/* phporbit documentation.
   Dark-first, matching public/assets/app.css so the docs and the framework's
   own pages read as one system. Light is a full token swap, not an inversion. */

:root {
    --ground: #10131a;
    --panel: #171b24;
    --panel-2: #1e2431;
    --line: #2a3140;
    --ink: #e6e9ef;
    --muted: #98a2b8;
    --accent: #58a6ff;
    --violet: #a371f7;
    --good: #3fb950;
    --warn: #d29922;
    --bad: #f85149;

    --tk-keyword: #ff7b72;
    --tk-string: #a5d6ff;
    --tk-comment: #8b949e;
    --tk-var: #ffa657;
    --tk-fn: #d2a8ff;
    --tk-class: #7ee787;
    --tk-num: #79c0ff;
    --tk-p: #8b949e;

    --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
    :root {
        --ground: #ffffff;
        --panel: #f6f8fa;
        --panel-2: #eef1f6;
        --line: #d8dee6;
        --ink: #1c2128;
        --muted: #59636e;
        --accent: #0969da;
        --violet: #8250df;
        --good: #1a7f37;
        --warn: #9a6700;
        --bad: #cf222e;

        --tk-keyword: #cf222e;
        --tk-string: #0a3069;
        --tk-comment: #6e7781;
        --tk-var: #953800;
        --tk-fn: #8250df;
        --tk-class: #116329;
        --tk-num: #0550ae;
        --tk-p: #6e7781;
    }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
    margin: 0;
    background: var(--ground);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.skip {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--accent);
    color: #fff;
    padding: .6rem 1rem;
    z-index: 10;
}
.skip:focus { left: 0; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:focus-visible, .brand:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 3px;
}

/* ---------------------------------------------------------------- structure */

.shell { display: grid; grid-template-columns: 17rem minmax(0, 1fr); min-height: 100vh; }

.sidebar {
    border-right: 1px solid var(--line);
    background: var(--panel);
    padding: 1.75rem 1.25rem 3rem;
    position: sticky;
    top: 0;
    align-self: start;
    max-height: 100vh;
    overflow-y: auto;
}

.brand { display: block; }
.brand img { display: block; height: 32px; width: auto; }
.tagline {
    margin: .6rem 0 1.75rem;
    color: var(--muted);
    font-size: .78rem;
    letter-spacing: .04em;
}

.nav-group {
    margin: 1.5rem 0 .5rem;
    font-family: var(--mono);
    font-size: .68rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--muted);
}
.nav-group:first-of-type { margin-top: 0; }

.sidebar ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .1rem; }
.sidebar li a {
    display: block;
    padding: .3rem .6rem;
    border-radius: 6px;
    color: var(--ink);
    text-decoration: none;
    font-size: .92rem;
}
.sidebar li a:hover { background: var(--panel-2); }
.sidebar li a.current {
    background: color-mix(in srgb, var(--accent) 16%, transparent);
    color: var(--accent);
    font-weight: 600;
}

main { padding: 3rem clamp(1.25rem, 4vw, 3.5rem) 4rem; }
article { max-width: 52rem; }

/* ------------------------------------------------------------------ content */

h1 {
    margin: 0 0 .5rem;
    font-size: clamp(1.9rem, 4vw, 2.5rem);
    letter-spacing: -.025em;
    line-height: 1.15;
    text-wrap: balance;
}
.summary {
    margin: 0 0 2.5rem;
    font-size: 1.12rem;
    color: var(--muted);
    max-width: 60ch;
    text-wrap: pretty;
}

h2 {
    margin: 3rem 0 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    font-size: 1.45rem;
    letter-spacing: -.015em;
    text-wrap: balance;
}
h3 { margin: 2rem 0 .75rem; font-size: 1.1rem; letter-spacing: -.01em; }

p, ul, ol { max-width: 66ch; }
p { margin: 0 0 1rem; }
li { margin-bottom: .35rem; }
li > ul { margin-top: .35rem; }

strong { font-weight: 650; }

code {
    font-family: var(--mono);
    font-size: .875em;
    background: var(--panel-2);
    padding: .1em .38em;
    border-radius: 4px;
    border: 1px solid var(--line);
}
a code { color: inherit; }

/* --------------------------------------------------------------- code blocks */

figure.code { margin: 0 0 1.5rem; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
figure.code figcaption {
    font-family: var(--mono);
    font-size: .66rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--panel);
    padding: .5rem .9rem;
    border-bottom: 1px solid var(--line);
}
figure.code pre {
    margin: 0;
    padding: 1rem 1.1rem;
    overflow-x: auto;
    background: var(--panel-2);
}
figure.code code {
    background: none;
    border: 0;
    padding: 0;
    font-size: .86rem;
    line-height: 1.65;
    color: var(--ink);
}

.tk-keyword { color: var(--tk-keyword); }
.tk-string  { color: var(--tk-string); }
.tk-comment { color: var(--tk-comment); font-style: italic; }
.tk-var     { color: var(--tk-var); }
.tk-fn      { color: var(--tk-fn); }
.tk-class   { color: var(--tk-class); }
.tk-num     { color: var(--tk-num); }
.tk-p       { color: var(--tk-p); }

/* -------------------------------------------------------------------- notes */

.note, .warn, .good {
    margin: 0 0 1.5rem;
    padding: .9rem 1.1rem;
    border-radius: 10px;
    border: 1px solid var(--line);
    border-left-width: 3px;
    background: var(--panel);
    max-width: 66ch;
}
.note { border-left-color: var(--accent); }
.warn { border-left-color: var(--warn); }
.good { border-left-color: var(--good); }
.note p:last-child, .warn p:last-child, .good p:last-child { margin-bottom: 0; }
.note b, .warn b, .good b { display: block; margin-bottom: .3rem; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
.note b { color: var(--accent); }
.warn b { color: var(--warn); }
.good b { color: var(--good); }

/* ------------------------------------------------------------------- tables */

.scroller { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 1.5rem; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: left; padding: .6rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th {
    font-family: var(--mono);
    font-size: .66rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 500;
    background: var(--panel);
}
tbody tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }

/* -------------------------------------------------------------------- cards */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: .9rem; margin-bottom: 1.5rem; max-width: 66ch; }
.cards a {
    display: block;
    padding: 1rem 1.1rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    text-decoration: none;
    color: var(--ink);
}
.cards a:hover { border-color: var(--accent); }
.cards a b { display: block; margin-bottom: .25rem; }
.cards a span { color: var(--muted); font-size: .88rem; }

/* ------------------------------------------------------------------- pager */

.pager {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin: 3.5rem 0 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    max-width: 52rem;
}
.pager a {
    display: block;
    padding: .7rem 1rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    text-decoration: none;
    color: var(--ink);
    background: var(--panel);
}
.pager a:hover { border-color: var(--accent); }
.pager a.next { text-align: right; }
.pager span { display: block; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

.site-footer { margin-top: 2.5rem; color: var(--muted); font-size: .82rem; max-width: 52rem; }
.site-footer code { font-size: .8rem; }

/* ------------------------------------------------------------- narrow screens */

@media (max-width: 60rem) {
    .shell { grid-template-columns: minmax(0, 1fr); }
    .sidebar {
        position: static;
        max-height: none;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
    .sidebar nav { columns: 2; column-gap: 1.5rem; }
    .nav-group:first-of-type { margin-top: 0; }
    main { padding-top: 2rem; }
}