/* ==========================================================================
   Shart Admin Dashboard Stylesheet (admin.css)
   Conforms to design-tokens.css, MD3 & Mobile-First RTL Standards
   ========================================================================== */

/* 1. Admin Layout Root */
:root {
  --admin-sidebar-width: 260px;
  --admin-sidebar-collapsed-width: 72px;
  --admin-header-height: 54px;
  --admin-bg: #F4F9FB;
  --admin-card-bg: #FFFFFF;
  --admin-border: #DCEAF6;
  --admin-border-focus: #21708F;
  --admin-sidebar-bg: #0D2A35;
  --admin-sidebar-dark: #071D26;
  --admin-sidebar-hover: rgba(255, 255, 255, 0.07);
  --admin-sidebar-active: rgba(8, 196, 189, 0.16);
  --admin-input-bg: #FFFFFF;
  --admin-input-border: #D1E3ED;
}

body.admin-body {
  background-color: var(--admin-bg);
  color: var(--color-body);
  font-family: var(--font-primary);
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  font-size: 0.9rem;
}

/* 2. Admin Layout Structure */
.admin-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* Sidebar */
.admin-sidebar {
  width: var(--admin-sidebar-width);
  background-color: var(--admin-sidebar-bg);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  inset-inline-start: 0;
  z-index: 1050;
  transition: transform var(--transition-normal);
  border-inline-end: 1px solid rgba(255, 255, 255, 0.08);
  overflow-y: auto;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.15);
}

.admin-sidebar::-webkit-scrollbar {
  width: 5px;
}
.admin-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

.admin-sidebar-brand {
  height: var(--admin-header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 16px;
  background: var(--admin-sidebar-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-sidebar-brand a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #FFFFFF;
}

.admin-sidebar-brand img {
  height: 32px;
  width: auto;
}

.admin-sidebar-badge {
  font-size: 0.7rem;
  background: rgba(8, 196, 189, 0.18);
  color: var(--color-bright-cyan);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(8, 196, 189, 0.35);
  font-weight: 600;
}

.admin-sidebar-nav {
  padding-block: 10px;
  flex: 1;
}

/* Collapsible Accordion Navigation Groups */
.admin-nav-group {
  margin-bottom: 4px;
}

.admin-nav-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 9px 16px;
  background: transparent;
  border: none;
  color: #D3E2E9;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-align: start;
  transition: all 0.2s ease;
  user-select: none;
}

.admin-nav-group-header:hover {
  background-color: var(--admin-sidebar-hover);
  color: #FFFFFF;
}

.admin-nav-group-header .header-content {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-nav-group-header .chevron-icon {
  font-size: 18px;
  transition: transform 0.25s ease;
  color: #7AA9BC;
}

.admin-nav-group.open .admin-nav-group-header .chevron-icon {
  transform: rotate(-180deg);
  color: var(--color-bright-cyan);
}

.admin-nav-group.open .admin-nav-group-header {
  color: #FFFFFF;
}

.admin-nav-group-items {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(0, 0, 0, 0.12);
}

.admin-nav-group.open .admin-nav-group-items {
  max-height: 400px;
}

.admin-nav-sub-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px 8px 36px;
  color: #A3C2D1;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
  transition: all 0.15s ease;
  position: relative;
}

.admin-nav-sub-item:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.05);
  padding-inline-start: 40px;
}

.admin-nav-sub-item.active {
  color: #FFFFFF;
  background: var(--admin-sidebar-active);
  font-weight: 700;
  border-inline-start: 3px solid var(--color-bright-cyan);
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  color: #D3E2E9;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.15s ease;
  border-inline-start: 3px solid transparent;
}

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

.admin-nav-item.active {
  background-color: var(--admin-sidebar-active);
  color: var(--color-bright-cyan);
  border-inline-start-color: var(--color-bright-cyan);
  font-weight: 700;
}

.admin-nav-icon {
  font-size: 1.2rem;
  width: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Main Wrapper */
.admin-main-wrapper {
  flex: 1;
  margin-inline-start: var(--admin-sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
  transition: margin-inline-start var(--transition-normal);
}

/* Header (Slim & Compact 54px) */
.admin-header {
  height: var(--admin-header-height);
  background: #FFFFFF;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 20px;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(13, 42, 53, 0.04);
}

.admin-header-start {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.35rem;
  color: var(--color-heading);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}
.admin-menu-toggle:hover {
  background: #F1F5F9;
}

.admin-header-end {
  display: flex;
  align-items: center;
  gap: 14px;
}

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

.admin-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-vibrant-teal), var(--color-bright-cyan));
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.admin-user-info {
  display: flex;
  flex-direction: column;
  text-align: start;
}

.admin-user-name {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.2;
}

.admin-user-role {
  font-size: 0.72rem;
  color: var(--color-vibrant-teal);
  font-weight: 500;
}

/* Content Area */
.admin-content {
  flex: 1;
  padding: 20px;
  background-color: var(--admin-bg);
}

@media (max-width: 640px) {
  .admin-content {
    padding: 14px;
  }
}

/* Breadcrumbs & Header */
.admin-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.admin-page-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0;
}

.admin-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 2px;
}

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

/* 3. Compact & Elegant KPI Cards */
.admin-grid-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

@media (min-width: 640px) {
  .admin-grid-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .admin-grid-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

.admin-card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 0 1px 4px rgba(13, 42, 53, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.admin-card:hover {
  box-shadow: 0 4px 12px rgba(13, 42, 53, 0.07);
}

.admin-kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.admin-kpi-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.admin-kpi-icon.teal {
  background-color: rgba(8, 196, 189, 0.12);
  color: var(--color-vibrant-teal);
}

.admin-kpi-icon.blue {
  background-color: rgba(33, 112, 143, 0.12);
  color: var(--color-royal-blue);
}

.admin-kpi-icon.navy {
  background-color: rgba(13, 42, 53, 0.08);
  color: var(--color-primary-navy);
}

.admin-kpi-icon.green {
  background-color: rgba(16, 185, 129, 0.12);
  color: #10B981;
}

.admin-kpi-title {
  font-size: 0.82rem;
  color: var(--color-muted);
  font-weight: 600;
}

.admin-kpi-value {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.2;
}

.admin-kpi-footer {
  margin-top: 6px;
  font-size: 0.76rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 4. Unified Form Controls & Inputs */
.admin-form-group {
  margin-bottom: 14px;
}

.admin-form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 5px;
}

.admin-form-input,
.admin-form-select,
.admin-form-textarea {
  width: 100%;
  padding: 8px 12px;
  background-color: var(--admin-input-bg);
  border: 1px solid var(--admin-input-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.86rem;
  color: var(--color-heading);
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.admin-form-input:hover,
.admin-form-select:hover,
.admin-form-textarea:hover {
  border-color: #A0C3D4;
}

.admin-form-input:focus,
.admin-form-select:focus,
.admin-form-textarea:focus {
  outline: none;
  border-color: var(--admin-border-focus);
  box-shadow: 0 0 0 3px rgba(33, 112, 143, 0.15);
  background-color: #FFFFFF;
}

.admin-form-helper {
  display: block;
  font-size: 0.74rem;
  color: var(--color-muted);
  margin-top: 4px;
}

.admin-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--color-heading);
  cursor: pointer;
  user-select: none;
}

.admin-checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-vibrant-teal);
  cursor: pointer;
}

/* 5. Buttons */
.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

.admin-btn-primary {
  background-color: var(--color-primary-navy);
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(13, 42, 53, 0.15);
}
.admin-btn-primary:hover {
  background-color: #1A5570;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(13, 42, 53, 0.25);
}

.admin-btn-teal {
  background-color: var(--color-vibrant-teal);
  color: #FFFFFF;
}
.admin-btn-teal:hover {
  background-color: #1A5A73;
}

.admin-btn-secondary {
  background-color: #F1F5F9;
  border-color: var(--admin-border);
  color: var(--color-heading);
}
.admin-btn-secondary:hover {
  background-color: #E2E8F0;
}

.admin-btn-danger {
  background-color: #FEF2F2;
  border-color: #FECACA;
  color: #DC2626;
}
.admin-btn-danger:hover {
  background-color: #FEE2E2;
}

/* 6. Tables */
.admin-table-card {
  background: #FFFFFF;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(13, 42, 53, 0.04);
}

.admin-table-responsive {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: right;
  font-size: 0.85rem;
}

.admin-table th {
  background-color: #F8FAFC;
  color: var(--color-muted);
  font-weight: 600;
  padding: 10px 14px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--admin-border);
  color: var(--color-heading);
  vertical-align: middle;
}

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

/* 7. Mobile Drawer Overlay */
.admin-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13, 42, 53, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1040;
}

/* Responsive Breakpoints */
@media (max-width: 1023px) {
  .admin-sidebar {
    transform: translateX(100%);
  }

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

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

  .admin-main-wrapper {
    margin-inline-start: 0;
  }

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