* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #57713b;
  --color-secondary: #3a4d25;
  --color-accent: #c8daa8;
  --color-bg: #fcfdf8;
  --color-surface: #f4f7ee;
  --color-text: #252e18;
  --color-text-muted: #6e7d5a;
  --color-border: #d0d8c2;
  --font-main: 'Trebuchet MS', 'Lucida Sans', 'Lucida Grande', sans-serif;
  --max-width: 1100px;
  --radius: 0;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: var(--spacing-sm);
}

h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background-color: var(--color-primary);
  transform: translateX(-10px);
}

h2 {
  font-size: 2rem;
  margin-top: var(--spacing-lg);
  font-family: 'Courier New', monospace;
}

h3 {
  font-size: 1.5rem;
  margin-top: var(--spacing-md);
  color: var(--color-primary);
}

h4 {
  font-size: 1.25rem;
  margin-top: var(--spacing-md);
}

h5 {
  font-size: 1.1rem;
  margin-top: var(--spacing-sm);
}

h6 {
  font-size: 1rem;
  margin-top: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: var(--spacing-md);
  max-width: 70ch;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
  position: relative;
}

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

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

strong {
  font-weight: 700;
  color: var(--color-secondary);
}

em {
  font-style: italic;
  color: var(--color-text);
}

blockquote {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-surface);
  border-left: 6px solid var(--color-primary);
  position: relative;
  transform: translateX(15px);
  font-style: italic;
  color: var(--color-text-muted);
}

blockquote::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: 10px;
  bottom: 10px;
  border: 1px solid var(--color-border);
  z-index: -1;
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-secondary);
}

.site-header {
  background-color: var(--color-surface);
  border-bottom: 3px solid var(--color-primary);
  padding: var(--spacing-md) var(--spacing-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(37, 46, 24, 0.08);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.site-header h1 {
  font-size: 1.5rem;
  margin: 0;
  padding: 0;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.02em;
}

.site-header h1::after {
  display: none;
}

.site-header a {
  border: none;
}

.site-nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.site-nav a {
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: transparent;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.site-nav a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: var(--color-primary);
  transition: left 0.2s ease;
  z-index: -1;
}

.site-nav a:hover::before {
  left: 0;
}

.site-nav a:hover {
  color: var(--color-bg);
  border: none;
}

.site-main {
  flex: 1;
  padding: var(--spacing-lg) var(--spacing-sm);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.breadcrumbs {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-family: 'Courier New', monospace;
  transform: translateX(-5px);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  border: none;
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs::before {
  content: '>';
  margin-right: var(--spacing-xs);
  color: var(--color-primary);
}

.card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  position: relative;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  overflow: visible;
}

.card::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  right: -12px;
  bottom: -12px;
  background-color: var(--color-accent);
  z-index: -1;
  transition: transform 0.2s ease;
}

.card:hover {
  border-color: var(--color-primary);
}

.card:hover::after {
  transform: translate(4px, 4px);
}

.card h2, .card h3 {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--spacing-lg) 0;
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  font-size: 0.95rem;
  position: relative;
  transform: translateX(8px);
}

table::before {
  content: '';
  position: absolute;
  top: 8px;
  left: -8px;
  right: 8px;
  bottom: -8px;
  border: 1px solid var(--color-border);
  z-index: -1;
}

thead {
  background-color: var(--color-primary);
  color: var(--color-bg);
  font-family: 'Courier New', monospace;
}

th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 700;
  border-bottom: 3px solid var(--color-secondary);
}

td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

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

tbody tr:nth-child(even) {
  background-color: rgba(200, 218, 168, 0.15);
}

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

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

details {
  margin: var(--spacing-md) 0;
  border: 2px solid var(--color-border);
  background-color: var(--color-surface);
  position: relative;
  overflow: hidden;
}

details[open] {
  border-color: var(--color-primary);
}

summary {
  padding: var(--spacing-md);
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  background-color: transparent;
  transition: background-color 0.2s ease, color 0.2s ease;
  list-style: none;
  position: relative;
  user-select: none;
  font-family: 'Courier New', monospace;
}

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

summary::before {
  content: '▶';
  display: inline-block;
  margin-right: var(--spacing-sm);
  transition: transform 0.2s ease;
  color: var(--color-primary);
}

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

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

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

details > *:not(summary) {
  padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-accent);
  padding: var(--spacing-xl) var(--spacing-sm) var(--spacing-lg);
  margin-top: var(--spacing-xl);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 20px;
  background-color: var(--color-primary);
  clip-path: polygon(0 100%, 100% 100%, 98% 0, 2% 0);
}

.site-footer a {
  color: var(--color-accent);
  border-bottom-color: transparent;
}

.site-footer a:hover {
  color: var(--color-bg);
  border-bottom-color: var(--color-bg);
}

.site-footer .container {
  display: grid;
  gap: var(--spacing-lg);
}

.site-footer p {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

button, input, textarea, select {
  font-family: var(--font-main);
  font-size: 1rem;
}

button {
  background-color: var(--color-primary);
  color: var(--color-bg);
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  cursor: pointer;
  font-weight: 700;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

button::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  right: -2px;
  bottom: -2px;
  border: 2px solid var(--color-secondary);
  z-index: -1;
  transition: transform 0.2s ease;
}

button:hover {
  background-color: var(--color-secondary);
}

button:hover::after {
  transform: translate(3px, 3px);
}

button:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

input, textarea, select {
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  padding: var(--spacing-sm);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-accent);
}

ul, ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-xs);
}

code {
  background-color: var(--color-surface);
  padding: 0.2em 0.4em;
  font-family: 'Courier New', monospace;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
  font-size: 0.9em;
}

pre {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-left: 6px solid var(--color-primary);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
  position: relative;
  transform: translateX(10px);
}

pre code {
  background: none;
  border: none;
  padding: 0;
  display: block;
}

hr {
  border: none;
  height: 3px;
  background-color: var(--color-border);
  margin: var(--spacing-xl) 0;
  position: relative;
}

hr::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background-color: var(--color-primary);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

@media (min-width: 768px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  .site-header {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .site-header h1 {
    font-size: 1.75rem;
  }

  .site-nav {
    gap: var(--spacing-lg);
  }

  .site-main {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .site-footer .container {
    grid-template-columns: repeat(2, 1fr);
  }

  .card {
    padding: var(--spacing-xl);
  }

  blockquote {
    margin-left: var(--spacing-lg);
    margin-right: var(--spacing-lg);
  }

  table {
    font-size: 1rem;
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 3.5rem;
  }

  .site-header h1 {
    font-size: 2rem;
  }

  .site-main {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .site-footer .container {
    grid-template-columns: repeat(3, 1fr);
  }

  .breadcrumbs {
    font-size: 1rem;
  }

  pre {
    transform: translateX(20px);
  }

  table {
    transform: translateX(15px);
  }
}

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

  summary::before {
    transition: none;
  }

  details > *:not(summary) {
    animation: none;
  }
}

@media print {
  .site-nav, .site-footer, .breadcrumbs {
    display: none;
  }

  .site-header {
    position: static;
    border-bottom: 2px solid var(--color-text);
  }

  .site-main {
    max-width: 100%;
    padding: 0;
  }

  .container {
    max-width: 100%;
  }

  a {
    color: var(--color-text);
    text-decoration: underline;
  }

  .card::after {
    display: none;
  }

  .card {
    border: 1px solid var(--color-text);
    page-break-inside: avoid;
  }

  table {
    page-break-inside: avoid;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }
}