/* Terminal Manual Theme — Claude Code Cookbook */

:root {
  --bg: #0a0e14;
  --surface: #131920;
  --border: #1e2a35;
  --text-primary: #e0e0e0;
  --text-secondary: #8a9bb0;
  --accent-green: #00e88f;
  --accent-cyan: #00bcd4;
  --accent-amber: #f5a623;
  --code-bg: #0d1117;
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: system-ui, -apple-system, sans-serif;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 100vh;
  background: var(--bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform 300ms ease;
}

.sidebar-header {
  padding: 24px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-green);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-logo span {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 0.75rem;
}

.sidebar-nav {
  padding: 16px 0;
  flex: 1;
}

.sidebar-section {
  padding: 0 12px;
  margin-bottom: 16px;
}

.sidebar-section-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  padding: 4px 8px;
  margin-bottom: 4px;
}

.sidebar-link {
  display: block;
  padding: 6px 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 4px;
  border-left: 3px solid transparent;
  transition: color 150ms ease, border-color 150ms ease;
}

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

.sidebar-link.active {
  color: #fff;
  border-left-color: var(--accent-green);
  background: rgba(0, 232, 143, 0.05);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.sidebar-footer a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 150ms ease;
}

.sidebar-footer a:hover {
  color: var(--accent-green);
}

/* Mobile hamburger */
.hamburger {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  min-width: 44px;
  min-height: 44px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 90;
}

/* Main Content Area */
.main {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 32px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.search-wrapper {
  flex: 1;
  max-width: 480px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 10px 12px 10px 36px;
  min-height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 200ms ease;
}

.search-input:focus {
  border-color: var(--accent-green);
}

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

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 0.85rem;
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  max-height: 400px;
  overflow-y: auto;
  display: none;
  z-index: 60;
}

.search-results.open {
  display: block;
}

.search-result-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 150ms ease;
}

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

.search-result-item:hover,
.search-result-item.search-result-active {
  background: rgba(0, 232, 143, 0.05);
}

.search-result-title {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.search-result-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.search-highlight {
  color: var(--accent-green);
  font-weight: 600;
}

.lang-toggle {
  padding: 4px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease;
  white-space: nowrap;
}

.lang-toggle:hover {
  color: var(--accent-green);
  border-color: var(--accent-green);
}

/* Content Area */
.content {
  flex: 1;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 32px;
}

/* Typography */
h1 {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

h2 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
  margin-top: 32px;
  margin-bottom: 12px;
}

h3 {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
}

p {
  margin-bottom: 16px;
  color: var(--text-primary);
}

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: color 150ms ease;
}

a:hover {
  color: #33ffaa;
}

/* Recipe Metadata */
.recipe-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pill-workflow {
  background: rgba(0, 232, 143, 0.12);
  color: var(--accent-green);
}

.pill-code {
  background: rgba(0, 188, 212, 0.12);
  color: var(--accent-cyan);
}

.pill-design {
  background: rgba(245, 166, 35, 0.12);
  color: var(--accent-amber);
}

.badge-starter {
  background: rgba(0, 232, 143, 0.12);
  color: var(--accent-green);
}

.badge-intermediate {
  background: rgba(0, 188, 212, 0.12);
  color: var(--accent-cyan);
}

.badge-advanced {
  background: rgba(245, 166, 35, 0.12);
  color: var(--accent-amber);
}

.tag {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--text-secondary);
  background: rgba(122, 138, 158, 0.1);
  border: 1px solid var(--border);
}

/* Recipe Cards */
.recipe-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  display: block;
  transition: border-color 200ms ease;
}

.recipe-card:hover {
  border-color: var(--accent-green);
}

.recipe-card:active {
  transform: scale(0.98);
}

.sidebar-link:active {
  background: rgba(0, 232, 143, 0.1);
}

.recipe-card-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.recipe-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recipe-card-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* Code Blocks */
.code-block-wrapper {
  position: relative;
  margin: 16px 0;
  border-radius: 6px;
  overflow: hidden;
}

.code-block-wrapper pre {
  background: var(--code-bg) !important;
  padding: 16px !important;
  margin: 0 !important;
  overflow-x: auto;
  font-size: 0.85rem !important;
  line-height: 1.6 !important;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.code-block-wrapper code {
  font-family: var(--font-mono) !important;
  font-size: 0.85rem !important;
}

.code-block-lang {
  position: absolute;
  top: 6px;
  right: 48px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 4px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  cursor: pointer;
  opacity: 0.3;
  transition: opacity 150ms ease, color 150ms ease;
}

.code-block-wrapper:hover .copy-btn {
  opacity: 1;
}

.copy-btn:active {
  opacity: 1;
  color: var(--accent-green);
}

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

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

/* Inline code */
code:not(pre code) {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--surface);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 48px 0 32px;
}

.hero h1 {
  font-size: 2.25rem;
  margin-bottom: 12px;
  text-shadow: 0 0 30px rgba(0, 232, 143, 0.15);
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 32px;
}

.hero-prompt {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 32px;
}

.hero-prompt .cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  background: var(--accent-green);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Prev/Next Navigation */
.recipe-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.recipe-nav a {
  display: flex;
  flex-direction: column;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color 200ms ease;
  max-width: 45%;
}

.recipe-nav a:hover {
  border-color: var(--accent-green);
}

.recipe-nav-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.recipe-nav-title {
  font-size: 0.85rem;
  color: var(--text-primary);
}

/* Category page heading */
.category-header {
  margin-bottom: 24px;
}

/* Lists inside recipe content */
.recipe-content ul, .recipe-content ol {
  margin: 12px 0 16px 24px;
  color: var(--text-primary);
}

.recipe-content li {
  margin-bottom: 6px;
  line-height: 1.6;
}

.recipe-content strong {
  color: #fff;
}

.recipe-content blockquote {
  border-left: 3px solid var(--accent-green);
  padding: 8px 16px;
  margin: 16px 0;
  background: rgba(0, 232, 143, 0.03);
  color: var(--text-primary);
}

/* GitHub link */
.github-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

.github-link:hover {
  color: var(--accent-green);
}

/* Responsive */
@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open {
    display: block;
  }

  .hamburger {
    display: block;
  }

  .main {
    margin-left: 0;
  }

  .topbar {
    padding: 12px 16px 12px 52px;
  }

  .content {
    padding: 24px 16px;
  }

  h1 {
    font-size: 1.75rem;
  }

  .hero {
    padding: 24px 0 16px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .recipe-nav {
    flex-direction: column;
  }

  .recipe-nav a {
    max-width: 100%;
  }
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}