/* ============================================================
   ADMINISTRATIVE ERP PORTAL STYLES (IMAGES 3, 4, 5)
   Université Adelphos d'Haïti (UNADH)
   ============================================================ */

.admin-layout {
  display: flex;
  min-height: 100vh;
  background-color: #f6f9f7;
  color: var(--color-text-primary);
}

/* ============================================================
   SIDEBAR - DEEP EMERALD GREEN
   ============================================================ */
.admin-sidebar {
  width: var(--sidebar-width);
  background-color: #004724;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 90;
  box-shadow: 4px 0 15px rgba(0, 45, 23, 0.15);
  transition: width var(--transition-normal);
}

.sidebar-header {
  padding: 1.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.sidebar-logo-img {
  width: 44px;
  height: 50px;
  object-fit: contain;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.3));
}

.sidebar-brand-text {
  display: flex;
  flex-direction: column;
}

.sidebar-univ-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
  color: #ffffff;
}

.sidebar-univ-motto {
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: #86efac;
  margin-top: 0.2rem;
}

/* Sidebar Navigation Items */
.sidebar-nav {
  padding: 1.25rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex-grow: 1;
  overflow-y: auto;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: #d1fae5;
  font-size: 0.925rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

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

.sidebar-link.active {
  background-color: #00a651;
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 166, 81, 0.3);
}

.sidebar-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Sidebar Footer Motto */
.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  color: #86efac;
  line-height: 1.4;
}

.sidebar-footer-title {
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */
.admin-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

/* Top App Bar */
.admin-topbar {
  height: 68px;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 80;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: #eafaf1;
  color: var(--color-primary);
  border: 1px solid #bbf7d0;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
}

.demo-signal {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.demo-signal span {
  width: 3px;
  background-color: var(--color-primary);
  border-radius: 1px;
}

.demo-signal span:nth-child(1) { height: 4px; }
.demo-signal span:nth-child(2) { height: 8px; }
.demo-signal span:nth-child(3) { height: 12px; }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.btn-switch-public {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-full);
  background: var(--color-primary-subtle);
}

.btn-switch-public:hover {
  background-color: #dcfce7;
}

.topbar-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  position: relative;
  background-color: var(--color-surface-secondary);
  transition: all var(--transition-fast);
}

.topbar-icon-btn:hover {
  background-color: var(--color-border);
  color: var(--color-text-primary);
}

.notif-badge-dot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border: 2px solid #ffffff;
  border-radius: 50%;
}

/* User Profile Pill in Topbar */
.user-pill {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0.65rem 0.35rem 0.35rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.user-pill:hover {
  background-color: var(--color-surface-secondary);
}

.user-avatar-sm {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #004724;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.user-meta {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.user-role {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ============================================================
   PAGE CONTAINER & KPI CARDS (IMAGES 3, 4, 5)
   ============================================================ */
.admin-page-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.page-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.page-title-box h1 {
  font-family: var(--font-sans);
  font-size: 1.85rem;
  font-weight: 800;
  color: #0b1a11;
  letter-spacing: -0.01em;
}

.page-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* KPI Stat Cards Grid */
.kpi-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.kpi-cards-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.kpi-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.kpi-icon-green {
  background-color: #dcfce7;
  color: var(--color-primary);
}

.kpi-icon-amber {
  background-color: #fef3c7;
  color: var(--color-accent-amber);
}

.kpi-icon-blue {
  background-color: #e0f2fe;
  color: #0284c7;
}

.kpi-data {
  display: flex;
  flex-direction: column;
}

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

.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #0b1a11;
  line-height: 1.2;
  margin: 0.2rem 0;
}

.kpi-trend {
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.trend-up {
  color: #16a34a;
}

.trend-down {
  color: #dc2626;
}

.trend-neutral {
  color: var(--color-accent-amber);
}

/* ============================================================
   FILTERS TOOLBAR (IMAGES 3, 4, 5)
   ============================================================ */
.filter-toolbar {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.search-input-box {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.85rem;
  flex-grow: 1;
  min-width: 240px;
}

.search-input-box input {
  border: none;
  outline: none;
  font-size: 0.875rem;
  width: 100%;
}

.filter-select-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-label-inline {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.filter-select {
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  outline: none;
  cursor: pointer;
}

.filter-select:focus {
  border-color: var(--color-primary);
}

/* ============================================================
   DATA TABLES (STUDENTS, PAYMENTS, REPORTS)
   ============================================================ */
.table-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table-responsive {
  overflow-x: auto;
  width: 100%;
}

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

.data-table th {
  background-color: #fafbfc;
  color: var(--color-text-muted);
  font-weight: 700;
  padding: 0.95rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  text-transform: none;
  letter-spacing: normal;
  white-space: nowrap;
}

.data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background-color var(--transition-fast);
  cursor: pointer;
}

.data-table tbody tr:hover {
  background-color: #f8fafc;
}

.data-table tbody tr.row-selected {
  background-color: #f0fdf4;
  border-left: 3px solid var(--color-primary);
}

.data-table td.col-matricule {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #0b1a11;
}

.data-table td.col-name {
  font-weight: 700;
  color: #0b1a11;
}

.action-dots-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid transparent;
}

.action-dots-btn:hover {
  background-color: var(--color-surface-secondary);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

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

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.page-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  background: #ffffff;
}

.page-btn:hover:not(:disabled) {
  background-color: var(--color-surface-secondary);
}

.page-btn.active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ============================================================
   IMAGE 3: STUDENT DETAIL DRAWER (RIGHT PANEL)
   ============================================================ */
.students-view-layout {
  display: grid;
  grid-template-columns: 1fr var(--drawer-width);
  gap: 1.5rem;
  align-items: start;
}

.students-view-layout.drawer-closed {
  grid-template-columns: 1fr;
}

.student-detail-drawer {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: 90px;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.drawer-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #d1fae5;
  color: var(--color-primary);
  font-weight: 800;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drawer-user-text {
  display: flex;
  flex-direction: column;
}

.drawer-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: #0b1a11;
}

.drawer-matricule {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

.drawer-close-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.drawer-close-btn:hover {
  background-color: var(--color-surface-secondary);
  color: var(--color-text-primary);
}

/* Tabs inside Drawer */
.drawer-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border-light);
  gap: 1rem;
}

.drawer-tab {
  padding: 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  position: relative;
}

.drawer-tab.active {
  color: var(--color-primary);
}

.drawer-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
}

/* Detail info sections */
.drawer-section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #0b1a11;
  margin-bottom: 0.85rem;
  text-transform: none;
}

.drawer-info-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.85rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-text-secondary);
}

.info-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.drawer-academic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  font-size: 0.85rem;
}

.academic-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.academic-label {
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.academic-val {
  font-weight: 600;
  color: #0b1a11;
}

/* ============================================================
   IMAGE 4: COMPTABILITÉ (FINANCE & FEE TRACKING)
   ============================================================ */
.compta-grid {
  display: grid;
  grid-template-columns: 1.55fr 0.95fr;
  gap: 1.5rem;
  align-items: start;
}

.fee-tracking-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.fee-tracking-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.fee-tracking-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0b1a11;
}

.fee-progress-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.progress-item-box {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.progress-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}

.progress-track {
  height: 10px;
  background-color: #f1f5f9;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill-encaisse {
  height: 100%;
  width: 66.8%;
  background-color: #10b981;
  border-radius: var(--radius-full);
}

.progress-fill-solde {
  height: 100%;
  width: 33.2%;
  background-color: #cbd5e1;
  border-radius: var(--radius-full);
}

.compta-actions-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.demo-notice-box {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  color: #166534;
  line-height: 1.4;
}

/* ============================================================
   IMAGE 5: RAPPORTS ET STATISTIQUES (CHARTS & REPORTS)
   ============================================================ */
.charts-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.chart-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.chart-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0b1a11;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-canvas-container {
  height: 260px;
  width: 100%;
  position: relative;
}

/* Format Tags for Reports (PDF / Excel) */
.format-pill {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-right: 0.25rem;
}

.format-pdf {
  background-color: #fee2e2;
  color: #b91c1c;
}

.format-excel {
  background-color: #dcfce7;
  color: #15803d;
}

/* ============================================================
   OFFICIAL UNADH PRINTABLE RECEIPT (POPUP MODAL)
   ============================================================ */
.receipt-paper {
  background: #ffffff;
  border: 2px dashed #008744;
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  font-family: var(--font-sans);
  color: #0f172a;
}

.receipt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid #008744;
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.receipt-univ-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.receipt-logo {
  width: 55px;
  height: 60px;
  object-fit: contain;
}

.receipt-univ-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 800;
  color: #004724;
}

.receipt-univ-meta {
  font-size: 0.8rem;
  color: #64748b;
}

.receipt-badge-title {
  text-align: right;
}

.receipt-title-text {
  font-size: 1.35rem;
  font-weight: 900;
  color: #008744;
  letter-spacing: 0.05em;
}

.receipt-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #475569;
}

.receipt-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  background-color: #f8fafc;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.receipt-field-group {
  display: flex;
  flex-direction: column;
}

.receipt-field-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
}

.receipt-field-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: #0f172a;
}

.receipt-amount-box {
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.receipt-amount-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: #15803d;
}

.receipt-amount-val {
  font-size: 1.5rem;
  font-weight: 900;
  color: #008744;
}

.receipt-footer-stamp {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.receipt-qr-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.qr-code-mock {
  width: 50px;
  height: 50px;
  background-color: #0b1a11;
  padding: 4px;
  border-radius: 4px;
}

.receipt-signature-box {
  text-align: right;
  font-size: 0.8rem;
  color: #64748b;
}

.signature-line {
  margin-top: 2rem;
  width: 160px;
  border-top: 1px solid #94a3b8;
  font-weight: 600;
  color: #0f172a;
  padding-top: 0.25rem;
}

/* Responsive */
@media (max-width: 1200px) {
  .students-view-layout {
    grid-template-columns: 1fr;
  }
  .student-detail-drawer {
    position: static;
  }
  .compta-grid {
    grid-template-columns: 1fr;
  }
  .charts-grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .admin-layout {
    flex-direction: column;
  }
  .admin-sidebar {
    width: 100%;
    height: auto;
    position: static;
  }
  .kpi-cards-grid, .kpi-cards-grid-4 {
    grid-template-columns: 1fr;
  }
  .admin-topbar {
    padding: 0 1rem;
  }
  .admin-page-content {
    padding: 1rem;
  }
}