@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
  --navy: #0f2f5f;
  --blue: #1f6fb5;
  --green: #0b6b3a;
  --teal: #0e8c91;
  --sky: #eaf5ff;
  --gold: #c49a2c;
  --ink: #1f2937;
  --muted: #64748b;
  --line: #d9e4ef;
  --bg: #f5f8fc;
  --white: #ffffff;
  --danger: #b42318;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Sarabun', 'Noto Sans Thai', sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.hidden { display: none !important; }

.topbar {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) auto auto;
  align-items: center;
  gap: 16px;
  padding: 12px 22px;
  background:
    radial-gradient(circle at 62% -35%, rgba(255,255,255,.24), transparent 34%),
    linear-gradient(105deg, #064d2d 0%, #0f2f5f 46%, #126a83 100%);
  color: var(--white);
  border-bottom: 4px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand img {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--white);
  border: 3px solid rgba(255,255,255,.9);
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
}
.brand p { margin: 0 0 2px; color: #cfe7ff; font-weight: 500; }
.brand h1 { margin: 0; font-size: clamp(18px, 2.5vw, 28px); line-height: 1.25; letter-spacing: 0; }
.mission-strip {
  display: grid;
  grid-template-columns: repeat(3, max-content);
  gap: 6px;
  justify-content: center;
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 8px;
  background: rgba(255,255,255,.1);
}
.mission-strip span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #eef8ff;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
.mission-strip b {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  color: #f6d36c;
}
.userbar { display: flex; align-items: center; gap: 10px; white-space: nowrap; }

.layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  max-width: 1480px;
  margin: 0 auto;
}
.sidebar { align-self: start; position: sticky; top: 98px; }
.nav, .side-panel, .panel, .auth-card, .table-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(15, 47, 95, .06);
}
.nav { padding: 8px; display: grid; gap: 4px; }
.nav button, .tabs button {
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  padding: 11px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}
.nav button:hover, .nav button.active, .tabs button.active { background: var(--sky); color: var(--navy); }
.content { min-width: 0; }
.page-view { display: none; }
.page-view.active { display: block; }
.stack { display: grid; gap: 18px; }

.hero {
  min-height: 340px;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(90deg, rgba(15,47,95,.9), rgba(15,47,95,.48)), var(--hero-image, url('https://images.unsplash.com/photo-1576091160550-2173dba999ef?auto=format&fit=crop&w=1400&q=80')) center/cover;
  color: var(--white);
  display: flex;
  align-items: center;
  padding: clamp(24px, 5vw, 54px);
}
.hero div { max-width: 720px; }
.hero span {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 999px;
  color: #f7df91;
  font-weight: 700;
  margin-bottom: 14px;
}
.hero h2 { margin: 0; font-size: clamp(28px, 5vw, 46px); line-height: 1.2; letter-spacing: 0; }
.hero p { color: #e9f4ff; font-size: 18px; max-width: 620px; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}
.section-head p { margin: 0; color: var(--gold); font-weight: 700; }
.section-head h2 { margin: 2px 0 0; color: var(--navy); font-size: 26px; letter-spacing: 0; }
.search-box { display: flex; gap: 8px; min-width: min(100%, 360px); }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  background: var(--white);
  color: var(--ink);
}
textarea { resize: vertical; }
input[type="file"] {
  padding: 8px;
  border-style: dashed;
  background: #fbfdff;
}
.upload-row {
  display: block;
  margin-top: 2px;
}
.detail-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}
.detail-tools .btn {
  width: auto;
}

.btn {
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn.primary { background: var(--navy); color: var(--white); }
.btn.gold { background: var(--gold); color: #13233a; margin-top: 8px; }
.btn.ghost { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.3); color: inherit; }
.btn.ghost.soft { background: var(--sky); border-color: var(--line); color: var(--navy); }
.topbar .btn.ghost.active {
  background: var(--white);
  border-color: var(--white);
  color: var(--navy);
}
.btn.link { color: var(--blue); background: transparent; padding: 6px; }
.btn.danger { color: var(--white); background: var(--danger); }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.card, .link-card, .metric-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 22px rgba(15, 47, 95, .05);
}
.card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--sky); }
.card-body { padding: 14px; }
.badge { color: var(--navy); background: var(--sky); border-radius: 999px; padding: 3px 9px; font-size: 13px; font-weight: 700; }
.card h3, .panel h3 { margin: 10px 0 6px; color: var(--navy); letter-spacing: 0; }
.card p, .side-panel p, .card-list p { color: var(--muted); margin: 0; line-height: 1.6; }
.rich-content { color: var(--muted); line-height: 1.6; }
.rich-content p { margin: 0 0 10px; }
.rich-content a { color: var(--teal); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.content-image-link { display: block; }
.rich-content .content-image {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--sky);
  margin: 8px 0 12px;
}
.meta { color: var(--muted); font-size: 13px; margin-top: 10px; }
.split-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.card-list { display: grid; gap: 10px; }
.home-info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.home-info-grid .contact-panel { grid-column: span 2; }
.mini-item {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}
.mini-item strong { display: block; color: var(--navy); margin-bottom: 3px; }
.link-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.link-card { display: flex; gap: 12px; align-items: center; padding: 14px; }
.link-card .icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  flex: 0 0 42px;
}

.side-panel { padding: 14px; margin-bottom: 14px; }
.side-panel h2 { margin: 0 0 10px; color: var(--navy); font-size: 18px; letter-spacing: 0; }
.side-panel.accent { border-top: 4px solid var(--gold); }
#visitorCount { font-size: 32px; color: var(--navy); }

.auth-wrap { min-height: 520px; display: grid; place-items: center; }
.auth-card { width: min(100%, 460px); padding: 26px; }
.auth-card h2 { color: var(--navy); margin: 0 0 6px; font-size: 28px; letter-spacing: 0; }
.auth-card p { color: var(--muted); margin-top: 0; }
.form-grid { display: grid; gap: 12px; }
.form-grid label { display: grid; gap: 6px; color: var(--navy); font-weight: 700; }
.form-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.settings-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.settings-form label:nth-child(4),
.settings-form label:nth-child(5),
.settings-form .form-actions {
  grid-column: 1 / -1;
}

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.metric-grid article { padding: 18px; border-top: 4px solid var(--gold); }
.metric-grid span { color: var(--muted); display: block; }
.metric-grid strong { color: var(--navy); font-size: 34px; }
.panel { padding: 16px; }
.admin-menu { display: flex; flex-wrap: wrap; gap: 10px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--line); }
.tabs button { border-radius: 6px 6px 0 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--white); }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--navy); background: var(--sky); white-space: nowrap; }

.cms-form .field-type { display: none; }
.cms-form[data-type="news"] .field-url,
.cms-form[data-type="news"] .field-file,
.cms-form[data-type="news"] .field-subtitle,
.cms-form[data-type="news"] .field-button,
.cms-form[data-type="news"] .field-button-url,
.cms-form[data-type="news"] .field-date { display: none; }
.cms-form[data-type="links"] .field-detail,
.cms-form[data-type="links"] .field-file,
.cms-form[data-type="links"] .field-image,
.cms-form[data-type="links"] .field-subtitle,
.cms-form[data-type="links"] .field-button,
.cms-form[data-type="links"] .field-button-url,
.cms-form[data-type="links"] .field-date { display: none; }
.cms-form[data-type="downloads"] .field-detail,
.cms-form[data-type="downloads"] .field-url,
.cms-form[data-type="downloads"] .field-image,
.cms-form[data-type="downloads"] .field-subtitle,
.cms-form[data-type="downloads"] .field-button,
.cms-form[data-type="downloads"] .field-button-url,
.cms-form[data-type="downloads"] .field-date { display: none; }
.cms-form[data-type="banners"] .field-detail,
.cms-form[data-type="banners"] .field-url,
.cms-form[data-type="banners"] .field-file,
.cms-form[data-type="banners"] .field-date { display: none; }
.cms-form[data-type="activities"] .field-url,
.cms-form[data-type="activities"] .field-file,
.cms-form[data-type="activities"] .field-subtitle,
.cms-form[data-type="activities"] .field-button,
.cms-form[data-type="activities"] .field-button-url { display: none; }
.cms-form[data-type="categories"] .field-detail,
.cms-form[data-type="categories"] .field-url,
.cms-form[data-type="categories"] .field-file,
.cms-form[data-type="categories"] .field-image,
.cms-form[data-type="categories"] .field-subtitle,
.cms-form[data-type="categories"] .field-button,
.cms-form[data-type="categories"] .field-button-url,
.cms-form[data-type="categories"] .field-date,
.cms-form[data-type="categories"] .field-category { display: none; }
.cms-form[data-type="categories"] .field-type { display: grid; }

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: var(--navy);
  color: var(--white);
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(15,47,95,.25);
  z-index: 30;
}

@media (max-width: 1180px) {
  .topbar { grid-template-columns: 1fr auto; }
  .mission-strip { grid-column: 1 / -1; grid-template-columns: repeat(6, max-content); justify-content: start; overflow-x: auto; }
  .layout { grid-template-columns: 210px minmax(0, 1fr); }
  .home-info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .side-panel { margin: 0; }
}
@media (max-width: 820px) {
  .topbar { grid-template-columns: 1fr; align-items: flex-start; }
  .mission-strip { width: 100%; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mission-strip span { white-space: normal; }
  .userbar { width: 100%; justify-content: space-between; }
  .layout { grid-template-columns: 1fr; padding: 12px; }
  .sidebar { position: static; }
  .nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-head, .search-box { flex-direction: column; align-items: stretch; }
  .card-grid, .split-grid, .link-grid, .metric-grid, .home-info-grid, .settings-form { grid-template-columns: 1fr; }
  .home-info-grid .contact-panel { grid-column: auto; }
  .detail-tools { grid-template-columns: 1fr; }
  .settings-form label:nth-child(4),
  .settings-form label:nth-child(5),
  .settings-form .form-actions { grid-column: auto; }
}