/*
 * Application Framework CSS
 * Sidebar layout, toggle button, main content area, nested menus
 * Excludes LII global header/footer (handled by global.css)
 */

:root {
  --sidebar-width: 260px;
  --navbar-height: 50px;
  --breakpoint-mobile: 768px;
  --primary: #2C279C;
  --gray-light: #ddd;
  --light: #f5f5f5;
  --dark: #333;
}

/* ===== Layout: Top Header + Sidebar + Main Content ===== */
#wrapper {
  display: grid;
  grid-template-rows: auto auto 1fr;
  grid-template-columns: var(--sidebar-width) 1fr;
}

/* Global header spans full width */
#iblcTopNav {
  grid-column: 1 / -1;
  grid-row: 1;
}

/* IBLC app header wrapper - contains navbar-header and navbar-top-links */
.navbar-header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background-color: #fff;
  border-bottom: 1px solid var(--gray-light);
  gap: 16px;
  order: 3;
}

/* IBLC app header (navbar-header) - left side */
.navbar-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Sidebar */
.sidebar {
  grid-column: 1;
  grid-row: 3;
}

/* Main content */
#page-wrapper {
  grid-column: 2;
  grid-row: 3;
}

/* Sidebar Navigation */
.sidebar {
  background-color: #fff;
  border-right: 1px solid var(--gray-light);
  box-shadow: 2px 0 6px rgba(0, 0, 0, 0.08);
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform 0.3s ease;
}

.sidebar.collapsed {
  transform: translateX(-100%);
}

.sidebar .sidebar-nav {
  padding: 8px;
  list-style: none;
  margin: 0;
  padding-left: 0;
  padding-inline-start: 0;
}

.sidebar .sidebar-nav li {
  margin: 8px 0;
  list-style: none;
  padding-inline-start: 0;
  display: block;
}

.sidebar .sidebar-nav a {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 12px 14px;
  color: var(--dark);
  text-decoration: none;
  border-radius: 3px;
  transition: all 0.2s;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2px;
  line-height: 1.4;
}

.sidebar .sidebar-nav a:hover {
  background-color: rgba(0, 0, 0, 0.05);
  text-decoration: none;
}

.sidebar .sidebar-nav .active > a {
  background-color: var(--primary);
  color: #fff;
  font-weight: bold;
}

/* Arrow indicators for expandable menus */
.fa.arrow {
  font-size: 11px;
  transition: transform 0.2s ease;
  margin-left: 8px;
  flex-shrink: 0;
}

/* Arrow rotation when menu is open */
li > .nav-second-level.show ~ .fa.arrow,
li:has(.nav-second-level.show) .fa.arrow {
  transform: rotate(90deg);
}

/* Hide mobile-only menu items on desktop */
.sidebar li.navbartoplinks-formobile {
  display: none;
}

/* Nested Menu Structure */
.sidebar .nav-second-level {
  display: none;
  list-style: none;
  margin: 0;
  padding-left: 0;
  padding-inline-start: 0;
}

.sidebar .nav-second-level.show {
  display: block;
}

.sidebar .nav-second-level li {
  margin: 4px 0;
  list-style: none;
  padding-inline-start: 0;
}

.nav-second-level a {
  padding: 10px 16px;
  font-size: 13px;
  color: #666;
  letter-spacing: 0.2px;
  font-weight: 400;
}

.sidebar .nav-second-level a {
  padding: 10px 16px 10px 32px;
  font-size: 13px;
  color: #666;
  letter-spacing: 0.2px;
  font-weight: 400;
}

.sidebar .nav-second-level a:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--dark);
}

.sidebar .nav-second-level .active > a {
  color: var(--primary);
  font-weight: bold;
}

/* Main Content Area */
#page-wrapper {
  overflow-y: auto;
  background-color: #fff;
  padding: 16px;
}

#app-content {
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== Sidebar Toggle Button ===== */
.navbar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gray-light);
  padding: 6px;
  cursor: pointer;
  font-size: 18px;
  margin: 0 8px 0 0;
  position: static;
  flex-shrink: 0;
  /* Ensure hidden toggles are removed from tab order */
  visibility: hidden;
}

@media (max-width: 767px) {
  .navbar-toggle {
    visibility: visible;
  }
}

.icon-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--dark);
  margin: 4px 0;
  transition: all 0.2s;
}

/* ===== Top Navigation Bar (IBLC specific) ===== */
.navbar-top-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 8px;
  margin-left: auto;
}

.navbar-top-links li {
  margin: 0;
}

.navbar-top-links a {
  display: block;
  padding: 8px 12px;
  color: var(--dark);
  text-decoration: none;
  font-size: 13px;
  border-radius: 2px;
  transition: all 0.2s;
}

.navbar-top-links a:hover {
  background-color: var(--light);
  color: var(--primary);
}

/* Dropdown in top nav */
.dropdown-toggle {
  cursor: pointer;
}

.dropdown-menu {
  display: none;
  position: absolute;
  background-color: #fff;
  border: 1px solid var(--gray-light);
  border-radius: 2px;
  padding: 0;
  list-style: none;
  margin: 0;
  min-width: 120px;
  z-index: 1000;
  top: 100%;
  right: 0;
}

.dropdown-menu.show,
.dropdown.open .dropdown-menu {
  display: block;
}

.dropdown-menu li a {
  display: block;
  padding: 8px 16px;
  color: var(--dark);
  text-decoration: none;
  font-size: 12px;
}

.dropdown-menu li a:hover {
  background-color: var(--light);
  color: var(--primary);
}

/* Search widget in sidebar */
.sidebar-search {
  padding: 12px;
  margin-bottom: 8px;
}

.sidebar-search input {
  width: 100%;
}

/* ===== Responsive Design ===== */
@media (max-width: 767px) {
  /* Show LII nav hamburger */
  .navbar-toggle {
    display: block;
  }

  /* Hide IBLC top-nav links (Table of contents / Index / Help / eBook) — accessible via sidebar */
  .navbar-top-links {
    display: none;
  }

  /* Off-canvas sidebar: slides in from left */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 80%;
    max-width: 300px;
    height: 100%;
    z-index: 2000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    background-color: #fff;
    overflow-y: auto;
    /* Override the desktop margin-top from customize.css */
    margin-top: 0 !important;
  }

  .sidebar.show {
    transform: translateX(0);
  }

  /* Dim overlay when sidebar is open */
  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 1999;
  }

  .sidebar-overlay.show {
    display: block;
  }

  /* Main content: full width, no left offset */
  #page-wrapper {
    margin-left: 0;
    padding: 16px;
  }
}

/* ===== Print ===== */
@media print {
  .navbar-toggle, .sidebar, .navbar-top-links {
    display: none;
  }

  #page-wrapper {
    margin-left: 0;
    padding: 0;
  }
}