:root {
  --color-primary: #FFB000;
  --color-secondary: #7C3AED;
  --color-accent: #00D4FF;
  --color-background: #0B0F14;
  --color-surface: #121A24;
  --color-text: #F2F5F7;
  --color-text-muted: #A9B4C0;
  --color-border: #263241;
  
  --radius: 0.375rem;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --space: 1rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 100%;
}

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

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
  border-bottom: 1px solid transparent;
}

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

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

header {
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  padding: var(--space) var(--space-md);
  box-shadow: 0 2px 8px rgba(0, 212, 255, 0.1);
}

header .header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space);
  align-items: center;
}

header .site-name {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-shadow: 0 0 20px rgba(255, 176, 0, 0.4);
  letter-spacing: 0.02em;
}

header nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  justify-content: center;
  align-items: center;
}

header nav a {
  color: var(--color-text);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius);
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

header nav a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  background-color: rgba(0, 212, 255, 0.1);
  transform: translateY(-1px);
}

main {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-lg) var(--space);
}

footer {
  background-color: var(--color-surface);
  border-top: 2px solid var(--color-border);
  padding: var(--space-md);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

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

h1 {
  font-size: 2rem;
  color: var(--color-primary);
  text-shadow: 0 0 30px rgba(255, 176, 0, 0.3);
  margin-bottom: var(--space-md);
}

h2 {
  font-size: 1.75rem;
  color: var(--color-accent);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  border-left: 4px solid var(--color-secondary);
  padding-left: var(--space);
}

h3 {
  font-size: 1.375rem;
  color: var(--color-text);
  margin-top: var(--space-lg);
  margin-bottom: var(--space);
}

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

section {
  margin-bottom: var(--space-xl);
}

article {
  background-color: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

blockquote {
  background-color: rgba(124, 58, 237, 0.1);
  border-left: 4px solid var(--color-secondary);
  padding: var(--space) var(--space-md);
  margin: var(--space-md) 0;
  font-style: italic;
  color: var(--color-text-muted);
  border-radius: 0 var(--radius) var(--radius) 0;
}

aside {
  background-color: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin: var(--space-md) 0;
}

aside::before {
  content: "ℹ️ ";
  font-weight: 700;
  color: var(--color-accent);
}

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

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

nav.breadcrumbs {
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
}

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

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

nav.breadcrumbs span {
  color: var(--color-text-muted);
  margin: 0 var(--space-xs);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

table caption {
  caption-side: top;
  padding: var(--space);
  font-weight: 700;
  color: var(--color-primary);
  text-align: left;
  font-size: 1.125rem;
}

thead {
  background-color: rgba(124, 58, 237, 0.2);
  border-bottom: 2px solid var(--color-secondary);
}

th {
  padding: var(--space) var(--space-sm);
  text-align: left;
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

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

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

tbody tr:nth-child(odd) {
  background-color: rgba(255, 255, 255, 0.02);
}

tbody tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.1);
}

tbody tr:hover {
  background-color: rgba(0, 212, 255, 0.08);
}

@media (max-width: 767px) {
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

details {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--space);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

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

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

summary {
  padding: var(--space) var(--space-md);
  cursor: pointer;
  font-weight: 700;
  color: var(--color-primary);
  background-color: rgba(255, 176, 0, 0.05);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

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

summary::before {
  content: "▶";
  display: inline-block;
  transition: transform 0.2s ease;
  color: var(--color-accent);
}

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

summary:hover {
  background-color: rgba(255, 176, 0, 0.1);
  color: var(--color-accent);
}

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

details[open] summary {
  background-color: rgba(124, 58, 237, 0.1);
  border-bottom: 1px solid var(--color-border);
}

details > *:not(summary) {
  padding: var(--space-md);
}

button, .button {
  background-color: var(--color-primary);
  color: var(--color-background);
  border: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 0 15px rgba(255, 176, 0, 0.3);
}

button:hover, .button:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.5);
}

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

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

@media (min-width: 768px) {
  header .header-container {
    flex-direction: row;
    justify-content: space-between;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  main {
    padding: var(--space-xl) var(--space-md);
  }
}

@media (min-width: 1024px) {
  thead {
    position: sticky;
    top: 0;
    z-index: 10;
  }
  
  article {
    padding: var(--space-xl);
  }
}

@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;
  }
  
  html {
    scroll-behavior: auto;
  }
  
  summary::before {
    transition: none;
  }
  
  a, button, details, tbody tr, header nav a {
    transition: none;
  }
}

@media print {
  body {
    background-color: white;
    color: black;
  }
  
  header, footer, nav, aside {
    display: none;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
  
  article {
    box-shadow: none;
    border: 1px solid black;
  }
  
  details[open] summary ~ * {
    display: block;
  }
  
  details summary::before {
    display: none;
  }
  
  table {
    page-break-inside: avoid;
  }
  
  h1, h2, h3 {
    page-break-after: avoid;
    color: black;
    text-shadow: none;
  }
}