/* =======================================================
   Refined scholarly theme
   Restrained palette, serif display type, hairline rules.
   Loaded after style.css; page <style> blocks set some colors
   and fonts per class, so key rules use !important.
   ======================================================= */

:root {
  --ink: #1b1f2a;
  --text: #34373f;
  --muted: #6d7079;
  --accent: #1f3a5f;
  --accent-hover: #0f2540;
  --gold: #a8894f;
  --hairline: #e8e3d9;
  --ivory: #faf8f3;
  --border: #e8e3d9;
  --serif-display: "Cormorant Garamond", Garamond, "Times New Roman", serif;
  --sans: "Source Sans 3", "Segoe UI", Arial, sans-serif;
}

html, body { color: var(--text) !important; }
body {
  font-family: var(--sans);
  font-size: 17.5px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: #efe7d6; }

/* One text face across content; page blocks set Quicksand per class.
   Icons and code keep their own fonts. */
#colorlib-main *:not(code):not(pre):not([class^="icon-"]):not([class*=" icon-"]) { font-family: inherit; }

a { color: var(--accent) !important; }
a:hover, a:focus { color: var(--accent-hover) !important; }
#colorlib-main a {
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-decoration-color: rgba(31, 58, 95, 0.28);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
#colorlib-main a:hover { text-decoration-color: currentColor; }

h1, h2, h3, h4, h5, h6 { color: var(--ink) !important; }

/* ---------- Sidebar ---------- */
#colorlib-aside { border-right: 1px solid var(--hairline); }
#colorlib-aside .author-img {
  border: 1px solid var(--hairline);
  box-shadow: 0 0 0 5px #fff, 0 0 0 6px var(--hairline);
}
#colorlib-aside #colorlib-logo {
  font-family: var(--serif-display) !important;
  font-size: 27px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.15;
  margin-top: 28px;
}
#colorlib-aside #colorlib-logo a { color: var(--ink) !important; }
#colorlib-aside .position {
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  line-height: 1.8;
  color: var(--muted);
  padding: 0 18px;
}
#colorlib-aside #colorlib-main-menu ul li {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  margin-bottom: 4px;
}
#colorlib-aside #colorlib-main-menu ul li a {
  font-family: var(--sans);
  color: var(--muted) !important;
}
#colorlib-aside #colorlib-main-menu ul li a:hover,
#colorlib-aside #colorlib-main-menu ul li.active a { color: var(--ink) !important; }
#colorlib-aside #colorlib-main-menu ul li a:after { background-color: var(--gold); }

/* ---------- Page titles ---------- */
#colorlib-main h1,
#colorlib-main h2,
#colorlib-main h3,
#colorlib-main .section-heading,
#colorlib-main .category-heading,
#colorlib-main .book-title,
#colorlib-main .book-section-title,
#colorlib-main .teaching-table .inst-row th {
  font-family: var(--serif-display) !important;
}
.section-heading {
  font-weight: 600 !important;
  font-size: 2.5em !important;
  letter-spacing: 0.005em;
  line-height: 1.1;
  border-bottom: none !important;
  padding-bottom: 18px !important;
  margin-bottom: 12px !important;
  position: relative;
}
.section-heading:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 1px;
  background: var(--gold);
}
.category-heading {
  font-weight: 600 !important;
  font-size: 1.6em !important;
  border-bottom: 1px solid var(--hairline) !important;
}

/* ---------- Section labels ---------- */
.subsection-heading {
  color: var(--ink) !important;
  font-weight: 600 !important;
  font-size: 0.72em !important;
  letter-spacing: 0.22em !important;
  display: flex;
  align-items: center;
  gap: 14px;
}
.subsection-heading:after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

/* ---------- Research ---------- */
.research-metrics { color: var(--muted) !important; }
.research-metrics strong {
  color: var(--ink) !important;
  font-weight: 600 !important;
  letter-spacing: 0.2em !important;
}
.course-item {
  border-bottom-color: var(--hairline) !important;
  padding: 12px 0 !important;
}
.course-title { color: var(--text) !important; }
.course-title em { color: var(--ink) !important; }

/* ---------- Teaching ---------- */
.expertise-dot {
  background: var(--gold) !important;
  width: 12px !important;
  height: 1px !important;
  border-radius: 0 !important;
  margin-top: 0.9em !important;
}
.teaching-table { color: var(--text) !important; }
.teaching-table th,
.teaching-table td { border-bottom-color: var(--hairline) !important; }
.teaching-table thead th {
  color: var(--muted) !important;
  font-weight: 600 !important;
  letter-spacing: 0.18em !important;
  border-bottom: 1px solid var(--ink) !important;
}
.teaching-table .inst-row th {
  color: var(--ink) !important;
  font-size: 1.3em !important;
  font-weight: 600 !important;
  border-bottom: 1px solid var(--hairline) !important;
}

/* ---------- Awards and service ---------- */
.award-amount { color: var(--accent) !important; }

/* ---------- Book page ---------- */
.btn-primary-book { background-color: var(--accent) !important; color: #fff !important; text-decoration: none !important; }
.btn-primary-book:hover { background-color: var(--accent-hover) !important; }
.btn-outline-book { border-color: var(--accent) !important; color: var(--accent) !important; text-decoration: none !important; }
.book-toc td:first-child { color: var(--gold) !important; }
#colorlib-main p[style*="#1E40AF"] { color: var(--ink) !important; letter-spacing: 0.02em; }
#colorlib-main div[style*="solid #1E40AF"] {
  background: var(--ivory) !important;
  border-left-color: var(--gold) !important;
}
#colorlib-main code[style*="#1E40AF"] { color: var(--accent) !important; }

/* ---------- Footer ---------- */
#colorlib-main footer hr { border-top-color: var(--hairline) !important; }
#colorlib-main footer nav a {
  color: var(--muted) !important;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.9em;
}

/* ---------- Phones ---------- */
@media screen and (max-width: 768px) {
  .section-heading { font-size: 2.1em !important; }
  .subsection-heading { letter-spacing: 0.14em !important; }
  .research-metrics strong { letter-spacing: 0.12em !important; }
  /* Start text below the fixed menu button; keep the button readable over text */
  #colorlib-main { padding-top: 72px; }
  .colorlib-nav-toggle { background: rgba(255, 255, 255, 0.94); }
}
@media screen and (max-width: 600px) {
  .teaching-table thead th { font-size: 12px !important; }
}

/* ---------- Touch screens ---------- */
/* Pin the sidebar to the viewport so it scrolls on short screens such as
   phones in landscape; main.js sets no height on mobile devices. */
#colorlib-aside {
  top: 0;
  bottom: 0;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
/* Rows at least 44px tall, so a tap cannot land on the neighboring link */
@media screen and (max-width: 768px), (pointer: coarse) {
  #colorlib-aside #colorlib-main-menu ul li { margin-bottom: 0; }
  #colorlib-aside #colorlib-main-menu ul li a {
    display: inline-block;
    vertical-align: top;
    padding: 12px 24px;
  }
  #colorlib-aside #colorlib-main-menu ul li a:after { left: 24px; right: 24px; bottom: 11px; }
  #colorlib-main footer nav a { display: inline-block; padding: 12px 6px; }
}
/* iOS Safari passes a tap on plain text to the close-menu handler only
   when the tapped element looks clickable */
body.offcanvas #colorlib-main { cursor: pointer; }
/* Touch screens keep :hover after a tap; hold the menu icon lines still */
@media (hover: none) {
  .colorlib-nav-toggle:not(.active):hover i::before { top: -7px; }
  .colorlib-nav-toggle:not(.active):hover i::after { bottom: -7px; }
}