/**
 * Admin Dashboard Styles - Futuristic Glassmorphism Tech UI
 * Prompt Gallery Pro
 * Developer: DũngTQ - 0976202028
 * 
 * UI UX Pro Max Skill Applied:
 * - OLED Optimized Dark Theme
 * - Glassmorphism with high blur
 * - Subtle glow effects
 * - Premium micro-animations
 */

/* ==================== CSS VARIABLES ==================== */
:root {
  /* OLED Optimized Colors */
  --admin-bg-primary: #000000;
  --admin-bg-secondary: #0a0e17;
  --admin-bg-tertiary: #0f172a;
  --admin-bg-card: rgba(15, 23, 42, 0.7);
  --admin-bg-card-hover: rgba(30, 41, 59, 0.8);

  /* Accent Gradients */
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-secondary: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  --gradient-glow: linear-gradient(135deg, #22d3ee 0%, #3b82f6 50%, #8b5cf6 100%);

  /* Glow Effects */
  --glow-primary: 0 0 40px rgba(59, 130, 246, 0.3);
  --glow-accent: 0 0 30px rgba(34, 211, 238, 0.2);
  --glow-hover: 0 0 60px rgba(139, 92, 246, 0.4);

  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.02);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.15);

  /* Spacing */
  --sidebar-width: 280px;
}

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

.admin-layout {
  display: flex;
  min-height: 100vh;
  background: var(--admin-bg-primary);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

/* ==================== SIDEBAR - Premium Glass ==================== */

.admin-sidebar {
  width: var(--sidebar-width);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.admin-sidebar__logo {
  padding: var(--space-8) var(--space-6);
  border-bottom: 1px solid var(--glass-border);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.05) 0%, transparent 100%);
}

.admin-sidebar__logo h1 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.admin-sidebar__logo .text-sm {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.5px;
}

/* Navigation */
.admin-nav {
  flex: 1;
  padding: var(--space-6) var(--space-4);
  overflow-y: auto;
}

.admin-nav__item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.admin-nav__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: width 0.3s ease;
}

.admin-nav__item:hover {
  color: var(--color-text-primary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transform: translateX(4px);
}

.admin-nav__item:hover::before {
  width: 100%;
}

.admin-nav__item--active {
  background: var(--admin-bg-card);
  color: #22d3ee;
  border: 1px solid rgba(34, 211, 238, 0.3);
  box-shadow: var(--glow-accent);
}

.admin-nav__item--active::before {
  width: 4px !important;
  background: var(--gradient-glow);
  opacity: 1;
}

.admin-nav__item .icon {
  font-size: var(--text-xl);
  filter: drop-shadow(0 0 4px currentColor);
}

.admin-nav__item .badge {
  margin-left: auto;
  background: var(--gradient-primary);
  color: white;
  font-size: var(--text-xs);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-weight: var(--font-bold);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.5);
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

/* Sidebar Footer */
.admin-sidebar__footer {
  padding: var(--space-6);
  border-top: 1px solid var(--glass-border);
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.3) 0%, transparent 100%);
}

.admin-user {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.admin-user__avatar {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  box-shadow: var(--glow-primary);
}

.admin-user__info {
  display: flex;
  flex-direction: column;
}

.admin-user__name {
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  color: var(--color-text-primary);
}

.admin-user__role {
  font-size: var(--text-xs);
  color: #22d3ee;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==================== MAIN CONTENT ==================== */

.admin-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--space-8);
  min-height: 100vh;
}

/* Header */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--glass-border);
}

.admin-header__left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.admin-header__left h2 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.admin-menu-toggle {
  display: none;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.admin-header__actions .btn--primary {
  background: var(--gradient-primary);
  border: none;
  box-shadow: var(--glow-primary);
  transition: all 0.3s ease;
}

.admin-header__actions .btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-hover);
}

/* ==================== STATS CARDS - Glowing Glass ==================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-glow);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-8px);
  box-shadow: var(--glow-accent);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card--accent {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
  border-color: rgba(34, 211, 238, 0.2);
}

.stat-card--accent:hover {
  box-shadow: 0 0 50px rgba(34, 211, 238, 0.3);
}

.stat-card__icon {
  font-size: var(--text-3xl);
  width: 64px;
  height: 64px;
  background: var(--admin-bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.stat-card__value {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==================== SECTIONS ==================== */

.admin-section {
  margin-bottom: var(--space-8);
}

.admin-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.admin-section__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.admin-section__title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--gradient-glow);
  border-radius: var(--radius-full);
}

/* ==================== QUICK ACTIONS - Animated Cards ==================== */

.quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.quick-action-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.quick-action-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.quick-action-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: transparent;
  box-shadow: var(--glow-hover);
}

.quick-action-card:hover::after {
  opacity: 0.1;
}

.quick-action-card__icon {
  font-size: 40px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 10px currentColor);
  transition: transform 0.3s ease;
}

.quick-action-card:hover .quick-action-card__icon {
  transform: scale(1.2);
}

.quick-action-card__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  position: relative;
  z-index: 1;
  transition: color 0.3s ease;
}

.quick-action-card:hover .quick-action-card__label {
  color: var(--color-text-primary);
}

/* ==================== ACTIVITY LIST ==================== */

.activity-list {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.3s ease;
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-item:hover {
  background: var(--admin-bg-card-hover);
}

.activity-item__icon {
  width: 44px;
  height: 44px;
  background: var(--admin-bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

.activity-item__content {
  flex: 1;
}

.activity-item__text {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.activity-item__time {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==================== TABLE - Glass Style ==================== */

.admin-table-wrapper {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

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

.admin-table th,
.admin-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.admin-table th {
  background: var(--admin-bg-tertiary);
  font-weight: var(--font-semibold);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-table tbody tr {
  transition: all 0.3s ease;
}

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

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

.table-image {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--admin-bg-tertiary);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.table-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.table-title {
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.table-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

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

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status--published {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status--published::before {
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.status--pending {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status--pending::before {
  background: #f59e0b;
  box-shadow: 0 0 8px #f59e0b;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.status--rejected {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.status--rejected::before {
  background: #ef4444;
}

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

.pending-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.pending-card {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition: all 0.3s ease;
}

.pending-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glow-accent);
}

.pending-card__image {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--glass-border);
}

.pending-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pending-card__content {
  flex: 1;
  min-width: 0;
}

.pending-card__content h4 {
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
  color: var(--color-text-primary);
}

.pending-card__prompt {
  background: var(--admin-bg-primary);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-height: 100px;
  overflow: hidden;
  margin-top: var(--space-3);
  border: 1px solid var(--glass-border);
}

.pending-card__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  justify-content: center;
}

.pending-card__actions .btn--success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.pending-card__actions .btn--danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

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

@media (max-width: 1400px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quick-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main {
    margin-left: 0;
  }

  .admin-menu-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .quick-actions {
    grid-template-columns: 1fr 1fr;
  }

  .pending-card {
    flex-direction: column;
  }

  .pending-card__image {
    width: 100%;
    height: 200px;
  }

  .pending-card__actions {
    flex-direction: row;
    justify-content: flex-start;
    margin-top: var(--space-4);
  }

  .stat-card__value {
    font-size: var(--text-2xl);
  }
}