-monospace, Menlo, monospace; font-size: 17px; background: #fff; padding: 1px 8px; border-radius: 8px; user-select: all; }

.au-dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px 18px; margin: 0 0 8px; }
.au-dl dt { font-size: 12.5px; color: var(--muted); }
.au-dl dd { margin: 0; font-weight: 500; }
.au-t { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.au-t td { padding: 10px 6px; border-top: 1px solid var(--line); vertical-align: middle; }
.au-t td small { color: var(--muted); }
.au-t .r { text-align: right; white-space: nowrap; }
.au-t.small { font-size: 13px; }
.au-tag { display: inline-block; font-size: 12px; border-radius: 999px; padding: 1px 9px; background: var(--warn-bg); color: var(--warn); font-family: var(--f-body); font-weight: 500; vertical-align: 2px; }
.au-tag.ok { background: var(--ok-bg); color: var(--ok); }
.au-tag.bad { background: var(--bad-bg); color: var(--bad); }
.au-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ผู้ดูแล */
.ad-stats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin-bottom: 8px; }
.ad-stat { background: #fff; border: 1.5px solid var(--line); border-radius: 16px; padding: 10px 14px; text-decoration: none; color: var(--ink); }
.ad-stat.on { border-color: var(--accent); }
.ad-stat small { display: block; color: var(--muted); font-size: 12.5px; }
.ad-stat b { font-family: var(--f-head); font-size: 26px; font-weight: 500; }
.ad-search { display: flex; gap: 8px; margin: 10px 0 14px; }
.ad-list { display: flex; flex-direction: column; gap: 8px; }
.ad-u { background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.ad-u summary { list-style: none; cursor: pointer; display: flex; gap: 12px; align-items: center; padding: 12px 16px; }
.ad-u summary::-webkit-details-marker { display: none; }
.ad-who { flex: 1; min-width: 0; }
.ad-who small { display: block; color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ad-until { text-align: right; font-size: 14px; white-space: nowrap; }
.ad-until small { display: block; color: var(--muted); font-size: 12px; }
.ad-body { padding: 4px 16px 16px; border-top: 1px solid var(--line); }
.ad-acts { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
.ad-acts form { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.ad-acts .au-in { width: auto; min-height: 40px; padding: 6px 10px; font-size: 14.5px; }
.ad-note .au-in { font-size: 14.5px; }
.ad-del { display: flex; gap: 8px; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.ad-del .au-in { min-height: 40px; font-size: 14.5px; }

@media (max-width: 640px) {
  .au-grid { grid-template-columns: minmax(0, 1fr); }
  .au-card { padding: 20px 18px; }
  .ad-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ad-u summary { flex-wrap: wrap; }
  .ad-until { text-align: left; }
  .ad-del, .ad-search { flex-direction: column; }
}

/* เข้าสู่ระบบด้วย Facebook */
.au-btn.fb { background: #1877F2; color: #fff; box-shadow: 0 10px 22px -14px #1877F2; gap: 10px; margin-bottom: 4px; }
.au-btn.fb.sm, .au-card .au-btn.fb { width: 100%; }
.au-or { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13.5px; margin: 14px 0; }
.au-or::before, .au-or::after { content: ""; flex: 1; height: 1px; background: var(--line); }