:root {
  --text: #333;
  --bg: #fafafa;
  --border: #ddd;
  --border-light: #e8e8e8;
  --text-muted: #777;
  --text-faint: #aaa;
  --code-bg: #f0f0f0;
  --code-border: #ddd;
  --meta-divider: #e8e8e8;
  --header-bg: #fafafa;
  --scrollbar-thumb: #ddd;
  --md-text: #444;
  --accent: #333;
}

[data-theme="dark"] {
  --text: #e0e0e0;
  --bg: #1a1a1a;
  --border: #555;
  --border-light: #333;
  --text-muted: #888;
  --text-faint: #666;
  --code-bg: #222;
  --code-border: #444;
  --meta-divider: #333;
  --header-bg: #222;
  --scrollbar-thumb: #444;
  --md-text: #ccc;
  --accent: #e0e0e0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
code { font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace; font-size: 0.9em; }
img { max-width: 100%; }

/* ── Layout ── */

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ── Top Header ── */

.top-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
  flex-shrink: 0;
}

.top-logo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.top-logo:hover { color: var(--text-muted); }

.top-breadcrumb {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.top-end {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-gh-link {
  display: flex;
  align-items: center;
  color: var(--text);
}

.top-gh-link:hover { color: var(--text-muted); }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  padding: 4px;
}

.theme-toggle:hover { color: var(--text-muted); }

.icon-moon { display: none; }

[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* ── Content ── */

.content {
  flex: 1;
  overflow-y: auto;
}

.content::-webkit-scrollbar { width: 8px; }
.content::-webkit-scrollbar-track { background: transparent; }
.content::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); }

/* ── Home Page ── */

.home-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 40px;
}

.home-hero {
  margin-bottom: 48px;
}

.home-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.home-hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.home-hero a {
  text-decoration: underline;
}

.home-cta {
  display: inline-block;
  padding: 10px 24px;
  border: 1px solid var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
}

.home-hero .home-cta { text-decoration: none; }

.home-cta:hover { background: var(--text); color: var(--bg); }

.home-section {
  margin-bottom: 40px;
}

.home-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.home-section p {
  margin-bottom: 12px;
  color: var(--text-muted);
}

.home-section ol {
  margin-bottom: 12px;
  padding-left: 1.5em;
  color: var(--text-muted);
}

.home-section li {
  margin-bottom: 4px;
}

.home-code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 16px;
}

.home-code pre {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text);
  white-space: pre;
}

.home-link {
  text-decoration: underline;
  color: var(--text);
}

.home-link:hover { color: var(--text-muted); }

.home-pkg-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: 12px;
}

.home-pkg-table th {
  font-weight: 600;
  text-align: left;
  padding: 8px 12px;
  border-bottom: 2px solid var(--border);
}

.home-pkg-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
}

.home-pkg-table tr:last-child td { border-bottom: none; }

/* ── Search Page ── */

.search-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.search-bar {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--bg);
  padding: 24px 0 16px;
}

.search-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  outline: none;
}

.search-input::placeholder { color: var(--text-faint); }
.search-input:focus { border-color: var(--text); }

.search-results {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 40px;
}

.search-empty {
  padding: 32px;
  text-align: center;
  color: var(--text-faint);
  font-style: italic;
}

.search-item {
  display: block;
  padding: 12px 16px;
  color: var(--text);
  border-bottom: 1px solid var(--border-light);
  outline: none;
}

.search-item:last-child { border-bottom: none; }

.search-item:hover,
.search-item:focus-visible {
  background: var(--text);
  color: var(--bg);
}

.search-item:hover .search-item-desc,
.search-item:focus-visible .search-item-desc {
  color: var(--bg);
}

.search-item-name {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

.search-item-desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ── Loading ── */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
}

/* ── Package Detail ── */

.pkg-detail {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 40px;
}

.pkg-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.pkg-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pkg-desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.pkg-install {
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 10px 14px;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8125rem;
}

.install-code {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: thin;
}

.copy-btn {
  flex-shrink: 0;
  margin-left: 8px;
  border: 1px solid #000;
  background: #000;
  color: #fff;
  cursor: pointer;
  padding: 4px 10px;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
}

.copy-btn:hover { background: var(--bg); color: var(--text); }

.pkg-body {
  display: flex;
  gap: 32px;
}

.pkg-body-main {
  flex: 1;
  min-width: 0;
}

/* ── Markdown Content ── */

.md-content h1,
.md-content h2,
.md-content h3,
.md-content h4 {
  font-weight: 600;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.md-content h1 { font-size: 1.5rem; }
.md-content h2 { font-size: 1.25rem; padding-bottom: 4px; border-bottom: 1px solid var(--border-light); }
.md-content h3 { font-size: 1.1rem; }

.md-content p { margin-bottom: 1em; color: var(--md-text); }

.md-content ul,
.md-content ol { margin-bottom: 1em; padding-left: 1.5em; color: var(--md-text); }
.md-content li { margin-bottom: 0.25em; }

.md-content a { color: var(--text-muted); text-decoration: underline; }
.md-content a:hover { color: var(--text); }

.md-content pre {
  background: var(--bg);
  color: var(--text);
  padding: 16px;
  border: 1px solid var(--border);
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.5;
  margin-bottom: 1em;
}

.md-content code {
  padding: 2px 6px;
  font-size: 0.85em;
}

.md-content pre code {
  padding: 0;
  font-size: inherit;
}

.md-content blockquote {
  border-left: 3px solid var(--border);
  padding-left: 16px;
  margin-bottom: 1em;
  color: var(--text-muted);
}

.md-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1em;
  font-size: 0.875rem;
}

.md-content th {
  font-weight: 600;
  text-align: left;
  padding: 8px 12px;
  border-bottom: 2px solid var(--border);
}

.md-content td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
}

.md-content tr:last-child td { border-bottom: none; }

.md-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5em 0;
}

.md-content strong { font-weight: 600; }

.readme-empty {
  padding: 32px;
  text-align: center;
  color: var(--text-faint);
  font-style: italic;
}

/* ── Meta Sidebar ── */

.pkg-meta {
  width: 220px;
  flex-shrink: 0;
}

.meta-card {
  border: 1px solid var(--border);
  padding: 16px;
}

.meta-section {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--meta-divider);
}

.meta-section-last {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.meta-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 10px;
}

.meta-list {
  font-size: 0.8125rem;
}

.meta-list dt {
  color: var(--text-muted);
  margin-top: 8px;
  font-size: 0.7rem;
}

.meta-list dt:first-child { margin-top: 0; }

.meta-list dd {
  color: var(--text);
  margin-top: 2px;
}

.meta-install {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.7rem;
  line-height: 1.4;
  word-break: break-all;
}

.meta-install code {
  flex: 1;
  min-width: 0;
}

.meta-copy-btn {
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  padding: 3px 8px;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
}

.meta-copy-btn:hover { background: var(--text); color: var(--bg); }

.meta-link {
  font-size: 0.8125rem;
  color: var(--text);
  text-decoration: underline;
}

.meta-link:hover { color: var(--text-muted); }

/* ── Responsive ── */

@media (max-width: 768px) {
  .top-header { padding: 12px 16px; }
  .pkg-body { flex-direction: column; }
  .pkg-meta { width: 100%; }
  .home-page { padding: 24px 20px; }
  .search-page { padding: 0 20px; }
  .search-bar { padding: 16px 0 12px; }
}

@media (max-width: 480px) {
  .top-breadcrumb { display: none; }
}