/* MOBILE OPTIMIZATION STYLES */
/* Ultra-mobile-first design with touch optimization and gesture support */

:root {
  /* Mobile-specific CSS variables */
  --mobile-header-height: 56px;
  --mobile-footer-height: 64px;
  --mobile-tab-height: 48px;
  --mobile-safe-area-top: env(safe-area-inset-top);
  --mobile-safe-area-bottom: env(safe-area-inset-bottom);
  --mobile-safe-area-left: env(safe-area-inset-left);
  --mobile-safe-area-right: env(safe-area-inset-right);

  /* Touch target sizes */
  --min-touch-target: 44px;
  --comfortable-touch-target: 48px;

  /* Mobile spacing */
  --mobile-spacing-xs: 4px;
  --mobile-spacing-sm: 8px;
  --mobile-spacing-md: 16px;
  --mobile-spacing-lg: 24px;
  --mobile-spacing-xl: 32px;

  /* Mobile typography */
  --mobile-font-size-xs: 12px;
  --mobile-font-size-sm: 14px;
  --mobile-font-size-md: 16px;
  --mobile-font-size-lg: 18px;
  --mobile-font-size-xl: 20px;
  --mobile-font-size-xxl: 24px;
}

/* Mobile-only styles */
@media (max-width: 767px) {
  .mobile-optimized {
    /* Safe area adjustments for notched devices */
    padding-top: var(--mobile-safe-area-top, 0);
    padding-bottom: var(--mobile-safe-area-bottom, 0);
    padding-left: var(--mobile-safe-area-left, 0);
    padding-right: var(--mobile-safe-area-right, 0);
  }

  /* Hide desktop-specific elements on mobile */
  .desktop-only {
    display: none !important;
  }

  /* Mobile-specific UI elements */
  #mobile-ui-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    pointer-events: none;
  }

  .mobile-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 16px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    font-size: var(--mobile-font-size-xs);
    color: #00ff41;
    height: 24px;
  }

  .mobile-gesture-hints {
    position: fixed;
    bottom: calc(var(--mobile-safe-area-bottom, 0) + 80px);
    left: 16px;
    right: 16px;
    pointer-events: none;
  }

  .gesture-hint {
    background: rgba(0, 0, 0, 0.9);
    color: #00ff41;
    padding: 8px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
    font-size: var(--mobile-font-size-xs);
    border: 1px solid #00ff41;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
  }

  .gesture-hint.show {
    opacity: 1;
    transform: translateY(0);
  }

  /* Mobile context menu */
  .mobile-context-menu {
    background: rgba(0, 0, 0, 0.95);
    border: 1px solid #00ff41;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 255, 65, 0.3);
    backdrop-filter: blur(20px);
    overflow: hidden;
  }

  .mobile-context-menu > div {
    transition: background-color 0.2s ease;
  }

  .mobile-context-menu > div:active {
    background-color: rgba(0, 255, 65, 0.2);
  }

  /* Touch target optimization */
  button, a, input, select, textarea, [role="button"] {
    min-width: var(--min-touch-target);
    min-height: var(--min-touch-target);
    touch-action: manipulation;
  }

  /* Larger touch targets for important actions */
  .btn-primary, .btn-secondary, .action-button {
    min-height: var(--comfortable-touch-target);
    padding: 12px 24px;
    font-size: var(--mobile-font-size-md);
  }

  /* Mobile-specific button styles */
  .mobile-optimized button {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
  }

  .mobile-optimized button:active {
    transform: scale(0.98);
    opacity: 0.8;
  }

  /* Mobile navigation */
  .mobile-nav {
    position: fixed;
    bottom: var(--mobile-safe-area-bottom, 0);
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid #00ff41;
    padding-bottom: var(--mobile-safe-area-bottom, 0);
    z-index: 1000;
  }

  .mobile-nav-tabs {
    display: flex;
    justify-content: space-around;
    padding: 8px;
  }

  .mobile-nav-tab {
    flex: 1;
    text-align: center;
    padding: 8px;
    color: #00ff41;
    text-decoration: none;
    font-size: var(--mobile-font-size-sm);
    border-radius: 8px;
    transition: all 0.2s ease;
    min-height: var(--comfortable-touch-target);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .mobile-nav-tab.active {
    background: rgba(0, 255, 65, 0.2);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
  }

  .mobile-nav-tab:active {
    background: rgba(0, 255, 65, 0.1);
    transform: scale(0.95);
  }

  /* Mobile header */
  .mobile-header {
    position: fixed;
    top: var(--mobile-safe-area-top, 0);
    left: 0;
    right: 0;
    height: var(--mobile-header-height);
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid #00ff41;
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 16px;
  }

  .mobile-header-title {
    font-size: var(--mobile-font-size-lg);
    font-weight: 600;
    color: #00ff41;
    flex: 1;
    text-align: center;
  }

  .mobile-header-action {
    width: var(--comfortable-touch-target);
    height: var(--comfortable-touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00ff41;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
  }

  .mobile-header-action:active {
    background: rgba(0, 255, 65, 0.2);
    transform: scale(0.95);
  }

  /* Adjust main content for fixed header/footer */
  .mobile-optimized .game-container {
    padding-top: calc(var(--mobile-header-height) + var(--mobile-safe-area-top, 0) + 16px);
    padding-bottom: calc(var(--mobile-footer-height) + var(--mobile-safe-area-bottom, 0) + 16px);
  }

  /* Mobile-specific layout adjustments */
  .tab-content {
    padding: var(--mobile-spacing-md);
  }

  .character-grid, .mission-grid, .market-grid {
    grid-template-columns: 1fr;
    gap: var(--mobile-spacing-md);
  }

  .character-card, .mission-card, .market-item {
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.2s ease;
  }

  .character-card:active, .mission-card:active, .market-item:active {
    transform: scale(0.98);
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.3);
  }

  /* Mobile forms */
  .mobile-optimized form {
    padding: var(--mobile-spacing-md);
  }

  .mobile-optimized input, .mobile-optimized select, .mobile-optimized textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #00ff41;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.8);
    color: #00ff41;
    font-size: var(--mobile-font-size-md);
    min-height: var(--comfortable-touch-target);
    box-sizing: border-box;
  }

  .mobile-optimized input:focus, .mobile-optimized select:focus, .mobile-optimized textarea:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 255, 65, 0.5);
    border-color: #00ff41;
  }

  /* Mobile modals */
  .mobile-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    z-index: 10001;
    display: flex;
    flex-direction: column;
  }

  .mobile-modal-header {
    padding: 16px;
    border-bottom: 1px solid #00ff41;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
  }

  .mobile-modal-title {
    font-size: var(--mobile-font-size-lg);
    font-weight: 600;
    color: #00ff41;
  }

  .mobile-modal-close {
    width: var(--comfortable-touch-target);
    height: var(--comfortable-touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00ff41;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
  }

  .mobile-modal-close:active {
    background: rgba(0, 255, 65, 0.2);
    transform: scale(0.95);
  }

  .mobile-modal-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    -webkit-overflow-scrolling: touch;
  }

  .mobile-modal-footer {
    padding: 16px;
    border-top: 1px solid #00ff41;
    display: flex;
    gap: 12px;
    flex-shrink: 0;
  }

  /* Mobile keyboard handling */
  .keyboard-visible .mobile-modal {
    padding-bottom: 0;
  }

  .keyboard-visible .mobile-modal-content {
    max-height: 50vh;
  }

  /* Mobile toast notifications */
  .mobile-toast {
    position: fixed;
    top: calc(var(--mobile-safe-area-top, 0) + 20px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10002;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: var(--mobile-font-size-sm);
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    animation: slideInFromTop 0.3s ease-out;
  }

  @keyframes slideInFromTop {
    from {
      transform: translateX(-50%) translateY(-100%);
      opacity: 0;
    }
    to {
      transform: translateX(-50%) translateY(0);
      opacity: 1;
    }
  }

  /* Swipe indicators */
  .swipe-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(0, 255, 65, 0.7);
    font-size: var(--mobile-font-size-xs);
    pointer-events: none;
    animation: fadeInOut 2s infinite;
  }

  @keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
  }

  /* Pull-to-refresh indicator */
  .pull-refresh-indicator {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    color: #00ff41;
    font-size: var(--mobile-font-size-sm);
    transition: transform 0.3s ease;
  }

  .pull-refresh-indicator.pulling {
    transform: translateX(-50%) translateY(60px);
  }

  .pull-refresh-indicator.ready {
    transform: translateX(-50%) translateY(60px);
  }

  .pull-refresh-indicator.ready::after {
    content: ' ↻';
    animation: spin 1s linear infinite;
  }

  @keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  /* Loading states */
  .mobile-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: #00ff41;
  }

  .mobile-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(0, 255, 65, 0.3);
    border-top: 3px solid #00ff41;
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }

  /* Offline indicator */
  .offline-indicator {
    position: fixed;
    top: calc(var(--mobile-safe-area-top, 0) + var(--mobile-header-height) + 10px);
    right: 16px;
    background: #ff9800;
    color: black;
    padding: 8px 12px;
    border-radius: 16px;
    font-size: var(--mobile-font-size-xs);
    font-weight: 600;
    z-index: 10001;
  }

  /* Network status */
  .slow-connection * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .fast-connection {
    /* Normal animations allowed */
  }

  /* Orientation-specific styles */
  .portrait-mode .game-container {
    padding-bottom: calc(var(--mobile-footer-height) + var(--mobile-safe-area-bottom, 0) + 32px);
  }

  .landscape-mode .mobile-nav {
    display: none;
  }

  .landscape-mode .mobile-header {
    height: 40px;
  }

  /* Touch feedback */
  .touch-feedback {
    position: relative;
    overflow: hidden;
  }

  .touch-feedback::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(0, 255, 65, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
    pointer-events: none;
  }

  .touch-feedback:active::before {
    width: 200px;
    height: 200px;
  }

  /* Accessibility improvements */
  @media (prefers-reduced-motion: reduce) {
    .mobile-optimized * {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
  }

  /* High contrast mode */
  @media (prefers-contrast: high) {
    .mobile-optimized {
      --mobile-accent-color: #00ff41;
      --mobile-bg-color: #000000;
      --mobile-text-color: #ffffff;
    }

    .mobile-nav-tab,
    .mobile-header-action,
    .mobile-modal-close {
      border: 2px solid #00ff41;
    }
  }

  /* Reduced data mode */
  @media (prefers-reduced-data: reduce) {
    .mobile-optimized img {
      filter: none !important;
    }

    .mobile-optimized .background-effects {
      display: none;
    }
  }
}

/* Tablet optimizations (768px to 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .mobile-optimized {
    --min-touch-target: 40px;
    --comfortable-touch-target: 44px;
  }

  .mobile-nav-tabs {
    padding: 12px;
  }

  .mobile-nav-tab {
    font-size: var(--mobile-font-size-md);
  }

  .character-grid, .mission-grid, .market-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Large mobile devices (414px and up) */
@media (min-width: 414px) and (max-width: 767px) {
  .mobile-optimized {
    --mobile-font-size-md: 17px;
    --mobile-font-size-lg: 19px;
    --mobile-font-size-xl: 21px;
  }

  .character-grid, .mission-grid, .market-grid {
    grid-template-columns: repeat(1, 1fr);
    gap: var(--mobile-spacing-lg);
  }

  .character-card, .mission-card, .market-item {
    padding: var(--mobile-spacing-lg);
  }
}

/* Small mobile devices (up to 375px) */
@media (max-width: 375px) {
  .mobile-optimized {
    --mobile-font-size-sm: 13px;
    --mobile-font-size-md: 15px;
    --mobile-spacing-md: 12px;
    --mobile-spacing-lg: 20px;
  }

  .mobile-nav-tab {
    font-size: var(--mobile-font-size-xs);
    padding: 6px 4px;
  }

  .mobile-header {
    padding: 0 12px;
  }

  .mobile-header-title {
    font-size: var(--mobile-font-size-md);
  }
}

/* Performance optimizations for low-end devices */
@media (max-width: 767px) {
  .reduced-motion .mobile-optimized * {
    animation: none !important;
    transition: none !important;
  }

  .reduced-motion .mobile-spinner {
    animation: spin 2s linear infinite;
  }
}

/* Print styles for mobile */
@media print {
  .mobile-nav,
  .mobile-header,
  .mobile-toast,
  .mobile-context-menu,
  .gesture-hint {
    display: none !important;
  }

  .mobile-optimized .game-container {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
}