:root {
  --admin-primary: #0284c7;
  --admin-primary-hover: #0369a1;
  --admin-primary-light: #e0f2fe;
  --admin-accent: #0f766e;
  --admin-bg: #f8fafc;
  --admin-surface: #ffffff;
  --admin-surface-muted: #f1f5f9;
  --admin-border: #e2e8f0;
  --admin-border-subtle: #f1f5f9;
  --admin-text-main: #0f172a;
  --admin-text-body: #334155;
  --admin-text-muted: #64748b;
  --admin-sidebar-bg: #0f172a;
  --admin-sidebar-border: #1e293b;
  --admin-sidebar-text: #94a3b8;
  --admin-sidebar-w: 260px;
  --admin-sidebar-collapsed-w: 72px;
  --admin-radius: 12px;
  --admin-radius-sm: 8px;
  --admin-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --admin-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --admin-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

*, *::before, *::after {
  box-sizing: border-box;
}

body.admin-body {
  background-color: var(--admin-bg);
  color: var(--admin-text-body);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* -------------------------------------------------------------
   Top Navigation Bar (Sticky & Mobile Optimized)
   ------------------------------------------------------------- */
.admin-navbar {
  background-color: #ffffff !important;
  border-bottom: 1px solid var(--admin-border);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: var(--admin-shadow-sm);
  display: flex;
  align-items: center;
}

.admin-brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--admin-text-main) !important;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-icon-shield {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  font-size: 1.15rem;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.25);
  flex-shrink: 0;
}

/* Sidebar Toggle Button */
.nav-toggle-btn {
  background: #f8fafc;
  border: 1px solid var(--admin-border);
  color: var(--admin-text-main);
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 1.25rem;
}

.nav-toggle-btn:hover,
.nav-toggle-btn:focus {
  background-color: var(--admin-surface-muted);
  border-color: #cbd5e1;
  color: var(--admin-primary);
}

/* -------------------------------------------------------------
   Layout Structure & Collapsible Sidebar
   ------------------------------------------------------------- */
.admin-wrapper {
  display: flex;
  min-height: calc(100vh - 64px);
  position: relative;
}

.admin-sidebar {
  width: var(--admin-sidebar-w);
  background-color: var(--admin-sidebar-bg);
  border-right: 1px solid var(--admin-sidebar-border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem 0.85rem;
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s ease;
  z-index: 1040;
}

.sidebar-heading {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #64748b;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.25rem;
  white-space: nowrap;
}

.admin-nav-item {
  margin-bottom: 0.35rem;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  color: var(--admin-sidebar-text);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
  min-height: 44px; /* Touch target */
  transition: all 0.15s ease;
}

.admin-nav-link i {
  font-size: 1.2rem;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.admin-nav-link:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

.admin-nav-link.active {
  color: #ffffff;
  background: var(--admin-primary);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

/* Desktop Collapsed Sidebar State */
@media (min-width: 992px) {
  body.sidebar-collapsed .admin-sidebar {
    width: var(--admin-sidebar-collapsed-w);
    padding: 1.25rem 0.5rem;
  }
  body.sidebar-collapsed .admin-sidebar .sidebar-heading,
  body.sidebar-collapsed .admin-sidebar .nav-label,
  body.sidebar-collapsed .admin-sidebar .sidebar-footer-info {
    display: none !important;
  }
  body.sidebar-collapsed .admin-nav-link {
    justify-content: center;
    padding: 0.75rem 0;
    gap: 0;
  }
}

/* Mobile Sidebar Drawer */
@media (max-width: 991.98px) {
  .admin-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: -280px;
    width: 270px;
    height: 100vh;
    padding-top: 1.25rem;
    box-shadow: 10px 0 25px rgba(0, 0, 0, 0.25);
    z-index: 1050;
  }
  .admin-sidebar.mobile-open {
    left: 0;
  }
}

/* Backdrop for Mobile Drawer */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(3px);
  z-index: 1045;
}
.sidebar-backdrop.active {
  display: block;
}

/* -------------------------------------------------------------
   Main Content Area
   ------------------------------------------------------------- */
.admin-main {
  flex-grow: 1;
  padding: 1.75rem;
  background-color: var(--admin-bg);
  min-width: 0;
  width: 100%;
}

@media (max-width: 767.98px) {
  .admin-main {
    padding: 1rem;
  }
}

/* -------------------------------------------------------------
   Cards & Surfaces (Modern Light Aesthetic)
   ------------------------------------------------------------- */
.admin-card {
  background-color: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
  overflow: hidden;
}

.admin-card-header {
  padding: 1.15rem 1.35rem;
  background-color: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-card-body {
  padding: 1.35rem;
}

/* -------------------------------------------------------------
   Executive Metric Boxes
   ------------------------------------------------------------- */
.metric-box {
  padding: 1.25rem 1.35rem;
  border-radius: var(--admin-radius);
  background-color: var(--admin-surface);
  border: 1px solid var(--admin-border);
  box-shadow: var(--admin-shadow-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.metric-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--admin-shadow);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  flex-shrink: 0;
}

.metric-icon.blue {
  background: var(--admin-primary-light);
  color: var(--admin-primary);
}

.metric-icon.emerald {
  background: #dcfce7;
  color: #16a34a;
}

.metric-icon.amber {
  background: #fef3c7;
  color: #d97706;
}

.metric-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--admin-text-muted);
}

.metric-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--admin-text-main);
  line-height: 1.1;
  margin-top: 0.15rem;
}

.metric-subtitle {
  font-size: 0.78rem;
  color: var(--admin-text-muted);
  margin-top: 0.2rem;
}

/* -------------------------------------------------------------
   Tables (High Contrast & Crisp Visibility)
   ------------------------------------------------------------- */
.admin-table {
  color: var(--admin-text-main) !important;
  margin-bottom: 0;
  width: 100%;
}

.admin-table thead th {
  background-color: #f8fafc !important;
  color: #475569 !important;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.95rem 1.15rem;
  border-bottom: 1px solid var(--admin-border) !important;
  white-space: nowrap;
}

.admin-table tbody tr {
  transition: background-color 0.12s ease;
}

.admin-table tbody tr:hover {
  background-color: #f8fafc !important;
}

.admin-table tbody td {
  padding: 1rem 1.15rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--admin-border-subtle);
  color: var(--admin-text-main) !important;
  background-color: #ffffff;
  font-size: 0.92rem;
}

/* -------------------------------------------------------------
   Mobile Query Cards (< 768px Viewport)
   ------------------------------------------------------------- */
.mobile-query-card {
  background-color: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 1.15rem;
  margin-bottom: 0.85rem;
  box-shadow: var(--admin-shadow-sm);
  transition: box-shadow 0.15s ease;
}

.mobile-query-card:hover {
  box-shadow: var(--admin-shadow);
}

.mobile-query-card .header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.mobile-query-card .client-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--admin-text-main);
}

.mobile-query-card .contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.88rem;
  margin-bottom: 0.75rem;
}

.mobile-query-card .msg-snippet {
  background-color: #f8fafc;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 0.88rem;
  color: var(--admin-text-body);
  line-height: 1.5;
  margin-bottom: 0.85rem;
}

/* -------------------------------------------------------------
   Forms & Inputs
   ------------------------------------------------------------- */
.auth-input,
.admin-input {
  background-color: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
  color: #0f172a !important;
  border-radius: 8px !important;
  padding: 0.65rem 0.95rem !important;
  font-size: 0.92rem !important;
  min-height: 42px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-input:focus,
.admin-input:focus {
  border-color: #0284c7 !important;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15) !important;
  outline: none !important;
}

.auth-input::placeholder,
.admin-input::placeholder {
  color: #94a3b8 !important;
}

/* -------------------------------------------------------------
   Modals & Popups
   ------------------------------------------------------------- */
.modal-admin-content {
  background-color: #ffffff !important;
  border: 1px solid var(--admin-border) !important;
  border-radius: 14px !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
  color: var(--admin-text-main) !important;
}

.modal-admin-header {
  border-bottom: 1px solid var(--admin-border) !important;
  padding: 1.15rem 1.35rem;
}

.modal-admin-body {
  padding: 1.35rem;
}

.modal-admin-footer {
  border-top: 1px solid var(--admin-border) !important;
  padding: 1rem 1.35rem;
  background-color: #f8fafc;
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
}

/* Status Badges */
.badge-status-live {
  background-color: #dcfce7;
  color: #15803d;
  border: 1px solid #bbf7d0;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Auth Cards */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.auth-card {
  width: 100%;
  max-width: 430px;
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: 16px;
  padding: 2.25rem;
  box-shadow: var(--admin-shadow-lg);
}

@media (max-width: 575.98px) {
  .auth-card {
    padding: 1.5rem 1.25rem;
  }
}