/* public/css/learn.css */

/* Import Inter font (for body) and Hind (for Hindi support) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Hind:wght@300;400;500;600;700&display=swap');

:root {
    /* STRICT LIGHT THEME PALETTE */
    --doc-bg: #ffffff;
    --doc-text: #334155;       /* slate-700 - softer than pure black */
    --doc-heading: #1e293b;    /* slate-800 */
    --doc-primary: #4f46e5;    /* indigo-600 */
    --doc-primary-light: #eef2ff; /* indigo-50 */
    --doc-border: #e2e8f0;     /* slate-200 */
    --doc-sidebar-bg: #f8fafc; /* slate-50 - slight contrast for sidebar */
    --doc-sidebar-text: #64748b; /* slate-500 */
    --doc-sidebar-hover: #f1f5f9; /* slate-100 */

    --doc-font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --doc-font-heading: 'Inter', var(--doc-font-body); /* Using Inter for headings too for clean look */
    --doc-font-hindi: 'Hind', var(--doc-font-body);
}

/* Force Light Theme on Body */
body.learn-page {
    background-color: var(--doc-bg) !important;
    background-image: none !important;
    color: var(--doc-text) !important;
    font-family: var(--doc-font-body) !important;
    line-height: 1.6;
}

/* Layout Container */
.container-fluid {
    background-color: var(--doc-bg) !important;
}

/* Sidebar Styling */
.sidebar-sticky {
    position: sticky;
    top: 0; /* Align to top */
    height: 100vh;
    overflow-y: auto;
    padding: 2rem 1rem 2rem 0; /* Add top padding */
    background-color: var(--doc-sidebar-bg);
    border-right: 1px solid var(--doc-border);
}

/* Navigation Links */
.nav-pills .nav-link {
    font-family: var(--doc-font-body);
    color: var(--doc-sidebar-text) !important;
    border-radius: 6px;
    margin-bottom: 2px;
    padding: 0.4rem 0.75rem; /* Smaller padding */
    font-size: 0.875rem; /* 14px - Smaller font */
    font-weight: 500;
    transition: all 0.15s ease-in-out;
}

.nav-pills .nav-link:hover {
    background-color: var(--doc-sidebar-hover) !important;
    color: var(--doc-heading) !important;
}

.nav-pills .nav-link.active {
    background-color: #fff !important; /* White bg for active */
    color: var(--doc-primary) !important;
    font-weight: 600;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    border: 1px solid var(--doc-border);
}

/* Sub-items (indented) styling */
.nav-pills .nav-link.border-start {
    border-left: 1px solid var(--doc-border) !important;
    border: none; /* Reset border */
    border-radius: 0;
    padding-left: 1.5rem !important;
    font-size: 0.85rem;
}
.nav-pills .nav-link.border-start.active {
    border-left: 2px solid var(--doc-primary) !important;
    background-color: transparent !important;
    box-shadow: none;
    color: var(--doc-primary) !important;
}

/* Section Headers in Sidebar */
.sidebar-sticky h5 {
    font-family: var(--doc-font-heading);
    font-size: 0.75rem; /* 12px - Small caps */
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #94a3b8 !important; /* slate-400 */
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    padding-left: 0.75rem;
}

/* Content Area & Header Alignment */
.docs-content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem; /* More top/bottom padding */
    background-color: var(--doc-bg) !important;
}

/* Keep the sticky documentation header aligned with the reading column on desktop */
.docs-header-wrapper {
    margin: 0; /* Default for mobile/tablet where it spans full width */
}
@media (min-width: 768px) {
    /* Once we have a sidebar, the header should only span the main content area and align with max-width: 800px */
    .docs-header-wrapper {
        max-width: 800px;
        margin: 0 auto;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

/* Markdown Content Typography */
.markdown-content {
    font-family: var(--doc-font-body);
    color: var(--doc-text) !important;
    font-size: 1rem; /* 16px standard */
    line-height: 1.75;
}

/* Hindi Specific Overrides */
body.learn-page.lang-hi .markdown-content {
    font-family: var(--doc-font-hindi);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Headings - Reduced sizes */
.markdown-content h1 {
    font-family: var(--doc-font-heading);
    font-weight: 700;
    font-size: 2rem; /* 32px */
    letter-spacing: -0.025em;
    color: var(--doc-heading) !important;
    margin-bottom: 1.5rem;
    line-height: 1.25;
}

.markdown-content h2 {
    font-family: var(--doc-font-heading);
    font-weight: 600;
    font-size: 1.5rem; /* 24px */
    letter-spacing: -0.015em;
    color: var(--doc-heading) !important;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--doc-border);
}

.markdown-content h3 {
    font-family: var(--doc-font-heading);
    font-weight: 600;
    font-size: 1.25rem; /* 20px */
    color: var(--doc-heading) !important;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.markdown-content h4 {
    font-family: var(--doc-font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--doc-heading) !important;
    margin-top: 1.5rem;
}

.markdown-content p {
    margin-bottom: 1.5rem;
}

.markdown-content ul, .markdown-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.markdown-content li {
    margin-bottom: 0.5rem;
}

.markdown-content strong {
    font-weight: 600;
    color: var(--doc-heading) !important;
}

/* Code Blocks */
.markdown-content code {
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.875em;
    color: #db2777 !important; /* pink-600 */
    background-color: #fdf2f8 !important; /* pink-50 */
    padding: 0.15em 0.3em;
    border-radius: 0.25em;
}

.markdown-content pre {
    background-color: #1e293b !important; /* slate-800 */
    color: #f1f5f9 !important; /* slate-100 */
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.markdown-content pre code {
    background-color: transparent !important;
    color: inherit !important;
    padding: 0;
}

/* Blockquotes */
.markdown-content blockquote {
    border-left: 4px solid var(--doc-primary);
    background-color: #f8fafc !important; /* slate-50 */
    padding: 1rem 1rem 1rem 1.5rem;
    border-radius: 0 0.5rem 0.5rem 0;
    margin-bottom: 1.5rem;
    font-style: italic;
    color: #475569 !important; /* slate-600 */
}

/* Tables */
.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.markdown-content th {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 2px solid var(--doc-border);
    font-weight: 600;
    color: var(--doc-heading) !important;
    background-color: #f8fafc;
}

.markdown-content td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--doc-border);
}

/* Links */
.markdown-content a {
    color: var(--doc-primary) !important;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
}

.markdown-content a:hover {
    border-bottom-color: var(--doc-primary);
}

/* Images */
.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin: 1.5rem 0;
    border: 1px solid var(--doc-border);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .sidebar-sticky {
        position: static;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--doc-border);
        padding: 1rem;
        background-color: #fff;
    }
    .docs-content-wrapper {
        padding: 1.5rem 1rem;
    }

    /* Typography scaling for mobile */
    .markdown-content {
        font-size: 1.05rem; /* slightly larger base for reading */
        line-height: 1.6;
    }
    .markdown-content h1 {
        font-size: 1.75rem;
        margin-bottom: 1rem;
    }
    .markdown-content h2 {
        font-size: 1.35rem;
        margin-top: 2rem;
    }
    .markdown-content h3 {
        font-size: 1.15rem;
    }
    .markdown-content blockquote {
        padding: 0.75rem 1rem;
    }
    .markdown-content pre {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
}

/* Offcanvas smooth transition */
.offcanvas {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}