/* Budget Hub API documentation.
   Standalone stylesheet (CSP: no inline styles). Follows the visitor's
   light/dark preference; code panels stay dark in both so amounts and
   structure read the same everywhere. Brand violet is the one accent. */

:root {
    color-scheme: light dark;

    --sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --ink: #1d1a33;
    --ink-soft: #55517a;
    --paper: #ffffff;
    --mist: #f6f5fc;
    --line: #e4e1f5;
    --violet: #6c5ce7;
    --violet-strong: #4b3fb8;
    --wash: #ecebfc;
    --on-violet: #ffffff;

    /* Code panels */
    --panel: #15122b;
    --panel-bar: #1d1938;
    --panel-line: #2d2852;
    --panel-ink: #ece9ff;
    --panel-mute: #9c97c9;
    --tok-key: #b4acff;
    --tok-string: #f0cfa8;
    --tok-money: #46e0a1;
    --tok-other: #8ec5ff;

    /* HTTP method chips */
    --get-bg: #d9f5e8;    --get-ink: #0b6a47;
    --post-bg: #e3e0ff;   --post-ink: #4636c4;
    --patch-bg: #fff0cf;  --patch-ink: #8a5a00;
    --delete-bg: #ffe0dd; --delete-ink: #b02a22;
}

@media (prefers-color-scheme: dark) {
    :root {
        --ink: #ecebfa;
        --ink-soft: #aaa6d0;
        --paper: #100e1e;
        --mist: #181530;
        --line: #2a2647;
        --violet: #9486f7;
        --violet-strong: #b9b0ff;
        --wash: #241f48;
        --on-violet: #14102e;

        --panel: #0a0818;
        --panel-bar: #14112b;
        --panel-line: #29244a;

        --get-bg: #12372b;    --get-ink: #62e3b0;
        --post-bg: #2a2457;   --post-ink: #b9b0ff;
        --patch-bg: #3b2e10;  --patch-ink: #f6c35f;
        --delete-bg: #43201f; --delete-ink: #ff9b93;
    }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 400 1rem/1.65 var(--sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}
a { color: var(--violet-strong); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; border-radius: 4px; }
code { font-family: var(--mono); font-size: 0.86em; }
:not(pre) > code { background: var(--mist); border: 1px solid var(--line); padding: 0.08em 0.38em; border-radius: 5px; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0; }

.skip { position: absolute; left: -999px; top: 0; background: var(--violet); color: var(--on-violet); padding: 0.6rem 1rem; z-index: 50; }
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* ---- Top bar ----------------------------------------------------------- */
.bar {
    position: sticky; top: 0; z-index: 20;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.bar-inner {
    max-width: 1440px; margin: 0 auto; height: 3.5rem; padding: 0 1.25rem;
    display: flex; align-items: center; gap: 1rem;
}
.brand { white-space: nowrap; font-weight: 800; font-size: 1.05rem; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; display: inline-flex; align-items: baseline; gap: 0.45rem; }
.brand-api { font-weight: 700; color: var(--violet); font-size: 0.95rem; }
.brand-api::before { content: "/"; color: var(--line); margin-right: 0.45rem; font-weight: 400; }
.bar-end { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.bar-link { color: var(--ink-soft); font-size: 0.9rem; font-weight: 500; text-decoration: none; }
.bar-link:hover { color: var(--violet-strong); }

/* Language switch (needs JS; hidden otherwise) */
.lang { display: none; border: 1px solid var(--line); border-radius: 8px; padding: 2px; background: var(--mist); }
html.js .lang { display: inline-flex; }
.lang button {
    font: 600 0.78rem/1 var(--sans); color: var(--ink-soft);
    background: none; border: 0; padding: 0.42rem 0.65rem; border-radius: 6px; cursor: pointer;
}
.lang button:hover { color: var(--ink); }
.lang button[aria-pressed="true"] { background: var(--paper); color: var(--violet-strong); box-shadow: 0 0 0 1px var(--line); }

/* Buttons */
.button {
    display: inline-block; background: var(--violet); color: var(--on-violet); text-decoration: none;
    font-weight: 700; font-size: 0.95rem; padding: 0.7rem 1.15rem; border-radius: 9px;
    transition: background 0.15s;
}
.button:hover { background: var(--violet-strong); color: var(--on-violet); }
.button-small { font-size: 0.85rem; padding: 0.5rem 0.85rem; }
.button-quiet { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.button-quiet:hover { background: var(--mist); color: var(--ink); }

/* Section menu for narrow screens */
.menu { position: relative; }
.menu summary { cursor: pointer; font-size: 0.9rem; font-weight: 600; color: var(--ink-soft); list-style: none; padding: 0.4rem 0.6rem; border-radius: 7px; }
.menu summary::-webkit-details-marker { display: none; }
.menu[open] summary { background: var(--mist); }
.menu-panel {
    position: absolute; top: calc(100% + 0.6rem); left: 0; width: 15rem; max-height: 70vh; overflow: auto;
    background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 0.6rem;
    box-shadow: 0 18px 40px rgba(20, 16, 50, 0.22);
}
.menu-panel a { display: block; padding: 0.35rem 0.6rem; color: var(--ink); text-decoration: none; border-radius: 6px; }
.menu-panel a:hover { background: var(--wash); }

/* ---- Shell: left rail + content --------------------------------------- */
.shell { max-width: 1440px; margin: 0 auto; padding: 0 1.25rem; }
.rail { display: none; }
.rail-title { margin: 1.1rem 0 0.3rem; padding: 0 0.6rem; font-size: 0.78rem; font-weight: 700; color: var(--ink-soft); }
.menu-panel .rail-title:first-child { margin-top: 0.2rem; }

@media (min-width: 1180px) {
    .menu { display: none; }
    .shell { display: grid; grid-template-columns: 13.5rem minmax(0, 1fr); column-gap: 3rem; }
    .rail {
        display: block; position: sticky; top: 3.5rem; align-self: start;
        max-height: calc(100vh - 3.5rem); overflow-y: auto; padding: 1.5rem 0 2rem;
        scrollbar-width: thin; scrollbar-color: var(--line) transparent;
    }
    .rail a {
        display: block; padding: 0.3rem 0.6rem; margin-left: -2px; color: var(--ink-soft);
        text-decoration: none; font-size: 0.92rem; font-weight: 500; border-left: 2px solid transparent;
    }
    .rail a:hover { color: var(--ink); }
    .rail a[aria-current="true"] { color: var(--violet-strong); border-left-color: var(--violet); font-weight: 700; }
}
.lang-short { display: none; }
@media (max-width: 640px) {
    .bar-inner { gap: 0.5rem; padding: 0 0.9rem; }
    .bar-end { gap: 0.5rem; }
    .bar-link, .bar .button { display: none; }
    .lang button { padding: 0.4rem 0.45rem; font-size: 0.74rem; }
    .brand { font-size: 0.95rem; }
    .lang-long { display: none; }
    .lang-short { display: inline; }
    .menu summary { padding: 0.4rem 0.4rem; }
}

/* ---- Content ----------------------------------------------------------- */
#content { min-width: 0; padding-bottom: 5rem; }

/* Text column + code column */
.split { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem 2.75rem; }
@media (min-width: 900px) {
    .split { grid-template-columns: minmax(0, 1fr) minmax(0, 25rem); }
    .op-code { position: sticky; top: 4.75rem; align-self: start; }
}
@media (min-width: 1360px) {
    .split { grid-template-columns: minmax(0, 1fr) minmax(0, 28rem); }
}

.hero { padding: 3.25rem 0 3rem; align-items: center; }
.hero h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.08; max-width: 16em; }
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 34em; margin: 1.1rem 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1.6rem 0 0; }
.base {
    display: flex; align-items: center; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.6rem;
    padding: 0.55rem 0.7rem; border: 1px solid var(--line); border-radius: 10px; background: var(--mist); max-width: max-content;
}
.base-label { font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); }
.base code { background: none; border: 0; padding: 0; font-size: 0.86rem; word-break: break-all; }

.guide, .resource { padding-top: 3.25rem; border-top: 1px solid var(--line); margin-top: 3.25rem; }
.hero + .guide { margin-top: 0; }
.guide > h2, .resource-head h2, .reference-title { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.025em; }
.reference-title { margin-top: 4.5rem; padding-top: 3rem; border-top: 2px solid var(--violet); font-size: 2.1rem; }
.reference-title + .resource { border-top: 0; margin-top: 0; padding-top: 1.5rem; }

.prose { max-width: 38rem; }
.prose h3 { font-size: 1.15rem; font-weight: 700; margin: 0 0 0.4rem; letter-spacing: -0.01em; }
.prose p { margin: 0.65rem 0; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin: 0.4rem 0; }
.inline-code {
    background: var(--panel); color: var(--panel-ink); border-radius: 10px; padding: 0.8rem 1rem; margin: 0.8rem 0;
    font: 400 0.84rem/1.6 var(--mono); overflow-x: auto;
}

/* Quick start: a genuine sequence, so it is numbered */
.guide > h2 + .step { margin-top: 1.75rem; }
.step { counter-increment: step; position: relative; padding: 1.4rem 0 1.4rem 3.2rem; }
.guide:has(.step) { counter-reset: step; }
.step::before {
    content: counter(step); position: absolute; left: 0; top: 1.45rem;
    width: 2.1rem; height: 2.1rem; border-radius: 50%; background: var(--wash); color: var(--violet-strong);
    display: grid; place-items: center; font-weight: 800; font-size: 0.95rem;
}
@media (min-width: 900px) { .step .op-code { top: 5.5rem; } }

/* Conventions */
.defs { margin: 1.5rem 0 0; max-width: 54rem; }
.defs > div { display: grid; grid-template-columns: 1fr; gap: 0.2rem 2rem; padding: 0.95rem 0; border-top: 1px solid var(--line); }
.defs > div:first-child { border-top: 0; }
.defs dt { font-weight: 700; }
.defs dd { margin: 0; color: var(--ink-soft); }
.defs dd strong { color: var(--ink); }
@media (min-width: 720px) { .defs > div { grid-template-columns: 11rem 1fr; } }

/* Errors */
.errors { margin-top: 1rem; max-width: 40rem; }
.error-row { display: grid; grid-template-columns: 1fr auto; gap: 0.3rem 1rem; padding: 0.8rem 0; border-top: 1px solid var(--line); align-items: baseline; font-size: 0.93rem; }
.error-code { justify-self: start; }
.error-status { font: 600 0.82rem var(--mono); color: var(--ink-soft); }
.error-meaning { grid-column: 1 / -1; color: var(--ink-soft); max-width: 34rem; }

/* Limits */
.facts { display: grid; grid-template-columns: 1fr; gap: 1.5rem 3rem; margin-top: 1.25rem; }
@media (min-width: 900px) { .facts { grid-template-columns: 1fr 1fr; } }

/* ---- Endpoints --------------------------------------------------------- */
.resource-head p { margin: 0.35rem 0 0; color: var(--ink-soft); max-width: 38rem; }
.op { padding: 2.25rem 0; border-top: 1px solid var(--line); margin-top: 2rem; grid-template-areas: "head" "code" "fields"; }
.op > .op-head { grid-area: head; min-width: 0; }
.op > .op-code { grid-area: code; }
.op > .op-fields { grid-area: fields; min-width: 0; }
@media (min-width: 900px) {
    .op { grid-template-areas: "head code" "fields code"; grid-template-rows: auto 1fr; }
}
.resource-head + .op { border-top: 0; margin-top: 1rem; }
.op-title { display: flex; align-items: center; flex-wrap: wrap; gap: 0.6rem; font-size: 1rem; margin: 0 0 0.7rem; }
.path { font-weight: 500; font-size: 0.95rem; color: var(--ink); overflow-wrap: anywhere; background: none !important; border: 0 !important; padding: 0 !important; }
.param { color: var(--violet-strong); font-weight: 600; }
.op-summary { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.015em; margin: 0; line-height: 1.3; }
.op-description { margin: 0.6rem 0 0; color: var(--ink-soft); max-width: 36rem; }
.op h4 { margin: 1.5rem 0 0.2rem; font-size: 0.9rem; font-weight: 700; }

.chip { font: 600 0.72rem/1 var(--mono); letter-spacing: 0.03em; padding: 0.38rem 0.55rem; border-radius: 6px; }
.chip-get { background: var(--get-bg); color: var(--get-ink); }
.chip-post { background: var(--post-bg); color: var(--post-ink); }
.chip-patch { background: var(--patch-bg); color: var(--patch-ink); }
.chip-delete { background: var(--delete-bg); color: var(--delete-ink); }

.badges { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.9rem 0 0; }
.badge { font-size: 0.78rem; font-weight: 600; padding: 0.2rem 0.6rem; border-radius: 999px; background: var(--mist); color: var(--ink-soft); border: 1px solid var(--line); }
.badge-write { background: var(--patch-bg); color: var(--patch-ink); border-color: transparent; }
.badge-limit { background: var(--delete-bg); color: var(--delete-ink); border-color: transparent; }

/* Field lists */
.fields { margin: 0.3rem 0 0; }
.field { display: grid; grid-template-columns: 1fr; gap: 0.1rem 1rem; padding: 0.6rem 0; border-top: 1px solid var(--line); font-size: 0.92rem; }
.field dt { word-break: break-word; }
.field dd { margin: 0; color: var(--ink-soft); }
@media (min-width: 520px) { .field { grid-template-columns: minmax(7.5rem, 12rem) 1fr; } }
.ftype { font: 500 0.78rem var(--mono); color: var(--ink-soft); margin-right: 0.5rem; }
.freq { font-size: 0.74rem; font-weight: 700; color: var(--violet-strong); background: var(--wash); border-radius: 999px; padding: 0.08rem 0.5rem; margin-right: 0.5rem; }
.fields-more { margin-top: 1.3rem; }
.fields-more summary { cursor: pointer; font-weight: 700; font-size: 0.9rem; color: var(--violet-strong); }
.fields-more[open] summary { margin-bottom: 0.4rem; }

/* ---- Code panels ------------------------------------------------------- */
.code { background: var(--panel); color: var(--panel-ink); border: 1px solid var(--panel-line); border-radius: 12px; overflow: hidden; min-width: 0; }
.code + .code { margin-top: 0.75rem; }
.code-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; min-height: 2.35rem;
    padding: 0.3rem 0.5rem 0.3rem 0.9rem; background: var(--panel-bar); border-bottom: 1px solid var(--panel-line);
    font: 600 0.78rem var(--sans); color: var(--panel-mute);
}
.status { color: var(--tok-money); font-family: var(--mono); font-weight: 600; }
.code pre { margin: 0; padding: 0.95rem 1rem; overflow: auto; font: 400 0.8rem/1.65 var(--mono); tab-size: 2; }
.code pre code { background: none; border: 0; padding: 0; font: inherit; color: inherit; }
.code-fixed { max-height: 21rem; }
.code-headers { padding-bottom: 0 !important; color: var(--panel-mute); border-bottom: 0; }
.code-empty { margin: 0; padding: 0.9rem 1rem; font-size: 0.85rem; color: var(--panel-mute); }
.code .k { color: var(--tok-key); }
.code .s { color: var(--tok-string); }
.code .m { color: var(--tok-money); }
.code .o { color: var(--tok-other); }

/* Language switching: curl by default; JS sets html[data-lang]. */
.code-body { display: none; }
html:not([data-lang]) .code-body[data-lang="curl"],
html[data-lang="curl"] .code-body[data-lang="curl"],
html[data-lang="python"] .code-body[data-lang="python"],
html[data-lang="javascript"] .code-body[data-lang="javascript"] { display: block; }

.copy {
    font: 600 0.74rem/1 var(--sans); color: var(--panel-mute); background: transparent; cursor: pointer;
    border: 1px solid var(--panel-line); border-radius: 6px; padding: 0.38rem 0.6rem;
}
.copy:hover { color: var(--panel-ink); border-color: var(--panel-mute); }
.copy[data-state="copied"] { color: var(--tok-money); border-color: var(--tok-money); }
.copy-light { color: var(--ink-soft); border-color: var(--line); }
.copy-light:hover { color: var(--ink); border-color: var(--ink-soft); }
.code .copy, .base .copy { display: none; }
html.js .code .copy, html.js .base .copy { display: inline-block; }

.foot { margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 0.92rem; }

/* Preview mode: public docs while the API is still invite-only. */
.docs-preview {
    margin: 1.25rem 0 0;
    padding: 0.8rem 1rem;
    border: 1px solid var(--violet);
    border-radius: 10px;
    background: var(--wash);
    color: var(--ink);
    font-size: 0.95rem;
    line-height: 1.55;
}