:root {
  color-scheme: dark;
  --background: #090b0d;
  --surface: #111519;
  --surface-raised: #171d22;
  --border: #293138;
  --border-bright: #46525d;
  --text: #f2f5f7;
  --muted: #9ba8b2;
  --accent: #b7ff6a;
  --accent-soft: #b7ff6a1a;
  --cyan: #72e6dd;
  --shadow: #0008;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 78% 4%, #1b3734 0, transparent 27rem),
    radial-gradient(circle at 12% 14%, #27301c 0, transparent 24rem),
    var(--background);
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
}

a { color: inherit; }

button, input { font: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.masthead, main {
  width: min(78rem, calc(100% - 2rem));
  margin-inline: auto;
}

nav {
  display: flex;
  align-items: center;
  padding-block: 1.35rem;
}

.wordmark {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 760;
  letter-spacing: -.03em;
  text-decoration: none;
}

.wordmark span { color: var(--accent); }

.hero { padding: clamp(1.7rem, 4vw, 3.2rem) 0 clamp(1.8rem, 4vw, 3rem); }

.card-kicker {
  color: var(--accent);
  font-size: .72rem;
  font-weight: 760;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 .55rem;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 760;
  letter-spacing: -.055em;
  line-height: 1;
}

.lede {
  max-width: 42rem;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.discovery {
  padding-bottom: .8rem;
}

.search-box {
  display: grid;
  grid-template-columns: 1.3rem 1fr auto;
  gap: .8rem;
  align-items: center;
  padding: .9rem 1rem;
  border: 1px solid var(--border-bright);
  border-radius: 1.1rem;
  background: var(--surface-raised);
  box-shadow: 0 .45rem 1.5rem #0003;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), 0 .45rem 1.5rem #0003;
}

.search-box svg {
  width: 1.3rem;
  fill: none;
  stroke: var(--muted);
  stroke-linecap: round;
  stroke-width: 1.8;
}

.search-box input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}

.search-box input::placeholder { color: #82909a; }

kbd {
  padding: .08rem .42rem;
  border: 1px solid var(--border);
  border-radius: .3rem;
  color: var(--muted);
  font: .72rem/1.5 ui-monospace, monospace;
}

.filter-row {
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  padding: .8rem 0 .25rem;
  scrollbar-width: none;
}

.filter-row::-webkit-scrollbar { display: none; }

.filter-chip, #clear-filters, .empty-state button {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}

.filter-chip { padding: .42rem .78rem; font-size: .82rem; }

.filter-chip:hover, .filter-chip.is-active {
  border-color: #7ba846;
  background: var(--accent-soft);
  color: var(--accent);
}

.filter-chip:focus-visible, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.results-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.3rem;
  color: var(--muted);
  font-size: .86rem;
}

#clear-filters { padding: .35rem .7rem; }

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
  gap: .9rem;
  padding-bottom: 5rem;
}

.app-card {
  position: relative;
  min-height: 16rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(145deg, var(--surface-raised), var(--surface));
  box-shadow: 0 .5rem 1.8rem #0003;
}

.app-card::before {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 5%, var(--accent-soft), transparent 45%);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}

.app-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
}

.app-card:hover::before { opacity: 1; }

.app-card[hidden] { display: none; }

.card-main {
  position: relative;
  display: flex;
  min-height: 16rem;
  flex-direction: column;
  padding: 1.35rem;
  text-decoration: none;
}

.card-kicker { color: var(--cyan); font-size: .64rem; }

.app-card h2 {
  margin: 1.4rem 0 .65rem;
  font-size: 1.55rem;
  letter-spacing: -.035em;
  line-height: 1.1;
}

.app-card p { margin: 0; color: var(--muted); font-size: .92rem; }

.card-open {
  margin-top: auto;
  padding-top: 1.5rem;
  color: var(--accent);
  font-size: .82rem;
  font-weight: 700;
}

.card-source {
  position: absolute;
  z-index: 2;
  right: 1rem;
  bottom: 1rem;
  color: var(--muted);
  font-size: .72rem;
  text-underline-offset: .2em;
}

.card-source:hover { color: var(--text); }

.empty-state {
  margin: 1rem 0 6rem;
  padding: 4rem 1rem;
  border: 1px dashed var(--border-bright);
  border-radius: 1rem;
  text-align: center;
}

.empty-state p { color: var(--muted); }

.empty-state button { padding: .55rem .9rem; }

@media (max-width: 42rem) {
  .hero { padding-top: 1.3rem; }
  kbd { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .app-card { transition: none; }
}