/* Swipe Interface and Deck Engine Styles — ProblemX */

.swipe-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding-top: var(--space-4);
}

.swipe-deck {
  position: relative;
  width: 100%;
  height: 580px;
}

/* Card Stacking & Scaling rules */
.swipe-card-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: 50% 100%;
  cursor: grab;
  z-index: 1;
}

.swipe-card-wrapper:active {
  cursor: grabbing;
}

/* Stacking hierarchy */
.swipe-card-wrapper.card-top {
  z-index: 3;
}

.swipe-card-wrapper.card-next {
  z-index: 2;
  transform: scale(0.95) translateY(16px);
  opacity: 0.8;
  pointer-events: none; /* Block interaction on back card */
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.swipe-card-wrapper.card-back {
  z-index: 1;
  transform: scale(0.9) translateY(32px);
  opacity: 0.4;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

/* Swipe Overlays Badge styling */
.badge-like, .badge-nope {
  position: absolute;
  top: 40px;
  border-width: 4px;
  border-style: solid;
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-secondary);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0;
  z-index: 10;
  pointer-events: none;
  transform: rotate(-12deg);
}

.badge-like {
  right: 40px;
  color: var(--color-success);
  border-color: var(--color-success);
  transform: rotate(-12deg);
}

.badge-nope {
  left: 40px;
  color: var(--color-danger);
  border-color: var(--color-danger);
  transform: rotate(12deg);
}

/* Action Control Buttons (Tinder Style bottom bar) */
.swipe-actions-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-6);
  width: 100%;
}

.swipe-btn {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-card);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--color-text-secondary);
}

.swipe-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.swipe-btn:active {
  transform: scale(0.92);
}

.swipe-btn svg, .swipe-btn i {
  width: 24px;
  height: 24px;
  stroke-width: 2.5px;
}

/* Custom button states */
.swipe-btn.btn-nope {
  color: var(--color-danger);
}
.swipe-btn.btn-nope:hover {
  background-color: var(--color-danger-light);
  border-color: var(--color-danger-border);
}

.swipe-btn.btn-save {
  width: 52px;
  height: 52px;
  color: var(--color-warning);
}
.swipe-btn.btn-save:hover {
  background-color: var(--color-warning-light);
  border-color: var(--color-warning-border);
}

.swipe-btn.btn-like {
  color: var(--color-success);
}
.swipe-btn.btn-like:hover {
  background-color: var(--color-success-light);
  border-color: var(--color-success-border);
}

/* Animation Keyframes */
.swipe-fly-left {
  animation: swipeLeft 300ms ease-out forwards;
}

.swipe-fly-right {
  animation: swipeRight 300ms ease-out forwards;
}

@keyframes swipeLeft {
  0% {
    transform: translate(0, 0) rotate(0);
  }
  100% {
    transform: translate(-150vw, -20px) rotate(-30deg);
    opacity: 0;
  }
}

@keyframes swipeRight {
  0% {
    transform: translate(0, 0) rotate(0);
  }
  100% {
    transform: translate(150vw, -20px) rotate(30deg);
    opacity: 0;
  }
}

/* Snapping back transition helper */
.card-snap-back {
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.overlay-fade-out {
  transition: opacity 0.2s ease;
}