/* ─── Navbar ──────────────────────────────────────────────────────────────── */
.navbar {
  background-color: var(--terra);
  border-bottom: 2px solid rgba(0, 0, 0, 0.15);
  box-shadow: none;
}

.navbar-sketchbook {
  position: sticky;
  top: 0;
  z-index: 1020;
}

.navbar-sketchbook .container-fluid {
  justify-content: flex-start;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.navbar-brand {
  color: var(--white);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1;
  overflow-wrap: anywhere;
}

.navbar-brand:hover {
  color: var(--sunset);
}

.navbar-collapse {
  display: flex;
  margin-left: auto;
  min-width: 0;
}

.navbar-nav {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.1rem;
  list-style: none;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.navbar-toggler {
  display: none;
  background: none;
  border: none;
  padding: 0.3rem;
  cursor: pointer;
  margin-left: auto;
}

.navbar-toggler-icon {
  position: relative;
  display: block;
  width: 1.4rem;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 1.4rem;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
}

.navbar-toggler-icon::before { top: -6px; }
.navbar-toggler-icon::after { top: 6px; }

/* Override typography.css link styles inside the navbar */
.navbar a,
.navbar a:hover,
.navbar a:focus,
.navbar a:visited {
  text-decoration: none;
  border-bottom: none;
}

.nav-link {
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  white-space: normal;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--sunset);
}

button.nav-link {
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.nav-item-search {
  margin-left: 0.4rem;
  padding-left: 0.5rem;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}


/* ─── Breadcrumb bar ──────────────────────────────────────────────────────── */
.sketchbook-breadcrumb-bar {
  background: rgba(237, 139, 0, 0.07);
  border-bottom: 1px solid rgba(237, 139, 0, 0.18);
  padding: 0.35rem 0;
}

.sketchbook-breadcrumb-inner {
  max-width: 968px;
  padding: 0 1rem;
  margin: 0 auto;
  overflow-x: auto;
}

.breadcrumb-nav-list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 0.25rem 0;
}

.breadcrumb-nav-list-item {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  line-height: 1;
}

.breadcrumb-nav-list-item + .breadcrumb-nav-list-item::before {
  content: '/';
  color: rgba(237, 139, 0, 0.35);
  margin: 0 0.35rem;
}

.breadcrumb-nav-list-item a {
  color: var(--sunset);
  text-decoration: none;
  opacity: 0.75;
}

.breadcrumb-nav-list-item a:hover {
  opacity: 1;
}

.breadcrumb-nav-list-item[aria-current="page"] span {
  color: rgba(237, 139, 0, 0.55);
}


/* ─── Scrollspy ──────────────────────────────────────────────────────────── */

/* Hidden below 60rem; the breakpoint overrides live in the Responsive
   section at the bottom of this file. */
.scrollspy {
  display: none;
}

.scrollspy-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  position: relative;
}

/* Vertical rule behind the dots */
.scrollspy-list::before {
  content: "";
  position: absolute;
  right: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--rule-gray);
}

.scrollspy-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: flex-end;
  text-decoration: none;
  border-bottom: none;
}

.scrollspy-label {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted-gray);
  white-space: nowrap;
  max-width: 10rem;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.15s;
}

.scrollspy-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--rule-gray);
  background: var(--white);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: border-color 0.15s, background 0.15s;
}

.scrollspy-item.active .scrollspy-dot {
  background: var(--terra);
  border-color: var(--terra);
}

.scrollspy-item.active .scrollspy-label {
  color: var(--terra);
}

.scrollspy-link:hover .scrollspy-dot {
  border-color: var(--dark-gray);
}

.scrollspy-link:hover .scrollspy-label {
  color: var(--dark-gray);
}


/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar-sketchbook .container-fluid {
    min-height: auto;
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
  }

  .navbar-toggler {
    display: block;
  }

  .navbar-collapse {
    display: none;
    flex-basis: 100%;
    margin-left: 0;
  }

  .navbar-collapse.show {
    display: flex;
  }

  .navbar-nav {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin-top: 0.6rem;
    gap: 0.2rem;
  }

  .nav-item-search {
    width: 100%;
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 0.4rem;
    margin-top: 0.2rem;
  }

  .breadcrumb-nav-list-item {
    font-size: var(--text-label);
  }
}

/* The scrollspy nav floats fixed to the viewport's top-right corner rather
   than living in a layout column — it should stay put regardless of how
   wide the centered content column is. */
@media (min-width: 60rem) {
  .scrollspy {
    display: block;
    position: fixed;
    top: 5rem;
    right: 2rem;
    max-height: calc(100vh - 7rem);
    overflow-y: auto;
  }
}

/* Slightly wider scrollspy labels at large screens, since there's more margin to use */
@media (min-width: 80rem) {
  .scrollspy-label {
    max-width: 12rem;
  }
}