/* Import NVIDIA Sphinx Theme - must be first */
@import url('nvidia-sphinx-theme.css');

/* ============================================
   LEFT SIDEBAR - Table of Contents
   Match TileIR exactly
   ============================================ */
.bd-sidebar-primary {
    display: flex !important;
    flex-direction: column;
    flex-basis: 20%;
    min-width: 280px;
    max-width: 320px;
}

.bd-sidebar-primary.hide-on-wide {
    display: flex !important;
}

@media (min-width: 960px) {
    .bd-sidebar-primary {
        display: flex !important;
        position: sticky;
        top: var(--pst-header-height);
        max-height: calc(100vh - var(--pst-header-height));
        overflow-y: auto;
    }
    
    .bd-page-width {
        display: flex;
    }
}

/* ============================================
   Table of Contents Styling - MATCH TILEIR
   ============================================ */
.sidebar-tree {
    padding: 1rem 1rem 1rem 1.25rem;
    font-family: var(--pst-font-family-base);
}

/* "Table of Contents" HEADER - bigger and bolder like TileIR */
.sidebar-tree-title {
    font-weight: 700;
    font-size: 1.25rem;
    padding: 0 0 1.5rem 0;
    margin: 0;
    color: var(--pst-color-heading);
}

/* Section captions (Tutorials, User Guide, Appendix) - BIGGER */
.sidebar-tree .caption {
    font-weight: 600;
    font-size: 1.05rem;
    margin-top: 1.75rem;
    margin-bottom: 0.6rem;
    padding-left: 0;
    color: var(--pst-color-text-muted);
    text-transform: none;
}

/* Hide default bullets */
.sidebar-tree ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

/* TOC items - GREY by default, BOLDER font weight */
.sidebar-tree .toctree-l1 {
    margin: 0.3rem 0;
    padding-left: 0;
    position: relative;
}

.sidebar-tree .toctree-l1 > a {
    color: var(--pst-color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: block;
    padding: 0.2rem 0 0.2rem 0.75rem;
    border-left: 3px solid transparent;
    margin-left: 0;
    line-height: 1.5;
}

.sidebar-tree .toctree-l1 > a:hover {
    color: var(--nv-color-green);
}

/* ACTIVE/SELECTED item - GREEN text + green bar on left */
.sidebar-tree .toctree-l1.current > a {
    color: var(--nv-color-green) !important;
    font-weight: 500;
    border-left: 3px solid var(--nv-color-green);
}

/* Nested items (l2, l3) */
.sidebar-tree .toctree-l2,
.sidebar-tree .toctree-l3 {
    margin: 0.2rem 0;
    padding-left: 0.75rem;
}

.sidebar-tree .toctree-l2 > a,
.sidebar-tree .toctree-l3 > a {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.15rem 0 0.15rem 0.75rem;
    border-left: 3px solid transparent;
    color: var(--pst-color-text-muted);
}

.sidebar-tree .toctree-l2.current > a,
.sidebar-tree .toctree-l3.current > a {
    color: var(--nv-color-green) !important;
    border-left: 3px solid var(--nv-color-green);
}

/* ============================================
   MAIN CONTENT - Heavier/Bolder text like TileIR
   ============================================ */
body {
    font-family: var(--pst-font-family-base) !important;
    font-weight: 400;
}

/* Body text in article */
.bd-article {
    font-weight: 400;
}

.bd-article p,
.bd-article li,
.bd-article td,
.bd-article dd {
    font-weight: 400;
    color: var(--pst-color-text-base);
}

/* ============================================
   HEADERS - Heavier and tighter letter-spacing
   ============================================ */
h1, h2, h3, h4, h5, h6,
.bd-article h1,
.bd-article h2,
.bd-article h3,
.bd-article h4,
.bd-article h5,
.bd-article h6 {
    font-family: var(--pst-font-family-heading) !important;
    font-weight: 700;
    letter-spacing: -0.01em;  /* Tighter spacing like TileIR */
    color: var(--pst-color-heading);
}

/* Specific header sizes to match TileIR */
.bd-article h1 {
    font-size: 2.25rem;
    letter-spacing: -0.02em;
}

.bd-article h2 {
    font-size: 1.75rem;
    letter-spacing: -0.015em;
    margin-top: 2rem;
}

.bd-article h3 {
    font-size: 1.5rem;
    letter-spacing: -0.01em;
}

.bd-article h4 {
    font-size: 1.25rem;
}

/* ============================================
   CODE - Heavier weight
   ============================================ */
code, pre, .highlight,
.bd-article code,
.bd-article pre {
    font-family: var(--pst-font-family-monospace) !important;
    font-weight: 400;
}

/* Code blocks */
div.highlight pre {
    font-weight: 400;
}

/* Inline code */
.bd-article code {
    font-weight: 400;
}

/* ============================================
   Better font rendering - brighter/heavier appearance
   ============================================ */
html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Make sidebar text render with proper weight */
.bd-sidebar-primary {
    -webkit-font-smoothing: subpixel-antialiased;
}

/* ============================================
   Code Blocks styling
   ============================================ */
div.highlight {
    border-radius: 8px;
    margin: 1em 0;
}

div.highlight pre {
    padding: 1em;
    overflow-x: auto;
    font-size: 0.9rem;
}

/* ============================================
   Admonitions / Callouts
   ============================================ */
.admonition.tip {
    border-left-color: var(--nv-color-green) !important;
}

.admonition.tip > .admonition-title {
    background-color: rgba(118, 185, 0, 0.1) !important;
}

/* ============================================
   Page Width
   ============================================ */
.bd-main .bd-content .bd-article-container {
    max-width: 900px;
}

/* ============================================
   Heading Anchors
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    scroll-margin-top: 80px;
}

/* ============================================
   Prev/Next Navigation - Subtle like TileIR
   ============================================ */
.prev-next-area {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--pst-color-on-surface);
}

.prev-next-area a {
    color: var(--pst-color-text-muted);
    text-decoration: none;
}

.prev-next-area a:hover {
    color: var(--nv-color-green);
}

/* ============================================
   HIDE big green buttons
   ============================================ */
.sd-btn-success {
    display: none !important;
}

/* ============================================
   Search Button - Circular background like TileIR
   ============================================ */
.search-button__button,
button.search-button__button {
    background-color: var(--pst-color-surface) !important;
    border-radius: 50% !important;
    width: 2.5rem !important;
    height: 2.5rem !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: none !important;
}

.search-button__button:hover {
    background-color: var(--pst-color-on-surface) !important;
}

/* Theme switcher button - also circular */
.theme-switch-button {
    background-color: var(--pst-color-surface) !important;
    border-radius: 50% !important;
    width: 2.5rem !important;
    height: 2.5rem !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: none !important;
}

.theme-switch-button:hover {
    background-color: var(--pst-color-on-surface) !important;
}

/* ============================================
   Header GitHub Links
   ============================================ */
.github-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    white-space: nowrap;
}

.github-links .nav-link {
    padding: 0.25rem 0.5rem;
    color: var(--pst-color-text-muted);
    text-decoration: none;
}

.github-links .nav-link:hover {
    color: var(--nv-color-green);
}

.github-links .nav-external::after {
    content: none !important;
    display: none !important;
}

/* ============================================
   Footer - Match TileIR style exactly
   ============================================ */
.bd-footer {
    border-top: none !important;
    padding: 0 !important;
    margin-top: 2rem;
    background: transparent !important;
}

.bd-footer-content {
    display: block;
}

/* Footer links styling */
.bd-footer a,
.footer-container a {
    color: var(--pst-color-text-muted);
    text-decoration: none;
}

.bd-footer a:hover,
.footer-container a:hover {
    color: var(--pst-color-text-base);
    text-decoration: underline;
}

/* Remove default footer padding */
.bd-footer .container {
    padding: 0 !important;
}

/* ============================================
   Vector Math Highlight - Tutorial Diagrams
   ============================================ */
.highlight-vectors pre {
    background: linear-gradient(135deg, #161b22 0%, #0d1117 100%) !important;
    border: 1px solid #30363d !important;
    border-left: 3px solid var(--nv-color-green) !important;
    border-radius: 8px !important;
    padding: 1.25rem 1.5rem !important;
    font-family: var(--pst-font-family-monospace) !important;
    font-size: 0.95rem !important;
    line-height: 1.7 !important;
    letter-spacing: 0.02em;
}