/*
 * mfgQC docs — CRT-phosphor theme, ported from the package's user-guide theme
 * (examples/_sixsigma_theme.py) into Material. Pure-black ground with faint cyan
 * scanlines, Orbitron headings with a glowing cyan block marker, Lato body,
 * phosphor-blue text, bright cyan (#2ECFFF) accent. Tokens = mfgqc/palette.py.
 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700&display=swap');

:root {
  --bs-bg:          #000000;   /* pure black ground */
  --bs-surface:     #06090F;   /* panels / code */
  --bs-elevated:    #0C1018;   /* inline code, table headers */
  --bs-out:         #04070C;   /* output / deepest */
  --bs-border:      #0C1E30;   /* hairlines */
  --bs-border-2:    #143A52;   /* stronger borders */
  --bs-text:        #88CCE8;   /* body text (phosphor blue) */
  --bs-text-bright: #dff2ff;   /* emphasis / headings hi */
  --bs-muted:       #5C8AA8;   /* secondary */
  --bs-cyan:        #2ECFFF;   /* PRIMARY accent */
  --bs-cyan-dim:    #1C9FD0;
  --bs-green:       #40CC70;
  --bs-amber:       #CC9A40;
  --bs-red:         #CC3355;
  --bs-glow:        0 0 10px rgba(46, 207, 255, 0.45);
  --bs-font-head:   'Orbitron', system-ui, sans-serif;
}

/* ===== Dark phosphor scheme (the on-brand default) ===== */
[data-md-color-scheme="slate"] {
  --md-hue: 210;

  --md-default-bg-color:            var(--bs-bg);
  --md-default-fg-color:            var(--bs-text);
  --md-default-fg-color--light:     #9FC8DC;
  --md-default-fg-color--lighter:   var(--bs-muted);
  --md-default-fg-color--lightest:  #16344a;

  --md-primary-fg-color:            #000000;
  --md-primary-fg-color--light:     var(--bs-surface);
  --md-primary-fg-color--dark:      #000000;
  --md-primary-bg-color:            var(--bs-cyan);
  --md-primary-bg-color--light:     var(--bs-text-bright);

  --md-accent-fg-color:             var(--bs-cyan);
  --md-accent-fg-color--transparent: rgba(46, 207, 255, 0.1);
  --md-typeset-a-color:             var(--bs-cyan);

  --md-code-bg-color:               var(--bs-surface);
  --md-code-fg-color:               var(--bs-text);
  --md-code-hl-color:               rgba(46, 207, 255, 0.15);

  --md-footer-bg-color:             #000000;
  --md-footer-fg-color:             var(--bs-muted);

  --md-typeset-mark-color:          rgba(46, 207, 255, 0.25);
}

/* Pure-black ground + faint CRT scanlines (the signature texture). */
[data-md-color-scheme="slate"] body {
  background-color: var(--bs-bg);
  background-image: repeating-linear-gradient(
    rgba(46, 207, 255, 0.022) 0 1px, transparent 1px 3px);
}
[data-md-color-scheme="slate"] .md-main,
[data-md-color-scheme="slate"] .md-container { background: transparent; }

/* Light fallback (brand is dark, but keep a usable light mode). */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #06121c;
  --md-primary-bg-color: var(--bs-cyan);
  --md-accent-fg-color:  #0E84B8;
  --md-typeset-a-color:  #0E84B8;
}

/* ===== Typography: Orbitron heads, glowing cyan h2 marker ===== */
.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  font-family: var(--bs-font-head);
  font-weight: 700;
  letter-spacing: 0.5px;
}
[data-md-color-scheme="slate"] .md-typeset h1 { color: var(--bs-text-bright); }
[data-md-color-scheme="slate"] .md-typeset h2 {
  color: var(--bs-cyan);
  border-bottom: 1px solid var(--bs-border);
  padding-bottom: 0.35rem;
  text-shadow: 0 0 8px rgba(46, 207, 255, 0.25);
}
/* the glowing cyan block before each h2 */
[data-md-color-scheme="slate"] .md-typeset h2::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 0.85em;
  margin-right: 0.7rem;
  vertical-align: -1px;
  background: var(--bs-cyan);
  box-shadow: var(--bs-glow);
  border-radius: 1px;
}
[data-md-color-scheme="slate"] .md-typeset h3 {
  color: var(--bs-text-bright);
  font-weight: 500;
}
.md-typeset h1, .md-typeset h2 { font-weight: 700; }

/* Header: pure-black bar; logo + title get the phosphor glow. */
[data-md-color-scheme="slate"] .md-header {
  background-color: #000000;
  border-bottom: 1px solid var(--bs-border);
}
.md-header__title { font-family: var(--bs-font-head); letter-spacing: 1px; }
.md-header__button.md-logo img,
.md-header__button.md-logo svg { filter: drop-shadow(var(--bs-glow)); }

/* Links + emphasis. */
[data-md-color-scheme="slate"] .md-typeset a:hover { color: var(--bs-text-bright); }
[data-md-color-scheme="slate"] .md-typeset strong { color: var(--bs-text-bright); }
[data-md-color-scheme="slate"] .md-typeset li::marker { color: var(--bs-cyan); }

/* Inline code: cyan on elevated, phosphor border. */
[data-md-color-scheme="slate"] .md-typeset code {
  background: var(--bs-elevated);
  color: var(--bs-cyan);
  border: 1px solid var(--bs-border);
  border-radius: 4px;
}
/* Code blocks: surface bg, phosphor border. */
[data-md-color-scheme="slate"] .md-typeset pre > code {
  background: var(--bs-surface);
  color: var(--bs-text);
  border: 1px solid var(--bs-border);
  border-radius: 8px;
}
[data-md-color-scheme="slate"] .md-typeset .highlight > pre > code { border-radius: 8px; }

/* Nav / sidebar labels in Orbitron, cyan active. */
.md-nav__title { font-family: var(--bs-font-head); letter-spacing: 0.5px; font-size: 0.7rem; }
[data-md-color-scheme="slate"] .md-nav__link--active,
[data-md-color-scheme="slate"] .md-nav__link:focus,
[data-md-color-scheme="slate"] .md-nav__link:hover { color: var(--bs-cyan); }

/* Selection. */
[data-md-color-scheme="slate"] ::selection { background: rgba(46, 207, 255, 0.28); color: #fff; }

/* Admonitions → status palette. */
[data-md-color-scheme="slate"] .md-typeset .admonition.note,
[data-md-color-scheme="slate"] .md-typeset details.note { border-left-color: var(--bs-cyan); }
[data-md-color-scheme="slate"] .md-typeset .admonition.tip,
[data-md-color-scheme="slate"] .md-typeset details.tip { border-left-color: var(--bs-green); }
[data-md-color-scheme="slate"] .md-typeset .admonition.warning,
[data-md-color-scheme="slate"] .md-typeset details.warning { border-left-color: var(--bs-amber); }

/* Tables: phosphor grid, Orbitron-ish elevated header. */
[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background: var(--bs-elevated);
  color: var(--bs-text-bright);
  border-bottom: 1px solid var(--bs-border-2);
}
[data-md-color-scheme="slate"] .md-typeset table:not([class]) td {
  border-top: 1px solid var(--bs-border);
}

/* ===== Home hero ===== */
.bs-hero {
  padding: 2rem 0 0.6rem;
}
[data-md-color-scheme="slate"] .bs-hero {
  background: radial-gradient(900px 240px at 18% -60%, rgba(46, 207, 255, 0.12) 0%, transparent 70%);
}
.bs-hero h1 { font-family: var(--bs-font-head); letter-spacing: 1px; }
.bs-hero .bs-tagline {
  font-size: 1.18rem;
  color: var(--bs-text-bright);
  margin-top: -0.3rem;
}
.bs-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.8rem 0;
}
.bs-pillars .bs-pillar {
  background: var(--bs-surface);
  border: 1px solid var(--bs-border);
  border-left: 3px solid var(--bs-cyan);
  border-radius: 8px;
  padding: 1rem 1.1rem;
}
[data-md-color-scheme="slate"] .bs-pillars .bs-pillar {
  box-shadow: inset 0 0 30px rgba(46, 207, 255, 0.04);
}
.bs-pillars .bs-pillar h3 {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  color: var(--bs-cyan);
  text-transform: uppercase;
}