/* Shared bento cards (home + choose level) */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  width: 100%;
}

.card-form {
  display: flex;
}

.data-card {
  position: relative;
  width: 100%;
  min-height: 220px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--bg-card-glass, rgba(30, 41, 59, 0.4));
  backdrop-filter: blur(24px) saturate(110%);
  -webkit-backdrop-filter: blur(24px) saturate(110%);
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.08));
  border-radius: var(--radius-card, 24px);
  cursor: pointer;
  text-align: left;
  overflow: hidden;
  transition: all 0.4s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1));
  user-select: none;
}

a.data-card {
  text-decoration: none;
  color: inherit;
}

.data-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--theme-color, #fff), transparent);
  opacity: 0.6;
  transition: 0.3s;
  z-index: 2;
}

.data-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    circle at var(--ripple-x, 50%) var(--ripple-y, 20%),
    color-mix(in oklab, var(--app-text) 15%, transparent),
    transparent 50%
  );
  transform: scale(0.8);
  transition: opacity 0.6s, transform 0.6s;
  z-index: 1;
}

.data-card.is-rippling::after {
  opacity: 1;
  transform: scale(1.2);
}

.data-card:hover,
.data-card:focus-visible {
  transform: translateY(-10px) scale(1.01);
  background: var(--bg-card-hover, rgba(30, 41, 59, 0.7));
  border-color: var(--border-highlight, rgba(255, 255, 255, 0.2));
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.6);
}

.data-card:hover::before {
  height: 2px;
  opacity: 1;
  box-shadow: 0 0 25px var(--theme-color, rgba(255, 255, 255, 0.5));
}

.data-card.is-active {
  border-color: var(--theme-color, rgba(255, 255, 255, 0.5));
  box-shadow: 0 0 40px var(--theme-color-glow, rgba(255, 255, 255, 0.2)) inset;
}

.data-card .card-icon-box {
  width: 64px;
  height: 64px;
  background: var(--card-icon-bg, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--card-icon-border, rgba(255, 255, 255, 0.05));
  border-radius: 18px;
  display: grid;
  place-items: center;
  transition: 0.3s var(--ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
  overflow: hidden;
  z-index: 2;
}

.data-card .emoji-icon {
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.data-card:hover .card-icon-box,
.data-card.is-active .card-icon-box {
  background: var(--theme-color, rgba(255, 255, 255, 0.12));
  border-color: transparent;
  box-shadow: 0 8px 24px var(--theme-color-glow, rgba(255, 255, 255, 0.25));
  transform: scale(1.1) rotate(-5deg);
}

.data-card .card-content {
  z-index: 2;
}

.data-card .card-content h3 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--app-text);
  letter-spacing: -0.02em;
}

.data-card .card-content p {
  font-size: 1rem;
  color: var(--app-muted);
  margin: 0;
  font-weight: 500;
}

.data-card .card-action {
  margin-top: auto;
  width: 100%;
  display: flex;
  justify-content: flex-end;
  z-index: 2;
}

.data-card .card-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border-subtle, rgba(255, 255, 255, 0.08));
  display: grid;
  place-items: center;
  color: var(--app-muted);
  opacity: 0.6;
  transition: 0.3s var(--ease-spring, cubic-bezier(0.34, 1.56, 0.64, 1));
}

.data-card:hover .card-arrow {
  border-color: var(--theme-color, rgba(255, 255, 255, 0.5));
  color: var(--theme-color, rgba(255, 255, 255, 0.5));
  opacity: 1;
  transform: translateX(8px);
  background: rgba(255, 255, 255, 0.05);
}

.data-card.is-active .card-arrow {
  background: var(--theme-color, rgba(255, 255, 255, 0.5));
  border-color: var(--theme-color, rgba(255, 255, 255, 0.5));
  color: var(--app-text);
  opacity: 1;
}

@media (max-width: 768px) {
  .bento-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .data-card {
    min-height: auto;
    flex-direction: row;
    align-items: center;
    padding: 24px;
    gap: 20px;
  }

  .data-card .card-icon-box {
    margin-bottom: 0;
    width: 52px;
    height: 52px;
    flex-shrink: 0;
  }

  .data-card .emoji-icon {
    font-size: 30px;
  }

  .data-card .card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 4px;
  }

  .data-card .card-content p {
    font-size: 0.9rem;
  }

  .data-card .card-action {
    width: auto;
    margin-left: auto;
  }

  .data-card .card-arrow {
    width: 40px;
    height: 40px;
    border-width: 1px;
  }
}