/*
 * GRANTHA — Vedic Reader Stylesheet v1.2
 * Variables scoped to .grantha-wrap so they cannot be overridden by the theme.
 */

/* ── Design tokens (scoped to prevent theme override) ───────────────────────── */
.grantha-wrap {
    --vp-bg:        #fdf9f3;
    --vp-ink:       #1a1008;
    --vp-ink-muted: #5a4a3a;
    --vp-accent:    #7c4b1e;
    --vp-border:    rgba(0, 0, 0, 0.12);
}

/* ── Hide Kadence footer and header on reader pages ─────────────────────────── */
body.vedic-reader-page .site-footer,
body.vedic-reader-page .footer-html,
body.vedic-reader-page .wp-block-kadence-header { display: none !important; }

/* ── Outer wrapper ──────────────────────────────────────────────────────────── */
.grantha-wrap {
    width:      95%;
    max-width:  none;
    margin:     0 auto;
    padding:    20px 0 60px;
    background: transparent;
    min-height: 100vh;
}

/* ── Book header ────────────────────────────────────────────────────────────── */
.grantha-header {
    margin-bottom: 24px;
}

.grantha-book-title {
    font-family: var(--vp-font-serif, Georgia, 'Times New Roman', serif);
    font-size:   clamp(24px, 3vw, 36px);
    font-weight: 700;
    color:       var(--vp-ink);
    margin:      0 0 4px;
    line-height: 1.25;
}

/* ── Navigation bars ────────────────────────────────────────────────────────── */
.grantha-nav {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    gap:             12px;
    padding:         16px 0;
    border-top:      none; /* breadcrumbs above provides the separator */
    border-bottom:   1px solid var(--vp-border);
    margin:          0 0 20px;
}

.grantha-btn {
    display:         inline-flex;
    align-items:     center;
    gap:             6px;
    padding:         10px 20px;
    border-radius:   999px;
    font-size:       15px;
    font-family:     var(--vp-font-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    text-decoration: none;
    transition:      background 0.2s, color 0.2s, border-color 0.2s;
    border:          1px solid var(--vp-border);
    color:           var(--vp-ink);
    background:      #fff;
    cursor:          pointer;
    white-space:     nowrap;
}
.grantha-btn:hover,
.grantha-btn:focus-visible {
    background:      var(--vp-accent);
    color:           #fff;
    border-color:    var(--vp-accent);
    outline:         none;
    text-decoration: none;
}

/* Next: solid black */
.grantha-next {
    background:   #000 !important;
    color:        #fff !important;
    border-color: #000 !important;
}
.grantha-next:hover,
.grantha-next:focus-visible {
    background:   #333 !important;
    border-color: #333 !important;
    color:        #fff !important;
}

/* Close / Prev: outline style */
.grantha-close,
.grantha-prev {
    background:   transparent !important;
    color:        #000 !important;
    border-color: #000 !important;
    font-weight:  600;
}
.grantha-close:hover,
.grantha-close:focus-visible,
.grantha-prev:hover,
.grantha-prev:focus-visible {
    background:   #000 !important;
    color:        #fff !important;
    border-color: #000 !important;
}

.grantha-btn--ghost {
    visibility:     hidden;
    pointer-events: none;
}

/* ── Main layout: float-based so collapsed TOC yields space to content ───────── */
/* TOC <aside> comes first in DOM; float:right makes content wrap around it.    */
.grantha-layout {
    overflow: hidden; /* clearfix */
}
.grantha-layout::after {
    content: '';
    display: block;
    clear:   both;
}

/* ── Reading content ────────────────────────────────────────────────────────── */
.grantha-content {
    font-family: var(--vp-font-serif, Georgia, 'Times New Roman', serif);
    font-size:   20px;
    line-height: 1.85;
    color:       var(--vp-ink);
}

.grantha-content p {
    margin-bottom: 1.2em;
    text-align:    justify;
    hyphens:       auto;
}

.grantha-content h1,
.grantha-content h2,
.grantha-content h3,
.grantha-content h4,
.grantha-content h5,
.grantha-content h6 {
    font-family: var(--vp-font-serif, Georgia, 'Times New Roman', serif);
    color:       var(--vp-ink);
    line-height: 1.3;
    font-weight: 700;
}

.grantha-content h1 {
    font-size:     26px;
    margin-top:    0;
    margin-bottom: 0.8em;
}

.grantha-content h2 {
    font-size:      22px;
    margin-top:     2em;
    margin-bottom:  0.6em;
    border-bottom:  1px solid var(--vp-border);
    padding-bottom: 0.3em;
}

.grantha-content h3 {
    font-size:     19px;
    margin-top:    1.5em;
    margin-bottom: 0.5em;
}

.grantha-content h4 {
    font-size:     17px;
    margin-top:    1.25em;
    margin-bottom: 0.4em;
}

.grantha-content blockquote {
    border-left:  3px solid var(--vp-accent);
    padding-left: 16px;
    color:        var(--vp-ink-muted);
    margin:       1.5em 0;
    font-style:   italic;
}

.grantha-content ul,
.grantha-content ol {
    padding-left:  1.5em;
    margin-bottom: 1em;
}

.grantha-content li {
    margin-bottom: 0.4em;
}

.grantha-content a {
    color:           var(--vp-accent);
    text-decoration: underline;
}
.grantha-content a:hover {
    text-decoration: none;
}

.grantha-content img {
    max-width: 100%;
    height:    auto;
    display:   block;
    margin:    1em auto;
}

.grantha-content table {
    width:           100%;
    border-collapse: collapse;
    margin:          1.5em 0;
    font-size:       0.9em;
}
.grantha-content th,
.grantha-content td {
    border:     1px solid var(--vp-border);
    padding:    8px 12px;
    text-align: left;
}
.grantha-content th {
    background:  var(--vp-bg);
    font-weight: 700;
}

.grantha-content hr {
    border:     none;
    border-top: 1px solid var(--vp-border);
    margin:     2em 0;
}

/* ── TOC Sidebar: floated right on desktop ───────────────────────────────────── */
/* Float puts the TOC at top-right; content flows to the left.                  */
/* When TOC body is collapsed, only the small toggle shows and text reclaims     */
/* the full width below it — matching general-page TOC behavior.                 */
.grantha-toc-sidebar {
    float:   right;
    width:   290px;
    margin:  0 0 20px 30px;
    clear:   right;
}

/* Matches general-page TOC visual style */
.grantha-toc {
    border:        1px solid var(--vp-border);
    border-radius: var(--vp-radius, 6px);
    overflow:      hidden;
    background:    #F8F9FA;
    box-shadow:    0 1px 3px rgba(0, 0, 0, 0.07);
}

/* Toggle header — no pill: zero border-radius + explicit neutral colors */
.grantha-toc-toggle {
    width:           100%;
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    padding:         8px 14px;
    font-family:     var(--vp-font-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    font-size:       15px;
    font-weight:     700;
    color:           #1a1008 !important;
    background:      #F3F4F6 !important;
    border:          none !important;
    border-bottom:   1px solid rgba(0, 0, 0, 0.12) !important;
    border-radius:   0 !important; /* prevent theme from adding pill shape */
    cursor:          pointer;
    text-align:      left;
}
.grantha-toc-toggle:hover {
    background: #E8EAED !important;
}
.grantha-toc-toggle:focus-visible {
    outline:        2px solid #999;
    outline-offset: -2px;
}

.grantha-chevron {
    transition:  transform 0.2s ease;
    display:     inline-block;
    line-height: 1;
    color:       #777 !important;
}
.grantha-toc-toggle[aria-expanded="false"] .grantha-chevron {
    transform: rotate(-90deg);
}

.grantha-toc-body {
    padding:         8px 0;
    max-height:      70vh;
    overflow-y:      auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.12) transparent;
}
.grantha-toc-body.is-collapsed {
    display: none;
}

/* Book-level TOC HTML — reset common markup patterns */
.grantha-toc-body ul,
.grantha-toc-body ol,
.grantha-toc-body .readingMenu {
    list-style: none;
    margin:     0;
    padding:    0;
}
.grantha-toc-body li,
.grantha-toc-body .readingMenu li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.grantha-toc-body li:last-child,
.grantha-toc-body .readingMenu li:last-child {
    border-bottom: none;
}

.grantha-toc-body a {
    display:         block;
    padding:         7px 16px;
    font-size:       14px;
    font-family:     var(--vp-font-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    color:           #1a1008; /* primary text — black */
    text-decoration: none;
    line-height:     1.4;
    transition:      color 0.15s, background 0.15s;
}
.grantha-toc-body a:hover,
.grantha-toc-body a:focus-visible {
    color:      #1a1008;
    background: #E8EAED;
    outline:    none;
}

/* Indented H3 items */
.toc-h3 a {
    padding-left: 28px;
    font-size:    13px;
}

/* In-page headings TOC list */
.grantha-headings-toc {
    list-style: none;
    margin:     0;
    padding:    0;
}

/* ── Breadcrumbs ────────────────────────────────────────────────────────────── */
.grantha-breadcrumbs {
    font-family:    var(--vp-font-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    font-size:      16px;
    color:          #000;
    display:        flex;
    flex-wrap:      wrap;
    gap:            8px;
    align-items:    center;
    padding-top:    0;
    padding-bottom: 4px;
    margin-top:     0;
    border-top:     none;
}

.grantha-breadcrumbs a {
    color:           #000;
    text-decoration: none;
    display:         inline-flex;
    align-items:     center;
    gap:             4px;
}
.grantha-breadcrumbs a:hover {
    color:           rgb(30, 110, 244);
    text-decoration: underline;
}

.grantha-breadcrumbs .sep {
    color:       #000;
    user-select: none;
}

.grantha-breadcrumbs .grantha-breadcrumb-current {
    color:       #000;
    font-weight: 600;
}

/* Top breadcrumbs: thin line AFTER (not before), sits inside <header> */
.grantha-breadcrumbs--top {
    margin-top:     10px;
    padding-top:    10px;
    border-top:     1px solid var(--vp-border); /* line between H2 and breadcrumbs */
    padding-bottom: 14px;
    border-bottom:  1px solid var(--vp-border); /* line after breadcrumbs */
    margin-bottom:  0;
}

/* Bottom breadcrumbs: HR line before breadcrumbs, no line after (nav follows) */
.grantha-breadcrumbs--bottom {
    margin-top:     24px;
    padding-top:    16px;
    border-top:     1px solid var(--vp-border);
    padding-bottom: 12px;
    border-bottom:  none;
    margin-bottom:  0;
}

/* Book-format breadcrumb font hints */
.grantha-bc-tel { font-family: 'Mallanna', sans-serif; }
.grantha-bc-hin { font-family: 'Martel', serif; }

/* ── Language: Telugu (Mallanna) ────────────────────────────────────────────── */
.grantha-lang-tel .grantha-book-title {
    font-family: 'Mallanna', sans-serif;
}
.grantha-lang-tel .grantha-content {
    font-family: 'Mallanna', sans-serif;
    font-size:   125%;
}
.grantha-lang-tel .grantha-content h1,
.grantha-lang-tel .grantha-content h2,
.grantha-lang-tel .grantha-content h3,
.grantha-lang-tel .grantha-content h4,
.grantha-lang-tel .grantha-content h5,
.grantha-lang-tel .grantha-content h6 {
    font-family: 'Mallanna', sans-serif;
}
.grantha-lang-tel .grantha-toc-body {
    font-family: 'Mallanna', sans-serif;
    font-size:   115%;
}
.grantha-lang-tel .grantha-toc-body a {
    font-family: inherit;
    font-size:   inherit;
}
.grantha-lang-tel .grantha-breadcrumbs {
    font-family: 'Mallanna', sans-serif;
    font-size:   17px;
}

/* ── Language: Hindi (Martel) ───────────────────────────────────────────────── */
.grantha-lang-hin .grantha-book-title {
    font-family: 'Martel', serif;
}
.grantha-lang-hin .grantha-content {
    font-family: 'Martel', serif;
    font-size:   125%;
}
.grantha-lang-hin .grantha-content h1,
.grantha-lang-hin .grantha-content h2,
.grantha-lang-hin .grantha-content h3,
.grantha-lang-hin .grantha-content h4,
.grantha-lang-hin .grantha-content h5,
.grantha-lang-hin .grantha-content h6 {
    font-family: 'Martel', serif;
}
.grantha-lang-hin .grantha-toc-body {
    font-family: 'Martel', serif;
    font-size:   115%;
}
.grantha-lang-hin .grantha-toc-body a {
    font-family: inherit;
    font-size:   inherit;
}
.grantha-lang-hin .grantha-breadcrumbs {
    font-family: 'Martel', serif;
    font-size:   17px;
}

/* ── Error state ────────────────────────────────────────────────────────────── */
.grantha-error {
    padding:     60px 40px;
    text-align:  center;
    font-family: var(--vp-font-serif, Georgia, 'Times New Roman', serif);
    font-size:   20px;
    color:       var(--vp-ink-muted);
    max-width:   600px;
    margin:      0 auto;
}
.grantha-error p {
    margin-bottom: 1.2em;
}
.grantha-error small {
    font-size:   14px;
    font-family: monospace;
    color:       var(--vp-ink-muted);
    opacity:     0.7;
}

/* ── Screen-reader helpers ───────────────────────────────────────────────────── */
.screen-reader-text {
    position:    absolute;
    width:       1px;
    height:      1px;
    overflow:    hidden;
    clip:        rect(0, 0, 0, 0);
    clip-path:   inset(50%);
    white-space: nowrap;
}

/* ── Mobile / tablet: TOC drops below content ───────────────────────────────── */
@media (max-width: 1023px) {

    .grantha-wrap {
        padding: 16px 0 40px;
    }

    /* Remove float; sidebar falls to bottom of layout (DOM order: sidebar, main) */
    /* We visually reorder with flex so content appears first, TOC after.         */
    .grantha-layout {
        display:        flex;
        flex-direction: column;
    }

    .grantha-content {
        order:     1;
        font-size: 18px;
        line-height: 1.75;
    }

    .grantha-toc-sidebar {
        order:   2;
        float:   none;
        width:   100%;
        margin:  0;
        clear:   both;
    }

    .grantha-nav {
        flex-wrap:       wrap;
        justify-content: center;
    }

    .grantha-btn--ghost {
        display: none;
    }

    .grantha-book-title {
        font-size: clamp(20px, 6vw, 28px);
    }
}

/* ── Ebook cards: section groupings on regular book pages ───────────────────── */
.grantha-ebook-sections {
    margin-top: 48px;
}

.grantha-ebook-section {
    margin-bottom: 40px;
}

.grantha-ebook-section-title {
    font-size:     22px;
    font-weight:   700;
    color:         inherit;
    margin:        0 0 20px;
    padding:       0;
    border-bottom: 2px solid rgba(0, 0, 0, 0.08);
    padding-bottom: 10px;
    line-height:   1.3;
}

/* Responsive grid: fills width, min card width 260px */
.grantha-ebook-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap:                   20px;
}

/* Bootstrap-style card */
.grantha-ebook-card {
    display:        flex;
    flex-direction: column;
    background:     #fff;
    border:         1px solid rgba(0, 0, 0, 0.125);
    border-radius:  8px;
    box-shadow:     0 2px 6px rgba(0, 0, 0, 0.08);
    overflow:       hidden;
}

.grantha-ebook-card-body {
    flex:    1;
    padding: 20px 20px 16px;
}

/* H3 card title — override theme heading styles */
.grantha-ebook-card-title {
    font-size:   18px !important;
    font-weight: 600 !important;
    color:       #1a1008 !important;
    margin:      0 0 8px !important;
    line-height: 1.35 !important;
    border:      none !important;
    padding:     0 !important;
}

/* Subtitle — plain text, not a heading */
.grantha-ebook-card-subtitle {
    font-size:   14px;
    color:       #666;
    margin:      0;
    line-height: 1.5;
}

/* Footer: Read button pinned right */
.grantha-ebook-card-footer {
    padding:         12px 20px;
    border-top:      1px solid rgba(0, 0, 0, 0.08);
    display:         flex;
    justify-content: flex-end;
}

/* Language-specific H3 font for ebook cards */
.grantha-ebook-card--tel .grantha-ebook-card-title { font-family: 'Mallanna', sans-serif !important; }
.grantha-ebook-card--hin .grantha-ebook-card-title { font-family: 'Martel', serif !important; }

.grantha-ebook-read-btn {
    display:         inline-flex;
    align-items:     center;
    padding:         7px 20px;
    background:      #1a1008;
    color:           #fff !important;
    border-radius:   999px;
    font-size:       14px;
    font-weight:     600;
    font-family:     'adobe-clean', 'Adobe Clean', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    text-decoration: none !important;
    white-space:     nowrap;
    border:          none !important;
    cursor:          pointer;
}

@media (max-width: 480px) {
    .grantha-ebook-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Print ──────────────────────────────────────────────────────────────────── */
@media print {
    .grantha-nav,
    .grantha-toc-sidebar,
    .grantha-breadcrumbs { display: none !important; }

    .grantha-content {
        font-size:   12pt;
        line-height: 1.6;
        color:       #000;
    }

    .grantha-wrap {
        width:   100%;
        padding: 0;
    }
}