:root {
  /* --- 1. VISUAL THEME (Fintech Blue & Clean) --- */
  --md-hue: 220;
  /* Slate Blue Base */
  --md-primary-fg-color: #0f172a;
  /* Dark Slate */
  --md-accent-fg-color: #2563eb;
  /* Vivid Blue */

  --md-text-font: "Manrope", sans-serif;
  --md-code-font: "JetBrains Mono", monospace;

  /* Slightly tighter font size for professional look */
  --md-typeset-font-size: 0.9rem;
}

/* --- 2. LAYOUT WIDTH (Safe Expansion) --- */
/* Widen the central container to 90% max, but keep it centered */
@media screen and (min-width: 76.25em) {
  .md-grid {
    max-width: 90% !important;
  }
}

/* --- 3. HEADER (Glass Effect without breaking layout) --- */
.md-header {
  background-color: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: none !important;
}

[data-md-color-scheme="slate"] .md-header {
  background-color: rgba(15, 23, 42, 0.9) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- 4. NAVIGATION TABS (Cleaner) --- */
.md-tabs {
  background-color: transparent !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

[data-md-color-scheme="slate"] .md-tabs {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.md-tabs__link {
  font-weight: 600;
  opacity: 0.7;
}

.md-tabs__item--active .md-tabs__link {
  color: var(--md-accent-fg-color);
  opacity: 1;
}

/* --- 5. CONTENT POLISH --- */
/* Remove excessive gap at the top of the page */
.md-content {
  padding-top: 1rem !important;
}

/* Headings */
.md-typeset h1 {
  font-weight: 800;
  color: var(--md-primary-fg-color);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

/* Code Blocks (Sharp & Modern) */
.md-typeset pre>code {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  background-color: #f8fafc;
  font-size: 0.85em;
  /* Compact code */
}

[data-md-color-scheme="slate"] .md-typeset pre>code {
  background-color: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- 6. SIDEBARS (Fixing the overlap) --- */
/* We do NOT position:fixed them manually. We just style the links. */
.md-nav__link {
  font-size: 0.85rem;
}

.md-nav__item .md-nav__link--active {
  font-weight: 700;
  color: var(--md-accent-fg-color);
  border-left: 3px solid var(--md-accent-fg-color);
  padding-left: 8px;
  margin-left: -12px;
}