:root {
  --bg: #f8fafc;
  --bg-accent: #f1f5f9;
  --panel: #ffffff;
  --panel-strong: #ffffff;
  --line: #e2e8f0;
  --text: #0f172a;
  --muted: #475569;
  --primary: #334155;
  --primary-strong: #1e293b;
  --chip: #e2e8f0;
  --success: #334155;
  --radius-xl: 12px;
  --radius-lg: 8px;
  --radius-md: 6px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
}

.catalog-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.25rem 1.2rem 2.6rem;
}

.catalog-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 1.4rem;
}

.catalog-hero__content h1 {
  margin: 0;
  font-size: clamp(1.45rem, 2.2vw, 2.05rem);
  line-height: 1.15;
}

.catalog-eyebrow {
  margin: 0 0 0.45rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: var(--muted);
  font-weight: 600;
}

#catalog-subtitle {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.button {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 700;
  transition:
    transform 120ms ease,
    box-shadow 120ms ease,
    background-color 120ms ease,
    color 120ms ease;
}

.button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(100, 116, 139, 0.3);
  outline-offset: 2px;
}

.button--primary {
  background: var(--primary);
  color: #ffffff;
  padding: 0.75rem 1.05rem;
}

.button--primary:hover {
  background: var(--primary-strong);
  transform: translateY(-1px);
}

.button--table {
  background: var(--chip);
  color: var(--primary);
  padding: 0.42rem 0.75rem;
  font-size: 0.83rem;
}

.button--table:hover {
  background: #cbd5e1;
}

.catalog-controls {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.control input,
.control select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 0.92rem;
  padding: 0.62rem 0.72rem;
}

.catalog-table-shell {
  margin-top: 0.95rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.catalog-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}

.catalog-table thead th {
  text-align: left;
  padding: 0.72rem 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
  position: sticky;
  top: 0;
  z-index: 1;
}

.catalog-table tbody td {
  border-bottom: 1px solid #e8eff8;
  padding: 0.6rem 0.85rem;
  font-size: 0.93rem;
  vertical-align: middle;
}

.catalog-table tbody tr:hover {
  background: #f8fafc;
}

.source-cell {
  display: flex;
  align-items: center;
  gap: 0.68rem;
  min-width: 280px;
}

.source-thumb {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid #e2e8f0;
  background: #f1f5f9;
}

.source-meta {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.source-name-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.source-name {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.2;
}

.source-version {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  color: var(--muted);
}

.source-id {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.71rem;
  color: var(--muted);
}

.source-language-subtitle {
  display: none;
}

.lang-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
}

.lang-pill {
  font-size: 0.72rem;
  border-radius: 999px;
  padding: 0.2rem 0.46rem;
  background: #f1f5f9;
  color: var(--success);
  font-weight: 600;
}

.catalog-table a {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.87rem;
}

.catalog-table a:hover {
  text-decoration: underline;
}

.empty-state {
  margin: 0;
  padding: 1rem;
  color: var(--muted);
  text-align: center;
  font-weight: 500;
}

@media (max-width: 840px) {
  .catalog-page {
    padding-top: 1.2rem;
  }

  .catalog-hero {
    flex-direction: column;
    align-items: stretch;
  }

  .button--primary {
    width: 100%;
  }

  .catalog-controls {
    grid-template-columns: 1fr;
  }

  .catalog-table {
    min-width: 0;
  }

  .catalog-table thead {
    display: none;
  }

  .catalog-table tbody {
    display: block;
  }

  .catalog-table tbody tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.55rem;
    padding: 0.68rem 0.78rem;
    border-bottom: 1px solid #e8eff8;
  }

  .catalog-table tbody td {
    border: 0;
    padding: 0;
  }

  .catalog-table tbody td.cell-languages,
  .catalog-table tbody td.cell-website {
    display: none;
  }

  .catalog-table tbody td.cell-source {
    min-width: 0;
  }

  .catalog-table tbody td.cell-action {
    justify-self: end;
  }

  .source-cell {
    min-width: 0;
    gap: 0.6rem;
  }

  .source-thumb {
    width: 34px;
    height: 34px;
    border-radius: 6px;
  }

  .source-name {
    font-size: 0.93rem;
  }

  .source-version,
  .source-id {
    display: none;
  }

  .source-language-subtitle {
    display: block;
    color: #64748b;
    font-size: 0.78rem;
    font-style: italic;
  }

  .button--table {
    padding: 0.38rem 0.68rem;
    font-size: 0.81rem;
  }
}