/* App CSS Variables */
:root {
  --primary: #0468ff;
  --primary-dark: #0042af;
  --primary-light: #3b82f6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  --bg: #f9fafb;
  --bg-secondary: #f3f4f6;
  --text: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  
  --card-bg: #ffffff;
  --card-border: #e5e7eb;
  --sidebar-bg: #ffffff;
  --header-bg: #ffffff;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --transition: 0.2s ease;
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 80px;
  --header-height: 70px;
}

body.dark-mode {
  --bg: #0f172a;
  --bg-secondary: #1e293b;
  --text: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --card-bg: #1e293b;
  --card-border: #334155;
  --sidebar-bg: #1e293b;
  --header-bg: #1e293b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

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

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* App Container */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  z-index: 1000;
  transition: width var(--transition), transform var(--transition);
}

.app-sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.app-sidebar.collapsed .logo-name,
.app-sidebar.collapsed .nav-item span {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar-header {
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--card-border);
  height: var(--header-height);
}

.logo-compact {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.logo-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  transition: opacity var(--transition);
}

.sidebar-toggle {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  flex-shrink: 0;
}

.sidebar-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.25rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav-item:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.nav-item.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #ffffff;
}

.nav-item svg {
  flex-shrink: 0;
}

.nav-item span {
  white-space: nowrap;
  transition: opacity var(--transition);
}

.sidebar-footer {
  padding: 1rem 0.75rem;
  border-top: 1px solid var(--card-border);
}

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

.app-sidebar.collapsed ~ .app-main {
  margin-left: var(--sidebar-collapsed-width);
}

/* Header */
.app-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--card-border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.5rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-btn {
  position: relative;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.625rem;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.header-btn:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--danger);
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.125rem 0.375rem;
  border-radius: 10px;
  min-width: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dark-mode-toggle {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.625rem;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  position: relative;
}

.dark-mode-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.dark-mode-toggle .sun-icon {
  display: block;
}

.dark-mode-toggle .moon-icon {
  display: none;
}

body.dark-mode .dark-mode-toggle .sun-icon {
  display: none;
}

body.dark-mode .dark-mode-toggle .moon-icon {
  display: block;
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-avatar {
  background: transparent;
  border: 2px solid var(--card-border);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  width: 40px;
  height: 40px;
  overflow: hidden;
  transition: all var(--transition);
}

.user-avatar:hover {
  border-color: var(--primary);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition);
}

.user-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-info {
  padding: 1rem;
}

.user-name {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.user-email {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.dropdown-divider {
  height: 1px;
  background: var(--card-border);
  margin: 0.5rem 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--text);
  text-decoration: none;
  transition: all var(--transition);
  font-size: 0.9375rem;
}

.dropdown-item:hover {
  background: var(--bg-secondary);
}

.dropdown-item svg {
  color: var(--text-secondary);
}

/* Notifications Panel */
.notifications-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  height: 100vh;
  background: var(--card-bg);
  border-left: 1px solid var(--card-border);
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform var(--transition);
  z-index: 2000;
  display: flex;
  flex-direction: column;
}

.notifications-panel.active {
  transform: translateX(0);
}

.notifications-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notifications-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.close-notifications {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.close-notifications:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.notifications-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.notification-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
  transition: all var(--transition);
  cursor: pointer;
}

.notification-item:hover {
  background: var(--bg-secondary);
}

.notification-item.unread {
  background: var(--bg-secondary);
}

.notification-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notification-icon.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.notification-icon.info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

.notification-icon.reward {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.notification-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.notification-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Content Container */
.content-container {
  flex: 1;
  padding: 2rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.view {
  display: none;
  animation: fadeIn 0.3s ease;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
}

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

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
}

.see-all {
  font-size: 0.875rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.see-all:hover {
  text-decoration: underline;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

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

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon.wallet-icon {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.stat-icon.nft-icon {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.stat-icon.rewards-icon {
  background: linear-gradient(135deg, #fbc2eb 0%, #a6c1ee 100%);
  color: white;
}

.stat-icon.tasks-icon {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  color: white;
}

.stat-info {
  flex: 1;
  min-width: 0;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.stat-change {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.stat-change.positive {
  color: var(--success);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.5rem;
}

/* Quick Actions */
.quick-actions {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1rem;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  color: var(--text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  transition: all var(--transition);
}

.action-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.action-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}

.action-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Activity List */
.activity-list {
  padding: 1rem 1.5rem;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--card-border);
}

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

.activity-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.activity-icon.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.activity-icon.nft {
  background: rgba(245, 85, 108, 0.1);
  color: #f5576c;
}

.activity-icon.reward {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.activity-icon.wallet {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
}

.activity-content {
  flex: 1;
}

.activity-title {
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.125rem;
}

.activity-time {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Wallet View */
.wallet-content {
  padding: 2rem;
}

.wallet-balance-large {
  text-align: center;
  padding: 2rem 0;
  margin-bottom: 2rem;
}

.balance-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.balance-amount {
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.wallet-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.wallet-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  color: var(--text);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.wallet-action-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* NFT Grid */
.nft-grid {
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.nft-card-placeholder {
  aspect-ratio: 1;
  background: var(--bg-secondary);
  border: 2px dashed var(--card-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
}

.placeholder-icon {
  font-size: 3rem;
}

.nft-card-placeholder p {
  color: var(--text-secondary);
  font-weight: 500;
}

/* GameFi */
.gamefi-content {
  padding: 2rem;
}

.game-card {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.game-image {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.game-info h4 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.game-info p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Rewards */
.rewards-content {
  padding: 2rem;
}

.points-display {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
}

.points-icon {
  font-size: 4rem;
}

.points-info {
  color: white;
}

.points-label {
  font-size: 0.875rem;
  opacity: 0.9;
  margin-bottom: 0.25rem;
}

.points-value {
  font-size: 2.5rem;
  font-weight: 700;
}

.rewards-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.reward-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
}

.reward-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.reward-points {
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 600;
}

.claim-btn {
  padding: 0.625rem 1.5rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.claim-btn:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.claim-btn:disabled {
  background: var(--bg-secondary);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Tasks */
.tasks-list {
  padding: 1rem 1.5rem;
}

.task-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: all var(--transition);
}

.task-item:hover {
  background: var(--bg-secondary);
}

.task-item.completed {
  opacity: 0.6;
}

.task-checkbox {
  width: 24px;
  height: 24px;
  border: 2px solid var(--card-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}

.task-item.completed .task-checkbox {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.task-info {
  flex: 1;
}

.task-title {
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.125rem;
}

.task-reward {
  font-size: 0.8125rem;
  color: var(--primary);
  font-weight: 600;
}

.task-progress {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* Directory */
.directory-grid {
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}

.directory-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  text-align: center;
  text-decoration: none;
  transition: all var(--transition);
}

.directory-item:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.directory-item img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.directory-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.directory-item:hover h4 {
  color: white;
}

.directory-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

.directory-item:hover p {
  color: rgba(255, 255, 255, 0.9);
}

/* Settings */
.settings-content {
  padding: 2rem;
}

.settings-section {
  margin-bottom: 2rem;
}

.settings-section h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
}

.setting-item label {
  font-weight: 500;
  color: var(--text);
}

.setting-item select,
.setting-item input[type="checkbox"] {
  cursor: pointer;
}

.setting-item select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  color: var(--text);
  font-family: inherit;
}

/* Buttons */
.btn-primary-sm {
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-block;
}

.btn-primary-sm:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-secondary-sm {
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-block;
}

.btn-secondary-sm:hover {
  background: var(--card-bg);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-danger {
  padding: 0.75rem 1.5rem;
  background: var(--danger);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

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

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--card-bg);
  color: var(--text);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--card-border);
  z-index: 3000;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-sidebar {
    transform: translateX(-100%);
  }
  
  .app-sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .app-main {
    margin-left: 0 !important;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .page-title {
    font-size: 1.25rem;
  }
  
  .content-container {
    padding: 1rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-actions {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .wallet-actions-grid {
    grid-template-columns: 1fr;
  }
  
  .game-card {
    flex-direction: column;
  }
  
  .game-image {
    width: 100%;
  }
  
  .notifications-panel {
    width: 100%;
  }
  
  .directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .app-header {
    padding: 0 1rem;
  }
  
  .header-right {
    gap: 0.5rem;
  }
  
  .stat-value {
    font-size: 1.5rem;
  }
  
  .balance-amount {
    font-size: 2rem;
  }
  
  .points-value {
    font-size: 2rem;
  }
  
  .quick-actions {
    grid-template-columns: 2fr;
  }
  
  .nft-grid,
  .directory-grid {
    grid-template-columns: 1fr;
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--card-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

body.dark-mode ::-webkit-scrollbar-thumb {
  background: var(--card-border);
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}