:root {
  --background-color: #1a1b26;
  --text-color: #c0caf5;
  --header-color: #89b4fa;
  --sub-header-color: #a9b1d6;
  --code-background: #24283b;
  --code-text: #c0caf5;
  --border-color: #3b4261;
  --accent-color: #7aa2f7;
  --button-bg: #292e42;
  --button-bg-active: var(--accent-color);
  --button-text-active: var(--background-color);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
  background-color: var(--background-color);
  color: var(--text-color);
  padding: 2.5rem;
  max-width: 800px;
  margin: auto;
  font-feature-settings: "palt";
}

.lang-switcher {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.lang-btn {
  background-color: var(--button-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
}
.lang-btn:hover {
  background-color: var(--border-color);
}
.lang-btn.active {
  background-color: var(--button-bg-active);
  color: var(--button-text-active);
  font-weight: 700;
  border-color: var(--button-bg-active);
}
.hidden {
  display: none;
}

.icon-wrapper img {
  border-radius: 15px;
}

h1 {
  font-size: 3rem;
  color: var(--header-color);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 2rem;
  color: var(--sub-header-color);
  margin-top: 3rem;
  border-left: 4px solid var(--accent-color);
  padding-left: 1rem;
}

h3 {
  font-size: 1.5rem;
  color: var(--sub-header-color);
  margin-top: 2.5rem;
}

p {
  margin: 1rem 0;
}

a {
  color: var(--text-color);
}

strong {
  color: var(--accent-color);
  font-weight: 600;
}

.mapping-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background-color: var(--code-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.mapping-table th,
.mapping-table td {
  border-bottom: 1px solid var(--border-color);
  padding: 0.8rem 1.2rem;
  text-align: left;
}

.mapping-table thead th {
  background-color: var(--button-bg);
  color: var(--sub-header-color);
  font-weight: 600;
}

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

.mapping-table td:first-child code {
  font-size: 1.1em;
  text-align: center;
}

pre {
  background-color: var(--code-background);
  color: var(--code-text);
  padding: 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
}

code {
  font-family: "SF Mono", "Fira Code", Consolas, "Courier New", monospace;
  background-color: var(--code-background);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

pre > code {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  font-size: 1em;
}

.section {
  margin-top: 3rem;
}

hr {
  border: 0;
  height: 1px;
  background: var(--border-color);
  margin: 4rem 0;
}

/* --- 404 Page Styles --- */
.container-404 {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 80vh;
}

.container-404 h1 {
  font-size: 8rem;
  margin: 0;
  color: var(--border-color);
  border: none;
  padding: 0;
}

.container-404 h2 {
  font-size: 2.5rem;
  margin-top: 0;
  border: none;
  padding: 0;
}

.home-link {
  display: inline-block;
  margin-top: 2.5rem;
  padding: 0.8rem 1.6rem;
  background-color: var(--accent-color);
  color: var(--button-text-active);
  text-decoration: none;
  font-weight: 600;
  border-radius: 6px;
  transition: transform 0.2s ease;
}

.home-link:hover {
  transform: scale(1.05);
}