/* ===== tribucket website — clean tech-doc style ===== */

:root {
  --color-bg: #ffffff;
  --color-surface: #f7f8fa;
  --color-border: #e1e4e8;
  --color-text: #24292f;
  --color-text-secondary: #656d76;
  --color-text-muted: #8b949e;
  --color-primary: #0969da;
  --color-primary-hover: #0550ae;
  --color-accent: #1a7f37;
  --color-code-bg: #f6f8fa;
  --color-code-border: #d0d7de;
  --color-tag: #ddf4ff;
  --color-tag-text: #0969da;
  --color-hero-bg: #f6f8fa;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC",
    Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --max-width: 960px;
  --radius: 6px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

/* ===== Layout ===== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Nav ===== */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.site-header .logo {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.site-header .logo span {
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: 0.8125rem;
  margin-left: 6px;
}

.site-header nav a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-left: 20px;
}

.site-header nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* ===== Hero ===== */

.hero {
  background: var(--color-hero-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
  text-align: center;
}

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

.hero .tagline {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.hero .version-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 2px 10px;
  border-radius: 16px;
  background: var(--color-tag);
  color: var(--color-tag-text);
  border: 1px solid #b6d8ff;
}

/* ===== Sections ===== */

.section {
  padding: 40px 0;
}

.section + .section {
  border-top: 1px solid var(--color-border);
}

.section-title {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

/* ===== Install Tabs ===== */

.install-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 1px solid var(--color-border);
}

.install-tab {
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  background: transparent;
  transition: all 0.15s;
}

.install-tab:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.install-tab.active {
  color: var(--color-primary);
  background: var(--color-bg);
  border-color: var(--color-border);
  position: relative;
  top: 1px;
}

.install-content {
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--color-bg);
}

.install-panel {
  display: none;
  padding: 20px;
}

.install-panel.active {
  display: block;
}

.install-panel .install-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

/* ===== Code Block ===== */

.code-block {
  position: relative;
  background: var(--color-code-bg);
  border: 1px solid var(--color-code-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-block pre {
  padding: 16px 48px 16px 16px;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
  white-space: pre;
}

.code-block code {
  color: var(--color-text);
  background: transparent;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-code-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.copy-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.copy-btn.copied {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ===== Search ===== */

.search-box {
  margin-bottom: 16px;
}

.search-input {
  width: 100%;
  max-width: 400px;
  padding: 8px 14px 8px 36px;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238b949e' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 10-1.397 1.398h-.001l3.85 3.85a1 1 0 001.415-1.414l-3.85-3.85zm-5.242.156a5 5 0 110-10 5 5 0 010 10z'/%3E%3C/svg%3E")
    12px center no-repeat;
  transition: border-color 0.15s;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.15);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-count {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ===== Package Table ===== */

.package-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.package-table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.package-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

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

.package-table tr:hover td {
  background: var(--color-surface);
}

.package-table .pkg-name {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
}

.package-table .pkg-desc {
  color: var(--color-text-secondary);
}

.package-table .pkg-repo {
  white-space: nowrap;
}

.package-table .pkg-repo a {
  font-size: 0.8125rem;
}

.no-results {
  text-align: center;
  padding: 32px 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* ===== CLI Reference ===== */

.cli-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.cli-row {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(200px, 2fr);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.cli-row:last-child {
  border-bottom: none;
}

.cli-row:hover {
  background: var(--color-surface);
}

.cli-cmd {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text);
  border-right: 1px solid var(--color-border);
  white-space: nowrap;
}

.cli-desc {
  padding: 10px 14px;
  color: var(--color-text-secondary);
}

/* ===== Changelog ===== */

.changelog-list {
  list-style: none;
}

.changelog-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.changelog-version {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 4px;
}

.changelog-version .tag {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 8px;
}

.changelog-item ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
}

.changelog-item ul li::marker {
  color: var(--color-text-muted);
}

/* ===== Footer ===== */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.site-footer a {
  color: var(--color-text-secondary);
}

/* ===== Responsive ===== */

@media (max-width: 640px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .hero .tagline {
    font-size: 1rem;
  }

  .install-tabs {
    flex-wrap: wrap;
  }

  .install-tab {
    flex: 1;
    text-align: center;
    min-width: 80px;
  }

  .cli-row {
    grid-template-columns: 1fr;
  }

  .cli-cmd {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 4px;
  }

  .cli-desc {
    padding-top: 4px;
  }

  .code-block pre {
    font-size: 0.8125rem;
    padding: 12px 40px 12px 12px;
  }

  .package-table th:nth-child(3),
  .package-table td:nth-child(3) {
    display: none;
  }
}