/* =====================================================
   ISB DATABASE — Custom Stylesheet
   Color Palette (from VAmbassador reference):
     Primary Cyan/Teal : #00BCD4
     Primary Dark      : #0097A7
     Navy Blue          : #1B3A5F
     Navy Dark          : #122842
     Light Background   : #F4F6F9
     Card White         : #FFFFFF
     Text Dark          : #2C3E50
     Text Muted         : #7B8A9A
     Border Light       : #E0E6ED
     Success            : #27AE60
     Warning            : #F39C12
     Danger             : #E74C3C
   ===================================================== */

/* ---------- Google Font ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --primary: #00BCD4;
  --primary-dark: #0097A7;
  --primary-light: #B2EBF2;
  --primary-subtle: #E0F7FA;
  --navy: #1B3A5F;
  --navy-dark: #122842;
  --navy-light: #2C5282;
  --bg-body: #F4F6F9;
  --bg-card: #FFFFFF;
  --text-dark: #2C3E50;
  --text-muted: #7B8A9A;
  --text-light: #A0AEC0;
  --border: #E0E6ED;
  --border-light: #EDF2F7;
  --success: #27AE60;
  --warning: #F39C12;
  --danger: #E74C3C;
  --info: #3498DB;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, .1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all .25s ease;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-body);
  color: var(--text-dark);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-dark);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--navy);
}

/* ---------- Sidebar ---------- */
.sidebar {
  background: linear-gradient(180deg, var(--navy-dark) 0%, var(--navy) 100%);
  min-height: calc(100vh - 56px);
  padding: 20px 0;
  position: fixed;
  width: 250px;
  top: 0;
  left: 0;
  z-index: 1040;
  padding-top: 70px;
  transition: var(--transition);
  overflow-y: auto;
}

.sidebar .sidebar-brand {
  padding: 0 20px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  margin-bottom: 10px;
}

.sidebar .sidebar-brand h5 {
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar .sidebar-brand .brand-badge {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
}

.sidebar .sidebar-brand small {
  color: var(--text-light);
  font-size: 11px;
  display: block;
  margin-top: 4px;
  padding-left: 44px;
}

.sidebar .nav-section {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: rgba(255, 255, 255, .35);
  padding: 14px 20px 6px;
  font-weight: 600;
}

.sidebar .nav-link {
  color: rgba(255, 255, 255, .7);
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 3px solid transparent;
  transition: var(--transition);
}

.sidebar .nav-link i {
  width: 20px;
  text-align: center;
  font-size: 15px;
  opacity: .75;
}

.sidebar .nav-link:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff;
  border-left-color: var(--primary);
}

.sidebar .nav-link.active {
  background: rgba(0, 188, 212, .1);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}

.sidebar .nav-link.active i {
  opacity: 1;
}

/* Main content offset for sidebar */
.main-content {
  margin-left: 250px;
  padding: 24px 28px;
  min-height: calc(100vh - 56px);
  transition: var(--transition);
}

/* ---------- Main Navbar (Mobile) ---------- */
.navbar-main {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 0;
}

.navbar-main .navbar-brand {
  font-weight: 800;
  font-size: 20px;
  color: var(--navy);
  letter-spacing: -.3px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
}

.navbar-main .navbar-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--navy));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
}

/* ---------- Page Header ---------- */
.page-header {
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin: 0;
}

.page-header .breadcrumb {
  background: transparent;
  padding: 0;
  margin: 4px 0 0;
  font-size: 12.5px;
}

.page-header .breadcrumb-item a {
  color: var(--text-muted);
}

.page-header .breadcrumb-item.active {
  color: var(--primary-dark);
}

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  background: var(--bg-card);
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  padding: 16px 20px;
  font-weight: 600;
  font-size: 15px;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-body {
  padding: 20px;
}

/* ---------- Stat Widgets ---------- */
.stat-card {
  border: none;
  border-radius: var(--radius-md);
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 125px;
}

.stat-card-link {
  display: block;
  text-decoration: none !important;
  color: inherit !important;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  opacity: .08;
  transform: translate(30%, -30%);
  background: #fff;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.stat-card.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.stat-card.navy {
  background: linear-gradient(135deg, var(--navy), var(--navy-dark));
  color: #fff;
}

.stat-card.success {
  background: linear-gradient(135deg, var(--success), #1e8449);
  color: #fff;
}

.stat-card.warning {
  background: linear-gradient(135deg, var(--warning), #e67e22);
  color: #fff;
}

.stat-card.info {
  background: linear-gradient(135deg, var(--info), #2980b9);
  color: #fff;
}

.stat-card.danger {
  background: linear-gradient(135deg, var(--danger), #c0392b);
  color: #fff;
}

.stat-card .stat-icon {
  font-size: 28px;
  opacity: .85;
  margin-bottom: 10px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
}

.stat-card .stat-label {
  font-size: 12px;
  opacity: .85;
  letter-spacing: .3px;
  margin-top: 4px;
  text-transform: uppercase;
  font-weight: 500;
}

/* ---------- Tables ---------- */
.table-container {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table {
  margin: 0;
  font-size: 13.5px;
}

.table thead th {
  background: var(--navy);
  color: #fff;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 12px 16px;
  border: none;
  white-space: nowrap;
}

.table tbody td {
  padding: 12px 16px;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-dark);
}

.table tbody tr:hover {
  background: var(--primary-subtle);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- Badges ---------- */
.badge-status {
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .3px;
}

.badge-active {
  background: rgba(39, 174, 96, .12);
  color: var(--success);
}

.badge-inactive {
  background: rgba(243, 156, 18, .12);
  color: var(--warning);
}

.badge-terminated {
  background: rgba(231, 76, 60, .12);
  color: var(--danger);
}

.badge-unknown {
  background: rgba(123, 138, 154, .12);
  color: var(--text-muted);
}

.badge-gender {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
}

.badge-gender-m {
  background: rgba(52, 152, 219, .12);
  color: var(--info);
}

.badge-gender-f {
  background: rgba(231, 76, 60, .08);
  color: #c0392b;
}

.badge-yes {
  background: rgba(39, 174, 96, .12);
  color: var(--success);
}

.badge-no {
  background: rgba(123, 138, 154, .08);
  color: var(--text-muted);
}

.badge-region {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  background: var(--primary-subtle);
  color: var(--primary-dark);
}

/* ---------- Buttons ---------- */
.btn {
  font-weight: 500;
  font-size: 13.5px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none;
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--navy));
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 188, 212, .3);
}

.btn-navy {
  background: linear-gradient(135deg, var(--navy), var(--navy-dark));
  border: none;
  color: #fff;
}

.btn-navy:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(27, 58, 95, .3);
}

.btn-outline-primary {
  border: 1.5px solid var(--primary);
  color: var(--primary-dark);
  background: transparent;
}

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

.btn-sm {
  padding: 5px 12px;
  font-size: 12.5px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

/* ---------- Forms ---------- */
.form-control,
.form-select {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13.5px;
  transition: var(--transition);
  color: var(--text-dark);
  background: var(--bg-card);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 188, 212, .12);
}

.form-label {
  font-weight: 500;
  font-size: 13px;
  color: var(--navy);
  margin-bottom: 6px;
}

.input-group-text {
  background: var(--bg-body);
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  font-size: 13.5px;
}

/* ---------- Filter Bar ---------- */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

/* ---------- Profile View ---------- */
.profile-header {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 32px 28px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.profile-header::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -30px;
  width: 160px;
  height: 160px;
  background: rgba(0, 188, 212, .15);
  border-radius: 50%;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  border: 3px solid rgba(255, 255, 255, .3);
}

.profile-name {
  font-size: 22px;
  font-weight: 700;
  margin: 12px 0 2px;
}

.profile-idid {
  opacity: .75;
  font-size: 13px;
}

.profile-detail-row {
  display: flex;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}

.profile-detail-row:last-child {
  border-bottom: none;
}

.profile-detail-label {
  width: 180px;
  flex-shrink: 0;
  font-weight: 500;
  color: var(--text-muted);
  font-size: 13px;
}

.profile-detail-value {
  font-size: 13.5px;
  color: var(--text-dark);
}

/* ---------- Alerts ---------- */
.alert {
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  border: none;
}

.alert-danger {
  background: #fdecea;
  color: var(--danger);
}

.alert-success {
  background: #eafaf1;
  color: var(--success);
}

.alert-warning {
  background: #fef9e7;
  color: #b7950b;
}

.alert-info {
  background: var(--primary-subtle);
  color: var(--primary-dark);
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: .3;
}

.empty-state h5 {
  font-weight: 600;
  color: var(--text-dark);
}

.empty-state p {
  font-size: 13px;
}

/* ---------- Footer ---------- */
.app-footer {
  margin-left: 250px;
  padding: 16px 28px;
  border-top: 1px solid var(--border-light);
  background: var(--bg-card);
  font-size: 12px;
  color: var(--text-muted);
  transition: var(--transition);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn .35s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp .4s ease-out;
}

/* ---------- Utilities ---------- */
.text-primary {
  color: var(--primary-dark) !important;
}

.text-navy {
  color: var(--navy) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

.bg-primary-subtle {
  background: var(--primary-subtle) !important;
}

/* ---------- Export Field Selector ---------- */
.export-field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.export-field-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.export-field-item:hover {
  border-color: var(--primary);
  background: var(--primary-subtle);
}

.export-field-item input[type="checkbox"] {
  accent-color: var(--primary);
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
    width: 260px;
    z-index: 1050;
  }

  .sidebar.show {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 16px;
  }

  .app-footer {
    margin-left: 0;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    z-index: 1045;
  }

  .sidebar-overlay.show {
    display: block;
  }
}

@media (max-width: 768px) {
  .page-header h1 {
    font-size: 18px;
  }

  .stat-card .stat-value {
    font-size: 22px;
  }

  .table {
    font-size: 12.5px;
  }

  .card-body {
    padding: 16px;
  }

  .filter-bar {
    padding: 12px 14px;
  }
}

@media (max-width: 576px) {
  .profile-header {
    padding: 24px 20px;
  }

  .profile-avatar {
    width: 64px;
    height: 64px;
    font-size: 22px;
  }

  .profile-name {
    font-size: 18px;
  }

  .profile-detail-row {
    flex-direction: column;
    gap: 2px;
  }

  .profile-detail-label {
    width: auto;
  }
}