/* ==========================================================================
   ReadTheDocs Theme - Light Neutral Header + Slate Sidebar (Diagram-friendly)
   Goals:
     - Header: light background for black title text and natural diagram colors
     - Sidebar: subtle slate tint with clear hover/active states
     - Accent: single consistent blue for focus and active markers
   ========================================================================== */

/* --------------------------------------------------------------------------
   MAIN NAVIGATION SIDEBAR
   -------------------------------------------------------------------------- */

/* Sidebar container */
.wy-nav-side {
    background: whitesmoke !important;          /* slate-100 */
    border-right: 1px solid #CBD5E1 !important; /* slate-300 */
}

/* Custom scrollbar styling (WebKit browsers: Chrome, Safari, Edge) */
.wy-side-scroll::-webkit-scrollbar-track {
    background: whitesmoke;
}

.wy-side-scroll::-webkit-scrollbar-thumb {
    background: #CBD5E1; /* slate-300 */
}

.wy-side-scroll::-webkit-scrollbar-thumb:hover {
    background: #94A3B8; /* slate-400/500-ish for clearer affordance */
}

/* --------------------------------------------------------------------------
   SITE HEADER (Logo/Title Block)
   -------------------------------------------------------------------------- */

/* Header block background (light, with a subtle bottom rule) */
.wy-side-nav-search {
    background: #F1F5F9 !important;          /* whitesmoke #dce6ef #F8FAFC near-white */
    border-bottom: 1px solid #cccccc !important; /* Light gray border, before #CBD5E1 */
}

/* Remove extra spacing around the logo link */
.wy-side-nav-search > a {
  margin: 0;
  padding: 0;
}

/* Site name/logo link text (black) */
.wy-side-nav-search a.icon-home {
    color: #0F172A !important;               /* slate-900 */
}

/* Backup selector for site name link without icon-home class */
.wy-side-nav-search > a.icon {
    color: #0F172A !important;
}

/* Search input field styling */
.wy-side-nav-search input[type="text"] {
    background: #FFFFFF !important;
    border: 1px solid #CBD5E1 !important;
    color: #0F172A !important;
}

/* Improve focus visibility (keyboard and accessibility) */
.wy-side-nav-search input[type="text"]:focus {
    outline: none;
    border-color: #2563EB !important;        /* blue-600 */
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25) !important;
}

/* Version selector text (if version dropdown is enabled) */
.wy-side-nav-search > div.version {
    color: #334155 !important;               /* slate-700 */
}

/* --------------------------------------------------------------------------
   NAVIGATION MENU ITEMS - HIERARCHY & STRUCTURE
   -------------------------------------------------------------------------- */

/* Default state for all navigation links */
.wy-menu-vertical a {
    color: #0F172A !important;               /* slate-900 */
}

/* Top-level and nested menu item backgrounds */
.wy-menu-vertical li.toctree-l2,
.wy-menu-vertical li.toctree-l3,
.wy-menu-vertical li.toctree-l4 {
    background: whitesmoke !important;
}

.wy-menu-vertical li.toctree-l2 > a,
.wy-menu-vertical li.toctree-l3 > a,
.wy-menu-vertical li.toctree-l4 > a {
    background: whitesmoke !important;
}

/* Nested items within expanded/current section */
.wy-menu-vertical li.current a {
    color: #0F172A !important;
    background: whitesmoke !important;
}

/* --------------------------------------------------------------------------
   NAVIGATION MENU ITEMS - INTERACTIVE STATES
   -------------------------------------------------------------------------- */

/* Hover state for all menu items */
.wy-menu-vertical a:hover {
    background-color: #E2E8F0 !important;    /* slate-200 */
    color: #0F172A !important;
}

/* Hover state for nested items in current section */
.wy-menu-vertical li.current a:hover {
    background-color: #E2E8F0 !important;
    color: #0F172A !important;
}

/* Current/selected page:
   Use a light blue highlight + a left accent bar (more standard than right bar) */
.wy-menu-vertical li.current > a {
    background: #DBEAFE !important;          /* blue-100 */
    color: #0F172A !important;
    border-left: 4px solid #2563EB !important; /* blue-600 */
    border-right: none !important;
}

/* Expanded section container background */
.wy-menu-vertical li.current {
    background: whitesmoke !important;
}

/* Active/selected nested item within current section */
.wy-menu-vertical li.current li.current > a {
    background: #BFDBFE !important;          /* blue-200 */
    color: #0F172A !important;
    border-left: 4px solid #2563EB !important;
}

/* --------------------------------------------------------------------------
   SECTION HEADERS & UI ELEMENTS
   -------------------------------------------------------------------------- */

/* Section headers (e.g., "ONLINE", "TUTORIALS", "MANUALS") */
.wy-menu-vertical p.caption {
    color: #1E3A8A !important;               /* blue-900 */
    font-weight: 700;
}

/* Expand/collapse icons (+/-) next to expandable menu items */
.wy-menu-vertical li.toctree-l1 > a .toctree-expand,
.wy-menu-vertical li.toctree-l2 > a .toctree-expand {
    color: #64748B !important;               /* slate-500 */
}

/* Optional: improve contrast of the little +/- control on hover */
.wy-menu-vertical a:hover .toctree-expand {
    color: #334155 !important;               /* slate-700 */
}

/* --------------------------------------------------------------------------
   OTHER FIXES
   -------------------------------------------------------------------------- */

/* Replace mobile header text with logo */
@media screen and (max-width: 768px) {
  /* Hide the text in mobile header */
  .wy-nav-top {
    background-color: #F1F5F9; /* Adjust to match your color scheme */
    text-indent: -9999px; /* Hides the text */
    position: relative;
    border-bottom: 1px solid #cccccc !important; /* Light gray border */
  }
  
  /* Add logo as background */
  .wy-nav-top::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: url('se-lib_banner.svg') no-repeat center;
    background-size: contain;
    height: 40px;
    width: 200px; /* Adjust based on your logo dimensions */
    text-indent: 0;
  }
  
  /* Keep hamburger icon visible */
  .wy-nav-top i {
    text-indent: 0;
    position: relative;
    z-index: 1;
    color: #333333 !important;
  }
}

/* Hide breadcrumbs and the separator rule that follows them */
.wy-breadcrumbs {
  display: none !important;
}

.wy-breadcrumbs + hr {
  display: none !important;
}

/* 1) Remove the extra top padding created by the content wrapper */
.wy-nav-content {
  padding-top: "2px" !important;
}

/* 2) Reduce padding around the inner content area */
.wy-nav-content .rst-content {
  padding-top: 0 !important;
}

/* Remove outer border from code blocks in mkdocs */
.highlight {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
}

/* Alternative: target the pre element directly */
div.highlight pre {
    border: none !important;
    margin: 0 !important;
}