/* ========================================
   Conecta Portal — Custom Theme
   Paleta alineada con la app Flutter
   ======================================== */

/* --- Variables --- */
:root {
  --conecta-primary: #4F46E5;
  --conecta-primary-dark: #3730A3;
  --conecta-primary-light: #818CF8;
  --conecta-secondary: #F97316;
  --conecta-secondary-dark: #EA580C;
  --conecta-success: #10B981;
  --conecta-error: #EF4444;
  --conecta-bg: #F8F9FC;
  --conecta-surface: #FFFFFF;
  --conecta-text: #1E293B;
  --conecta-text-secondary: #64748B;
  --conecta-border: #E2E8F0;
  --conecta-radius-sm: 8px;
  --conecta-radius-md: 12px;
  --conecta-radius-lg: 16px;
  --conecta-shadow-sm: 0 1px 3px rgba(79, 70, 229, 0.08);
  --conecta-shadow-md: 0 4px 12px rgba(79, 70, 229, 0.1);
  --conecta-shadow-lg: 0 8px 24px rgba(79, 70, 229, 0.12);
  --conecta-transition: all 0.2s ease;

  --sidebar-width: 260px;
  --sidebar-collapsed-width: 0px;
  --topbar-height: 56px;
}

/* --- Tipografia --- */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--conecta-bg);
  color: var(--conecta-text);
}

/* ==========================================
   SIDEBAR LAYOUT
   ========================================== */

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--conecta-primary) 0%, var(--conecta-primary-dark) 100%);
  color: white;
  display: flex;
  flex-direction: column;
  z-index: 1040;
  transition: transform 0.3s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  min-height: var(--topbar-height);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
}

.sidebar-brand:hover {
  color: white;
}

.sidebar-brand-text {
  white-space: nowrap;
}

.sidebar-close {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: white;
  width: 32px;
  height: 32px;
  border-radius: var(--conecta-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--conecta-transition);
}

.sidebar-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* --- Sidebar Navigation --- */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 10px;
}

.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

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

.sidebar-nav .nav {
  gap: 2px;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--conecta-radius-sm);
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--conecta-transition);
  text-decoration: none;
}

.sidebar-nav .nav-link i {
  font-size: 1.2rem;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-nav .nav-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: white;
}

.sidebar-nav .nav-link.active {
  background: rgba(255, 255, 255, 0.18);
  color: white;
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--conecta-secondary);
}

/* --- Sidebar Footer / User --- */
.sidebar-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 12px 16px;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.sidebar-user-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-user-name {
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 0.7rem;
  opacity: 0.7;
}

.sidebar-logout {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  border-radius: var(--conecta-radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--conecta-transition);
}

.sidebar-logout:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
  color: #FCA5A5;
}

/* --- Sidebar overlay (mobile) --- */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1039;
}

.sidebar-overlay.show {
  display: block;
}

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

/* --- Top Bar --- */
.topbar {
  height: var(--topbar-height);
  background: var(--conecta-surface);
  border-bottom: 1px solid var(--conecta-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 1020;
  gap: 12px;
}

.topbar-toggler {
  background: transparent;
  border: 1px solid var(--conecta-border);
  width: 36px;
  height: 36px;
  border-radius: var(--conecta-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--conecta-text);
  cursor: pointer;
  transition: var(--conecta-transition);
}

.topbar-toggler:hover {
  background: var(--conecta-bg);
  border-color: var(--conecta-primary-light);
  color: var(--conecta-primary);
}

.topbar-title {
  flex: 1;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--conecta-text);
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  padding: 24px;
  padding-top: 20px;
}

/* --- Main Footer --- */
.main-footer {
  padding: 12px 24px;
  background: var(--conecta-surface);
  border-top: 1px solid var(--conecta-border);
  font-size: 0.8rem;
  color: var(--conecta-text-secondary);
}

/* --- Sidebar visible on desktop, hidden on mobile --- */
@media (min-width: 992px) {
  .sidebar {
    transform: translateX(0) !important;
  }
  .sidebar-overlay {
    display: none !important;
  }
}

@media (max-width: 991.98px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.show {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .topbar {
    padding: 0 16px;
  }
  .main-content {
    padding: 16px;
  }
}

/* ==========================================
   TOPBAR ROLE BADGE COLORS
   ========================================== */

.badge.bg-superuser { background-color: #dc3545 !important; }
.badge.bg-school_admin { background-color: #198754 !important; }
.badge.bg-teacher { background-color: #0d6efd !important; }
.badge.bg-parent { background-color: #fd7e14 !important; }

/* ==========================================
   CARDS
   ========================================== */

.card {
  border: 1px solid var(--conecta-border);
  border-radius: var(--conecta-radius-md);
  box-shadow: var(--conecta-shadow-sm);
  transition: var(--conecta-transition);
}

.card:hover {
  box-shadow: var(--conecta-shadow-md);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--conecta-border);
  padding: 1rem 1.25rem;
  font-weight: 600;
}

.card-footer {
  background: transparent;
  border-top: 1px solid var(--conecta-border);
}

/* --- Dashboard stat cards --- */
.card.bg-primary { background: linear-gradient(135deg, var(--conecta-primary), var(--conecta-primary-dark)) !important; }
.card.bg-success { background: linear-gradient(135deg, var(--conecta-success), #059669) !important; }
.card.bg-warning { background: linear-gradient(135deg, #F59E0B, #D97706) !important; }
.card.bg-info { background: linear-gradient(135deg, #3B82F6, #2563EB) !important; }

.card.bg-primary .card-footer,
.card.bg-success .card-footer,
.card.bg-warning .card-footer,
.card.bg-info .card-footer {
  background: rgba(0, 0, 0, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

/* ==========================================
   TABLES
   ========================================== */

.table {
  --bs-table-hover-bg: rgba(79, 70, 229, 0.04);
}

.table thead.sticky-header th {
  background: #F1F5F9;
  color: var(--conecta-text-secondary);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--conecta-border);
}

.table tbody tr {
  transition: var(--conecta-transition);
}

.table tbody tr:hover {
  background: rgba(79, 70, 229, 0.03);
}

/* --- DataTables overrides --- */
div.dataTables_wrapper div.dataTables_length label,
div.dataTables_wrapper div.dataTables_filter label {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--conecta-text-secondary);
}

div.dataTables_wrapper div.dataTables_filter input {
  border-radius: var(--conecta-radius-sm);
  border: 1px solid var(--conecta-border);
  padding: 0.375rem 0.75rem;
  margin-left: 0.5rem;
}

div.dataTables_wrapper div.dataTables_filter input:focus {
  border-color: var(--conecta-primary-light);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
  outline: none;
}

div.dataTables_wrapper div.dataTables_info {
  font-size: 0.85rem;
  color: var(--conecta-text-secondary);
  padding-top: 1rem;
}

div.dataTables_wrapper .pagination {
  justify-content: flex-end;
}

div.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: var(--conecta-radius-sm);
  margin: 0 2px;
}

div.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--conecta-primary) !important;
  border-color: var(--conecta-primary) !important;
  color: white !important;
  border-radius: var(--conecta-radius-sm);
}

table.dataTable > thead .sorting:before,
table.dataTable > thead .sorting:after,
table.dataTable > thead .sorting_asc:before,
table.dataTable > thead .sorting_asc:after,
table.dataTable > thead .sorting_desc:before,
table.dataTable > thead .sorting_desc:after {
  opacity: 0.5;
}

table.dataTable > thead .sorting_asc:before,
table.dataTable > thead .sorting_desc:after {
  opacity: 1;
  color: var(--conecta-primary);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  border-radius: var(--conecta-radius-sm);
  font-weight: 500;
  transition: var(--conecta-transition);
}

.btn-primary {
  background: var(--conecta-primary);
  border-color: var(--conecta-primary);
}

.btn-primary:hover {
  background: var(--conecta-primary-dark);
  border-color: var(--conecta-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-outline-primary {
  color: var(--conecta-primary);
  border-color: var(--conecta-primary);
}

.btn-outline-primary:hover {
  background: var(--conecta-primary);
  border-color: var(--conecta-primary);
}

.btn-success { background: var(--conecta-success); border-color: var(--conecta-success); }
.btn-success:hover { background: #059669; border-color: #059669; transform: translateY(-1px); }

.btn-outline-success { color: var(--conecta-success); border-color: var(--conecta-success); }
.btn-outline-success:hover { background: var(--conecta-success); border-color: var(--conecta-success); }

.btn-warning { background: var(--conecta-secondary); border-color: var(--conecta-secondary); }
.btn-warning:hover { background: var(--conecta-secondary-dark); border-color: var(--conecta-secondary-dark); }

.btn-outline-warning { color: var(--conecta-secondary); border-color: var(--conecta-secondary); }
.btn-outline-warning:hover { background: var(--conecta-secondary); border-color: var(--conecta-secondary); }

.btn-danger { background: var(--conecta-error); border-color: var(--conecta-error); }
.btn-danger:hover { background: #DC2626; border-color: #DC2626; transform: translateY(-1px); }

.btn-outline-danger { color: var(--conecta-error); border-color: var(--conecta-error); }
.btn-outline-danger:hover { background: var(--conecta-error); border-color: var(--conecta-error); }

.btn-outline-secondary:hover {
  background: var(--conecta-bg);
}

/* ==========================================
   FORMS
   ========================================== */

.form-control, .form-select {
  border-radius: var(--conecta-radius-sm);
  border-color: var(--conecta-border);
  transition: var(--conecta-transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--conecta-primary-light);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--conecta-text);
}

/* ==========================================
   BADGES
   ========================================== */

.badge {
  font-weight: 500;
  padding: 0.35em 0.65em;
  border-radius: 6px;
}

.badge.bg-primary { background: var(--conecta-primary) !important; }
.badge.bg-success { background: var(--conecta-success) !important; }
.badge.bg-warning { background: #F59E0B !important; }
.badge.bg-info { background: var(--conecta-primary-light) !important; }
.badge.bg-danger { background: var(--conecta-error) !important; }

/* ==========================================
   BREADCRUMBS
   ========================================== */

.breadcrumb {
  background: transparent;
  padding: 0;
  margin-bottom: 1rem;
}

.breadcrumb-item a {
  color: var(--conecta-text-secondary);
  text-decoration: none;
  transition: var(--conecta-transition);
}

.breadcrumb-item a:hover {
  color: var(--conecta-primary);
}

.breadcrumb-item.active {
  color: var(--conecta-text);
  font-weight: 600;
}

/* ==========================================
   ALERTS
   ========================================== */

.alert {
  border-radius: var(--conecta-radius-md);
  border: none;
  box-shadow: var(--conecta-shadow-sm);
}

.alert-success { background: #ECFDF5; color: #065F46; }
.alert-danger { background: #FEF2F2; color: #991B1B; }
.alert-warning { background: #FFFBEB; color: #92400E; }
.alert-info { background: #EFF6FF; color: #1E40AF; }

/* ==========================================
   MODAL
   ========================================== */

.modal-content {
  border: none;
  border-radius: var(--conecta-radius-lg);
  box-shadow: var(--conecta-shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--conecta-border);
  padding: 1.25rem 1.5rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--conecta-border);
  padding: 1rem 1.5rem;
}

/* ==========================================
   PAGINATION (non-DataTables fallback)
   ========================================== */

.page-link {
  color: var(--conecta-primary);
  border-color: var(--conecta-border);
  border-radius: var(--conecta-radius-sm);
  margin: 0 2px;
  transition: var(--conecta-transition);
}

.page-link:hover {
  background: var(--conecta-primary);
  border-color: var(--conecta-primary);
  color: white;
}

.page-item.active .page-link {
  background: var(--conecta-primary);
  border-color: var(--conecta-primary);
}

/* ==========================================
   NAV TABS (deletion request)
   ========================================== */

.nav-tabs .nav-link {
  color: var(--conecta-text-secondary);
  border: none;
  font-weight: 500;
  transition: var(--conecta-transition);
}

.nav-tabs .nav-link:hover {
  color: var(--conecta-primary);
  border: none;
}

.nav-tabs .nav-link.active {
  color: var(--conecta-primary);
  border-bottom: 2px solid var(--conecta-primary);
  background: transparent;
  font-weight: 600;
}

/* ==========================================
   FOOTER (legacy, for login page)
   ========================================== */

footer.bg-light {
  background: var(--conecta-surface) !important;
  border-top: 1px solid var(--conecta-border);
}

footer a:hover {
  color: var(--conecta-primary) !important;
}

/* ==========================================
   DETAIL CARDS (school_detail)
   ========================================== */

.dl dt {
  color: var(--conecta-text-secondary);
  font-weight: 600;
}

/* ==========================================
   LOGIN
   ========================================== */

.card.shadow-sm.mt-5 {
  border: none;
  box-shadow: var(--conecta-shadow-lg) !important;
}

/* ==========================================
   CHART CONTAINERS
   ========================================== */

.chart-container {
  position: relative;
  width: 100%;
  min-height: 280px;
}

.chart-container canvas {
  max-height: 280px;
}

/* ==========================================
   PAGE HEADER
   ========================================== */

.page-header {
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

.page-header p {
  font-size: 0.875rem;
}

/* ==========================================
   EMPTY STATE
   ========================================== */

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
}

.empty-state-icon {
  font-size: 3rem;
  color: var(--conecta-text-secondary);
  opacity: 0.4;
  margin-bottom: 1rem;
}

.empty-state h3 {
  color: var(--conecta-text-secondary);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--conecta-text-secondary);
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto 1.5rem;
}

/* ==========================================
   RESPONSIVE TWEAKS
   ========================================== */

@media (max-width: 768px) {
  .card {
    border-radius: var(--conecta-radius-sm);
  }

  .table thead.sticky-header th {
    font-size: 0.75rem;
  }

  .topbar {
    padding: 0 12px;
  }

  .main-content {
    padding: 12px;
  }

  .chart-container {
    min-height: 200px;
  }

  .chart-container canvas {
    max-height: 200px;
  }
}