:root {
  --color-bg: #F7F3EA;
  --color-surface: #FFFFFF;
  --color-text: #14121A;
  --color-muted: #4B4656;
  --color-border: #1E1A2A;
  --color-primary: #2F2A7A;
  --color-secondary: #0E8F7A;
  --color-accent: #FF4D8D;
  --radius: 0;
  --shadow: 4px 4px 0 var(--color-border);
  --space: 1rem;
}

* {
  box-sizing: border-box;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
}

@media (min-width: 768px) {
  body {
    font-size: 18px;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 20px;
  }
}

header {
  background-color: var(--color-surface);
  border-bottom: 4px solid var(--color-border);
  padding: var(--space);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand a {
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space);
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav-links a:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-surface);
}

.nav-links a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--space) * 2) var(--space);
  display: grid;
  gap: calc(var(--space) * 2);
}

.breadcrumbs {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: var(--space);
}

.breadcrumbs a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 calc(var(--space) * 1.5) 0;
  color: var(--color-primary);
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 3rem;
  }
}

h2 {
  font-size: 1.5rem;
  line-height: 1.3;
  margin: calc(var(--space) * 2) 0 var(--space) 0;
  color: var(--color-secondary);
}

@media (min-width: 768px) {
  h2 {
    font-size: 1.75rem;
  }
}

h3 {
  font-size: 1.25rem;
  line-height: 1.4;
  margin: calc(var(--space) * 1.5) 0 var(--space) 0;
  color: var(--color-text);
}

p {
  margin: 0 0 var(--space) 0;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-secondary);
}

a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

section {
  margin-bottom: calc(var(--space) * 2);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background-color: var(--color-surface);
  border: 4px solid var(--color-border);
  box-shadow: var(--shadow);
  margin: var(--space) 0;
}

th, td {
  padding: var(--space);
  text-align: left;
  border-bottom: 2px solid var(--color-border);
  border-right: 2px solid var(--color-border);
}

th:last-child, td:last-child {
  border-right: none;
}

tbody tr:last-child td {
  border-bottom: none;
}

th {
  background-color: var(--color-primary);
  color: var(--color-surface);
  font-weight: bold;
}

tbody tr {
  transition: background-color 0.2s ease;
}

tbody tr:hover {
  background-color: var(--color-bg);
}

details {
  background-color: var(--color-surface);
  border: 4px solid var(--color-border);
  box-shadow: var(--shadow);
  margin: var(--space) 0;
}

summary {
  padding: var(--space);
  font-weight: bold;
  cursor: pointer;
  background-color: var(--color-secondary);
  color: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  transition: background-color 0.2s ease;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: '▶';
  margin-right: 0.5rem;
  transition: transform 0.2s ease;
}

details[open] summary::before {
  transform: rotate(90deg);
}

summary:hover {
  background-color: var(--color-primary);
}

summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

details p {
  padding: var(--space);
  margin: 0;
}

blockquote {
  margin: var(--space) 0;
  padding: var(--space);
  background-color: var(--color-surface);
  border-left: 6px solid var(--color-accent);
  border: 4px solid var(--color-border);
  border-left: 6px solid var(--color-accent);
  box-shadow: var(--shadow);
}

blockquote p:last-child {
  margin-bottom: 0;
}

blockquote cite {
  display: block;
  font-weight: bold;
  margin-top: var(--space);
  color: var(--color-muted);
}

footer {
  background-color: var(--color-surface);
  border-top: 4px solid var(--color-border);
  padding: var(--space);
  text-align: center;
  color: var(--color-muted);
  margin-top: calc(var(--space) * 3);
}

@media (max-width: 767px) {
  .nav-links {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  table {
    font-size: 0.9rem;
  }
  
  th, td {
    padding: 0.75rem;
  }
}

@media (min-width: 768px) {
  main {
    padding: calc(var(--space) * 3) var(--space);
  }
}

@media (min-width: 1024px) {
  main {
    padding: calc(var(--space) * 4) var(--space);
  }
}