/* Cards, mini-card grid, search and responsive breakpoints  */

.cards-section {
  margin-bottom: var(--space-3xl);
}

.cards-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin: 0;
  color: var(--color-text-primary);
  flex-shrink: 0;
}

.cards-search {
  flex: 1;
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md) var(--space-sm) 36px;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background-color: var(--color-muted);
  color: var(--color-text-primary);
  transition: border-color 0.2s ease, background-color 0.2s ease;
  box-sizing: border-box;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.1);
}

.search-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.mini-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-md) var(--space-sm);
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
  overflow-wrap: break-word;
}

.mini-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(47, 111, 237, 0.15);
  color: var(--color-primary);
}

.mini-card__word {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  word-break: break-word;
  width: 100%;
  display: block;
  transition: color 0.2s ease;
}

.mini-card:hover .mini-card__word {
  color: var(--color-primary);
}

.mini-card__translation {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  font-style: italic;
  width: 100%;
  display: block;
}

.empty-cards {
  text-align: center;
  padding: var(--space-2xl);
}

.empty-cards-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  font-weight: 600;
}

/* Responsive grid adjustments */
@media (min-width: 481px) {
  .cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 480px) {
  .deck-title {
    font-size: var(--font-size-3xl);
  }
}