/* ==========================================================================
   Slim — single-theme stylesheet (arcade-cabinet, dark only).
   Site is locked to data-md-color-scheme="slate"; no light mode.
   Press Start 2P for h1/h2/h3, Tetris-piece palette, neon glow,
   CRT-style code blocks, deep slate base.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

/* --- Brand palette ------------------------------------------------------- */

:root {
  --tetris-cyan:    #00FFFF;
  --tetris-yellow:  #FFD600;
  --tetris-purple:  #FF40FF;
  --tetris-green:   #00FF66;
  --tetris-red:     #FF3366;
  --tetris-orange:  #FF9933;

  --arcade-bg:       #0A0118;
  --arcade-bg-alt:   #15012E;
  --arcade-bg-card:  #1F0541;
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color:        var(--arcade-bg);
  --md-default-bg-color--light: var(--arcade-bg-alt);
  --md-default-fg-color:        #E8E8F5;
  --md-default-fg-color--light: #B8B8D0;

  --md-primary-fg-color:        var(--tetris-purple);
  --md-primary-bg-color:        #FFFFFF;
  --md-accent-fg-color:         var(--tetris-cyan);

  --md-typeset-color:           #E8E8F5;
  --md-typeset-a-color:         var(--tetris-cyan);

  --md-code-bg-color:           rgba(0, 0, 0, 0.45);
  --md-code-fg-color:           var(--tetris-green);

  --md-footer-bg-color:         var(--arcade-bg-alt);
  --md-footer-bg-color--dark:   var(--arcade-bg);
}

/* --- Wider content column on big screens -------------------------------- */

.md-grid {
  max-width: 1440px;
}

/* --- Major-heading typography ------------------------------------------- */

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  font-family: 'Press Start 2P', 'JetBrains Mono', monospace;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.md-typeset h1 {
  font-size: 1.55rem;
  font-weight: 400;
  margin-top: 1.5em;
  margin-bottom: 1em;
  color: var(--tetris-cyan);
  text-shadow: 0 0 12px rgba(0, 255, 255, 0.4);
}

.md-typeset h2 {
  font-size: 1.05rem;
  font-weight: 400;
  padding-bottom: 0.5em;
  margin-top: 2.5em;
  color: var(--tetris-yellow);
  border-bottom: 1px solid rgba(255, 214, 0, 0.25);
}

.md-typeset h3 {
  font-size: 0.85rem;
  font-weight: 400;
  margin-top: 1.8em;
  color: var(--tetris-purple);
}

.md-typeset h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tetris-orange);
}

/* --- Site title and tabs ------------------------------------------------ */

.md-header {
  background-color: var(--arcade-bg-alt);
  border-bottom: 1px solid rgba(0, 255, 255, 0.15);
}

.md-header__title {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.md-tabs {
  background: var(--arcade-bg);
  border-bottom: 1px solid rgba(255, 64, 255, 0.2);
}

.md-tabs__link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.md-tabs__link--active {
  color: var(--tetris-cyan);
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
}

.md-nav__link--active {
  color: var(--tetris-cyan);
}

/* --- Code blocks: CRT terminal feel ------------------------------------- */

.md-typeset pre > code,
.md-typeset .highlight pre {
  border: 1px solid rgba(0, 255, 255, 0.18);
  border-radius: 4px;
  box-shadow: 0 0 24px rgba(0, 255, 255, 0.04),
              inset 0 0 30px rgba(0, 0, 0, 0.4);
}

/* Inline code — neon green on faint bg */
.md-typeset code:not(pre code) {
  color: var(--tetris-green);
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.18);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  font-size: 0.82rem;
}

/* --- Strong / emphasis -------------------------------------------------- */

.md-typeset strong { color: var(--tetris-yellow); }
.md-typeset em      { color: var(--tetris-orange); }

/* --- Admonitions / GitHub alerts: Tetris piece palette ------------------ */

.md-typeset .admonition,
.md-typeset details {
  border-radius: 4px;
}

.md-typeset .admonition.note,    .md-typeset details.note,
.md-typeset .admonition.info,    .md-typeset details.info       { border-color: var(--tetris-cyan); }
.md-typeset .admonition.tip,     .md-typeset details.tip,
.md-typeset .admonition.hint,    .md-typeset details.hint        { border-color: var(--tetris-green); }
.md-typeset .admonition.warning, .md-typeset details.warning     { border-color: var(--tetris-yellow); }
.md-typeset .admonition.danger,  .md-typeset details.danger,
.md-typeset .admonition.caution, .md-typeset details.caution,
.md-typeset .admonition.error,   .md-typeset details.error       { border-color: var(--tetris-red); }
.md-typeset .admonition.important, .md-typeset details.important { border-color: var(--tetris-purple); }
.md-typeset .admonition.abstract,  .md-typeset details.abstract,
.md-typeset .admonition.summary,   .md-typeset details.summary   { border-color: var(--tetris-orange); }

.md-typeset .admonition.note > .admonition-title,
.md-typeset .admonition.info > .admonition-title          { background: rgba(0, 255, 255, 0.08); }
.md-typeset .admonition.tip > .admonition-title,
.md-typeset .admonition.hint > .admonition-title           { background: rgba(0, 255, 102, 0.08); }
.md-typeset .admonition.warning > .admonition-title         { background: rgba(255, 214, 0, 0.08); }
.md-typeset .admonition.danger > .admonition-title,
.md-typeset .admonition.caution > .admonition-title         { background: rgba(255, 51, 102, 0.08); }
.md-typeset .admonition.important > .admonition-title       { background: rgba(255, 64, 255, 0.08); }
.md-typeset .admonition.abstract > .admonition-title        { background: rgba(255, 153, 51, 0.1); }

/* --- Buttons ------------------------------------------------------------ */

.md-typeset .md-button {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  border: 1px solid var(--tetris-cyan);
  transition: all 180ms;
}

.md-typeset .md-button--primary {
  border-color: var(--tetris-purple);
  background: linear-gradient(180deg, rgba(255, 64, 255, 0.15), rgba(255, 64, 255, 0));
  box-shadow: 0 0 14px rgba(255, 64, 255, 0.3);
}

.md-typeset .md-button:hover {
  border-color: var(--tetris-cyan);
  box-shadow: 0 0 18px rgba(0, 255, 255, 0.5);
  text-shadow: 0 0 6px rgba(0, 255, 255, 0.5);
}

/* --- Tables ------------------------------------------------------------- */

.md-typeset table:not([class]) {
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: 4px;
  overflow: hidden;
}

.md-typeset table:not([class]) th {
  background: var(--arcade-bg-card);
  color: var(--tetris-cyan);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.md-typeset table:not([class]) td {
  border-top-color: rgba(0, 255, 255, 0.08);
}

/* --- Footer prev/next: arcade glow on hover ----------------------------- */

.md-footer__inner {
  padding: 1.25rem 0.8rem;
  background: var(--arcade-bg-alt);
}

.md-footer__link {
  padding: 0.7rem 1.1rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 255, 255, 0.25);
  margin: 0 0.25rem;
  transition: all 180ms;
}

.md-footer__link:hover {
  border-color: var(--tetris-cyan);
  background: rgba(0, 255, 255, 0.06);
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.35);
}

.md-footer__title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.md-footer__direction {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--tetris-purple);
}

/* --- Sidebar nav -------------------------------------------------------- */

.md-nav__title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tetris-purple);
}

.md-nav__link:hover {
  color: var(--tetris-cyan);
  text-shadow: 0 0 4px rgba(0, 255, 255, 0.3);
}

/* --- Search ------------------------------------------------------------- */

.md-search__form {
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: 4px;
}

.md-search__input {
  font-family: 'JetBrains Mono', monospace;
}

/* --- Link hover glow ---------------------------------------------------- */

.md-typeset a:not(.md-button):not(.md-footer__link):hover {
  text-shadow: 0 0 6px currentColor;
}

/* --- Horizontal rules --------------------------------------------------- */

.md-typeset hr {
  border-color: rgba(0, 255, 255, 0.2);
  box-shadow: 0 0 4px rgba(0, 255, 255, 0.2);
}

/* --- Card grid (used on home page) -------------------------------------- */

.md-typeset .grid.cards > * {
  border: 1px solid rgba(0, 255, 255, 0.15);
  border-radius: 4px;
  transition: all 200ms;
}

.md-typeset .grid.cards > *:hover {
  border-color: var(--tetris-cyan);
  box-shadow: 0 0 18px rgba(0, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* --- Custom scrollbars -------------------------------------------------- */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--arcade-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--arcade-bg-card);
  border-radius: 4px;
  border: 2px solid var(--arcade-bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--tetris-purple);
  box-shadow: 0 0 8px var(--tetris-purple);
}

/* --- Responsive: keep readable on small screens ------------------------- */

@media screen and (max-width: 44.9375em) {
  .md-typeset h1 { font-size: 1.2rem; line-height: 1.4; }
  .md-typeset h2 { font-size: 0.9rem; }
  .md-typeset h3 { font-size: 0.75rem; }
  .md-tabs__link { font-size: 0.65rem; }
}