:root {
  --bg: #f7f3ee;
  --bg-2: #fbfaf6;
  --text: #1a1c1f;
  --muted: #6c6f75;
  --accent: #2a6f5b;
  --rule: #e4ddd4;
  --tag-bg: #efe8de;
  --sidebar: 180px;
  --layout-gap: 28px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "IBM Plex Mono", "JetBrains Mono", "Fira Code", "SF Mono", Menlo, monospace;
  color: var(--text);
  background-image:
    radial-gradient(800px 400px at 10% -10%, #e8f1ec 0%, transparent 60%),
    radial-gradient(900px 500px at 110% -10%, #efe7f0 0%, transparent 65%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  min-height: 100vh;
}

.site-header,
.site-footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 20px 20px 0;
}

.site-header {
  padding-top: 36px;
}

.site-title {
  font-size: 18px;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  color: var(--text);
  text-decoration: none;
}

.header-inner {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  gap: var(--layout-gap);
  align-items: start;
}

.header-spacer {
  min-height: 1px;
}

.footer-inner {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  gap: var(--layout-gap);
  align-items: start;
}

.footer-spacer {
  min-height: 1px;
}

.layout {
  max-width: 980px;
  margin: 0 auto;
  padding: 10px 20px 0;
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  gap: var(--layout-gap);
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
}

.content {
  padding-bottom: 32px;
  min-width: 0;
}

.post-list {
  display: grid;
  gap: 20px;
}

.post {
  padding: 16px 0;
  animation: rise 0.5s ease both;
  animation-delay: calc(var(--i) * 40ms);
}

.post-body {
  font-size: 15px;
  line-height: 1.6;
}

.post-body p {
  margin: 0 0 12px;
}

.post-body p:last-child {
  margin-bottom: 0;
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
}

.tags a {
  display: inline-block;
  padding: 3px 8px;
  background: var(--tag-bg);
  color: var(--accent);
  text-decoration: none;
  font-size: 12px;
  border-radius: 999px;
}

.post-date {
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--muted);
}

.list-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 14px;
}

.pagination {
  display: flex;
  gap: 16px;
  margin: 24px 0 0;
}

.pagination a,
.backlink a {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
}

.backlink {
  margin-top: 16px;
}

.site-footer {
  padding: 0 20px 36px;
  color: var(--muted);
  font-size: 12px;
}

.calendar {
  border: 1px solid var(--rule);
  padding: 12px;
  background: transparent;
}

.calendar-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 10px;
}

.calendar-title-text {
  flex: 1;
  text-align: center;
}

.calendar-nav {
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--muted);
  width: 22px;
  height: 22px;
  line-height: 20px;
  border-radius: 4px;
  cursor: pointer;
}

.calendar-nav:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  font-size: 11px;
}

.calendar-head {
  text-align: center;
  color: var(--muted);
}

.calendar-day,
.calendar-pad {
  text-align: center;
  padding: 4px 0;
  border-radius: 4px;
}

.calendar-link,
.calendar-text {
  display: block;
  position: relative;
  color: inherit;
  text-decoration: none;
}

.calendar-day.has-post .calendar-link {
  color: var(--accent);
  font-weight: 600;
  background: var(--tag-bg);
  border-radius: 4px;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 600px) {
  .site-header,
  .site-footer,
  .layout {
    padding-left: 16px;
    padding-right: 16px;
  }

  .post {
    padding: 14px 0;
  }

  .layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .sidebar {
    position: static;
  }

  .header-inner {
    grid-template-columns: 1fr;
  }

  .header-spacer {
    display: none;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-spacer {
    display: none;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121316;
    --bg-2: #0f1113;
    --text: #e8e4dd;
    --muted: #9aa0a6;
    --accent: #8bd4b3;
    --rule: #2a2d33;
    --tag-bg: #1b1f24;
  }

  body {
    background-image:
      radial-gradient(800px 400px at 10% -10%, #16221e 0%, transparent 60%),
      radial-gradient(900px 500px at 110% -10%, #1a1a22 0%, transparent 65%),
      linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  }
}