/* ============================================================
   manual.css — ใช้เฉพาะหน้า /organization/manual/ เท่านั้น
   โหลดคู่กับ assets/landing.css (ต้องโหลด landing.css ก่อน — เอา token/nav/footer/ปุ่มมาใช้)
   คลาสทุกตัวขึ้นต้น man- ตามแบบแผน ld-/mc- เพื่อไม่ให้ชนของเดิม
   ไม่มี JavaScript — สารบัญ + กลับขึ้นบน ทำด้วย anchor + CSS ล้วน
   ============================================================ */

html { scroll-behavior: smooth; }

.man-page { padding-bottom: 20px; }

/* หัวหน้าคู่มือ */
.man-head {
  position: relative;
  overflow: hidden;
  background: var(--ld-band);
  border-bottom: 1px solid #eae1d4;
}
.man-head-in {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 20px 34px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.man-head h1 {
  font-family: var(--ld-font-head);
  font-weight: 600;
  font-size: clamp(26px, 5vw, 38px);
  color: var(--ld-ink);
  margin: 0;
}
.man-head p { font-size: 15.5px; color: var(--ld-ink-2); max-width: 640px; }
.man-updated { font-size: 12.5px; color: var(--ld-ink-3); }

/* โครง: สารบัญ + เนื้อหา */
.man-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

/* สารบัญบนมือถือ = <details> ยุบได้ ไม่ใช้ JS */
.man-toc {
  background: var(--ld-surface);
  border: 1px solid var(--ld-line);
  border-radius: 16px;
  overflow: hidden;
}
/* มือถือ: โชว์ตัวยุบได้ ซ่อนตัวเดสก์ท็อป (สลับกันบนจอใหญ่) */
.man-toc-desk { display: none; }
.man-toc-title {
  margin: 0;
  padding: 14px 18px 4px;
  font-family: var(--ld-font-head);
  font-weight: 600;
  font-size: 15px;
  color: var(--ld-ink);
  display: flex;
  align-items: center;
  gap: 10px;
}
.man-toc > summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 18px;
  font-family: var(--ld-font-head);
  font-weight: 600;
  font-size: 15px;
  color: var(--ld-ink);
  display: flex;
  align-items: center;
  gap: 10px;
}
.man-toc > summary::-webkit-details-marker { display: none; }
.man-toc > summary .man-chev {
  margin-inline-start: auto;
  transition: transform .2s ease;
  color: var(--ld-ink-3);
}
.man-toc[open] > summary .man-chev { transform: rotate(180deg); }
.man-toc ol {
  margin: 0;
  padding: 4px 10px 12px;
  list-style: none;
  counter-reset: toc;
}
.man-toc li { margin: 0; }
.man-toc a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--ld-ink-2);
  min-height: 40px;
}
.man-toc a:hover { background: var(--ld-brand-soft); color: var(--ld-brand); }
.man-toc a::before {
  counter-increment: toc;
  content: counter(toc);
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: var(--ld-brand-soft);
  color: var(--ld-brand);
  font-family: var(--ld-font-head);
  font-weight: 700;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* เนื้อหา */
.man-body { min-width: 0; display: flex; flex-direction: column; gap: 14px; }

.man-section {
  background: var(--ld-surface);
  border: 1px solid var(--ld-line);
  border-radius: var(--ld-r-card, 20px);
  padding: 24px 20px;
  scroll-margin-top: 16px;   /* กัน anchor ชนขอบบน */
}
.man-section > h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ld-font-head);
  font-weight: 600;
  font-size: clamp(20px, 3.4vw, 25px);
  color: var(--ld-ink);
  margin: 0 0 6px;
}
.man-secnum {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--ld-brand);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.man-section > .man-lead { font-size: 15px; color: var(--ld-ink-2); margin: 0 0 4px; }

/* ขั้นย่อย */
.man-step {
  padding: 18px 0;
  border-top: 1px solid var(--ld-line-3);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.man-step:first-of-type { border-top: 0; }
.man-step-h {
  display: flex;
  align-items: flex-start;
  gap: 11px;
}
.man-step-n {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--ld-brand-soft);
  color: var(--ld-brand);
  font-family: var(--ld-font-head);
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.man-step-t {
  font-family: var(--ld-font-head);
  font-weight: 600;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--ld-ink);
  padding-top: 2px;
}
.man-step p { font-size: 14.5px; color: var(--ld-ink-2); line-height: 1.65; }
.man-step ul { margin: 2px 0; padding-inline-start: 20px; }
.man-step li { font-size: 14.5px; color: var(--ld-ink-2); line-height: 1.6; margin-bottom: 3px; }
.man-kbd {
  font-family: var(--ld-font-head);
  font-weight: 600;
  font-size: .92em;
  background: var(--ld-band);
  border: 1px solid var(--ld-line);
  border-radius: 6px;
  padding: 1px 7px;
  color: var(--ld-ink);
  white-space: nowrap;
}

/* กรอบภาพหน้าจอ */
.man-shot {
  margin: 4px 0 0;
  border: 1px solid var(--ld-line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--ld-surface-warm);
  box-shadow: var(--ld-shadow);
}
.man-shot img { display: block; width: 100%; height: auto; }
.man-shot figcaption {
  font-size: 12.5px;
  color: var(--ld-ink-3);
  padding: 9px 14px;
  border-top: 1px solid var(--ld-line-3);
  background: var(--ld-surface);
}
.man-shot.is-narrow { max-width: 460px; }

/* กล่องข้อควรรู้ */
.man-note {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.6;
  margin-top: 4px;
}
.man-note svg { flex: 0 0 auto; margin-top: 1px; }
.man-note.is-tip { background: var(--ld-sage-soft); color: #234d45; }
.man-note.is-tip svg { color: var(--ld-sage); }
.man-note.is-warn { background: var(--ld-peach-soft); color: var(--ld-peach-ink); }
.man-note.is-warn svg { color: var(--ld-peach-ink); }
.man-note b { font-weight: 600; }

/* กลับขึ้นบน */
.man-backtop {
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--ld-line-2);
  background: var(--ld-surface);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ld-ink-2);
  min-height: 44px;
}
.man-backtop:hover { border-color: var(--ld-brand); color: var(--ld-brand); }

/* ปุ่มลิงก์ท้ายหน้า */
.man-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 4px;
}

/* ============================================================
   แท็บเล็ตขึ้นไป
   ============================================================ */
@media (min-width: 760px) {
  .man-head-in { padding: 52px 32px 40px; }
  .man-wrap { padding: 28px 32px 48px; }
  .man-section { padding: 30px 30px; }
  .man-step { padding: 22px 0; }
  .man-shot { max-width: 720px; }
  .man-step p, .man-step li { font-size: 15px; }
}

/* ============================================================
   เดสก์ท็อป — สารบัญเป็น sidebar sticky
   ============================================================ */
@media (min-width: 1040px) {
  .man-wrap {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
  /* เดสก์ท็อป: โชว์ <nav> ที่มองเห็นเสมอ ซ่อนตัวยุบของมือถือ */
  .man-toc-desk {
    display: block;
    position: sticky;
    top: 20px;
  }
  .man-toc-mob { display: none; }
}

/* ============================================================
   พิมพ์ — แทน PDF ที่เลิกใช้ ให้ผู้ใช้ Save as PDF เองได้
   ============================================================ */
@media print {
  .ld-nav, .man-toc, .man-backtop, .man-cta, .ld-foot .ld-hotline { display: none !important; }
  html { scroll-behavior: auto; }
  body { background: #fff; }
  .man-head, .man-section { background: #fff; border: 0; }
  .man-section { break-inside: avoid; padding: 8px 0; }
  .man-shot { break-inside: avoid; box-shadow: none; }
  .man-wrap { display: block; max-width: none; padding: 0 12px; }
  a { color: #000; text-decoration: none; }
}

/* เคารพ prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .man-toc > summary .man-chev { transition: none; }
}