/* APG tool-page layout — consumes the vendored @simonmak-ascent/shared tokens.
 * Mirrors apg-website /tools/<slug> anatomy (specs/tools-presentation.md §4).
 * Dark is the default; light is opt-in via [data-theme="light"] on <html>. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ap-font-body), "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: var(--ap-text-body-size);
  line-height: 1.5;
  background: var(--ap-color-surface-page);
  color: var(--ap-color-text);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--ap-color-text-accent); }
:focus-visible { outline: 2px solid var(--ap-color-focus); outline-offset: 2px; border-radius: 0.25rem; }
h1, h2, h3 { font-family: var(--ap-font-heading), "Titillium Web", system-ui, sans-serif; }
h2 { font-size: var(--ap-text-h4-size); font-weight: 700; color: var(--ap-color-text-accent); margin: 0 0 0.75rem; }
p { margin: 0 0 1rem; color: var(--ap-color-text-body); }

.apg-container { max-width: var(--ap-max-width-site); margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 64rem) { .apg-container { padding-inline: 2rem; } }

/* ---- Top bar: brand · language · theme ---- */
.apg-topbar { border-bottom: 1px solid var(--ap-color-border-subtle); background: var(--ap-color-surface-page); }
.apg-topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.75rem; }
.apg-brand { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--ap-font-accent), "Raleway", sans-serif; font-weight: 700; letter-spacing: 0.02em; color: var(--ap-color-text); text-decoration: none; }
.apg-brand .apg-mark { display: inline-grid; place-items: center; width: 1.75rem; height: 1.75rem; border-radius: 0.375rem; background: var(--ap-color-teal); color: #fff; font-family: var(--ap-font-heading); font-weight: 700; font-size: 0.9rem; }
.apg-controls { display: flex; align-items: center; gap: 0.5rem; }
.apg-langs { display: inline-flex; gap: 0.25rem; align-items: center; }
.apg-lang { padding: 0.35rem 0.6rem; border-radius: 9999px; border: 1px solid var(--ap-color-border-subtle); background: transparent; color: var(--ap-color-text-light); font-size: var(--ap-text-meta-size); font-weight: 600; text-decoration: none; }
.apg-lang[aria-current="true"] { border-color: var(--ap-color-text-accent); color: var(--ap-color-text-accent); }
.apg-theme-toggle { display: inline-grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: 9999px; border: 1px solid var(--ap-color-border-subtle); background: transparent; color: var(--ap-color-text-light); cursor: pointer; }
.apg-theme-toggle:hover { color: var(--ap-color-text-accent); border-color: var(--ap-color-text-accent); }

/* ---- Hero band (photographic + scrim + breadcrumb + H1) ---- */
.apg-hero { position: relative; height: 180px; overflow: hidden; background: var(--ap-color-surface-hero, #005467); }
@media (min-width: 64rem) { .apg-hero { height: 240px; } }
.apg-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.apg-hero .apg-scrim { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,84,103,0.92) 0%, rgba(0,84,103,0.45) 45%, rgba(0,84,103,0) 100%); }
.apg-hero .apg-crumbs { position: absolute; top: 0.4rem; inset-inline: 0; }
.apg-crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0; padding: 0.25rem 0; font-size: var(--ap-text-meta-size); }
.apg-crumbs a { color: rgba(255,255,255,0.92); text-decoration: none; }
.apg-crumbs li[aria-current] { color: #fff; }
.apg-crumbs li:not(:last-child)::after { content: "/"; margin-inline-start: 0.35rem; color: rgba(255,255,255,0.6); }
.apg-hero h1 { position: absolute; inset-inline: 0; bottom: 0; margin: 0; padding-bottom: 1rem; color: #fff; font-size: clamp(1.75rem, 5vw, var(--ap-text-display-size)); font-weight: 900; line-height: 1.05; }
@media (min-width: 64rem) { .apg-hero h1 { padding-bottom: 1.5rem; } }

/* ---- Body ---- */
.apg-main { display: flex; flex-direction: column; gap: 2.5rem; padding-block: 3.5rem; }
.apg-header { display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center; }
.apg-badge { display: inline-block; border-radius: 9999px; background: color-mix(in srgb, var(--ap-color-text-accent) 12%, transparent); color: var(--ap-color-text-accent); padding: 0.25rem 0.75rem; font-size: var(--ap-text-meta-size); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.apg-value { max-width: 40rem; font-size: var(--ap-text-lead-size); color: var(--ap-color-text-light); }
.apg-thesis { margin: 0.25rem 0 0; border-inline-start: 2px solid var(--ap-color-gold); padding-inline-start: 1rem; text-align: start; font-style: italic; color: var(--ap-color-text); }

.apg-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin: 0; }
@media (min-width: 40rem) { .apg-stats { grid-template-columns: repeat(4, 1fr); } }
.apg-stat { border: 1px solid color-mix(in srgb, var(--ap-color-mid-gray) 35%, transparent); border-radius: var(--ap-radius-card); background: var(--ap-color-surface-page); padding: 1rem; }
.apg-stat dt { font-size: var(--ap-text-note-size); color: var(--ap-color-text-light); margin-bottom: 0.25rem; }
.apg-stat dd { margin: 0; font-family: var(--ap-font-heading); font-size: var(--ap-text-leadLg-size); font-weight: 700; color: var(--ap-color-text-accent); }

.apg-sections { display: flex; flex-direction: column; gap: 2rem; }
.apg-section-h { display: flex; flex-direction: column; gap: 0.75rem; }
.apg-caps { list-style: disc; padding-inline-start: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; margin: 0; }
.apg-caps li { color: var(--ap-color-text-body); }
.apg-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0; padding: 0; }
.apg-chips li { border: 1px solid var(--ap-color-border-subtle); background: var(--ap-color-surface-inset); border-radius: 9999px; padding: 0.25rem 0.75rem; font-size: var(--ap-text-meta-size); font-weight: 600; color: var(--ap-color-text); }

.apg-tabs { display: flex; flex-wrap: wrap; gap: 0.35rem; border-bottom: 1px solid var(--ap-color-border-subtle); padding-bottom: 0.5rem; }
.apg-tab { border: 1px solid transparent; background: transparent; color: var(--ap-color-text-light); font: inherit; font-size: var(--ap-text-note-size); font-weight: 600; padding: 0.4rem 0.7rem; border-radius: var(--ap-radius-card); cursor: pointer; }
.apg-tab[aria-selected="true"] { border-color: var(--ap-color-border-subtle); background: var(--ap-color-surface-inset); color: var(--ap-color-text); }
.apg-pane { position: relative; margin-top: 0.75rem; }
.apg-pane pre { margin: 0; background: var(--ap-color-surface-inset); border: 1px solid var(--ap-color-border-subtle); border-radius: var(--ap-radius-card); padding: 1rem; overflow-x: auto; font-family: ui-monospace, "Fira Code", monospace; font-size: var(--ap-text-meta-size); color: var(--ap-color-text); white-space: pre-wrap; }
.apg-copy { position: absolute; top: 0.5rem; inset-inline-end: 0.5rem; border: 1px solid var(--ap-color-border-subtle); background: var(--ap-color-surface-page); color: var(--ap-color-text-light); border-radius: 0.375rem; padding: 0.25rem 0.6rem; font-size: var(--ap-text-caption-size); font-weight: 600; cursor: pointer; }
.apg-copy:hover { color: var(--ap-color-text-accent); }

.apg-facts { display: flex; flex-direction: column; gap: 0.75rem; margin: 0; }
.apg-fact { display: flex; flex-direction: column; gap: 0.25rem; }
@media (min-width: 40rem) { .apg-fact { flex-direction: row; align-items: baseline; gap: 1rem; } .apg-fact dt { width: 7rem; flex: 0 0 auto; } }
.apg-fact dt { font-size: var(--ap-text-note-size); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ap-color-text); }
.apg-fact dd { margin: 0; color: var(--ap-color-text-body); word-break: break-all; }
.apg-fact code { background: var(--ap-color-surface-inset); border-radius: 0.25rem; padding: 0.1rem 0.4rem; font-family: ui-monospace, monospace; font-size: var(--ap-text-note-size); }

.apg-card { border: 1px solid color-mix(in srgb, var(--ap-color-mid-gray) 35%, transparent); border-radius: var(--ap-radius-card); background: var(--ap-color-surface-page); padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }

.apg-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.apg-btn { display: inline-flex; align-items: center; gap: 0.4rem; border-radius: var(--ap-radius-card); padding: 0.625rem 1.5rem; font-size: var(--ap-text-note-size); font-weight: 600; text-decoration: none; transition: filter var(--ap-duration-color) ease, background-color var(--ap-duration-color) ease; }
.apg-btn-primary { background: var(--ap-color-teal-dark); color: #fff; }
.apg-btn-primary:hover { filter: brightness(0.9); }
.apg-btn-secondary { border: 1px solid color-mix(in srgb, var(--ap-color-mid-gray) 55%, transparent); color: var(--ap-color-text); }
.apg-btn-secondary:hover { background: var(--ap-color-surface-inset); }
.apg-back { font-size: var(--ap-text-note-size); font-weight: 600; }
.apg-inline-links { display: flex; flex-wrap: wrap; gap: 1rem; font-weight: 600; }

.apg-footer { border-top: 1px solid var(--ap-color-border-subtle); margin-top: 3rem; padding-block: 2rem; color: var(--ap-color-text-light); font-size: var(--ap-text-note-size); }
.apg-footer a { color: inherit; }