:root {
  --bg-primary: #0f1419;
  --bg-secondary: #1a1f2e;
  --bg-card: #1e2433;
  --bg-elevated: #252b3b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --success: #22c55e;
  --border: #2d3748;
  --border-light: #374151;
  --code-bg: #0d1117;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --font-mono: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, monospace;
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s;
}

a:hover {
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(100% - 32px, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 20, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.125rem;
}

.brand:hover {
  color: var(--text-primary);
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.lang-select {
  padding: 6px 28px 6px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M3 4.5 6 7.5 9 4.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.lang-select:hover,
.lang-select:focus {
  border-color: var(--border-light);
  color: var(--text-primary);
  outline: none;
}

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-github svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Hero */
.hero {
  position: relative;
  padding: 72px 0 64px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, var(--accent-glow), transparent),
    radial-gradient(ellipse 50% 40% at 90% 20%, rgba(34, 197, 94, 0.08), transparent);
  pointer-events: none;
}

.hero .container {
  position: relative;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  margin-bottom: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.hero-badge span {
  color: var(--success);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
}

/* Install block */
.install-block {
  max-width: 680px;
  margin: 0 auto 20px;
  text-align: left;
}

.install-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.install-row {
  display: flex;
  align-items: stretch;
  background: var(--code-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.install-row code {
  flex: 1;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: #e6edf3;
  overflow-x: auto;
  white-space: nowrap;
}

.copy-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 18px;
  background: var(--bg-elevated);
  border: none;
  border-left: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.copy-btn:hover {
  background: var(--accent);
  color: white;
}

.copy-btn.copied {
  background: var(--success);
  color: white;
}

.install-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 10px;
}

.install-hint a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.btn-ghost:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Stats */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Sections */
section {
  padding: 64px 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 40px;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.15s, transform 0.15s;
}

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

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Buckets */
.buckets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.bucket-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  color: inherit;
  transition: border-color 0.15s, background 0.15s;
}

.bucket-card:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
  color: inherit;
}

.bucket-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.bucket-card .bucket-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.bucket-card .bucket-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Commands */
.commands-section {
  background: var(--bg-secondary);
  border-block: 1px solid var(--border);
}

.commands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.command-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.command-card h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.command-card pre {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: #e6edf3;
  overflow-x: auto;
}

/* Package search page */
.page-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header p {
  color: var(--text-secondary);
}

.search-bar-wrap {
  margin-top: 24px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 14px 18px 14px 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.filter-chip {
  padding: 5px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-chip:hover,
.filter-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.packages-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 32px 0 64px;
}

@media (min-width: 900px) {
  .packages-layout.has-detail {
    grid-template-columns: 1fr 360px;
  }
}

.packages-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.package-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.package-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.package-row:hover,
.package-row.selected {
  border-color: var(--accent);
  background: var(--bg-elevated);
}

.package-row .pkg-name {
  font-weight: 700;
  font-size: 0.9375rem;
  font-family: var(--font-mono);
}

.package-row .pkg-bucket {
  display: inline-block;
  padding: 1px 7px;
  margin-left: 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-weight: 500;
  vertical-align: middle;
}

.package-row .pkg-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.package-row .pkg-version {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-top: 2px;
}

.package-detail {
  position: sticky;
  top: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: none;
}

.package-detail.visible {
  display: block;
}

.package-detail h2 {
  font-size: 1.25rem;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.package-detail .detail-bucket {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.package-detail .detail-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.detail-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.875rem;
}

.detail-meta dt {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.detail-meta dd {
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.detail-install {
  margin-top: 20px;
}

.detail-install pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  overflow-x: auto;
  margin-top: 8px;
}

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
}

.pagination button {
  padding: 6px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
}

.pagination button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--text-primary);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination span {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0 8px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg-secondary);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
  max-width: 280px;
}

.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: 3px 0;
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
}

@media (max-width: 640px) {
  .site-nav a:not(.nav-github) {
    display: none;
  }

  .hero {
    padding: 48px 0 40px;
  }

  .install-row {
    flex-direction: column;
  }

  .copy-btn {
    border-left: none;
    border-top: 1px solid var(--border-light);
    justify-content: center;
    padding: 12px;
  }

  .stats-row {
    gap: 24px;
  }
}