/* ISCC Monitor shared site chrome: the masthead and footer partials
   (internal/chrome), the brand buttons, and the keyboard-focus outline. Every
   server-rendered page links this stylesheet after tokens.css, so the chrome is
   styled once. Values follow the ISCC brand guidelines, edition 01
   (ADR-0015). It references no external URL. */

/* ---------- Keyboard focus: 2px ISCC Blue outline, 4px offset ---------- */
:focus-visible {
  outline: var(--border-width-focus) solid var(--iscc-blue);
  outline-offset: 4px;
}

/* ---------- Masthead and footer: the ISCC documentation design ----------
   Both bars sit on Deep Navy with the Design System grain, as on the ISCC
   documentation sites (zensical-iscc) and iscc-web. Their content spans the page
   column, --page-width wide with 2rem side padding like a page's .page, so the logo
   starts and the identity ends where the content of a standard page does, and the
   bars hold still from page to page. The certificate keeps its narrower reading
   column beneath them; the full-width /docs page sets --page-width: none. Text and
   links are white at 78% (8:1 on navy) or 65% (6.1:1) and turn white on hover and
   focus. */
:root {
  --page-width: 1200px;
}
/* The page fills at least the viewport and its main column takes the spare height,
   so on a short page the footer sits at the bottom of the window rather than above
   blank space. The main column keeps its full width as a flex item, so its own
   max-width and auto margins still centre it. */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body > main {
  flex: 1 0 auto;
  width: 100%;
}
.chrome,
.site-footer {
  background-color: var(--iscc-deep-navy);
  background-image: url("/_ds/grain.png");
  background-size: 256px 256px;
  background-blend-mode: overlay;
  color: rgba(255, 255, 255, 0.78);
}
.chrome-inner,
.site-footer-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.chrome :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--iscc-white);
}

/* ---------- Masthead ----------
   72px high. It leads with the project logo "ISCC | monitor." (1 h = 24px); on phones
   the plain white-and-coral signature stands in for it. The instance identity and an
   optional operator co-brand end the bar. */
.chrome-inner {
  min-height: 72px;
  gap: var(--space-3) var(--space-6);
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}
/* The logo links to the start page; its alt text names the destination, as the brand
   asks for a linked logo. */
.chrome-home {
  display: block;
  line-height: 0;
}
/* Both files carry the brand clear space of 25 units on each side; the negative
   margin puts the visible edge on the page column. */
.chrome-project-logo {
  display: block;
  width: 268.56px;
  max-width: none;
  height: auto;
  margin-left: calc(-268.56px * 25 / 1818.34);
}
.chrome-logo {
  display: none;
  width: auto;
  height: 32px;
  margin-left: calc(-32px * 25 / 217.92);
}
.chrome-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
/* The operator co-brand: a factual "Operated by" label beside the operator logo. The
   logo sits on a white plate, so a logo drawn for light backgrounds stays legible on
   navy. */
.chrome-cobrand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.chrome-cobrand-label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}
.chrome-cobrand-link {
  display: block;
}
.chrome-cobrand-logo {
  display: block;
  box-sizing: content-box;
  height: 28px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  padding: 6px 10px;
  background: var(--iscc-white);
  border-radius: 2px;
}
/* The instance identity: this deployment's domain and its operator line. */
.chrome-identity {
  text-align: right;
  line-height: var(--leading-snug);
}
.chrome-instance {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.78);
}
.chrome-operator {
  font-size: var(--text-xs);
  font-weight: var(--weight-light);
  color: rgba(255, 255, 255, 0.65);
}
@media (max-width: 719.98px) {
  .chrome-project-logo {
    display: none;
  }
  .chrome-logo {
    display: block;
  }
  .chrome-actions {
    margin-left: 0;
  }
  .chrome-identity {
    text-align: left;
  }
}

/* ---------- Footer ----------
   One row, at least 52px high, wrapping on narrow screens: the plain white ISCC logo,
   the running version and the open-source credit start it; the monitor links and,
   after a divider, the operator part end it. */
.site-footer {
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  font-weight: var(--weight-light);
  line-height: 1.5;
}
.site-footer-inner {
  min-height: 52px;
  justify-content: space-between;
  gap: var(--space-3) var(--space-6);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}
.site-footer-meta,
.site-footer-end,
.site-footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-5);
}
.site-footer-meta {
  color: rgba(255, 255, 255, 0.65);
}
/* The logo is 24px high; the margins take its 25-unit clear space out of the row. */
.site-footer-logo {
  --footer-clear: calc(24px * -25 / 217.92);
  margin: 0 calc(var(--footer-clear) - var(--space-2)) 0 var(--footer-clear);
  line-height: 0;
}
.site-footer-logo img {
  display: block;
  width: auto;
  max-width: none;
  height: 24px;
}
/* Set explicitly, so a page stylesheet that resets link colours (the /docs Stoplight
   Elements CSS does) leaves the footer links legible. */
.site-footer a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
}
.site-footer-meta a {
  color: inherit;
}
.site-footer a:hover,
.site-footer a:focus {
  color: var(--iscc-white);
}
.site-footer-product {
  font-family: var(--font-mono);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.78);
}
.site-footer-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.25);
}
@media (max-width: 719.98px) {
  .site-footer-divider {
    display: none;
  }
}

/* ---------- Buttons ----------
   Primary: a near-black block with a pointed end, a white JetBrains Mono label in
   capitals, and a coral chevron that marks the direction. One per view. Secondary: the
   same label in a 1.5px outline of the text colour, beside a primary. The shape is
   measured from the button height h: 0.43h label padding, a 0.3h point, a 0.26h
   chevron set 0.09h away. A label wider than its container wraps and the button
   grows taller, so a long label stays inside a phone-width page. */
.btn-primary,
.btn-secondary {
  --btn-h: 46px;
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  min-height: var(--btn-h);
  padding: calc(var(--btn-h) * 0.15) calc(var(--btn-h) * 0.43);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: var(--weight-medium);
  line-height: 1.25;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}
.btn-primary {
  --btn-point: calc(var(--btn-h) * 0.3);
  --btn-gap: calc(var(--btn-h) * 0.09);
  --btn-chevron: calc(var(--btn-h) * 0.26);
  padding-right: calc(var(--btn-h) * 0.43 + var(--btn-point));
  margin-right: calc(var(--btn-gap) + var(--btn-chevron));
  color: var(--iscc-white);
  background: none;
  border: 0;
}
.btn-primary::before,
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: -1;
}
.btn-primary::before {
  left: 0;
  right: 0;
  background: var(--iscc-near-black);
  clip-path: polygon(0 0, calc(100% - var(--btn-point)) 0, 100% 50%, calc(100% - var(--btn-point)) 100%, 0 100%);
}
.btn-primary::after {
  left: calc(100% - var(--btn-point) + var(--btn-gap));
  width: calc(var(--btn-point) + var(--btn-chevron));
  background: var(--iscc-coral-red);
  clip-path: polygon(0 0, var(--btn-chevron) 0, 100% 50%, var(--btn-chevron) 100%, 0 100%, var(--btn-point) 50%);
  transition: transform 160ms ease-out;
}
.btn-primary:hover {
  text-decoration: none;
}
.btn-primary:hover::after {
  transform: translateX(var(--btn-gap));
}
.btn-secondary {
  color: var(--text-heading);
  background: transparent;
  border: 1.5px solid var(--text-heading);
}
.btn-secondary:hover {
  text-decoration: none;
  border-width: 2.5px;
  padding: calc(var(--btn-h) * 0.15 - 1px) calc(var(--btn-h) * 0.43 - 1px);
}