/* Cascade Stack Toplist - Spectacular 3D Card Viewer */

.cascade-container {
  position: relative;
  min-height: 80vh;
  max-height: 90vh;
  perspective: 1500px;
  overflow: visible;
  padding: var(--spacing-xl) 0;
  margin: var(--spacing-2xl) 0;
}

.cascade-stack {
  position: relative;
  width: 82%;
  max-width: 460px;
  margin: 0 auto;
  height: 480px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-sm);
}

/* Individual cascade card */
.cascade-card {
  position: absolute;
  width: 100%;
  max-width: 430px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  overflow: visible;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  will-change: transform, opacity, filter;
  backface-visibility: hidden;
  transform-style: preserve-3d;
}

/* States based on position relative to focus */

/* Focused card (index 0) - Center, full size */
.cascade-card[data-position="0"] {
  transform: translateY(0) scale(0.94) rotateX(0deg);
  opacity: 1;
  z-index: 100;
  filter: brightness(1) blur(0);
  box-shadow: 0 15px 40px rgba(0, 212, 255, 0.25), 0 0 0 2px var(--accent);
  pointer-events: all;
}

/* Card 1 position above (compressed peek) */
.cascade-card[data-position="-1"] {
  transform: translateY(-70px) scale(0.9) rotateX(5deg);
  opacity: 0.6;
  z-index: 90;
  filter: brightness(0.75) blur(0.5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

/* Card 2 positions above (more compressed) */
.cascade-card[data-position="-2"] {
  transform: translateY(-125px) scale(0.84) rotateX(9deg);
  opacity: 0.4;
  z-index: 80;
  filter: brightness(0.6) blur(1px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

/* Card 3+ positions above (highly compressed) */
.cascade-card[data-position="-3"],
.cascade-card[data-position^="-"][data-position$="4"],
.cascade-card[data-position^="-"][data-position$="5"],
.cascade-card[data-position^="-"][data-position$="6"],
.cascade-card[data-position^="-"][data-position$="7"],
.cascade-card[data-position^="-"][data-position$="8"],
.cascade-card[data-position^="-"][data-position$="9"] {
  transform: translateY(-165px) scale(0.78) rotateX(11deg);
  opacity: 0.2;
  z-index: 70;
  filter: brightness(0.5) blur(2px);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

/* Card 1 position below */
.cascade-card[data-position="1"] {
  transform: translateY(70px) scale(0.9) rotateX(-5deg);
  opacity: 0.6;
  z-index: 90;
  filter: brightness(0.75) blur(0.5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

/* Card 2 positions below */
.cascade-card[data-position="2"] {
  transform: translateY(125px) scale(0.84) rotateX(-9deg);
  opacity: 0.4;
  z-index: 80;
  filter: brightness(0.6) blur(1px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

/* Card 3+ positions below */
.cascade-card[data-position="3"],
.cascade-card[data-position="4"],
.cascade-card[data-position="5"],
.cascade-card[data-position="6"],
.cascade-card[data-position="7"],
.cascade-card[data-position="8"],
.cascade-card[data-position="9"] {
  transform: translateY(165px) scale(0.78) rotateX(-11deg);
  opacity: 0.2;
  z-index: 70;
  filter: brightness(0.5) blur(2px);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

/* Focused card glow animation */
.cascade-card[data-position="0"]::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft), var(--accent));
  border-radius: var(--radius-xl);
  z-index: -1;
  opacity: 0.5;
  animation: cascade-glow 3s ease-in-out infinite;
}

@keyframes cascade-glow {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.02); }
}

/* Card content layout */
.cascade-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.cascade-card-rank {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.24;
  flex-shrink: 0;
}

.cascade-card-main {
  flex: 1;
  min-width: 0;
}

.cascade-card-logo-container {
  width: 72px;
  height: 72px;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cascade-card-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.5rem;
}

.cascade-card-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--text-main);
}

.cascade-card-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

/* Pamphlet-style rating badge hanging from corner */
.cascade-card-rating-big {
  position: absolute;
  top: -50px;
  left: -35px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 78px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(0, 212, 255, 0.35), 0 0 0 3px var(--bg);
  z-index: 12;
  transform: rotate(-5deg);
  transition: transform var(--transition-base);
  pointer-events: none;
}

.cascade-card-rating-big::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 16px;
  width: 38px;
  height: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
  border-radius: 0 0 10px 10px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.35);
  opacity: 0.9;
}

.cascade-card:hover .cascade-card-rating-big {
  transform: rotate(-2deg) scale(1.04);
}

.cascade-card-rating-big .rating-number {
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--bg);
  letter-spacing: -0.02em;
}

.cascade-card-rating-big .max-rating {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(10, 14, 39, 0.7);
  margin-top: 0.125rem;
  letter-spacing: 0.02em;
}

.cascade-card-bonus {
  background: linear-gradient(135deg, rgba(255, 184, 0, 0.15) 0%, rgba(255, 136, 0, 0.05) 100%);
  border: 2px solid rgba(255, 184, 0, 0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.cascade-card-bonus-label {
  font-size: 0.625rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.cascade-card-bonus-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--warning);
}

.cascade-card-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.cascade-card-highlight {
  display: flex;
  align-items: flex-start;
  gap: 0.25rem;
  font-size: 0.75rem;
  line-height: 1.3;
  color: var(--text-muted);
}

.cascade-card-highlight-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success);
}

.cascade-card-cta {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.cascade-card-cta .btn {
  flex: 1;
  padding: 0.9rem 1.2rem;
  font-size: 1rem;
}

.cascade-card-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-xs);
  margin: var(--spacing-sm) 0 var(--spacing-md);
}

.cascade-card-tags .tag {
  width: 100%;
  text-align: center;
  padding: 0.35rem 0.5rem;
}

/* Navigation controls */
.cascade-nav {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom) + var(--spacing-md));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-md);
  z-index: 200;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(14px);
  padding: var(--spacing-xs) var(--spacing-lg);
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.cascade-nav-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-base);
}

.cascade-nav-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: scale(1.1);
}

.cascade-nav-btn:active {
  transform: scale(0.95);
}

.cascade-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: scale(1);
}

.cascade-nav-counter {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  line-height: 1;
  min-width: 86px;
  justify-content: center;
  white-space: nowrap;
}

.cascade-nav-current {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

/* Mini card carousel for mobile */
.cascade-mini-carousel {
  position: fixed;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 500px;
  display: flex;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  z-index: 190;
}

.cascade-mini-carousel::-webkit-scrollbar {
  display: none;
}

.cascade-mini-card {
  flex: 0 0 80px;
  height: 100px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  scroll-snap-align: center;
  padding: var(--spacing-sm);
}

.cascade-mini-card:hover {
  transform: scale(1.05);
}

.cascade-mini-card.active {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 153, 204, 0.1) 100%);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.cascade-mini-card-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cascade-mini-card-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.25rem;
}

.cascade-mini-card-name {
  font-size: 0.625rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.cascade-mini-card-rating {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}

/* Scroll hint indicator */
.cascade-scroll-hint {
  position: fixed;
  top: 50%;
  right: var(--spacing-lg);
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-dim);
  font-size: 0.625rem;
  animation: cascade-bounce 2s ease-in-out infinite;
  z-index: 150;
  pointer-events: none;
  opacity: 0.4;
}

@keyframes cascade-bounce {
  0%, 100% { transform: translateY(-50%) translateX(0); }
  50% { transform: translateY(-50%) translateX(-5px); }
}

.cascade-scroll-hint-icon {
  font-size: 1.5rem;
}

/* Swipe gesture hint */
.cascade-swipe-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--text-dim);
  font-size: 0.875rem;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.cascade-container.show-swipe-hint .cascade-swipe-hint {
  opacity: 0.7;
  animation: cascade-swipe-pulse 1.5s ease-in-out 3;
}

@keyframes cascade-swipe-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 0.3; }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .cascade-container {
    min-height: 70vh;
    max-height: 80vh;
    padding: var(--spacing-md) 0;
  }

  .cascade-stack {
    height: 430px;
    width: 88%;
  }

  .cascade-card {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .cascade-card-header {
    flex-direction: row;
    gap: var(--spacing-md);
  }

  .cascade-card-logo-container {
    width: 56px;
    height: 56px;
  }

  .cascade-card-name {
    font-size: 1.25rem;
  }

  .cascade-card-rank {
    font-size: 2.5rem;
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    opacity: 0.2;
  }

  .cascade-card-rating-big {
    top: -50px;
    left: -35px;
    width: 64px;
    height: 72px;
    transform: rotate(-5deg);
  }

  .cascade-card-rating-big::after {
    left: 14px;
    width: 32px;
    height: 10px;
  }

  .cascade-nav {
    bottom: calc(env(safe-area-inset-bottom) + var(--spacing-lg));
  }

  .cascade-mini-carousel {
    bottom: calc(env(safe-area-inset-bottom) + 78px);
    display: flex;
  }

  .cascade-scroll-hint {
    display: none;
  }
}

@media (min-width: 769px) {
  .cascade-mini-carousel {
    display: none;
  }
}

/* Loading state */
.cascade-card.loading {
  pointer-events: none;
}

.cascade-card.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(0, 212, 255, 0.1) 50%,
    transparent 100%
  );
  animation: cascade-shimmer 1.5s infinite;
}

@keyframes cascade-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .cascade-card {
    transition-duration: 0.01ms;
  }

  .cascade-scroll-hint,
  .cascade-card[data-position="0"]::before {
    animation: none;
  }
}