.mas-showcase {
  margin-top: 1.25rem;
}

.mas-showcase-intro {
  line-height: 1.75;
  margin-bottom: 1rem;
  color: #334155;
}

.mas-showcase-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.mas-showcase-filter {
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #334155;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.mas-showcase-filter:hover {
  border-color: #0891b2;
  color: #0e7490;
}

.mas-showcase-filter.is-active {
  background: #ecfeff;
  border-color: #0891b2;
  color: #0e7490;
}

.mas-showcase-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mas-showcase-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05);
  display: flex;
  flex-direction: row;
  align-items: stretch;
  min-height: 220px;
}

.mas-showcase-card.is-hidden {
  display: none;
}

.mas-showcase-card-info {
  flex: 0 0 34%;
  max-width: 380px;
  min-width: 260px;
  padding: 1.1rem 1.15rem;
  border-right: 1px solid #f1f5f9;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.mas-showcase-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.mas-showcase-tag {
  display: inline-block;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.mas-showcase-tag.topology-serial {
  background: #dbeafe;
  color: #1d4ed8;
}

.mas-showcase-tag.topology-parallel {
  background: #dcfce7;
  color: #15803d;
}

.mas-showcase-tag.topology-loop {
  background: #ffedd5;
  color: #c2410c;
}

.mas-showcase-tag.dataset {
  background: #f1f5f9;
  color: #475569;
}

.mas-showcase-card-title {
  font-size: 0.98rem;
  font-weight: 650;
  color: #0f172a;
  margin: 0;
  line-height: 1.4;
}

.mas-showcase-card-preview {
  font-size: 0.82rem;
  color: #64748b;
  line-height: 1.55;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mas-showcase-card-summary {
  font-size: 0.8rem;
  color: #475569;
  line-height: 1.55;
  margin: 0;
  flex: 1;
}

.mas-showcase-card-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: #0891b2;
  text-decoration: none;
  margin-top: auto;
}

.mas-showcase-card-link:hover {
  color: #0e7490;
}

.mas-showcase-card-graph {
  flex: 1;
  min-width: 0;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow-x: auto;
  background:
    radial-gradient(circle at 1px 1px, rgba(99, 102, 241, 0.05) 1px, transparent 0),
    linear-gradient(180deg, #fafbff 0%, #f4f7ff 100%);
  background-size: 18px 18px, auto;
}

.mas-showcase-graph {
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background:
    radial-gradient(circle at 1px 1px, rgba(99, 102, 241, 0.07) 1px, transparent 0),
    linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
  background-size: 18px 18px, auto;
  overflow: hidden;
  flex-shrink: 0;
}

.mas-showcase-graph-stage {
  position: relative;
  margin: 0 auto;
}

.mas-showcase-svg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
}

.mas-showcase-edge {
  fill: none;
}

.mas-showcase-edge-track {
  stroke: #cbd5e1;
  stroke-width: 2;
}

.mas-showcase-edge-flow {
  stroke: #6366f1;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 10 8;
  animation: mas-showcase-edge-flow 1.1s linear infinite;
}

.mas-showcase-edge-loop {
  stroke: #f97316;
  stroke-width: 2.5;
  stroke-dasharray: 6 5;
}

.mas-showcase-edge-loop-flow {
  stroke: #ea580c;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 8 6;
  animation: mas-showcase-edge-flow 0.9s linear infinite;
}

@keyframes mas-showcase-edge-flow {
  to {
    stroke-dashoffset: -18;
  }
}

.mas-showcase-nodes {
  position: absolute;
  inset: 0;
}

.mas-showcase-node {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 10px;
  border: 1.5px solid #a5b4fc;
  background: linear-gradient(180deg, #ffffff 0%, #eef2ff 100%);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.12);
  padding: 0.35rem 0.45rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: #312e81;
  line-height: 1.25;
  word-break: break-word;
}

.mas-showcase-cta {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  border-radius: 12px;
  border: 1px solid #bae6fd;
  background: linear-gradient(135deg, #ecfeff 0%, #f0fdf4 100%);
}

.mas-showcase-cta-text {
  margin: 0;
  line-height: 1.65;
  color: #0f172a;
  font-size: 0.95rem;
}

.mas-showcase-cta-text a {
  color: #0891b2;
  font-weight: 600;
  text-decoration: none;
}

.mas-showcase-cta-text a:hover {
  color: #0e7490;
  text-decoration: underline;
}

.mas-showcase-meta {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: #64748b;
  text-align: center;
}

@media (max-width: 960px) {
  .mas-showcase-card {
    flex-direction: column;
    min-height: 0;
  }

  .mas-showcase-card-info {
    flex: none;
    max-width: none;
    min-width: 0;
    border-right: none;
    border-bottom: 1px solid #f1f5f9;
  }

  .mas-showcase-card-graph {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mas-showcase-edge-flow,
  .mas-showcase-edge-loop-flow {
    animation: none;
  }
}