* {
  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: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1100px;
  --radius: 0;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --transition: 0.2s ease;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition), background-color var(--transition);
  position: relative;
}

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

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

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

em {
  font-style: italic;
}

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

blockquote {
  background: rgba(254, 243, 235, 0.7);
  backdrop-filter: blur(10px);
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-style: italic;
  color: var(--color-text-muted);
}

.site-header {
  background: rgba(254, 243, 235, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(67, 20, 7, 0.05);
}

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

.site-nav a {
  padding: var(--spacing-xs) var(--spacing-sm);
  display: inline-block;
  font-weight: 500;
  transition: background-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.site-nav a:hover {
  background-color: rgba(180, 66, 21, 0.1);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.site-main {
  min-height: 70vh;
  padding: var(--spacing-xl) 0;
}

.site-footer {
  background: linear-gradient(135deg, rgba(124, 45, 18, 0.95), rgba(180, 66, 21, 0.95));
  backdrop-filter: blur(10px);
  color: var(--color-accent);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
  border-top: 3px solid var(--color-secondary);
}

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

.site-footer a:hover {
  color: #fff;
}

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

.breadcrumbs {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  font-family: 'Courier New', monospace;
}

.breadcrumbs a {
  color: var(--color-text-muted);
  padding: var(--spacing-xs);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
  background: rgba(180, 66, 21, 0.05);
}

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

.card {
  background: rgba(254, 243, 235, 0.6);
  backdrop-filter: blur(15px);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 4px 16px rgba(67, 20, 7, 0.08);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: 0 8px 24px rgba(67, 20, 7, 0.12);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.card h2,
.card h3,
.card h4 {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
}

table th {
  background: linear-gradient(135deg, rgba(180, 66, 21, 0.9), rgba(124, 45, 18, 0.9));
  backdrop-filter: blur(10px);
  color: var(--color-accent);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 700;
  border-bottom: 2px solid var(--color-secondary);
}

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

table tr:nth-child(even) {
  background: rgba(254, 215, 170, 0.1);
}

table tr:hover {
  background: rgba(180, 66, 21, 0.08);
}

table tr:hover td {
  color: var(--color-secondary);
}

details {
  background: rgba(254, 243, 235, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

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

details[open] {
  box-shadow: 0 4px 12px rgba(67, 20, 7, 0.1);
  border-color: var(--color-primary);
}

summary {
  padding: var(--spacing-md);
  cursor: pointer;
  font-weight: 600;
  background: rgba(180, 66, 21, 0.05);
  transition: background-color var(--transition), color var(--transition);
  list-style: none;
  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 var(--transition);
  color: var(--color-primary);
}

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

summary:hover {
  background: rgba(180, 66, 21, 0.1);
  color: var(--color-secondary);
}

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

details p {
  padding: var(--spacing-md);
}

button,
.button {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
  display: inline-block;
  font-family: var(--font-main);
  box-shadow: 0 2px 8px rgba(180, 66, 21, 0.3);
}

button:hover,
.button:hover {
  box-shadow: 0 4px 16px rgba(180, 66, 21, 0.4);
  transform: translateY(-1px);
  color: #fff;
}

button:active,
.button:active {
  transform: translateY(0);
}

button:focus-visible,
.button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

input,
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(180, 66, 21, 0.1);
  background: rgba(255, 255, 255, 0.9);
}

input:hover,
textarea:hover,
select:hover {
  border-color: var(--color-primary);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-secondary);
}

code,
pre {
  font-family: 'Courier New', monospace;
  background: rgba(124, 45, 18, 0.05);
  padding: 0.2em 0.4em;
  border: 1px solid var(--color-border);
}

pre {
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  backdrop-filter: blur(5px);
}

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

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

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

hr {
  border: none;
  border-top: 2px solid var(--color-border);
  margin: var(--spacing-lg) 0;
  opacity: 0.5;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: 1fr;
}

.flex {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

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

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

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-text-muted);
}

.highlight {
  background: linear-gradient(120deg, rgba(254, 215, 170, 0.3) 0%, rgba(254, 215, 170, 0.7) 100%);
  padding: 0.1em 0.3em;
}

.badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 0.25em 0.75em;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

.glass-panel {
  background: rgba(254, 243, 235, 0.5);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(232, 213, 196, 0.5);
  padding: var(--spacing-lg);
  box-shadow: 0 8px 32px rgba(67, 20, 7, 0.1);
}

.overlay {
  position: relative;
  overflow: hidden;
}

.overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(180, 66, 21, 0.05), rgba(254, 215, 170, 0.05));
  pointer-events: none;
  z-index: 1;
}

.overlay > * {
  position: relative;
  z-index: 2;
}

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

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

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

  .site-nav {
    flex-wrap: nowrap;
  }

  .flex {
    flex-wrap: nowrap;
  }

  .container {
    padding: 0 var(--spacing-lg);
  }

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

  table {
    font-size: 1rem;
  }
}

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

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

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

  .grid.grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .site-header {
    padding: var(--spacing-lg) 0;
  }
}

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

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

  .site-main {
    min-height: auto;
  }

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

  .card {
    border: 1px solid #000;
    box-shadow: none;
    page-break-inside: avoid;
  }

  body {
    background: #fff;
    color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  table {
    border: 1px solid #000;
  }

  table th {
    background: #ddd;
    color: #000;
  }
}