/* Software Architecture Playground Specific Stylesheet */

.playground-page {
  padding-top: 100px;
  min-height: calc(100vh - 120px);
}

.hub-section {
  padding: 2rem 0 4rem;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 500;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.filter-btn:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 15px var(--accent-light);
}

.filter-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #000000;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

/* Patterns Selection Grid */
.patterns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.pattern-card {
  cursor: pointer;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  animation: fadeInCard 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

@keyframes fadeInCard {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.pattern-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15), 0 0 15px var(--accent-light);
}

.pattern-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
  transition: color 0.3s;
}

.pattern-card:hover h3 {
  color: var(--accent-primary);
}

.pattern-card-icon {
  width: 45px;
  height: 45px;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  transition: transform 0.3s;
}

.pattern-card:hover .pattern-card-icon {
  transform: scale(1.1);
}

/* Playground Section Styles */
.playground-section {
  padding: 1rem 0 4rem;
}

.playground-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.playground-header-title {
  display: flex;
  align-items: center;
}

.playground-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  min-height: 600px;
}

@media (max-width: 1024px) {
  .playground-grid {
    grid-template-columns: 1fr;
  }
}

/* Canvas Panel (Left) */
.canvas-panel {
  display: flex;
  flex-direction: column;
  height: 650px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.canvas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.canvas-container {
  flex-grow: 1;
  border: 1px dashed var(--glass-border);
  background: rgba(0, 0, 0, 0.15);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  touch-action: none;
}

/* Dynamic Connections (SVG Layer) */
.connections-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.connection-line {
  stroke: var(--text-secondary);
  stroke-width: 2;
  stroke-dasharray: 6 4;
  fill: none;
  opacity: 0.45;
  transition: stroke 0.3s, stroke-width 0.3s, opacity 0.3s;
}

/* Flowing data animation */
.connection-line.flowing {
  animation: svgDashFlow 30s linear infinite;
}

@keyframes svgDashFlow {
  from { stroke-dashoffset: 200; }
  to { stroke-dashoffset: 0; }
}

.connection-line.active {
  stroke: var(--accent-secondary);
  stroke-width: 3;
  opacity: 0.95;
}

.connection-line.stress-fail {
  stroke: #ef4444 !important;
  stroke-width: 3.5 !important;
  opacity: 0.9 !important;
  animation: svgDashFlowFast 1.5s linear infinite !important;
}

.connection-line.stress-burst {
  stroke: var(--accent-primary) !important;
  stroke-width: 4 !important;
  opacity: 1 !important;
  animation: svgDashFlowFast 2s linear infinite !important;
}

@keyframes svgDashFlowFast {
  from { stroke-dashoffset: 40; }
  to { stroke-dashoffset: 0; }
}

/* Draggable Nodes */
.node {
  position: absolute;
  z-index: 10;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.75rem 1.1rem;
  border-radius: 8px;
  cursor: grab;
  user-select: none;
  font-family: var(--font-heading);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.3s, box-shadow 0.3s, opacity 0.3s, filter 0.3s;
}

.node:active {
  cursor: grabbing;
}

.node i {
  color: var(--accent-primary);
  font-size: 1.1rem;
  transition: transform 0.3s;
}

.node:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px var(--accent-light);
}

.node:hover i {
  transform: scale(1.15);
}

/* Dimming unrelated nodes during dependency mapping */
.canvas-container.hover-active .node {
  opacity: 0.35;
  filter: blur(0.5px);
}

.canvas-container.hover-active .node.active-dependency {
  opacity: 1 !important;
  filter: none !important;
  border-color: var(--accent-secondary);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

/* Node States for Stress Testing */
.node.node-down {
  border-color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.15) !important;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.4) !important;
  animation: shakeNode 0.5s ease-in-out infinite alternate;
}

.node.node-down i {
  color: #ef4444 !important;
  animation: pulseIcon 1s infinite alternate;
}

.node.node-scaled {
  border-color: var(--accent-secondary) !important;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3) !important;
  animation: bounceNode 0.4s ease infinite alternate;
}

@keyframes shakeNode {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(2px, -2px) scale(0.98); }
  100% { transform: translate(-2px, 2px) scale(1); }
}

@keyframes bounceNode {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

@keyframes pulseIcon {
  from { opacity: 0.5; }
  to { opacity: 1; }
}

/* Component Tooltip */
.component-tooltip {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  z-index: 20;
  padding: 1.25rem !important; /* Override glass-card default padding */
  height: auto !important; /* Override glass-card default 100% height */
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 4px solid var(--accent-primary) !important;
  animation: slideUpTooltip 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.close-tooltip {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.close-tooltip:hover {
  color: var(--text-primary);
}

@keyframes slideUpTooltip {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Insights Panel (Right) */
.insights-panel {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  padding: 2rem;
  overflow-y: auto;
  max-height: 650px;
}

.insights-block {
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1.5rem;
}

.insights-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.insights-heading {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  font-family: var(--font-heading);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Best For Icons */
.best-for-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
}

.best-for-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.best-for-item i {
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

/* RPG Trade-off Stats */
.stats-container {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.stat-row {
  display: grid;
  grid-template-columns: 120px 1fr 45px;
  align-items: center;
  gap: 10px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.stat-bar-wrapper {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.stat-bar {
  height: 100%;
  background: var(--accent-primary);
  border-radius: 4px;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.stat-val {
  font-size: 0.85rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-align: right;
  color: var(--text-primary);
}

/* Real World Usage Badges */
.examples-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.example-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all 0.3s;
}

.example-badge:hover {
  border-color: var(--accent-secondary);
  background: rgba(16, 185, 129, 0.08);
}