@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@400;500;600;700;800&display=swap");

:root {
  --admin-navy: #103c5b;
  --admin-deep: #082c44;
  --admin-teal: #078b86;
  --admin-teal-dark: #056b67;
  --admin-mint: #e9f8f6;
  --admin-sky: #eff7fa;
  --admin-text: #173248;
  --admin-muted: #6b7f8f;
  --admin-line: #dce9ee;
  --admin-danger: #c63d4f;
  --admin-warning: #b7791f;
  --admin-shadow: 0 18px 45px rgba(15, 60, 91, 0.09);
}

* { box-sizing: border-box; }

html { font-size: 16px; }

body {
  margin: 0;
  background: #f4f8fa;
  color: var(--admin-text);
  font-family: "Noto Sans Thai", "Leelawadee UI", Tahoma, sans-serif;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid rgba(7, 139, 134, .3); outline-offset: 2px; }

.admin-body { min-height: 100vh; }

.admin-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  display: flex;
  width: 272px;
  flex-direction: column;
  padding: 24px 18px;
  background:
    radial-gradient(circle at 20% 0, rgba(62, 190, 181, .22), transparent 26%),
    linear-gradient(180deg, var(--admin-deep), #104765);
  color: #fff;
}

.admin-brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 26px; border-bottom: 1px solid rgba(255,255,255,.1); }
.admin-brand-mark { display: grid; width: 52px; height: 52px; flex: 0 0 52px; place-items: center; border-radius: 15px; background: #fff; box-shadow: 0 12px 26px rgba(0,0,0,.16); }
.admin-brand-mark img { width: 41px; height: 41px; object-fit: contain; }
.admin-brand strong, .admin-brand small { display: block; }
.admin-brand strong { font-size: 18px; line-height: 1.3; }
.admin-brand small { color: #abc5d2; font-size: 12px; }

.admin-nav { display: grid; gap: 6px; margin-top: 26px; }
.admin-nav a { display: flex; min-height: 48px; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 12px; color: #cfe0e8; font-size: 15px; font-weight: 600; transition: .2s ease; }
.admin-nav a i { width: 23px; font-size: 21px; text-align: center; }
.admin-nav a:hover { background: rgba(255,255,255,.08); color: #fff; transform: translateX(2px); }
.admin-nav a.active { background: #fff; box-shadow: 0 12px 28px rgba(0,0,0,.15); color: var(--admin-navy); }
.admin-nav a.active i { color: var(--admin-teal); }

.admin-sidebar-footer { display: grid; gap: 8px; margin-top: auto; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }
.admin-sidebar-footer a, .admin-sidebar-footer button { display: flex; width: 100%; align-items: center; gap: 10px; padding: 9px 10px; border: 0; background: transparent; color: #bfd2dc; cursor: pointer; font-size: 14px; text-align: left; }
.admin-sidebar-footer a:hover, .admin-sidebar-footer button:hover { color: #fff; }
.admin-sidebar-footer i { font-size: 19px; }

.admin-workspace { min-height: 100vh; margin-left: 272px; }
.admin-topbar { position: sticky; top: 0; z-index: 20; display: flex; min-height: 86px; align-items: center; gap: 20px; padding: 14px 34px; border-bottom: 1px solid rgba(220,233,238,.92); background: rgba(255,255,255,.94); box-shadow: 0 8px 30px rgba(15,60,91,.05); backdrop-filter: blur(14px); }
.admin-page-title { display: flex; flex-direction: column; }
.admin-page-title small { color: var(--admin-muted); font-size: 12px; }
.admin-page-title strong { color: var(--admin-deep); font-size: 22px; line-height: 1.35; }
.admin-account { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.admin-account > span:last-child { display: flex; flex-direction: column; }
.admin-account small { color: var(--admin-muted); font-size: 11px; }
.admin-account strong { font-size: 14px; }
.admin-avatar { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 13px; background: var(--admin-mint); color: var(--admin-teal-dark); font-size: 18px; font-weight: 800; }
.sidebar-toggle { display: none; width: 43px; height: 43px; border: 1px solid var(--admin-line); border-radius: 11px; background: #fff; color: var(--admin-navy); cursor: pointer; font-size: 24px; }

.admin-main { max-width: 1440px; margin: 0 auto; padding: 32px 34px 54px; }
.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.page-heading h1 { margin: 0; color: var(--admin-deep); font-size: clamp(25px, 3vw, 34px); line-height: 1.35; }
.page-heading p { max-width: 680px; margin: 5px 0 0; color: var(--admin-muted); }

.admin-alert { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 20px; padding: 13px 16px; border: 1px solid #bddfdc; border-radius: 12px; background: var(--admin-mint); color: var(--admin-teal-dark); }
.admin-alert.warning { border-color: #efd9aa; background: #fff8e8; color: #8b5b12; }
.admin-alert.danger { border-color: #edc2c8; background: #fff1f3; color: #a82f40; }
.admin-alert i { margin-top: 3px; font-size: 20px; }

.stat-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; margin-bottom: 26px; }
.stat-card { position: relative; overflow: hidden; min-height: 145px; padding: 22px; border: 1px solid var(--admin-line); border-radius: 18px; background: #fff; box-shadow: var(--admin-shadow); }
.stat-card::after { content: ""; position: absolute; right: -28px; bottom: -35px; width: 105px; height: 105px; border-radius: 50%; background: var(--admin-mint); }
.stat-icon { display: grid; width: 45px; height: 45px; place-items: center; border-radius: 13px; background: var(--admin-mint); color: var(--admin-teal); font-size: 23px; }
.stat-card strong, .stat-card span { position: relative; z-index: 1; display: block; }
.stat-card strong { margin-top: 12px; color: var(--admin-deep); font-size: 27px; line-height: 1; }
.stat-card span { margin-top: 7px; color: var(--admin-muted); font-size: 13px; }

.admin-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(280px, .8fr); gap: 22px; }
.admin-panel { border: 1px solid var(--admin-line); border-radius: 18px; background: #fff; box-shadow: var(--admin-shadow); }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 19px 22px; border-bottom: 1px solid var(--admin-line); }
.panel-header h2 { margin: 0; color: var(--admin-deep); font-size: 18px; }
.panel-body { padding: 22px; }

.quick-actions { display: grid; gap: 10px; }
.quick-action { display: flex; align-items: center; gap: 12px; padding: 13px; border: 1px solid var(--admin-line); border-radius: 12px; transition: .2s ease; }
.quick-action:hover { border-color: #acd7d4; background: var(--admin-mint); transform: translateY(-1px); }
.quick-action i { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 10px; background: var(--admin-sky); color: var(--admin-teal); font-size: 20px; }
.quick-action strong, .quick-action small { display: block; }
.quick-action strong { font-size: 14px; }
.quick-action small { color: var(--admin-muted); font-size: 12px; }

.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 13px 14px; border-bottom: 1px solid #e8f0f3; text-align: left; vertical-align: middle; }
.admin-table th { background: #f8fbfc; color: #607787; font-size: 12px; font-weight: 700; white-space: nowrap; }
.admin-table td { font-size: 14px; }
.admin-table tr:last-child td { border-bottom: 0; }
.table-title { min-width: 260px; color: var(--admin-text); font-weight: 600; }
.table-actions { display: flex; gap: 7px; justify-content: flex-end; white-space: nowrap; }
.table-actions form { display: inline; }

.status-pill, .category-pill { display: inline-flex; align-items: center; gap: 5px; padding: 5px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.status-pill.published { background: var(--admin-mint); color: var(--admin-teal-dark); }
.status-pill.draft { background: #f1f3f5; color: #687784; }
.category-pill { background: var(--admin-sky); color: var(--admin-navy); }

.btn { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; gap: 7px; padding: 9px 15px; border: 1px solid transparent; border-radius: 10px; cursor: pointer; font-size: 14px; font-weight: 700; transition: .2s ease; }
.btn i { font-size: 18px; }
.btn-primary { background: var(--admin-teal); box-shadow: 0 8px 18px rgba(7,139,134,.18); color: #fff; }
.btn-primary:hover { background: var(--admin-teal-dark); transform: translateY(-1px); }
.btn-secondary { border-color: var(--admin-line); background: #fff; color: var(--admin-navy); }
.btn-secondary:hover { border-color: #afd4d2; background: var(--admin-mint); }
.btn-danger { border-color: #efc9ce; background: #fff5f6; color: var(--admin-danger); }
.btn-danger:hover { background: #ffe8eb; }
.btn-sm { min-height: 34px; padding: 6px 10px; font-size: 12px; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; padding: 12px; border: 1px solid var(--admin-line); border-radius: 14px; background: #fff; }
.filter-bar a { padding: 8px 12px; border-radius: 9px; color: var(--admin-muted); font-size: 13px; font-weight: 700; }
.filter-bar a:hover, .filter-bar a.active { background: var(--admin-mint); color: var(--admin-teal-dark); }

.admin-form { padding: 24px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { color: #29475b; font-size: 14px; font-weight: 700; }
.form-group small { color: var(--admin-muted); font-size: 12px; }
.form-control { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #cddde4; border-radius: 10px; background: #fff; color: var(--admin-text); transition: .2s ease; }
textarea.form-control { min-height: 108px; resize: vertical; }
.form-control:focus { border-color: var(--admin-teal); box-shadow: 0 0 0 4px rgba(7,139,134,.09); outline: 0; }
.file-control { position: relative; display: flex; min-height: 54px; align-items: center; gap: 10px; padding: 10px 12px; border: 1px dashed #afc9d3; border-radius: 11px; background: #f8fbfc; cursor: pointer; }
.file-control input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.file-control i { color: var(--admin-teal); font-size: 24px; }
.file-control span { color: var(--admin-muted); font-size: 13px; }
.form-actions { display: flex; gap: 10px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--admin-line); }
.form-error { margin: 0 0 18px; padding: 12px 14px; border: 1px solid #efc4ca; border-radius: 10px; background: #fff2f4; color: #a42d3d; }

.image-preview { display: block; width: 130px; height: 100px; padding: 4px; border: 1px solid var(--admin-line); border-radius: 10px; background: #f4f8fa; object-fit: contain; }
.empty-state { padding: 48px 22px; color: var(--admin-muted); text-align: center; }
.empty-state i { display: block; margin-bottom: 9px; color: #aac0cb; font-size: 44px; }

.auth-page { display: grid; min-height: 100vh; place-items: center; padding: 24px; background: radial-gradient(circle at 15% 10%, rgba(56,190,179,.24), transparent 27%), linear-gradient(135deg, #eaf8f6, #edf5fa 50%, #fff); }
.auth-card { width: min(100%, 470px); padding: 34px; border: 1px solid rgba(255,255,255,.9); border-radius: 24px; background: rgba(255,255,255,.94); box-shadow: 0 28px 75px rgba(15,60,91,.17); backdrop-filter: blur(14px); }
.auth-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.auth-brand img { width: 56px; height: 56px; padding: 6px; border: 1px solid var(--admin-line); border-radius: 16px; object-fit: contain; }
.auth-brand strong, .auth-brand small { display: block; }
.auth-brand strong { color: var(--admin-deep); font-size: 18px; }
.auth-brand small { color: var(--admin-muted); font-size: 12px; }
.auth-card h1 { margin: 0; color: var(--admin-deep); font-size: 27px; }
.auth-card > p { margin: 5px 0 22px; color: var(--admin-muted); }
.auth-card .form-group { margin-bottom: 15px; }
.auth-card .btn { width: 100%; margin-top: 6px; }
.auth-help { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--admin-line); color: var(--admin-muted); font-size: 12px; text-align: center; }

@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .admin-sidebar { transform: translateX(-100%); transition: transform .25s ease; }
  .sidebar-open .admin-sidebar { transform: translateX(0); box-shadow: 20px 0 55px rgba(4,30,47,.28); }
  .sidebar-open::after { content: ""; position: fixed; inset: 0; z-index: 25; background: rgba(4,27,43,.48); }
  .admin-workspace { margin-left: 0; }
  .admin-topbar { padding: 12px 18px; }
  .sidebar-toggle { display: grid; place-items: center; }
  .admin-page-title small, .admin-account > span:last-child { display: none; }
  .admin-main { padding: 24px 18px 44px; }
  .page-heading { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .stat-grid, .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: auto; }
  .admin-account { display: none; }
  .admin-topbar { min-height: 72px; }
  .admin-page-title strong { font-size: 18px; }
  .admin-form, .panel-body { padding: 17px; }
  .auth-card { padding: 24px; border-radius: 19px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}