/*
Theme Name: GeneratePress Child
Template: generatepress
Version: 1.2
*/

/* =========================================
   CSS CUSTOM PROPERTIES — LIGHT MODE
   All colours live here. Dark mode just
   overrides these same variables below.
   ========================================= */

:root {
    --color-bg:             #ffffff;
    --color-surface:        #f7f7f5;
    --color-border:         #e4e4e4;
    --color-border-subtle:  #ececec;

    --color-text:           #2a2a2a;
    --color-text-muted:     #777;
    --color-text-faint:     #aaa;
    --color-text-link:      #555;
    --color-text-link-hover:#111;
    --color-text-active:    #1a1a1a;
    --color-text-ancestor:  #333;

    --color-shloka-bg:      #fdf9f4;
    --color-shloka-text:    #4a3728;
    --color-shloka-border:  #c8a96e;

    --color-progress-from:  #c8a96e;
    --color-progress-to:    #8b6340;

    --color-toggle-bg:      #f7f7f5;
    --color-toggle-border:  #e4e4e4;
    --color-toggle-text:    #333;

    --color-dm-btn-bg:      #f0ede8;
    --color-dm-btn-text:    #666;

    --color-accent-pill:    rgba(200, 169, 110, 0.13);
    --color-accent:         #8b6340;
}

/* =========================================
   DARK MODE — explicit JS toggle
   ========================================= */

[data-theme="dark"] {
    --color-bg:             #16161a;
    --color-surface:        #1e1e26;
    --color-border:         #2e2e3a;
    --color-border-subtle:  #272730;

    --color-text:           #ddd8d0;
    --color-text-muted:     #958f87;
    --color-text-faint:     #524e4a;
    --color-text-link:      #a89e92;
    --color-text-link-hover:#ede7de;
    --color-text-active:    #f0ebe3;
    --color-text-ancestor:  #c8c0b5;

    --color-shloka-bg:      #1b1810;
    --color-shloka-text:    #c4ab88;
    --color-shloka-border:  #8b6340;

    --color-progress-from:  #7a5530;
    --color-progress-to:    #c8a96e;

    --color-toggle-bg:      #1e1e26;
    --color-toggle-border:  #2e2e3a;
    --color-toggle-text:    #c0bab2;

    --color-dm-btn-bg:      #252530;
    --color-dm-btn-text:    #a89e92;

    --color-accent-pill:    rgba(139, 99, 64, 0.22);
    --color-accent:         #c8a96e;
}

/* =========================================
   SYSTEM DARK MODE — for users who haven't
   clicked the toggle yet
   ========================================= */

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]):not([data-theme="dark"]) {
        --color-bg:             #16161a;
        --color-surface:        #1e1e26;
        --color-border:         #2e2e3a;
        --color-border-subtle:  #272730;
        --color-text:           #ddd8d0;
        --color-text-muted:     #958f87;
        --color-text-faint:     #524e4a;
        --color-text-link:      #a89e92;
        --color-text-link-hover:#ede7de;
        --color-text-active:    #f0ebe3;
        --color-text-ancestor:  #c8c0b5;
        --color-shloka-bg:      #1b1810;
        --color-shloka-text:    #c4ab88;
        --color-shloka-border:  #8b6340;
        --color-progress-from:  #7a5530;
        --color-progress-to:    #c8a96e;
        --color-toggle-bg:      #1e1e26;
        --color-toggle-border:  #2e2e3a;
        --color-toggle-text:    #c0bab2;
        --color-dm-btn-bg:      #252530;
        --color-dm-btn-text:    #a89e92;
        --color-accent-pill:    rgba(139, 99, 64, 0.22);
        --color-accent:         #c8a96e;
    }
}

/* Global application */
html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* =========================================
   DARK MODE TOGGLE BUTTON
   Fixed bottom-right corner
   ========================================= */

.gita-darkmode-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--color-dm-btn-bg);
    color: var(--color-dm-btn-text);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(0,0,0,0.09);
    transition: background 0.2s, color 0.2s, box-shadow 0.2s, border-color 0.2s;
    user-select: none;
}

.gita-darkmode-btn:hover {
    box-shadow: 0 4px 18px rgba(0,0,0,0.14);
    color: var(--color-text);
}

.gita-darkmode-btn .dm-icon {
    font-size: 15px;
    line-height: 1;
}

/* =========================================
   GITA — TWO COLUMN LAYOUT
   ========================================= */

.gita-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 0;
    max-width: 1120px;
    margin: 40px auto;
    padding: 0 24px;
    align-items: start;
    box-sizing: border-box;
}

/* =========================================
   SIDEBAR
   ========================================= */

.gita-sidebar {
    position: sticky;
    top: 90px;
    height: calc(100vh - 110px);
    overflow-y: auto;
    padding-right: 24px;

    /* Separator line */
    border-right: 1px solid var(--color-border);

    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.gita-sidebar::-webkit-scrollbar {
    width: 4px;
}
.gita-sidebar::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

/* =========================================
   CONTENT
   ========================================= */

.gita-content {
    padding-left: 40px;
    min-width: 0; /* critical: prevents grid blowout */
}

/* =========================================
   TITLE
   ========================================= */

.gita-title {
    margin-top: 0;
    line-height: 1.25;
    font-size: 1.75rem;
    color: var(--color-text);
}

/* =========================================
   SIDEBAR TREE
   ========================================= */

.gita-sidebar ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.gita-sidebar li {
    margin: 1px 0;
}

/* Nested levels */
.gita-sidebar ul ul {
    padding-left: 14px;
    border-left: 1px solid var(--color-border-subtle);
    margin-left: 4px;
    margin-top: 2px;
}

/* Links */
.gita-sidebar a {
    display: block;
    padding: 4px 8px;
    text-decoration: none;
    color: var(--color-text-link);
    font-size: 14px;
    line-height: 1.45;
    border-radius: 4px;
    transition: color 0.15s ease, background 0.15s ease;
}

.gita-sidebar a:hover {
    color: var(--color-text-link-hover);
    background: var(--color-accent-pill);
}

/* Active (current page) */
.gita-sidebar li.active > a {
    font-weight: 700;
    color: var(--color-text-active);
    background: var(--color-accent-pill);
}

/* Parent of active item */
.gita-sidebar li.ancestor > a {
    font-weight: 600;
    color: var(--color-text-ancestor);
}

/* =========================================
   COLLAPSE
   ========================================= */

.gita-sidebar li.has-children > ul {
    display: none;
}

.gita-sidebar li.open > ul {
    display: block;
}

/* Arrow indicator */
.gita-sidebar li.has-children > a::after {
    content: ' ›';
    font-size: 11px;
    color: var(--color-text-faint);
    display: inline-block;
    transition: transform 0.2s ease;
}

.gita-sidebar li.has-children.open > a::after {
    transform: rotate(90deg);
}

/* =========================================
   ON THIS PAGE — In-page heading tracker
   Rendered by JS only when h2/h3 exist
   ========================================= */

.gita-on-this-page {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border-subtle);
}

.gita-on-this-page-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--color-text-faint);
    margin-bottom: 6px;
    padding: 0 8px;
    display: block;
}

.gita-on-this-page ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.gita-on-this-page li {
    margin: 1px 0;
}

.gita-on-this-page a {
    display: block;
    padding: 3px 8px;
    font-size: 13px;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: 4px;
    border-left: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    line-height: 1.4;
}

.gita-on-this-page a:hover {
    color: var(--color-text-link-hover);
    background: var(--color-accent-pill);
}

/* Active heading — highlighted as you scroll */
.gita-on-this-page a.is-active {
    color: var(--color-accent);
    border-left-color: var(--color-accent);
    background: var(--color-accent-pill);
    font-weight: 600;
}

/* h3 items indented */
.gita-on-this-page li.is-h3 > a {
    padding-left: 20px;
    font-size: 12px;
}

/* =========================================
   MOBILE SIDEBAR TOGGLE BUTTON
   ========================================= */

.gita-sidebar-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 14px;
    background: var(--color-toggle-bg);
    border: 1px solid var(--color-toggle-border);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-toggle-text);
    cursor: pointer;
    text-align: left;
    transition: background 0.2s;
}

.gita-sidebar-toggle .toggle-icon { font-size: 16px; line-height: 1; }
.gita-sidebar-toggle .toggle-arrow {
    margin-left: auto;
    font-size: 12px;
    color: var(--color-text-muted);
    transition: transform 0.25s ease;
}
.gita-sidebar-toggle.open .toggle-arrow {
    transform: rotate(180deg);
}

/* =========================================
   BREADCRUMB
   ========================================= */

.gita-breadcrumb {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 18px;
    line-height: 1.5;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.gita-breadcrumb a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.15s;
}

.gita-breadcrumb a:hover {
    color: var(--color-text);
    text-decoration: underline;
}

.gita-breadcrumb .sep {
    margin: 0 6px;
    color: var(--color-text-faint);
}

.gita-breadcrumb .current {
    color: var(--color-text);
    font-weight: 500;
}

/* =========================================
   NEXT / PREVIOUS NAVIGATION
   ========================================= */

.gita-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-subtle);
}

.gita-prev,
.gita-next {
    text-decoration: none;
    color: var(--color-text-link);
    font-size: 14px;
    line-height: 1.45;
    word-break: break-word;
    transition: color 0.15s;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.gita-prev:hover,
.gita-next:hover { color: var(--color-text-link-hover); }

.gita-prev::before,
.gita-next::after {
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-faint);
    font-weight: 600;
}

.gita-prev::before { content: '← Previous'; }
.gita-next::after  { content: 'Next →'; text-align: right; }

.gita-prev { justify-self: start; text-align: left; }
.gita-next { justify-self: end;   text-align: right; }

/* =========================================
   GITA BODY — CONTENT TYPOGRAPHY
   ========================================= */

.gita-body {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
}

.gita-body p { margin-bottom: 1.2em; }

.gita-body h2,
.gita-body h3,
.gita-body h4 {
    color: var(--color-text);
    line-height: 1.3;
    margin-top: 1.8em;
    margin-bottom: 0.6em;
    scroll-margin-top: 100px; /* offset for sticky header */
    transition: color 0.25s ease;
}

/* Sanskrit / shloka */
.gita-body .shloka,
.gita-body blockquote {
    font-family: "Noto Serif Devanagari", "Noto Serif", Georgia, serif;
    font-size: 1.05rem;
    line-height: 1.9;
    letter-spacing: 0.015em;
    color: var(--color-shloka-text);
    border-left: 3px solid var(--color-shloka-border);
    padding: 12px 20px;
    margin: 24px 0;
    background: var(--color-shloka-bg);
    border-radius: 0 6px 6px 0;
    transition: background 0.3s, color 0.3s, border-color 0.3s;
}

/* =========================================
   CHILDREN LIST (Container pages)
   ========================================= */

.gita-children {
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.gita-children li {
    border-bottom: 1px solid var(--color-border-subtle);
}

.gita-children li:last-child { border-bottom: none; }

.gita-children a {
    display: block;
    padding: 10px 4px;
    color: var(--color-text-link);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.15s, padding-left 0.15s;
}

.gita-children a:hover {
    color: var(--color-text-link-hover);
    padding-left: 8px;
}

/* =========================================
   READING PROGRESS BAR
   ========================================= */

.gita-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(to right, var(--color-progress-from), var(--color-progress-to));
    z-index: 9999;
    transition: width 0.08s linear;
    pointer-events: none;
}

/* =========================================
   RESPONSIVE — TABLET  (≤ 900px)
   ========================================= */

@media (max-width: 900px) {
    .gita-layout {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 0 18px;
        margin: 24px auto;
    }

    .gita-sidebar {
        position: relative;
        top: auto;
        height: auto;
        overflow-y: visible;
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: 16px;
        margin-bottom: 24px;
    }

    .gita-sidebar-toggle { display: flex; }

    .gita-sidebar-tree {
        display: none;
        margin-top: 12px;
    }

    .gita-sidebar-tree.open { display: block; }

    .gita-content { padding-left: 0; }

    .gita-title { font-size: 1.5rem; }

    .gita-darkmode-btn {
        bottom: 16px;
        right: 16px;
        padding: 7px 12px;
        font-size: 12px;
    }
}

/* =========================================
   RESPONSIVE — MOBILE  (≤ 600px)
   ========================================= */

@media (max-width: 600px) {
    .gita-layout {
        padding: 0 14px;
        margin: 16px auto;
    }

    .gita-title { font-size: 1.3rem; }

    .gita-nav {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .gita-next { justify-self: start; text-align: left; }
    .gita-next::after { text-align: left; }

    .gita-breadcrumb { font-size: 12px; }
    .gita-body { font-size: 0.97rem; }
}