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

:root {
  --color-primary: #b44215;
  --color-secondary: #7c2d12;
  --color-accent: #fed7aa;
  --color-bg: #fffbf7;
  --color-surface: #fef3eb;
  --color-text: #431407;
  --color-text-muted: #9a7b6a;
  --color-border: #e8d5c4;
  --font-main: 'Courier New', 'Lucida Console', Monaco, monospace;
  --max-width: 1100px;
  --radius: 2px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  border-bottom: 4px solid var(--color-primary);
  padding-bottom: var(--spacing-sm);
}

h2 {
  font-size: 2rem;
  color: var(--color-secondary);
  margin-top: var(--spacing-xl);
  border-left: 6px solid var(--color-primary);
  padding-left: var(--spacing-sm);
}

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

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

h5 {
  font-size: 1.125rem;
  margin-top: var(--spacing-md);
}

h6 {
  font-size: 1rem;
  margin-top: var(--spacing-sm);
  color: var(--color-text-muted);
}

p {
  margin-bottom: var(--spacing-md);
}

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;
  font-weight: 600;
}

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

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-muted);
}

blockquote {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 6px solid var(--color-primary);
  background: rgba(254, 215, 170, 0.2);
  backdrop-filter: blur(8px);
  font-style: italic;
  position: relative;
}

blockquote::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(180, 66, 21, 0.05), rgba(124, 45, 18, 0.05));
  pointer-events: none;
}

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

.site-header {
  background: rgba(254, 243, 235, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(67, 20, 7, 0.08);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  gap: var(--spacing-lg);
}

.site-nav a {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.site-nav a:hover {
  border-color: var(--color-primary);
  background: rgba(180, 66, 21, 0.08);
  backdrop-filter: blur(4px);
}

.site-main {
  padding: var(--spacing-xl) 0;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.site-footer {
  background: rgba(254, 243, 235, 0.9);
  backdrop-filter: blur(10px);
  border-top: 2px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.site-footer::before {
  content: '';
  display: block;
  width: 100px;
  height: 2px;
  background: var(--color-primary);
  margin: 0 auto var(--spacing-md);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm);
  background: rgba(254, 243, 235, 0.6);
  backdrop-filter: blur(6px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.breadcrumbs a {
  border: none;
}

.breadcrumbs a::after {
  content: '/';
  margin-left: var(--spacing-xs);
  color: var(--color-text-muted);
  font-weight: normal;
}

.breadcrumbs a:last-child::after {
  content: '';
}

.card {
  background: rgba(254, 243, 235, 0.7);
  backdrop-filter: blur(10px);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(180, 66, 21, 0.15);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.card:hover::before {
  opacity: 1;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--spacing-lg) 0;
  background: rgba(254, 243, 235, 0.6);
  backdrop-filter: blur(8px);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.9375rem;
}

table thead {
  background: rgba(180, 66, 21, 0.12);
  backdrop-filter: blur(6px);
}

table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
  border-bottom: 3px solid var(--color-primary);
  font-size: 0.875rem;
}

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

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

table tbody tr:nth-child(odd) {
  background: rgba(255, 251, 247, 0.4);
}

table tbody tr:nth-child(even) {
  background: rgba(254, 243, 235, 0.3);
}

table tbody tr:hover {
  background: rgba(254, 215, 170, 0.25);
  backdrop-filter: blur(4px);
}

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

details {
  margin: var(--spacing-lg) 0;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(254, 243, 235, 0.65);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

details:hover {
  box-shadow: 0 4px 12px rgba(180, 66, 21, 0.1);
}

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

summary {
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(180, 66, 21, 0.08);
  backdrop-filter: blur(6px);
  border-bottom: 2px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  user-select: none;
  list-style: none;
  position: relative;
}

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);
  font-weight: bold;
}

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

summary:hover {
  background: rgba(180, 66, 21, 0.15);
  color: var(--color-secondary);
}

details[open] summary {
  border-bottom-color: var(--color-border);
  background: rgba(124, 45, 18, 0.12);
}

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

details div {
  padding: var(--spacing-lg);
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  border: 2px solid var(--color-border);
}

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

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

ul li::marker {
  color: var(--color-primary);
}

ol li::marker {
  color: var(--color-primary);
  font-weight: 700;
}

code {
  font-family: var(--font-main);
  background: rgba(180, 66, 21, 0.1);
  padding: 0.2em 0.4em;
  border-radius: var(--radius);
  font-size: 0.9em;
  border: 1px solid var(--color-border);
}

pre {
  background: rgba(254, 243, 235, 0.8);
  backdrop-filter: blur(8px);
  border: 2px solid var(--color-border);
  border-left: 6px solid var(--color-primary);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

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

hr {
  border: none;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: var(--spacing-xl) 0;
}

button, input[type="submit"], input[type="button"] {
  font-family: var(--font-main);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(180, 66, 21, 0.95);
  backdrop-filter: blur(8px);
  color: var(--color-accent);
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

button:hover, input[type="submit"]:hover, input[type="button"]:hover {
  background: var(--color-secondary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124, 45, 18, 0.3);
}

button:focus-visible, input[type="submit"]:focus-visible, input[type="button"]:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

input[type="text"], input[type="email"], input[type="search"], textarea, select {
  font-family: var(--font-main);
  font-size: 1rem;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(255, 251, 247, 0.9);
  backdrop-filter: blur(6px);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

input[type="text"]:focus, input[type="email"]:focus, input[type="search"]:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(180, 66, 21, 0.15);
}

@media (min-width: 768px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.25rem;
  }
  
  h3 {
    font-size: 1.75rem;
  }
  
  .container {
    grid-template-columns: repeat(12, 1fr);
    padding: 0 var(--spacing-lg);
  }
  
  .site-nav {
    padding: 0 var(--spacing-lg);
  }
  
  table {
    font-size: 1rem;
  }
  
  .card {
    padding: var(--spacing-xl);
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 3.5rem;
  }
  
  body {
    font-size: 17px;
  }
  
  .site-header {
    padding: var(--spacing-lg) 0;
  }
  
  .site-main {
    padding: var(--spacing-xl) 0 calc(var(--spacing-xl) * 2);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  details div {
    animation: none;
  }
  
  .card:hover {
    transform: none;
  }
}

@media print {
  .site-header, .site-nav, .site-footer, .breadcrumbs {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
  
  .card {
    border: 1px solid black;
    box-shadow: none;
    page-break-inside: avoid;
  }
  
  a {
    text-decoration: underline;
    color: black;
  }
  
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
}