/* Phase E Admin Dashboard — Typography & Layout (v6) */
:root {
  --bg-sidebar: #0f172a;
  --bg-sidebar-gradient: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  --text-sidebar: #e2e8f0;
  --text-sidebar-muted: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --bg-main: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text-body: #0f172a;
  --text-muted: #64748b;
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
}

/* ─── Font stack: Inter (Latin) + Noto Sans Thai — self-scaling, good default weights ─── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+Thai:wght@400;500;600;700&display=swap');

html { font-size: 15px; }  /* nudge base a touch smaller so dashboard fits more content */
body {
  font-family: 'Inter', 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';  /* Inter stylistic sets — cleaner i/l/1 */
  color: var(--text-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
code, .font-mono, input[type="text"].font-mono, input.font-mono, textarea.font-mono {
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-feature-settings: 'calt' 0;  /* no ligatures for IDs/keys */
}

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

/* ─── Sidebar ─── */
.admin-sidebar {
  background: var(--bg-sidebar-gradient);
  color: var(--text-sidebar);
  padding: 1.5rem 0.875rem;
  display: flex;
  flex-direction: column;
  box-shadow: 1px 0 0 rgba(0, 0, 0, 0.06);
}
.admin-sidebar h1 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  padding: 0 0.25rem;
  letter-spacing: -0.01em;
}
.admin-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}
.admin-sidebar nav a {
  color: var(--text-sidebar-muted);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.admin-sidebar nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-sidebar);
}
.admin-sidebar nav a.active {
  background: var(--accent);
  color: white;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* ─── Main content ─── */
.admin-main {
  padding: 2rem 2.25rem;
  background: var(--bg-main);
  min-width: 0;  /* allow grid children to shrink */
}
.admin-main header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.admin-main header h2 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-body);
  margin: 0;
}
.admin-main h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.admin-main p { font-size: 0.875rem; }

/* ─── Stat cards ─── */
.stat-card {
  background: var(--surface);
  padding: 1.125rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.6);
  transition: box-shadow 0.15s;
}
.stat-card:hover { box-shadow: var(--shadow-md); }
.stat-card h3 {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin: 0;
}
.stat-card > p:first-of-type {
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0.375rem;
  color: var(--text-body);
}

/* ─── Tables ─── */
.data-table {
  width: 100%;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.6);
  border-collapse: separate;
  border-spacing: 0;
}
.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.8125rem;
  vertical-align: middle;
}
.data-table th {
  background: #f8fafc;
  font-size: 0.6875rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background 0.1s; }
.data-table tbody tr:hover { background: #f8fafc; }

/* ─── Forms ─── */
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="url"], input[type="search"], input[type="date"], input[type="datetime-local"],
select, textarea {
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.4;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(59, 130, 246, 0.35);
  outline-offset: 1px;
  border-color: var(--accent);
}

label { font-size: 0.8125rem; }

/* ─── Buttons ─── */
.btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: white;
  cursor: pointer;
  border: none;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  transition: background 0.12s, box-shadow 0.12s, transform 0.05s;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: translateY(1px); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #dc2626; }

/* Compact action buttons for data tables */
.btn-mini {
  padding: 0.25rem 0.625rem;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 0.3rem;
  border: none;
  cursor: pointer;
  color: #fff;
  white-space: nowrap;
  transition: filter 0.15s;
}
.btn-mini:hover { filter: brightness(0.92); }
.btn-warn        { background: var(--warning); }
.btn-danger-mini { background: var(--danger); }
.btn-ok          { background: var(--success); }

/* ─── Toasts ─── */
.toast {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  color: white;
  font-size: 0.8125rem;
  font-weight: 500;
  z-index: 1000;
  animation: slideIn 0.2s;
  box-shadow: var(--shadow-md);
}
.toast-error { background: var(--danger); }
.toast-info { background: var(--accent); }
.toast-success { background: var(--success); }
@keyframes slideIn {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ─── i18n — mirror site behavior for data-th/data-en spans ─── */
[data-th], [data-en] { display: inline; }
html[data-lang="th"] [data-en] { display: none; }
html[data-lang="en"] [data-th] { display: none; }
html[data-lang="en"] [data-en] { display: inline; }

/* ─── Language toggle in admin header ─── */
.admin-lang-toggle { display: inline-flex; align-items: center; gap: 0.25rem; }
.admin-lang-toggle button {
  padding: 0.25rem 0.5rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-sidebar-muted);
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.04em;
}
.admin-lang-toggle button:hover {
  border-color: var(--accent);
  color: white;
}
.admin-lang-toggle button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ─── Responsive ─── */
@media (max-width: 1023px) {
  .admin-layout { grid-template-columns: 60px 1fr; }
  .admin-sidebar { padding: 1rem 0.5rem; }
  .admin-sidebar nav a span { display: none; }
  .admin-sidebar h1 span { display: none; }
  .admin-main { padding: 1.5rem 1.25rem; }
}
@media (max-width: 767px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
  .admin-main { padding: 1rem; }
  .admin-main header h2 { font-size: 1.125rem; }
}