:root {
  --color-primary: #2A1E5C;
  --color-secondary: #0E7C7B;
  --color-accent: #FF3D7F;
  --color-background: #F6F2FF;
  --color-surface: #FFFFFF;
  --color-text: #14121A;
  --color-text-muted: #4B4658;
  --color-border: #2B2B33;
  --radius: 0;
  --shadow: 6px 6px 0 var(--color-border);
  --space: 1rem;
  --maxw: 1200px;
}

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  font-size: 1rem;
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-decoration-color: var(--color-accent);
  transition: color 0.2s, text-decoration-color 0.2s;
}

a:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-primary);
}

a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  font-weight: 900;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  border: 5px solid var(--color-border);
  padding: 1rem;
  background: var(--color-surface);
  box-shadow: var(--shadow);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.2;
  font-weight: 800;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--color-secondary);
  border-bottom: 6px solid var(--color-border);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  line-height: 1.3;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.5rem;
}

body {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "header"
    "main"
    "footer";
  min-height: 100vh;
}

header {
  grid-area: header;
  background: var(--color-surface);
  border-bottom: 6px solid var(--color-border);
  padding: var(--space);
  box-shadow: 0 6px 0 var(--color-border);
}

header .header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

header .site-name {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 900;
  color: var(--color-primary);
  text-decoration: none;
  border: 4px solid var(--color-border);
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: var(--color-surface);
  box-shadow: 4px 4px 0 var(--color-border);
  transition: transform 0.2s, box-shadow 0.2s;
}

header .site-name:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-border);
}

header .site-name:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 4px;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

nav a {
  display: block;
  padding: 0.5rem 1rem;
  background: var(--color-surface);
  color: var(--color-primary);
  text-decoration: none;
  border: 4px solid var(--color-border);
  font-weight: 700;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

nav a:hover {
  background: var(--color-primary);
  color: var(--color-surface);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--color-border);
}

nav a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

main {
  grid-area: main;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem var(--space);
  width: 100%;
}

footer {
  grid-area: footer;
  background: var(--color-primary);
  color: var(--color-surface);
  border-top: 6px solid var(--color-border);
  padding: 2rem var(--space);
  margin-top: 4rem;
}

footer .footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

footer a {
  color: var(--color-accent);
  text-decoration-color: var(--color-surface);
}

footer a:hover {
  color: var(--color-surface);
  text-decoration-color: var(--color-accent);
}

footer nav {
  margin-bottom: 1rem;
}

footer nav ul {
  padding: 0;
  gap: 1rem;
}

footer nav a {
  border-color: var(--color-surface);
  background: transparent;
  color: var(--color-surface);
}

footer nav a:hover {
  background: var(--color-accent);
  color: var(--color-surface);
}

.breadcrumbs {
  margin-bottom: 1.5rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 4px solid var(--color-border);
  box-shadow: var(--shadow);
}

.breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.breadcrumbs li {
  margin: 0;
}

.breadcrumbs li:not(:last-child)::after {
  content: "→";
  margin-left: 0.5rem;
  font-weight: 900;
  color: var(--color-accent);
}

.breadcrumbs a {
  text-decoration: none;
  font-weight: 700;
  border-bottom: 3px solid var(--color-accent);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  background: var(--color-surface);
  border: 5px solid var(--color-border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
}

caption {
  font-weight: 900;
  font-size: 1.25rem;
  padding: 1rem;
  background: var(--color-primary);
  color: var(--color-surface);
  text-align: left;
  border-bottom: 5px solid var(--color-border);
}

thead {
  background: var(--color-secondary);
  color: var(--color-surface);
}

th {
  padding: 1rem;
  text-align: left;
  font-weight: 800;
  border-bottom: 4px solid var(--color-border);
}

td {
  padding: 1rem;
  border-bottom: 3px solid var(--color-border);
}

tbody tr {
  transition: background 0.2s;
}

tbody tr:nth-child(odd) {
  background: var(--color-background);
}

tbody tr:nth-child(even) {
  background: var(--color-surface);
}

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

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

details {
  margin: 1.5rem 0;
  border: 4px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 4px 4px 0 var(--color-border);
}

summary {
  padding: 1rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  list-style: none;
  background: var(--color-background);
  border-bottom: 4px solid transparent;
  transition: background 0.2s, border-color 0.2s;
  position: relative;
}

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

summary::before {
  content: "▶";
  display: inline-block;
  margin-right: 0.5rem;
  font-weight: 900;
  color: var(--color-accent);
  transition: transform 0.2s;
}

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

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

summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

details[open] summary {
  border-bottom-color: var(--color-border);
  background: var(--color-primary);
  color: var(--color-surface);
}

details[open] summary::before {
  color: var(--color-accent);
}

details .details-content {
  padding: 1rem;
  border-left: 6px solid var(--color-accent);
  margin: 0.5rem;
}

blockquote {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--color-surface);
  border-left: 8px solid var(--color-accent);
  border: 5px solid var(--color-border);
  border-left-width: 10px;
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow);
  font-style: italic;
  color: var(--color-text-muted);
}

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

aside {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 5px solid var(--color-border);
  box-shadow: var(--shadow);
}

aside h2,
aside h3 {
  margin-top: 0;
}

.button,
button,
input[type="submit"] {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-surface);
  border: 4px solid var(--color-border);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  box-shadow: 4px 4px 0 var(--color-border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.button:hover,
button:hover,
input[type="submit"]:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-border);
  color: var(--color-surface);
}

.button:focus-visible,
button:focus-visible,
input[type="submit"]:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 4px;
}

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

  header .header-inner {
    flex-wrap: nowrap;
  }

  nav ul {
    gap: 1rem;
  }

  table {
    font-size: 1rem;
  }
}

@media (min-width: 1024px) {
  body.has-sidebar {
    grid-template-columns: 1fr 300px;
    grid-template-areas:
      "header header"
      "main aside"
      "footer footer";
    gap: 0 2rem;
  }

  aside.sidebar {
    grid-area: aside;
    margin-top: 3rem;
    position: sticky;
    top: 2rem;
    align-self: start;
  }
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

@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;
  }
}

@media print {
  body {
    background: white;
    color: black;
  }

  header,
  footer,
  nav,
  aside {
    display: none;
  }

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

  a {
    text-decoration: underline;
    color: black;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.875rem;
  }

  h1, h2, h3 {
    page-break-after: avoid;
    border: none;
    box-shadow: none;
  }

  table, blockquote, details {
    page-break-inside: avoid;
    border: 2px solid black;
    box-shadow: none;
  }

  details[open] summary {
    display: none;
  }

  details .details-content {
    border: none;
    margin: 0;
    padding: 0;
  }
}