/* Case study dark mode overrides. Load after case study content. Scoped to .dark .case-study-content. */

/* Back-to-Portfolio bar: focus ring to match base theme */
.case-study-back a:focus-visible {
  outline: 2px solid #0ea5e9;
  outline-offset: 2px;
  border-radius: 0.375rem;
}
.dark .case-study-back a:focus-visible {
  outline-color: #38bdf8;
}

.dark body {
  background: #0f172a !important;
  color: #e2e8f0 !important;
}

.dark .case-study-content {
  background: #0f172a !important;
  color: #e2e8f0 !important;
}

/* Sections: override alternating light backgrounds */
.dark .case-study-content section,
.dark .case-study-content section:nth-child(even),
.dark .case-study-content section:nth-child(odd) {
  background: #1e293b !important;
  color: #e2e8f0 !important;
  border-color: #334155 !important;
}

.dark .case-study-content .hero {
  background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #0f172a 100%) !important;
  color: #f1f5f9 !important;
  border-color: #334155 !important;
}

.dark .case-study-content .hero h1,
.dark .case-study-content .hero .subtitle,
.dark .case-study-content .hero .meta,
.dark .case-study-content .hero .meta span {
  color: #f1f5f9 !important;
}

.dark .case-study-content .hero .meta span {
  background: rgba(255, 255, 255, 0.15) !important;
  border: 1px solid #475569 !important;
}

.dark .case-study-content .insight,
.dark .case-study-content .problem,
.dark .case-study-content .solution,
.dark .case-study-content .architecture,
.dark .case-study-content .process,
.dark .case-study-content .metrics,
.dark .case-study-content .tradeoffs,
.dark .case-study-content .learnings,
.dark .case-study-content .roadmap,
.dark .case-study-content .footer-cta {
  background: #1e293b !important;
  color: #e2e8f0 !important;
  border-color: #334155 !important;
}

/* Headings and typography */
.dark .case-study-content h1,
.dark .case-study-content h2,
.dark .case-study-content h3,
.dark .case-study-content h4,
.dark .case-study-content h5,
.dark .case-study-content h6,
.dark .case-study-content .hero h1,
.dark .case-study-content .problem-card h3,
.dark .case-study-content .feature-card h3,
.dark .case-study-content .stat,
.dark .case-study-content .learning-card h3,
.dark .case-study-content .roadmap-card h3,
.dark .case-study-content .trust-card h3,
.dark .case-study-content .timeline-item h3,
.dark .case-study-content .journey-step h3,
.dark .case-study-content .arch-layer h4 {
  color: #f1f5f9 !important;
}

/* Body text and labels: high-contrast for dark mode (consistent with headings) */
.dark .case-study-content p,
.dark .case-study-content li,
.dark .case-study-content td,
.dark .case-study-content th,
.dark .case-study-content .subtitle,
.dark .case-study-content .section-subtitle,
.dark .case-study-content .quote,
.dark .case-study-content .attribution,
.dark .case-study-content .number,
.dark .case-study-content .label,
.dark .case-study-content .step-number,
.dark .case-study-content .description {
  color: #e2e8f0 !important;
}

/* Cards and boxes */
.dark .case-study-content .container,
.dark .case-study-content .problem-card,
.dark .case-study-content .feature-card,
.dark .case-study-content .insight-box,
.dark .case-study-content .learning-card,
.dark .case-study-content .roadmap-card,
.dark .case-study-content .trust-card,
.dark .case-study-content .metric-card,
.dark .case-study-content .arch-diagram,
.dark .case-study-content .arch-layer,
.dark .case-study-content .tradeoff-table {
  background: #1e293b !important;
  border-color: #334155 !important;
}

.dark .case-study-content .problem-card:hover,
.dark .case-study-content .feature-card:hover,
.dark .case-study-content .learning-card:hover,
.dark .case-study-content .roadmap-card:hover,
.dark .case-study-content .trust-card:hover {
  border-color: #475569 !important;
}

/* Metric card: titles and body text high-contrast white */
.dark .case-study-content .metric-card .number,
.dark .case-study-content .metric-card .label,
.dark .case-study-content .metric-card .description,
.dark .case-study-content .metric-card p {
  color: #f1f5f9 !important;
}

/* Phase badges on roadmap cards */
.dark .case-study-content .roadmap-card .phase {
  background: #334155 !important;
  color: #f1f5f9 !important;
  border-color: #475569 !important;
}

/* Feature icon (keep visible in dark) */
.dark .case-study-content .feature-icon {
  background: linear-gradient(135deg, #334155, #475569) !important;
  border-color: #475569 !important;
}

/* Timeline */
.dark .case-study-content .timeline,
.dark .case-study-content .timeline-section {
  background: transparent !important;
}

.dark .case-study-content .timeline::before {
  background: #475569 !important;
}

.dark .case-study-content .timeline-item,
.dark .case-study-content .journey-step {
  background: #1e293b !important;
  border-color: #334155 !important;
  color: #e2e8f0 !important;
}

.dark .case-study-content .timeline-item::before,
.dark .case-study-content .timeline-item:nth-child(odd)::before,
.dark .case-study-content .timeline-item:nth-child(even)::before {
  background: #64748b !important;
}

.dark .case-study-content .timeline-item h3,
.dark .case-study-content .timeline-item p,
.dark .case-study-content .journey-step h3,
.dark .case-study-content .journey-step p {
  color: #f1f5f9 !important;
}

.dark .case-study-content .journey-step .step-number {
  color: #e2e8f0 !important;
  background: #334155 !important;
  border-color: #475569 !important;
}

/* Tradeoff table */
.dark .case-study-content .tradeoff-table th {
  background: #0f172a !important;
  color: #f1f5f9 !important;
  border-color: #334155 !important;
}

.dark .case-study-content .tradeoff-table td {
  color: #e2e8f0 !important;
  border-color: #334155 !important;
}

.dark .case-study-content .tradeoff-table .chosen {
  background: #334155 !important;
  color: #86efac !important;
  border-color: #475569 !important;
}

.dark .case-study-content .tradeoff-table .rejected {
  background: #1e293b !important;
  color: #94a3b8 !important;
  border-color: #334155 !important;
}

/* Top bar (inside case study content if present) */
.dark .case-study-content .top-bar {
  background: #1e293b !important;
  border-color: #334155 !important;
}

.dark .case-study-content .back-link {
  color: #93c5fd !important;
}

.dark .case-study-content .contact,
.dark .case-study-content .contact a {
  color: #e2e8f0 !important;
}

/* Links */
.dark .case-study-content a:not(.btn) {
  color: #93c5fd !important;
}

.dark .case-study-content a:hover {
  color: #bfdbfe !important;
}

/* Buttons: visible in dark */
.dark .case-study-content .btn-primary {
  background: #f1f5f9 !important;
  color: #0f172a !important;
  border-color: #cbd5e1 !important;
}

.dark .case-study-content .btn-primary:hover {
  background: #e2e8f0 !important;
  color: #0f172a !important;
}

.dark .case-study-content .btn-secondary {
  background: transparent !important;
  color: #f1f5f9 !important;
  border-color: #94a3b8 !important;
}

.dark .case-study-content .btn-secondary:hover {
  background: #334155 !important;
  color: #f1f5f9 !important;
}

/* Inline style overrides: light text colors -> dark mode readable */
.dark .case-study-content [style*="color: #555"],
.dark .case-study-content [style*="color:#555"],
.dark .case-study-content [style*="color: #666"],
.dark .case-study-content [style*="color:#666"],
.dark .case-study-content [style*="color: #333"],
.dark .case-study-content [style*="color:#333"],
.dark .case-study-content [style*="color: #1a1a1a"],
.dark .case-study-content [style*="color:#1a1a1a"] {
  color: #e2e8f0 !important;
}

/* Inline style overrides: light backgrounds -> dark */
.dark .case-study-content [style*="background: #ffffff"],
.dark .case-study-content [style*="background:#ffffff"],
.dark .case-study-content [style*="background: #fff"],
.dark .case-study-content [style*="background:#fff"],
.dark .case-study-content [style*="background: white"],
.dark .case-study-content [style*="background:white"],
.dark .case-study-content [style*="background: #fafafa"],
.dark .case-study-content [style*="background:#fafafa"],
.dark .case-study-content [style*="background: #f8f9fa"],
.dark .case-study-content [style*="background:#f8f9fa"],
.dark .case-study-content [style*="background: #fffef5"],
.dark .case-study-content [style*="background:#fffef5"] {
  background: #1e293b !important;
  border-color: #334155 !important;
  color: #e2e8f0 !important;
}

/* Inline boxes with colored backgrounds (pastels): make dark and readable */
.dark .case-study-content [style*="background: #A8E6CF"],
.dark .case-study-content [style*="background:#A8E6CF"],
.dark .case-study-content [style*="background: #FFAAA5"],
.dark .case-study-content [style*="background:#FFAAA5"],
.dark .case-study-content [style*="background: #FFD3B6"],
.dark .case-study-content [style*="background:#FFD3B6"] {
  background: #334155 !important;
  border-color: #475569 !important;
  color: #e2e8f0 !important;
}

/* Inline border-left accent (e.g. trade-off box) */
.dark .case-study-content [style*="border-left: 4px solid #667eea"] {
  border-left-color: #93c5fd !important;
}

.dark .case-study-content [style*="color: #667eea"],
.dark .case-study-content [style*="color:#667eea"] {
  color: #93c5fd !important;
}

/* Learning card list bullets */
.dark .case-study-content .learning-card li::before,
.dark .case-study-content .roadmap-card li::before,
.dark .case-study-content .trust-card li::before,
.dark .case-study-content .arch-layer li::before {
  color: #94a3b8 !important;
}

.dark .case-study-content .learning-card ul,
.dark .case-study-content .roadmap-card ul,
.dark .case-study-content .trust-card ul,
.dark .case-study-content .arch-layer ul {
  color: #e2e8f0 !important;
}

.dark .case-study-content em {
  color: #e2e8f0 !important;
}