:root {
  --bg: #0d1220;
  --panel: #161d31;
  --line: #2a3452;
  --text: #e8ecf5;
  --muted: #9aa5c0;
  --accent: #ff8a1f;
  --accent-text: #1a1206;
  --ok: #46c98b;
  --bad: #ff6b6b;
  --draft: #ffd166;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans Thai", "Leelawadee UI", "Thonburi", "Sukhumvit Set", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; gap: 12px; min-height: 60px; flex-wrap: wrap; }
header.top .brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }
header.top .brand img { width: 36px; height: 36px; border-radius: 8px; }
header.top nav { margin-left: auto; display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; }
header.top nav a { color: var(--muted); text-decoration: none; }
header.top nav a:hover, header.top nav a[aria-current="page"] { color: var(--text); }
main { padding: 28px 0 48px; }
h1 { font-size: 26px; line-height: 1.3; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 6px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
.hero { text-align: center; padding: 24px 0 8px; }
.hero img { width: 128px; height: 128px; border-radius: 24px; }
.hero h1 { font-size: 30px; margin-top: 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 24px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; text-decoration: none; color: var(--text); display: block; }
.card strong { display: block; margin-bottom: 4px; }
.card span { color: var(--muted); font-size: 14px; }
.draft { border: 1px dashed var(--draft); color: var(--draft); border-radius: 10px; padding: 10px 14px; margin: 0 0 20px; font-size: 14px; }
.fill { background: rgba(255, 209, 102, 0.15); color: var(--draft); border-radius: 4px; padding: 0 4px; }
.box { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 6px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
form label { display: block; margin: 14px 0 6px; font-weight: 600; }
form input[type="text"], form input[type="password"] {
  width: 100%; padding: 12px; font-size: 16px; border-radius: 8px; border: 1px solid var(--line); background: #0a0f1b; color: var(--text);
}
form .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin-top: 16px; }
form .check input { margin-top: 6px; width: 20px; height: 20px; flex: none; }
button {
  margin-top: 18px; width: 100%; min-height: 48px; font-size: 17px; font-weight: 700; border: 0; border-radius: 10px;
  background: var(--bad); color: #1b0606; cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: default; }
.result { margin-top: 16px; padding: 12px 14px; border-radius: 10px; display: none; }
.result.ok { display: block; background: rgba(70, 201, 139, 0.12); border: 1px solid var(--ok); }
.result.bad { display: block; background: rgba(255, 107, 107, 0.12); border: 1px solid var(--bad); }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 18px 0 28px; }
footer .wrap { display: flex; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--muted); }
button.lang { margin: 0; width: auto; min-height: 44px; padding: 0 14px; font-size: 15px; font-weight: 600; background: transparent; color: var(--text); border: 1px solid var(--line); }