:root {
  --background: white;
  --textcolor: black;
  --linkcolor: BLUE;
  --menubackground: lightgrey;
}

body {
  margin: 0;
  padding-top: 60px;
  padding-bottom: 60px;
  background: var(--background);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 15px;
  font-weight: normal;
  color: var(--textcolor);
  line-height: 1.5em;
}


main {
  max-width: 1200px;
  margin: 0px auto; /* This centers the element */
  padding: 0px 50px;
  text-align: justify;
}

.main {
  max-width: 1200px;
  margin: 0px auto; /* This centers the element */
  padding: 0px 50px;
  text-align: justify;
}

a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 1.5em;
}

h2 {
  font-size: 1.4em;
  color: black;
  border-bottom: 2px solid lightgrey;
  padding-bottom: 10px;
  margin-top: 40px;
}

h3 {
  font-size: 1.2em;
}

h3 {
  font-size: 1.1em;
}

p {
  padding-top: 0em;
  padding-left: 0em;
  padding-bottom: 0em;
  margin-top: 0.2em;
  margin-bottom: 0.2em;
}

ul {
  margin-left: 0em;
  padding-left: 2em;
}

ol {
  margin-left: 0em;
  padding-left: 2.5em;
}

p.small {
  font-size: 0.9em;
}

p.big {
  font-size: 1.2em;
}

li {
  margin-bottom: 0.5em;
  margin-left: 0.5em;
}

footer {
  background-color: #f0f0f0;
  font-style: italic;
  color: #333;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  text-align: right;
  padding-right: 20px;
  padding-top: 2px;
  padding-bottom: 2px;
  box-sizing: border-box;
}

.content {
  padding: 20px;
  height: 100vh;
}

.btn {
  color: royalblue;
  font-weight: bold;
  font-size: 1.1rem;
  text-decoration: none;
  background-color: var(--menubackground);
  border: 0;
  outline: none;
  border-radius: 5px;
  padding: 5px 10px;
  min-width: 50px;
  text-align: center;
  cursor: pointer;
}

.btn:hover {
  color: var(--linkcolor);
  background-color: var(--background);
  text-decoration: underline;
}

.btn.active {
  color: var(--linkcolor);
}

.button {
  color: black;
  border: 0;
  outline: none;
  padding: 5px 5px;
  background-color: lightgrey;
  border-radius: 5px 5px 5px 5px;
  font-weight: bold;
  font-size: 0.8rem;
  min-width: 100px;
}

.button:hover {
  color: var(--linkcolor);
  text-decoration: underline;
  background-color: lightcyan;
}

.hidden-block {
  display: none;
}

.arrow {
  cursor: pointer;
}

.responsive-nav {
  background-color: var(--menubackground);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  z-index: 1000;
  font-family: Sans-Serif;
  font-size: 16px;
  font-weight: bold;
  color: royalblue;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  box-sizing: border-box;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;           /* prevent flex shrink that causes wrap */
  white-space: nowrap;      /* keep logo+name on one line */
  font-size: 1.2em;
}

.nav-logo {
  height: 40px;
  width: auto !important;   /* override any global width rule */
  flex: 0 0 auto;           /* don’t let flexbox stretch/shrink it */
  display: block;           /* avoid extra inline spacing issues */
}

.nav-prof-name {
  white-space: nowrap;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
}

.nav-links li {
  margin-left: 5px;
}

.nav-links li:first-child {
  margin-left: 0;
}

.nav-brand a {
  color: inherit;
  text-decoration: none;
}

.nav-brand a:hover {
  text-decoration: underline;
}

.hamburger-menu {
  display: none; /* Hidden on desktop by default */
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  justify-content: space-around;
  width: 50px;
  height: 50px;
  box-sizing: border-box;
}

.hamburger-bar {
  width: 100%;
  height: 4px;
  background-color: royalblue;
  border-radius: 2px;
  transition: all 0.3s ease-in-out;
}

.hamburger-menu.active .hamburger-bar:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.hamburger-menu.active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active .hamburger-bar:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* ====== Media Query for Small Screens ====== */
@media screen and (max-width: 1100px) {
  .responsive-nav {
    padding: 0 15px;
  }

  .nav-links {
    display: flex;
    position: absolute;
    top: 60px;
    right: 15px;
    left: auto;
    width: 280px;
    flex-direction: column;
    background-color: var(--menubackground);
    padding: 5px;
    border-radius: 8px;
    box-shadow: 0px 5px 15px rgba(0,0,0,0.15);
    border: 1px solid #ccc;
    z-index: 999;
    text-align: right;
    align-items: flex-end;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.98);
    transform-origin: top right;
    transition: opacity 0.2s ease-out, transform 0.2s ease-out, visibility 0.2s;
  }
  
  .nav-links:not(.active) {
      display: none;
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    display: flex;
  }

  .nav-links li {
    margin: 10px 0;
    width: auto;
  }

  .nav-links .btn {
    font-size: 1.0rem;
    padding: 12px 20px;
  }

  .hamburger-menu {
    display: flex;
  }

  /* NEW RULE: Increase ToC font size on small screens */
  #toc-container .toc-link {
    font-size: 1.0em; /* 1.5 times the body font size */
  }
}

/* ====== Styles for Toggleable Table of Contents ====== */
#toc-container {
  position: fixed;
  transform: translateX(calc(-100% - 10px));
  left: 0;
  top: 60px;
  width: 300px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  z-index: 999;
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-left: none;
  border-radius: 0 8px 8px 0;
  padding: 15px;
  font-family: Arial, sans-serif;
  box-sizing: border-box;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.4s ease-in-out;
}

#toc-container.active {
  transform: translateX(0);
}

#toc-toggle-button {
  position: fixed;
  left: 0;
  top: 60px;
  z-index: 1001;
  background-color: #e0e0e0;
  border: 1px solid #ccc;
  border-left: none;
  padding: 2px;
  cursor: pointer;
  border-radius: 0 8px 8px 0;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s, transform 0.4s ease-in-out;
}

#toc-toggle-button:hover {
  background-color: #d0d0d0;
}

#toc-toggle-button.active {
  transform: translateX(300px);
}

#toc-toggle-button svg {
  width: 40px;
  height: 40px;
  color: royalblue;
  display: block;
  transition: transform 0.3s ease-in-out;
}

#toc-toggle-button.active svg {
  transform: scale(0.9);
}

.toc-title {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.1em;
  font-weight: bold;
  color: black;
}

.toc-list {
  list-style-type: disc;
  padding-left: 20px;
  margin: 0;
}

.toc-sublist {
  list-style-type: circle;
  padding-left: 20px;
}

.toc-link {
  text-decoration: none;
  color: royalblue;
  display: block;
  padding: 4px 0;
  font-size: 1em; /* MODIFIED: Set to match body font size on desktop */
}

.toc-link:hover {
  text-decoration: underline;
}


#toc-container .toc-up-link.icon-only {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;   /* bigger hit area */
  height: 28px;
  border: 1px solid currentColor;
  border-radius: 7px;
  margin: 0.35rem 0 0.35rem 0;
  text-decoration: none;
}
#toc-container .toc-up-link.icon-only svg {
  /* Let the icon fill the box nicely */
  width: 22px;
  height: 22px;
}
#toc-container .toc-up-link.icon-only:hover { opacity: 0.85; }
#toc-container .toc-up-link.icon-only.disabled {
  opacity: 0.5;
  pointer-events: none;
}



html {
  scroll-behavior: smooth;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  scroll-margin-top: 80px;
}

/* ====== Styles for Toggleable Search ====== */
.search-form {
  display: flex;
  align-items: center;
}

.search-input {
  width: 0;
  padding: 0;
  border: none;
  opacity: 0;
  transition: all 0.4s ease-in-out;
}

.search-input.active {
  width: 200px;
  padding: 10px 12px;
  opacity: 1;
  border: 1px solid #ccc;
  border-right: none;
  border-radius: 6px 0 0 6px;
  font-size: 16px;
}

.search-input.active:focus {
  outline: none;
  border-color: #007bff;
}

.search-btn {
  background-color: #e0e0e0;
  border: 1px solid #ccc;
  padding: 10px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-radius 0.4s ease-in-out;
  color: #333;
}

.search-btn:hover {
  background-color: #d0d0d0;
}

.search-input.active+.search-btn {
  border-radius: 0 6px 6px 0;
}

.search-icon {
  width: 20px;
  height: 20px;
}

#quarto-margin-sidebar nav#TOC {
          position: static !important;
          top: auto !important;
          max-height: none !important;
          overflow: visible !important;
        }

  /* Make content span the full browser width */
  .main-container { max-width: 100% !important; width: 100% !important; }
  body { padding-left: 1rem; padding-right: 1rem; } /* small side padding */
  /* Optional: make figures use full width too */
  img, .figure, .figure > img { max-width: 100% !important; width: 100% !important; height: auto; }