/* ==============================================================================
   Admin Dashboard Theme — တရားသံ (Tayarthan)
   Clean, modern commercial UI/UX styling. No external CDN dependencies.
   ============================================================================== */

:root {
  --primary: #1e3c72;
  --primary-hover: #162c54;
  --secondary: #2a5298;
  --accent: #f39c12;
  --accent-hover: #d68910;
  --success: #27ae60;
  --danger: #e74c3c;
  --warning: #f1c40f;
  --info: #2980b9;
  
  --bg-main: #f4f6f9;
  --bg-surface: #ffffff;
  --bg-sidebar: #192a56;
  --text-sidebar: #dcdde1;
  --sidebar-active: #273c75;
  
  --text-dark: #2c3e50;
  --text-muted: #7f8c8d;
  --border-color: #e2e8f0;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
  
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Myanmar Text", "Pyidaungsu", Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-stack);
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 14px;
}

/* App Layout */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: all 0.3s ease;
  z-index: 100;
}

.sidebar-brand {
  padding: 20px 24px;
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-menu {
  list-style: none;
  padding: 16px 12px;
  flex-grow: 1;
  overflow-y: auto;
}

.menu-category {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.4);
  padding: 12px 12px 6px;
  font-weight: 600;
}

.sidebar-menu li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--text-sidebar);
  text-decoration: none;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.sidebar-menu li a:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.sidebar-menu li.active a {
  background-color: var(--sidebar-active);
  color: #ffffff;
  font-weight: 600;
  box-shadow: inset 4px 0 0 var(--accent);
}

/* Main Content Area */
.main-wrapper {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Top Navbar */
.topbar {
  height: 64px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  box-shadow: var(--shadow-sm);
}

.topbar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar-circle {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

/* Page Body */
.content-area {
  padding: 28px;
  flex-grow: 1;
}

/* Stats Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-surface);
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-dark);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-blue { background: #e8f4fd; color: #2980b9; }
.icon-orange { background: #fef5e7; color: #f39c12; }
.icon-green { background: #eafaf1; color: #27ae60; }
.icon-purple { background: #f4ecf7; color: #8e44ad; }

/* Content Cards & Tables */
.card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 24px;
}

/* Search Box & Filters */
.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.search-input {
  flex-grow: 1;
  min-width: 220px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background: #f8fafc;
  color: var(--text-dark);
  font-weight: 600;
  padding: 14px 16px;
  border-bottom: 2px solid var(--border-color);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: #fcfdfe;
}

/* Action Icons Required: Eye (View), Pencil (Edit), Trash can (Delete), Shield (Permissions) */
.action-buttons {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  color: var(--text-dark);
  transition: all 0.2s;
}

.btn-icon:hover {
  background: #f1f5f9;
}

.btn-icon.view-btn:hover { color: var(--info); border-color: var(--info); }
.btn-icon.edit-btn:hover { color: var(--accent); border-color: var(--accent); }
.btn-icon.delete-btn:hover { color: var(--danger); border-color: var(--danger); }
.btn-icon.shield-btn:hover { color: var(--primary); border-color: var(--primary); }

/* Badges & Tags */
.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c0392b; }

.btn-secondary { background: #e2e8f0; color: #475569; }
.btn-secondary:hover { background: #cbd5e1; }

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-dialog {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 520px;
  overflow: hidden;
  animation: modalEnter 0.2s ease-out;
}

@keyframes modalEnter {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: #f8fafc;
}