/* pulse internals — shared styles
 * Single source of truth for the AMOLED theme used across the docs spokes.
 * Mirrors the dashboard palette (claude-stats / battery-stats build-dashboard.sh).
 */
:root {
    --bg: #000000;
    --panel: #0a0a0a;
    --panel-2: #141416;
    --panel-hover: #1a1a1d;
    --fg: #f5f5f5;
    --fg-dim: #6b7280;
    --fg-muted: #4b5563;
    --border: #1f1f23;
    --border-strong: #2a2a30;
    --primary: #a78bfa;
    --primary-soft: rgba(167, 139, 250, 0.12);
    --secondary: #22d3ee;
    --secondary-soft: rgba(34, 211, 238, 0.12);
    --good: #22c55e;
    --good-soft: rgba(34, 197, 94, 0.14);
    --warn: #f59e0b;
    --warn-soft: rgba(245, 158, 11, 0.14);
    --bad: #ef4444;
    --pink: #ec4899;
    --pink-soft: rgba(236, 72, 153, 0.14);
    --shadow: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 1px 2px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 0 0 1px rgba(255, 255, 255, 0.05), 0 8px 24px rgba(0, 0, 0, 0.7);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
    margin: 0; padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-feature-settings: 'cv11', 'ss01', 'ss03';
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    line-height: 1.55;
}
.layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 0;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
}

/* sidebar (rendered by _nav.js into <nav id="toc">) */
nav.toc {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    padding: 28px 20px 28px 28px;
    border-right: 1px solid var(--border);
    background: var(--bg);
}
nav.toc::-webkit-scrollbar { width: 6px; }
nav.toc::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
nav.toc .brand {
    display: flex; align-items: center; gap: 10px;
    padding-bottom: 18px; margin-bottom: 18px;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
}
nav.toc .brand .dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 0 16px rgba(167, 139, 250, 0.45);
}
nav.toc .brand h1 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #f5f5f5, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
nav.toc .group {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--fg-muted);
    margin: 18px 0 6px;
    padding-left: 2px;
    font-weight: 600;
}
nav.toc .group .page-link {
    display: inline-block;
    color: var(--fg-dim);
    text-decoration: none;
    margin-left: -2px;
    padding: 2px 6px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}
nav.toc .group .page-link:hover { color: var(--fg); background: var(--panel-2); }
nav.toc .group .page-link.current {
    color: var(--primary);
    background: var(--primary-soft);
}
nav.toc a.section {
    display: block;
    padding: 5px 10px;
    margin: 1px 0;
    color: var(--fg-dim);
    text-decoration: none;
    font-size: 12.5px;
    border-radius: 6px;
    border-left: 2px solid transparent;
    transition: color 0.15s, background 0.15s, border-color 0.15s;
}
nav.toc a.section:hover { color: var(--fg); background: var(--panel-2); }
nav.toc a.section.active {
    color: var(--primary);
    background: var(--primary-soft);
    border-left-color: var(--primary);
}

/* main */
main {
    padding: 32px 40px 80px;
    max-width: 980px;
    width: 100%;
    margin: 0;
}
section { margin-bottom: 56px; scroll-margin-top: 24px; }
section.hero { margin-bottom: 44px; }

/* hero */
.hero h1 {
    margin: 0 0 8px;
    font-size: 38px;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #f5f5f5, #a78bfa 70%, #22d3ee);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero .tagline {
    color: var(--fg-dim);
    font-size: 17px;
    margin: 0 0 24px;
    max-width: 720px;
}

/* card grids */
.cards-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}
.cards-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}
@media (max-width: 900px) {
    .cards-2, .cards-3 { grid-template-columns: 1fr; }
    .layout { grid-template-columns: 1fr; }
    nav.toc { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
}
.proj-card {
    background: var(--panel);
    border-radius: 14px;
    padding: 18px 20px;
    box-shadow: var(--shadow);
    transition: transform 0.15s, box-shadow 0.15s;
    text-decoration: none;
    color: inherit;
    display: block;
}
.proj-card:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.proj-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.01em;
    display: flex; align-items: baseline; gap: 8px;
}
.proj-card h3 .accent { color: var(--primary); }
.proj-card h3 .accent.cyan { color: var(--secondary); }
.proj-card h3 .accent.good { color: var(--good); }
.proj-card .desc { color: var(--fg-dim); font-size: 13px; margin: 0 0 12px; }
.proj-card .meta { font-size: 11px; color: var(--fg-muted); display: flex; gap: 12px; flex-wrap: wrap; }
.proj-card .meta span::before { content: '◦ '; color: var(--border-strong); }

/* section heading */
section > h2 {
    margin: 0 0 6px;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.02em;
    display: flex; align-items: center; gap: 10px;
}
section > h2::before {
    content: '';
    width: 4px; height: 22px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}
section > .lead {
    color: var(--fg-dim);
    font-size: 14px;
    margin: 0 0 18px;
    max-width: 740px;
}
section h3 {
    margin: 24px 0 10px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--fg);
}

/* badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.02em;
    background: var(--panel-2);
    color: var(--fg-dim);
    margin-left: 6px;
    vertical-align: middle;
}
.badge.purple { background: var(--primary-soft); color: var(--primary); }
.badge.cyan   { background: var(--secondary-soft); color: var(--secondary); }
.badge.good   { background: var(--good-soft); color: var(--good); }
.badge.warn   { background: var(--warn-soft); color: var(--warn); }
.badge.pink   { background: var(--pink-soft); color: var(--pink); }
.badge.subtle { background: transparent; border: 1px solid var(--border); color: var(--fg-muted); }

/* code blocks */
pre, .code {
    background: var(--panel);
    border-radius: 10px;
    padding: 14px 16px;
    overflow-x: auto;
    font-size: 12.5px;
    font-family: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
    line-height: 1.55;
    color: #d4d4d8;
    margin: 12px 0;
    box-shadow: var(--shadow);
    position: relative;
}
pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
code {
    background: var(--panel-2);
    padding: 2px 6px;
    border-radius: 5px;
    font-size: 12px;
    font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
    color: var(--secondary);
}
pre .copy {
    position: absolute;
    top: 8px; right: 8px;
    padding: 4px 9px;
    border: 0;
    background: var(--panel-2);
    color: var(--fg-dim);
    border-radius: 5px;
    font-size: 10px;
    cursor: pointer;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: all 0.15s;
    opacity: 0;
}
pre:hover .copy { opacity: 1; }
pre .copy:hover { background: var(--primary-soft); color: var(--primary); }
pre .copy.copied { background: var(--good-soft); color: var(--good); opacity: 1; }

/* simple syntax tints (applied via classnames in code) */
.tok-c   { color: var(--fg-muted); }
.tok-k   { color: var(--pink); }
.tok-s   { color: var(--good); }
.tok-fn  { color: var(--secondary); }
.tok-n   { color: var(--warn); }
.tok-var { color: var(--primary); }

/* command table */
.cmd-table {
    background: var(--panel);
    border-radius: 12px;
    overflow: hidden;
    margin: 12px 0;
    box-shadow: var(--shadow);
}
.cmd-row {
    display: grid;
    grid-template-columns: 280px 1fr;
    border-top: 1px solid var(--border);
    padding: 14px 18px;
    align-items: start;
    gap: 18px;
}
.cmd-row:first-child { border-top: 0; }
.cmd-row:hover { background: var(--panel-2); }
.cmd-row .cmd {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    color: var(--secondary);
    line-height: 1.4;
}
.cmd-row .cmd .arg { color: var(--fg-muted); }
.cmd-row .desc { font-size: 13px; color: var(--fg-dim); }
.cmd-row .desc strong { color: var(--fg); font-weight: 500; }
@media (max-width: 720px) {
    .cmd-row { grid-template-columns: 1fr; gap: 6px; }
}

/* schema table */
table.schema {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
    background: var(--panel);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    margin: 10px 0 18px;
}
table.schema th {
    text-align: left;
    padding: 10px 14px;
    color: var(--fg-dim);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border);
    background: var(--panel-2);
}
table.schema td {
    padding: 9px 14px;
    border-top: 1px solid var(--border);
    color: var(--fg);
    vertical-align: top;
}
table.schema td.col {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary);
    font-size: 12px;
    white-space: nowrap;
}
table.schema td.type {
    font-family: 'JetBrains Mono', monospace;
    color: var(--secondary);
    font-size: 11.5px;
    white-space: nowrap;
}
table.schema td.note { color: var(--fg-dim); font-size: 12.5px; }

/* flow diagram boxes */
.flow {
    display: flex;
    align-items: stretch;
    gap: 10px;
    flex-wrap: wrap;
    margin: 14px 0 18px;
}
.flow .box {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 12px;
    color: var(--fg);
    min-width: 120px;
    box-shadow: var(--shadow);
}
.flow .box .label {
    font-size: 10px;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}
.flow .box.purple { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary-soft); }
.flow .box.cyan   { border-color: var(--secondary); box-shadow: 0 0 0 1px var(--secondary-soft); }
.flow .box.good   { border-color: var(--good); box-shadow: 0 0 0 1px var(--good-soft); }
.flow .arrow {
    align-self: center;
    font-size: 18px;
    color: var(--fg-muted);
    user-select: none;
}

/* big architecture diagram */
.arch {
    background: var(--panel);
    border-radius: 16px;
    padding: 22px;
    margin: 18px 0 22px;
    box-shadow: var(--shadow);
}
.arch .layer { margin-bottom: 14px; }
.arch .layer-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--fg-muted);
    margin-bottom: 8px;
    padding-left: 4px;
    font-weight: 600;
}
.arch .row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}
.arch .node {
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 11.5px;
    background: var(--panel-2);
    border: 1px solid var(--border);
}
.arch .node strong { color: var(--fg); font-weight: 500; display: block; font-size: 12px; margin-bottom: 2px; }
.arch .node em { color: var(--fg-muted); font-style: normal; font-size: 10.5px; }
.arch .node.src    { border-color: var(--secondary); color: var(--secondary); }
.arch .node.store  { border-color: var(--primary); color: var(--primary); }
.arch .node.out    { border-color: var(--good); color: var(--good); }
.arch .arrow-row {
    text-align: center;
    color: var(--fg-muted);
    font-size: 14px;
    margin: 4px 0;
    user-select: none;
}

/* details/summary disclosure */
details {
    background: var(--panel);
    border-radius: 10px;
    margin: 10px 0;
    overflow: hidden;
    box-shadow: var(--shadow);
}
details summary {
    padding: 12px 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--fg);
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
}
details summary::-webkit-details-marker { display: none; }
details summary::before {
    content: '▸';
    color: var(--primary);
    font-size: 11px;
    transition: transform 0.15s;
}
details[open] summary::before { transform: rotate(90deg); }
details summary:hover { background: var(--panel-2); }
details > *:not(summary) { padding: 0 16px 14px; }
details pre { margin-top: 0; }

/* callouts */
.callout {
    background: var(--panel);
    border-left: 3px solid var(--primary);
    border-radius: 0 10px 10px 0;
    padding: 14px 18px;
    margin: 14px 0;
    font-size: 13px;
    color: var(--fg-dim);
}
.callout.warn { border-left-color: var(--warn); }
.callout.bad  { border-left-color: var(--bad); }
.callout.good { border-left-color: var(--good); }
.callout strong { color: var(--fg); font-weight: 500; }
.callout .label {
    display: inline-block;
    font-size: 9.5px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}
.callout.warn .label { color: var(--warn); }
.callout.bad  .label { color: var(--bad); }
.callout.good .label { color: var(--good); }

/* small lists */
ul.tight, ol.tight { margin: 8px 0; padding-left: 22px; color: var(--fg-dim); font-size: 13px; }
ul.tight li, ol.tight li { margin-bottom: 4px; }
ul.tight li strong, ol.tight li strong { color: var(--fg); font-weight: 500; }

/* footer */
footer {
    margin-top: 60px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    color: var(--fg-muted);
    font-size: 11px;
    text-align: center;
}
footer a { color: var(--secondary); text-decoration: none; }
footer a:hover { color: var(--primary); }