/* ==========================================================================
   USER MANAGEMENT — Premium Admin Console
   Theme: Royal Purple → Electric Blue (admin/security vibe)
   ========================================================================== */

:root,
[data-theme="dark"] {
  --um-bg-0: #0b0d18;
  --um-bg-1: #11142a;
  --um-bg-2: #161a36;
  --um-bg-3: #1d2244;
  --um-surface: #161a36;
  --um-surface-hi: #1d2244;
  --um-border: rgba(139, 124, 248, 0.18);
  --um-border-hi: rgba(139, 124, 248, 0.35);

  --um-ink-1: #f1f3ff;
  --um-ink-2: #b8bee0;
  --um-ink-3: #8088b4;
  --um-ink-4: #5a6090;

  --um-accent: #8b7cf8;          /* Royal purple */
  --um-accent-2: #5b8cff;        /* Electric blue */
  --um-accent-3: #c084fc;        /* Lavender */
  --um-accent-glow: rgba(139, 124, 248, 0.4);

  --um-success: #34d399;
  --um-success-glow: rgba(52, 211, 153, 0.35);
  --um-warn: #fbbf24;
  --um-danger: #f87171;
  --um-danger-glow: rgba(248, 113, 113, 0.35);

  --um-admin: #c084fc;
  --um-user: #5b8cff;

  --um-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --um-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --um-shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.5);
  --um-shadow-glow: 0 0 0 1px var(--um-border-hi), 0 12px 32px rgba(91, 140, 255, 0.18);

  --um-radius-sm: 8px;
  --um-radius-md: 12px;
  --um-radius-lg: 16px;
  --um-radius-xl: 24px;
}

[data-theme="light"] {
  --um-bg-0: #f5f6fb;
  --um-bg-1: #ffffff;
  --um-bg-2: #f8f9fd;
  --um-bg-3: #eef0f9;
  --um-surface: #ffffff;
  --um-surface-hi: #f8f9fd;
  --um-border: rgba(99, 88, 200, 0.16);
  --um-border-hi: rgba(99, 88, 200, 0.32);

  --um-ink-1: #181a2e;
  --um-ink-2: #4a4f70;
  --um-ink-3: #6f769b;
  --um-ink-4: #9097b8;

  --um-accent: #6358c8;
  --um-accent-2: #2563eb;
  --um-accent-3: #9333ea;
  --um-accent-glow: rgba(99, 88, 200, 0.25);

  --um-success: #059669;
  --um-success-glow: rgba(5, 150, 105, 0.25);
  --um-warn: #d97706;
  --um-danger: #dc2626;
  --um-danger-glow: rgba(220, 38, 38, 0.25);

  --um-admin: #9333ea;
  --um-user: #2563eb;

  --um-shadow-sm: 0 2px 6px rgba(99, 88, 200, 0.08);
  --um-shadow-md: 0 8px 22px rgba(99, 88, 200, 0.14);
  --um-shadow-lg: 0 18px 40px rgba(99, 88, 200, 0.18);
  --um-shadow-glow: 0 0 0 1px var(--um-border-hi), 0 12px 28px rgba(99, 88, 200, 0.18);
}

/* ── Body wash ─────────────────────────────────────────────────────────── */
body {
  background:
    radial-gradient(900px 600px at 8% -10%, rgba(139, 124, 248, 0.18), transparent 65%),
    radial-gradient(900px 600px at 100% 5%, rgba(91, 140, 255, 0.14), transparent 60%),
    var(--um-bg-0) !important;
  color: var(--um-ink-1) !important;
  min-height: 100vh;
  transition: background 0.3s ease, color 0.3s ease;
}

[data-theme="light"] body {
  background:
    radial-gradient(900px 600px at 8% -10%, rgba(99, 88, 200, 0.10), transparent 65%),
    radial-gradient(900px 600px at 100% 5%, rgba(37, 99, 235, 0.08), transparent 60%),
    var(--um-bg-0) !important;
}

/* Hide legacy header — replaced by hero */
body > header.main-header { display: none !important; }

/* ── Container ─────────────────────────────────────────────────────────── */
main.container {
  max-width: 1480px !important;
  margin: 0 auto !important;
  padding: 0 32px 80px !important;
  background: transparent !important;
  box-shadow: none !important;
}

main.container > h2,
main.container > p.page-description {
  display: none !important; /* Replaced by hero */
}

/* ==========================================================================
   HERO BACKGROUND (สไตล์ Traffic)
   ========================================================================== */
.um-hero {
  position: relative;
  isolation: isolate;
  
  /* ✨ ปรับระยะความสูงให้เท่ากับหน้า Traffic */
  padding: 28px 0 92px; 
  
  /* ✨ ลบเส้นขอบ, border-radius, box-shadow และ margin ทิ้งทั้งหมด */
  background:
    linear-gradient(135deg, rgba(139, 124, 248, 0.15), rgba(91, 140, 255, 0.05) 50%, transparent 80%),
    var(--um-bg-0); /* ใช้สีพื้นหลังหลัก */
  overflow: hidden;
}

/* 1. แสงแฟลร์ (ปรับโทนสีเป็นของหน้า User Management) */
.um-hero::before {
  content: ""; 
  position: absolute; 
  inset: 0;
  background:
    radial-gradient(800px 400px at 90% 0%, rgba(139, 124, 248, 0.20), transparent 60%),
    radial-gradient(600px 300px at 10% 100%, rgba(91, 140, 255, 0.18), transparent 60%);
  z-index: -1; 
  pointer-events: none;
}

/* 2. ลายตาราง Grid (ใช้ตัวแปรสีขอบ เพื่อให้สลับสีตอนเปลี่ยน Light Mode อัตโนมัติ) */
.um-hero::after {
  content: ""; 
  position: absolute; 
  inset: 0;
  background-image:
    linear-gradient(var(--um-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--um-border) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 70%);
  z-index: -1; 
  pointer-events: none;
}

/* ✨ โครงสร้างใหม่ให้เหมือนหน้า Traffic */
.um-hero-inner {
  position: relative;
  /* ✨ ปรับให้เท่ากับ main.container เป๊ะๆ */
  max-width: 1480px; 
  margin: 0 auto;
  padding: 0 32px; 
}

.um-hero-top { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.um-brand { display: flex; align-items: center; gap: 14px; }
.um-mark {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--um-accent), var(--um-accent-2));
  display: grid; place-items: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 6px 18px var(--um-accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.um-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.um-brand-text .name {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  letter-spacing: 1.5px;
  font-size: 1rem;
  color: var(--um-ink-1);
}
.um-brand-text .sub {
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--um-ink-3);
  margin-top: 4px;
  font-weight: 500;
}

.um-hero-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.um-back-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--um-ink-2);
  background: var(--um-bg-2);
  border: 1px solid var(--um-border);
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 0.85rem; font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s, border-color 0.2s;
}
.um-back-link:hover { 
  background: var(--um-bg-3); 
  border-color: var(--um-border-hi);
  transform: translateX(-2px); 
}

.um-theme-toggle {
  background: var(--um-bg-2);
  border: 1px solid var(--um-border);
  color: var(--um-ink-1);
  width: 38px; height: 38px;
  border-radius: 10px;
  display: inline-grid; place-items: center;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.um-theme-toggle:hover { 
  background: var(--um-bg-3); 
  border-color: var(--um-border-hi);
}

.um-hero-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.15;
  margin: 32px 0 8px;
  letter-spacing: -0.5px;
  color: var(--um-ink-1);
}
.um-hero-title .accent {
  background: linear-gradient(135deg, var(--um-accent-3), var(--um-accent-2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.um-hero-sub {
  color: var(--um-ink-2);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 720px;
}

/* Stats grid */
.um-hero-stats {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 14px;
  max-width: 800px;
}

[data-theme="light"] .um-stat {
  background: rgba(99, 88, 200, 0.04);
}

.um-stat:hover {
  border-color: var(--um-border-hi);
  transform: translateY(-2px);
}

.um-stat__label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--um-ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.um-stat__label i { font-size: 11px; opacity: 0.85; }

.um-stat__value {
  font-size: 24px;
  font-weight: 800;
  color: var(--um-ink-1);
  line-height: 1;
  letter-spacing: -0.02em;
  font-feature-settings: "tnum";
}

.um-stat--admin .um-stat__value { color: var(--um-admin); }
.um-stat--user .um-stat__value  { color: var(--um-user); }
.um-stat--me    .um-stat__value { color: var(--um-success); font-size: 16px; padding-top: 4px; }

/* ==========================================================================
   CARDS / SECTIONS
   ========================================================================== */
.um-card {
  background: var(--um-surface);
  border: 1px solid var(--um-border);
  border-radius: var(--um-radius-lg);
  box-shadow: var(--um-shadow-md);
  overflow: hidden;
  margin-bottom: 22px;
}

/* ── Add User collapsible ──────────────────────────────────────────────── */
details.collapsible-filters#add-user-section {
  background: var(--um-surface) !important;
  border: 1px solid var(--um-border) !important;
  border-radius: var(--um-radius-lg) !important;
  box-shadow: var(--um-shadow-md) !important;
  margin-bottom: 22px !important;
  padding: 0 !important;
  overflow: hidden;
}

details#add-user-section > summary {
  list-style: none !important;
  padding: 18px 24px !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  color: var(--um-ink-1) !important;
  background: linear-gradient(90deg, rgba(139, 124, 248, 0.08), transparent) !important;
  border: none !important;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
  transition: background 0.2s ease;
}

details#add-user-section > summary::-webkit-details-marker { display: none; }
details#add-user-section > summary::marker { content: ''; }

details#add-user-section > summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-left: auto;
  color: var(--um-ink-3);
  font-size: 12px;
  transition: transform 0.25s ease;
}

details#add-user-section[open] > summary::after { transform: rotate(180deg); }

details#add-user-section > summary:hover {
  background: linear-gradient(90deg, rgba(139, 124, 248, 0.14), transparent) !important;
}

details#add-user-section[open] > summary {
  border-bottom: 1px solid var(--um-border) !important;
}

details#add-user-section .form-container {
  margin: 0 !important;
  padding: 24px !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

details#add-user-section .form-container > p {
  color: var(--um-ink-2) !important;
  font-size: 13px !important;
  margin: 0 0 18px !important;
}

details#add-user-section .form-grid {
  display: grid !important;
  grid-template-columns: 1fr 1fr 1fr !important;
  gap: 16px !important;
}

details#add-user-section .form-group label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--um-ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

details#add-user-section .form-group input,
details#add-user-section .form-group select {
  width: 100% !important;
  padding: 11px 14px !important;
  font-size: 14px !important;
  background: var(--um-bg-2) !important;
  color: var(--um-ink-1) !important;
  border: 1px solid var(--um-border) !important;
  border-radius: var(--um-radius-sm) !important;
  transition: all 0.15s ease !important;
  box-shadow: none !important;
  outline: none !important;
}

details#add-user-section .form-group input:focus,
details#add-user-section .form-group select:focus {
  border-color: var(--um-accent) !important;
  box-shadow: 0 0 0 3px var(--um-accent-glow) !important;
  background: var(--um-bg-1) !important;
}

details#add-user-section .form-actions {
  margin-top: 22px !important;
  padding-top: 18px !important;
  border-top: 1px solid var(--um-border) !important;
  display: flex;
  align-items: center;
  gap: 16px;
}

#add-user-error {
  padding: 10px 14px;
  border-radius: var(--um-radius-sm);
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--um-danger);
  font-size: 13px;
  font-weight: 600;
  flex: 1;
}

/* Create User button */
#create-user-btn {
  margin-left: auto !important;
  padding: 11px 22px !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  text-transform: uppercase !important;
  color: #fff !important;
  background: linear-gradient(135deg, var(--um-accent), var(--um-accent-2)) !important;
  border: none !important;
  border-radius: var(--um-radius-sm) !important;
  cursor: pointer;
  box-shadow: 0 6px 16px var(--um-accent-glow) !important;
  transition: all 0.18s ease !important;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

#create-user-btn::before {
  content: "\f234";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

#create-user-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px var(--um-accent-glow) !important;
  filter: brightness(1.08);
}

#create-user-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ==========================================================================
   USERS TOOLBAR (Existing Users heading row)
   ========================================================================== */
.um-toolbar {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  margin: 28px 0 16px !important;
  padding: 14px 22px;
  background: var(--um-surface);
  border: 1px solid var(--um-border);
  border-radius: var(--um-radius-md);
  box-shadow: var(--um-shadow-sm);
  gap: 16px;
  flex-wrap: wrap;
}

.um-toolbar h3 {
  margin: 0 !important;
  font-size: 16px;
  font-weight: 700;
  color: var(--um-ink-1);
  display: flex;
  align-items: center;
  gap: 10px;
}

.um-toolbar h3::before {
  content: "\f0c0";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--um-accent);
  font-size: 14px;
}

.um-toolbar__count {
  margin-left: 8px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: rgba(139, 124, 248, 0.16);
  color: var(--um-accent);
  border-radius: 999px;
  border: 1px solid var(--um-border-hi);
}

.um-toolbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* User search input */
.um-search {
  position: relative;
  width: 280px;
  max-width: 100%;
}

.um-search input {
  width: 100%;
  padding: 10px 12px 10px 36px;
  font-size: 13px;
  background: var(--um-bg-2);
  color: var(--um-ink-1);
  border: 1px solid var(--um-border);
  border-radius: var(--um-radius-sm);
  outline: none;
  transition: all 0.15s ease;
}

.um-search input:focus {
  border-color: var(--um-accent);
  box-shadow: 0 0 0 3px var(--um-accent-glow);
}

.um-search input::placeholder { color: var(--um-ink-4); }

.um-search::before {
  content: "\f002";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--um-ink-3);
  font-size: 13px;
  pointer-events: none;
}

/* Sync button — replace inline styles */
#sync-users-btn {
  padding: 10px 18px !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  color: #fff !important;
  background: linear-gradient(135deg, var(--um-accent-2), var(--um-accent)) !important;
  border: none !important;
  border-radius: var(--um-radius-sm) !important;
  cursor: pointer;
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(91, 140, 255, 0.32) !important;
  transition: all 0.18s ease !important;
  text-transform: uppercase;
}

#sync-users-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(91, 140, 255, 0.45) !important;
  filter: brightness(1.08);
}

#sync-users-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* ==========================================================================
   LOADING SPINNER
   ========================================================================== */
#loading-spinner {
  text-align: center !important;
  padding: 60px 20px !important;
  color: var(--um-ink-3) !important;
  font-size: 14px !important;
  background: var(--um-surface);
  border: 1px solid var(--um-border);
  border-radius: var(--um-radius-lg);
  
  /* ✨ แก้ตรงนี้: เอา !important ออก เพื่อให้ JS สั่งซ่อนได้ */
  display: flex; 
  
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

#loading-spinner::before {
  content: "";
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid var(--um-border);
  border-top-color: var(--um-accent);
  animation: um-spin 0.8s linear infinite;
}

@keyframes um-spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   TABLE
   ========================================================================== */
.table-wrapper {
  background: var(--um-surface) !important;
  border: 1px solid var(--um-border) !important;
  border-radius: var(--um-radius-lg) !important;
  overflow: auto !important;
  box-shadow: var(--um-shadow-md) !important;
  max-height: calc(100vh - 360px);
}

.table-wrapper::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
.table-wrapper::-webkit-scrollbar-track { background: transparent; }
.table-wrapper::-webkit-scrollbar-thumb {
  background: var(--um-border-hi);
  border-radius: 6px;
}
.table-wrapper::-webkit-scrollbar-thumb:hover { background: var(--um-accent); }

#data-table {
  width: 100% !important;
  min-width: 1600px !important;
  border-collapse: separate !important;
  border-spacing: 0 !important;
  background: transparent !important;
  font-size: 13px !important;
  /* ✨ บังคับให้สืบทอดฟอนต์หลักของเว็บ (Plus Jakarta Sans / Sarabun) */
  font-family: inherit !important; 
}

#data-table thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--um-bg-3) !important;
  color: var(--um-ink-2) !important;
  font-size: 10.5px !important;
  font-weight: 700 !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase !important;
  padding: 14px 12px !important;
  border-bottom: 1px solid var(--um-border-hi) !important;
  text-align: center !important;
  white-space: nowrap;
}

#data-table thead th:first-child {
  text-align: left !important;
  padding-left: 22px !important;
  position: sticky;
  left: 0;
  z-index: 6;
  background: var(--um-bg-3) !important;
  border-right: 1px solid var(--um-border) !important;
}

#data-table thead th:last-child {
  position: sticky;
  right: 0;
  z-index: 6;
  background: var(--um-bg-3) !important;
  border-left: 1px solid var(--um-border) !important;
}

#data-table tbody td {
  padding: 14px 12px !important;
  border-bottom: 1px solid var(--um-border) !important;
  color: var(--um-ink-1) !important;
  text-align: center !important;
  background: var(--um-surface) !important;
  vertical-align: middle !important;
  transition: background 0.15s ease;
}

#data-table tbody tr:last-child td { border-bottom: none !important; }

#data-table tbody tr:hover td {
  background: var(--um-surface-hi) !important;
}

/* Email cell — sticky left */
#data-table tbody td:first-child {
  text-align: left !important;
  padding-left: 22px !important;
  font-weight: 600 !important; /* คงความหนาไว้ให้ดูโดดเด่น */
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--um-surface) !important;
  border-right: 1px solid var(--um-border) !important;
  
  /* ✨ ปิดการใช้ฟอนต์ Monospace และสืบทอดฟอนต์ปกติแทน */
  font-family: inherit !important; 
  font-size: 13px !important; /* ปรับขนาดให้เท่ากับคอลัมน์อื่นๆ */
  
  letter-spacing: 0;
  color: var(--um-ink-1) !important;
  min-width: 240px;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#data-table tbody tr:hover td:first-child {
  background: var(--um-surface-hi) !important;
}

/* Highlight current user row */
#data-table tbody tr.um-row--me td {
  background: linear-gradient(90deg, rgba(52, 211, 153, 0.10), transparent 40%) !important;
}
#data-table tbody tr.um-row--me td:first-child {
  background: linear-gradient(90deg, rgba(52, 211, 153, 0.18), rgba(52, 211, 153, 0.04)) !important;
  color: var(--um-success) !important;
}
#data-table tbody tr.um-row--me td:first-child::after {
  content: "  YOU";
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  margin-left: 6px;
  background: var(--um-success);
  color: #06281b;
  border-radius: 999px;
  vertical-align: middle;
}

/* Role cell — Admin/User badges */
#data-table tbody td:nth-child(2) {
  font-weight: 700 !important;
  font-size: 11px !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase !important;
}

#data-table tbody td:nth-child(2) {
  position: relative;
}

/* We add badge styling via JS using class or via cell content wrapper.
   But to keep JS untouched, restyle the text cell directly: */
#data-table tbody tr td:nth-child(2) {
  color: var(--um-ink-2) !important;
}

/* Use child combinator with content via attribute trick? 
   We'll apply badges via JS-injected wrappers (added below). */

/* ==========================================================================
   PERMISSION CHECKBOXES — Modern toggle pills
   ========================================================================== */
#data-table tbody td input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: var(--um-bg-3);
  border: 1px solid var(--um-border);
  position: relative;
  cursor: pointer;
  transition: all 0.2s ease;
  margin: 0;
  vertical-align: middle;
  flex-shrink: 0;
}

#data-table tbody td input[type="checkbox"]::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 3px;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--um-ink-3);
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

#data-table tbody td input[type="checkbox"]:hover:not(:disabled) {
  border-color: var(--um-accent);
}

#data-table tbody td input[type="checkbox"]:checked {
  background: linear-gradient(135deg, var(--um-success), #16a34a);
  border-color: transparent;
  box-shadow: 0 0 0 3px var(--um-success-glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

#data-table tbody td input[type="checkbox"]:checked::before {
  left: 19px;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

#data-table tbody td input[type="checkbox"]:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* High-privilege checkboxes (Manage Users / Approve / Manage Media / Edit) — purple tint */
#data-table tbody td input[data-permission="canManageUsers"]:checked,
#data-table tbody td input[data-permission="canApproveDevices"]:checked,
#data-table tbody td input[data-permission="canManageMedia"]:checked,
#data-table tbody td input[data-permission="canEdit"]:checked {
  background: linear-gradient(135deg, var(--um-accent), var(--um-accent-2));
  box-shadow: 0 0 0 3px var(--um-accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   ACTION BUTTONS (Save / Delete)
   ========================================================================== */
#data-table tbody td:last-child {
  position: sticky;
  right: 0;
  z-index: 2;
  background: var(--um-surface) !important;
  border-left: 1px solid var(--um-border) !important;
  white-space: nowrap;
  min-width: 170px;
}

#data-table tbody tr:hover td:last-child {
  background: var(--um-surface-hi) !important;
}

#data-table tbody tr.um-row--me td:last-child {
  background: linear-gradient(90deg, transparent, rgba(52, 211, 153, 0.08)) !important;
}

#data-table tbody td .utility-btn {
  padding: 7px 14px !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase !important;
  border: none !important;
  border-radius: 6px !important;
  cursor: pointer;
  margin: 0 3px !important;
  transition: all 0.15s ease !important;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

#data-table tbody td .save-btn {
  color: #fff !important;
  background: linear-gradient(135deg, var(--um-success), #16a34a) !important;
  box-shadow: 0 3px 8px var(--um-success-glow) !important;
}

#data-table tbody td .save-btn::before {
  content: "\f0c7";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

#data-table tbody td .save-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px var(--um-success-glow) !important;
  filter: brightness(1.08);
}

#data-table tbody td .delete-btn {
  color: #fff !important;
  background: linear-gradient(135deg, var(--um-danger), #dc2626) !important;
  box-shadow: 0 3px 8px var(--um-danger-glow) !important;
}

#data-table tbody td .delete-btn::before {
  content: "\f2ed";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

#data-table tbody td .delete-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px var(--um-danger-glow) !important;
  filter: brightness(1.08);
}

#data-table tbody td .utility-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  filter: grayscale(0.4);
}

/* Empty/error state */
#data-table tbody td.error-cell,
#data-table tbody td[colspan] {
  text-align: center !important;
  padding: 50px 20px !important;
  color: var(--um-ink-3) !important;
  font-style: italic;
  background: var(--um-surface) !important;
  position: static !important;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer.main-footer {
  background: transparent !important;
  color: var(--um-ink-4) !important;
  text-align: center;
  padding: 30px 20px !important;
  font-size: 12px;
  border: none !important;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1100px) {
  .um-hero__inner { grid-template-columns: 1fr; }
  .um-hero__stats { min-width: 0; grid-template-columns: repeat(2, 1fr); }
  .um-hero { padding: 28px 24px; }
  .um-hero__title { font-size: 24px; }
}

@media (max-width: 720px) {
  main.container { padding: 0 16px 60px !important; }
  /* ✨ เพิ่ม 3 บรรทัดนี้เข้าไป เพื่อให้ทุกส่วนในมือถือมีขอบ 16px เท่ากัน */
  .um-hero { padding: 22px 0 72px; }
  .um-hero-inner { padding: 0 16px; }
  #main-navigation { padding: 0 16px; }
  .um-hero__mark { width: 56px; height: 56px; font-size: 24px; border-radius: 16px; }
  .um-hero__title { font-size: 20px; }
  .um-hero__title-wrap { gap: 14px; }
  .um-hero__stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .um-stat { padding: 11px 13px; }
  .um-stat__value { font-size: 20px; }
  details#add-user-section .form-grid { grid-template-columns: 1fr !important; }
  .um-toolbar { padding: 12px 16px; }
  .um-search { width: 100%; }
  #data-table { min-width: 1500px !important; }
}

/* ==========================================================================
   SWAL2 ALIGNMENT (when used)
   ========================================================================== */
.swal2-popup {
  background: var(--um-surface) !important;
  color: var(--um-ink-1) !important;
  border: 1px solid var(--um-border) !important;
  border-radius: var(--um-radius-lg) !important;
}
.swal2-title { color: var(--um-ink-1) !important; }
.swal2-html-container { color: var(--um-ink-2) !important; }
.swal2-confirm {
  background: linear-gradient(135deg, var(--um-accent), var(--um-accent-2)) !important;
  border-radius: var(--um-radius-sm) !important;
}

/* ==========================================================================
   NAVIGATION (สไตล์เดียวกับ Traffic)
   ========================================================================== */
#main-navigation {
  position: relative;
  z-index: 5;
  margin-left: auto;
  margin-right: auto;
  margin-top: -52px;
  margin-bottom: 24px;
  /* ✨ ปรับให้กว้างและขอบเท่ากับด้านบนและล่าง */
  max-width: 1480px; 
  padding: 0 32px; 
}

#main-navigation .main-nav {
  background: var(--um-surface);
  border-radius: 18px;
  box-shadow: var(--um-shadow-md);
  border: 1px solid var(--um-border);
  padding: 6px;
  overflow: hidden;
}

#main-navigation .main-nav ul {
  list-style: none; 
  margin: 0; 
  padding: 6px;
  display: flex; 
  gap: 4px;
  justify-content: flex-start;
  flex-wrap: wrap; /* ✨ อนุญาตให้ตกบรรทัดได้ถ้าจอบีบ */
}

#main-navigation .main-nav a {
  display: inline-flex; 
  align-items: center; 
  gap: 6px;
  padding: 9px 14px;
  border-radius: 10px;
  /* ✨ อัปเกรดตัวหนังสือให้เป๊ะแบบ Traffic */
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--um-ink-2);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

#main-navigation .main-nav a:hover { 
  background: var(--um-bg-2); 
  color: var(--um-ink-1); 
}

#main-navigation .main-nav a.active,
#main-navigation .main-nav a[aria-current="page"] {
  background: linear-gradient(135deg, var(--um-accent), var(--um-accent-2));
  color: #fff;
}

#main-navigation .main-nav a#logout-btn { 
  margin-left: auto; 
  color: var(--um-danger); 
}