:root {
  --gh-bg: #0d1117;
  --gh-canvas: #f6f8fa;
  --gh-card: #ffffff;
  --gh-border: #d0d7de;
  --gh-muted: #57606a;
  --gh-text: #24292f;
  --gh-blue: #0969da;
  --gh-green: #1f883d;
  --gh-top: #010409;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--gh-text);
  background:
    radial-gradient(circle at 8% -15%, #24344f 0, transparent 42%),
    radial-gradient(circle at 110% 15%, #153521 0, transparent 38%),
    var(--gh-bg);
}

.page-shell {
  min-height: 100vh;
}

.topbar {
  background: var(--gh-top);
  border-bottom: 1px solid #30363d;
}

.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.7rem 1rem;
  color: #f0f6fc;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.search-pill {
  margin-left: 0.5rem;
  border: 1px solid #30363d;
  border-radius: 6px;
  color: #7d8590;
  padding: 0.35rem 0.7rem;
  font-size: 0.88rem;
  min-width: 200px;
}

.top-actions {
  margin-left: auto;
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
}

.lang-control {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-left: 0.5rem;
}

.lang-label {
  font-size: 0.82rem;
  color: #8b949e;
}

.lang-select {
  min-width: 178px;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 0.35rem 0.45rem;
  background: #161b22;
  color: #f0f6fc;
  font-size: 0.82rem;
}

.repo-page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem;
  background: var(--gh-canvas);
}

.repo-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

.repo-path {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.repo-link {
  color: inherit;
  text-decoration: none;
}

.repo-link:hover {
  text-decoration: underline;
}

.owner {
  color: var(--gh-blue);
}

.repo {
  color: var(--gh-blue);
  font-weight: 600;
}

.repo-badge {
  margin: 0;
  border: 1px solid var(--gh-border);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--gh-muted);
  padding: 0.06rem 0.45rem;
}

.repo-actions {
  margin-left: auto;
  display: flex;
  gap: 0.5rem;
}

.btn-like {
  border: 1px solid var(--gh-border);
  border-radius: 6px;
  background: linear-gradient(180deg, #f6f8fa, #eef1f4);
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
  color: var(--gh-text);
}

.repo-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid var(--gh-border);
  margin-bottom: 1rem;
}

.repo-tabs span {
  padding: 0.55rem 0.65rem;
  font-size: 0.9rem;
  color: var(--gh-muted);
}

.repo-tabs .active {
  border-bottom: 2px solid #fd8c73;
  color: var(--gh-text);
  font-weight: 600;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 1rem;
}

.card {
  border: 1px solid var(--gh-border);
  border-radius: 6px;
  background: var(--gh-card);
  overflow: hidden;
  margin-bottom: 1rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 0;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--gh-border);
  background: #f6f8fa;
}

.card-header p {
  margin: 0;
  font-size: 0.9rem;
}

.file-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.file-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: center;
  padding: 0.6rem 1rem;
  border-top: 1px solid #f1f3f5;
}

.file-list li:first-child {
  border-top: 0;
}

.mono {
  font-family: "JetBrains Mono", "Cascadia Code", monospace;
  color: var(--gh-blue);
  font-size: 0.88rem;
}

.file-link {
  text-decoration: none;
}

.file-link:hover {
  text-decoration: underline;
}

.file-view {
  padding: 0;
}

.file-path {
  color: var(--gh-muted);
  font-size: 0.85rem;
}

.file-code {
  margin: 0;
  padding: 1rem;
  background: #ffffff;
  overflow-x: auto;
}

.file-code code {
  font-family: "JetBrains Mono", "Cascadia Code", monospace;
  font-size: 0.84rem;
  line-height: 1.45;
  white-space: pre;
}

.markdown-body {
  padding: 1rem;
}

.markdown-body h1 {
  margin: 0 0 0.7rem;
  font-size: 1.6rem;
  border-bottom: 1px solid #d8dee4;
  padding-bottom: 0.35rem;
}

.markdown-body h2 {
  margin: 1.2rem 0 0.45rem;
  font-size: 1.2rem;
}

.markdown-body p {
  margin: 0.5rem 0;
}

.markdown-body pre {
  margin: 0.65rem 0 0;
  background: #f6f8fa;
  border: 1px solid var(--gh-border);
  border-radius: 6px;
  padding: 0.7rem 0.85rem;
  overflow-x: auto;
}

.markdown-body code {
  font-family: "JetBrains Mono", "Cascadia Code", monospace;
  font-size: 0.84rem;
}

.side-column .card {
  padding: 1rem;
}

.side-column .card h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.side-column .card p {
  margin: 0;
  font-size: 0.92rem;
}

.stats {
  margin: 0.8rem 0 0;
  display: grid;
  gap: 0.45rem;
}

.stats div {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
}

.stats dt {
  color: var(--gh-muted);
}

.stats dd {
  margin: 0;
  font-weight: 600;
}

.lang-bar {
  margin-top: 0.45rem;
  height: 0.5rem;
  border-radius: 999px;
  background: #d0d7de;
  overflow: hidden;
}

.lang-bar span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--gh-green);
}

.muted {
  color: var(--gh-muted);
  font-size: 0.85rem;
}

.footer {
  max-width: 1280px;
  margin: 0 auto;
  color: #8b949e;
  font-size: 0.8rem;
  padding: 0.8rem 1rem 1.8rem;
}

.footer p {
  margin: 0.2rem 0;
}

@media (max-width: 980px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .repo-actions {
    margin-left: 0;
  }

  .top-actions {
    display: none;
  }

  .lang-control {
    margin-left: auto;
  }

  .search-pill {
    margin-left: 0;
  }
}

@media (max-width: 720px) {
  .repo-page {
    padding: 0.8rem;
  }

  .file-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .search-pill {
    min-width: 120px;
    font-size: 0.8rem;
  }
}