/* =============================================================
   Spac3 CRT Theme — MkDocs Material override
   Matches the landing page: dark teal BG (#000b0b), bright aqua
   (#36f6f6), CRT scanlines, vignette, light font weights.
   ============================================================= */

/* ── Colour tokens ─────────────────────────────────────────── */
:root,
[data-md-color-scheme="crt"] {
  --aqua:   #36f6f6;
  --bg:     #000b0b;
  --bg-1:   #001010;
  --bg-2:   #001414;
  --bg-3:   #001818;

  /* MkDocs Material surface colours */
  --md-default-bg-color:            var(--bg);
  --md-default-bg-color--light:     var(--bg-1);
  --md-default-bg-color--lighter:   var(--bg-2);
  --md-default-bg-color--lightest:  var(--bg-3);

  /* Foreground / text */
  --md-default-fg-color:            rgba(54, 246, 246, 0.87);
  --md-default-fg-color--light:     rgba(54, 246, 246, 0.68);
  --md-default-fg-color--lighter:   rgba(54, 246, 246, 0.38);
  --md-default-fg-color--lightest:  rgba(54, 246, 246, 0.12);

  /* Primary / accent */
  --md-primary-fg-color:            var(--aqua);
  --md-primary-fg-color--light:     rgba(54, 246, 246, 0.70);
  --md-primary-bg-color:            var(--bg);
  --md-primary-bg-color--light:     var(--bg-1);

  --md-accent-fg-color:             var(--aqua);
  --md-accent-fg-color--transparent: rgba(54, 246, 246, 0.10);
  --md-accent-bg-color:             var(--bg);

  /* Typeset */
  --md-typeset-color:               rgba(54, 246, 246, 0.87);
  --md-typeset-a-color:             var(--aqua);
  --md-typeset-mark-color:          rgba(54, 246, 246, 0.20);

  /* Code */
  --md-code-bg-color:               #001212;
  --md-code-fg-color:               rgba(54, 246, 246, 0.90);

  /* Footer */
  --md-footer-bg-color:             #000808;
  --md-footer-bg-color--dark:       #000606;
  --md-footer-fg-color:             rgba(54, 246, 246, 0.75);
  --md-footer-fg-color--light:      rgba(54, 246, 246, 0.55);
  --md-footer-fg-color--lighter:    rgba(54, 246, 246, 0.38);
}

/* ── Base ──────────────────────────────────────────────────── */
html,
body {
  background: var(--bg) !important;
  color: var(--md-default-fg-color);
  font-weight: 300;
}

/* ── CRT scanlines (fixed overlay, matches landing scanlineCount≈35) */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent         0px,
    transparent         3px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0.18) 4px
  );
  pointer-events: none;
  z-index: 9000;
  animation: crtScroll 2.7s linear infinite;
}

body.scanlines-disabled::after {
  opacity: 0;
}

@keyframes crtScroll {
  from { background-position: 0 0;   }
  to   { background-position: 0 16px; }
}

/* ── Vignette (vignetteStrength ≈ 0.65) ────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 50%,
    transparent 30%,
    rgba(0, 11, 11, 0.65) 100%
  );
  pointer-events: none;
  z-index: 8999;
}

/* ── Header / nav bar ──────────────────────────────────────── */
.md-header {
  background: rgba(0, 11, 11, 0.92) !important;
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(54, 246, 246, 0.18);
  box-shadow: 0 0 24px rgba(54, 246, 246, 0.06);
}

.md-header__title,
.md-header__title .md-header__ellipsis {
  font-weight: 200;
  letter-spacing: 0.08em;
  color: var(--aqua);
  text-shadow: 0 0 14px rgba(54, 246, 246, 0.40);
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  filter: drop-shadow(0 0 6px rgba(54, 246, 246, 0.45));
}

.scanline-toggle {
  color: rgba(54, 246, 246, 0.68);
  transition: color 0.2s ease, text-shadow 0.2s ease, opacity 0.2s ease;
}

.scanline-toggle:hover,
.scanline-toggle:focus-visible,
.scanline-toggle[aria-pressed="true"] {
  color: var(--aqua);
  text-shadow: 0 0 10px rgba(54, 246, 246, 0.4);
}

.scanline-toggle.is-off {
  color: rgba(54, 246, 246, 0.3);
  text-shadow: none;
}

.md-search__options .scanline-toggle {
  margin-right: 0.1rem;
}

.md-header__inner .scanline-toggle {
  margin-right: 0.1rem;
}

/* ── Navigation tabs ───────────────────────────────────────── */
.md-tabs {
  background: rgba(0, 11, 11, 0.90) !important;
  border-bottom: 1px solid rgba(54, 246, 246, 0.12);
}

.md-tabs__link {
  color: rgba(54, 246, 246, 0.70) !important;
  font-weight: 300;
  letter-spacing: 0.05em;
  opacity: 1 !important;
}

.md-tabs__link--active,
.md-tabs__item:hover .md-tabs__link {
  color: var(--aqua) !important;
  text-shadow: 0 0 10px rgba(54, 246, 246, 0.45);
}

/* ── Left sidebar ──────────────────────────────────────────── */
.md-sidebar {
  background: transparent;
}

.md-sidebar__inner {
  border-right: 1px solid rgba(54, 246, 246, 0.08);
}

.md-nav__title {
  color: rgba(54, 246, 246, 0.50);
  font-weight: 200;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.62rem;
}

.md-nav__link {
  color: rgba(54, 246, 246, 0.68) !important;
  font-weight: 300;
  letter-spacing: 0.02em;
}

.md-nav__link:hover,
.md-nav__link--active {
  color: var(--aqua) !important;
  text-shadow: 0 0 8px rgba(54, 246, 246, 0.35);
}

.md-nav__item--active > .md-nav__link {
  color: var(--aqua) !important;
}

/* ── Table of contents (right sidebar) ─────────────────────── */
.md-nav--secondary .md-nav__link {
  color: rgba(54, 246, 246, 0.55) !important;
  font-size: 0.72rem;
}

.md-nav--secondary .md-nav__link--active,
.md-nav--secondary .md-nav__link:hover {
  color: var(--aqua) !important;
}

/* ── Main / content ────────────────────────────────────────── */
.md-main,
.md-content,
.md-content__inner {
  background: transparent;
}

/* Thin left border accent on article */
.md-content__inner {
  border-left: 1px solid rgba(54, 246, 246, 0.08);
  padding-left: 1.2rem;
}

/* ── Typography ────────────────────────────────────────────── */
.md-typeset {
  color: rgba(54, 246, 246, 0.84);
  font-weight: 300;
}

.md-typeset h1 {
  color: var(--aqua);
  font-weight: 200;
  letter-spacing: 0.06em;
  text-shadow: 0 0 20px rgba(54, 246, 246, 0.30);
  border-bottom: 1px solid rgba(54, 246, 246, 0.18);
  padding-bottom: 0.3em;
}

.md-typeset h2,
.md-typeset h3 {
  color: var(--aqua);
  font-weight: 200;
  letter-spacing: 0.04em;
  text-shadow: 0 0 14px rgba(54, 246, 246, 0.25);
}

.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
  color: rgba(54, 246, 246, 0.82);
  font-weight: 300;
}

.md-typeset a {
  color: var(--aqua) !important;
  text-decoration: none;
  border-bottom: 1px solid rgba(54, 246, 246, 0.28);
  transition: border-color 0.2s ease, text-shadow 0.2s ease;
}

.md-typeset a:hover {
  border-bottom-color: var(--aqua);
  text-shadow: 0 0 10px rgba(54, 246, 246, 0.45);
}

/* ── Inline code ───────────────────────────────────────────── */
.md-typeset code {
  background: rgba(0, 18, 18, 0.85) !important;
  color: var(--aqua) !important;
  border: 1px solid rgba(54, 246, 246, 0.18);
  border-radius: 3px;
  padding: 0.1em 0.35em;
}

/* ── Code blocks ───────────────────────────────────────────── */
.md-typeset pre,
.highlight,
.highlight pre {
  background: rgba(0, 14, 14, 0.92) !important;
  border: 1px solid rgba(54, 246, 246, 0.14);
  border-radius: 4px;
}

.highlight code {
  background: transparent !important;
  border: none !important;
  color: rgba(54, 246, 246, 0.90) !important;
}

/* Copy button */
.md-clipboard {
  color: rgba(54, 246, 246, 0.45);
}
.md-clipboard:hover {
  color: var(--aqua);
}

/* ── Tables ────────────────────────────────────────────────── */
.md-typeset table:not([class]) {
  border: 1px solid rgba(54, 246, 246, 0.18);
  border-radius: 4px;
  overflow: hidden;
}

.md-typeset table:not([class]) th {
  background: rgba(54, 246, 246, 0.07);
  color: var(--aqua);
  font-weight: 300;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(54, 246, 246, 0.22);
}

.md-typeset table:not([class]) td {
  border-top: 1px solid rgba(54, 246, 246, 0.07);
}

.md-typeset table:not([class]) tr:hover {
  background: rgba(54, 246, 246, 0.04);
}

/* ── Admonitions / callout boxes ───────────────────────────── */
.md-typeset .admonition,
.md-typeset details {
  background: rgba(0, 16, 16, 0.80) !important;
  border-color: rgba(54, 246, 246, 0.28) !important;
  border-radius: 4px;
}

.md-typeset .admonition-title,
.md-typeset summary {
  background: rgba(54, 246, 246, 0.07) !important;
  color: var(--aqua);
  font-weight: 300;
  letter-spacing: 0.04em;
}

.md-typeset .admonition-title::before,
.md-typeset summary::before {
  color: var(--aqua);
}

/* ── Search ────────────────────────────────────────────────── */
.md-search__form {
  background: rgba(0, 16, 16, 0.85) !important;
  border: 1px solid rgba(54, 246, 246, 0.22);
  border-radius: 4px;
}

.md-search__input {
  color: var(--aqua) !important;
  background: transparent !important;
}

.md-search__input::placeholder {
  color: rgba(54, 246, 246, 0.38) !important;
}

.md-search__icon {
  color: rgba(54, 246, 246, 0.55) !important;
}

.md-search-result__meta,
.md-search-result__title,
.md-search-result__teaser {
  color: rgba(54, 246, 246, 0.80) !important;
}

.md-search-result__article:hover {
  background: rgba(54, 246, 246, 0.06) !important;
}

/* ── Footer ────────────────────────────────────────────────── */
.md-footer {
  background: rgba(0, 8, 8, 0.96) !important;
  border-top: 1px solid rgba(54, 246, 246, 0.12);
}

.md-footer-meta {
  background: rgba(0, 6, 6, 0.96) !important;
}

.md-footer__link {
  color: rgba(54, 246, 246, 0.65) !important;
}

.md-footer__link:hover {
  color: var(--aqua) !important;
}

/* ── Tags / chips ──────────────────────────────────────────── */
.md-tag {
  background: rgba(54, 246, 246, 0.08);
  color: var(--aqua);
  border: 1px solid rgba(54, 246, 246, 0.25);
}

/* ── Blog / post meta ──────────────────────────────────────── */
.md-post__meta,
.md-post__authors {
  color: rgba(54, 246, 246, 0.55);
}

/* ── Pagination ────────────────────────────────────────────── */
.md-footer__inner .md-footer__title {
  font-weight: 200;
  letter-spacing: 0.04em;
}

/* ── Back-to-top button ────────────────────────────────────── */
.md-top {
  background: rgba(0, 11, 11, 0.92) !important;
  border: 1px solid rgba(54, 246, 246, 0.28);
  color: var(--aqua) !important;
  box-shadow: 0 0 12px rgba(54, 246, 246, 0.12);
}

/* ── Custom scrollbar ──────────────────────────────────────── */
::-webkit-scrollbar        { width: 6px; height: 6px; }
::-webkit-scrollbar-track  { background: var(--bg); }
::-webkit-scrollbar-thumb  { background: rgba(54, 246, 246, 0.22); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(54, 246, 246, 0.45); }