/* ===================================
   Algorithms Hub Page Styles
   =================================== */

/* Hero Section */
.algorithms-hero__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.algorithms-hero__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.algorithms-hero__title--gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.algorithms-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

/* Algorithms Section */
.algorithms-section {
  padding: var(--space-16) 0;
  /* Removed background to let body gradient show through */
}

.algorithms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
}

/* Algorithm Card */
.algorithm-card {
  background-color: rgba(255, 255, 255, 0.6);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.algorithm-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  text-decoration: none;
}

.algorithm-card--clickable {
  cursor: pointer;
}

.algorithm-card--clickable:hover .algorithm-card__title {
  color: var(--color-primary);
}

.algorithm-card--coming-soon {
  opacity: 0.7;
  cursor: not-allowed;
}

.algorithm-card--coming-soon:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

/* Card Header */
.algorithm-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.algorithm-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.algorithm-card__badge {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.algorithm-card__badge--easy {
  background-color: var(--color-secondary);
  color: white;
}

.algorithm-card__badge--medium {
  background-color: var(--color-accent);
  color: white;
}

.algorithm-card__badge--hard {
  background-color: var(--color-danger);
  color: white;
}

/* Card Content */
.algorithm-card__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.algorithm-card__description {
  color: var(--color-text-light);
  line-height: 1.6;
  margin: 0;
}



/* Card Footer */
.algorithm-card__footer {
  display: flex;
  justify-content: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.algorithm-card__coming-soon {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  font-weight: 500;
  font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
  .algorithms-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .algorithm-card {
    padding: var(--space-5);
  }
  
  .algorithms-hero__title {
    font-size: var(--text-3xl);
  }
  
  .algorithms-hero__subtitle {
    font-size: var(--text-base);
  }
}

@media (max-width: 480px) {
  .algorithm-card__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
}