@import url("https://fonts.googleapis.com/css2?family=Quicksand:wght@500;600;700;800&display=swap");

/*
 * BFIN 367 — Financial Reporting & Analysis
 * Shared finance interface system
 */

:root {
  --fin-ink: #071a2b;
  --fin-navy: #0b263f;
  --fin-navy-2: #123a55;
  --fin-slate: #536675;
  --fin-muted: #71818d;
  --fin-line: #d9e1e5;
  --fin-canvas: #f2f5f5;
  --fin-paper: #ffffff;
  --fin-emerald: #087f6b;
  --fin-emerald-2: #0aa486;
  --fin-gold: #c79a39;
  --fin-positive: #14866d;
  --fin-negative: #b84a4a;
  --fin-shadow-sm: 0 8px 24px rgba(7, 26, 43, 0.07);
  --fin-shadow-lg: 0 24px 70px rgba(7, 26, 43, 0.14);
  --fin-radius: 16px;
}

html {
  scroll-behavior: smooth;
}

body.bfin-finance {
  margin: 0;
  color: var(--fin-slate);
  background-color: var(--fin-canvas);
  background-image:
    linear-gradient(rgba(7, 26, 43, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 26, 43, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.bfin-finance *,
.bfin-finance *::before,
.bfin-finance *::after {
  box-sizing: border-box;
}

.bfin-finance h1,
.bfin-finance h2,
.bfin-finance h3,
.bfin-finance h4 {
  color: var(--fin-ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: -0.025em;
}

.bfin-finance a,
.bfin-finance button,
.bfin-finance input,
.bfin-finance select,
.bfin-finance textarea {
  font: inherit;
}

.bfin-finance a:focus-visible,
.bfin-finance button:focus-visible,
.bfin-finance input:focus-visible,
.bfin-finance select:focus-visible,
.bfin-finance textarea:focus-visible {
  outline: 3px solid rgba(10, 164, 134, 0.35);
  outline-offset: 3px;
}

.bfin-finance ::selection {
  color: #fff;
  background: var(--fin-emerald);
}

.bfin-finance button,
.bfin-finance [role="button"] {
  border-radius: 9px;
}

.bfin-finance input,
.bfin-finance select,
.bfin-finance textarea {
  border-color: var(--fin-line);
  border-radius: 9px;
}

.bfin-finance table {
  border-color: var(--fin-line);
  font-variant-numeric: tabular-nums;
}

.bfin-finance th {
  background: #e9eff1;
  color: var(--fin-navy);
}

/* ─────────────────────────────────────────────
   Course hubs: homepage + five section indexes
   ───────────────────────────────────────────── */

body.bfin-hub-page {
  min-height: 100vh;
  color: var(--fin-slate);
  background:
    radial-gradient(circle at 5% 18%, rgba(8, 127, 107, 0.08), transparent 22rem),
    linear-gradient(rgba(7, 26, 43, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 26, 43, 0.025) 1px, transparent 1px),
    var(--fin-canvas);
  background-size: auto, 40px 40px, 40px 40px, auto;
}

.bfin-hub-page .nav {
  position: sticky;
  top: 0;
  z-index: 100;
  margin: 0;
  padding: 0 24px;
  background: rgba(7, 26, 43, 0.97);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 28px rgba(7, 26, 43, 0.18);
  backdrop-filter: blur(14px);
}

.bfin-hub-page .nav-inner {
  max-width: 1180px;
  min-height: 72px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.bfin-hub-page .nav-logo,
.bfin-hub-page .nav-title {
  display: flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 760;
  letter-spacing: -0.015em;
  text-decoration: none;
  white-space: nowrap;
}

.bfin-hub-page .badge,
.bfin-hub-page .badge-nav,
.bfin-hub-page .nav-tag {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 5px 10px;
  color: #fff;
  background: var(--fin-emerald);
  border: 1px solid rgba(255,255,255,0.17);
  border-radius: 5px;
  box-shadow: inset 0 1px rgba(255,255,255,0.14);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.bfin-hub-page .nav-links {
  display: flex;
  align-items: stretch;
  align-self: stretch;
  gap: 2px;
}

.bfin-hub-page .nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  color: #b9c8d2;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  font-size: 0.8rem;
  font-weight: 650;
  text-decoration: none;
  transform: none;
  transition: color 160ms ease, background 160ms ease;
}

.bfin-hub-page .nav-links a::after {
  content: "";
  position: absolute;
  right: 13px;
  bottom: 0;
  left: 13px;
  height: 3px;
  background: transparent;
  border-radius: 3px 3px 0 0;
}

.bfin-hub-page .nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.055);
  text-decoration: none;
}

.bfin-hub-page .nav-links a.active {
  color: #fff;
  background: rgba(255,255,255,0.045);
  border: 0;
  border-radius: 0;
  box-shadow: none;
  transform: none;
}

.bfin-hub-page .nav-links a.active::after {
  background: var(--fin-gold);
}

.bfin-hub-page .hero {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 72px 24px 48px;
  text-align: left;
}

.bfin-hub-page .hero-container {
  position: relative;
  width: 100%;
  max-width: 1180px;
  overflow: hidden;
  padding: 0;
  color: #fff;
  background:
    radial-gradient(circle at 88% 22%, rgba(199, 154, 57, 0.2), transparent 24%),
    linear-gradient(118deg, #071a2b 0%, #0b2d49 58%, #0b4b57 100%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  box-shadow: var(--fin-shadow-lg);
  transform: none;
}

.bfin-hub-page .hero-container::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255,255,255,0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.14) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent 35%, #000 74%);
}

.bfin-hub-page .hero-container::after {
  content: "BFIN 367  /  FINANCIAL REPORTING & ANALYSIS";
  position: absolute;
  top: 31px;
  left: 48px;
  z-index: 2;
  color: #8faaa9;
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.bfin-hub-page .label-area {
  position: relative;
  z-index: 1;
  min-height: 300px;
  padding: 76px 48px 48px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.bfin-hub-page .label-area::after {
  content: "";
  position: absolute;
  right: 54px;
  bottom: 48px;
  width: 270px;
  height: 122px;
  opacity: 0.8;
  background:
    linear-gradient(150deg,
      transparent 0 8%,
      var(--fin-emerald-2) 8.5% 10%,
      transparent 10.5% 23%,
      var(--fin-emerald-2) 23.5% 25%,
      transparent 25.5% 41%,
      var(--fin-gold) 41.5% 43%,
      transparent 43.5% 58%,
      var(--fin-gold) 58.5% 60%,
      transparent 60.5% 100%);
  clip-path: polygon(0 79%, 17% 57%, 33% 66%, 52% 34%, 67% 45%, 84% 10%, 100% 0, 100% 100%, 0 100%);
  border-bottom: 1px solid rgba(255,255,255,0.22);
}

.bfin-hub-page h1 {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 0 18px;
  padding: 0;
  color: #fff;
  background: transparent;
  font-size: clamp(2.35rem, 5.5vw, 4.65rem);
  font-weight: 760;
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.bfin-hub-page .subtitle {
  position: relative;
  z-index: 2;
  max-width: 650px;
  margin: 0;
  padding: 0;
  color: #c6d4dc;
  background: transparent;
  font-size: 1.05rem;
  font-weight: 450;
  line-height: 1.7;
}

.bfin-hub-page .container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px 72px;
}

.bfin-hub-page .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.bfin-hub-page .section-title {
  grid-column: 1 / -1;
  margin: 34px 0 2px;
  color: var(--fin-ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.bfin-hub-page .card {
  --accent: var(--fin-emerald);
  position: relative;
  isolation: isolate;
  min-height: 284px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 28px;
  color: var(--fin-slate);
  background: rgba(255,255,255,0.94);
  border: 1px solid var(--fin-line);
  border-radius: 14px;
  box-shadow: var(--fin-shadow-sm);
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.bfin-hub-page .card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: var(--accent);
}

.bfin-hub-page .card::after {
  content: "";
  position: absolute;
  top: 22px;
  right: 22px;
  z-index: -1;
  width: 78px;
  height: 78px;
  opacity: 0.05;
  background: var(--accent);
  border-radius: 50%;
}

.bfin-hub-page .card.slides,
.bfin-hub-page .card.chapter,
.bfin-hub-page .card.module { --accent: #2176a5; }
.bfin-hub-page .card.exercises,
.bfin-hub-page .card.practice { --accent: var(--fin-emerald); }
.bfin-hub-page .card.reviews,
.bfin-hub-page .card.review { --accent: var(--fin-gold); }
.bfin-hub-page .card.oap,
.bfin-hub-page .card.project { --accent: #75649b; }
.bfin-hub-page .card.exam-prep,
.bfin-hub-page .card.test { --accent: #b7524b; }

.bfin-hub-page .card:hover:not(.disabled) {
  background: #fff;
  border-color: color-mix(in srgb, var(--accent) 38%, var(--fin-line));
  box-shadow: 0 18px 42px rgba(7, 26, 43, 0.12);
  transform: translateY(-5px);
}

.bfin-hub-page .icon-wrapper {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  margin: 0 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, #fff);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, #fff);
  border-radius: 10px;
  box-shadow: none;
  transition: background 180ms ease, color 180ms ease;
}

.bfin-hub-page .icon-wrapper svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

.bfin-hub-page .card:hover:not(.disabled) .icon-wrapper {
  color: #fff;
  background: var(--accent);
  transform: none;
}

.bfin-hub-page .card h2 {
  margin: 0 0 10px;
  color: var(--fin-ink);
  font-size: 1.32rem;
  font-weight: 740;
  line-height: 1.25;
}

.bfin-hub-page .card p {
  margin: 0;
  color: var(--fin-slate);
  font-size: 0.93rem;
  font-weight: 430;
  line-height: 1.65;
}

.bfin-hub-page .card-link {
  width: fit-content;
  margin-top: auto;
  padding: 22px 0 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--fin-navy);
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.bfin-hub-page .card:hover:not(.disabled) .card-link {
  gap: 12px;
  color: var(--accent);
  background: transparent;
  border-color: transparent;
}

.bfin-hub-page .card.disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
  filter: grayscale(0.65);
}

.bfin-hub-page footer {
  margin-top: 72px;
  padding: 30px 0 0;
  background: transparent;
  border-top: 1px solid var(--fin-line);
  text-align: left;
}

.bfin-hub-page .footer-text {
  color: var(--fin-muted);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.025em;
}

/* Homepage's richer market-analysis hero */
.bfin-hub-page .finance-hero-shell {
  position: relative;
  z-index: 1;
  min-height: 430px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(310px, 0.9fr);
  align-items: center;
  gap: 44px;
  padding: 72px 54px 48px;
}

.bfin-hub-page .finance-hero-copy {
  position: relative;
  z-index: 2;
}

.bfin-hub-page .finance-eyebrow {
  margin: 0 0 20px;
  color: #8faaa9;
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.bfin-hub-page .finance-hero-shell h1 {
  font-size: clamp(2.55rem, 5.5vw, 4.7rem);
}

.bfin-hub-page .finance-topic-strip {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.bfin-hub-page .finance-topic-strip span {
  padding: 7px 11px;
  color: #cfdae0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.bfin-hub-page .finance-chart-panel {
  position: relative;
  min-height: 280px;
  padding: 22px;
  color: #d9e4e8;
  background: rgba(3, 18, 30, 0.58);
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 14px;
  box-shadow: inset 0 1px rgba(255,255,255,0.06);
}

.bfin-hub-page .chart-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.bfin-hub-page .chart-panel-label {
  color: #91a6b2;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.bfin-hub-page .chart-panel-value {
  display: block;
  margin-top: 4px;
  color: #fff;
  font-size: 1.45rem;
  font-weight: 740;
  font-variant-numeric: tabular-nums;
}

.bfin-hub-page .chart-panel-delta {
  color: #67d9c1;
  font-size: 0.72rem;
  font-weight: 800;
}

.bfin-hub-page .finance-chart-panel svg {
  display: block;
  width: 100%;
  height: 164px;
}

.bfin-hub-page .finance-chart-panel::after {
  content: "ROA     LEVERAGE     ROE";
  position: absolute;
  right: 22px;
  bottom: 16px;
  left: 22px;
  color: #6f8794;
  font-size: 0.61rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  word-spacing: 2.6rem;
}

/* Exam availability state */
.bfin-hub-page .practice-empty-state {
  grid-column: 1 / -1;
  max-width: 740px;
  margin: 0 auto;
  padding: 42px;
  color: var(--fin-slate);
  background: #fff;
  border: 1px solid var(--fin-line);
  border-top: 4px solid var(--fin-gold);
  border-radius: 14px;
  box-shadow: var(--fin-shadow-sm);
  text-align: center;
}

.bfin-hub-page .practice-empty-state svg {
  width: 34px;
  height: 34px;
  color: var(--fin-emerald);
  stroke-width: 1.8;
}

.bfin-hub-page .practice-empty-state h2 {
  margin: 14px 0 8px;
  color: var(--fin-navy);
}

.bfin-hub-page .practice-empty-state p {
  margin: 0;
  color: var(--fin-muted);
}

/* ─────────────────────────────────────────────
   Practice tests: analyst-workstation treatment
   ───────────────────────────────────────────── */

body.bfin-finance.exam-practice-page {
  --practice-accent: var(--fin-emerald);
  --practice-accent-dark: var(--fin-navy);
  --practice-soft: #e8f2f0;
  color: var(--fin-slate);
  background:
    linear-gradient(rgba(7, 26, 43, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 26, 43, 0.025) 1px, transparent 1px),
    var(--fin-canvas) !important;
  background-size: 40px 40px !important;
}

body.bfin-finance.practice-two { --practice-accent: #bb7a26; --practice-soft: #f8efe1; }
body.bfin-finance.practice-three { --practice-accent: #317ca5; --practice-soft: #e6f0f6; }
body.bfin-finance.practice-four { --practice-accent: #716493; --practice-soft: #eeeaf5; }
body.bfin-finance.final-practice { --practice-accent: #b7524b; --practice-soft: #f5e9e8; }

.bfin-finance.exam-practice-page > header {
  background: linear-gradient(90deg, #071a2b, #103b54) !important;
  border-bottom: 3px solid var(--practice-accent) !important;
  box-shadow: 0 8px 28px rgba(7, 26, 43, 0.16) !important;
}

.bfin-finance.exam-practice-page aside {
  background: #fff !important;
  border-right: 1px solid var(--fin-line) !important;
  box-shadow: 8px 0 30px rgba(7, 26, 43, 0.055) !important;
}

.bfin-finance.exam-practice-page aside > div:first-child {
  color: #fff !important;
  background: var(--fin-navy) !important;
  border-bottom: 3px solid var(--practice-accent) !important;
}

.bfin-finance.exam-practice-page main {
  background:
    radial-gradient(circle at 92% 2%, var(--practice-soft), transparent 26rem),
    transparent !important;
}

.bfin-finance .exam-context-bar {
  border: 1px solid var(--fin-line);
  border-radius: 10px;
  box-shadow: var(--fin-shadow-sm);
}

.bfin-finance .exam-context-bar a {
  color: var(--fin-navy);
}

.bfin-finance .exam-page-hero {
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(120deg, var(--fin-navy), #0c4453) !important;
  background-size: 38px 38px, 38px 38px, auto !important;
  border: 0 !important;
  border-left: 5px solid var(--practice-accent) !important;
  border-radius: 12px !important;
  box-shadow: var(--fin-shadow-lg) !important;
}

.bfin-finance .exam-page-hero h1,
.bfin-finance .exam-page-hero h2,
.bfin-finance .exam-page-hero p {
  color: #fff !important;
}

.bfin-finance .exam-page-hero p {
  opacity: 0.78;
}

.bfin-finance .exam-practice-page section,
.bfin-finance .exam-practice-page article {
  border-color: var(--fin-line);
}

.bfin-finance .exam-practice-page button {
  box-shadow: none;
  transition: transform 150ms ease, box-shadow 150ms ease, filter 150ms ease;
}

.bfin-finance .exam-practice-page button:hover {
  filter: brightness(0.98);
  transform: translateY(-1px);
}

/* ─────────────────────────────────────────────
   All interactive lessons, exercises, and games
   ───────────────────────────────────────────── */

.bfin-finance:not(.bfin-hub-page):not(.exam-practice-page) {
  --bg-color: var(--fin-canvas);
  --bg-body: var(--fin-canvas);
  --background: var(--fin-canvas);
  --card-bg: var(--fin-paper);
  --bg-card: var(--fin-paper);
  --sidebar-bg: var(--fin-ink);
  --text-primary: var(--fin-ink);
  --text-main: var(--fin-ink);
  --text-secondary: var(--fin-slate);
  --text-body: var(--fin-slate);
  --border-color: var(--fin-line);
  --accent-blue: var(--fin-emerald);
  --accent-blue-hover: #066c5b;
  --primary: var(--fin-emerald);
  --primary-color: var(--fin-emerald);
  --secondary: var(--fin-navy);
  --shadow-sm: var(--fin-shadow-sm);
  --shadow-md: 0 18px 46px rgba(7, 26, 43, 0.11);
  background-color: var(--fin-canvas);
  background-image:
    linear-gradient(rgba(7, 26, 43, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 26, 43, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Slide decks */
.bfin-finance .slide {
  background: rgba(255,255,255,0.97);
  border: 1px solid var(--fin-line);
  border-top: 5px solid var(--fin-emerald);
  border-radius: 12px;
  box-shadow: 0 26px 70px rgba(7, 26, 43, 0.15);
}

.bfin-finance .slide h1 {
  color: var(--fin-navy);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.bfin-finance h2.slide-title,
.bfin-finance .slide-title {
  color: var(--fin-ink);
  border-bottom-color: var(--fin-emerald);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.bfin-finance .slide h3 {
  color: var(--fin-emerald);
}

.bfin-finance .controls,
.bfin-finance .navigation-controls,
.bfin-finance .slide-controls {
  color: #fff;
  background: rgba(7, 26, 43, 0.96);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  box-shadow: 0 14px 36px rgba(7, 26, 43, 0.22);
}

.bfin-finance .controls .slide-counter,
.bfin-finance .controls label {
  color: #b9c8d2;
}

.bfin-finance .nav-btn,
.bfin-finance .next-btn,
.bfin-finance .prev-btn {
  color: #fff;
  background: var(--fin-emerald);
  border-radius: 7px;
  box-shadow: none;
}

.bfin-finance .nav-btn:hover,
.bfin-finance .next-btn:hover,
.bfin-finance .prev-btn:hover {
  background: #066c5b;
}

.bfin-finance #toc,
.bfin-finance .toc-select {
  color: var(--fin-navy);
  background: #fff;
  border-color: #8ca0ad;
  border-radius: 7px;
}

.bfin-finance .box-highlight,
.bfin-finance .quiz-container,
.bfin-finance .callout,
.bfin-finance .insight-box {
  background: #edf4f3;
  border-color: var(--fin-emerald);
  border-radius: 10px;
  box-shadow: none;
}

.bfin-finance .flip-card-front,
.bfin-finance .flip-card-back {
  border-color: var(--fin-line);
  border-radius: 12px;
  box-shadow: var(--fin-shadow-sm);
}

.bfin-finance .flip-card-back {
  color: #fff;
  background: linear-gradient(135deg, var(--fin-navy), #0a5360);
}

/* Dashboard-style exercise shells */
.bfin-finance .app-container > aside,
.bfin-finance .app-shell > aside,
.bfin-finance aside.sidebar,
.bfin-finance .sidebar {
  color: #fff;
  background:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    var(--fin-ink);
  background-size: 32px 32px;
  border-right: 1px solid rgba(255,255,255,0.09);
  box-shadow: 8px 0 32px rgba(7, 26, 43, 0.13);
}

.bfin-finance .brand-header {
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  text-align: left;
}

.bfin-finance .brand-header h1,
.bfin-finance aside h1,
.bfin-finance aside h2,
.bfin-finance aside h3 {
  color: #fff;
  -webkit-text-fill-color: currentColor;
}

.bfin-finance .brand-logo {
  color: var(--fin-gold);
  filter: saturate(0.55);
  text-shadow: none;
}

.bfin-finance .stat-card {
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 9px;
  box-shadow: none;
}

.bfin-finance .progress-bar,
.bfin-finance [class*="progress-fill"] {
  background: linear-gradient(90deg, var(--fin-emerald), #42c3a8);
  box-shadow: none;
}

.bfin-finance .section-header,
.bfin-finance .content-header,
.bfin-finance .topbar,
.bfin-finance .top-bar {
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--fin-line);
  box-shadow: 0 8px 24px rgba(7, 26, 43, 0.05);
}

.bfin-finance .card:not(.bfin-hub-page .card),
.bfin-finance .question-card,
.bfin-finance .content-card,
.bfin-finance .panel,
.bfin-finance .modal-content {
  border-color: var(--fin-line);
  border-radius: 11px;
  box-shadow: var(--fin-shadow-sm);
}

.bfin-finance .q-header,
.bfin-finance .card-header,
.bfin-finance .panel-header {
  color: var(--fin-navy);
  background: #eaf0f2;
  border-bottom-color: var(--fin-line);
}

.bfin-finance .btn-primary,
.bfin-finance button.primary,
.bfin-finance button[class*="bg-blue-"],
.bfin-finance button[class*="bg-indigo-"],
.bfin-finance a[class*="bg-blue-"],
.bfin-finance a[class*="bg-indigo-"] {
  color: #fff;
  background-color: var(--fin-emerald) !important;
  border-color: var(--fin-emerald) !important;
  box-shadow: none;
}

.bfin-finance .btn-primary:hover,
.bfin-finance button.primary:hover,
.bfin-finance button[class*="bg-blue-"]:hover,
.bfin-finance button[class*="bg-indigo-"]:hover {
  background-color: #066c5b !important;
}

/* Consistent palette for Tailwind-built learning activities */
.bfin-finance .bg-slate-50,
.bfin-finance .bg-slate-100,
.bfin-finance .bg-gray-50,
.bfin-finance .bg-gray-100 {
  background-color: var(--fin-canvas) !important;
}

.bfin-finance .text-slate-900,
.bfin-finance .text-gray-900 {
  color: var(--fin-ink) !important;
}

.bfin-finance .text-slate-800,
.bfin-finance .text-gray-800 {
  color: var(--fin-navy) !important;
}

.bfin-finance .text-blue-600,
.bfin-finance .text-blue-700,
.bfin-finance .text-indigo-600,
.bfin-finance .text-indigo-700,
.bfin-finance .text-teal-600,
.bfin-finance .text-emerald-600 {
  color: var(--fin-emerald) !important;
}

.bfin-finance .border-slate-200,
.bfin-finance .border-gray-200,
.bfin-finance .border-blue-200,
.bfin-finance .border-indigo-200 {
  border-color: var(--fin-line) !important;
}

.bfin-finance header[class*="bg-white"][class*="border-b"] {
  border-top: 3px solid var(--fin-emerald) !important;
  border-bottom-color: var(--fin-line) !important;
  box-shadow: 0 8px 26px rgba(7, 26, 43, 0.07) !important;
}

.bfin-finance [class*="rounded-2xl"][class*="shadow"] {
  border-radius: 12px !important;
  box-shadow: var(--fin-shadow-sm) !important;
}

.bfin-finance [class*="font-mono"] {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* Locked direct-access page */
body.bfin-finance.exam-locked-page {
  background:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(135deg, #071a2b, #0d4050) !important;
  background-size: 44px 44px, 44px 44px, auto !important;
}

.bfin-finance .locked-panel {
  border: 1px solid rgba(255,255,255,0.15) !important;
  border-top: 4px solid var(--fin-gold) !important;
  border-radius: 14px !important;
  box-shadow: 0 30px 80px rgba(0,0,0,0.28) !important;
}

.bfin-finance .locked-mark {
  color: #fff;
  background: var(--fin-emerald);
  border-radius: 10px;
}

.bfin-finance .locked-eyebrow {
  color: var(--fin-emerald);
}

.bfin-finance .locked-return {
  background: var(--fin-navy);
  border-radius: 8px;
}

@media (max-width: 960px) {
  .bfin-hub-page .nav-inner {
    min-height: 64px;
  }

  .bfin-hub-page .nav-links {
    display: none;
  }

  .bfin-hub-page .finance-hero-shell {
    grid-template-columns: 1fr;
    padding: 64px 38px 38px;
  }

  .bfin-hub-page .finance-chart-panel {
    min-height: 250px;
  }

  .bfin-hub-page .label-area {
    min-height: 280px;
    padding: 72px 38px 42px;
  }

  .bfin-hub-page .label-area::after {
    right: -10px;
    opacity: 0.32;
  }
}

@media (max-width: 620px) {
  .bfin-hub-page .nav {
    padding: 0 16px;
  }

  .bfin-hub-page .nav-logo,
  .bfin-hub-page .nav-title {
    font-size: 0.82rem;
  }

  .bfin-hub-page .hero {
    padding: 34px 16px 26px;
  }

  .bfin-hub-page .hero-container {
    border-radius: 14px;
  }

  .bfin-hub-page .hero-container::after {
    top: 24px;
    left: 24px;
    font-size: 0.58rem;
  }

  .bfin-hub-page .label-area,
  .bfin-hub-page .finance-hero-shell {
    min-height: 0;
    padding: 62px 24px 30px;
  }

  .bfin-hub-page h1,
  .bfin-hub-page .finance-hero-shell h1 {
    font-size: clamp(2.05rem, 12vw, 3rem);
  }

  .bfin-hub-page .subtitle {
    font-size: 0.92rem;
  }

  .bfin-hub-page .finance-chart-panel {
    min-height: 225px;
    padding: 18px;
  }

  .bfin-hub-page .finance-chart-panel svg {
    height: 130px;
  }

  .bfin-hub-page .container {
    padding: 10px 16px 52px;
  }

  .bfin-hub-page .grid {
    grid-template-columns: 1fr;
  }

  .bfin-hub-page .card {
    min-height: 250px;
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bfin-finance *,
  .bfin-finance *::before,
  .bfin-finance *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ─────────────────────────────────────────────
   Approachable course design — August 2026
   Keeps the finance context without a trading-terminal look.
   ───────────────────────────────────────────── */

:root {
  --fin-ink: #17324a;
  --fin-navy: #214760;
  --fin-navy-2: #2f6075;
  --fin-slate: #526b78;
  --fin-muted: #738892;
  --fin-line: #dce7e8;
  --fin-canvas: #fbf8f2;
  --fin-paper: #ffffff;
  --fin-emerald: #238c7e;
  --fin-emerald-2: #4db5a6;
  --fin-gold: #d7a53d;
  --fin-coral: #e88270;
  --fin-lavender: #8278b7;
  --fin-shadow-sm: 0 10px 28px rgba(31, 67, 86, 0.08);
  --fin-shadow-lg: 0 24px 60px rgba(31, 67, 86, 0.13);
  --fin-radius: 20px;
}

body.bfin-finance,
.bfin-finance h1,
.bfin-finance h2,
.bfin-finance h3,
.bfin-finance h4,
.bfin-finance .slide h1,
.bfin-finance .slide-title,
.bfin-finance h2.slide-title {
  font-family: "Quicksand", ui-rounded, "Avenir Next", system-ui, sans-serif;
}

body.bfin-finance {
  color: var(--fin-slate);
  background-color: var(--fin-canvas);
  background-image: radial-gradient(rgba(35, 140, 126, 0.12) 1.2px, transparent 1.2px);
  background-size: 28px 28px;
  font-weight: 500;
}

body.bfin-hub-page {
  background:
    radial-gradient(circle at 8% 12%, rgba(232, 130, 112, 0.12), transparent 24rem),
    radial-gradient(circle at 92% 28%, rgba(77, 181, 166, 0.13), transparent 27rem),
    radial-gradient(rgba(35, 140, 126, 0.10) 1.2px, transparent 1.2px),
    var(--fin-canvas);
  background-size: auto, auto, 28px 28px, auto;
}

.bfin-hub-page .nav {
  top: 14px;
  margin: 0 16px;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.bfin-hub-page .nav-inner {
  max-width: 1140px;
  min-height: 66px;
  padding: 8px 12px 8px 16px;
  color: var(--fin-ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(33, 71, 96, 0.12);
  border-radius: 18px;
  box-shadow: 0 9px 28px rgba(31, 67, 86, 0.10);
  backdrop-filter: blur(14px);
}

.bfin-hub-page .nav-logo,
.bfin-hub-page .nav-title {
  color: var(--fin-ink);
  font-size: 0.98rem;
  font-weight: 800;
}

.bfin-hub-page .badge,
.bfin-hub-page .badge-nav,
.bfin-hub-page .nav-tag {
  min-height: 31px;
  color: #fff;
  background: var(--fin-navy);
  border: 0;
  border-radius: 9px;
  box-shadow: none;
}

.bfin-hub-page .nav-links {
  align-self: center;
  gap: 3px;
}

.bfin-hub-page .nav-links a {
  min-height: 42px;
  padding: 0 12px;
  color: var(--fin-slate);
  border-radius: 11px;
  font-size: 0.82rem;
  font-weight: 700;
}

.bfin-hub-page .nav-links a::after {
  display: none;
}

.bfin-hub-page .nav-links a:hover {
  color: var(--fin-ink);
  background: #f1f7f5;
}

.bfin-hub-page .nav-links a.active {
  color: #176f65;
  background: #e1f3ef;
  border-radius: 11px;
}

.bfin-hub-page .hero {
  padding: 68px 24px 38px;
}

.bfin-hub-page .hero-container {
  max-width: 1140px;
  color: var(--fin-ink);
  background:
    radial-gradient(circle at 88% 12%, rgba(215, 165, 61, 0.16), transparent 18rem),
    linear-gradient(135deg, #fffdf8 0%, #edf8f5 100%);
  border: 1px solid rgba(33, 71, 96, 0.12);
  border-radius: 28px;
  box-shadow: var(--fin-shadow-lg);
}

.bfin-hub-page .hero-container::before {
  opacity: 0.45;
  background-image: radial-gradient(rgba(35, 140, 126, 0.18) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  mask-image: linear-gradient(90deg, transparent 48%, #000 100%);
}

.bfin-hub-page .hero-container::after {
  display: none;
}

.bfin-hub-page .label-area {
  min-height: 270px;
  padding: 58px 50px 48px;
  background: transparent;
}

.bfin-hub-page .label-area::after {
  right: 46px;
  bottom: 40px;
  opacity: 0.17;
  background: var(--fin-emerald-2);
}

.bfin-hub-page h1,
.bfin-hub-page .finance-hero-shell h1 {
  color: var(--fin-ink);
  font-weight: 800;
  letter-spacing: -0.045em;
}

.bfin-hub-page .subtitle {
  color: var(--fin-slate);
  font-weight: 600;
}

.bfin-hub-page .hero-container > h1,
.bfin-hub-page .hero-container > .subtitle,
.bfin-hub-page .hero-container > .back-btn {
  position: relative;
  z-index: 2;
  margin-left: 50px;
  margin-right: 50px;
}

.bfin-hub-page .hero-container > .back-btn {
  display: inline-flex;
  margin-top: 42px;
  margin-bottom: 18px;
  color: var(--fin-emerald);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.bfin-hub-page .hero-container > h1 {
  margin-top: 0;
  margin-bottom: 14px;
}

.bfin-hub-page .hero-container > .subtitle {
  margin-top: 0;
  margin-bottom: 52px;
}

.bfin-hub-page .finance-hero-shell {
  min-height: 450px;
  grid-template-columns: minmax(0, 1.03fr) minmax(340px, 0.97fr);
  gap: 48px;
  padding: 58px 52px;
}

.bfin-hub-page .finance-eyebrow {
  margin-bottom: 17px;
  color: var(--fin-emerald);
  font-size: 0.73rem;
  font-weight: 800;
}

.bfin-hub-page .finance-hero-shell h1 {
  max-width: 610px;
  margin-bottom: 19px;
  font-size: clamp(2.55rem, 5vw, 4.35rem);
  line-height: 1.04;
}

.bfin-hub-page .finance-topic-strip {
  margin-top: 27px;
  gap: 8px;
}

.bfin-hub-page .finance-topic-strip span {
  padding: 8px 12px;
  color: var(--fin-navy);
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(33, 71, 96, 0.12);
  border-radius: 999px;
  font-size: 0.69rem;
  font-weight: 800;
}

.bfin-hub-page .analysis-path {
  position: relative;
  z-index: 2;
  padding: 24px;
  color: var(--fin-slate);
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(33, 71, 96, 0.12);
  border-radius: 22px;
  box-shadow: 0 18px 42px rgba(31, 67, 86, 0.11);
}

.bfin-hub-page .analysis-path-head {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--fin-line);
}

.bfin-hub-page .analysis-path-head span {
  display: block;
  margin-bottom: 3px;
  color: var(--fin-emerald);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.bfin-hub-page .analysis-path-head strong {
  color: var(--fin-ink);
  font-size: 1.22rem;
  font-weight: 800;
}

.bfin-hub-page .analysis-step {
  position: relative;
  display: grid;
  grid-template-columns: 28px 42px 1fr;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
}

.bfin-hub-page .analysis-step + .analysis-step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 47px;
  width: 2px;
  height: 15px;
  background: #cbe3df;
}

.bfin-hub-page .analysis-step-number {
  color: #8ba0aa;
  font-size: 0.68rem;
  font-weight: 800;
}

.bfin-hub-page .analysis-step-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--fin-emerald);
  background: #e8f6f2;
  border-radius: 13px;
}

.bfin-hub-page .analysis-step:nth-of-type(3) .analysis-step-icon {
  color: #b88018;
  background: #fff3d8;
}

.bfin-hub-page .analysis-step:nth-of-type(4) .analysis-step-icon {
  color: #c45d4c;
  background: #fff0ec;
}

.bfin-hub-page .analysis-step-icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.9;
}

.bfin-hub-page .analysis-step h2 {
  margin: 0 0 2px;
  color: var(--fin-ink);
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.bfin-hub-page .analysis-step p {
  margin: 0;
  color: var(--fin-muted);
  font-size: 0.74rem;
  font-weight: 600;
  line-height: 1.4;
}

.bfin-hub-page .container {
  max-width: 1140px;
  padding-top: 20px;
}

.bfin-hub-page .grid {
  gap: 22px;
}

.bfin-hub-page .card {
  min-height: 274px;
  padding: 28px;
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(33, 71, 96, 0.12);
  border-radius: 21px;
  box-shadow: var(--fin-shadow-sm);
}

.bfin-hub-page .card::before {
  top: 18px;
  bottom: 18px;
  left: 0;
  width: 5px;
  height: auto;
  border-radius: 0 8px 8px 0;
}

.bfin-hub-page .card::after {
  top: -35px;
  right: -32px;
  width: 118px;
  height: 118px;
  opacity: 0.08;
}

.bfin-hub-page .card.slides,
.bfin-hub-page .card.chapter,
.bfin-hub-page .card.module { --accent: #4f91b5; }
.bfin-hub-page .card.exercises,
.bfin-hub-page .card.practice { --accent: #35a38f; }
.bfin-hub-page .card.reviews,
.bfin-hub-page .card.review { --accent: #d5a441; }
.bfin-hub-page .card.oap,
.bfin-hub-page .card.project { --accent: #8278b7; }
.bfin-hub-page .card.exam-prep,
.bfin-hub-page .card.test { --accent: #e17d6b; }

.bfin-hub-page .grid > .card:nth-of-type(4n+1) { --accent: #e17d6b; }
.bfin-hub-page .grid > .card:nth-of-type(4n+2) { --accent: #35a38f; }
.bfin-hub-page .grid > .card:nth-of-type(4n+3) { --accent: #d5a441; }
.bfin-hub-page .grid > .card:nth-of-type(4n+4) { --accent: #8278b7; }

.bfin-hub-page .card:hover:not(.disabled) {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--fin-line));
  box-shadow: 0 18px 42px rgba(31, 67, 86, 0.13);
  transform: translateY(-4px);
}

.bfin-hub-page .icon-wrapper {
  width: 54px;
  height: 54px;
  flex-basis: 54px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 11%, #fff);
  border: 0;
  border-radius: 16px;
}

.bfin-hub-page .card-icon {
  top: 20px;
  right: 20px;
  width: 76px;
  height: 76px;
  color: var(--accent);
  opacity: 0.10;
  transform: none;
  filter: none;
}

.bfin-hub-page .card:hover:not(.disabled) .card-icon {
  opacity: 0.16;
  transform: scale(1.04);
}

.bfin-hub-page .mod-badge,
.bfin-hub-page .tag,
.bfin-hub-page .card-badge {
  padding: 7px 11px;
  color: color-mix(in srgb, var(--accent) 78%, #17324a);
  background: color-mix(in srgb, var(--accent) 13%, #fff);
  border: 0;
  border-radius: 999px;
  box-shadow: none;
  font-size: 0.70rem;
  font-weight: 800;
}

.bfin-hub-page .card h2,
.bfin-hub-page .card h3 {
  color: var(--fin-ink);
  font-weight: 800;
}

.bfin-hub-page .card p {
  color: var(--fin-slate);
  font-weight: 600;
}

.bfin-hub-page .card-link,
.bfin-hub-page .card-footer {
  color: var(--accent);
  font-weight: 800;
}

.bfin-hub-page .card-footer {
  border-top: 1px solid var(--fin-line);
}

.bfin-hub-page .card-footer .arrow,
.bfin-hub-page .card .arrow {
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  padding: 0;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 50%;
  line-height: 1;
}

.bfin-hub-page .back-btn:hover {
  color: var(--fin-navy);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  transform: translateX(-3px);
}

/* Practice and learning pages retain contrast but use the same warmer system. */
body.bfin-finance.exam-practice-page,
.bfin-finance:not(.bfin-hub-page):not(.exam-practice-page) {
  background-color: var(--fin-canvas) !important;
  background-image: radial-gradient(rgba(35, 140, 126, 0.10) 1.2px, transparent 1.2px) !important;
  background-size: 28px 28px !important;
}

.bfin-finance.exam-practice-page > header,
.bfin-finance .controls,
.bfin-finance .navigation-controls,
.bfin-finance .slide-controls {
  background: linear-gradient(100deg, #214760, #287068) !important;
}

.bfin-finance .exam-page-hero {
  background: linear-gradient(125deg, #28536c, #2f7d73) !important;
  border-radius: 20px !important;
}

.bfin-finance .slide,
.bfin-finance .question-card,
.bfin-finance .content-card,
.bfin-finance .panel,
.bfin-finance .modal-content {
  border-radius: 18px;
}

.bfin-finance .app-container > aside,
.bfin-finance .app-shell > aside,
.bfin-finance aside.sidebar,
.bfin-finance .sidebar {
  background: linear-gradient(155deg, #214760, #27675f);
}

@media (max-width: 960px) {
  .bfin-hub-page .finance-hero-shell {
    grid-template-columns: 1fr;
    padding: 48px 38px 38px;
  }

  .bfin-hub-page .analysis-path {
    max-width: 650px;
  }
}

@media (max-width: 620px) {
  .bfin-hub-page .nav {
    top: 8px;
    margin: 0 8px;
  }

  .bfin-hub-page .nav-inner {
    min-height: 58px;
    border-radius: 14px;
  }

  .bfin-hub-page .hero {
    padding-top: 38px;
  }

  .bfin-hub-page .hero-container {
    border-radius: 20px;
  }

  .bfin-hub-page .finance-hero-shell,
  .bfin-hub-page .label-area {
    padding: 38px 24px 28px;
  }

  .bfin-hub-page .finance-topic-strip {
    gap: 6px;
  }

  .bfin-hub-page .analysis-path {
    padding: 19px;
  }

  .bfin-hub-page .analysis-step {
    grid-template-columns: 24px 38px 1fr;
    gap: 9px;
  }

  .bfin-hub-page .analysis-step-icon {
    width: 38px;
    height: 38px;
  }

  .bfin-hub-page .analysis-step + .analysis-step::before {
    left: 42px;
  }

  .bfin-hub-page .hero-container > h1,
  .bfin-hub-page .hero-container > .subtitle,
  .bfin-hub-page .hero-container > .back-btn {
    margin-left: 24px;
    margin-right: 24px;
  }

  .bfin-hub-page .hero-container > .back-btn {
    margin-top: 28px;
  }

  .bfin-hub-page .hero-container > .subtitle {
    margin-bottom: 34px;
  }

  .bfin-hub-page .card {
    min-height: 240px;
    border-radius: 18px;
  }
}