/* 
*/

:root {
  /* Core Colors - Terminal/Hacker Theme */
  --bg-primary: #0a0f0a;           /* Very dark green-black */
  --bg-secondary: #0d140d;         /* Slightly lighter background */
  --bg-card: #0f180f;              /* Card backgrounds */

  --text-primary: #e0e0e0;         /* Main text (off-white) */
  --text-secondary: #8a9a8a;       /* Secondary text (dimmed green-gray) */
  --text-muted: #5c6a5c;           /* Muted metadata */

  --accent-green: #0f0;            /* Terminal green */
  --accent-green-dim: rgba(0, 255, 0, 0.1);
  --accent-green-light: rgba(0, 255, 0, 0.3);

  --border-color: #1a2a1a;         /* Subtle borders */
  --border-highlight: #1f3a1f;     /* Highlighted borders */

  --code-font: 'JetBrains Mono', 'Fira Code', 'Liberation Mono', Consolas, monospace;
  --body-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Background with subtle grid pattern */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--body-font);
  line-height: 1.7;
  background-image:
    linear-gradient(rgba(0, 255, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 0, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center center;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--code-font);
  color: var(--text-primary);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

h1 { font-size: 2.25rem; font-weight: 700; }
h2 { font-size: 1.85rem; font-weight: 600; border-bottom: 1px solid var(--border-color); padding-bottom: 0.5em; }
h3 { font-size: 1.4rem; font-weight: 500; }

p {
  color: var(--text-secondary);
  margin-bottom: 1.25em;
}

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Code blocks - terminal style */
pre, code, kbd {
  font-family: var(--code-font) !important;
}

pre {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 1.25em;
  overflow-x: auto;
}

/* Cards with subtle borders */
.md-typeset__table, .md-typeset table:not([class]) {
  border-collapse: collapse;
}

.md-typeset__table tr {
  background-color: var(--bg-secondary);
  transition: background-color 0.2s ease;
}

/* PGP download button - matching site theme */
.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.7em 1.25em;
  border-radius: 4px;
  text-decoration: none !important;
  font-weight: 600;
  color: var(--accent-green);
  background: transparent;
  border: 2px solid var(--accent-green);
  font-family: var(--code-font) !important;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.btn-download:hover {
  background-color: var(--accent-green-dim);
  border-color: var(--accent-green);
  transform: translateY(-2px);
  box-shadow: 0 2px 6px rgba(0, 255, 0, 0.2);
}

.btn-download:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Link styling */
.md-typeset a:not(.btn):not([class]) {
  color: var(--accent-green);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.md-typeset a:not(.btn):not([class]):hover {
  background-color: var(--accent-green-dim);
  text-decoration: none;
}

/* Alerts/Admonitions - terminal warnings */
.admonition-title,
div.admonition > div:first-of-type::before {
  font-family: var(--code-font) !important;
}

/* Card-style containers (like the reference site's quick access section) */
.md-typeset details,
.md-typeset summary,
div[data-md-component="content"] {
  /* Subtle card effect */
}

/* Table styling */
.md-typeset__table th,
.md-typeset__table td {
  padding: 0.75em 0.5em;
  border-bottom: 1px solid var(--border-color);
}

.md-typeset__table th {
  background-color: var(--bg-secondary);
  font-family: var(--code-font);
  font-weight: 600;
  color: var(--text-primary);
}

/* Footer customization */
.footer {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5em;
}

/* Admonition styling */
.md-typeset details summary {
  list-style: none;
}

.md-typeset details[open] > summary::after {
  content: '+';
  font-family: var(--code-font);
  position: absolute;
  right: 1em;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Smooth theme toggle transition */
[data-md-color-scheme="slate"] .md-header__title {
  color: var(--accent-green);
}

/* Selection color */
::selection {
  background-color: var(--accent-green-light);
  color: #000;
}

/* Focus styles for accessibility */
a:focus, button:focus {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
}

/* Smooth highlight effect on links */
.md-typeset a::selection {
  background-color: var(--accent-green-light);
}