@import url("https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,400;6..72,600&family=Space+Grotesk:wght@400;500;600;700&display=swap");

:root {
  color-scheme: light dark;
  --bg: #f7f5f0;
  --bg-alt: #f0ede6;
  --surface: #ffffff;
  --surface-alt: #fdfbf7;
  --text: #1f1b16;
  --muted: #6b645a;
  --border: rgba(31, 27, 22, 0.08);
  --accent: #0f6fff;
  --accent-dark: #0b4fd1;
  --chip: #eef3ff;
  --chip-alt: #eaf7f1;
  --chip-muted: #f2efe9;
  --shadow: 0 20px 50px rgba(27, 22, 16, 0.08);
  --radius-lg: 24px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Newsreader", "Noto Serif SC", serif;
  background: radial-gradient(circle at 10% 10%, #ffffff 0%, var(--bg) 45%, #ece7dc 100%);
  color: var(--text);
  line-height: 1.7;
}

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

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(247, 245, 240, 0.8);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav a {
  margin-left: 18px;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: 0.95rem;
  color: var(--muted);
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.7fr);
  gap: 28px;
  margin: 40px 0 32px;
  align-items: stretch;
}

.hero-text h1 {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: clamp(2.4rem, 3.6vw, 3.6rem);
  margin: 8px 0 12px;
}

.eyebrow {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin: 0 0 8px;
}

.subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 18px;
}

.hero-meta {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--muted);
}

.hero-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.hero-label {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-weight: 600;
  margin: 0 0 8px;
}

.index-content > ul {
  list-style: none;
  padding: 0;
  margin: 0 0 80px;
  display: grid;
  gap: 14px;
}

.index-content > ul > li {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.index-content > ul > li:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.index-content > ul > li em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.index-content > ul > li a {
  color: var(--text);
  font-weight: 600;
  flex: 1 1 auto;
}

.post {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px;
  width: min(960px, 100%);
  margin: 40px auto 80px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.post-hero h1 {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: clamp(2rem, 3vw, 3rem);
  margin: 8px 0 8px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.meta-dot {
  opacity: 0.6;
}

.post-desc {
  margin-top: 16px;
  padding: 18px 20px;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
}

.post-desc p {
  margin: 0;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.chip {
  background: var(--chip);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.chip-alt {
  background: var(--chip-alt);
}

.chip-muted {
  background: var(--chip-muted);
}

.post-body {
  margin-top: 30px;
}

.post-body h1,
.post-body h2,
.post-body h3,
.post-body h4 {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  margin-top: 32px;
}

.post-body blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  color: var(--muted);
  margin-left: 0;
}

.post-body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 18px auto;
}

pre {
  background: #121211;
  color: #f6f3ee;
  padding: 18px;
  border-radius: 12px;
  overflow-x: auto;
}

code {
  background: #f2eee6;
  padding: 2px 6px;
  border-radius: 6px;
}

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

.post-footer {
  margin-top: 32px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.back-link {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  color: var(--muted);
}

.site-footer {
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --bg-alt: #151a22;
    --surface: #151b23;
    --surface-alt: #1a212b;
    --text: #f2efe8;
    --muted: #b4aea4;
    --border: rgba(242, 239, 232, 0.12);
    --accent: #6aa4ff;
    --accent-dark: #8fb8ff;
    --chip: #1d2a3f;
    --chip-alt: #1a3128;
    --chip-muted: #24201a;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  }

  body {
    background: radial-gradient(circle at 10% 10%, #1b2330 0%, var(--bg) 45%, #0b0e13 100%);
  }

  .site-header {
    background: rgba(15, 18, 22, 0.8);
  }

  pre {
    background: #0c0f14;
    color: #f6f3ee;
  }

  code {
    background: #1f1c17;
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .index-content > ul > li {
    flex-direction: column;
    align-items: flex-start;
  }
}