/* ════════════════════════════════════════════
   Custom Styles
   Material for MkDocs Overrides & Enhancements
   ════════════════════════════════════════════ */

/* ── Scroll Progress Bar (top of page) ── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #3f51b5, #7c4dff);
  z-index: 1000;
  transition: width 0.1s ease-out;
  width: 0%;
}

/* ── Reading Time ── */
.reading-time {
  color: var(--md-default-fg-color--light);
  font-size: 0.75rem;
  margin: 0 0 0.75rem;
  opacity: 0.8;
}

.reading-time .tw {
  font-style: normal;
}

/* ── Typography Enhancements ── */

/* Make headings stand out more */
.md-content h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  border-bottom: none;
  position: relative;
}

.md-content h1::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #3f51b5, transparent);
  margin-top: 0.6rem;
  border-radius: 2px;
}

.md-content h2 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-top: 2em;
  padding-bottom: 0.4em;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

/* Better paragraph spacing for readability */
.md-content p {
  line-height: 1.75;
  margin-bottom: 1.2em;
}

/* ── Math Formula Styling ── */

/* Center display math with subtle bg */
.mjx-container[display="true"] {
  margin: 1.5em auto !important;
  padding: 1em 1.5em;
  background: rgba(63, 81, 181, 0.04);
  border-radius: 8px;
  border-left: 3px solid rgba(63, 81, 181, 0.3);
}

/* Inline math slight emphasis */
mjx-container[jax="SVG"][display="true"] + br,
mjx-container:not([display="true"]) {
  /* Inline math styling if needed */
}

/* ── Admonition / Callout Enhancements ── */

/* Geometric intuition callout — special style */
.admonition.intuition,
.admonition.geometric {
  border-left-color: #7c4dff !important;
}

.admonition.intuition .admonition-title,
.admonition.geometric .admonition-title {
  color: #7c4dff !important;

}

.admonition.intuition .admonition-title::before,
.admonition.geometric .admonition-title::before {
  content: '🔮';
}

/* Application/ML callout */
.admonition.application,
.admonition.ml {
  border-left-color: #00e676 !important;
}

.admonition.application .admonition-title,
.admonition.ml .admonition-title {
  color: #00c853 !important;
}

.admonition.application .admonition-title::before,
.admonition.ml .admonition-title::before {
  content: '🤖';
}

/* Warning/critical math note */
.admonition.critical-note {
  border-left-color: #ff5252 !important;
}

.admonition.critical-note .admonition-title::before {
  content: '⚠️';
}

/* Source reference callout */
.admonition.source {
  border-left-color: #40c4ff !important;
}

.admonition.source .admonition-title::before {
  content: '📚';
}

/* ── Code Block Enhancements ── */

/* Show language label more prominently */
.codehilitetable .linenodiv {
  user-select: none;
  color: var(--md-default-fg-color--lighter);
  background: rgba(0,0,0,0.03);
  padding-right: 12px;
}

/* ── Table Styling ── */
.md-content table {
  font-size: 0.9rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.md-content table th {
  background: linear-gradient(180deg, #f5f5f5, #eee);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0.01em;
}

/* ── Navigation Footer Enhancement ── */
.nav-footer {
  border-top: 1px solid var(--md-default-fg-color--lightest);
  padding: 1rem 0;
  margin-top: 3rem;
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
}

/* ── Responsive Tweaks ── */
@media (max-width: 768px) {
  .md-content h1 { font-size: 1.75rem; }
  .md-content h2 { font-size: 1.35rem; }
  
  mjx-container[display="true"] {
    margin: 1em 0 !important;
    padding: 0.6em !important;
    overflow-x: auto;
  }
}

/* ── Print Styles ── */
@media print {
  .scroll-progress,
  .reading-time,
  .md-nav,
  .md-sidebar,
  .paywall-overlay,
  .paywall-wrapper .paywall-overlay {
    display: none !important;
  }

  .paywall-preview {
    filter: none !important;
    -webkit-mask-image: none !important;
    mask-image: none !important;
  }
}