/* ShipWith Architecture Studio - 2D Layout */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-tertiary: #0f3460;
  --text-primary: #eaeaea;
  --text-secondary: #a0a0a0;
  --accent: #e94560;
  --accent-hover: #ff6b6b;
  --border: #333;
  --component-bg: #2d3748;
  --component-selected: #4a5568;
  --arrow-color: #718096;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* Top Bar */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.top-bar h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

.scenario-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.scenario-controls label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.scenario-controls select,
.scenario-controls input[type="range"] {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: 4px;
}

#traffic-label {
  min-width: 100px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Info icon styling */
.info-icon {
  cursor: pointer;
  opacity: 0.6;
  font-size: 0.9em;
  margin-left: 4px;
  transition: opacity 0.2s;
}

.info-icon:hover {
  opacity: 1;
}

/* Tooltip styling - dark theme matching app */
.info-tooltip {
  position: fixed;
  background: #2d3748;
  border: 1px solid #4a5568;
  border-radius: 6px;
  padding: 12px 16px;
  max-width: 280px;
  font-size: 0.85em;
  line-height: 1.5;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  pointer-events: none;  /* Prevents hover interrupt */
}

.info-tooltip.hidden {
  display: none;
}

.info-tooltip h4 {
  margin: 0 0 8px;
  color: #48bb78;
}

.info-tooltip p {
  margin: 4px 0;
  color: #e2e8f0;
}

.info-tooltip .detail {
  color: #a0aec0;
  font-size: 0.9em;
}

/* Main Content Layout */
.main-content {
  display: flex;
  min-height: 400px;
}

/* Canvas Panel */
.canvas-panel {
  flex: 2;
  padding: 2rem;
  overflow: auto;
}

.architecture-canvas {
  position: relative;
  min-height: 320px;
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* Component Boxes */
.component-box {
  position: absolute;
  padding: 1rem 1.5rem;
  background: var(--component-bg);
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  min-width: 120px;
}

.component-box:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.component-box.selected {
  border-color: var(--accent);
  background: var(--component-selected);
  box-shadow: 0 0 12px rgba(233, 69, 96, 0.3);
}

.component-box .component-name {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.component-box .component-provider {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Arrows (SVG-based) */
.architecture-canvas svg.arrows {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.architecture-canvas svg.arrows line {
  stroke: var(--arrow-color);
  stroke-width: 2;
}

.architecture-canvas svg.arrows marker path {
  fill: var(--arrow-color);
}

/* Explain Panel */
.explain-panel {
  flex: 1;
  padding: 2rem;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  overflow-y: auto;
}

.explain-panel h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.explain-panel .hint {
  color: var(--text-secondary);
  font-style: italic;
}

.explain-panel section {
  margin-bottom: 1.5rem;
}

.explain-panel section h3 {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.explain-panel section p,
.explain-panel section ul {
  font-size: 0.9rem;
  line-height: 1.6;
}

.explain-panel ul {
  padding-left: 1.25rem;
}

.explain-panel li {
  margin-bottom: 0.25rem;
}

.provider-select {
  margin-top: 1rem;
}

.provider-select label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.provider-select select {
  width: 100%;
  padding: 0.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 4px;
}

/* Metrics Bar */
.metrics-bar {
  display: flex;
  justify-content: space-around;
  padding: 1rem 2rem;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border);
}

.metric {
  text-align: center;
}

.metric-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.metric-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent);
}

/* Comparison Table (Footer) */
.comparison-table-container {
  padding: 1rem 2rem;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.comparison-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Current row accent background */
.comparison-table .row-current {
  background: rgba(233, 69, 96, 0.1);
}

.comparison-table .row-current td:first-child {
  font-weight: 600;
  color: var(--accent);
}

/* Recommended row green indicator */
.comparison-table .row-recommended {
  background: rgba(72, 187, 120, 0.1);
}

.comparison-table .row-recommended td:first-child {
  font-weight: 600;
  color: #48bb78;
}

.comparison-table .row-recommended td:first-child::before {
  content: "★ ";
  color: #48bb78;
}

/* Metric cell color classes */
.comparison-table .best {
  color: #48bb78;
  font-weight: 600;
}

.comparison-table .mid {
  color: #ecc94b;
}

.comparison-table .worst {
  color: #f56565;
}

/* Apply button styling */
.comparison-table .apply-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all 0.2s ease;
}

.comparison-table .apply-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}

/* Tablet horizontal scroll with sticky first column */
@media (min-width: 768px) and (max-width: 1200px) {
  .comparison-table-container {
    overflow-x: auto;
  }

  .comparison-table {
    min-width: 600px;
  }

  .comparison-table td:first-child,
  .comparison-table th:first-child {
    position: sticky;
    left: 0;
    background: var(--bg-secondary);
    z-index: 1;
  }

  .comparison-table th:first-child {
    background: var(--bg-tertiary);
  }

  .comparison-table .row-current td:first-child {
    background: rgba(233, 69, 96, 0.15);
  }

  .comparison-table .row-recommended td:first-child {
    background: rgba(72, 187, 120, 0.15);
  }
}

/* Mobile Layout */
@media (max-width: 768px) {
  .top-bar {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .scenario-controls {
    flex-wrap: wrap;
    justify-content: center;
  }

  .main-content {
    flex-direction: column;
    height: auto;
  }

  .canvas-panel {
    padding: 1rem;
  }

  .explain-panel {
    border-left: none;
    border-top: 1px solid var(--border);
    padding: 1rem;
  }

  .metrics-bar {
    position: sticky;
    bottom: 0;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem;
  }

  .metric {
    flex: 1 1 45%;
  }
}