/* =========================================== */
/* MOBILE TOUCH ENHANCEMENTS */
/* Enhanced touch feedback, haptics, gestures */
/* =========================================== */

@media (max-width: 768px) {
  /* ===== ENHANCED TOUCH FEEDBACK ===== */
  .touch-target,
  button,
  .btn,
  .nav-link,
  .artwork-card,
  .category-card,
  a[role="button"] {
    min-height: 44px;
    min-width: 44px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(99, 102, 241, 0.2);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
  }
  
  /* Active touch state */
  .touch-target:active,
  button:active,
  .btn:active,
  .nav-link:active,
  .artwork-card:active,
  .category-card:active {
    transform: scale(0.98);
    opacity: 0.9;
    background-color: rgba(99, 102, 241, 0.1);
  }
  
  /* Touch active class (for JavaScript) */
  .touch-active {
    transform: scale(0.97) !important;
    opacity: 0.85 !important;
    background-color: rgba(99, 102, 241, 0.15) !important;
    transition: all 0.1s ease-out !important;
  }
  
  /* Ripple effect on touch */
  .touch-target::after,
  button::after,
  .btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease-out, height 0.3s ease-out, opacity 0.3s ease-out;
    pointer-events: none;
    opacity: 0;
  }
  
  .touch-target:active::after,
  button:active::after,
  .btn:active::after {
    width: 200px;
    height: 200px;
    opacity: 1;
  }
  
  /* ===== IMPROVED BUTTON STATES ===== */
  .btn-primary:active {
    background-color: #4f46e5 !important;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4) !important;
  }
  
  .btn-outline-primary:active {
    background-color: rgba(99, 102, 241, 0.1) !important;
    border-color: #6366f1 !important;
  }
  
  /* ===== ARTWORK CARD TOUCH ===== */
  .artwork-card:active {
    transform: scale(0.98) translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
  }
  
  /* ===== NAVIGATION TOUCH ===== */
  .nav-link:active {
    background-color: rgba(99, 102, 241, 0.1);
    color: #6366f1;
  }
  
  /* ===== LONG PRESS INDICATOR ===== */
  .long-press-active {
    transform: scale(0.95) !important;
    opacity: 0.8 !important;
    background-color: rgba(99, 102, 241, 0.2) !important;
  }
  
  /* ===== SWIPE INDICATORS ===== */
  .swipe-indicator {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 16px;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: #6366f1;
  }
  
  .swipe-indicator.show {
    opacity: 1;
  }
  
  .swipe-indicator.left {
    left: 20px;
    right: auto;
  }
  
  .swipe-indicator.right {
    right: 20px;
    left: auto;
  }
  
  /* ===== PULL TO REFRESH ===== */
  .pull-to-refresh-indicator {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
    z-index: 10000;
    background: rgba(99, 102, 241, 0.95);
    color: white;
    padding: 12px 24px;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
  }
  
  .pull-to-refresh-indicator.show {
    transform: translateX(-50%) translateY(0);
  }
  
  .pull-to-refresh-indicator .spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
  }
  
  @keyframes spin {
    to { transform: rotate(360deg); }
  }
  
  /* ===== PREVENT TEXT SELECTION ON INTERACTIVE ELEMENTS ===== */
  button,
  .btn,
  .nav-link,
  .artwork-card,
  .category-card,
  .touch-target {
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
  }
  
  /* Allow text selection for content */
  p,
  span:not(.btn),
  h1, h2, h3, h4, h5, h6,
  .artwork-title,
  .artwork-description {
    -webkit-user-select: text;
    user-select: text;
  }
  
  /* ===== IMPROVED FOCUS STATES FOR KEYBOARD NAVIGATION ===== */
  button:focus-visible,
  .btn:focus-visible,
  .nav-link:focus-visible,
  a:focus-visible {
    outline: 3px solid #6366f1;
    outline-offset: 3px;
    border-radius: 8px;
  }
}

/* ===== REDUCED MOTION SUPPORT ===== */
@media (prefers-reduced-motion: reduce) {
  .touch-target:active,
  button:active,
  .btn:active {
    transform: none !important;
    transition: none !important;
  }
  
  .swipe-indicator,
  .pull-to-refresh-indicator {
    transition: opacity 0.1s ease !important;
  }
}