/* Page sections, mobile first.
   Breakpoints: 640px (3 columns), 768px (tablet), 1024px (4 columns), 1280px (desktop, 5 columns). */

/* Header */
.site-header {
  height: 64px;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: var(--rule);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand:hover {
  text-decoration: none;
}

.brand__mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--rule);
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
}

.brand__name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.01em;
}

.site-header__sources {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* Light/dark toggle: shows the moon in light mode, the sun in dark mode. */
.theme-toggle {
  width: 40px;
  padding: 0;
  flex-shrink: 0;
}

.theme-toggle__sun,
[data-theme="dark"] .theme-toggle__moon {
  display: none;
}

[data-theme="dark"] .theme-toggle__sun {
  display: block;
}

@media (min-width: 768px) {
  .site-header {
    height: 80px;
  }

  .brand {
    gap: 12px;
  }

  .brand__mark {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }

  .brand__name {
    font-size: 20px;
  }

  .site-header__sources {
    display: flex;
  }
}

/* Hero */
.hero {
  padding: 32px var(--gutter) 28px;
}

.hero__title {
  font-size: clamp(44px, 7.2vw, 104px);
  font-weight: 700;
  line-height: 1.12; /* room for the bordered "500+" pill */
  letter-spacing: -.03em;
}

.hero__count {
  padding: 0 6px;
  border: var(--rule);
  background: var(--accent);
  color: var(--on-accent);
}

@media (min-width: 768px) {
  .hero {
    padding: 64px var(--gutter) 56px;
  }

  .hero__title {
    line-height: .98;
    letter-spacing: -.035em;
  }

  .hero__count {
    padding: 0 12px;
    border-width: 3px;
  }
}

/* Directory controls: one DOM, rearranged with grid areas per breakpoint. */
.directory {
  padding: 18px var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "search search"
    "filters filters"
    "count sort";
  align-items: center;
  gap: 14px;
  border-bottom: var(--rule);
}

.search { grid-area: search; }
.sort { grid-area: sort; }
.filters { grid-area: filters; }
.directory__count { grid-area: count; }

/* On small screens the chips scroll sideways, bleeding to the screen edge. */
.filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0 calc(var(--gutter) * -1);
  padding: 0 var(--gutter) 4px;
}

@media (min-width: 768px) {
  .directory {
    padding: 32px var(--gutter) 28px;
    grid-template-areas:
      "search sort"
      "filters count";
    column-gap: 16px;
    row-gap: 18px;
  }

  .sort {
    align-self: stretch;
  }

  .filters {
    flex-wrap: wrap;
    gap: 10px;
    overflow: visible;
    margin: 0;
    padding: 0;
  }

  .directory__count {
    justify-self: end;
    align-self: center;
  }
}

/* Results */
.results {
  padding: 22px var(--gutter) 0;
}

/* --cols is read by js/directory.js to size each page, so keep it in sync with the grid. */
.grid {
  --cols: 2;
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  column-gap: 14px;
  row-gap: 18px;
}

@media (min-width: 640px) {
  .grid { --cols: 3; }
}

@media (min-width: 768px) {
  .results {
    padding-top: 40px;
  }

  .grid {
    column-gap: 24px;
    row-gap: 28px;
  }
}

@media (min-width: 1024px) {
  .grid { --cols: 4; }
}

@media (min-width: 1280px) {
  .grid { --cols: 5; }
}

.empty {
  padding: 48px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  border: 2px dashed var(--ink);
  text-align: center;
}

.empty[hidden] {
  display: none;
}

.empty__title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.02em;
}

.empty .btn {
  height: 44px;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .empty {
    padding: 96px 0;
    gap: 20px;
  }

  .empty__title {
    font-size: 40px;
  }
}

/* Pagination: arrow-only squares on mobile, labelled buttons from tablet up. */
.pager {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pager__btn {
  width: 48px;
  height: 48px;
  padding: 0;
  font-size: 18px;
}

.pager__text {
  display: none;
}

@media (min-width: 768px) {
  .pager {
    margin-top: 48px;
    padding-top: 24px;
    border-top: var(--rule);
  }

  .pager__btn {
    width: auto;
    padding: 0 20px;
    font-size: var(--label-size);
  }

  .pager__text {
    display: inline;
  }
}

/* Footer */
.site-footer {
  margin-top: 44px;
  background: var(--footer-bg);
  color: var(--footer-fg);
}

.site-footer__heading {
  padding: 28px var(--gutter) 0;
  color: var(--footer-muted);
  font-weight: 400;
}

.source {
  padding: 24px var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: var(--footer-fg);
  border-bottom: 2px solid var(--footer-rule);
}

.source:hover {
  text-decoration: none;
}

.source:hover .source__quote {
  text-decoration: underline;
}

.source__meta {
  display: flex;
  justify-content: space-between;
  color: var(--footer-muted);
  font-weight: 400;
}

.source__quote {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.01em;
}

.source__footer {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.source__author {
  font-size: 15px;
}

.source__handle {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--footer-muted);
}

.source__cta {
  height: 44px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--footer-fg);
  background: var(--accent);
  color: var(--on-accent);
}

.site-footer__note {
  padding: 20px var(--gutter) 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--footer-muted);
}

.site-footer__note {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer__note a {
  color: var(--footer-fg);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer__stack strong {
  color: var(--accent);
  font-weight: 700;
}

@media (min-width: 768px) {
  .site-footer {
    margin-top: 72px;
    border-top: var(--rule);
  }

  .site-footer__heading {
    padding-top: 40px;
  }

  .sources {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 0 var(--gutter); /* on the full-width row, so it lines up with the rest of the page */
  }

  .source {
    padding: 32px 48px 48px 0;
    gap: 20px;
    border-bottom: 0;
  }

  .source + .source {
    padding: 32px 0 48px 48px;
    border-left: 2px solid var(--footer-rule);
  }

  .source__quote {
    font-size: clamp(28px, 2.8vw, 40px);
    line-height: 1.05;
    letter-spacing: -.02em;
  }

  .source__footer {
    margin-top: auto;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }

  .source__author {
    font-size: 17px;
  }

  .source__handle {
    font-size: 13px;
  }

  .source__cta {
    padding: 0 16px;
  }

  .site-footer__note {
    padding: 24px var(--gutter);
    border-top: 2px solid var(--footer-rule);
    font-size: 12px;
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
    gap: 24px;
  }

  .site-footer__stack {
    text-align: right;
  }
}