:root {
  --bg: #f6f1e8;
  --panel: #fffdf9;
  --line: #d9cebd;
  --text: #1f2b2a;
  --muted: #61706c;
  --accent: #0f6a5b;
  --accent-soft: #d7eee7;
  --shadow: 0 18px 40px rgba(31, 43, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(215, 238, 231, 0.85), transparent 28%),
    linear-gradient(180deg, #fbf8f2 0%, var(--bg) 100%);
  color: var(--text);
  font: 16px/1.7 "Avenir Next", "Pretendard", "Apple SD Gothic Neo", sans-serif;
}

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

.shell {
  width: min(960px, calc(100% - 32px));
  margin: 32px auto;
}

.site-header,
.content-page,
.site-footer {
  background: var(--panel);
  border: 1px solid rgba(217, 206, 189, 0.9);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

.brand {
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.site-nav a {
  text-decoration: none;
}

.content-page {
  padding: 28px;
}

.page-header {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  margin-top: 32px;
  font-size: 1.35rem;
}

ul,
ol {
  padding-left: 20px;
}

code,
pre {
  font: 0.95rem/1.6 "SFMono-Regular", "JetBrains Mono", monospace;
}

code {
  padding: 0.15rem 0.4rem;
  background: rgba(15, 106, 91, 0.08);
  border-radius: 6px;
}

pre {
  overflow-x: auto;
  padding: 16px;
  background: #1e2827;
  color: #f5f2ea;
  border-radius: 16px;
}

pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.post-meta {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  margin-top: 20px;
  padding: 18px 24px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 20px, 960px);
    margin: 20px auto;
  }

  .site-header,
  .content-page,
  .site-footer {
    border-radius: 18px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .content-page {
    padding: 22px;
  }
}