/* ====================================
   RMD BLOG POST STYLES
   Overrides pandoc/Bootstrap defaults
   to match site design
   ==================================== */

/* ---- Theme variables ---- */
:root {
    --accent: #0ea5e9;
    --accent-light: #38bdf8;
    --accent-secondary: #059669;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-code: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-light: #64748b;
    --border: rgba(15, 23, 42, 0.1);
    --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-code: #1e293b;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-light: #64748b;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* ---- Reset Bootstrap body/html ---- */
html, body {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
    font-size: 16px !important;
    line-height: 1.7 !important;
    margin: 0 !important;
    transition: background 0.3s ease, color 0.3s ease;
}

/* ---- Main container ---- */
.container-fluid.main-container {
    max-width: 900px !important;
    margin: 0 auto !important;
    padding: 5rem 2rem 4rem !important;
    background: transparent !important;
}

/* ---- Page title ---- */
#header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

h1.title {
    font-size: 2.5rem !important;
    font-weight: 700 !important;
    line-height: 1.15 !important;
    margin-bottom: 0.75rem !important;
    background: linear-gradient(135deg, var(--accent-light), var(--accent-secondary)) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

h4.author {
    color: var(--text-secondary) !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    margin: 0 !important;
}

h4.date {
    color: var(--text-light) !important;
    font-size: 0.875rem !important;
    font-weight: 400 !important;
    margin-top: 0.25rem !important;
}

/* ---- Section headings ---- */
.section h1,
.section h2,
.section h3,
.section h4,
.section h5 {
    color: var(--text-primary) !important;
    font-family: 'Inter', sans-serif !important;
    font-weight: 600 !important;
}

.section.level1 > h1 {
    font-size: 1.875rem !important;
    margin-top: 2.5rem !important;
    margin-bottom: 1rem !important;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
}

.section.level2 > h2 {
    font-size: 1.5rem !important;
    margin-top: 2rem !important;
    margin-bottom: 0.75rem !important;
    color: var(--accent-light) !important;
}

.section.level3 > h3 {
    font-size: 1.25rem !important;
    margin-top: 1.5rem !important;
    margin-bottom: 0.5rem !important;
}

/* ---- Paragraphs ---- */
p {
    color: var(--text-secondary) !important;
    margin-bottom: 1.25rem !important;
    line-height: 1.75 !important;
}

/* ---- Links ---- */
a {
    color: var(--accent) !important;
    text-decoration: none !important;
    transition: color 0.2s ease !important;
}

a:hover {
    color: var(--accent-light) !important;
    text-decoration: underline !important;
}

/* Download bar button — override the global `a` colour */
.rmd-download-bar a {
    color: white !important;
    text-decoration: none !important;
}

.rmd-download-bar a:hover {
    color: white !important;
    text-decoration: none !important;
    opacity: 0.9;
}

/* ---- Code blocks ---- */
pre {
    background: var(--bg-code) !important;
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    padding: 1.25rem !important;
    margin: 1.25rem 0 !important;
    overflow-x: auto !important;
    box-shadow: var(--shadow) !important;
}

pre code {
    background: transparent !important;
    color: var(--text-primary) !important;
    font-size: 0.875rem !important;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace !important;
    line-height: 1.6 !important;
    padding: 0 !important;
}

[data-theme="dark"] pre {
    background: #0f172a !important;
    border-color: rgba(255,255,255,0.08) !important;
}

[data-theme="dark"] pre code {
    color: #e2e8f0 !important;
}

code {
    background: var(--bg-code) !important;
    color: var(--accent) !important;
    font-size: 0.875em !important;
    padding: 0.15em 0.4em !important;
    border-radius: 4px !important;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace !important;
}

/* ---- Output / verbatim ---- */
pre.r,
pre.sourceCode {
    border-left: 3px solid var(--accent) !important;
}

/* ---- DataTables ---- */
.dataTables_wrapper {
    margin: 1.5rem 0 !important;
}

table.dataTable {
    border-collapse: collapse !important;
    width: 100% !important;
    color: var(--text-primary) !important;
    background: var(--bg-secondary) !important;
    border-radius: 8px !important;
    overflow: hidden !important;
}

table.dataTable thead th {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    font-weight: 600 !important;
    border-bottom: 2px solid var(--border) !important;
    padding: 0.75rem 1rem !important;
    font-size: 0.875rem !important;
}

table.dataTable tbody td {
    color: var(--text-secondary) !important;
    border-bottom: 1px solid var(--border) !important;
    padding: 0.625rem 1rem !important;
    font-size: 0.875rem !important;
}

table.dataTable tbody tr:hover td {
    background: var(--bg-code) !important;
}

[data-theme="dark"] table.dataTable {
    background: #1e293b !important;
}

[data-theme="dark"] table.dataTable thead th {
    background: #1e293b !important;
    border-color: rgba(255,255,255,0.08) !important;
}

[data-theme="dark"] table.dataTable tbody td {
    border-color: rgba(255,255,255,0.06) !important;
}

[data-theme="dark"] table.dataTable tbody tr:hover td {
    background: #0f172a !important;
}

/* DataTables controls */
.dataTables_filter input,
.dataTables_length select {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border) !important;
    border-radius: 6px !important;
    padding: 0.35rem 0.6rem !important;
}

.dataTables_info,
.dataTables_paginate {
    color: var(--text-light) !important;
    font-size: 0.875rem !important;
    margin-top: 0.75rem !important;
}

.paginate_button {
    color: var(--text-secondary) !important;
    border-radius: 4px !important;
    padding: 0.25rem 0.6rem !important;
}

.paginate_button.current,
.paginate_button:hover {
    color: var(--accent) !important;
    background: var(--bg-code) !important;
    border: 1px solid var(--border) !important;
}

/* ---- Plots/images ---- */
img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: 8px !important;
    margin: 1rem 0 !important;
}

/* ---- Block quotes ---- */
blockquote {
    border-left: 3px solid var(--accent) !important;
    padding: 0.75rem 1.25rem !important;
    margin: 1.25rem 0 !important;
    background: var(--bg-secondary) !important;
    border-radius: 0 8px 8px 0 !important;
    color: var(--text-secondary) !important;
}

/* ---- Lists ---- */
ul, ol {
    color: var(--text-secondary) !important;
    padding-left: 1.5rem !important;
    margin-bottom: 1.25rem !important;
}

li {
    margin-bottom: 0.35rem !important;
    line-height: 1.7 !important;
}

/* ---- Horizontal rule ---- */
hr {
    border: none !important;
    border-top: 1px solid var(--border) !important;
    margin: 2rem 0 !important;
}

/* ---- Tab panels (RMD tabset) ---- */
.nav-tabs {
    border-bottom: 2px solid var(--border) !important;
    margin-bottom: 1rem !important;
}

.nav-tabs > li > a {
    color: var(--text-secondary) !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 0.5rem 1rem !important;
}

.nav-tabs > li.active > a,
.nav-tabs > li > a:hover {
    color: var(--accent) !important;
    border-bottom: 2px solid var(--accent) !important;
    background: transparent !important;
}

/* ---- Remove Bootstrap default white bg on tab content ---- */
.tab-content {
    background: transparent !important;
    border: none !important;
}

/* ---- htmlwidgets (plotly, leaflet etc.) ---- */
.html-widget {
    border-radius: 8px !important;
    overflow: hidden !important;
    margin: 1.25rem 0 !important;
}

/* ---- Scrollable output ---- */
.pre-scrollable {
    max-height: 400px !important;
    overflow-y: auto !important;
}

/* ---- Mobile responsiveness ---- */
@media (max-width: 768px) {
    .container-fluid.main-container {
        padding: 4.5rem 1rem 3rem !important;
    }

    h1.title {
        font-size: 1.75rem !important;
    }

    .section.level1 > h1 {
        font-size: 1.5rem !important;
    }
}