/* ==========================================================================
   The gallery page's own chrome. Every class here is prefixed `gx-`, so
   nothing in this file can collide with an app class or influence how a
   demo widget renders. The widgets themselves are styled by the app's own
   sheets, which style.css pulls in ahead of this one.
   ========================================================================== */

.gx-body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

/* --- header ------------------------------------------------------------ */

.gx-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.gx-header__text {
  max-width: 60ch;
}

.gx-header__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-display);
}

.gx-header__blurb {
  margin: 0;
  color: var(--text-muted);
  line-height: var(--line-body);
}

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

.gx-layout {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-5);
}

.gx-nav {
  position: sticky;
  top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 0 0 14rem;
}

.gx-nav__link {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
}

.gx-nav__link:hover {
  background: var(--surface-raised);
  color: var(--text);
}

.gx-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  flex: 1 1 auto;
  min-width: 0;
}

/* --- one section ------------------------------------------------------- */

.gx-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  scroll-margin-top: var(--space-4);
}

.gx-section__title {
  margin: 0;
  font-size: var(--text-heading);
}

.gx-section__blurb {
  margin: calc(-1 * var(--space-2)) 0 0;
  max-width: 70ch;
  color: var(--text-muted);
  line-height: var(--line-body);
}

/* --- one story --------------------------------------------------------- */

.gx-story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  /* The demo box sizes to its widget rather than stretching to match the
     height of the snippet beside it. */
  align-items: start;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.gx-story__head {
  grid-column: 1 / -1;
}

.gx-story__title {
  margin: 0;
  font-size: var(--text-body);
}

.gx-story__notes {
  margin: var(--space-1) 0 0;
  max-width: 70ch;
  line-height: var(--line-body);
}

/* The demo sits on the sunken surface, so a widget with its own surface
   color still reads as a separate box from the page behind it. */
.gx-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-sunken);
}

/* A widget that paints the sunken color itself, for example the empty track
   of a stat bar, disappears against the default demo panel. These stories
   take the raised surface, which is what they sit on in the app. */
.gx-demo--raised {
  background: var(--surface);
}

.gx-demo--stack {
  flex-direction: column;
  align-items: stretch;
}

.gx-code {
  margin: 0;
  padding: var(--space-3);
  overflow-x: auto;
  border-radius: var(--radius-sm);
  background: var(--surface-sunken);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  line-height: var(--line-body);
}

.gx-classes {
  grid-column: 1 / -1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--text-muted);
}

/* --- token tables ------------------------------------------------------ */

.gx-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr));
  gap: var(--space-2);
  width: 100%;
}

.gx-swatch {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-label);
}

.gx-swatch__chip {
  height: 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.gx-icons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(6rem, 1fr));
  gap: var(--space-2);
  width: 100%;
}

.gx-icons__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--text-label);
}

@media (max-width: 60rem) {
  .gx-layout {
    flex-direction: column;
  }

  .gx-nav {
    position: static;
    flex-flow: row wrap;
    flex-basis: auto;
  }

  .gx-story {
    grid-template-columns: minmax(0, 1fr);
  }
}