/* Analytics / dashboard theme for the Power BI case studies (loaded after Bootstrap + page CSS) */
:root {
  --pbi-bg: #eef2f7;
  --pbi-surface: #ffffff;
  --pbi-ink: #1e293b;
  --pbi-muted: #64748b;
  --pbi-accent: #f2c811; /* Power BI yellow */
  --pbi-accent-2: #0b6bcb; /* was #118dff (3.35:1 on white); 5.28:1 (F31) */
  --pbi-border: #e2e8f0;
}

body {
  background: var(--pbi-bg) !important;
  color: var(--pbi-ink);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  margin: 0;
}

/* ---- Top nav ---- */
nav {
  background: #ffffff;
  border-bottom: 3px solid var(--pbi-accent);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
  position: sticky;
  top: 0;
  z-index: 30;
}
nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0.7rem 1.2rem;
  max-width: 1200px;
  margin: 0 auto;
}
nav ul li { padding: 0; }
nav ul li a {
  display: block;
  padding: 0.4rem 0.8rem;
  color: var(--pbi-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 6px;
  transition: background 0.2s ease, color 0.2s ease;
}
nav ul li a:hover { background: rgba(17, 141, 255, 0.1); color: var(--pbi-accent-2); }
nav ul li.language, body nav ul .language { position: static; margin-left: auto; } /* sits in the nav row, not pinned over the top bar (F31) */
nav ul li.language a { border: 1px solid var(--pbi-border); }

/* ---- Hero ---- */
main { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.top {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #fff;
  border-radius: 0 0 16px 16px;
  padding: 2.4rem 2rem;
  margin-bottom: 1.6rem;
  border-top: 4px solid var(--pbi-accent);
}
.top h1 {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pbi-accent);
  border: 1px solid rgba(242, 200, 17, 0.5);
  border-radius: 20px;
  padding: 0.25rem 0.9rem;
  margin-bottom: 0.9rem;
}
.top h2 { font-size: 1.9rem; margin: 0 0 0.8rem; line-height: 1.25; }
.top h3 { font-size: 1rem; font-weight: 400; color: #cbd5e1; line-height: 1.6; }
.top h3 b { color: #fff; }

/* ---- KPI tiles (injected) ---- */
.pbi-kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 0 0 1.6rem;
}
.pbi-kpi {
  background: var(--pbi-surface);
  border: 1px solid var(--pbi-border);
  border-left: 4px solid var(--pbi-accent-2);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
}
.pbi-kpi .k-val { font-size: 1.35rem; font-weight: 800; color: var(--pbi-ink); }
.pbi-kpi .k-label { font-size: 0.82rem; color: var(--pbi-muted); margin-top: 0.2rem; }

/* ---- Method / case-study card (injected) ---- */
.pbi-method {
  background: var(--pbi-surface);
  border: 1px solid var(--pbi-border);
  border-radius: 14px;
  padding: 1.4rem 1.6rem;
  margin-bottom: 1.6rem;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}
.pbi-method h3 { font-size: 1.15rem; margin: 0 0 1rem; color: var(--pbi-accent-2); }
.pbi-method dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.5rem 1.2rem; margin: 0; }
.pbi-method dt { font-weight: 700; color: var(--pbi-ink); }
.pbi-method dd { margin: 0; color: var(--pbi-muted); line-height: 1.55; }
.pbi-method .tags { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pbi-method .tags span {
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(242, 200, 17, 0.18);
  color: #7a5a00;
  border: 1px solid rgba(242, 200, 17, 0.5);
  border-radius: 6px;
  padding: 0.2rem 0.6rem;
}

/* ---- Embedded dashboard ---- */
.main-area .container, .main-area {
  background: var(--pbi-surface);
  border: 1px solid var(--pbi-border);
  border-radius: 14px;
  padding: 0.8rem;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  margin-bottom: 1.6rem;
}
.main-area iframe { width: 100%; min-height: 540px; border: 0; border-radius: 8px; display: block; }

/* ---- Description content ---- */
.table, .description {
  background: var(--pbi-surface);
  border: 1px solid var(--pbi-border);
  border-radius: 14px;
  padding: 1.4rem 1.8rem;
  margin-bottom: 2rem;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
  line-height: 1.65;
}
.description ol, .description ul { margin: 0.6rem 0 1.2rem 1.2rem; }
.description li { padding: 0.2rem 0; color: #334155; }
.description h5 { color: var(--pbi-accent-2); font-weight: 700; margin: 1rem 0 0.3rem; }
.description table { display: block; }

footer {
  text-align: center;
  padding: 1.6rem;
  color: var(--pbi-muted);
  background: #ffffff;
  border-top: 1px solid var(--pbi-border);
}

/* ---- Back-to-CV link: in a bar at the top of every page, not floating over content (F31) ---- */
.cv-back-bar { padding: 8px 16px; }
.cv-back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #1e293b;
  background: var(--pbi-accent);
  border-radius: 24px;
  padding: 0.55rem 1.1rem;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
  transition: transform 0.2s ease;
}
.cv-back:hover { transform: translateY(-2px); }

@media (max-width: 700px) {
  /* One swipeable row instead of a tall wrapped list (F31). */
  body nav ul { flex-direction: row; align-items: center; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding: 0.4rem 0.8rem; }
  body nav ul li { flex: 0 0 auto; width: auto; margin: 0; }
  body nav ul li.language { margin-left: 0; }
  .top { padding: 1.6rem 1.2rem; }
  .top h2 { font-size: 1.5rem; }
  .main-area iframe { min-height: 380px; }
  .cv-back { font-size: 0.8rem; padding: 0.45rem 0.85rem; }
}