:root {
  --color-primary: #1B7CFF;
  --color-secondary: #FFB000;
  --color-accent: #FF3D7F;
  --color-background: #07121F;
  --color-surface: #0E2238;
  --color-text: #EAF2FF;
  --color-text-muted: #B7C7E6;
  --color-border: #1E3A5C;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --space: clamp(14px, 2.2vw, 22px);
  --transition-speed: 0.25s;
}

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

*:focus {
  outline: none;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 100%;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: 0.75em;
  font-weight: 700;
  color: var(--color-text);
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: var(--color-primary);
  text-shadow: 0 2px 8px rgba(27, 124, 255, 0.3);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  color: var(--color-secondary);
  margin-top: 1.5em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-primary);
  margin-top: 1.25em;
}

h4 {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--color-text);
}

p {
  margin-bottom: 1em;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color var(--transition-speed) ease, text-decoration-color var(--transition-speed) ease, transform var(--transition-speed) ease;
  display: inline-block;
}

a:hover {
  color: var(--color-secondary);
  text-decoration-color: var(--color-accent);
  transform: translateY(-2px);
}

a:active {
  transform: translateY(0);
}

ul, ol {
  margin-left: 1.5em;
  margin-bottom: 1em;
}

li {
  margin-bottom: 0.5em;
}

header {
  background: linear-gradient(135deg, var(--color-surface) 0%, #0A1A2E 100%);
  padding: var(--space) calc(var(--space) * 1.5);
  box-shadow: var(--shadow);
  border-bottom: 3px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .site-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--color-secondary);
  text-shadow: 0 0 20px rgba(255, 176, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.5);
  margin-bottom: 0.5em;
  display: block;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space) * 0.75);
  align-items: center;
}

nav a {
  color: var(--color-text);
  text-decoration: none;
  padding: 0.5em 1em;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 600;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

nav a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-background);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(27, 124, 255, 0.4);
}

nav a:active {
  transform: translateY(-1px);
}

nav[aria-label="Breadcrumb"] {
  background: var(--color-surface);
  padding: calc(var(--space) * 0.75);
  border-radius: var(--radius);
  margin-bottom: calc(var(--space) * 1.5);
  border-left: 4px solid var(--color-accent);
}

nav[aria-label="Breadcrumb"] ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin: 0;
}

nav[aria-label="Breadcrumb"] li {
  margin: 0;
  display: flex;
  align-items: center;
}

nav[aria-label="Breadcrumb"] li::after {
  content: "›";
  margin-left: 0.5em;
  color: var(--color-text-muted);
  font-weight: bold;
}

nav[aria-label="Breadcrumb"] li:last-child::after {
  content: "";
}

nav[aria-label="Breadcrumb"] a {
  color: var(--color-primary);
  text-decoration: none;
  padding: 0.25em 0.5em;
  border-radius: calc(var(--radius) / 2);
  transition: background var(--transition-speed) ease;
}

nav[aria-label="Breadcrumb"] a:hover {
  background: var(--color-border);
  transform: none;
}

main {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--space) * 2) var(--space);
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space) * 2);
}

article, section {
  background: var(--color-surface);
  padding: calc(var(--space) * 1.5);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

aside {
  background: linear-gradient(135deg, var(--color-surface) 0%, #0F2540 100%);
  padding: calc(var(--space) * 1.25);
  border-radius: var(--radius);
  border: 2px solid var(--color-primary);
  box-shadow: 0 0 30px rgba(27, 124, 255, 0.2);
}

blockquote {
  background: var(--color-surface);
  border-left: 5px solid var(--color-accent);
  padding: calc(var(--space) * 1.25);
  margin: calc(var(--space) * 1.5) 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--color-text-muted);
  box-shadow: 0 4px 15px rgba(255, 61, 127, 0.15);
}

blockquote::before {
  content: """;
  font-size: 3em;
  color: var(--color-accent);
  line-height: 0.1;
  margin-right: 0.1em;
  vertical-align: -0.4em;
  opacity: 0.5;
}

details {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space) * 1);
  margin-bottom: calc(var(--space) * 1);
  transition: border-color var(--transition-speed) ease;
}

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

details[open] {
  border-color: var(--color-accent);
  border-left-width: 5px;
  box-shadow: 0 4px 20px rgba(255, 61, 127, 0.2);
}

summary {
  font-weight: 700;
  color: var(--color-secondary);
  cursor: pointer;
  padding: 0.5em;
  list-style: none;
  display: flex;
  align-items: center;
  transition: color var(--transition-speed) ease, transform var(--transition-speed) ease;
  user-select: none;
}

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

summary::before {
  content: "▶";
  display: inline-block;
  margin-right: 0.75em;
  color: var(--color-primary);
  transition: transform var(--transition-speed) ease;
  font-size: 0.8em;
}

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

summary:hover {
  color: var(--color-primary);
  transform: translateX(5px);
}

details[open] summary {
  margin-bottom: calc(var(--space) * 1);
  padding-bottom: calc(var(--space) * 0.75);
  border-bottom: 2px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: calc(var(--space) * 1.5) 0;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: block;
  overflow-x: auto;
}

caption {
  font-weight: 700;
  font-size: 1.25em;
  color: var(--color-secondary);
  text-align: left;
  padding: calc(var(--space) * 1);
  background: linear-gradient(135deg, var(--color-surface) 0%, #0F2540 100%);
  border-bottom: 3px solid var(--color-primary);
}

thead {
  background: var(--color-primary);
  color: var(--color-background);
  position: sticky;
  top: 0;
  z-index: 10;
}

th {
  padding: calc(var(--space) * 0.75) calc(var(--space) * 1);
  text-align: left;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9em;
  letter-spacing: 0.5px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

th:last-child {
  border-right: none;
}

td {
  padding: calc(var(--space) * 0.75) calc(var(--space) * 1);
  border-bottom: 1px solid var(--color-border);
}

tbody tr {
  transition: background var(--transition-speed) ease, transform var(--transition-speed) ease;
}

tbody tr:nth-child(odd) {
  background: rgba(14, 34, 56, 0.5);
}

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

tbody tr:hover {
  background: rgba(27, 124, 255, 0.15);
  transform: scale(1.01);
  box-shadow: 0 2px 10px rgba(27, 124, 255, 0.3);
}

footer {
  background: linear-gradient(135deg, #0A1A2E 0%, var(--color-surface) 100%);
  padding: calc(var(--space) * 2) var(--space);
  text-align: center;
  border-top: 3px solid var(--color-accent);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
  color: var(--color-text-muted);
  margin-top: calc(var(--space) * 3);
}

footer p {
  margin: 0;
}

button, .button {
  background: var(--color-primary);
  color: var(--color-background);
  border: none;
  padding: 0.75em 1.5em;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1em;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 4px 15px rgba(27, 124, 255, 0.3);
  text-decoration: none;
  display: inline-block;
}

button:hover, .button:hover {
  background: var(--color-secondary);
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(255, 176, 0, 0.4);
}

button:active, .button:active {
  transform: translateY(-1px);
}

@media (min-width: 768px) {
  main {
    grid-template-columns: 1fr;
    gap: calc(var(--space) * 2.5);
  }

  nav {
    gap: calc(var(--space) * 1);
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.6rem;
  }

  table {
    display: table;
  }

  thead {
    position: sticky;
  }
}

@media (min-width: 1024px) {
  main {
    padding: calc(var(--space) * 3) calc(var(--space) * 2);
  }

  h1 {
    font-size: 2.75rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  article, section {
    padding: calc(var(--space) * 2);
  }
}

@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;
  }

  a:hover, nav a:hover, button:hover, .button:hover, summary:hover, tbody tr:hover {
    transform: none !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: 0.8em;
  }

  article, section, details {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }

  details[open] summary {
    display: block;
  }

  summary::before {
    content: "";
  }

  table {
    page-break-inside: avoid;
  }

  thead {
    display: table-header-group;
  }
}