/* ==========================================================================
   Jothydev's Diabetes Research Centre - Editorial Panel Theme
   Modern, sleek, high-aesthetic CSS for the Publications Editorial Dashboard
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Anek+Latin:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300..800;1,9..40,300..800&display=swap');

:root {
  --admin-primary: #1389eb;
  --admin-primary-dark: #0c6fc0;
  --admin-primary-light: #e0f2fe;
  --admin-accent: #0284c7;
  --admin-success: #10b981;
  --admin-success-light: #d1fae5;
  --admin-warning: #f59e0b;
  --admin-warning-light: #fef3c7;
  --admin-danger: #ef4444;
  --admin-danger-light: #fee2e2;
  
  --admin-sidebar-bg: #0b1523;
  --admin-sidebar-hover: #152538;
  --admin-sidebar-active: #1389eb;
  --admin-sidebar-text: #94a3b8;
  --admin-sidebar-text-active: #ffffff;
  
  --admin-body-bg: #f8fafc;
  --admin-card-bg: #ffffff;
  --admin-border: #e2e8f0;
  --admin-text-main: #0f172a;
  --admin-text-muted: #64748b;
  
  --font-heading: 'Anek Latin', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  color: var(--admin-text-main);
  background-color: var(--admin-body-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--admin-text-main);
  margin-top: 0;
}

/* ==========================================================================
   Admin Layout Shell
   ========================================================================== */
.admin-wrapper {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* Sidebar */
.admin-sidebar {
  width: 270px;
  background-color: var(--admin-sidebar-bg);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 1000;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  box-shadow: 4px 0 16px rgba(0, 0, 0, 0.15);
}

.admin-sidebar-header {
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #ffffff;
}

.admin-logo-img {
  height: 38px;
  width: auto;
  background: #ffffff;
  padding: 4px 8px;
  border-radius: 6px;
}

.admin-brand-info {
  display: flex;
  flex-direction: column;
}

.admin-brand-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.2px;
  line-height: 1.2;
}

.admin-brand-sub {
  font-size: 11px;
  color: #38bdf8;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Sidebar Navigation */
.admin-nav {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-grow: 1;
}

.admin-nav-heading {
  font-size: 11px;
  text-transform: uppercase;
  color: #64748b;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 12px 12px 6px;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--admin-sidebar-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s ease;
}

.admin-nav-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-nav-item i {
  font-size: 16px;
  width: 20px;
  text-align: center;
  color: #64748b;
  transition: color 0.2s ease;
}

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

.admin-nav-item:hover i {
  color: #38bdf8;
}

.admin-nav-item.active {
  background-color: var(--admin-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(19, 137, 235, 0.35);
}

.admin-nav-item.active i {
  color: #ffffff;
}

.admin-nav-badge {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 12px;
  font-weight: 700;
}

.admin-sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.admin-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1389eb, #0284c7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 13px;
}

.admin-user-details {
  display: flex;
  flex-direction: column;
}

.admin-user-name {
  font-size: 13.5px;
  font-weight: 700;
  color: #ffffff;
}

.admin-user-role {
  font-size: 11px;
  color: #94a3b8;
}

.admin-logout-btn {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.12);
  padding: 7px 10px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 13px;
  transition: all 0.2s ease;
}

.admin-logout-btn:hover {
  background: #ef4444;
  color: #ffffff;
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */
.admin-main {
  flex-grow: 1;
  margin-left: 270px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
}

/* Top Bar */
.admin-topbar {
  background: #ffffff;
  border-bottom: 1px solid var(--admin-border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: var(--shadow-sm);
}

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

.admin-mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--admin-border);
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--admin-text-main);
  cursor: pointer;
  font-size: 16px;
}

.admin-page-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

.admin-topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-btn-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 6px;
  background-color: #f1f5f9;
  color: #334155;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid #cbd5e1;
  transition: all 0.2s ease;
}

.admin-btn-live:hover {
  background-color: #e2e8f0;
  color: #0f172a;
}

/* Content Container */
.admin-content {
  padding: 28px;
  flex-grow: 1;
}

/* ==========================================================================
   Cards & UI Components
   ========================================================================== */
.admin-card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-card-title {
  font-size: 17px;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* KPI Stats Grid */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.admin-stat-card {
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.admin-stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

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

.admin-stat-icon.green {
  background-color: #d1fae5;
  color: #059669;
}

.admin-stat-icon.purple {
  background-color: #f3e8ff;
  color: #9333ea;
}

.admin-stat-icon.amber {
  background-color: #fef3c7;
  color: #d97706;
}

.admin-stat-info {
  display: flex;
  flex-direction: column;
}

.admin-stat-value {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--admin-text-main);
}

.admin-stat-label {
  font-size: 12.5px;
  color: var(--admin-text-muted);
  font-weight: 600;
  margin-top: 4px;
}

/* Tables */
.admin-table-wrapper {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--admin-border);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.admin-table th {
  background-color: #f8fafc;
  color: #475569;
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}

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

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

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

/* Badges & Tags */
.badge-id {
  background-color: #e0f2fe;
  color: #0369a1;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-family: monospace;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.badge-status.success {
  background-color: #d1fae5;
  color: #065f46;
}

.badge-status.warning {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-status.muted {
  background-color: #f1f5f9;
  color: #475569;
}

.badge-cat {
  display: inline-block;
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #e2e8f0;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11.5px;
  font-weight: 600;
  margin-right: 4px;
  margin-bottom: 4px;
}

/* Buttons */
.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.2s ease;
  line-height: 1.4;
}

.admin-btn-primary {
  background-color: var(--admin-primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(19, 137, 235, 0.3);
}

.admin-btn-primary:hover {
  background-color: var(--admin-primary-dark);
  color: #ffffff;
  transform: translateY(-1px);
}

.admin-btn-secondary {
  background-color: #ffffff;
  color: #334155;
  border: 1.5px solid #cbd5e1;
}

.admin-btn-secondary:hover {
  background-color: #f8fafc;
  border-color: #94a3b8;
  color: #0f172a;
}

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

.admin-btn-danger:hover {
  background-color: #dc2626;
  color: #ffffff;
}

.admin-btn-sm {
  padding: 5px 10px;
  font-size: 12.5px;
  border-radius: 6px;
}

/* Form Controls */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 6px;
}

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

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--font-body);
  border: 1.5px solid #cbd5e1;
  border-radius: 8px;
  background-color: #ffffff;
  color: #0f172a;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(19, 137, 235, 0.15);
}

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

.form-help {
  font-size: 12px;
  color: var(--admin-text-muted);
  margin-top: 4px;
}

/* Multi Category Checkbox Grid */
.cat-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
  padding: 12px;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  background-color: #f8fafc;
}

.cat-checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
}

.cat-checkbox-item:hover {
  background-color: #e2e8f0;
}

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

/* Radio Group Box */
.radio-group-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.radio-card {
  border: 1.5px solid #cbd5e1;
  border-radius: 8px;
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  transition: all 0.2s ease;
}

.radio-card:hover {
  border-color: var(--admin-primary);
  background-color: #f0f9ff;
}

.radio-card.active {
  border-color: var(--admin-primary);
  background-color: #f0f9ff;
  box-shadow: 0 0 0 2px rgba(19, 137, 235, 0.2);
}

.radio-card input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--admin-primary);
}

.radio-card-info {
  display: flex;
  flex-direction: column;
}

.radio-card-title {
  font-weight: 700;
  font-size: 13.5px;
  color: #0f172a;
}

.radio-card-desc {
  font-size: 11.5px;
  color: #64748b;
  margin-top: 2px;
}

/* Live Card Preview Box */
.preview-sticky-box {
  position: sticky;
  top: 90px;
}

.preview-card-wrap {
  background: #ffffff;
  border: 1.5px dashed #cbd5e1;
  border-radius: 16px;
  padding: 20px;
}

.preview-badge-header {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: #0284c7;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Alerts / Toasts */
.admin-alert {
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideInDown 0.3s ease;
}

.admin-alert.success {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.admin-alert.danger {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.admin-alert.warning {
  background-color: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

/* Modal */
.admin-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.admin-modal-backdrop.show {
  display: flex;
}

.admin-modal {
  background: #ffffff;
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: modalScale 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.admin-modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-modal-body {
  padding: 24px;
}

.admin-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--admin-border);
  background-color: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* Pagination */
.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-pagination-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.admin-page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  background-color: #ffffff;
  color: #334155;
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.admin-page-link:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
  color: #0f172a;
}

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

/* Login Page Styling */
.admin-login-body {
  background: linear-gradient(135deg, #0b1523 0%, #15273d 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.admin-login-card {
  background: #ffffff;
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  padding: 36px 32px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
}

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

.admin-login-logo {
  height: 52px;
  width: auto;
  margin-bottom: 14px;
}

/* Responsive Layout Helpers */
.admin-grid-2col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.admin-grid-editor {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
}

.admin-filter-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr 1fr auto;
  gap: 12px;
  align-items: end;
}

/* ============================================================
   Responsive Breakpoints
   ============================================================ */
@media (max-width: 991px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  
  .admin-sidebar.open {
    transform: translateX(0);
  }
  
  .admin-main {
    margin-left: 0;
  }
  
  .admin-mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .admin-content {
    padding: 16px;
  }

  .admin-grid-2col,
  .admin-grid-editor {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .preview-sticky-box {
    position: static;
    top: auto;
  }

  .admin-filter-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .admin-filter-grid > div:first-child {
    grid-column: 1 / -1;
  }

  .admin-filter-grid > div:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 576px) {
  .admin-topbar {
    padding: 10px 14px;
  }
  
  .admin-card {
    padding: 14px;
    border-radius: 10px;
  }
  
  .admin-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  
  .admin-stat-card {
    padding: 12px;
    gap: 10px;
  }
  
  .admin-stat-icon {
    width: 38px;
    height: 38px;
    font-size: 17px;
  }
  
  .admin-stat-value {
    font-size: 20px;
  }
  
  .admin-stat-label {
    font-size: 10.5px;
  }

  .admin-filter-grid {
    grid-template-columns: 1fr;
  }
}