/* One small navigation shared by the landing page and Sphinx manuals. */
/* Both documentation entry points select layout by available header width,
   not by screen width (Sphinx has a permanent desktop sidebar). */
.page-header,
.libresign-manual-navigation {
  container: libresign-navigation / inline-size;
}
.libresign-nav-shell { min-width: 0; flex: 1; }
.libresign-nav-toggle { display: none; }
nav.libresign-ecosystem-nav {
  position: relative;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: .1rem .22rem;
  font: 500 .875rem/1.35 system-ui, -apple-system, "Segoe UI", sans-serif;
}
nav.libresign-ecosystem-nav > a { white-space: nowrap; }
nav.libresign-ecosystem-nav a,
nav.libresign-ecosystem-nav summary {
  color: #f0fffa;
  text-decoration: none;
  border-radius: 4px;
  padding: .55rem .65rem;
}
nav.libresign-ecosystem-nav > a:hover,
nav.libresign-ecosystem-nav > a:focus-visible,
nav.libresign-ecosystem-nav summary:hover,
nav.libresign-ecosystem-nav summary:focus-visible,
nav.libresign-ecosystem-nav .libresign-nav-group[open] > summary {
  background: #236567;
  color: #fff;
}
nav.libresign-ecosystem-nav a:focus-visible,
nav.libresign-ecosystem-nav summary:focus-visible {
  outline: 3px solid #f4ce70;
  outline-offset: 2px;
}
.libresign-nav-docs { font-weight: 700; }
nav.libresign-ecosystem-nav .libresign-nav-source {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-left: .18rem;
  color: #c6ded9;
  font-size: .77rem;
  font-weight: 400;
  opacity: .85;
}
nav.libresign-ecosystem-nav .libresign-nav-source:hover,
nav.libresign-ecosystem-nav .libresign-nav-source:focus-visible {
  opacity: 1;
  color: #fff;
}
.libresign-nav-group { position: relative; }
.libresign-nav-group summary { cursor: pointer; list-style: none; white-space: nowrap; }
.libresign-nav-group summary::-webkit-details-marker { display: none; }
.libresign-nav-group summary::marker { content: ""; }
.libresign-nav-group summary::after {
  content: "";
  display: inline-block;
  width: .4rem;
  height: .4rem;
  margin-left: .6rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform .15s ease;
}
.libresign-nav-group[open] summary::after {
  transform: translateY(2px) rotate(225deg);
}
nav.libresign-ecosystem-nav .libresign-nav-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 60;
  display: grid;
  gap: .1rem;
  min-width: 225px;
  padding: .4rem;
  transform: translateX(-50%);
  background: #f8fbfa;
  border: 1px solid #b8d2cf;
  border-radius: 6px;
  box-shadow: 0 9px 20px rgb(0 0 0 / .2);
}
nav.libresign-ecosystem-nav .libresign-nav-menu::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  width: 0;
  height: 0;
  transform: translateX(-50%);
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 10px solid #f8fbfa;
  pointer-events: none;
}
nav.libresign-ecosystem-nav .libresign-nav-menu a {
  display: block;
  padding: .65rem .7rem;
  color: #173f41;
  font-weight: 500;
  line-height: 1.4;
}
nav.libresign-ecosystem-nav .libresign-nav-menu a:hover,
nav.libresign-ecosystem-nav .libresign-nav-menu a:focus-visible {
  background: #e1f1ee;
  color: #103f3e;
}
nav.libresign-ecosystem-nav .libresign-nav-quote {
  margin-left: .3rem;
  border: 1px solid #d8f1e7;
  font-weight: 700;
  white-space: nowrap;
}
.libresign-manual-navigation {
  position: relative;
  z-index: 30;
  margin: 0 0 1.2rem;
  padding: .35rem .55rem;
  background: #184c4e;
  border-radius: 5px;
}
@media (prefers-reduced-motion: reduce) {
  .libresign-nav-group summary::after { transition: none; }
}

/* One moving surface gives dropdowns a continuous shape/position transition. */
nav.libresign-ecosystem-nav .libresign-nav-surface { display: none; }
@media (hover: hover) and (pointer: fine) {
  /* Keep the pointer within the group while crossing the arrow gap. */
  nav.libresign-ecosystem-nav .libresign-nav-group[open]::after {
    content: "";
    position: absolute;
    top: 100%;
    left: -12px;
    right: -12px;
    height: 10px;
  }
  nav.libresign-ecosystem-nav.libresign-nav-animated .libresign-nav-surface {
    position: absolute;
    z-index: 1;
    display: block;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border: 1px solid #b8d2cf;
    border-radius: 6px;
    background: #f8fbfa;
    box-shadow: 0 9px 20px rgb(0 0 0 / .2);
    opacity: 0;
    pointer-events: none;
    transition: transform .24s cubic-bezier(.22, 1, .36, 1),
      width .24s cubic-bezier(.22, 1, .36, 1),
      height .24s cubic-bezier(.22, 1, .36, 1),
      opacity .14s ease;
  }
  nav.libresign-ecosystem-nav .libresign-nav-surface.is-visible { opacity: 1; }
  nav.libresign-ecosystem-nav .libresign-nav-surface::before {
    content: "";
    position: absolute;
    top: -10px;
    left: var(--arrow-x, 50%);
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 10px solid #f8fbfa;
    transition: left .24s cubic-bezier(.22, 1, .36, 1);
  }
  nav.libresign-ecosystem-nav.libresign-nav-animated .libresign-nav-group {
    z-index: 2;
  }
  nav.libresign-ecosystem-nav.libresign-nav-animated .libresign-nav-menu {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
  }
  nav.libresign-ecosystem-nav.libresign-nav-animated .libresign-nav-menu::before {
    display: none;
  }
  nav.libresign-ecosystem-nav.libresign-nav-animated .libresign-nav-group[open] .libresign-nav-menu {
    animation: libresign-menu-reveal .18s ease-out both;
  }
}
@keyframes libresign-menu-reveal {
  from { opacity: 0; }
  to { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  nav.libresign-ecosystem-nav.libresign-nav-animated .libresign-nav-surface,
  nav.libresign-ecosystem-nav.libresign-nav-animated .libresign-nav-surface::before {
    transition: none;
  }
  nav.libresign-ecosystem-nav.libresign-nav-animated .libresign-nav-group[open] .libresign-nav-menu {
    animation: none;
  }
}

/* Keep the resource navigation accessible without covering the document while reading. */
@media (min-width: 769px) {
  .libresign-scroll-header {
    position: sticky;
    top: 0;
    z-index: 85;
    transform: translateY(0);
  }
  .libresign-scroll-header.is-scrolled {
    box-shadow: 0 8px 24px rgb(0 0 0 / .17);
  }
  .libresign-scroll-header.is-hidden {
    transform: translateY(calc(-100% - 12px));
    pointer-events: none;
  }
  html { scroll-padding-top: 100px; }
}
@media (min-width: 769px) and (prefers-reduced-motion: no-preference) {
  .libresign-scroll-header {
    transition: transform .24s cubic-bezier(.22, 1, .36, 1), box-shadow .18s ease;
  }
}

/* Collapse navigation before links can wrap into a tall header. The popover
   scrolls internally; opening a long section never extends past the viewport. */
@container libresign-navigation (max-width: 1020px) {
  .libresign-nav-shell {
    display: flex;
    justify-content: flex-end;
  }
  .libresign-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    min-height: 42px;
    padding: 8px 12px;
    border: 1px solid #9acbc3;
    border-radius: 5px;
    background: transparent;
    color: #f0fffa;
    font: 600 .88rem/1.3 system-ui, -apple-system, "Segoe UI", sans-serif;
    cursor: pointer;
  }
  .libresign-nav-toggle:hover,
  .libresign-nav-toggle[aria-expanded="true"] { background: #236567; }
  .libresign-nav-toggle:focus-visible {
    outline: 3px solid #f4ce70;
    outline-offset: 2px;
  }
  nav.libresign-ecosystem-nav {
    display: none;
    position: absolute;
    z-index: 100;
    top: calc(100% + 6px);
    left: 12px;
    right: 12px;
    width: auto;
    max-height: min(66dvh, 410px);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    align-content: start;
    gap: 4px 10px;
    padding: 12px;
    border: 1px solid #8fbab5;
    border-radius: 8px;
    background: #184c4e;
    box-shadow: 0 12px 28px rgb(0 0 0 / .25);
  }
  .libresign-nav-shell.is-open nav.libresign-ecosystem-nav { display: grid; }
  nav.libresign-ecosystem-nav > a,
  nav.libresign-ecosystem-nav > .libresign-nav-group {
    display: block;
    min-width: 0;
    margin: 0;
  }
  nav.libresign-ecosystem-nav > a,
  nav.libresign-ecosystem-nav > .libresign-nav-group > summary {
    padding: 11px 12px;
    font-size: .91rem;
  }
  nav.libresign-ecosystem-nav .libresign-nav-group { position: relative; }
  nav.libresign-ecosystem-nav .libresign-nav-menu {
    position: static;
    top: auto;
    left: auto;
    right: auto;
    min-width: 0;
    max-width: none;
    width: 100%;
    padding: 2px 0 8px 10px;
    transform: none;
    border: 0;
    border-left: 2px solid #7eaeaa;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }
  nav.libresign-ecosystem-nav .libresign-nav-menu::before,
  nav.libresign-ecosystem-nav .libresign-nav-surface,
  nav.libresign-ecosystem-nav .libresign-nav-group[open]::after {
    display: none !important;
  }
  nav.libresign-ecosystem-nav .libresign-nav-menu a {
    padding: 9px 12px;
    color: #e9fffa;
    overflow-wrap: anywhere;
  }
  nav.libresign-ecosystem-nav .libresign-nav-menu a:hover,
  nav.libresign-ecosystem-nav .libresign-nav-menu a:focus-visible {
    color: #173f41;
  }
  nav.libresign-ecosystem-nav .libresign-nav-source {
    font-size: .84rem;
    opacity: .8;
  }
  nav.libresign-ecosystem-nav.libresign-nav-animated .libresign-nav-menu {
    animation: none;
  }
}
@container libresign-navigation (max-width: 610px) {
  nav.libresign-ecosystem-nav {
    grid-template-columns: minmax(0, 1fr);
    max-height: min(60dvh, 360px);
  }
}