.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 1rem;
}

.grid-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition-fast);
  position: relative;
  box-shadow: 0 2px 8px var(--shadow);
}

.grid-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--shadow);
  border-color: var(--accent-primary);
}

.grid-item-checkbox {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 10;
}

.grid-item-header {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.grid-item-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  word-wrap: break-word;
  padding-left: 2rem;
}

.grid-item-name a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
}

.grid-item-name a:hover {
  text-decoration: underline;
}

.grid-item-type {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.grid-item-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.grid-item-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.grid-item-detail-label {
  color: var(--text-muted);
  font-weight: 500;
}

.grid-item-detail-value {
  color: var(--text-primary);
  font-weight: 600;
}

.grid-item-profit {
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  text-align: center;
  margin-bottom: 1rem;
}

.grid-item-profit-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.grid-item-profit-value {
  font-size: 1.25rem;
  font-weight: 700;
}

.grid-item-profit-value.profit-positive {
  color: var(--success);
}

.grid-item-profit-value.profit-negative {
  color: var(--danger);
}

.grid-item-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.grid-item-actions .action-btn {
  flex: 1;
  min-width: 80px;
  text-align: center;
}

.grid-item-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.grid-item-quantity {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
}

.grid-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.grid-empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.grid-empty-state-text {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.grid-empty-state-subtext {
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .grid-container {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0.5rem;
  }

  .grid-item {
    padding: 1rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-container {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

@media (min-width: 1400px) {
  .grid-container {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}