@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=Noto+Serif+KR:wght@400;500;700&family=JetBrains+Mono:wght@400;600&display=swap");

:root {
  --bg: #f0ece4;
  --card: #f5f2eb;
  --text0: #2e2b26;
  --text1: #504b44;
  --text2: #7a756d;
  --border: #c4beb4;
  --shadow: #2e2b26;
  --amber: #a89f8e;
  --amber-deep: #746b5c;
  --grid-line: rgba(46, 43, 38, 0.05);

  --serif: "Noto Serif KR", "Fraunces", "Times New Roman", serif;
  --sans: "Pretendard", "Pretendard Variable", "Avenir Next", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, monospace;

  --content-width: 680px;
  --site-width: 1100px;
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  color: var(--text0);
  font-family: var(--sans);
  line-height: 1.55;
  background-color: var(--bg);
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: 0.15em;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

::selection {
  color: var(--text0);
  background: rgba(194, 166, 118, 0.45);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  background: transparent;
  border-bottom: 3px solid var(--border);
}

.site-nav-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.45rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
}

.site-nav-brand:hover {
  text-decoration: none;
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text2);
}

.breadcrumb a:hover {
  color: var(--amber-deep);
}

.search-bar {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
}

.search-input {
  width: 100%;
  padding: 0.7rem 1rem;
  font-size: 1rem;
  font-family: var(--sans);
  border: 3px solid var(--border);
  background: var(--card);
  color: var(--text0);
  outline: none;
}

.search-input:focus,
.search-input:focus-visible {
  border-color: var(--amber-deep);
}

.search-highlight {
  background: rgba(194, 166, 118, 0.45);
  padding: 0 2px;
  border-radius: 2px;
}

.law-list {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.law-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.35rem;
}

.page-header {
  margin-bottom: 1.75rem;
  padding: 2rem 0 1.5rem;
}

.page-header h1 {
  color: var(--text0);
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-header p {
  max-width: 62ch;
  margin-top: 1rem;
  color: var(--text1);
  font-size: 1.13rem;
  line-height: 1.7;
}

.law-card {
  min-height: 100%;
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  background: var(--card);
  border: 3px solid var(--border);
  box-shadow: 6px 6px 0 var(--shadow);
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

.law-card:hover,
.law-card:focus-within {
  transform: translate(-2px, -2px);
  border-color: var(--amber-deep);
  box-shadow: 8px 8px 0 var(--shadow);
}

.law-card-title {
  color: var(--text0);
  font-family: var(--serif);
  font-size: clamp(1.4rem, 1.1rem + 0.8vw, 1.8rem);
  line-height: 1.15;
}

.law-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.law-card-link {
  margin-top: auto;
  color: var(--amber-deep);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
}

.article-page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 4.5rem;
}

.article-header {
  margin: 1rem 0 2rem;
  padding: 1.5rem;
  background: linear-gradient(145deg, rgba(194, 166, 118, 0.2), rgba(247, 240, 222, 0.95));
  border: 3px solid var(--border);
  box-shadow: 6px 6px 0 var(--shadow);
}

.article-header h1 {
  color: var(--text0);
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.article-header-meta {
  margin-top: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.article-body {
  font-size: 18px;
  line-height: 1.75;
  color: var(--text1);
}

.article-body > * + * {
  margin-top: 1.2rem;
}

.article-body h2 {
  margin-top: 2.35rem;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  color: var(--text0);
}

.article-body blockquote {
  margin: 2rem 0;
  padding: 0.35rem 0 0.35rem 1.2rem;
  border-left: 4px solid var(--amber-deep);
  color: var(--text1);
  font-family: var(--serif);
  font-style: italic;
}

.article-body blockquote p {
  color: inherit;
}

.article-body :not(pre) > code,
.article-body li > code {
  padding: 0.12em 0.35em;
  color: var(--text0);
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(194, 166, 118, 0.2);
  border: 1px solid rgba(141, 114, 72, 0.35);
  border-radius: 0.3rem;
}

.article-body pre {
  margin: 1.6rem 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  background: #f5ebd5;
  color: #3b2f20;
  border: 2px solid #c2a676;
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.article-body pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.65;
  white-space: pre;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4rem 0;
  font-size: 0.95rem;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.article-body th,
.article-body td {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  text-align: left;
  line-height: 1.5;
}

.article-body th {
  background: rgba(194, 166, 118, 0.15);
  font-weight: 700;
  color: var(--text0);
}

.treaty-tag {
  display: inline-flex;
  padding: 0.15em 0.5em;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--amber-deep);
  border: 1px solid var(--amber);
  border-radius: 999px;
  background: rgba(194, 166, 118, 0.15);
}

.source-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--amber-deep);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
}

.toc-list {
  list-style: none;
  padding: 0;
}

.toc-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(203, 182, 146, 0.4);
}

.toc-list a {
  display: flex;
  gap: 0.5rem;
  color: var(--text0);
}

.toc-list a:hover {
  color: var(--amber-deep);
  text-decoration: none;
}

.toc-number {
  min-width: 3.5rem;
  font-family: var(--mono);
  color: var(--text2);
}

.site-footer {
  max-width: var(--site-width);
  margin: 3.5rem auto 2rem;
  padding: 1.4rem 1.25rem 0;
  text-align: center;
  color: var(--text2);
  font-size: 0.95rem;
  border-top: 3px solid var(--border);
}

.site-footer a {
  color: var(--amber-deep);
  text-decoration: underline;
}

.hp-hero {
  text-align: center;
  padding: 3rem 1.25rem 2rem;
  max-width: var(--site-width);
  margin: 0 auto;
}

.hp-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1;
}

.hp-hero p {
  margin-top: 0.75rem;
  color: var(--text1);
  font-size: 1.15rem;
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
}

.hp-badges {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text2);
}

.hp-quick-tags {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.hp-quick-tags button {
  padding: 0.25rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text1);
  background: var(--card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 160ms ease;
}

.hp-quick-tags button:hover {
  border-color: var(--amber-deep);
  color: var(--text0);
}

.hp-section {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}

.hp-section h2 {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  margin-bottom: 1.25rem;
  color: var(--text0);
}

.hp-topics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.hp-topic-card {
  padding: 1rem;
  background: var(--card);
  border: 2px solid var(--border);
  box-shadow: 4px 4px 0 var(--shadow);
  transition: border-color 160ms ease;
  text-decoration: none;
  color: inherit;
}

.hp-topic-card:hover {
  border-color: var(--amber-deep);
}

.hp-topic-card strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
  color: var(--text0);
}

.hp-topic-card span {
  font-size: 0.85rem;
  color: var(--text2);
}

.hp-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.hp-feature {
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
}

.hp-feature strong {
  display: block;
  font-family: var(--serif);
  margin-bottom: 0.25rem;
  color: var(--text0);
}

.hp-feature span {
  font-size: 0.9rem;
  color: var(--text2);
}

.hp-scope {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.hp-scope-card {
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
}

.hp-scope-card strong {
  display: block;
  font-family: var(--serif);
  margin-bottom: 0.25rem;
  color: var(--text0);
}

.hp-scope-card p {
  font-size: 0.9rem;
  color: var(--text1);
  margin: 0;
}

.site-layout {
  display: flex;
  min-height: 100vh;
}

.site-sidebar {
  width: 56px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 0;
  gap: 1.25rem;
  background: var(--card);
  border-right: 2px solid var(--border);
  z-index: 50;
}

.site-sidebar-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.site-sidebar-icon:hover {
  color: var(--text0);
  border-color: var(--border);
  text-decoration: none;
}

.site-sidebar-icon.active {
  color: var(--text0);
  border-color: var(--amber-deep);
}

.site-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.law-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 0 1.25rem 4.5rem;
}

.law-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 1.5rem 1rem 2rem 0;
  border-right: 1px solid var(--border);
}

.law-sidebar .toc-list li {
  padding: 0.35rem 0;
  font-size: 0.88rem;
}

.law-sidebar .toc-list a {
  padding: 0.15rem 0.5rem;
  border-left: 2px solid transparent;
  transition: border-color 120ms ease;
}

.law-sidebar .toc-list a:hover,
.law-sidebar .toc-list a.active {
  border-left-color: var(--amber-deep);
  color: var(--amber-deep);
}

.law-content {
  padding: 0 0 0 2rem;
  min-width: 0;
}

@media (max-width: 768px) {
  .site-nav {
    padding: 0.85rem 0.9rem;
  }

  .site-sidebar {
    display: none;
  }

  .law-layout {
    grid-template-columns: 1fr;
  }

  .law-sidebar {
    position: static;
    height: auto;
    overflow-y: visible;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
  }

  .law-content {
    padding: 0;
  }

  .law-grid {
    grid-template-columns: 1fr;
  }

  .law-list,
  .article-page {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  .page-header h1 {
    font-size: clamp(1.8rem, 10vw, 2.5rem);
  }

  .article-body {
    font-size: 1rem;
    line-height: 1.8;
  }

  .site-footer {
    margin-top: 2.5rem;
  }

  .hp-topics {
    grid-template-columns: 1fr;
  }

  .hp-features {
    grid-template-columns: 1fr;
  }

  .hp-scope {
    grid-template-columns: 1fr;
  }
}