/* ==========================================================================
   ZevX Store — Fullscreen Admin ERP-Lite Stylesheet
   Architecture: Shopify Polaris & TailAdmin inspired, WCAG AA compliant.
   Strict rule: Zero indiscriminate transitions, supports prefers-reduced-motion.
   ========================================================================== */

:root {
  --admin-sidebar-w: 260px;
  --admin-topbar-h: 64px;
  --admin-bg: #F8FAFC;
  --admin-sidebar-bg: #0F172A;
  --admin-sidebar-text: #94A3B8;
  --admin-sidebar-hover: #1E293B;
  --admin-sidebar-active: #7C3AED;
  --admin-card-bg: #FFFFFF;
  --admin-border: #E2E8F0;
  --admin-border-subtle: #F1F5F9;
  --admin-text-main: #0F172A;
  --admin-text-muted: #64748B;
  --admin-primary: #7C3AED;
  --admin-primary-hover: #6D28D9;
}

/* Reset & Base for Admin */
.admin-body {
  margin: 0;
  padding: 0;
  background-color: var(--admin-bg);
  color: var(--admin-text-main);
  font-family: var(--zs-font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Auth Gate States */
.admin-gate-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background-color: #0B0F19;
  color: #F8FAFC;
}

.admin-gate-card {
  width: 100%;
  max-width: 440px;
  background-color: #111827;
  border: 1px solid #1F2937;
  border-radius: var(--zs-radius-xl);
  padding: 2.25rem 2rem;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.admin-gate-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.15);
  color: #A78BFA;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
}

.admin-gate-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 0.5rem;
}

.admin-gate-desc {
  font-size: 0.9rem;
  color: #9CA3AF;
  line-height: 1.5;
  margin: 0 0 1.5rem;
}

.admin-gate-form {
  text-align: left;
}

.admin-gate-form .zs-input {
  background-color: #1F2937;
  border-color: #374151;
  color: #F9FAFB;
}

.admin-gate-form .zs-input:focus {
  border-color: #8B5CF6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

.admin-gate-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* Admin Application Layout */
.admin-app {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
}

/* Sidebar */
.admin-sidebar {
  width: var(--admin-sidebar-w);
  background-color: var(--admin-sidebar-bg);
  color: var(--admin-sidebar-text);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  border-right: 1px solid #1E293B;
  transition: transform 0.25s var(--zs-ease);
}

.admin-sidebar-brand {
  height: var(--admin-topbar-h);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #1E293B;
}

.admin-brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.1rem;
}

.admin-brand-badge {
  font-size: 0.65rem;
  padding: 0.15rem 0.45rem;
  background-color: rgba(124, 58, 237, 0.25);
  color: #C4B5FD;
  border: 1px solid rgba(124, 58, 237, 0.4);
  border-radius: 9999px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-sidebar-close {
  display: none;
  background: none;
  border: none;
  color: #94A3B8;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

.admin-sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.admin-nav-group-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #64748B;
  padding: 0 0.75rem 0.35rem;
}

.admin-nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  border-radius: var(--zs-radius-md);
  border: none;
  background: none;
  color: #94A3B8;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.admin-nav-item:hover {
  background-color: var(--admin-sidebar-hover);
  color: #F8FAFC;
}

.admin-nav-item.active {
  background-color: rgba(124, 58, 237, 0.18);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: inset 3px 0 0 0 #A78BFA;
}

.admin-nav-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.admin-sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid #1E293B;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background-color: #090D16;
}

.admin-user-pill {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.admin-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #7C3AED;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.admin-user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-user-name {
  font-size: 0.825rem;
  font-weight: 600;
  color: #F8FAFC;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-user-role {
  font-size: 0.7rem;
  color: #A78BFA;
}

.admin-sidebar-actions {
  display: flex;
  gap: 0.5rem;
}

.admin-sidebar-btn {
  flex: 1;
  padding: 0.4rem 0.5rem;
  font-size: 0.75rem;
  text-decoration: none;
  text-align: center;
  border-radius: var(--zs-radius-sm);
  background: #1E293B;
  color: #CBD5E1;
  border: 1px solid #334155;
  transition: background-color 0.15s ease, color 0.15s ease;
  cursor: pointer;
}

.admin-sidebar-btn:hover {
  background: #334155;
  color: #FFFFFF;
}

/* Main Area Wrapper */
.admin-main-wrapper {
  margin-left: var(--admin-sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: calc(100% - var(--admin-sidebar-w));
}

/* Topbar */
.admin-topbar {
  height: var(--admin-topbar-h);
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--admin-border);
  padding: 0 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

.admin-topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.admin-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--admin-text-main);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
}

.admin-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--admin-text-muted);
}

.admin-breadcrumbs a {
  color: var(--admin-text-muted);
  text-decoration: none;
}

.admin-breadcrumbs a:hover {
  color: var(--admin-primary);
}

.admin-breadcrumbs .current {
  color: var(--admin-text-main);
  font-weight: 600;
}

.admin-topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.admin-status-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  background-color: #ECFDF5;
  color: #047857;
  font-size: 0.75rem;
  font-weight: 600;
}

.admin-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10B981;
}

/* Main Workspace */
.admin-workspace {
  flex: 1;
  padding: 2rem 2rem 4rem;
  max-width: 1600px;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
}

/* Page Header & Toolbar */
.admin-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.admin-page-title-group h1 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--admin-text-main);
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

.admin-page-title-group p {
  font-size: 0.9rem;
  color: var(--admin-text-muted);
  margin: 0;
}

.admin-page-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* KPI Metrics Grid */
.admin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.admin-kpi-card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--zs-radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.admin-kpi-card:hover {
  box-shadow: 0 6px 16px -2px rgba(0, 0, 0, 0.06);
  border-color: #CBD5E1;
}

.admin-kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

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

.admin-kpi-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: var(--zs-radius-md);
  background-color: rgba(124, 58, 237, 0.08);
  color: var(--admin-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.admin-kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--admin-text-main);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

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

/* Cards & Section Containers */
.admin-card {
  background-color: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--zs-radius-lg);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
  margin-bottom: 2rem;
  overflow: hidden;
}

.admin-card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--admin-text-main);
  margin: 0;
}

.admin-card-desc {
  font-size: 0.85rem;
  color: var(--admin-text-muted);
  margin: 0.25rem 0 0;
}

.admin-card-body {
  padding: 1.5rem;
}

/* Data Tables */
.admin-table-container {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.admin-table th {
  background-color: #F8FAFC;
  color: #475569;
  font-weight: 600;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}

.admin-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--admin-border-subtle);
  color: #1E293B;
  vertical-align: middle;
}

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

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

/* Table Controls Toolbar */
.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.admin-toolbar-search {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  max-width: 480px;
}

.admin-toolbar-filters {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Badges */
.admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.badge-success {
  background-color: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.badge-warning {
  background-color: #FFFBEB;
  color: #92400E;
  border: 1px solid #FDE68A;
}

.badge-danger {
  background-color: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

.badge-purple {
  background-color: #F3E8FF;
  color: #6B21A8;
  border: 1px solid #DDD6FE;
}

.badge-neutral {
  background-color: #F1F5F9;
  color: #475569;
  border: 1px solid #E2E8F0;
}

/* Action Button Rows in Tables */
.admin-table-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Pagination Footer */
.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--admin-border);
  font-size: 0.85rem;
  color: var(--admin-text-muted);
}

.admin-page-btns {
  display: flex;
  gap: 0.5rem;
}

/* Sidebar Backdrop on Mobile */
.admin-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: 90;
}

/* Mobile & Tablet Responsiveness */
@media (max-width: 1024px) {
  :root {
    --admin-sidebar-w: 260px;
  }

  .admin-sidebar {
    transform: translateX(-100%);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
  }

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

  .admin-sidebar-close {
    display: block;
  }

  .admin-main-wrapper {
    margin-left: 0;
    width: 100%;
  }

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

  .admin-sidebar-overlay.active {
    display: block;
  }

  .admin-workspace {
    padding: 1.25rem 1rem 3rem;
  }
}

@media (max-width: 640px) {
  .admin-page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-page-actions {
    width: 100%;
  }

  .admin-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-toolbar-search {
    max-width: 100%;
  }

  .admin-kpi-grid {
    grid-template-columns: 1fr;
  }
}

/* Utility Classes for Strict CSP Compliance */
.admin-actions-mt-1 {
  margin-top: 1rem;
}

.admin-actions-mt-15 {
  margin-top: 1.5rem;
}

.admin-search-row {
  display: flex;
  gap: 0.5rem;
}

.admin-card-mt-0 {
  margin-top: 0;
}

.admin-system-invariants-list {
  line-height: 1.8;
  color: #334155;
  padding-left: 1.25rem;
  margin: 0;
}

.admin-table-thumb {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid #E2E8F0;
}

.admin-sub-id {
  font-size: 0.75rem;
  color: #64748B;
}

.admin-cell-ellipsis {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {
  .admin-sidebar,
  .admin-kpi-card,
  .admin-nav-item,
  .admin-sidebar-btn {
    transition: none !important;
  }
}