@import url("./highlight.css");
/* Shared palette and page layout. */
:root {
  color-scheme: dark;
  --bg: #111315;
  --panel: #1b1f23;
  --surface-hover: #262c33;
  --line: #343a40;
  --text: #e6edf3;
  --text-secondary: #c4ccd5;
  --muted: #a6afb9;
  --accent: #b3ef91;
  --accent-hover: #d5ffc1;
  --on-accent: #162012;
  --code-bg: #161a1e;
  --code-inline-bg: #262c33;
  --gutter-bg: #191d21;
  --gutter-text: #858f9b;
  --active-line: #20262d;
  --selection: #29384b;
  --header-bg: rgb(17 19 21 / 88%);
  --nav-bg: rgb(17 19 21 / 96%);
  --floating-bg: rgb(27 31 35 / 95%);
  --error: #ffa89a;
  font-family:
    Inter,
    Segoe UI,
    Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}
a {
  color: var(--accent);
  text-underline-offset: 4px;
}
a:hover {
  color: var(--accent-hover);
}
header {
  height: 82px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 38px;
  gap: 20px;
}
header > a:last-child {
  font-size: 0.9rem;
  color: var(--muted);
}
.brand {
  display: flex;
  align-items: center;
  color: var(--text);
  text-decoration: none;
  font-size: 1.12rem;
  font-weight: 650;
  letter-spacing: -0.4px;
}
.logo {
  background: var(--accent);
  color: var(--on-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 39px;
  height: 39px;
  border-radius: 9px;
  margin-right: 13px;
  font-family: monospace;
  font-size: 27px;
}
.logo span {
  font-size: 24px;
}
.muted {
  color: var(--muted);
  font-weight: 400;
}
.layout {
  display: grid;
  grid-template-columns: 245px minmax(0, 1fr) 190px;
  max-width: 1700px;
  margin: auto;
}
.sidebar {
  padding: 40px 24px;
  border-right: 1px solid var(--line);
}
.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.sidebar nav a {
  cursor: pointer;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
}
.sidebar nav a:hover,
.sidebar nav a[aria-current] {
  background: var(--surface-hover);
  color: var(--accent);
}
.eyebrow {
  font-size: 0.69rem;
  letter-spacing: 1.8px;
  color: var(--muted);
  font-weight: 700;
}
.sidebar .eyebrow {
  margin-left: 12px;
}
.sidebar-note {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text);
  margin: 45px 12px 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.sidebar-note span {
  color: var(--muted);
}
main {
  min-width: 0;
  padding: 42px 48px 24px;
}
h1 {
  font-size: 2.8rem;
  line-height: 1.15;
  letter-spacing: -1.5px;
  font-weight: 650;
  margin: 10px 0 28px;
}
h2 {
  font-size: 1.65rem;
  letter-spacing: -0.5px;
  margin: 2.3rem 0 1rem;
}
h3 {
  margin: 1.8rem 0 0.7rem;
}
h1,
h2,
h3,
h4 {
  scroll-margin-top: 24px;
}
p {
  margin: 0 0 1.1rem;
}
.documentation {
  max-width: 1050px;
}
.documentation h1 {
  font-size: 2.5rem;
}
.documentation p,
.documentation li {
  color: var(--text-secondary);
}
.documentation strong {
  color: var(--text);
}
.documentation :is(p, li, td) { overflow-wrap: anywhere; }
.documentation li {
  margin: 0.4rem 0;
}
.documentation img {
  max-width: 100%;
}
.documentation table {
  display: block;
  overflow: auto;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 24px 0;
}
.documentation th,
.documentation td {
  padding: 10px 14px;
  border: 1px solid var(--line);
  text-align: left;
}
.documentation th {
  background: var(--panel);
}
code {
  font-family: Consolas, SFMono-Regular, monospace;
  font-size: 0.86rem;
}
p code,
li code,
td code {
  background: var(--code-inline-bg);
  padding: 2px 5px;
  border-radius: 4px;
  color: var(--text);
}
.code-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  margin: 20px 0;
  background: var(--code-bg);
}
.code-language {
  display: block;
  padding: 7px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  color: var(--muted);
}
pre {
  padding: 17px 20px;
  overflow: auto;
  line-height: 1.65;
  margin: 0;
}
pre .hljs {
  background: transparent;
}
blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin-left: 0;
}
.anchor {
  opacity: 0;
  font-size: 0.8em;
  margin-left: 10px;
  text-decoration: none;
}
h1:hover .anchor,
h2:hover .anchor,
h3:hover .anchor,
.anchor:focus {
  opacity: 1;
}
.toc {
  padding: 46px 20px 20px 0;
}
.toc nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toc a {
  cursor: pointer;
  font-size: 0.76rem;
  text-decoration: none;
  color: var(--muted);
}
footer {
  border-top: 1px solid var(--line);
  margin-top: 54px;
  padding: 22px 0;
  color: var(--muted);
  font-size: 0.75rem;
}
footer a {
  color: var(--muted);
}
.converter-page {
  grid-column: 2/4;
  padding-right: 40px;
}
.converter-page h1 {
  font-size: clamp(2.5rem, 4vw, 4.25rem);
  margin: 16px 0 20px;
}
.accent {
  color: var(--accent);
}
.lead {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.05rem;
}
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 16px;
  margin: 32px 0 20px;
}
.toolbar label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.77rem;
  color: var(--muted);
}
select,
button {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  background: var(--panel);
  padding: 9px 14px;
  font-size: 0.85rem;
}
select {
  min-width: 165px;
}
button {
  cursor: pointer;
}
button:hover {
  border-color: var(--accent);
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
button:focus-visible,
select:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.editors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: 18px;
  margin-bottom: 34px;
}
/* The convert action sits between input and output in both layouts. */
.input-column {
  min-width: 0;
}
.editor-panel {
  border: 1px solid var(--line);
  border-radius: 9px;
  overflow: hidden;
  background: var(--code-bg);
  min-width: 0;
}
.panel-heading {
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 0.7rem;
  color: var(--muted);
  gap: 12px;
}
.panel-heading strong {
  font-size: 0.83rem;
  color: var(--text);
  margin-left: 9px;
  font-weight: 500;
}
.panel-heading button {
  font-size: 0.72rem;
  padding: 4px 9px;
}

.convert-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 16px 0 0;
}
.convert-actions p {
  margin: 0;
  font-size: 0.83rem;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.primary {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 650;
  border-color: var(--accent);
  white-space: nowrap;
}
.primary span {
  margin-left: 20px;
}
.convert-actions .error {
  color: var(--error);
}
.support {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  max-width: 960px;
}
.support h2 {
  font-size: 1.2rem;
  margin: 0 0 12px;
}
.support p {
  color: var(--muted);
  font-size: 0.85rem;
}
/* Landing page. Code blocks reuse the documentation styles. */
.landing {
  grid-column: 2/4;
  padding-right: 40px;
  max-width: 1280px;
}
.landing h1 {
  font-size: clamp(2.5rem, 4.6vw, 4.6rem);
  line-height: 1.05;
  margin: 14px 0 22px;
}
.hero .lead {
  font-size: 1.15rem;
  max-width: 760px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 18px;
}
.button {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  padding: 10px 18px;
  font-size: 0.9rem;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    border-color 160ms ease;
}
.button:hover {
  color: var(--text);
  border-color: var(--accent);
}
.button.primary,
.button.primary:hover {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 650;
}
.button.primary:hover {
  background: var(--accent-hover);
}
.release {
  font-size: 0.85rem;
  color: var(--muted);
}
.showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: start;
  gap: 18px;
  margin: 36px 0 12px;
}
.showcase .code-block {
  margin: 0;
}
.showcase pre {
  font-size: 0.82rem;
}
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 44px 0;
}
.features article {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
  padding: 22px 24px 8px;
}
.features h2 {
  font-size: 1.05rem;
  letter-spacing: 0;
  margin: 0 0 10px;
}
.landing :is(.features, .install, .cta) p,
.install li {
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.landing p code,
.install li code {
  overflow-wrap: anywhere;
}
.install h2,
.cta h2 {
  font-size: 1.45rem;
  margin: 0 0 14px;
}
.install ol {
  padding-left: 22px;
  margin: 0 0 14px;
}
.install li {
  margin: 0.5rem 0;
}
.install strong {
  color: var(--text);
}
.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 44px 0 0;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 9px;
  background: var(--panel);
}
.cta p {
  margin: 0;
}
.cta .button {
  white-space: nowrap;
}
.primary span,
.button span {
  margin-left: 14px;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip {
  position: absolute;
  top: -60px;
  left: 12px;
  background: var(--accent);
  color: var(--on-accent);
  padding: 8px;
  z-index: 2;
}
.skip:focus {
  top: 10px;
}

@media (max-width: 1150px) {
  .layout {
    grid-template-columns: 210px minmax(0, 1fr);
  }
  .toc {
    display: none;
  }
  .converter-page,
  .landing {
    grid-column: 2;
  }
  main {
    padding: 32px;
  }
  .showcase,
  .features {
    grid-template-columns: minmax(0, 1fr);
  }
  .sidebar {
    padding: 28px 15px;
  }
  .editors {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 680px) {
  header {
    height: 70px;
    padding: 0 18px;
  }
  .brand {
    font-size: 0.95rem;
  }
  .logo {
    width: 30px;
    height: 32px;
    font-size: 23px;
    margin-right: 8px;
  }
  .layout {
    display: block;
  }
  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 14px 18px;
  }
  .sidebar .eyebrow,
  .sidebar-note {
    display: none;
  }
  .sidebar nav {
    flex-direction: row;
    overflow: auto;
  }
  .sidebar nav a {
    white-space: nowrap;
    font-size: 0.8rem;
    padding: 6px 10px;
  }
  main,
  .converter-page,
  .landing {
    padding: 30px 20px 12px;
  }
  .cta {
    flex-direction: column;
    align-items: start;
    padding: 22px 20px;
  }
  .hero-actions .button {
    flex: 1 1 auto;
    justify-content: center;
  }
  h1,
  .documentation h1 {
    font-size: 2rem;
  }
  .convert-actions {
    align-items: start;
    flex-direction: column;
    gap: 12px;
  }
  .toolbar {
    gap: 10px;
  }
  .toolbar label {
    flex: 1;
  }
  .toolbar select {
    width: 100%;
    min-width: 120px;
  }
  .documentation ul {
    padding-left: 22px;
  }
  pre {
    padding: 14px;
  }
  .anchor {
    opacity: 1;
  }
}

/* Documentation hierarchy. Native details retains keyboard support. */
.nav-scroll {
  position: relative;
  min-width: 0;
}
.advanced-nav summary {
  padding: 8px 12px;
  color: var(--muted);
  font-size: 0.9rem;
  border-radius: 6px;
  cursor: pointer;
}
.advanced-nav summary:hover {
  color: var(--accent);
  background: var(--surface-hover);
}
.advanced-links {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 12px;
}
.advanced-nav[open] summary {
  margin-bottom: 5px;
}

/* Locally bundled code editors. Content scrolls inside the panel. */
.editor-help {
  color: var(--muted);
  font-size: 0.75rem;
  margin: 12px 0 0;
}
.editor-panel {
  --editor-height: 390px;
}
.editor-panel:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.code-editor .cm-editor {
  height: var(--editor-height);
  background: var(--code-bg);
  color: var(--text);
}
.code-editor .cm-editor.cm-focused {
  outline: none;
}
.code-editor .cm-scroller {
  font:
    0.86rem/1.8 Consolas,
    SFMono-Regular,
    monospace;
  overflow: auto;
}
.code-editor .cm-content {
  padding: 16px 0;
  caret-color: var(--accent);
}
.code-editor .cm-line {
  padding: 0 16px;
}
.code-editor .cm-gutters {
  background: var(--gutter-bg);
  color: var(--gutter-text);
  border-right: 1px solid var(--line);
}
.code-editor .cm-activeLine {
  background: var(--active-line);
}
.code-editor .cm-selectionBackground,
.code-editor .cm-focused .cm-selectionBackground,
.code-editor .cm-content ::selection {
  background: var(--selection) !important;
}
.code-editor .cm-cursor {
  border-left-color: var(--accent);
}
.code-editor .cm-content:focus-visible {
  outline: none;
}
#delphi .cm-content {
  cursor: text;
}
@media (min-width: 1500px) {
  .editor-panel {
    --editor-height: 450px;
  }
}
@media (max-width: 1150px) {
  .editor-panel {
    --editor-height: 280px;
  }
}
@media (max-width: 680px) {
  .sidebar nav {
    align-items: center;
    scrollbar-width: thin;
  }
  .sidebar nav > a,
  .advanced-nav {
    flex: 0 0 auto;
  }
  .advanced-nav {
    white-space: nowrap;
    display: flex;
    align-items: center;
  }
  .advanced-nav::details-content {
    display: contents;
  }
  .advanced-nav:not([open]) .advanced-links {
    display: none;
  }
  .sidebar nav :is(a, summary):focus-visible {
    outline-offset: -2px;
  }
  .advanced-nav summary {
    display: inline-block;
    margin: 0;
    padding: 6px 10px;
    font-size: 0.8rem;
  }
  .advanced-nav summary::before {
    content: "▸";
    margin-right: 7px;
  }
  .advanced-nav[open] summary::before {
    content: "▾";
  }
  .advanced-nav[open] summary {
    margin: 0;
  }
  .advanced-links {
    display: inline-flex;
    flex-direction: row;
    padding-left: 0;
    gap: 5px;
  }
  .nav-scroll::after {
    content: "";
    position: absolute;
    inset: 0 0 0 auto;
    width: 32px;
    background: linear-gradient(to right, transparent, var(--bg));
    opacity: 0;
    pointer-events: none;
  }
  .nav-scroll.has-more::after {
    opacity: 1;
  }
}

/* Sticky navigation, anchor feedback and reduced motion. */
:root {
  --header-height: 82px;
  --scroll-offset: 106px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--scroll-offset);
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  box-shadow: 0 6px 24px rgb(0 0 0 / 8%);
}

.sidebar,
.toc {
  position: sticky;
  top: var(--header-height);
  align-self: start;
  max-height: calc(100dvh - var(--header-height));
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.sidebar {
  min-height: calc(100dvh - var(--header-height));
}

.sidebar nav a,
.toc a,
button,
.back-to-top {
  transition:
    background-color 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.toc nav {
  gap: 3px;
  border-left: 1px solid var(--line);
}

.toc a {
  padding: 7px 10px 7px 14px;
  border-left: 2px solid transparent;
  margin-left: -1px;
  border-radius: 0 5px 5px 0;
}

.toc a:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.toc a[aria-current="location"] {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--surface-hover);
}

/* Movement only: content is fully visible from the first frame, even where
   animations are paused or throttled. */
main {
  animation: page-arrive 220ms ease-out;
}

.documentation :is(h1, h2, h3, h4):target {
  animation: section-arrive 600ms ease-out;
  border-radius: 6px;
}

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 24px;
  z-index: 12;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--floating-bg);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 28px rgb(0 0 0 / 25%);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.8rem;
  animation: page-arrive 180ms ease-out;
}

.back-to-top[hidden] {
  display: none;
}

.back-to-top span {
  font-size: 1.1rem;
  line-height: 1;
}

.back-to-top:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
  box-shadow: 0 8px 28px rgb(0 0 0 / 35%);
}

.skip {
  position: fixed;
  z-index: 20;
}

@keyframes page-arrive {
  from {
    transform: translateY(6px);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes section-arrive {
  from {
    background: rgb(179 239 145 / 16%);
    box-shadow: 0 0 0 8px rgb(179 239 145 / 8%);
  }
  to {
    background: transparent;
    box-shadow: 0 0 0 8px transparent;
  }
}

@media (max-width: 680px) {
  :root {
    --header-height: 70px;
    --scroll-offset: 150px;
  }

  .sidebar {
    min-height: 0;
    max-height: none;
    overflow: visible;
    z-index: 9;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
  }

  .back-to-top {
    right: 18px;
    bottom: 18px;
    padding: 9px 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  main,
  .documentation :is(h1, h2, h3, h4):target,
  .back-to-top {
    animation: none;
  }

  .sidebar nav a,
  .toc a,
  button,
  .back-to-top {
    transition: none;
  }
}