/* ============================================================
   Layout shell
   ============================================================ */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  padding: 22px 16px 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 18px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.brand-mark { display: flex; align-items: flex-end; gap: 2px; height: 20px; }
.brand-mark span {
  display: block;
  width: 4px;
  background: linear-gradient(180deg, var(--accent-green-bright), var(--accent-green));
  border-radius: 2px;
  animation: pulse-bar 2.4s ease-in-out infinite;
}
.brand-mark span:nth-child(1) { height: 7px;  animation-delay: 0s; }
.brand-mark span:nth-child(2) { height: 13px; animation-delay: 0.2s; }
.brand-mark span:nth-child(3) { height: 20px; animation-delay: 0.4s; }
.brand-mark span:nth-child(4) { height: 11px; animation-delay: 0.6s; }
@keyframes pulse-bar {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

.brand-text { line-height: 1.2; }
.brand-text .name { font-family: var(--font-display); font-weight: 600; font-size: 15px; color: var(--text-primary); }
.brand-text .tag { font-size: 11px; color: var(--text-tertiary); letter-spacing: 0.03em; text-transform: uppercase; }

.cmd-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  font-family: var(--font-body);
  font-size: 12.5px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  cursor: pointer;
  transition: border-color 0.12s ease;
}
.cmd-trigger:hover { border-color: var(--accent-green); }
.cmd-trigger svg { flex-shrink: 0; opacity: 0.5; }
.cmd-trigger span { flex: 1; text-align: left; }
.cmd-trigger kbd {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 2px 5px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-tertiary);
  line-height: 1;
}

.nav-group { margin-bottom: 20px; }
.nav-group-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 0 10px 8px;
}
.nav-list { list-style: none; margin: 0; padding: 0; }
.nav-item { position: relative; }
.nav-link {
  display: block;
  padding: 7px 10px 7px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13.5px;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.nav-link:hover { background: var(--bg-elevated); color: var(--text-primary); text-decoration: none; }
.nav-item.active .nav-link {
  color: var(--text-primary);
  background: var(--accent-green-dim);
  border-left-color: var(--accent-green-bright);
  font-weight: 500;
}
.nav-item[hidden] { display: none; }

/* ---------- Main content ---------- */
.main {
  display: grid;
  grid-template-columns: minmax(0,1fr) var(--toc-w);
  gap: 40px;
  padding: 40px 48px 100px;
  width: 100%;
}

.content { min-width: 0; max-width: var(--content-max); }

.breadcrumb {
  font-size: 12.5px;
  color: var(--text-tertiary);
  margin-bottom: 14px;
}
.breadcrumb .sep { margin: 0 6px; color: var(--border-strong); }

.content h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  color: var(--text-primary);
}
.page-lede {
  color: var(--text-secondary);
  font-size: 16px;
  margin: 0 0 20px;
}
.title-rule {
  display: flex; gap: 3px; align-items: flex-end; height: 14px; margin-bottom: 28px;
}
.title-rule span { width: 22px; height: 3px; border-radius: 2px; background: var(--border-subtle); }
.title-rule span:nth-child(1) { background: var(--accent-green); width: 40px; }
.title-rule span:nth-child(2) { background: var(--accent-green-dim); }

.content h2 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  margin: 42px 0 12px;
  padding-top: 6px;
  color: var(--text-primary);
  scroll-margin-top: 24px;
}
.content h3 {
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 600;
  margin: 28px 0 10px;
  color: var(--text-primary);
  scroll-margin-top: 24px;
}
.content p { color: var(--text-secondary); margin: 0 0 14px; }
.content p code, .content li code { color: var(--accent-green-bright); background: var(--bg-elevated); padding: 1.5px 6px; border-radius: 4px; font-size: 0.87em; border: 1px solid var(--border-subtle); }
.content ul, .content ol { color: var(--text-secondary); padding-left: 22px; margin: 0 0 16px; }
.content li { margin-bottom: 6px; }
.content strong { color: var(--text-primary); font-weight: 600; }

/* ---------- Code blocks ---------- */
.code-block {
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin: 0 0 20px;
  overflow: hidden;
}
.code-block-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255,255,255,0.015);
}
.code-block-head .lang { font-size: 11px; color: var(--text-tertiary); letter-spacing: 0.04em; text-transform: uppercase; }
.copy-btn {
  font-family: var(--font-body);
  font-size: 11.5px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 5px;
  padding: 3px 9px;
  cursor: pointer;
}
.copy-btn:hover { color: var(--text-primary); border-color: var(--accent-green); }
.code-block pre { margin: 0; padding: 14px 16px; overflow-x: auto; }
.code-block code { font-size: 13px; line-height: 1.6; color: #C7D2EE; }
.tok-kw   { color: #7AA2FF; }
.tok-str  { color: #34D399; }
.tok-com  { color: #5C6B8C; font-style: italic; }
.tok-fn   { color: #FBBF24; }
.tok-var  { color: #C7D2EE; }
.tok-num  { color: #F0A7FF; }

/* ---------- Callouts ---------- */
.callout {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--text-secondary);
}
.callout .icon { flex-shrink: 0; font-size: 15px; line-height: 1.5; }
.callout strong { color: var(--text-primary); }
.callout.info  { border-left: 3px solid var(--accent-green); }
.callout.warn  { border-left: 3px solid var(--signal-pending); }
.callout.danger{ border-left: 3px solid var(--signal-miss); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 0 0 22px; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  background: var(--bg-elevated);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
}
tbody td { padding: 10px 14px; border-bottom: 1px solid var(--border-subtle); color: var(--text-secondary); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody td code { color: var(--accent-green-bright); background: var(--bg-code); padding: 1.5px 5px; border-radius: 4px; font-size: 12.5px; }

/* ---------- Signal badges (thematic) ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600; padding: 2px 9px; border-radius: 100px; letter-spacing: 0.02em; }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; }
.badge.hit { color: var(--signal-hit); background: var(--signal-hit-bg); }
.badge.hit::before { background: var(--signal-hit); }
.badge.pending { color: var(--signal-pending); background: var(--signal-pending-bg); }
.badge.pending::before { background: var(--signal-pending); box-shadow: 0 0 0 3px var(--signal-pending-bg); }
.badge.miss { color: var(--signal-miss); background: var(--signal-miss-bg); }
.badge.miss::before { background: var(--signal-miss); }
.badge.get { color: var(--signal-hit); background: var(--signal-hit-bg); }
.badge.post { color: var(--accent-green-bright); background: var(--accent-green-dim); }
.badge.put { color: var(--signal-pending); background: var(--signal-pending-bg); }
.badge.delete { color: var(--signal-miss); background: var(--signal-miss-bg); }

/* ---------- Prev/Next footer ---------- */
.page-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--border-subtle); }
.page-nav a {
  flex: 1;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  text-decoration: none;
  transition: border-color 0.12s ease, background 0.12s ease;
}
.page-nav a:hover { border-color: var(--accent-green); background: var(--bg-elevated); text-decoration: none; }
.page-nav .dir { display: block; font-size: 11px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 3px; }
.page-nav .next { text-align: right; margin-left: auto; }

/* ---------- TOC (on this page) ---------- */
.toc { position: sticky; top: 40px; align-self: start; font-size: 13px; }
.toc-title { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-tertiary); margin-bottom: 10px; }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border-subtle); }
.toc li { margin: 0; }
.toc a {
  display: block;
  padding: 5px 0 5px 14px;
  color: var(--text-tertiary);
  border-left: 2px solid transparent;
  margin-left: -1px;
  text-decoration: none;
}
.toc a.sub { padding-left: 24px; font-size: 12.5px; }
.toc a:hover { color: var(--text-primary); }
.toc a.active { color: var(--accent-green-bright); border-left-color: var(--accent-green-bright); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .main { grid-template-columns: 1fr; }
  .toc { display: none; }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; border-right: none; border-bottom: 1px solid var(--border-subtle); }
  .main { padding: 28px 20px 80px; }
}

/* ---------- Command palette ---------- */
.cmd-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 20vh;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: cmd-fade-in 0.12s ease;
}
.cmd-overlay[hidden] { display: none; }
@keyframes cmd-fade-in { from { opacity: 0; } to { opacity: 1; } }

.cmd-dialog {
  width: 540px;
  max-width: 92vw;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.45);
  overflow: hidden;
  animation: cmd-slide-in 0.15s ease;
}
@keyframes cmd-slide-in { from { transform: translateY(-12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.cmd-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
}
.cmd-icon { flex-shrink: 0; color: var(--text-tertiary); }
.cmd-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
}
.cmd-input::placeholder { color: var(--text-tertiary); }

.cmd-results {
  max-height: 340px;
  overflow-y: auto;
  padding: 6px;
}
.cmd-results:empty::before {
  content: "No results found.";
  display: block;
  padding: 24px 16px;
  color: var(--text-tertiary);
  font-size: 13px;
  text-align: center;
}

.cmd-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.08s ease;
}
.cmd-item:hover, .cmd-item.selected { background: var(--bg-elevated); }
.cmd-item.selected { outline: 1px solid var(--accent-green-dim); }

.cmd-item-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}
.cmd-item-group {
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.03em;
}
.cmd-item-snippet {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 2px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.cmd-item-snippet mark {
  background: var(--accent-green-dim);
  color: var(--accent-green-bright);
  border-radius: 2px;
  padding: 0 2px;
}

.cmd-item-breadcrumb {
  font-size: 11px;
  color: var(--accent-green);
  opacity: 0.7;
  letter-spacing: 0.02em;
}
.cmd-item-matches {
  font-size: 10.5px;
  color: var(--text-tertiary);
  margin-top: 2px;
  display: inline-block;
}

/* ---------- On-page search highlights ---------- */
.search-highlight {
  background: rgba(251, 191, 36, 0.25);
  color: var(--text-primary);
  border-radius: 2px;
  padding: 0 1px;
  transition: background 0.15s ease;
}
.search-highlight.active {
  background: rgba(0, 134, 88, 0.45);
  box-shadow: 0 0 0 2px var(--accent-green);
}

/* ---------- Floating highlight bar ---------- */
.search-highlight-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1001;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 6px 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  font-family: var(--font-body);
  animation: cmd-slide-in 0.15s ease;
}
.shb-count {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 0 6px;
  white-space: nowrap;
  min-width: 52px;
  text-align: center;
}
.shb-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.1s ease, color 0.1s ease;
}
.shb-btn:hover {
  background: var(--accent-green-dim);
  color: var(--text-primary);
  border-color: var(--accent-green);
}
.shb-close {
  margin-left: 4px;
  font-size: 16px;
}

.cmd-footer {
  display: flex;
  gap: 16px;
  padding: 8px 14px;
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-tertiary);
}
.cmd-footer kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 3px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  margin-right: 3px;
}

/* ---------- highlight.js token colors (mapped to design tokens) ---------- */
.hljs-keyword, .hljs-selector-tag, .hljs-built_in { color: #7AA2FF; }
.hljs-string, .hljs-addition, .hljs-attr { color: #34D399; }
.hljs-comment { color: #5C6B8C; font-style: italic; }
.hljs-function .hljs-title, .hljs-title { color: #FBBF24; }
.hljs-variable, .hljs-params { color: #C7D2EE; }
.hljs-number, .hljs-literal { color: #F0A7FF; }
.hljs-meta { color: #5C6B8C; }
.hljs-section { color: #E7ECF7; font-weight: 600; }
.hljs-link { color: #7AA2FF; text-decoration: underline; }

/* ---------- macOS-style screenshot wrapper ---------- */
.screenshot-wrapper {
  position: relative;
  margin: 24px 0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3), 0 1px 3px rgba(0,0,0,0.2);
}

.screenshot-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: linear-gradient(180deg, #1a2320 0%, #111a17 100%);
  border-bottom: 1px solid var(--border-subtle);
}

.screenshot-dots {
  display: flex;
  gap: 7px;
}

.screenshot-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transition: opacity 0.15s ease;
}

.screenshot-dot.red {
  background: #ff5f57;
  box-shadow: 0 0 0 1px rgba(255,95,87,0.3);
}

.screenshot-dot.yellow {
  background: #ffbd2e;
  box-shadow: 0 0 0 1px rgba(255,189,46,0.3);
}

.screenshot-dot.green {
  background: #28c840;
  box-shadow: 0 0 0 1px rgba(40,200,64,0.3);
}

.screenshot-wrapper:hover .screenshot-dot.red { opacity: 1; }
.screenshot-wrapper:hover .screenshot-dot.yellow { opacity: 1; }
.screenshot-wrapper:hover .screenshot-dot.green { opacity: 1; }

.screenshot-titlebar-text {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
  font-family: var(--font-body);
  letter-spacing: 0.01em;
}

.screenshot-url-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 40px;
  padding: 4px 10px;
  background: var(--bg-elevated);
  border-radius: 5px;
  border: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-tertiary);
}

.screenshot-url-bar svg {
  width: 12px;
  height: 12px;
  opacity: 0.5;
}

.screenshot-body {
  padding: 0;
  background: var(--bg-canvas);
}

.screenshot-body img {
  display: block;
  width: 100%;
  height: auto;
  border: none;
  margin: 0;
}

/* Compact variant for smaller screenshots */
.screenshot-wrapper.compact .screenshot-titlebar {
  padding: 6px 10px;
}

.screenshot-wrapper.compact .screenshot-dot {
  width: 10px;
  height: 10px;
}

.screenshot-wrapper.compact .screenshot-titlebar-text {
  font-size: 11px;
}

/* Light mode support */
@media (prefers-color-scheme: light) {
  .screenshot-titlebar {
    background: linear-gradient(180deg, #e8e8e8 0%, #d4d4d4 100%);
    border-bottom-color: #c0c0c0;
  }

  .screenshot-titlebar-text {
    color: #666;
  }

  .screenshot-url-bar {
    background: #fff;
    border-color: #ccc;
    color: #666;
  }

  .screenshot-body {
    background: #fff;
  }
}