/* ==========================================================================
   MALAWI EDUCATION BOOKS AND VACANCIES - STYLING
   ========================================================================== */

/* --- Import Clean, Modern Google Font --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- Root Variables for Light Mode --- */
:root {
  --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette - Vibrant, Readable, High Contrast */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  /* Brand Accent Colors (Nod to Malawi Flag with Modern/Professional Hue) */
  --color-primary: #0284c7;        /* Education Sky Blue */
  --color-primary-hover: #0369a1;
  --color-secondary: #16a34a;      /* Growth Green */
  --color-secondary-hover: #15803d;
  --color-accent: #dc2626;         /* Highlight Red */
  --color-accent-hover: #b91c1c;
  --color-gold: #eab308;           /* Sun Yellow / Achievements */
  
  /* Borders & Shadows */
  --border-color: #e2e8f0;
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Animation Speeds */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Z-Index Hierarchy */
  --z-toast: 1100;
  --z-modal: 1000;
  --z-splash: 999;
  --z-header: 900;
}

/* --- Dark Mode Variables overrides --- */
body.dark-mode {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --color-primary: #38bdf8;
  --color-primary-hover: #7dd3fc;
  --color-secondary: #4ade80;
  --color-secondary-hover: #86efac;
  --color-accent: #f87171;
  --color-accent-hover: #fca5a5;
  
  --border-color: #334155;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   RESET & SYSTEM STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ==========================================================================
   GLOBAL STRUCTURE
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

main {
  flex-grow: 1;
  padding-top: 80px; /* Offset for sticky header */
  padding-bottom: 3rem;
}

.text-center { text-align: center; }
.hidden { display: none !important; }

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */
.main-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: var(--z-header);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.brand-logo {
  height: 44px;
  width: 44px;
  object-fit: contain;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* User Profile / CTA in Header */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Dark Mode Switcher Toggle */
.theme-toggle-btn {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.theme-toggle-btn:hover {
  transform: scale(1.05);
  background-color: var(--border-color);
}

/* Hamburger Menu (Mobile) */
.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  background: none;
  cursor: pointer;
  color: var(--text-primary);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff !important;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: #ffffff !important;
}

.btn-secondary:hover {
  background-color: var(--color-secondary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #ffffff !important;
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary) !important;
  background-color: transparent;
  box-shadow: none;
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff !important;
}

.btn-text {
  background: none;
  border: none;
  color: var(--text-secondary);
  box-shadow: none;
  padding: 0.5rem 1rem;
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Small Button Variant */
.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  border-radius: var(--border-radius-sm);
}

/* Block Button Variant */
.btn-block {
  display: flex;
  width: 100%;
}

/* ==========================================================================
   GLOBAL SPLASH SYSTEM (LOADING & DIALOGS)
   ========================================================================== */
.splash-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.9);
  z-index: var(--z-splash);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  backdrop-filter: blur(8px);
}

.splash-overlay.active {
  opacity: 1;
  visibility: visible;
}

.splash-container {
  text-align: center;
  color: #ffffff;
  max-width: 400px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.splash-logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 50%;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
}

/* Pulse animation for Logo when loaded without explicit spinner */
.splash-logo.pulsing {
  animation: logoPulse 1.8s infinite ease-in-out;
}

.splash-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-left-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1.5rem;
}

.splash-message {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

/* Progress bar inside Splash Loading */
.splash-progress-container {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  height: 6px;
  border-radius: 3px;
  margin-top: 1rem;
  overflow: hidden;
}

.splash-progress-bar {
  width: 0%;
  height: 100%;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes logoPulse {
  0% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.08); filter: brightness(1.2); }
  100% { transform: scale(1); filter: brightness(1); }
}

/* ==========================================================================
   TOAST NOTIFICATION SYSTEM
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 420px;
  width: calc(100% - 4rem);
}

.toast {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-left: 5px solid var(--color-primary);
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.toast-icon {
  font-size: 1.25rem;
  display: inline-flex;
}

.toast-close {
  cursor: pointer;
  background: none;
  border: none;
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1;
}

.toast-close:hover {
  color: var(--text-primary);
}

.toast-success { border-left-color: var(--color-secondary); }
.toast-error { border-left-color: var(--color-accent); }
.toast-warning { border-left-color: var(--color-gold); }

/* ==========================================================================
   MODALS SYSTEM
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  padding: 1rem;
  overflow: auto;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  width: 100%;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 2rem);
  min-height: 0;
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  background: none;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-header {
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.modal-body {
  margin-bottom: 1.5rem;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  flex-shrink: 0;
}

/* ==========================================================================
   FORMS & INPUTS
   ========================================================================== */
.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border-radius: var(--border-radius-md);
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Textarea variant */
textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Help text */
.form-help {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* ==========================================================================
   CARD SYSTEM
   ========================================================================== */
.grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-img-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  background-color: var(--bg-tertiary);
  overflow: hidden;
}

.card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

.card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.card-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   BOOKS SPECIFIC
   ========================================================================== */
.books-hero {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.05) 0%, rgba(22, 163, 74, 0.05) 100%);
  border-radius: var(--border-radius-lg);
  padding: 3rem 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.search-filter-section {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.search-input-wrapper {
  flex-grow: 2;
  position: relative;
  min-width: 250px;
}

.search-input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-input-wrapper .form-control {
  padding-left: 2.75rem;
}

.filter-select {
  flex-grow: 1;
  min-width: 180px;
}

/* Book Details Card specific layout */
.book-cover-wrap {
  position: relative;
  width: 100%;
  padding-top: 140%; /* Book Aspect Ratio 1:1.4 roughly */
  border-bottom: 1px solid var(--border-color);
}

.book-card-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

/* Rating Stars rendering */
.star-rating {
  display: inline-flex;
  gap: 0.15rem;
  color: var(--color-gold);
}

/* ==========================================================================
   VIDEO PLAYER & LIBRARY
   ========================================================================== */
.video-grid-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

@media (max-width: 992px) {
  .video-grid-layout {
    grid-template-columns: 1fr;
  }
}

.player-container {
  background-color: #000000;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.player-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-playlist {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  max-height: 600px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.playlist-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  font-weight: 700;
}

.playlist-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.playlist-item:hover, .playlist-item.active {
  background-color: var(--bg-tertiary);
}

.playlist-item-thumbnail {
  width: 100px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-tertiary);
}

.playlist-item-content {
  flex-grow: 1;
}

.playlist-item-title {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   PYTHON ACADEMY
   ========================================================================== */
.academy-hero {
  background: radial-gradient(circle at top right, rgba(234, 179, 8, 0.08) 0%, rgba(2, 132, 199, 0.05) 100%);
  border-radius: var(--border-radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  margin-bottom: 3rem;
  border: 1px solid var(--border-color);
}

.academy-progress-wrapper {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.progress-track {
  width: 100%;
  background-color: var(--bg-tertiary);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  background-color: var(--color-secondary);
  height: 100%;
  width: 0%;
  transition: width var(--transition-slow);
}

/* Quiz UI elements */
.quiz-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  margin-top: 2rem;
}

.quiz-question {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  margin-bottom: 1rem;
  transition: all var(--transition-fast);
}

.quiz-option:hover {
  border-color: var(--color-primary);
  background-color: var(--bg-tertiary);
}

.quiz-option.selected {
  border-color: var(--color-primary);
  background-color: rgba(2, 132, 199, 0.08);
}

/* Certificate Preview Frame */
.certificate-preview {
  border: 8px double var(--color-gold);
  padding: 3rem;
  background-color: #ffffff;
  color: #1e293b;
  text-align: center;
  font-family: 'Georgia', serif;
  margin-top: 2rem;
  box-shadow: var(--shadow-lg);
}

.certificate-title {
  font-size: 2rem;
  color: var(--color-primary-hover);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   VACANCIES
   ========================================================================== */
.vacancy-card {
  border-left: 5px solid var(--color-primary);
}

.vacancy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* =font color override to remain beautifully visible */
.vacancy-card .card-title {
  color: var(--text-primary);
}

/* ==========================================================================
   ADMIN PANEL DASHBOARD
   ========================================================================== */
.admin-container {
  display: flex;
  gap: 2rem;
  margin-top: 1.5rem;
}

@media (max-width: 992px) {
  .admin-container {
    flex-direction: column;
  }
}

.admin-sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem 1rem;
  flex-shrink: 0;
}

@media (max-width: 992px) {
  .admin-sidebar {
    width: 100%;
  }
}

.admin-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (max-width: 992px) {
  .admin-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-md);
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.admin-content {
  flex-grow: 1;
}

/* Data Table standard */
.admin-table-wrapper {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
  margin-top: 1.5rem;
}

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

.admin-table th, .admin-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.admin-table th {
  background-color: var(--bg-tertiary);
  font-weight: 700;
  color: var(--text-primary);
}

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

.admin-table tbody tr:hover {
  background-color: var(--bg-tertiary);
}

.badge-role {
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
}

.role-admin { background-color: rgba(220, 38, 38, 0.15); color: var(--color-accent); }
.role-moderator { background-color: rgba(234, 179, 8, 0.15); color: var(--color-gold); }
.role-content_manager { background-color: rgba(2, 132, 199, 0.15); color: var(--color-primary); }
.role-user { background-color: rgba(71, 85, 105, 0.15); color: var(--text-secondary); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  margin-top: auto;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-heading {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

.footer-copy {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   MOBILE RESPONSIVE NAVIGATION STYLING
   ========================================================================== */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: left 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 10;
    overflow-y: auto;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .nav-link {
    font-size: 1.2rem;
    display: block;
    width: 100%;
    padding: 0.5rem 0;
  }
  
  .nav-link.active::after {
    bottom: 0;
    width: 40px;
  }
}

/* ==========================================================================
   ACCESSIBILITY & UTILITIES
   ========================================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}