/* คู่มือการใช้งาน ขุนตาลออนไลน์ — เปิดจาก rich menu ใน LINE (เบราว์เซอร์ในตัวของ LINE) จึงออกแบบสำหรับจอมือถือเป็นหลัก */
:root {
  color-scheme: light;
  --paddy-900: #1c3018;
  --paddy-700: #2f5233;
  --paddy-50: #eef4ea;
  --turmeric: #b4790f;
  --turmeric-50: #fbeecb;
  --clay: #9c3b1d;
  --clay-50: #f8e3da;
  --paper: #faf6ea;
  --card: #ffffff;
  --ink: #26210f;
  --ink-soft: #6b6148;
  --line: #e4dbc4;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Sarabun", "Leelawadee UI", "Noto Sans Thai", -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--paddy-700); }

.top {
  background: var(--paddy-900);
  color: #fff;
  padding: 22px 16px 20px;
}
.top .back { color: #cfe0c8; font-size: 14px; text-decoration: none; }
.top h1 { margin: 6px 0 4px; font-size: 24px; line-height: 1.3; }
.top p { margin: 0; color: #d9e4d3; font-size: 15px; }

.wrap { max-width: 640px; margin: 0 auto; padding: 0 16px 48px; }

.toc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  margin: 16px 0 8px;
}
.toc strong { display: block; font-size: 14px; color: var(--ink-soft); margin-bottom: 4px; }
.toc ol { margin: 0; padding-left: 22px; }
.toc li { margin: 2px 0; }
.toc a { text-decoration: none; }

.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 16px;
  margin-top: 16px;
  scroll-margin-top: 12px;
}
.step h2 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.35;
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.step h2 .n {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 99px;
  background: var(--paddy-700);
  color: #fff;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-2px);
}
.step h3 { margin: 16px 0 6px; font-size: 16.5px; }
.step p { margin: 8px 0; }
.step ol, .step ul { margin: 8px 0; padding-left: 22px; }
.step li { margin: 5px 0; }
.btnlabel {
  display: inline-block;
  background: var(--paddy-50);
  border: 1px solid #cfe0c8;
  color: var(--paddy-900);
  border-radius: 8px;
  padding: 0 7px;
  font-weight: 700;
  white-space: nowrap;
}

.shot { margin: 14px auto 6px; text-align: center; }
.shot img {
  width: 100%;
  max-width: 300px;
  border-radius: 22px;
  border: 6px solid #1f1f1f;
  box-shadow: 0 6px 20px rgba(38, 33, 15, 0.18);
  background: #fff;
}
.shot figcaption { font-size: 13px; color: var(--ink-soft); margin-top: 6px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pair .shot img { border-width: 4px; border-radius: 16px; }
@media (max-width: 360px) { .pair { grid-template-columns: 1fr; } }

.tip, .warn, .note {
  border-radius: 12px;
  padding: 10px 12px;
  margin: 12px 0;
  font-size: 15px;
}
.tip { background: var(--paddy-50); }
.note { background: var(--turmeric-50); }
.warn { background: var(--clay-50); color: #5a2410; }
.tip strong, .note strong, .warn strong { color: inherit; }

table.status { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 10px 0; }
table.status th, table.status td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.status th { background: var(--paddy-50); font-size: 13.5px; }

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 14px;
  margin-top: 8px;
}
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin: 8px 0 2px; }

.help-line {
  margin-top: 22px;
  background: var(--paddy-900);
  color: #fff;
  border-radius: 16px;
  padding: 16px;
  text-align: center;
}
.help-line p { margin: 0 0 10px; }
.help-line a.btn {
  display: inline-block;
  background: #06c755;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border-radius: 12px;
  padding: 10px 18px;
}
.foot { text-align: center; font-size: 13px; color: var(--ink-soft); margin-top: 18px; }

/* หน้าเลือกคู่มือ */
.roles { display: grid; gap: 12px; margin-top: 18px; }
.role {
  display: flex;
  gap: 14px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  text-decoration: none;
  color: var(--ink);
}
.role .ico { font-size: 34px; flex: none; }
.role strong { display: block; font-size: 18px; }
.role span { color: var(--ink-soft); font-size: 14.5px; }