*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  background: #000;
  color: #e0e0e0;
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Monaco, monospace;
  line-height: 1.6;
  min-height: 100vh;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #000;
  border-bottom: 1px solid #222;
  padding: 1rem 1.5rem;
}

h1 {
  margin: 0 0 1rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.search-wrap {
  display: flex;
  gap: 0.25rem;
  max-width: 24rem;
}

#search {
  flex: 1;
  min-width: 0;
  padding: 0.5rem 0.75rem;
  background: #0a0a0a;
  border: 1px solid #333;
  color: #fff;
  font: inherit;
  font-size: 0.9rem;
}

#search::placeholder {
  color: #666;
}

#search:focus {
  outline: none;
  border-color: #555;
}

#search-btn {
  padding: 0.5rem 1rem;
  background: #1a1a1a;
  border: 1px solid #333;
  color: #e0e0e0;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

#search-btn:hover {
  background: #252525;
  border-color: #444;
}

main {
  padding: 1.5rem;
  max-width: 56rem;
  margin: 0 auto;
}

.program {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #1a1a1a;
}

.program:last-child {
  border-bottom: 0;
}

.program.hidden {
  display: none;
}

.program h2 {
  margin: 0 0 0.75rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

.program h3 {
  margin: 1.25rem 0 0.5rem 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: #bbb;
}

.program p {
  margin: 0 0 0.5rem 0;
  font-size: 0.9rem;
  color: #aaa;
}

.code-block {
  position: relative;
  margin-top: 1rem;
  background: #0a0a0a;
  border: 1px solid #1a1a1a;
  border-radius: 2px;
}

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.35rem 0.65rem;
  background: #1a1a1a;
  border: 1px solid #333;
  color: #ccc;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.copy-btn:hover {
  background: #252525;
  color: #fff;
}

.copy-btn.copied {
  color: #4ade80;
  border-color: #22c55e;
}

pre {
  margin: 0;
  padding: 2rem 1rem 1rem 1rem;
  overflow-x: auto;
}

code {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Monaco, monospace;
  font-size: 0.85rem;
  color: #d4d4d4;
  white-space: pre;
}

@media (max-width: 640px) {
  header {
    padding: 0.75rem 1rem;
  }

  main {
    padding: 1rem;
  }

  .search-wrap {
    max-width: none;
  }
}