:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-alt: #f5f6f8;
  --fg: #1a1d23;
  --fg-muted: #565d6b;
  --border: #e2e5ea;
  --accent: #0b5cff;
  --accent-fg: #ffffff;
  --code-bg: #f0f2f5;
  --card-bg: #ffffff;
  --success: #1a7f37;
  --success-bg: #e6f6ea;
  --danger: #c62828;
  --danger-bg: #fdecea;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 8px 24px rgba(16, 24, 40, 0.16), 0 2px 6px rgba(16, 24, 40, 0.1);
  --radius: 10px;
  --maxw: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115;
    --bg-alt: #161922;
    --fg: #e7e9ee;
    --fg-muted: #9aa2b1;
    --border: #262b36;
    --accent: #5b9dff;
    --accent-fg: #0b1220;
    --code-bg: #1a1e28;
    --card-bg: #161922;
    --success: #4cc06b;
    --success-bg: #10291a;
    --danger: #ff6b6b;
    --danger-bg: #2a1414;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.4);
  }
}

:root[data-theme="dark"] {
  --bg: #0f1115;
  --bg-alt: #161922;
  --fg: #e7e9ee;
  --fg-muted: #9aa2b1;
  --border: #262b36;
  --accent: #5b9dff;
  --accent-fg: #0b1220;
  --code-bg: #1a1e28;
  --card-bg: #161922;
  --success: #4cc06b;
  --success-bg: #10291a;
  --danger: #ff6b6b;
  --danger-bg: #2a1414;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.4);
}

:root,
:root[data-theme="dark"],
:root:not([data-theme="light"]) {
  transition: background-color 0.15s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a:hover {
  text-decoration: underline;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

code {
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 5px;
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

p,
.card p,
.modal-tagline {
  overflow-wrap: anywhere;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 0.86em;
}

pre code {
  background: none;
  padding: 0;
}

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

header.site {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 8px;
  padding: 14px 0;
}

.nav .brand {
  font-weight: 700;
  font-size: 15px;
  color: var(--fg);
  white-space: nowrap;
}

.nav .brand:hover {
  text-decoration: none;
}

.nav .links {
  display: flex;
  gap: 18px;
  font-size: 14px;
  flex-wrap: wrap;
}

.hero {
  padding: 64px 0 40px;
}

.hero .badges {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hero .badges img {
  height: 20px;
  display: block;
}

.hero h1 {
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.hero p.lead {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 720px;
  margin: 0 0 28px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border);
}

.btn:hover {
  text-decoration: none;
}

.btn.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
}

.btn.secondary {
  background: var(--bg-alt);
  color: var(--fg);
}

html {
  scroll-behavior: smooth;
}

section {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  scroll-margin-top: 64px;
}

section h2 {
  font-size: 24px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

section .section-lead {
  color: var(--fg-muted);
  margin: 0 0 28px;
  max-width: 720px;
}

.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 24px 0;
}

.pipeline .step {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
}

.pipeline .arrow {
  color: var(--fg-muted);
  font-size: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
}

.card p {
  margin: 0 0 10px;
  color: var(--fg-muted);
  font-size: 13.5px;
}

.card code.path {
  display: block;
  font-size: 12px;
  word-break: break-all;
}

.cat-heading {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  margin: 32px 0 14px;
  font-weight: 700;
}

.cat-heading:first-child {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

footer.site {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
  color: var(--fg-muted);
  font-size: 13.5px;
}

footer.site a {
  color: var(--fg-muted);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 720px) {
  .two-col {
    grid-template-columns: 1fr;
  }
  .nav .links {
    gap: 14px;
  }
}

/* ---------- nav additions: theme toggle + scrollspy ---------- */

.nav .links a.active {
  color: var(--fg);
  font-weight: 600;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--fg);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  flex-shrink: 0;
}

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

/* ---------- code blocks: copy button ---------- */

.code-block {
  position: relative;
}

.code-block pre {
  margin: 0;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.12s ease;
}

.code-block:hover .copy-btn,
.copy-btn:focus-visible {
  opacity: 1;
}

.copy-btn.copied {
  color: var(--success);
  border-color: var(--success);
  opacity: 1;
}

/* ---------- catalog: search + filter pills ---------- */

.catalog-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

#catalogSearch,
#demoSearch {
  width: 100%;
  max-width: 420px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--fg);
  font-size: 14px;
}

#catalogSearch:focus,
#demoSearch:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--fg-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.pill.active {
  background: var(--accent);
  border-color: transparent;
  color: var(--accent-fg);
}

.card.catalog-card {
  cursor: pointer;
  text-align: left;
  width: 100%;
  font: inherit;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.card.catalog-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.card.catalog-card .kind-badge {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 6px;
}

/* ---------- modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 16, 0.55);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 5vh 16px;
  z-index: 100;
  overflow-y: auto;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-width: 680px;
  width: 100%;
  padding: 28px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--fg);
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
}

.modal-box h3 {
  margin: 0 0 4px;
  font-size: 20px;
  padding-right: 36px;
}

.modal-box .modal-kind {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}

.modal-box .modal-tagline {
  color: var(--fg-muted);
  margin: 0 0 18px;
}

.modal-box h4 {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  margin: 20px 0 8px;
}

.modal-box h4:first-of-type {
  margin-top: 0;
}

/* ---------- live demo ---------- */

.demo-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.demo-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.btn.small {
  padding: 7px 12px;
  font-size: 13px;
}

.demo-table-wrap {
  overflow-x: auto;
}

table.demo-table {
  min-width: 640px;
}

table.demo-table th {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

table.demo-table th .sort-arrow {
  color: var(--accent);
  margin-left: 4px;
}

table.demo-table td {
  font-size: 13.5px;
}

table.demo-table tbody tr.row-selected {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

table.demo-table tbody tr.row-error td {
  background: color-mix(in srgb, var(--danger) 7%, transparent);
}

.row-error-msg {
  color: var(--danger);
  font-size: 12px;
  margin-top: 3px;
  display: block;
}

td.editable-cell {
  cursor: text;
}

td.editable-cell:hover {
  outline: 1px dashed var(--fg-muted);
  outline-offset: -2px;
}

td.editable-cell input {
  width: 100%;
  padding: 4px 6px;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: var(--bg);
  color: var(--fg);
  font-size: 13.5px;
}

.demo-bulkbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  font-size: 13.5px;
}

.demo-bulkbar[hidden] {
  display: none;
}

.demo-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-muted);
}

.pending-edits-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--success-bg);
  border-top: 1px solid var(--border);
  font-size: 13.5px;
}

.pending-edits-bar[hidden] {
  display: none;
}

/* ---------- toast stack ---------- */

.toast-stack {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 200;
  max-width: 320px;
}

.toast {
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  font-size: 13.5px;
  color: #fff;
  animation: toast-in 0.15s ease;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--danger);
}

.toast.info {
  background: var(--accent);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .modal-box {
    padding: 22px;
  }
  .demo-pagination {
    flex-wrap: wrap;
  }
}