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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  color-scheme: dark;
  tab-size: 2;
  scrollbar-gutter: stable;
  line-height: 1.5;
}

body {
  font-family: system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

:where(a) {
  color: inherit;
  text-underline-offset: 0.2ex;
}

:where(ul, ol) {
  list-style: none;
}

:where(img, svg) {
  display: block;
  max-inline-size: 100%;
  block-size: auto;
}

:where(p, h1, h2, h3, h4, h5, h6) {
  overflow-wrap: break-word;
}

:where(h1, h2, h3) {
  line-height: calc(1em + 0.5rem);
  text-wrap: balance;
}

:where(:focus-visible) {
  outline: 3px solid CanvasText;
  box-shadow: 0 0 0 5px Canvas;
  outline-offset: 1px;
}

body {
  background-color: #121212;
  color: #f5f5f5;
  min-height: 100vh;
}

.header {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo {
  padding: 20px;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.logo:hover {
  transform: scale(1.1);
  opacity: 0.8;
}

.postList {
  list-style: none;
  padding: 0;
  margin: 3rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.postListItem {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: min(800px, 100%);
  padding: 0.75rem 0;
  font-size: 1.1rem;
  line-height: 1.7;
  color: #e6e6e6;
  transition: opacity 0.2s ease;
}

.postListItem:hover {
  opacity: 0.8;
}

.postLink {
  font-weight: 700;
  font-size: 1.25rem;
  color: #7fb3ff;
  text-decoration: none;
}

.postLink:hover {
  color: #c2ddff;
  text-decoration: underline;
}

.postDate {
  font-size: 1.1rem;
  color: #c4c4c4;
}

.pagination {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.paginationList {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0;
  margin: 0;
}

.paginationItem {
  display: flex;
}

.paginationLink {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  text-decoration: none;
  color: #0066cc;
  transition: all 0.2s ease;
}

.paginationLink:hover {
  background-color: #f0f0f0;
  border-color: #999;
}

.paginationLink:active {
  color: #0052a3;
}

.paginationCurrent {
  background-color: #0066cc;
  color: white;
  border-color: #0066cc;
  cursor: default;
  pointer-events: none;
}

.paginationPrev,
.paginationNext {
  font-weight: 500;
}

@media (max-width: 640px) {
  .paginationList {
    gap: 0.25rem;
  }

  .paginationLink {
    padding: 0.4rem 0.6rem;
    font-size: 0.9rem;
  }
}

.container {
  max-width: 65ch;
  margin: 0 auto;
  padding: 0 1rem;
}

.backButton {
  display: inline-block;
  padding: 0.5rem 0;
  margin: 1rem 0 1.5rem 0;
  color: #4a9eff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.backButton:hover {
  color: #71b5ff;
  text-decoration: underline;
}

.article {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #e6e6e6;
}

.article h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #f0f0f0;
  padding-bottom: 0.75rem;
}

.article h2 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.875rem;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: #e8e8e8;
  padding-bottom: 0.5rem;
}

.article h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  color: #e8e8e8;
  padding-bottom: 0.5rem;
}

.article h4 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
  color: #e0e0e0;
  padding-bottom: 0.4rem;
}

.article h5 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
  color: #d8d8d8;
  padding-bottom: 0.4rem;
}

.article h6 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
  color: #d0d0d0;
  padding-bottom: 0.4rem;
}

.article p {
  margin-bottom: 1rem;
}

.article a {
  color: #7fb3ff;
  text-decoration: underline;
}

.article a:hover {
  color: #c2ddff;
}

.article code {
  background: #1f1f1f;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  border: 1px solid #3a3a3a;
  font-size: 0.9em;
  font-family: "Courier New", monospace;
  color: #f5f5f5;
}

.article pre {
  background: #111;
  padding: 1rem;
  border-radius: 5px;
  border: 1px solid #2d2d2d;
  overflow-x: auto;
  margin-bottom: 1rem;
  color: #f5f5f5;
}

.article pre code {
  background: none;
  padding: 0;
  border: none;
  display: block;
}

.article ul {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
  list-style: disc;
}

.article ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
  list-style: decimal;
}

.article li {
  letter-spacing: 0.01em;
}

.article blockquote {
  border-left: 5px solid #7fb3ff;
  padding: 0.75rem 0 0.125rem 1.25rem;
  margin: 1.5rem 0;
  background: rgba(127, 179, 255, 0.08);
  color: #d8d8d8;
  font-style: italic;
  border-radius: 0 3px 3px 0;
}

.article img {
  max-width: 100%;
  height: auto;
  margin: 1rem 0;
}

.article hr {
  border: none;
  border-top: 1px solid #444;
  margin: 2rem 0;
}