/*
 * site.css — layout only. Every colour, size, spacing and radius comes from a custom property
 * declared in tokens.css. If you find a literal colour or a magic pixel value in here, it is a
 * bug: it would survive a design swap and quietly contradict the new palette.
 */

/* ------------------------------------------------------------------ reset */

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--line-height-body);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img,
video {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--color-accent-hover);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --------------------------------------------------------------- utilities */

.wrap {
  width: 100%;
  max-width: var(--page-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: calc(var(--space-2) * -10);
  z-index: 10;
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: top 0.1s ease-in;
}

.skip-link:focus {
  top: var(--space-2);
}

/* ------------------------------------------------------------------ header */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.site-header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-4);
}

.site-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  margin-right: auto;
}

.site-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
}

.site-nav-link:hover {
  color: var(--color-text);
}

.site-nav-link.active {
  color: var(--color-accent);
  font-weight: 600;
}

/*
 * Mobile nav: a visually hidden checkbox, a label, and a sibling selector. No script involved,
 * so it works before anything parses. theme.js only adds aria-expanded on top.
 */
.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.nav-toggle-label {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bars {
  width: var(--space-4);
  height: 1px;
  background: currentColor;
  box-shadow: 0 -4px 0 currentColor, 0 4px 0 currentColor;
}

.nav-toggle:focus-visible + .nav-toggle-label {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 40rem) {
  .nav-toggle-label {
    display: inline-flex;
    order: 2;
  }

  .theme-toggle {
    order: 3;
  }

  .site-nav {
    display: none;
    order: 4;
    width: 100%;
  }

  .nav-toggle:checked ~ .site-nav {
    display: block;
  }

  .site-nav-list {
    flex-direction: column;
    gap: var(--space-3);
    padding-block: var(--space-3);
  }
}

/* ------------------------------------------------------------ theme toggle */

.theme-toggle {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.theme-toggle[hidden] {
  display: none;
}

.theme-option {
  background: transparent;
  border: 0;
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1;
  padding: var(--space-2);
  cursor: pointer;
}

.theme-option:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.theme-option[aria-pressed="true"] {
  color: var(--color-text);
  background: var(--color-surface);
}

/* -------------------------------------------------------------------- main */

.site-main {
  flex: 1 0 auto;
  padding-block: var(--space-10) var(--space-12);
}

.page-header {
  margin-bottom: var(--space-8);
}

.page-title {
  font-size: var(--text-3xl);
  line-height: var(--line-height-heading);
  margin: 0;
}

.page-meta,
.page-summary {
  color: var(--color-text-muted);
  margin: var(--space-2) 0 0;
}

/* The repo/live link row, on a project page and on a project card. Two hooks rather than one,
   so a design can size them differently; identical until one wants to. */
.page-links,
.card-links {
  display: flex;
  gap: var(--space-4);
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
}

.section-title {
  font-size: var(--text-xl);
  line-height: var(--line-height-heading);
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.section-title a {
  color: inherit;
  text-decoration: none;
}

.section-title a:hover {
  color: var(--color-accent);
}

.home-section {
  margin-top: var(--space-12);
}

/* ------------------------------------------------------- long-form article */

.prose {
  max-width: var(--measure);
}

.prose > *:first-child {
  margin-top: 0;
}

.prose h2 {
  font-size: var(--text-2xl);
  line-height: var(--line-height-heading);
  margin: var(--space-10) 0 var(--space-4);
}

.prose h3 {
  font-size: var(--text-xl);
  line-height: var(--line-height-heading);
  margin: var(--space-8) 0 var(--space-3);
}

.prose h4 {
  font-size: var(--text-lg);
  line-height: var(--line-height-heading);
  margin: var(--space-6) 0 var(--space-2);
}

.prose h5,
.prose h6 {
  font-size: var(--text-base);
  line-height: var(--line-height-heading);
  margin: var(--space-5) 0 var(--space-2);
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose table,
.prose .code-block {
  margin-block: var(--space-4);
}

.prose li + li {
  margin-top: var(--space-2);
}

.prose blockquote {
  margin-inline: 0;
  padding: var(--space-2) var(--space-5);
  border-left: 3px solid var(--color-border);
  color: var(--color-text-muted);
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin-block: var(--space-10);
}

.prose img {
  border-radius: var(--radius-md);
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.35em;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  display: block;
  overflow-x: auto;
}

.prose th,
.prose td {
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
  text-align: left;
}

.prose th {
  background: var(--color-surface);
}

/* ------------------------------------------------------------- code blocks */

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

.code-block pre {
  margin: 0;
  padding: var(--space-4);
  overflow-x: auto;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background: none;
  border: 0;
  padding: 0;
  white-space: pre;
}

.code-copy {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.1s ease-in;
}

.code-block:hover .code-copy,
.code-copy:focus-visible,
.code-copy[data-copied="true"] {
  opacity: 1;
}

.code-copy:hover {
  color: var(--color-text);
}

.code-copy[data-copied="true"] {
  color: var(--color-accent);
}

/*
 * Syntax palette. The class names are ColorCode's scope reference names, produced server-side
 * and baked into the cached HTML — no highlighting library runs in the browser. The extras fall
 * back to one of the eight required tokens, so a design that supplies only those still works.
 */
.code-block .comment,
.code-block .htmlComment,
.code-block .xmlComment,
.code-block .xmlDocComment {
  color: var(--syntax-comment);
  font-style: italic;
}

.code-block .keyword,
.code-block .controlKeyword,
.code-block .preprocessorKeyword,
.code-block .pseudoKeyword {
  color: var(--syntax-keyword);
}

.code-block .string,
.code-block .stringCSharpVerbatim,
.code-block .jsonString,
.code-block .htmlAttributeValue,
.code-block .xmlAttributeValue {
  color: var(--syntax-string);
}

.code-block .number,
.code-block .jsonNumber {
  color: var(--syntax-number);
}

.code-block .builtinFunction,
.code-block .constructor,
.code-block .powershellCommand,
.code-block .sqlSystemFunction,
.code-block .markdownHeader {
  color: var(--syntax-function);
}

.code-block .type,
.code-block .className,
.code-block .typeVariable,
.code-block .namespace,
.code-block .predefined,
.code-block .powershellType,
.code-block .powershellVariable,
.code-block .htmlElementName,
.code-block .xmlName,
.code-block .cssSelector {
  color: var(--syntax-type);
}

.code-block .operator,
.code-block .htmlOperator,
.code-block .powershellOperator,
.code-block .specialChar,
.code-block .stringEscape {
  color: var(--syntax-operator);
}

.code-block .delimiter,
.code-block .htmlTagDelimiter,
.code-block .xmlDelimiter,
.code-block .brackets {
  color: var(--syntax-punctuation);
}

.code-block .attribute,
.code-block .jsonKey,
.code-block .htmlAttributeName,
.code-block .xmlAttribute,
.code-block .cssPropertyName,
.code-block .powershellParameter,
.code-block .powershellAttribute {
  color: var(--syntax-attribute, var(--syntax-type));
}

.code-block .builtinValue,
.code-block .jsonConst,
.code-block .htmlEntity,
.code-block .cssPropertyValue {
  color: var(--syntax-builtin, var(--syntax-keyword));
}

/* ------------------------------------------------------------------- cards */

.card-grid {
  display: grid;
  /* auto-fit, not auto-fill: empty tracks collapse, so two cards fill the row instead of
     leaving a phantom third column's worth of dead space to the right. */
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-image img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-body {
  padding: var(--space-4);
}

.card-title {
  font-size: var(--text-xl);
  line-height: var(--line-height-heading);
  margin: 0;
}

.card-title a {
  color: inherit;
  text-decoration: none;
}

.card-title a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.card-date,
.card-summary {
  margin: var(--space-2) 0 0;
}

.card-date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.card-summary {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* .card-links is grouped with .page-links in the page-header section above. */

/* --------------------------------------------------------------- blog list */

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list > li + li {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.post-row-date {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.post-row-title {
  font-size: var(--text-xl);
  line-height: var(--line-height-heading);
  margin: var(--space-1) 0 0;
}

.post-row-title a {
  color: inherit;
  text-decoration: none;
}

.post-row-title a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.post-row-summary {
  max-width: var(--measure);
  margin: var(--space-2) 0 0;
  color: var(--color-text-muted);
}

.post-footer-nav {
  margin-top: var(--space-10);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

/* ---------------------------------------------------------------- timeline */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--color-border);
}

.timeline-item {
  position: relative;
  padding-left: var(--space-6);
  padding-bottom: var(--space-10);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: calc(var(--space-2) * -0.5);
  top: var(--space-2);
  width: var(--space-2);
  height: var(--space-2);
  border-radius: 50%;
  background: var(--color-accent);
}

.timeline-role {
  font-size: var(--text-xl);
  line-height: var(--line-height-heading);
  margin: 0;
}

.timeline-company {
  display: block;
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-muted);
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-2) 0 var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* -------------------------------------------------------------------- tags */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
}

.tag {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
}

/* ------------------------------------------------------------------ footer */

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.site-footer-text {
  margin: 0;
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ------------------------------------------------------------- diagnostics */

.diagnostics-section {
  margin-top: var(--space-8);
}

.diagnostics-section h2 {
  font-size: var(--text-lg);
  line-height: var(--line-height-heading);
  margin: 0 0 var(--space-2);
}

.diagnostics-empty {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.diagnostics-list {
  margin: 0;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
}

.diagnostics-list li + li {
  margin-top: var(--space-2);
}

.diagnostics-list code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-code-bg);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.3em;
}

/* ---------------------------------------------------------------- motion */

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