/* ==========================================================================
   Pocket Garage — long-form document pages (privacy, terms, support)
   Calm and readable first. Light by default, follows the OS, user can override.
   No build step. No JS libraries.
   ========================================================================== */

:root {
  color-scheme: light;

  --page:    #F7F8FA;
  --card:    #FFFFFF;
  --ink:     #1A2029;
  --ink-2:   #414B59;
  --ink-3:   #6B7686;
  --line:    #E1E5EB;
  --line-2:  #CCD3DC;

  --volt:    #0E7FA3;   /* darkened for AA contrast on white */
  --volt-bg: #E6F6FC;
  --amber:   #8A5B00;   /* darkened for AA contrast on white */
  --amber-bg:#FFF3D6;

  --brandbar: #0E1116;

  --display: "Orbitron", "Arial Narrow", system-ui, sans-serif;
  --ui: "Rajdhani", "Helvetica Neue", system-ui, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --page:    #10141A;
  --card:    #171C24;
  --ink:     #E7ECF3;
  --ink-2:   #B3BECD;
  --ink-3:   #8593A6;
  --line:    #262E3A;
  --line-2:  #37414F;

  --volt:    #4FDCFF;
  --volt-bg: rgba(46, 214, 255, 0.10);
  --amber:   #FFC24D;
  --amber-bg:rgba(255, 179, 0, 0.11);

  --brandbar: #0A0D11;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page:    #10141A;
    --card:    #171C24;
    --ink:     #E7ECF3;
    --ink-2:   #B3BECD;
    --ink-3:   #8593A6;
    --line:    #262E3A;
    --line-2:  #37414F;
    --volt:    #4FDCFF;
    --volt-bg: rgba(46, 214, 255, 0.10);
    --amber:   #FFC24D;
    --amber-bg:rgba(255, 179, 0, 0.11);
    --brandbar: #0A0D11;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--volt); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 2px solid var(--volt); outline-offset: 3px; border-radius: 3px; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--volt); color: #fff; padding: 10px 16px; font-weight: 700; z-index: 200; }
.skip:focus { left: 12px; top: 12px; }

/* ---------- brand bar ---------- */

.docbar {
  background: var(--brandbar);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky; top: 0; z-index: 50;
}
.docbar-in {
  max-width: 1100px; margin-inline: auto; padding: 0 22px;
  height: 58px; display: flex; align-items: center; gap: 18px;
}
.docbar a.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.docbar a.brand img { height: 26px; width: auto; }
.docbar a.brand span {
  font-family: var(--display); font-size: 13px; font-weight: 800;
  letter-spacing: 0.14em; text-transform: uppercase; color: #E9EEF5;
}
.docbar nav { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.docbar nav a {
  color: #96A3B5; font-family: var(--ui); font-weight: 700; font-size: 15px;
  letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
}
.docbar nav a:hover, .docbar nav a[aria-current="page"] { color: #2ED6FF; }
@media (max-width: 700px) { .docbar nav a.hide-sm { display: none; } }

#theme-toggle {
  appearance: none; cursor: pointer;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #C6D0DC; border-radius: 7px;
  font-family: var(--ui); font-size: 13px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 12px; line-height: 1.4;
}
#theme-toggle:hover { color: #fff; border-color: rgba(255, 255, 255, 0.34); }

/* ---------- layout ---------- */

.doc-hero {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 46px 0 38px;
}
.doc-shell { max-width: 1100px; margin-inline: auto; padding-inline: 22px; }

.doc-hero h1 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(28px, 5vw, 42px); line-height: 1.12; margin: 0;
  letter-spacing: -0.005em;
}
.doc-hero .kicker {
  font-family: var(--ui); font-size: 13px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--volt);
  margin: 0 0 12px;
}
.doc-hero .meta { margin: 16px 0 0; color: var(--ink-3); font-size: 15px; }
.doc-hero .summary { margin: 20px 0 0; font-size: 19px; color: var(--ink-2); max-width: 68ch; }

.doc-body { padding: 44px 0 90px; }
.doc-cols { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 52px; align-items: start; }
@media (max-width: 900px) { .doc-cols { grid-template-columns: 1fr; gap: 26px; } }

/* ---------- table of contents ---------- */

.toc {
  position: sticky; top: 82px;
  font-size: 15px; line-height: 1.45;
}
@media (max-width: 900px) {
  .toc {
    position: static; background: var(--card); border: 1px solid var(--line);
    border-radius: 10px; padding: 18px 20px;
  }
}
.toc h2 {
  font-family: var(--ui); font-size: 12px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-3);
  margin: 0 0 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a {
  display: block; padding: 6px 0 6px 26px; position: relative;
  color: var(--ink-2); text-decoration: none;
}
.toc a::before {
  content: counter(toc); position: absolute; left: 0; top: 6px;
  font-family: var(--ui); font-weight: 700; font-size: 12px;
  color: var(--ink-3); font-variant-numeric: tabular-nums;
}
.toc a:hover { color: var(--volt); }

/* ---------- prose ---------- */

.prose { max-width: 72ch; }
.prose > *:first-child { margin-top: 0; }

.prose h2 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(21px, 2.7vw, 25px); line-height: 1.25;
  margin: 56px 0 4px; scroll-margin-top: 80px;
  padding-top: 22px; border-top: 1px solid var(--line);
}
.prose h2:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.prose h2 .num {
  display: block; font-family: var(--ui); font-size: 12px; font-weight: 700;
  letter-spacing: 0.2em; color: var(--volt); margin-bottom: 7px;
}
.prose h3 {
  font-family: var(--body); font-weight: 700; font-size: 18px;
  margin: 30px 0 0; color: var(--ink); scroll-margin-top: 80px;
}
.prose p { margin: 14px 0 0; }
.prose ul, .prose ol { margin: 14px 0 0; padding-left: 22px; }
.prose li { margin: 7px 0; }
.prose li > ul, .prose li > ol { margin-top: 7px; }
.prose strong { font-weight: 650; color: var(--ink); }
.prose em { font-style: italic; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

.prose code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em; background: var(--volt-bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px;
}

.prose address { font-style: normal; }

/* tables */
.table-wrap { overflow-x: auto; margin: 18px 0 0; border: 1px solid var(--line); border-radius: 9px; background: var(--card); }
.prose table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 15.5px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 11px 14px; border-bottom: 1px solid var(--line); }
.prose thead th {
  font-family: var(--ui); font-size: 12px; font-weight: 700;
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--ink-3);
  background: var(--page);
}
.prose tbody tr:last-child td { border-bottom: 0; }
.prose td code { white-space: nowrap; }

/* callouts */
.note, .warn {
  margin: 20px 0 0; padding: 16px 18px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--card); font-size: 16px;
}
.note { border-left: 3px solid var(--volt); }
.warn { border-left: 3px solid var(--amber); background: var(--amber-bg); }
.note > *:first-child, .warn > *:first-child { margin-top: 0; }
.note b, .warn b {
  display: block; font-family: var(--ui); font-size: 12px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 5px;
}
.note b { color: var(--volt); }
.warn b { color: var(--amber); }

/* the inline placeholder chip */
.todo {
  display: inline-block; font-family: var(--ui); font-size: 12px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--amber-bg); color: var(--amber);
  border: 1px solid currentColor; border-radius: 4px;
  padding: 0 6px; white-space: nowrap;
}

/* summary boxes / faq */
details {
  border: 1px solid var(--line); border-radius: 9px; background: var(--card);
  margin-top: 12px; overflow: hidden;
}
details + details { margin-top: 10px; }
details > summary {
  cursor: pointer; padding: 15px 18px; font-weight: 650; font-size: 17px;
  list-style: none; display: flex; align-items: flex-start; gap: 11px;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::before {
  content: "+"; flex: none; font-family: var(--ui); font-weight: 700;
  color: var(--volt); font-size: 20px; line-height: 1.25;
}
details[open] > summary::before { content: "\2212"; }
details > summary:hover { color: var(--volt); }
details .details-body { padding: 0 18px 18px 47px; }
details .details-body > *:first-child { margin-top: 0; }
@media (max-width: 560px) { details .details-body { padding-left: 18px; } }

/* back to top */
.totop { display: inline-block; margin-top: 40px; font-family: var(--ui); font-weight: 700; font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase; }

/* ---------- footer ---------- */

.doc-foot {
  background: var(--brandbar); color: #8593A6;
  padding: 40px 0; font-size: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.doc-foot a { color: #B3BECD; }
.doc-foot a:hover { color: #2ED6FF; }
.doc-foot .links { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-bottom: 16px; }
.doc-foot .links a { font-family: var(--ui); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; font-size: 15px; }

/* visually hidden (table captions, extra labels) */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* small caption text inside table row headers */
.prose th small { display: block; font-weight: 400; font-size: 13px; color: var(--ink-3); margin-top: 3px; line-height: 1.45; }
.prose tbody th { font-weight: 650; }

/* very narrow phones: give the doc bar room */
@media (max-width: 560px) {
  .docbar-in { gap: 12px; padding: 0 16px; }
  .docbar a.brand span { display: none; }
  .docbar nav { gap: 14px; }
  .docbar nav a { font-size: 14px; letter-spacing: 0.05em; }
  #theme-toggle { padding: 5px 9px; font-size: 12px; }
  .doc-shell { padding-inline: 16px; }
}