:root {
  /* ชุดสีหลักขององค์กร — แดงชาดเข้ม (Primary) / น้ำตาลไหม้ (Primary-dark) / ทองพรีเมียม (Accent) */
  --gold: #d4af37;
  --gold-dark: #b8902e;
  --maroon: #8b0000;
  --maroon-dark: #5c2c16;
  --bg: #fdfbf7;
  --panel: #ffffff;
  --text: #2c2c2c;
  --muted: #756b5f;
  --border: #ece3d2;
  --success: #2e7d32;
  --danger: #b3261e;
  --warn: #b8860b;
  --radius: 10px;
  --radius-lg: 12px;
  --shadow-soft: 0 10px 30px rgba(44, 28, 12, 0.08);
  --shadow-hover: 0 18px 40px rgba(139, 0, 0, 0.16);
  --font-heading: 'Kanit', 'Sarabun', 'Noto Sans Thai', sans-serif;
  --font-body: 'Sarabun', 'Noto Sans Thai', 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
}

a { color: var(--maroon); }

/* --- Layout --- */
.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, var(--maroon), #5c1717);
  color: #f6ead0;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar .brand {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
  padding: 0 6px;
  color: #fff;
}

.sidebar .brand small {
  display: block;
  font-weight: 400;
  font-size: 12px;
  color: #e4c98a;
}

.sidebar nav a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: #f0e2be;
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 2px;
}

.sidebar nav a:hover { background: rgba(255,255,255,.08); }
.sidebar nav a.active { background: var(--gold); color: #241a00; font-weight: 600; }

.sidebar .user-box {
  margin-top: auto;
  padding: 12px 6px 0;
  border-top: 1px solid rgba(255,255,255,.15);
  font-size: 13px;
}

.sidebar .user-box button {
  margin-top: 8px;
  width: 100%;
}

.main {
  padding: 24px 32px;
  max-width: 1200px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.topbar h1 { font-family: var(--font-heading); font-size: 20px; margin: 0; }

/* --- Cards / panels --- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 18px;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.stat-card .num { font-size: 26px; font-weight: 700; color: var(--maroon); }
.stat-card .label { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* --- Forms --- */
label { display: block; font-size: 13px; margin-bottom: 4px; color: var(--muted); }

input, select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}

textarea { resize: vertical; }

.field { margin-bottom: 12px; }

.password-field-wrap { position: relative; }
.password-field-wrap input { padding-right: 56px; }
.password-field-wrap button.password-toggle-btn {
  position: absolute; top: 50%; right: 4px; left: auto; transform: translateY(-50%);
  width: auto; margin-top: 0; background: none; border: none; padding: 4px 8px; font-size: 12px;
  color: var(--maroon); font-weight: 600; cursor: pointer;
}
.password-field-wrap button.password-toggle-btn:hover { background: #f6f1e4; border-radius: 6px; }

/* ปุ่มกด — สไตล์โมเดิร์น มีเอฟเฟกต์แสงวิ่งผ่านและยกตัวเบาๆ เมื่อเอาเมาส์ไปชี้ */
button, .btn {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--gold);
  color: #241a00;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

button::before, .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -75%;
  width: 45%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-20deg);
  pointer-events: none;
}

button:hover::before, .btn:hover::before { animation: btn-shine 0.7s ease forwards; }
@keyframes btn-shine {
  from { left: -75%; }
  to { left: 130%; }
}

button:hover { background: var(--gold-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(139, 0, 0, 0.18); }
button.secondary { background: #efe9d8; color: var(--text); }
button.danger { background: var(--danger); color: #fff; }
button.danger:hover { background: #8f1e18; }
button:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.toolbar input, .toolbar select { width: auto; min-width: 160px; }

/* --- Table --- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
tbody tr:hover { background: #faf7ef; }
td.actions { display: flex; gap: 6px; }
td.actions button { padding: 5px 10px; font-size: 12px; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.pass, .badge.active, .badge.completed { background: #e3f3e3; color: var(--success); }
.badge.fail, .badge.dropped { background: #fbe4e2; color: var(--danger); }
.badge.pending, .badge.studying { background: #fdf0d6; color: var(--warn); }
.badge.absent, .badge.withdrawn, .badge.transferred, .badge.graduated { background: #e9e5f5; color: #5b3fa0; }

/* --- Modal --- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(30,20,10,.45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; overflow-y: auto; z-index: 50;
}
.modal {
  background: #fff; border-radius: 12px; padding: 22px 24px;
  width: 100%; max-width: 560px;
}
.modal h2 { margin-top: 0; font-size: 17px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

.error-text { color: var(--danger); font-size: 13px; margin-top: 6px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.empty-state { color: var(--muted); font-size: 14px; padding: 24px; text-align: center; }

/* --- Login page --- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--maroon), #3d0f0f);
}
.login-card {
  background: #fff; border-radius: 14px; padding: 34px 32px; width: 100%; max-width: 380px;
  box-shadow: 0 10px 40px rgba(0,0,0,.3);
}
.login-card { border-top: 4px solid var(--gold); }
.login-card h1 { font-family: var(--font-heading); font-size: 18px; text-align: center; margin: 0 0 4px; color: var(--maroon); }
.login-card p.sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.login-card button { width: 100%; margin-top: 8px; }

@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
}

/* ============================================================
   Public page (หน้าเว็บสาธารณะ) — หัวข้อ ๑: Hero Section
   แถบต้อนรับด้านบนสุด สีน้ำตาลไหม้/แดงชาดไล่เฉด พร้อมแสงทองฟุ้งเบาๆ
   ให้ความรู้สึกสงบ น่าเลื่อมใส สื่อถึงความเป็นสถาบันสงฆ์
   ============================================================ */
.public-hero, .hero-section {
  position: relative;
  background:
    radial-gradient(60% 90% at 50% -10%, rgba(212, 175, 55, 0.22), transparent 60%),
    linear-gradient(160deg, var(--maroon), var(--maroon-dark));
  color: #fdf6e6;
  padding: clamp(40px, 8vw, 64px) 24px clamp(56px, 10vw, 76px);
  text-align: center;
  overflow: hidden;
}
.public-hero h1 { font-family: var(--font-heading); margin: 0 0 6px; font-size: clamp(20px, 4vw, 26px); letter-spacing: .2px; }
.public-hero p { margin: 4px 0; color: #e8d3ac; font-size: 14px; }
.public-hero .btn-login {
  position: relative;
  overflow: hidden;
  display: inline-block; margin-top: 18px; background: var(--gold); color: #241a00;
  padding: 10px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; font-size: 14px;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}
.public-hero .btn-login:hover { background: var(--gold-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25); }

.public-body { max-width: 1000px; margin: 0 auto 40px; padding: 0 20px; flex: 1 0 auto; width: 100%; }

/* ดัน footer ให้อยู่ล่างสุดของจอเสมอ แม้เนื้อหาในแท็บนั้นจะสั้นกว่าความสูงจอก็ตาม */
body.public-page { min-height: 100vh; display: flex; flex-direction: column; }
.public-section-title { font-family: var(--font-heading); font-size: 18px; color: var(--maroon); margin: 32px 0 16px; text-align: center; }

/* คำนำต้อนรับหน้าแรก — ลดขนาดตัวหนังสือและจำกัดความกว้าง อ่านสบายตา ไม่ใหญ่โด่งเด่นเกินไป */
.home-intro { text-align: center; }
.home-intro p {
  margin: 0 auto;
  max-width: 640px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

/* หน้าเกี่ยวกับสำนัก — ที่ตั้ง/สังกัด ลดขนาดตัวหนังสือให้เท่ากับส่วนอื่นของเว็บ */
#tab-about p { font-size: 14px; line-height: 1.9; color: var(--text); }
#tab-about p strong { color: var(--maroon); }

/* ============================================================
   หัวข้อ ๒: Navbar (แถบเมนู/แท็บ) — ลอยค้างด้านบนเมื่อเลื่อนจอ (sticky)
   พื้นหลังโปร่งใสเล็กน้อยพร้อม backdrop-filter blur ให้ความรู้สึกทันสมัย
   ============================================================ */
.public-tabs, .navbar {
  position: sticky;
  top: 12px;
  z-index: 40;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 6px;
  width: fit-content;
  margin: -28px auto 24px;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  padding: 6px;
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.tab-btn {
  background: none; border: none; padding: 9px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;
  color: var(--muted); cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}
.tab-btn:hover { background: rgba(139, 0, 0, 0.08); color: var(--maroon); }
.tab-btn.active { background: var(--maroon); color: #fdf6e6; }

/* ============================================================
   หัวข้อ ๓: Course Card / News Card — การ์ดหลักสูตรและข่าวสาร
   ขอบมน เงาฟุ้งนุ่มนวล ลอยขึ้นเบาๆ เมื่อ hover
   ============================================================ */
.courses-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: stretch; gap: 16px; }

.courses-row .panel, .course-card,
.post-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.courses-row .panel:hover, .course-card:hover,
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

.courses-row .panel { flex: 1 1 200px; max-width: 260px; margin-bottom: 0; padding: 16px 18px; }
.courses-row .panel h3, .course-card h3 { font-family: var(--font-heading); font-size: 14.5px; margin-top: 0; }
.courses-row .panel li { font-size: 13px; line-height: 1.6; }

.post-card { padding: 16px 20px; margin-bottom: 14px; }
.post-card h3 { font-family: var(--font-heading); margin: 0 0 4px; color: var(--maroon); font-size: 16px; }
.post-card .post-date { color: var(--muted); font-size: 12.5px; margin-bottom: 8px; }
.post-card p { margin: 0; font-size: 14px; line-height: 1.7; white-space: pre-line; }
.post-card .post-image {
  display: block; width: 100%; max-height: 320px; object-fit: cover;
  border-radius: 8px; margin-bottom: 12px;
}

@media (max-width: 640px) {
  .public-tabs, .navbar { top: 8px; border-radius: 16px; gap: 3px; padding: 5px; }
  .tab-btn { padding: 7px 12px; font-size: 12.5px; }
}

/* org chart — compact stacked/wrap layout: never needs its own scrollbar (h or v) */
.org-chart { display: flex; flex-direction: column; align-items: center; gap: 0; }
.org-connector { width: 2px; height: 16px; background: var(--border); flex: none; }
.org-row {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: stretch;
  gap: 10px; width: 100%;
}
.org-node {
  border: 1px solid var(--border); border-radius: 8px; background: #fff;
  padding: 8px 16px; font-size: 12.5px; line-height: 1.4; text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  flex: 0 1 auto; min-width: 150px;
}
.org-node .role { display: block; font-weight: 700; color: var(--maroon); font-size: 12px; white-space: nowrap; }
.org-node .person { display: block; margin-top: 2px; }
.org-node .vacant { color: var(--muted); font-style: italic; }
.org-node.root { background: var(--maroon); border-color: var(--maroon); }
.org-node.root .role, .org-node.root .person { color: #fdf6e6; }

.org-person { display: flex; flex-direction: column; align-items: center; gap: 4px; margin-top: 6px; }
.org-avatar { border-radius: 50%; object-fit: cover; flex: none; display: block; }
.org-avatar-placeholder {
  display: flex; align-items: center; justify-content: center;
  background: var(--gold); color: #241a00; font-weight: 700;
}
.org-node.root .org-avatar-placeholder.vacant-avatar { background: rgba(255,255,255,.25); color: #fdf6e6; }

.org-dept { flex: 1 1 260px; max-width: 340px; background: #fdf0d6; border-color: var(--gold); text-align: left; padding: 10px 14px; }
.org-dept .role { text-align: center; margin-bottom: 6px; }
.org-chip-list { display: flex; flex-wrap: wrap; gap: 6px; }
.org-chip {
  display: flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid var(--gold); border-radius: 999px;
  padding: 3px 10px 3px 3px; font-size: 11.5px;
}
.org-chip-empty { color: var(--muted); font-style: italic; font-size: 11.5px; }

/* ============================================================
   หัวข้อ ๔: Footer — แถบท้ายเว็บ สีเข้มคู่กับ Hero พร้อมเส้นทองคาดหัว
   ============================================================ */
.public-footer, .footer {
  text-align: center;
  color: #e8d3ac;
  font-size: 13px;
  padding: 32px 20px;
  margin-top: 24px;
  background: linear-gradient(160deg, var(--maroon), var(--maroon-dark));
  border-top: 3px solid var(--gold);
}

/* หน่วยงานที่เกี่ยวข้อง — ลิงก์โลโก้แม่กองธรรม/แม่กองบาลีสนามหลวง ท้าย Footer */
.footer-agency-title {
  font-size: 12px;
  letter-spacing: .5px;
  color: rgba(232, 211, 172, 0.75);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}
.footer-links a {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  padding: 3px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.footer-links a:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.footer-links img { display: block; height: 40px; width: auto; }
.footer-copy { color: #e8d3ac; }