/* ==========================================================================
   VFS JEWELS — MOBILE GESTURE NAVIGATION SUITE
   8 / 8 Interaction Patterns:
   1. Swipe to Go Back (Edge Swipe & Sheet Dismiss)
   2. List Item Swipe Actions (Delete, Wishlist, Quick Add)
   3. Pull to Refresh (Elastic Pull & Gold Jewel Spinner)
   4. Long Press Menus (Glassmorphic Context Menu)
   5. Pinch to Zoom (1x–4x Multi-touch Pan & Zoom)
   6. Drag to Reorder (Long-press Lift & Vertical Reordering)
   7. Gesture Hints (Subtle Animated Micro-tooltips)
   8. Haptic Feedback (Tactile Cues & Visual Wave)
   ========================================================================== */

:root {
  --gesture-gold: #D4AF37;
  --gesture-gold-dark: #AA7C11;
  --gesture-gold-glow: rgba(212, 175, 55, 0.35);
  --gesture-crimson: #E74C3C;
  --gesture-crimson-dark: #C0392B;
  --gesture-emerald: #2ECC71;
  --gesture-emerald-dark: #27AE60;
  --gesture-navy: #11141e;
  --gesture-navy-card: rgba(22, 27, 38, 0.94);
  --gesture-backdrop: rgba(10, 12, 18, 0.72);
  --gesture-radius-sm: 8px;
  --gesture-radius-md: 14px;
  --gesture-radius-lg: 20px;
  --gesture-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --gesture-smooth: cubic-bezier(0.25, 1, 0.5, 1);
}

/* ==========================================================================
   1. SWIPE TO GO BACK & EDGE-SWIPE INDICATOR
   ========================================================================== */
.vfs-edge-swipe-indicator {
  position: fixed;
  top: 50%;
  left: 0;
  transform: translateY(-50%) translateX(-100%);
  width: 44px;
  height: 64px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.95), rgba(170, 124, 17, 0.95));
  border-radius: 0 32px 32px 0;
  box-shadow: 0 4px 20px var(--gesture-gold-glow), 0 0 10px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #11141e;
  z-index: 100010;
  pointer-events: none;
  transition: transform 0.15s var(--gesture-smooth), opacity 0.2s ease;
  opacity: 0;
}

.vfs-edge-swipe-indicator svg {
  width: 22px;
  height: 22px;
  stroke-width: 2.5;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.2));
  transform: translateX(-3px);
  animation: vfsPulseArrow 1.2s infinite alternate ease-in-out;
}

@keyframes vfsPulseArrow {
  0% { transform: translateX(-4px); }
  100% { transform: translateX(2px); }
}

.vfs-edge-swipe-active {
  transition: transform 0.05s ease-out !important;
}

/* Edge swipe barrier for carousels */
[data-gesture-no-edge-swipe] {
  touch-action: pan-y pinch-zoom;
}

/* ==========================================================================
   2. LIST ITEM SWIPE ACTIONS (Cart / Wishlist / Lists)
   ========================================================================== */
.vfs-swipe-item-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--gesture-radius-sm);
  margin-bottom: 12px;
  background: transparent;
  user-select: none;
  -webkit-user-select: none;
}

/* Underlay action buttons container */
.vfs-swipe-actions {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: stretch;
  z-index: 1;
  border-radius: var(--gesture-radius-sm);
  overflow: hidden;
}

.vfs-swipe-actions-right {
  right: 0;
  justify-content: flex-end;
}

.vfs-swipe-actions-left {
  left: 0;
  justify-content: flex-start;
}

.vfs-swipe-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 68px;
  padding: 0 10px;
  border: none;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  gap: 4px;
  text-decoration: none;
  box-sizing: border-box;
}

.vfs-swipe-btn:active {
  transform: scale(0.96);
}

.vfs-swipe-btn-delete {
  background: linear-gradient(135deg, var(--gesture-crimson), var(--gesture-crimson-dark));
}

.vfs-swipe-btn-wishlist {
  background: linear-gradient(135deg, var(--gesture-gold), var(--gesture-gold-dark));
  color: #11141e !important;
}

.vfs-swipe-btn-add {
  background: linear-gradient(135deg, var(--gesture-emerald), var(--gesture-emerald-dark));
}

.vfs-swipe-btn-share {
  background: linear-gradient(135deg, #25D366, #128C7E);
}

.vfs-swipe-btn svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
}

/* Foreground sliding item content */
.vfs-swipe-content {
  position: relative;
  z-index: 2;
  background: var(--bg-card, #ffffff);
  border-radius: var(--gesture-radius-sm);
  transition: transform 0.25s var(--gesture-smooth);
  touch-action: pan-y;
  will-change: transform;
}

.vfs-swipe-content.is-swiping {
  transition: none;
}

.vfs-swipe-content.swiped-left {
  transform: translateX(-140px);
}

.vfs-swipe-content.swiped-right {
  transform: translateX(72px);
}

/* ==========================================================================
   3. PULL TO REFRESH (Rotating Gold Jewel & Elastic Resistance)
   ========================================================================== */
.vfs-ptr-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  pointer-events: none;
  z-index: 99990;
  overflow: visible;
}

.vfs-ptr-badge {
  transform: translateY(-80px) scale(0.8);
  opacity: 0;
  background: linear-gradient(135deg, #11141e 0%, #1e1b15 100%);
  border: 1.5px solid var(--gesture-gold);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 30px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 15px var(--gesture-gold-glow);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: transform 0.15s ease-out, opacity 0.2s ease;
}

.vfs-ptr-icon {
  width: 22px;
  height: 22px;
  color: var(--gesture-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s linear;
}

.vfs-ptr-icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 2.2;
}

.vfs-ptr-spinning .vfs-ptr-icon svg {
  animation: vfsPtrSpin 0.75s linear infinite;
}

@keyframes vfsPtrSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.vfs-ptr-text {
  font-size: 1.15rem;
  color: #fff;
}

.vfs-ptr-text span {
  color: var(--gesture-gold);
}

/* ==========================================================================
   4. LONG PRESS MENUS (Context Menu for Products & Cards)
   ========================================================================== */
.vfs-longpress-active {
  animation: vfsLongPressPulse 0.5s ease-in-out forwards;
}

@keyframes vfsLongPressPulse {
  0% { transform: scale(1); }
  50% { transform: scale(0.97); }
  100% { transform: scale(1.02); box-shadow: 0 10px 30px var(--gesture-gold-glow); }
}

/* Context Menu Modal Backdrop */
.vfs-context-backdrop {
  position: fixed;
  inset: 0;
  background: var(--gesture-backdrop);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100050;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  padding: 20px;
}

.vfs-context-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.vfs-context-menu {
  background: var(--gesture-navy-card);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: var(--gesture-radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 25px var(--gesture-gold-glow);
  width: 100%;
  max-width: 380px;
  overflow: hidden;
  transform: scale(0.85) translateY(20px);
  opacity: 0;
  transition: transform 0.3s var(--gesture-spring), opacity 0.25s ease;
}

.vfs-context-backdrop.active .vfs-context-menu {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.vfs-context-header {
  padding: 16px 20px;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.15), transparent);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  display: flex;
  align-items: center;
  gap: 14px;
}

.vfs-context-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--gesture-radius-sm);
  object-fit: cover;
  border: 1px solid var(--gesture-gold);
  background: #000;
  flex-shrink: 0;
}

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

.vfs-context-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0 0 4px 0;
}

.vfs-context-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gesture-gold);
  margin: 0;
}

.vfs-context-list {
  list-style: none;
  margin: 0;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.vfs-context-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--gesture-radius-sm);
  color: #e6e6e6;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s;
}

.vfs-context-item:hover, .vfs-context-item:active {
  background: rgba(212, 175, 55, 0.15);
  color: var(--gesture-gold);
  transform: translateX(4px);
}

.vfs-context-item svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  color: var(--gesture-gold);
  flex-shrink: 0;
}

.vfs-context-item-danger {
  color: #ff7675;
}
.vfs-context-item-danger svg {
  color: #ff7675;
}
.vfs-context-item-danger:hover {
  background: rgba(231, 76, 60, 0.15);
  color: #ff7675;
}

/* ==========================================================================
   5. PINCH TO ZOOM & PAN VIEWPORT
   ========================================================================== */
.vfs-pinch-zoomable {
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  transform-origin: center center;
  transition: transform 0.1s ease-out;
  cursor: zoom-in;
  will-change: transform;
}

.vfs-pinch-zoomable.is-zoomed {
  cursor: grab;
}

.vfs-pinch-zoomable.is-panning {
  cursor: grabbing;
  transition: none;
}

.vfs-zoom-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(17, 20, 30, 0.85);
  border: 1px solid var(--gesture-gold);
  color: var(--gesture-gold);
  font-size: 1.1rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 10;
}

.vfs-zoom-badge.active {
  opacity: 1;
  transform: translateY(0);
}

/* Double-tap ripple effect */
.vfs-doubletap-ripple {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.4);
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
  animation: vfsRippleAnim 0.4s ease-out forwards;
  z-index: 15;
}

@keyframes vfsRippleAnim {
  0% { transform: translate(-50%, -50%) scale(0.2); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(2); opacity: 0; }
}

/* ==========================================================================
   6. DRAG TO REORDER (Lists & Cart items)
   ========================================================================== */
.vfs-reorderable-list {
  position: relative;
}

.vfs-reorder-item {
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vfs-reorder-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  color: rgba(212, 175, 55, 0.6);
  cursor: grab;
  touch-action: none;
  flex-shrink: 0;
}

.vfs-reorder-handle:active {
  cursor: grabbing;
  color: var(--gesture-gold);
}

.vfs-reorder-handle svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
}

.vfs-reorder-dragging {
  opacity: 0.95;
  transform: scale(1.03) rotate(1.2deg) !important;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--gesture-gold-glow) !important;
  z-index: 1000 !important;
  pointer-events: none;
  background: var(--gesture-navy, #11141e) !important;
  border: 1.5px solid var(--gesture-gold) !important;
  border-radius: var(--gesture-radius-sm) !important;
}

.vfs-reorder-placeholder {
  background: rgba(212, 175, 55, 0.08) !important;
  border: 2px dashed var(--gesture-gold) !important;
  border-radius: var(--gesture-radius-sm) !important;
  margin-bottom: 12px;
  box-sizing: border-box;
}

/* ==========================================================================
   7. GESTURE HINTS (Micro-tooltips & Learning Aids)
   ========================================================================== */
.vfs-gesture-hint {
  position: absolute;
  background: linear-gradient(135deg, #11141e 0%, #1e1b15 100%);
  border: 1px solid var(--gesture-gold);
  color: #ffffff;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45), 0 0 15px var(--gesture-gold-glow);
  z-index: 100;
  pointer-events: auto;
  animation: vfsHintFloat 2s ease-in-out infinite alternate;
}

@keyframes vfsHintFloat {
  0% { transform: translateY(0); }
  100% { transform: translateY(-5px); }
}

.vfs-gesture-hint-icon {
  font-size: 1.4rem;
  display: inline-block;
  animation: vfsHandSwipe 1.5s ease-in-out infinite;
}

@keyframes vfsHandSwipe {
  0% { transform: translateX(0); }
  50% { transform: translateX(-8px); }
  100% { transform: translateX(0); }
}

.vfs-gesture-hint-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  padding: 0 0 0 6px;
  font-size: 1.3rem;
  line-height: 1;
}

.vfs-gesture-hint-close:hover {
  color: var(--gesture-gold);
}

/* ==========================================================================
   8. HAPTIC VISUAL FEEDBACK WAVE
   ========================================================================== */
.vfs-haptic-wave {
  position: fixed;
  pointer-events: none;
  border-radius: 50%;
  border: 2px solid var(--gesture-gold);
  background: radial-gradient(circle, rgba(212, 175, 55, 0.3) 0%, transparent 70%);
  transform: translate(-50%, -50%) scale(0);
  animation: vfsHapticWaveAnim 0.35s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
  z-index: 100099;
}

@keyframes vfsHapticWaveAnim {
  0% { transform: translate(-50%, -50%) scale(0.2); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(2.4); opacity: 0; }
}