/* Joe Rutkowski — Notes. Ported from the Lovable "Joe's Code Notes" project
   (design tokens and reading/code styles verbatim; Tailwind utilities translated). */

:root {
  color-scheme: dark;
  --background: oklch(0.165 0.008 260);
  --foreground: oklch(0.925 0.003 260);
  --card: oklch(0.203 0.008 260);
  --muted-foreground: oklch(0.685 0.008 260);
  --accent-foreground: oklch(0.83 0.1 205);
  --border: oklch(0.29 0.008 260);
  --border-60: color-mix(in oklch, var(--border) 60%, transparent);
  --border-70: color-mix(in oklch, var(--border) 70%, transparent);

  /* orbit mark: the one small nod to the splash gradient */
  --orbit-a: oklch(0.72 0.17 350);
  --orbit-b: oklch(0.7 0.15 300);
  --orbit-c: oklch(0.78 0.11 205);

  /* code surface */
  --code-bg: oklch(0.195 0.008 260);
  --code-border: oklch(0.285 0.008 260);
  --code-fg: oklch(0.9 0.005 260);

  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-color: var(--border);
}

html {
  background-color: #0e0f11;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: oklch(0.45 0.08 205);
  color: oklch(0.97 0 0);
}

a {
  color: var(--accent-foreground);
  text-decoration-color: color-mix(in oklch, var(--accent-foreground) 45%, transparent);
  text-underline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ---------- chrome ---------- */

.shell {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

.site-header {
  border-bottom: 1px solid var(--border-70);
}

.site-header-inner {
  max-width: 76ch;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.75rem 1.25rem;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.site-brand svg {
  flex-shrink: 0;
}

.site-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.site-name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--foreground);
}

.site-handle {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: normal;
  color: var(--muted-foreground);
}

.site-tagline {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted-foreground);
}

.container {
  max-width: 76ch;
  margin: 0 auto;
  padding: 3.5rem 1.25rem;
}

.site-footer {
  margin-top: 6rem;
  border-top: 1px solid var(--border-70);
}

.site-footer-inner {
  max-width: 76ch;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted-foreground);
}

.site-footer nav {
  display: flex;
  gap: 1.25rem;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer a:hover {
  color: var(--accent-foreground);
}

/* ---------- post index ---------- */

.index-intro {
  margin: 0;
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.625;
  color: var(--muted-foreground);
}

.post-list {
  margin: 3.5rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border-60);
}

.post-list li {
  padding: 2rem 0;
}

.post-list li + li {
  border-top: 1px solid var(--border-60);
}

.post-link {
  display: block;
  text-decoration: none;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 0.75rem;
  row-gap: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-foreground);
}

.post-item-title {
  margin: 0.5rem 0 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--foreground);
  transition: color 0.15s ease;
}

.post-link:hover .post-item-title {
  color: var(--accent-foreground);
}

.post-item-desc {
  margin: 0.5rem 0 0;
  max-width: 64ch;
  font-size: 0.98rem;
  line-height: 1.625;
  color: var(--muted-foreground);
}

.tag-row {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  border-radius: 0.25rem;
  border: 1px solid var(--border-70);
  background: var(--card);
  padding: 0.15rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted-foreground);
}

/* ---------- post page ---------- */

.back-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 0.15s ease;
}

.back-link:hover {
  color: var(--accent-foreground);
}

.post-header {
  margin-top: 2rem;
  border-bottom: 1px solid var(--border-60);
  padding-bottom: 2rem;
}

.post-title {
  margin: 0.75rem 0 0;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--foreground);
}

.post-header .tag-row {
  margin-top: 1rem;
}

.post-nav {
  margin-top: 5rem;
  display: grid;
  gap: 1rem;
  border-top: 1px solid var(--border-60);
  padding-top: 2rem;
}

.post-nav a {
  display: block;
  text-decoration: none;
  color: var(--muted-foreground);
  transition: color 0.15s ease;
}

.post-nav a:hover {
  color: var(--foreground);
}

.post-nav .nav-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.post-nav .nav-title {
  margin-top: 0.25rem;
  display: block;
  font-size: 0.95rem;
  color: var(--foreground);
}

@media (min-width: 640px) {
  .post-nav {
    grid-template-columns: 1fr 1fr;
  }

  .post-nav .next {
    text-align: right;
  }
}

/* ---------- long-form reading styles ---------- */

.prose-notes {
  max-width: 70ch;
  margin-top: 2.5rem;
  color: var(--foreground);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.prose-notes > * + * {
  margin-top: 1.35em;
}

.prose-notes h2 {
  margin-top: 2.75em;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--foreground);
}

.prose-notes h3 {
  margin-top: 2.25em;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--foreground);
}

.prose-notes h2 + *,
.prose-notes h3 + * {
  margin-top: 0.85em;
}

.prose-notes strong {
  color: var(--foreground);
  font-weight: 650;
}

.prose-notes ul,
.prose-notes ol {
  padding-left: 1.35rem;
}

.prose-notes ul {
  list-style: disc;
}

.prose-notes ol {
  list-style: decimal;
}

.prose-notes li + li {
  margin-top: 0.4em;
}

.prose-notes li::marker {
  color: var(--muted-foreground);
}

.prose-notes blockquote {
  margin-left: 0;
  margin-right: 0;
  padding: 0.15rem 0 0.15rem 1.15rem;
  border-left: 2px solid color-mix(in oklch, var(--accent-foreground) 55%, transparent);
  color: var(--muted-foreground);
}

.prose-notes blockquote p + p {
  margin-top: 0.9em;
}

.prose-notes hr {
  border-color: var(--border);
}

.prose-notes table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.prose-notes th,
.prose-notes td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.prose-notes th {
  background: var(--card);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted-foreground);
  font-weight: 500;
}

.prose-notes :not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  padding: 0.12em 0.36em;
  border-radius: 4px;
  background: color-mix(in oklch, var(--card) 85%, transparent);
  border: 1px solid var(--code-border);
  color: color-mix(in oklch, var(--foreground) 85%, var(--accent-foreground));
}

/* ---------- code panels ---------- */

.code-panel {
  margin-top: 1.9em;
  margin-bottom: 1.9em;
  border: 1px solid var(--code-border);
  border-radius: 10px;
  background: var(--code-bg);
  overflow: hidden;
}

.code-panel-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--code-border);
  background: color-mix(in oklch, var(--code-bg) 80%, black);
}

.code-panel-lang {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.code-copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--muted-foreground);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 5px;
  padding: 0.12rem 0.45rem;
  cursor: pointer;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}

.code-copy:hover {
  color: var(--accent-foreground);
  border-color: var(--code-border);
}

.code-panel-body {
  margin: 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
}

.code-panel-body code {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.65;
  white-space: pre;
  color: var(--code-fg);
  background: none;
  padding: 0;
  border: 0;
}

/* highlight.js token colors, tuned for the near-black surface */
.hljs-comment,
.hljs-quote {
  color: oklch(0.58 0.01 260);
  font-style: italic;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-literal,
.hljs-type {
  color: oklch(0.75 0.12 310);
}

.hljs-string,
.hljs-regexp,
.hljs-addition {
  color: oklch(0.79 0.11 150);
}

.hljs-number,
.hljs-symbol {
  color: oklch(0.8 0.1 70);
}

.hljs-title,
.hljs-title.function_,
.hljs-section {
  color: oklch(0.82 0.1 250);
}

.hljs-title.class_,
.hljs-built_in,
.hljs-class .hljs-title {
  color: oklch(0.83 0.09 90);
}

.hljs-attr,
.hljs-attribute,
.hljs-variable,
.hljs-template-variable,
.hljs-property {
  color: oklch(0.82 0.08 205);
}

.hljs-params {
  color: oklch(0.86 0.02 260);
}

.hljs-deletion {
  color: oklch(0.7 0.15 25);
}

.hljs-meta {
  color: oklch(0.7 0.06 240);
}

.hljs-emphasis {
  font-style: italic;
}

.hljs-strong {
  font-weight: 600;
}