/* FramePull — the app's palette, on the web.
   Navy is the tool colour, amber the warm content accent, and blue the
   interactive one — the same values ExportSettings.swift uses. Light and dark
   both, because the app follows
   the system appearance and this should too. */

:root {
  --petrol: #4A90D9;
  --petrol-deep: #0A1F3F;
  --amber: #F5A623;
  --paper: #FAF8F5;
  --ink: #1C1B18;
  --muted: #6A665E;
  --rule: #E4DFD6;
  --card: #FFFFFF;
  --link: #35709F;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #16171A;
    --ink: #F2F0EC;
    --muted: #9A968E;
    --rule: #2C2E33;
    --card: #1E2024;
    --link: #F29E2C;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
        Roboto, "Helvetica Neue", Arial, sans-serif;
  text-rendering: optimizeLegibility;
}

/* --- Masthead: the icon's own background, so the page opens on the app --- */

.masthead {
  background: radial-gradient(120% 140% at 12% 0%, #3E7EC0 0%, var(--petrol-deep) 55%, #071730 100%);
  color: #F4F7F7;
  padding: 44px 24px 0;
}

.masthead-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
}

.appicon {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  flex: none;
}

.eyebrow {
  margin: 0 0 2px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--amber);
}

.masthead h1 {
  margin: 0;
  font-size: 27px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: #FFFFFF;
}

.nav {
  max-width: 760px;
  margin: 26px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.nav a {
  padding: 9px 15px 12px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  border-bottom: 3px solid transparent;
}

.nav a:hover { color: #FFFFFF; }

.nav a.here {
  color: #FFFFFF;
  border-bottom-color: var(--amber);
}

/* --- The page itself --- */

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 8px;
}

.page > :first-child { margin-top: 0; }

h2 {
  margin: 44px 0 14px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

h3 {
  margin: 30px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--petrol);
}

@media (prefers-color-scheme: dark) {
  h3 { color: var(--link); }
}

p, ul, ol { margin: 0 0 16px; }

ul, ol { padding-left: 22px; }

li { margin-bottom: 6px; }

li > ul, li > ol { margin-top: 6px; }

a {
  color: var(--link);
  text-decoration-color: color-mix(in srgb, var(--link) 35%, transparent);
  text-underline-offset: 2px;
}

a:hover { text-decoration-color: currentColor; }

strong { font-weight: 650; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 36px 0;
}

blockquote {
  margin: 20px 0;
  padding: 2px 0 2px 18px;
  border-left: 3px solid var(--amber);
  color: var(--muted);
}

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: color-mix(in srgb, var(--petrol) 10%, transparent);
  padding: 2px 5px;
  border-radius: 5px;
}

pre {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
}

pre code { background: none; padding: 0; }

/* Wide things scroll inside themselves rather than making the page slide. */
table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 0 0 20px;
  font-size: 15px;
}

th, td {
  text-align: left;
  padding: 9px 14px 9px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

th {
  font-weight: 650;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

/* --- Footer --- */

.foot {
  max-width: 720px;
  margin: 48px auto 0;
  padding: 22px 24px 44px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 15px;
}

.foot p { margin: 0 0 6px; }

.fine { font-size: 13px; }

@media (max-width: 560px) {
  .masthead { padding-top: 32px; }
  .masthead-inner { gap: 16px; }
  .appicon { width: 62px; height: 62px; border-radius: 15px; }
  .masthead h1 { font-size: 22px; }
  .page { padding-top: 30px; }
  h2 { margin-top: 36px; font-size: 20px; }
}