/* ==========================================================================
   IAS suite, shared manual stylesheet
   --------------------------------------------------------------------------
   Used by every document in docs/end-user/ and docs/plugin-guides/.

   Design language is inherited from planning/ROADMAP.html so the whole
   documentation set reads as one system: same variables, same spacing scale,
   same light/dark handling.

   Theme: follows the OS by default via prefers-color-scheme, and can be pinned
   with <html data-theme="light"> / <html data-theme="dark">. The pinned form
   must win in both directions, which is why the two [data-theme] blocks repeat
   the full variable set rather than relying on the media query alone.

   SVG diagrams inherit colour through currentColor and the CSS variables below,
   so a single diagram file works in both themes, never hard-code fills in the
   inline SVGs.

   Bundling: tools/bundle-manual.py inlines this file and base64-encodes the
   screenshots to emit a single portable .html. Keep everything here
   self-contained (no @import, no web fonts).
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --bg-code: #f0f1f4;
  --fg: #1a1d21;
  --fg-muted: #5c6370;
  --border: #dfe2e7;
  --accent: #7f1d4f;
  --link: #0b5fa5;

  --note-bg: #e4edf8;
  --note-fg: #14538c;
  --note-br: #4a90d9;
  --tip-bg: #dff0e2;
  --tip-fg: #1d6b32;
  --tip-br: #3f9e5c;
  --warn-bg: #fdf0d9;
  --warn-fg: #8a5a06;
  --warn-br: #d99e2b;
  --stop-bg: #fbe3e3;
  --stop-fg: #9a2020;
  --stop-br: #cc4b4b;

  /* Diagram palette, referenced from inline SVG via var(). */
  --dia-fill: #f6f7f9;
  --dia-fill-2: #e9edf3;
  --dia-stroke: #8a94a3;
  --dia-text: #1a1d21;
  --dia-accent: #0b5fa5;
  --dia-accent-2: #7f1d4f;
  --dia-ok: #1d6b32;
  --dia-warn: #8a5a06;

  --shadow: 0 1px 2px rgba(16, 20, 26, .06), 0 4px 12px rgba(16, 20, 26, .05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --bg-alt: #1c1f25;
    --bg-code: #23272e;
    --fg: #e6e8eb;
    --fg-muted: #9aa2ad;
    --border: #333942;
    --accent: #e78bb5;
    --link: #6fb3f2;

    --note-bg: #17293d; --note-fg: #8fc2f0; --note-br: #3b7fc4;
    --tip-bg: #16301e;  --tip-fg: #86d29b;  --tip-br: #3f9e5c;
    --warn-bg: #3a2e14; --warn-fg: #e5b455; --warn-br: #b8862a;
    --stop-bg: #3d1e1e; --stop-fg: #f09393; --stop-br: #b34a4a;

    --dia-fill: #1c1f25;
    --dia-fill-2: #262b33;
    --dia-stroke: #6d7683;
    --dia-text: #e6e8eb;
    --dia-accent: #6fb3f2;
    --dia-accent-2: #e78bb5;
    --dia-ok: #86d29b;
    --dia-warn: #e5b455;

    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 14px rgba(0, 0, 0, .35);
  }
}

:root[data-theme="dark"] {
  --bg: #14161a;
  --bg-alt: #1c1f25;
  --bg-code: #23272e;
  --fg: #e6e8eb;
  --fg-muted: #9aa2ad;
  --border: #333942;
  --accent: #e78bb5;
  --link: #6fb3f2;

  --note-bg: #17293d; --note-fg: #8fc2f0; --note-br: #3b7fc4;
  --tip-bg: #16301e;  --tip-fg: #86d29b;  --tip-br: #3f9e5c;
  --warn-bg: #3a2e14; --warn-fg: #e5b455; --warn-br: #b8862a;
  --stop-bg: #3d1e1e; --stop-fg: #f09393; --stop-br: #b34a4a;

  --dia-fill: #1c1f25;
  --dia-fill-2: #262b33;
  --dia-stroke: #6d7683;
  --dia-text: #e6e8eb;
  --dia-accent: #6fb3f2;
  --dia-accent-2: #e78bb5;
  --dia-ok: #86d29b;
  --dia-warn: #e5b455;

  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 14px rgba(0, 0, 0, .35);
}

:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --bg-code: #f0f1f4;
  --fg: #1a1d21;
  --fg-muted: #5c6370;
  --border: #dfe2e7;
  --accent: #7f1d4f;
  --link: #0b5fa5;

  --note-bg: #e4edf8; --note-fg: #14538c; --note-br: #4a90d9;
  --tip-bg: #dff0e2;  --tip-fg: #1d6b32;  --tip-br: #3f9e5c;
  --warn-bg: #fdf0d9; --warn-fg: #8a5a06; --warn-br: #d99e2b;
  --stop-bg: #fbe3e3; --stop-fg: #9a2020; --stop-br: #cc4b4b;

  --dia-fill: #f6f7f9;
  --dia-fill-2: #e9edf3;
  --dia-stroke: #8a94a3;
  --dia-text: #1a1d21;
  --dia-accent: #0b5fa5;
  --dia-accent-2: #7f1d4f;
  --dia-ok: #1d6b32;
  --dia-warn: #8a5a06;
}

/* ---- base ---------------------------------------------------------------- */

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2rem 1.25rem 5rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.wrap { max-width: 64rem; margin: 0 auto; }

h1 { font-size: 2rem; line-height: 1.18; margin: 0 0 .4rem; letter-spacing: -.02em; }
h2 {
  font-size: 1.35rem; margin: 3.2rem 0 1rem; padding-bottom: .4rem;
  border-bottom: 2px solid var(--border); letter-spacing: -.012em;
  scroll-margin-top: 1rem;
}
h3 { font-size: 1.08rem; margin: 2rem 0 .6rem; letter-spacing: -.005em; scroll-margin-top: 1rem; }
h4 {
  font-size: .84rem; margin: 1.6rem 0 .5rem; color: var(--fg-muted);
  text-transform: uppercase; letter-spacing: .07em; font-weight: 700;
}

p, ul, ol { margin: .75rem 0; }
ul, ol { padding-left: 1.35rem; }
li { margin: .32rem 0; }
li > ul, li > ol { margin: .3rem 0; }

a { color: var(--link); text-decoration: none; border-bottom: 1px solid transparent; }
a:hover { border-bottom-color: currentColor; }

strong { font-weight: 650; }

code {
  background: var(--bg-code); padding: .12em .38em; border-radius: 4px;
  font: .875em/1.4 ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  word-break: break-word;
}

pre {
  background: var(--bg-code); border: 1px solid var(--border); border-radius: 8px;
  padding: .85rem 1rem; overflow-x: auto; margin: 1rem 0;
  font: .84rem/1.55 ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
pre code { background: none; padding: 0; border-radius: 0; font-size: inherit; }

hr { border: 0; border-top: 1px solid var(--border); margin: 2.5rem 0; }

/* ---- document header ----------------------------------------------------- */

.doc-head { margin-bottom: 1.75rem; }

.eyebrow {
  font: 700 .72rem/1 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: .1em; text-transform: uppercase; color: var(--accent);
  margin: 0 0 .6rem;
}

.lede { color: var(--fg-muted); font-size: 1.06rem; margin: .5rem 0 0; }

.doc-meta {
  display: flex; flex-wrap: wrap; gap: .45rem;
  margin: 1rem 0 0; padding: 0; list-style: none;
}
.doc-meta li {
  margin: 0; font-size: .8rem; color: var(--fg-muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: .25rem .7rem; background: var(--bg-alt);
}
.doc-meta strong { color: var(--fg); font-weight: 600; }

/* ---- table of contents --------------------------------------------------- */

.toc {
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-alt); padding: 1.1rem 1.35rem; margin: 2rem 0;
}
.toc h2 {
  font-size: .8rem; margin: 0 0 .7rem; padding: 0; border: 0;
  text-transform: uppercase; letter-spacing: .07em; color: var(--fg-muted);
}
.toc ol { margin: 0; padding-left: 1.15rem; columns: 2; column-gap: 2rem; }
.toc li { margin: .2rem 0; break-inside: avoid; }

@media (max-width: 44rem) {
  .toc ol { columns: 1; }
}

/* ---- UI navigation path -------------------------------------------------- */
/* e.g. <span class="path">WooCommerce<i>›</i>Serial Keys<i>›</i>Settings</span> */

.path {
  display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: .3em;
  background: var(--bg-code); border: 1px solid var(--border); border-radius: 5px;
  padding: .12em .5em; font-size: .875em; font-weight: 600; white-space: normal;
}
.path i { font-style: normal; color: var(--fg-muted); font-weight: 400; }

/* ---- steps --------------------------------------------------------------- */

ol.steps { counter-reset: step; list-style: none; padding-left: 0; margin: 1.2rem 0; }
ol.steps > li {
  counter-increment: step; position: relative;
  padding: 0 0 1.1rem 2.6rem; margin: 0;
  border-left: 1px solid var(--border);
}
ol.steps > li:last-child { border-left-color: transparent; padding-bottom: 0; }
ol.steps > li::before {
  content: counter(step);
  position: absolute; left: -0.85rem; top: -0.1rem;
  width: 1.7rem; height: 1.7rem; border-radius: 50%;
  background: var(--bg); color: var(--accent);
  border: 1px solid var(--border);
  font: 700 .8rem/1.6rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-align: center;
}
ol.steps > li > :first-child { margin-top: 0; }

/* ---- figures ------------------------------------------------------------- */

figure {
  margin: 1.6rem 0; padding: 0;
}
figure img {
  display: block; max-width: 100%; height: auto;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-alt); box-shadow: var(--shadow);
}
figcaption {
  margin-top: .6rem; font-size: .86rem; color: var(--fg-muted);
  line-height: 1.5;
}
figcaption b { color: var(--fg); font-weight: 600; }

/* Diagrams sit on their own surface and scroll rather than overflow. */
figure.diagram {
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-alt); padding: 1.2rem; overflow-x: auto;
}
figure.diagram svg { display: block; max-width: 100%; height: auto; margin: 0 auto; }
figure.diagram figcaption { margin-top: .9rem; }

/* SVG text/shape defaults, so diagrams need no per-element colour. */
svg .d-box   { fill: var(--dia-fill);   stroke: var(--dia-stroke); stroke-width: 1.25; }
svg .d-box-2 { fill: var(--dia-fill-2); stroke: var(--dia-stroke); stroke-width: 1.25; }
svg .d-line  { stroke: var(--dia-stroke); stroke-width: 1.5; fill: none; }
svg .d-line-accent { stroke: var(--dia-accent); stroke-width: 1.75; fill: none; }
svg .d-text  { fill: var(--dia-text); font: 13px/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
svg .d-text-sm { fill: var(--fg-muted); font: 11px/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
svg .d-text-mono { fill: var(--dia-text); font: 11.5px/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
svg .d-title { fill: var(--dia-text); font: 600 13.5px/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
svg .d-accent { fill: var(--dia-accent); }
svg .d-accent-2 { fill: var(--dia-accent-2); }
svg .d-ok { fill: var(--dia-ok); }
svg .d-warn { fill: var(--dia-warn); }
svg .d-arrow { fill: var(--dia-stroke); }
svg .d-arrow-accent { fill: var(--dia-accent); }

/* ---- tables -------------------------------------------------------------- */

.scroll { overflow-x: auto; margin: 1.1rem 0; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td {
  text-align: left; padding: .55rem .7rem; border: 1px solid var(--border);
  vertical-align: top;
}
th { background: var(--bg-code); font-weight: 600; }
td code { white-space: nowrap; }

/* ---- callouts ------------------------------------------------------------ */

.callout {
  border-left: 3px solid var(--accent); background: var(--bg-code);
  padding: .8rem 1.1rem; margin: 1.2rem 0; border-radius: 0 8px 8px 0;
}
.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }
.callout .label {
  display: block; font: 700 .7rem/1 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: .45rem;
}

.callout.note { background: var(--note-bg); border-left-color: var(--note-br); }
.callout.note .label { color: var(--note-fg); }
.callout.tip { background: var(--tip-bg); border-left-color: var(--tip-br); }
.callout.tip .label { color: var(--tip-fg); }
.callout.warn { background: var(--warn-bg); border-left-color: var(--warn-br); }
.callout.warn .label { color: var(--warn-fg); }
.callout.stop { background: var(--stop-bg); border-left-color: var(--stop-br); }
.callout.stop .label { color: var(--stop-fg); }

/* ---- cards / feature grid ------------------------------------------------ */

.cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: .9rem; margin: 1.2rem 0; padding: 0; list-style: none;
}
.cards > li {
  margin: 0; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-alt); padding: .95rem 1.1rem;
}
.cards h3 { margin: 0 0 .35rem; font-size: .98rem; }
.cards p { margin: 0; font-size: .9rem; color: var(--fg-muted); }

/* ---- definition-style reference lists ------------------------------------ */

dl.ref { margin: 1.1rem 0; }
dl.ref dt {
  font: 600 .9rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--accent); margin-top: 1rem;
}
dl.ref dd { margin: .25rem 0 0; padding-left: 0; font-size: .93rem; }

/* ---- footer -------------------------------------------------------------- */

.doc-foot {
  margin-top: 4rem; padding-top: 1.2rem; border-top: 1px solid var(--border);
  font-size: .85rem; color: var(--fg-muted);
}
.doc-foot p { margin: .35rem 0; }

/* ---- responsive ---------------------------------------------------------- */

@media (max-width: 40rem) {
  body { padding: 1.25rem .85rem 4rem; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.2rem; margin-top: 2.4rem; }
  .toc { padding: .95rem 1.1rem; }
  ol.steps > li { padding-left: 2.3rem; }
}

/* ---- print --------------------------------------------------------------- */

@media print {
  :root {
    --bg: #fff; --bg-alt: #fff; --bg-code: #f4f4f4;
    --fg: #000; --fg-muted: #444; --border: #bbb;
  }
  body { padding: 0; font-size: 11pt; }
  .toc { break-inside: avoid; }
  figure, .callout, table { break-inside: avoid; }
  h2, h3 { break-after: avoid; }
  a { color: inherit; border-bottom: 0; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .8em; color: #555; }
  .doc-foot { break-before: avoid; }
}
