/* =============================================
   Karvaan Labs Admin Portal - Professional Design System v2
   Uses a collapsible sidebar layout with clean card-based UI
   ============================================= */

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

/* --- CSS Variables (Admin Theme) --- */
:root {
  --admin-sidebar-width: 240px;
  --admin-sidebar-collapsed: 60px;
  --admin-bg: #F4F8FC;
  --admin-sidebar-bg: #04044A;
  --admin-sidebar-border: #000675;
  --admin-navbar-height: 60px;
  --admin-card-bg: #FFFFFF;
  --admin-card-border: #E0ECF8;
  --admin-card-radius: 10px;
  --admin-card-shadow: 0 1px 4px rgba(4,4,74,0.06), 0 0 1px rgba(4,4,74,0.03);

  --admin-accent: #0066FF;
  --admin-accent-light: #EAF4FF;
  --admin-accent-hover: #0052CC;

  --admin-green: #059669;
  --admin-green-light: #ECFDF5;
  --admin-amber: #D97706;
  --admin-amber-light: #FFFBEB;
  --admin-red: #DC2626;
  --admin-red-light: #FEF2F2;
  --admin-blue: #00A4FF;
  --admin-blue-light: #E6F5FF;

  --admin-text-primary: #04044A;
  --admin-text-secondary: #1B2A59;
  --admin-text-muted: #52698F;
  --admin-text-inverse: #FFFFFF;

  --admin-sidebar-text: #8CA8D1;
  --admin-sidebar-active: #FFFFFF;
  --admin-sidebar-active-bg: linear-gradient(90deg, rgba(0, 102, 255, 0.4) 0%, rgba(0, 164, 255, 0.25) 100%);
  --admin-sidebar-hover-bg: rgba(255,255,255,0.08);

  --transition: 0.2s ease;

  /* ---- Legacy variable aliases for admin.js ---- */
  --text-primary: #04044A;
  --text-secondary: #1B2A59;
  --text-muted: #52698F;
  --bg-subtle: #EDF4FC;
  --success-green: #059669;
  --accent-purple: #0066FF;
  --brand-primary: #0066FF;
}

/* =============================================
   Base Reset for Admin
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body.admin-body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--admin-bg);
  color: var(--admin-text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* =============================================
   Legacy Class Shims (compatibility for admin.js injected HTML)
   ============================================= */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.badge-purple,
.badge-blue    { background: #EAF4FF; color: #0066FF; }
.badge-sky     { background: rgba(0, 164, 255, 0.12); color: #0068A6; }
.badge-success { background: #ECFDF5; color: #059669; }
.badge-neutral { background: #EDF4FC; color: #52698F; }
.badge-green   { background: #ECFDF5; color: #059669; }
.badge-red     { background: #FEF2F2; color: #DC2626; }
.badge-amber   { background: #FFFBEB; color: #D97706; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  padding: 7px 14px;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary   { background: #0066FF; color: #fff; border-color: #0066FF; }
.btn-primary:hover { background: #0052CC; border-color: #0052CC; }
.btn-secondary { background: #fff; color: #1B2A59; border-color: #B8D5F2; }
.btn-secondary:hover { background: #EDF4FC; }
.btn-sm        { font-size: 0.72rem; padding: 5px 10px; }
.btn:disabled  { opacity: 0.5; cursor: not-allowed; }

/* =============================================
   Admin App Shell: Sidebar + Content Area
   ============================================= */
.admin-app {
  display: flex;
  min-height: 100vh;
}

/* =============================================
   Sidebar Navigation
   ============================================= */
.admin-sidebar {
  width: var(--admin-sidebar-width);
  background-color: var(--admin-sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: width var(--transition), transform var(--transition);
  overflow: hidden;
}

.admin-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  height: var(--admin-navbar-height);
  border-bottom: 1px solid var(--admin-sidebar-border);
  text-decoration: none;
  flex-shrink: 0;
}

.admin-sidebar-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: var(--admin-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.admin-sidebar-brand .brand-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--admin-text-inverse);
  white-space: nowrap;
  line-height: 1.2;
}

.admin-sidebar-brand .brand-sub {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--admin-text-muted);
  display: block;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.admin-nav {
  flex: 1;
  padding: 16px 8px;
  overflow-y: auto;
  overflow-x: hidden;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-nav-section-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--admin-text-muted);
  padding: 8px 12px 4px;
  white-space: nowrap;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--admin-sidebar-text);
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.admin-nav-link:hover {
  background: var(--admin-sidebar-hover-bg);
  color: var(--admin-text-inverse);
}

.admin-nav-link.active {
  background: var(--admin-sidebar-active-bg);
  color: var(--admin-sidebar-active);
  font-weight: 600;
}

.admin-nav-link .nav-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.admin-nav-link .nav-icon i[data-lucide],
.admin-nav-link .nav-icon svg.lucide {
  width: 17px;
  height: 17px;
  stroke-width: 2px;
}

.admin-nav-link .nav-badge {
  margin-left: auto;
  background: var(--admin-accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
}

.admin-sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--admin-sidebar-border);
}

/* =============================================
   Main Content Area
   ============================================= */
.admin-content {
  margin-left: var(--admin-sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition);
}

/* =============================================
   Top Topbar
   ============================================= */
.admin-topbar {
  height: var(--admin-navbar-height);
  background: var(--admin-card-bg);
  border-bottom: 1px solid var(--admin-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.admin-topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-topbar-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--admin-text-primary);
}

.admin-topbar-subtitle {
  font-size: 0.75rem;
  color: var(--admin-text-muted);
}

.admin-topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--admin-text-secondary);
  font-size: 1.25rem;
  padding: 4px;
}

/* =============================================
   Page Content
   ============================================= */
.admin-page {
  padding: 24px;
  flex: 1;
}

/* =============================================
   Section Titles
   ============================================= */
.admin-section-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--admin-text-primary);
  margin-bottom: 4px;
}

.admin-section-desc {
  font-size: 0.82rem;
  color: var(--admin-text-muted);
  margin-bottom: 20px;
}

/* =============================================
   Stats Grid
   ============================================= */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.admin-stat-card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-card-border);
  border-radius: var(--admin-card-radius);
  box-shadow: var(--admin-card-shadow);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.admin-stat-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15,23,42,0.1);
}

.admin-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.admin-stat-icon.purple { background: var(--admin-accent-light); color: var(--admin-accent); }
.admin-stat-icon.green  { background: var(--admin-green-light); color: var(--admin-green); }
.admin-stat-icon.amber  { background: var(--admin-amber-light); color: var(--admin-amber); }
.admin-stat-icon.blue   { background: var(--admin-blue-light); color: var(--admin-blue); }
.admin-stat-icon.red    { background: var(--admin-red-light); color: var(--admin-red); }

.admin-stat-icon i[data-lucide],
.admin-stat-icon svg.lucide {
  width: 22px;
  height: 22px;
  stroke-width: 2.2px;
}

.admin-stat-info {
  flex: 1;
  min-width: 0;
}

.admin-stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--admin-text-muted);
  margin-bottom: 4px;
}

.admin-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--admin-text-primary);
  line-height: 1;
}

.admin-stat-link {
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--admin-accent);
  margin-top: 6px;
  display: inline-block;
  text-decoration: none;
}

.admin-stat-link:hover { color: var(--admin-accent-hover); }

/* =============================================
   Admin Cards
   ============================================= */
.admin-card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-card-border);
  border-radius: var(--admin-card-radius);
  box-shadow: var(--admin-card-shadow);
  overflow: hidden;
}

.admin-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--admin-card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--admin-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-card-body {
  padding: 20px;
}

/* =============================================
   Admin Tables
   ============================================= */
.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.admin-table thead th {
  background: #F8FAFC;
  color: var(--admin-text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 16px;
  border-bottom: 1px solid var(--admin-card-border);
  white-space: nowrap;
  text-align: left;
}

.admin-table tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid #F1F5F9;
  color: var(--admin-text-primary);
  vertical-align: middle;
}

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

.admin-table tbody tr:hover td {
  background: #F8FAFC;
}

/* =============================================
   Badges / Status Pills
   ============================================= */
.admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.admin-badge.green  { background: var(--admin-green-light); color: var(--admin-green); }
.admin-badge.red    { background: var(--admin-red-light); color: var(--admin-red); }
.admin-badge.amber  { background: var(--admin-amber-light); color: var(--admin-amber); }
.admin-badge.blue   { background: var(--admin-blue-light); color: var(--admin-blue); }
.admin-badge.purple { background: var(--admin-accent-light); color: var(--admin-accent); }
.admin-badge.gray   { background: #F1F5F9; color: var(--admin-text-muted); }

/* =============================================
   Forms & Toolbar
   ============================================= */
.admin-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 20px;
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-card-border);
  border-radius: var(--admin-card-radius);
  box-shadow: var(--admin-card-shadow);
  margin-bottom: 16px;
}

.admin-form-control {
  border: 1px solid #CBD5E1;
  border-radius: 7px;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-family: 'Inter', sans-serif;
  background: #fff;
  color: var(--admin-text-primary);
  transition: border-color 0.15s;
  outline: none;
  width: 100%;
}

.admin-form-control:focus {
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

.admin-form-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--admin-text-secondary);
  margin-bottom: 4px;
  display: block;
}

.admin-form-group { margin-bottom: 16px; }

/* =============================================
   Buttons
   ============================================= */
.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  padding: 8px 16px;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), opacity var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

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

.admin-btn-secondary {
  background: #fff;
  color: var(--admin-text-secondary);
  border-color: #CBD5E1;
}
.admin-btn-secondary:hover { background: #F8FAFC; color: var(--admin-text-primary); }

.admin-btn-success {
  background: var(--admin-green);
  color: #fff;
  border-color: var(--admin-green);
}
.admin-btn-success:hover { background: #047857; }

.admin-btn-danger {
  background: var(--admin-red);
  color: #fff;
  border-color: var(--admin-red);
}
.admin-btn-danger:hover { background: #b91c1c; }

.admin-btn-sm {
  font-size: 0.72rem;
  padding: 5px 10px;
}

.admin-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* =============================================
   Modals
   ============================================= */
.admin-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.admin-modal-overlay.open,
.admin-modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.admin-modal {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(15,23,42,0.2);
  transform: translateY(8px);
  transition: transform 0.2s ease;
}

.admin-modal-overlay.open .admin-modal,
.admin-modal-overlay.active .admin-modal { transform: translateY(0); }

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

.admin-modal-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--admin-text-primary);
}

.admin-modal-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--admin-text-muted);
  padding: 4px;
  line-height: 1;
  border-radius: 4px;
  transition: color 0.15s;
}

.admin-modal-close:hover { color: var(--admin-red); }

.admin-modal-body {
  padding: 24px;
  overflow-y: auto;
}

.admin-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--admin-card-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* =============================================
   Log Items (Audit/Email logs)
   ============================================= */
.log-item {
  padding: 12px 16px;
  border-bottom: 1px solid #F1F5F9;
  font-size: 0.8rem;
}

.log-item:last-child { border-bottom: none; }

.log-item-title {
  font-weight: 600;
  color: var(--admin-text-primary);
  margin-bottom: 2px;
}

.log-meta {
  font-size: 0.7rem;
  color: var(--admin-text-muted);
}

/* =============================================
   Mobile Sidebar Overlay
   ============================================= */
.admin-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.5);
  z-index: 99;
}

/* =============================================
   Utility Classes
   ============================================= */
.admin-flex { display: flex; }
.admin-items-center { align-items: center; }
.admin-justify-between { justify-content: space-between; }
.admin-gap-2 { gap: 8px; }
.admin-gap-3 { gap: 12px; }
.admin-mt-4 { margin-top: 16px; }
.admin-mb-4 { margin-bottom: 16px; }
.admin-grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.admin-text-muted { color: var(--admin-text-muted); font-size: 0.8rem; }
.admin-text-center { text-align: center; }
.admin-w-full { width: 100%; }

/* Score circle */
.score-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 700;
}

.score-circle.high { background: var(--admin-green-light); color: var(--admin-green); }
.score-circle.mid  { background: var(--admin-amber-light); color: var(--admin-amber); }
.score-circle.low  { background: var(--admin-red-light); color: var(--admin-red); }

/* Avatar */
.admin-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--admin-accent-light);
  color: var(--admin-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* =============================================
   Responsive Breakpoints
   ============================================= */
@media (max-width: 1024px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-overlay.open {
    display: block;
  }

  .admin-content {
    margin-left: 0;
  }

  .admin-mobile-toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .admin-page { padding: 16px; }
  .admin-stats-grid { grid-template-columns: 1fr 1fr; }
  .admin-stat-value { font-size: 1.5rem; }
  .admin-topbar { padding: 0 16px; }
  .admin-card-header { padding: 14px 16px; }
  .admin-modal { max-width: 100%; max-height: 100%; border-radius: 0; }
  .admin-grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 400px) {
  .admin-stats-grid { grid-template-columns: 1fr; }
}

/* =============================================
   Missing badge variants (used by utils.js getStatusBadgeHtml)
   ============================================= */
.badge-danger  { background: #FEF2F2; color: #DC2626; }
.badge-warning { background: #FFFBEB; color: #D97706; }

/* =============================================
   Toast Notification System
   ============================================= */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: #04044A;
  color: #F8FAFC;
  padding: 12px 18px;
  border-radius: 9px;
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(4,4,74,0.25);
  min-width: 240px;
  max-width: 360px;
  border-left: 4px solid #0066FF;
  border: 1px solid rgba(0, 164, 255, 0.2);
  border-left: 4px solid #0066FF;
  opacity: 1;
  transition: opacity 0.25s ease;
  pointer-events: all;
}

.toast-success { border-left-color: #059669; }
.toast-danger  { border-left-color: #DC2626; }
.toast-info    { border-left-color: #00A4FF; }
.toast-warning { border-left-color: #D97706; }