/* Mobile-Specific Optimizations */

/* Touch-friendly interactions */
@media (max-width: 768px) {
  /* Increase tap target sizes */
  .btn, .action-btn {
    min-height: 44px;
    min-width: 44px;
  }
  
  .icon-btn {
    min-width: 44px;
    min-height: 44px;
  }
  
  /* Full-width cards on mobile */
  .home-card {
    width: 100%;
  }
  
  /* Adjust modal for mobile */
  .modal-content {
    max-width: 100%;
    margin: 0 var(--spacing-sm);
    max-height: 95vh;
  }
  
  /* Stack action buttons vertically on small screens */
  .action-buttons {
    flex-direction: column;
  }
  
  .action-btn {
    flex-direction: row;
    justify-content: flex-start;
    padding: var(--spacing-md);
  }
  
  /* Adjust pagination for mobile */
  .pagination {
    flex-direction: column;
    align-items: stretch;
  }
  
  .pagination-buttons {
    justify-content: space-between;
    width: 100%;
  }
  
  .pagination-btn {
    flex: 1;
  }
  
  /* Reduce spacing on mobile */
  .main-content {
    padding: var(--spacing-sm);
  }
  
  /* Adjust card padding */
  .card-body {
    padding: var(--spacing-md);
  }
  
  /* Adjust font sizes for mobile */
  .rule-title {
    font-size: var(--font-size-xl);
  }
  
  .rule-body h3 {
    font-size: var(--font-size-lg);
  }
  
  /* Toast adjustments */
  .toast-container {
    right: var(--spacing-sm);
    left: var(--spacing-sm);
  }
  
  .toast {
    min-width: auto;
    width: 100%;
  }
}

/* Extra small devices (phones in portrait) */
@media (max-width: 360px) {
  :root {
    --font-size-base: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-xxl: 24px;
  }
  
  .navbar-title {
    font-size: var(--font-size-base);
  }
  
  .home-card-icon i {
    font-size: 48px;
  }
  
  .bottom-nav-item i {
    font-size: 20px;
  }
  
  .bottom-nav-item span {
    font-size: 10px;
  }
}

/* Landscape mode adjustments */
@media (max-height: 500px) and (orientation: landscape) {
  .main-content {
    margin-bottom: 50px;
  }
  
  .bottom-nav {
    height: 50px;
  }
  
  .voice-chat-btn {
    bottom: calc(50px + 8px);
    right: 8px;
    width: 48px;
    height: 48px;
  }
}

/* Prevent zoom on input focus (iOS) */
@media (max-width: 768px) {
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="search"],
  select,
  textarea {
    font-size: 16px !important;
  }
}

/* Safe area adjustments for notched devices */
@supports (padding: max(0px)) {
  .navbar {
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
    padding-top: max(0px, env(safe-area-inset-top));
  }
  
  .bottom-nav {
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
    padding-bottom: max(0px, env(safe-area-inset-bottom));
  }
  
  .sidebar {
    padding-top: max(0px, env(safe-area-inset-top));
  }
}

/* Disable text selection for UI elements */
.navbar, .sidebar, .bottom-nav, .btn, .action-btn {
  -webkit-user-select: none;
  user-select: none;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Prevent overscroll bounce on iOS */
body {
  overscroll-behavior-y: none;
}

/* Custom scrollbar for mobile */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--medium-gray);
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--dark-gray);
}

/* Haptic feedback simulation (visual) */
.btn:active, .action-btn:active, .icon-btn:active {
  transform: scale(0.95);
}

/* Loading state for buttons */
.btn.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-radius: 50%;
  border-top-color: currentColor;
  animation: button-spin 0.6s linear infinite;
}

@keyframes button-spin {
  to { transform: rotate(360deg); }
}

/* Pull to refresh indicator */
.ptr-indicator {
  position: fixed;
  top: var(--navbar-height);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  z-index: 999;
}

.ptr-indicator.active {
  display: flex;
}

.ptr-icon {
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary-blue);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}