/* ── reset ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ── base ── */
:root {
  --bg: #111;
  --fg: #ccc;
  --fg-dim: #777;
  --accent: #5fba7d;
  --accent-dim: #3a7a52;
  --border: #333;
  --max-width: 640px;
}

html {
  font-size: 16px;
}

body {
  font-family: "IBM Plex Mono", "Fira Code", "SF Mono", "Menlo", monospace;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  padding: 2rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ── nav ── */
nav {
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: var(--fg-dim);
  text-decoration: none;
  font-size: 0.9rem;
}

nav .site-title {
  color: var(--accent);
  font-size: 1rem;
  font-weight: 600;
  margin-right: auto;
}

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

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

nav a.active {
  color: var(--accent);
}

/* ── typography ── */
h1 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.25rem;
}

h2 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.75rem;
  margin-top: 2.5rem;
}

.greeting {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.subtitle {
  color: var(--fg-dim);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  text-decoration: underline;
}

/* ── lists ── */
ul.links {
  list-style: none;
}

ul.links li {
  margin-bottom: 0.4rem;
}

ul.links li::before {
  content: "→ ";
  color: var(--fg-dim);
}

/* ── post list ── */
.post-list {
  list-style: none;
}

.post-list li {
  margin-bottom: 1.5rem;
}

.post-list .date {
  color: var(--fg-dim);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 0.15rem;
}

.post-list a {
  font-size: 1rem;
}

/* ── project list ── */
.project {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.project:last-child {
  border-bottom: none;
}

.project h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.project h3 a {
  color: var(--fg);
}

.project h3 a:hover {
  color: var(--accent);
}

.project p {
  font-size: 0.9rem;
  color: var(--fg-dim);
  margin-bottom: 0.4rem;
}

.project .tags {
  font-size: 0.8rem;
  color: var(--accent-dim);
}

/* ── article header ── */
.post-header {
  margin-bottom: 2rem;
}

.post-header .date,
.post-header .tags {
  color: var(--fg-dim);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 0.4rem;
}

.post-header .tags {
  color: var(--accent-dim);
}

/* ── article body ── */
.post-body {
  margin-bottom: 2rem;
}

/* ── headings h3–h6 ── */
h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

h5, h6 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg-dim);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

/* ── body content lists ── */
.post-body ul,
.post-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.post-body ul {
  list-style: disc;
}

.post-body ol {
  list-style: decimal;
}

.post-body li {
  margin-bottom: 0.3rem;
}

.post-body ul ul,
.post-body ol ol,
.post-body ul ol,
.post-body ol ul {
  padding-left: 1.2rem;
  margin-bottom: 0;
  margin-top: 0.2rem;
}

/* ── blockquote ── */
blockquote {
  border-left: 3px solid var(--accent-dim);
  margin: 1.5rem 0;
  padding: 0.5rem 1rem;
  color: var(--fg-dim);
  font-style: italic;
}

blockquote p {
  margin-bottom: 0;
}

/* ── inline emphasis ── */
strong {
  color: var(--fg);
  font-weight: 700;
}

em {
  font-style: italic;
  color: var(--fg);
}

del {
  text-decoration: line-through;
  color: var(--fg-dim);
}

/* ── images ── */
.post-body img {
  max-width: 100%;
  display: block;
  border-radius: 4px;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
}

/* ── horizontal rule ── */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* ── tables ── */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--fg-dim);
  font-weight: 600;
  border-bottom: 1px solid var(--accent-dim);
}

tbody tr:hover {
  background: #1a1a1a;
}

/* ── code ── */
code {
  font-family: inherit;
  background: #1a1a1a;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
  color: var(--accent);
}

pre {
  background: #1a1a1a;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  margin-bottom: 1.2rem;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: 0.85rem;
  color: var(--fg);
}

/* ── project detail links ── */
.project-links {
  margin-bottom: 2rem;
  font-size: 0.9rem;
  color: var(--fg-dim);
}

/* ── article footer ── */
.post-footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

/* ── footer ── */
footer {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-align: center;
}

/* ── responsive ── */
@media (max-width: 480px) {
  body {
    padding: 1.5rem 1rem;
  }
}