/* ==========================================================================
   EDUCAREUS ADMIN DASHBOARD — UNIFIED SAAS DESIGN SYSTEM & LAYOUT
   ========================================================================== */

:root {
  --admin-navy: #071321;
  --admin-navy-light: #0D2137;
  --admin-gold: #D4AF37;
  --admin-gold-hover: #E5B80B;
  --admin-bg: #F4F6F9;
  --admin-card-bg: #FFFFFF;
  --admin-text-dark: #1E293B;
  --admin-text-muted: #64748B;
  --admin-border: #E2E8F0;
  --admin-sidebar-width: 260px;
  --admin-sidebar-collapsed: 78px;
  --admin-header-height: 70px;
  --radius-admin: 12px;
  --shadow-admin: 0 4px 20px rgba(7, 19, 33, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body.admin-body-wrap {
  font-family: 'Inter', sans-serif;
  background-color: var(--admin-bg);
  color: var(--admin-text-dark);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* ==========================================================================
   SIDEBAR NAVIGATION
   ========================================================================== */
.admin-sidebar {
  width: var(--admin-sidebar-width);
  background: var(--admin-navy);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 1000;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 4px 0 25px rgba(0,0,0,0.15);
}

.admin-sidebar.collapsed {
  width: var(--admin-sidebar-collapsed);
}

.sidebar-header {
  height: var(--admin-header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #FFFFFF;
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  white-space: nowrap;
  min-width: 0;
}

.sidebar-brand span {
  color: var(--admin-gold);
}

.sidebar-brand .brand-sub {
  color: #FFFFFF;
  font-weight: 600;
  opacity: 0.9;
}

.sidebar-toggle-btn {
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: #FFFFFF;
  width: 34px;
  height: 34px;
  min-width: 34px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}

.sidebar-toggle-btn:hover {
  background: var(--admin-gold);
  color: var(--admin-navy);
}

.admin-sidebar.collapsed .sidebar-brand span {
  display: none;
}

.admin-sidebar.collapsed .sidebar-header {
  justify-content: center;
  padding: 0 8px;
}

.sidebar-menu-wrapper {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
}

.sidebar-menu-wrapper::-webkit-scrollbar {
  width: 4px;
}
.sidebar-menu-wrapper::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
}

.sidebar-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin: 16px 12px 6px 12px;
  letter-spacing: 0.8px;
}

.admin-sidebar.collapsed .sidebar-section-label {
  display: none;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 10px;
  margin-bottom: 4px;
  transition: all 0.2s;
  white-space: nowrap;
}

.sidebar-nav-item:hover, .sidebar-nav-item.active {
  background: var(--admin-gold);
  color: var(--admin-navy);
  font-weight: 700;
}

.sidebar-nav-item i {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
}

.sidebar-nav-item .nav-text {
  flex: 1;
  margin-left: 12px;
}

.admin-sidebar.collapsed .sidebar-nav-item .nav-text,
.admin-sidebar.collapsed .sidebar-nav-item .chevron-icon {
  display: none;
}

.sidebar-sub-menu {
  padding-left: 36px;
  display: none;
}

.sidebar-sub-menu.open {
  display: block;
}

.sidebar-sub-item {
  display: block;
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.84rem;
  border-radius: 6px;
  transition: color 0.2s;
}

.sidebar-sub-item:hover, .sidebar-sub-item.active {
  color: var(--admin-gold);
}

/* ==========================================================================
   MAIN CONTENT LAYOUT & HEADER
   ========================================================================== */
.admin-main-wrapper {
  margin-left: var(--admin-sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.admin-main-wrapper.expanded {
  margin-left: var(--admin-sidebar-collapsed);
}

.admin-top-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: 0 28px;
  position: sticky;
  top: 0;
  z-index: 990;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.admin-search-bar {
  position: relative;
  width: 320px;
}

.admin-search-bar input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border-radius: 20px;
  border: 1px solid var(--admin-border);
  background: var(--admin-bg);
  font-size: 0.88rem;
  outline: none;
}

.admin-search-bar i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--admin-text-muted);
}

.top-header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.icon-btn-badge {
  position: relative;
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--admin-text-muted);
  cursor: pointer;
}

.icon-btn-badge .badge-dot {
  position: absolute;
  top: -2px;
  right: -4px;
  width: 8px;
  height: 8px;
  background: #EF4444;
  border-radius: 50%;
}

.admin-user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 30px;
  border: 1px solid var(--admin-border);
  transition: background 0.2s;
}

.admin-user-profile:hover {
  background: var(--admin-bg);
}

.admin-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--admin-navy);
  color: var(--admin-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

/* ==========================================================================
   PAGE CONTAINER & KPI CARDS
   ========================================================================== */
.admin-page-container {
  padding: 28px;
  flex: 1;
}

.page-title-block {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title-block h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.85rem;
  color: var(--admin-navy);
  margin-bottom: 4px;
}

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

.kpi-grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-stat-card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-admin);
  padding: 20px 22px;
  box-shadow: var(--shadow-admin);
  transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(7, 19, 33, 0.1);
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.kpi-title-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--admin-text-muted);
}

.kpi-badge-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
}

.badge-tag-up { background: rgba(16, 185, 129, 0.12); color: #10B981; }
.badge-tag-alert { background: rgba(239, 68, 68, 0.12); color: #EF4444; }

.kpi-number-display {
  font-family: 'Outfit', sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--admin-navy);
}

/* ==========================================================================
   NEEDS ATTENTION ALERT STRIP
   ========================================================================== */
.needs-attention-box {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
  border: 1px solid #FCD34D;
  border-radius: var(--radius-admin);
  padding: 20px 24px;
  margin-bottom: 28px;
}

.needs-attention-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #92400E;
  margin-bottom: 14px;
}

.needs-attention-items {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.attention-pill-item {
  background: #FFFFFF;
  border: 1px solid #FDE68A;
  padding: 8px 16px;
  border-radius: 30px;
  color: #78350F;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.attention-pill-item:hover {
  background: var(--admin-navy);
  color: var(--admin-gold);
  border-color: var(--admin-navy);
}

/* ==========================================================================
   CARDS & TABLES
   ========================================================================== */
.admin-card-panel {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-admin);
  padding: 24px;
  box-shadow: var(--shadow-admin);
  margin-bottom: 28px;
}

.panel-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 14px;
}

.panel-header-row h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  color: var(--admin-navy);
}

.admin-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.admin-data-table th {
  background: var(--admin-bg);
  color: var(--admin-navy);
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 2px solid var(--admin-border);
  white-space: nowrap;
}

.admin-data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.admin-data-table tr:hover td {
  background: rgba(244, 246, 249, 0.6);
}

/* Status Badges */
.badge-status {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  display: inline-block;
}

.badge-success { background: rgba(16, 185, 129, 0.12); color: #10B981; }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #D97706; }
.badge-danger { background: rgba(239, 68, 68, 0.12); color: #EF4444; }
.badge-info { background: rgba(59, 130, 246, 0.12); color: #3B82F6; }

/* Action Buttons */
.btn-action-icon {
  background: var(--admin-bg);
  border: 1px solid var(--admin-border);
  color: var(--admin-text-dark);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-action-icon:hover {
  background: var(--admin-navy);
  color: var(--admin-gold);
}

/* ==========================================================================
   RESPONSIVE DESIGN FOR ADMIN
   ========================================================================== */
@media (max-width: 992px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  .admin-sidebar.mobile-open {
    transform: translateX(0);
  }
  .admin-main-wrapper {
    margin-left: 0 !important;
  }
}