:root {
  --bg: #f5f0e6;
  --ink: #1b1a1a;
  --muted: #5a5652;
  --accent: #1f6f5c;
  --accent-2: #c1662f;
  --card: #ffffff;
  --border: #d8d0c3;
  --code-bg: #1a1a1a;
  --code-ink: #e9e6df;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Source Sans 3", "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #f5f0e6 0%, #efe7da 45%, #f5f0e6 100%);
  color: var(--ink);
  line-height: 1.6;
}

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

a:hover {
  color: var(--accent-2);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 6vw 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-title {
  font-family: "IBM Plex Serif", "Source Serif 4", "Georgia", serif;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-main {
  padding: 3rem 6vw 4rem;
  max-width: 980px;
  margin: 0 auto;
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 18px 60px rgba(31, 33, 40, 0.08);
}

.hero h1 {
  font-family: "IBM Plex Serif", "Source Serif 4", "Georgia", serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0;
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
}

.section-title {
  margin: 3rem 0 1rem;
  font-size: 1.5rem;
  font-family: "IBM Plex Serif", "Source Serif 4", "Georgia", serif;
}

.post-list {
  display: grid;
  gap: 1.5rem;
}

.post-card {
  padding: 1.5rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-thumb {
  display: block;
  margin: -1.5rem -1.5rem 1rem;
  border-radius: 14px 14px 0 0;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.post-thumb img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.post-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(31, 33, 40, 0.12);
}

.post-card h3 {
  margin-top: 0;
}

.post-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--muted);
}

.post-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.post-bar .post-tags {
  margin-top: 0;
}

.post-actions {
  margin-left: auto;
}

.share-button {
  font: inherit;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f3ede3;
  color: var(--ink);
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.share-button:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.share-button[data-copied="true"] {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.post-content h1 {
  font-family: "IBM Plex Serif", "Source Serif 4", "Georgia", serif;
  font-size: clamp(2rem, 3.8vw, 2.8rem);
}

.post-content pre {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 1.2rem;
  border-radius: 12px;
  overflow-x: auto;
}

.post-content code {
  font-family: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", monospace;
  font-size: 0.9rem;
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #9da2a6;
}

.token.keyword,
.token.operator,
.token.boolean {
  color: #8fd3ff;
}

.token.string,
.token.char,
.token.attr-value,
.token.regex,
.token.variable {
  color: #ffd479;
}

.token.function,
.token.class-name,
.token.tag {
  color: #7fe3b4;
}

.token.number,
.token.constant,
.token.symbol,
.token.attr-name {
  color: #ff9fb1;
}

.code-block {
  position: relative;
}

.code-block .copy-code {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  font: inherit;
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(20, 20, 20, 0.8);
  color: #fff;
  cursor: pointer;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.code-block:hover .copy-code,
.code-block:focus-within .copy-code {
  opacity: 1;
  transform: translateY(0);
}

.code-block .copy-code:hover {
  background: rgba(20, 20, 20, 0.95);
}

.code-block .copy-code[data-copied="true"] {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.post-content img,
.post-content video {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  margin-left: 0;
  padding-left: 1rem;
  color: var(--muted);
}

.view-count {
  font-size: 0.85rem;
  color: var(--muted);
}

.post-tags,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f9f6f0;
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: lowercase;
}

.tag:hover {
  color: var(--accent-2);
  border-color: var(--accent-2);
}

.site-footer {
  padding: 2rem 6vw 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

form {
  display: grid;
  gap: 1rem;
  max-width: 520px;
}

form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

input,
textarea {
  font: inherit;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  width: 100%;
}

button {
  font: inherit;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:hover {
  background: var(--accent-2);
}

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

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    flex-wrap: wrap;
  }
}