/* Color palette - Warm Minimal */
:root {
  --bg: #FAFAF9;
  --bg-secondary: #F5F5F4;
  --text: #1C1917;
  --text-muted: #78716C;
  --accent: #B45309;
  --accent-hover: #92400E;
  --border: #E7E5E4;
  --code-bg: #F5F5F4;
  --header-border: #1C1917;
}

[data-theme="dark"] {
  --bg: #1C1917;
  --bg-secondary: #292524;
  --text: #FAFAF9;
  --text-muted: #A8A29E;
  --accent: #F59E0B;
  --accent-hover: #FBBF24;
  --border: #44403C;
  --code-bg: #292524;
  --header-border: #F59E0B;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1C1917;
    --bg-secondary: #292524;
    --text: #FAFAF9;
    --text-muted: #A8A29E;
    --accent: #F59E0B;
    --accent-hover: #FBBF24;
    --border: #44403C;
    --code-bg: #292524;
    --header-border: #F59E0B;
  }
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Lora', Georgia, serif;
  font-size: 18px;
  line-height: 1.7;
  margin: 0;
  padding: 0;
  color: var(--text);
  background-color: var(--bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

h1 { font-size: 2em; }
h2 { font-size: 1.5em; }
h3 { font-size: 1.25em; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

p {
  margin-top: 0;
  margin-bottom: 1.25em;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-top: 3px solid var(--header-border);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-bottom: 2rem;
  transition: padding 0.3s ease, border-top-width 0.3s ease;
}

.site-header .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  transition: align-items 0.3s ease;
}

.site-title {
  margin: 0;
  font-size: 1.5em;
  transition: font-size 0.3s ease;
}

.site-title a {
  color: var(--text);
}

.site-title a:hover {
  color: var(--accent);
  text-decoration: none;
}

.site-description {
  margin: 0.25em 0 0 0;
  color: var(--text-muted);
  font-size: 0.95em;
  font-style: italic;
  transition: opacity 0.3s ease, max-height 0.3s ease;
  max-height: 2em;
  overflow: hidden;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding-top: 0.5rem;
  transition: padding-top 0.3s ease, gap 0.3s ease;
}

.page-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9em;
  transition: color 0.2s ease, font-size 0.3s ease;
}

.page-link:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Scrolled header - compact state */
.site-header.scrolled {
  padding: 0.5rem 0;
  border-top-width: 2px;
}

.site-header.scrolled .wrapper {
  align-items: center;
}

.site-header.scrolled .site-title {
  font-size: 1.1em;
}

.site-header.scrolled .site-description {
  opacity: 0;
  max-height: 0;
  margin: 0;
}

.site-header.scrolled .site-nav {
  padding-top: 0;
  gap: 1rem;
}

.site-header.scrolled .page-link {
  font-size: 0.85em;
}

.site-header.scrolled .theme-toggle {
  font-size: 0.95em;
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* Posts */
.post {
  margin-bottom: 3rem;
}

.post-title {
  margin-top: 0;
  margin-bottom: 0.25em;
}

.post-title a {
  color: var(--text);
}

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

.post-meta {
  color: var(--text-muted);
  font-size: 0.9em;
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0;
}

.post-meta-date {
  white-space: nowrap;
}

.post-meta-tags {
  display: inline;
}

.post-meta-tags::before {
  content: "·";
  margin: 0 0.2em;
}

.post-content {
  margin-top: 1.5rem;
}

/* Tags */
.tag {
  display: inline-block;
  margin-right: 0.25em;
}

.tag a {
  color: var(--text-muted);
  font-size: 0.85em;
  padding: 0.2em 0.6em;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.2s ease;
}

.tag a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* Code */
code, pre {
  font-family: 'IBM Plex Mono', 'Consolas', 'Monaco', monospace;
}

code {
  font-size: 0.875em;
  background-color: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

pre {
  background-color: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-size: 0.875em;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

/* Blockquotes */
blockquote {
  margin: 1.5em 0;
  padding: 0.5em 1.5em;
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
  font-style: italic;
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* Lists */
ul, ol {
  padding-left: 1.5em;
  margin-bottom: 1.25em;
}

li {
  margin-bottom: 0.5em;
}

/* Index page */
ul.index {
  list-style: none;
  padding-left: 0;
}

.index li {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.index li:last-child {
  border-bottom: none;
}

/* Post navigation (prev/next) */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.post-nav-prev,
.post-nav-next {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-width: 45%;
  text-decoration: none;
}

.post-nav-prev {
  align-items: flex-start;
}

.post-nav-next {
  align-items: flex-end;
  margin-left: auto;
}

.post-nav-label {
  font-size: 0.85em;
  color: var(--text-muted);
}

.post-nav-title {
  color: var(--accent);
  font-weight: 500;
}

.post-nav-prev:hover .post-nav-title,
.post-nav-next:hover .post-nav-title {
  color: var(--accent-hover);
}

/* Archive and post list pages */
.post-list .index li,
.archive .index li,
.tags-list .index li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
}

.post-list .index li a,
.archive .index li a {
  flex: 1 1 auto;
  min-width: 200px;
}

.post-list .index li .post-meta,
.archive .index li .post-meta {
  flex: 0 0 auto;
  text-align: right;
}

.archive-year {
  color: var(--text-muted);
  font-size: 1.1em;
  margin-top: 2rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.tags-index li a {
  font-weight: 500;
}

/* Archive */
.archive-link {
  float: right;
  margin-bottom: 2rem;
}

/* Footer area */
.wrapper > .archive-link {
  margin-top: 2rem;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* Horizontal rule */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* Prism.js overrides for dark mode */
[data-theme="dark"] .token.comment,
[data-theme="dark"] .token.prolog,
[data-theme="dark"] .token.doctype,
[data-theme="dark"] .token.cdata {
  color: #A8A29E;
}

[data-theme="dark"] .token.punctuation {
  color: #E7E5E4;
}

[data-theme="dark"] .token.property,
[data-theme="dark"] .token.tag,
[data-theme="dark"] .token.boolean,
[data-theme="dark"] .token.number,
[data-theme="dark"] .token.constant,
[data-theme="dark"] .token.symbol,
[data-theme="dark"] .token.deleted {
  color: #F59E0B;
}

[data-theme="dark"] .token.selector,
[data-theme="dark"] .token.attr-name,
[data-theme="dark"] .token.string,
[data-theme="dark"] .token.char,
[data-theme="dark"] .token.builtin,
[data-theme="dark"] .token.inserted {
  color: #34D399;
}

[data-theme="dark"] .token.operator,
[data-theme="dark"] .token.entity,
[data-theme="dark"] .token.url,
[data-theme="dark"] .language-css .token.string,
[data-theme="dark"] .style .token.string {
  color: #FAFAF9;
}

[data-theme="dark"] .token.atrule,
[data-theme="dark"] .token.attr-value,
[data-theme="dark"] .token.keyword {
  color: #60A5FA;
}

[data-theme="dark"] .token.function,
[data-theme="dark"] .token.class-name {
  color: #F472B6;
}

[data-theme="dark"] .token.regex,
[data-theme="dark"] .token.important,
[data-theme="dark"] .token.variable {
  color: #FBBF24;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .token.comment,
  :root:not([data-theme="light"]) .token.prolog,
  :root:not([data-theme="light"]) .token.doctype,
  :root:not([data-theme="light"]) .token.cdata {
    color: #A8A29E;
  }

  :root:not([data-theme="light"]) .token.punctuation {
    color: #E7E5E4;
  }

  :root:not([data-theme="light"]) .token.property,
  :root:not([data-theme="light"]) .token.tag,
  :root:not([data-theme="light"]) .token.boolean,
  :root:not([data-theme="light"]) .token.number,
  :root:not([data-theme="light"]) .token.constant,
  :root:not([data-theme="light"]) .token.symbol,
  :root:not([data-theme="light"]) .token.deleted {
    color: #F59E0B;
  }

  :root:not([data-theme="light"]) .token.selector,
  :root:not([data-theme="light"]) .token.attr-name,
  :root:not([data-theme="light"]) .token.string,
  :root:not([data-theme="light"]) .token.char,
  :root:not([data-theme="light"]) .token.builtin,
  :root:not([data-theme="light"]) .token.inserted {
    color: #34D399;
  }

  :root:not([data-theme="light"]) .token.operator,
  :root:not([data-theme="light"]) .token.entity,
  :root:not([data-theme="light"]) .token.url,
  :root:not([data-theme="light"]) .language-css .token.string,
  :root:not([data-theme="light"]) .style .token.string {
    color: #FAFAF9;
  }

  :root:not([data-theme="light"]) .token.atrule,
  :root:not([data-theme="light"]) .token.attr-value,
  :root:not([data-theme="light"]) .token.keyword {
    color: #60A5FA;
  }

  :root:not([data-theme="light"]) .token.function,
  :root:not([data-theme="light"]) .token.class-name {
    color: #F472B6;
  }

  :root:not([data-theme="light"]) .token.regex,
  :root:not([data-theme="light"]) .token.important,
  :root:not([data-theme="light"]) .token.variable {
    color: #FBBF24;
  }
}

/* Responsive */
@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .site-header .wrapper {
    flex-direction: column;
  }

  .site-nav {
    margin-top: 1rem;
    padding-top: 0;
  }

  /* Scrolled header on mobile - horizontal like desktop */
  .site-header.scrolled .wrapper {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .site-header.scrolled .site-title {
    font-size: 1em;
  }

  .site-header.scrolled .site-nav {
    margin-top: 0;
    gap: 0.75rem;
  }

  .site-header.scrolled .page-link {
    font-size: 0.8em;
  }

  .site-header.scrolled .theme-toggle {
    font-size: 0.9em;
  }

  h1 { font-size: 1.75em; }
  h2 { font-size: 1.35em; }

  /* Stack title and date on mobile */
  .post-list .index li,
  .archive .index li {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .post-list .index li .post-meta,
  .archive .index li .post-meta {
    text-align: left;
  }

  /* Stack date and tags on mobile for posts */
  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  .post-meta-tags::before {
    content: "";
    margin: 0;
  }
}