/* ==========================================================================
   UPLIFT IAS ACADEMY - ADMIN PANEL STYLESHEET
   Brand Colors: Primary Blue #0452A5 | Accent Yellow #FDC91E
   ========================================================================== */

:root {
  --admin-primary: #0452A5;
  --admin-primary-dark: #033A75;
  --admin-primary-light: #EEF5FC;
  --admin-accent: #FDC91E;
  --admin-success: #10B981;
  --admin-danger: #EF4444;
  --admin-warning: #F59E0B;
  
  --admin-bg: #F8FAFC;
  --admin-card: #FFFFFF;
  --admin-border: #E2E8F0;
  --admin-text-main: #0F172A;
  --admin-text-muted: #64748B;
  
  --sidebar-width: 260px;
  --topbar-height: 70px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

body.admin-body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--admin-bg);
  color: var(--admin-text-main);
  line-height: 1.5;
  min-height: 100vh;
}

/* ==========================================================================
   ADMIN LOGIN SCREEN
   ========================================================================== */

.admin-login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, #F0F6FF 0%, #E2EEFC 50%, #F8FAFC 100%);
}

.admin-login-card {
  width: 100%;
  max-width: 440px;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 36px rgba(4, 82, 165, 0.12);
  border: 1px solid var(--admin-border);
  padding: 40px;
}

.login-logo-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo-header img {
  height: 58px;
  margin: 0 auto 16px;
}

.login-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--admin-primary);
}

.login-subtitle {
  font-size: 0.9rem;
  color: var(--admin-text-muted);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--admin-text-main);
  margin-bottom: 6px;
}

.form-label span.req {
  color: var(--admin-danger);
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background-color: #FFFFFF;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(4, 82, 165, 0.15);
}

textarea.form-control {
  min-height: 90px;
  resize: vertical;
}

.btn-admin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-admin-primary {
  background-color: var(--admin-primary);
  color: #FFFFFF;
}

.btn-admin-primary:hover {
  background-color: var(--admin-primary-dark);
}

.btn-admin-secondary {
  background-color: #F1F5F9;
  color: var(--admin-text-main);
  border: 1px solid var(--admin-border);
}

.btn-admin-secondary:hover {
  background-color: #E2E8F0;
}

.btn-admin-danger {
  background-color: var(--admin-danger);
  color: #FFFFFF;
}

.btn-admin-danger:hover {
  background-color: #DC2626;
}

.btn-admin-sm {
  padding: 6px 12px;
  font-size: 0.82rem;
  border-radius: 4px;
}

.btn-block {
  width: 100%;
}

.alert-box {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-danger {
  background-color: #FEF2F2;
  border: 1px solid #FCA5A5;
  color: #991B1B;
}

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

/* ==========================================================================
   ADMIN LAYOUT (SIDEBAR & TOPBAR)
   ========================================================================== */

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

.admin-sidebar {
  width: var(--sidebar-width);
  background: #FFFFFF;
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.sidebar-header {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--admin-border);
}

.sidebar-header img {
  height: 40px;
  width: auto;
}

.sidebar-nav {
  padding: 20px 12px;
  flex: 1;
}

.sidebar-menu-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--admin-text-muted);
  letter-spacing: 0.05em;
  padding: 0 12px 10px;
}

.sidebar-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--admin-text-main);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  transition: all 0.2s;
}

.sidebar-menu-item:hover {
  background-color: var(--admin-primary-light);
  color: var(--admin-primary);
}

.sidebar-menu-item.active {
  background-color: var(--admin-primary);
  color: #FFFFFF;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-user-pill {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Main Content Area */
.admin-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-topbar {
  height: var(--topbar-height);
  background: #FFFFFF;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--admin-primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-body-content {
  padding: 32px;
  flex: 1;
}

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

.stat-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: #FFFFFF;
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.04);
}

.stat-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--admin-text-muted);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--admin-text-main);
  line-height: 1;
}

.stat-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon-primary {
  background-color: var(--admin-primary-light);
  color: var(--admin-primary);
}

.stat-icon-success {
  background-color: #ECFDF5;
  color: var(--admin-success);
}

.stat-icon-warning {
  background-color: #FFFBEB;
  color: var(--admin-warning);
}

/* ==========================================================================
   DATA TABLE & BANNER LIST
   ========================================================================== */

.admin-card {
  background: #FFFFFF;
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.04);
  overflow: hidden;
}

.card-header-bar {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--admin-border);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--admin-text-main);
}

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

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

.admin-table th {
  background-color: #F8FAFC;
  padding: 12px 18px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--admin-text-muted);
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 16px 18px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

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

.banner-thumb {
  width: 84px;
  height: 52px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--admin-border);
  background-color: #EEF2F6;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.badge-active {
  background-color: #DCFCE7;
  color: #15803D;
}

.badge-inactive {
  background-color: #F1F5F9;
  color: #64748B;
}

.badge-category {
  display: inline-block;
  padding: 4px 10px;
  background-color: #EBF3FC;
  color: var(--admin-primary);
  font-weight: 700;
  border-radius: 4px;
  font-size: 0.82rem;
}

/* ==========================================================================
   MODAL WINDOWS (FORM & PREVIEW)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
}

.modal-backdrop.is-open {
  display: flex;
}

.modal-dialog {
  width: 100%;
  max-width: 680px;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalEnter 0.2s ease-out;
}

.modal-dialog-large {
  max-width: 1080px;
}

@keyframes modalEnter {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--admin-primary);
}

.modal-close-btn {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--admin-text-muted);
  cursor: pointer;
  border: none;
  background: none;
  padding: 4px 8px;
}

.modal-close-btn:hover {
  color: var(--admin-danger);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background-color: #F8FAFC;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 16px;
}

.image-preview-box {
  width: 100%;
  height: 160px;
  border: 2px dashed var(--admin-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  background-color: #F8FAFC;
  overflow: hidden;
  position: relative;
}

.image-preview-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 12px 20px;
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.15);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 4px solid var(--admin-primary);
  animation: toastSlide 0.3s ease-out;
}

.toast-success {
  border-left-color: var(--admin-success);
}

.toast-danger {
  border-left-color: var(--admin-danger);
}

@keyframes toastSlide {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 860px) {
  .admin-sidebar {
    display: none;
  }
  .admin-main {
    margin-left: 0;
  }
  .form-grid-2,
  .form-grid-3 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   COURSE MANAGEMENT MODULE STYLES (Admin)
   ========================================================================== */
.admin-tabs-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 2px solid #E2E8F0;
  margin-bottom: 20px;
  padding-bottom: 0;
}

.admin-tab-btn {
  padding: 10px 18px;
  font-size: 0.90rem;
  font-weight: 750;
  color: #64748B;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-tab-btn:hover {
  color: var(--admin-primary);
}

.admin-tab-btn.active {
  color: var(--admin-primary);
  border-bottom-color: var(--admin-primary);
}

.admin-tab-pane {
  display: none;
}

.admin-tab-pane.active {
  display: block;
}

.admin-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  background: #F8FAFC;
  border-bottom: 1px solid var(--admin-border);
  flex-wrap: wrap;
}

.admin-filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.badge-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-published {
  background: #DEF7EC;
  color: #03543F;
}

.badge-draft {
  background: #F3F4F6;
  color: #4B5563;
}

.badge-inquiry-new {
  background: #FEF3C7;
  color: #92400E;
}

.badge-inquiry-contacted {
  background: #E0E7FF;
  color: #3730A3;
}

.badge-inquiry-enrolled {
  background: #DEF7EC;
  color: #03543F;
}

.btn-icon-action {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid #CBD5E1;
  background: #FFFFFF;
  color: #475569;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon-action:hover {
  background: var(--admin-primary-light);
  color: var(--admin-primary);
  border-color: var(--admin-primary);
}

.btn-icon-action.btn-danger:hover {
  background: #FEE2E2;
  color: #DC2626;
  border-color: #EF4444;
}

.repeater-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.repeater-row input {
  flex: 1;
}

.drag-handle {
  cursor: grab;
  color: #94A3B8;
  padding: 4px;
}

.drag-handle:active {
  cursor: grabbing;
}

/* Announcements Management Admin Helpers */
.filter-toolbar-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  background: #FFFFFF;
  border-bottom: 1px solid var(--admin-border);
  flex-wrap: wrap;
}

.filter-group-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-group-right {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
}

.badge-status.badge-scheduled {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}

.badge-status.badge-expired {
  background: #F1F5F9;
  color: #64748B;
  border: 1px solid #CBD5E1;
}

.badge-status.badge-pinned-star {
  background: #FEF3C7;
  color: #B45309;
  border: 1px solid #FDE68A;
  font-weight: 700;
}

.preview-mockup-wrapper {
  background: #F1F5F9;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.preview-mode-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--admin-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Gallery Admin Elements */
.gallery-thumb-container {
  width: 64px;
  height: 48px;
  border-radius: 8px;
  overflow: hidden;
  background: #0F172A;
  border: 1px solid var(--admin-border);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.gallery-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.gallery-thumb-container:hover .gallery-thumb-img {
  transform: scale(1.1);
}

.btn-admin-feature {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-admin-feature.is-active {
  background: #FEF3C7;
  border-color: #FCD34D;
  color: #D97706 !important;
}

.btn-admin-feature:hover {
  background: #FEF3C7;
  transform: scale(1.1);
}