/* 💾 theme-phosphor.css: The Retro-Tech / Terminal Collection */

:root {
  --bg-color: #0a0a0a;
  --text-primary: #33ff33; /* Classic terminal green */
  --text-secondary: #00cc00;
  --accent-color: #66ff66;
  --accent-hover: #ffffff;
  --border-color: #33ff33;
  --code-bg: #002200;

  --font-mono: 'Courier New', Courier, ui-monospace, monospace;

  --max-width: 900px;
  --spacing-base: 1rem;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.4;
  margin: 0;
  padding: 0;
  text-transform: uppercase; /* Classic mainframe feel */
}

/* CRT Scanline Effect */
.crt-overlay {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  z-index: 2;
  background-size: 100% 2px, 3px 100%;
  pointer-events: none;
}

.rk-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem;
  border: 2px solid var(--border-color);
  box-shadow: inset 0 0 10px rgba(51, 255, 51, 0.2), 0 0 10px rgba(51, 255, 51, 0.2);
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: normal;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-top: 2rem;
  text-shadow: 0 0 5px rgba(51, 255, 51, 0.5);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent-color);
}

a:hover {
  background-color: var(--text-primary);
  color: var(--bg-color);
}

.rk-header {
  margin-bottom: 2rem;
}

code {
  background-color: var(--code-bg);
  padding: 0.2em 0.4em;
  border: 1px solid var(--border-color);
}

pre {
  background-color: var(--code-bg);
  padding: 1rem;
  border: 1px solid var(--border-color);
  overflow-x: auto;
}

blockquote {
  margin: 1.5rem 0;
  padding: 1rem;
  border-left: 4px solid var(--border-color);
  background-color: rgba(51, 255, 51, 0.1);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

th, td {
  padding: 0.5rem;
  text-align: left;
  border: 1px solid var(--border-color);
}

::selection {
  background: var(--text-primary);
  color: var(--bg-color);
}

/* Accessibility: visible keyboard focus indicator for interactive elements. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 1px dashed var(--accent-hover);
  outline-offset: 2px;
}

/* Narrow viewports: let wide tables scroll instead of blowing out layout. */
table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

/* Images never exceed the text column. */
img {
  max-width: 100%;
  height: auto;
}

/* Long inline code wraps instead of blowing out narrow viewports.
   Scoped away from pre > code so code fences keep horizontal scrolling. */
:not(pre) > code {
  overflow-wrap: anywhere;
}

/* Honor GFM column alignment from the renderer (align attributes);
   blanket cell text-align would otherwise flatten centered/right columns. */
th[align="center"],
td[align="center"] {
  text-align: center;
}

th[align="right"],
td[align="right"] {
  text-align: right;
}