/* Solutions index — extends blog listing styles */

.solution-client {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

/* Architecture diagrams (Mermaid + maximize lightbox) */
.blog-article .diagram-wrap {
  position: relative;
  margin: 1.5rem 0;
  padding: 2.75rem 1rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: visible;
}

.blog-article .diagram-maximize {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-bright);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.blog-article .diagram-maximize:hover {
  background: var(--bg-card);
  color: var(--accent);
  border-color: var(--accent);
}

.blog-article .diagram-body {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  overflow: visible;
}

.blog-article .diagram-wrap .mermaid-pending,
.blog-article .diagram-wrap .mermaid-pending.is-rendered {
  display: block;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  background: transparent;
}

.blog-article .diagram-wrap .mermaid-pending:not(.is-rendered) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.blog-article .diagram-wrap .mermaid-pending.is-rendered {
  position: static;
  width: auto;
  height: auto;
  clip: auto;
  clip-path: none;
  white-space: normal;
  border: 0;
  padding: 0;
  margin: 0;
  background: transparent;
}

.blog-article .diagram-wrap .mermaid-pending.is-rendered svg {
  display: block;
  margin: 0 auto;
  width: 100%;
  height: auto;
  max-width: 100%;
  background: transparent;
  overflow: visible;
}

.blog-article .diagram-wrap .mermaid-pending.is-rendered svg foreignObject,
.blog-article .diagram-wrap .mermaid-pending.is-rendered svg .nodeLabel,
.blog-article .diagram-wrap .mermaid-pending.is-rendered svg .label {
  overflow: visible !important;
}

.blog-article .diagram-error {
  margin: 0;
  padding: 1rem;
  font-size: 0.875rem;
  color: var(--text-dim);
  text-align: center;
}

.blog-article .diagram-caption {
  font-size: 0.8125rem;
  color: var(--text-dim);
  text-align: center;
  margin: 0.85rem 0 0;
}

.blog-article .chart-wrap--architecture {
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-soft) 100%);
}

.blog-article .solution-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin: 0 0 0.5rem;
}

.blog-article .impl-phase {
  margin: 0 0 1.25rem;
  padding: 1.15rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-lg);
}

.blog-article .impl-phase h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

/* Fullscreen diagram lightbox */
.diagram-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 0.5rem;
}

.diagram-lightbox[hidden] {
  display: none;
}

.diagram-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.6);
}

.diagram-lightbox-panel {
  position: relative;
  z-index: 1;
  width: 98vw;
  height: 96vh;
  max-width: none;
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #e5e5e5);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.diagram-lightbox-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border, #e5e5e5);
}

.diagram-lightbox-title {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-bright, #0a0a0a);
  line-height: 1.3;
}

.diagram-lightbox-tools {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.diagram-tool-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--border, #e5e5e5);
  border-radius: 6px;
  background: var(--bg-soft, #fafafa);
  color: var(--text-mid, #6b6b6b);
  cursor: pointer;
}

.blog-article .diagram-maximize .diagram-icon {
  display: block;
}

.diagram-tool-btn svg,
.diagram-tool-btn .diagram-icon,
.diagram-lightbox-close .diagram-icon {
  display: block;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.diagram-tool-btn.is-active .diagram-icon {
  filter: brightness(0) invert(1);
}

.diagram-tool-btn:hover {
  color: var(--accent, #1a1a1a);
  border-color: var(--accent, #1a1a1a);
}

.diagram-tool-btn.is-active {
  background: var(--accent, #1a1a1a);
  border-color: var(--accent, #1a1a1a);
  color: var(--bg-card, #fff);
}

.diagram-lightbox-close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--border, #e5e5e5);
  border-radius: 6px;
  background: var(--bg-soft, #fafafa);
  color: var(--text-mid, #6b6b6b);
  cursor: pointer;
}

.diagram-lightbox-close svg {
  display: block;
}

.diagram-lightbox-close:hover {
  background: var(--accent, #1a1a1a);
  border-color: var(--accent, #1a1a1a);
  color: var(--bg-card, #fff);
}

.diagram-lightbox-close:hover .diagram-icon {
  filter: brightness(0) invert(1);
}

.diagram-lightbox-stage {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
  background: var(--bg-soft, #fafafa);
  touch-action: none;
}

.diagram-lightbox-stage.is-pan-enabled {
  cursor: grab;
}

.diagram-lightbox-stage.is-pan-enabled.is-dragging {
  cursor: grabbing;
}

.diagram-lightbox-canvas {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.diagram-lightbox-canvas .mermaid-pending,
.diagram-lightbox-canvas .mermaid-pending.is-rendered {
  font-size: 14px;
  line-height: normal;
  color: inherit;
  margin: 0;
  padding: 0;
  background: transparent;
}

.diagram-lightbox-canvas svg {
  display: block;
  max-width: none;
}

@media (max-width: 640px) {
  .blog-article .diagram-wrap {
    padding: 2.5rem 0.75rem 0.85rem;
  }

  .diagram-lightbox {
    padding: 0;
  }

  .diagram-lightbox-panel {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
  }

  .diagram-lightbox-stage {
    min-height: 0;
  }

  .diagram-lightbox-tools {
    gap: 0.25rem;
  }
}