/* ==========================================================================
   Synergy of Steel — custom theme
   Dark, industrial, EVE-inspired: gunmetal & steel greys, amber signal
   accent, sharp angular edges. Legibility first — this is a rulebook.
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&display=swap");

/* --------------------------------------------------------------------------
   Design tokens
   -------------------------------------------------------------------------- */

:root {
  --syn-font-display: "Rajdhani", "IBM Plex Sans", -apple-system, Helvetica, Arial, sans-serif;

  /* Signal colors (shared) */
  --syn-amber: #f0a02c;          /* HUD warning amber — primary accent   */
  --syn-amber-deep: #99621a;     /* amber for light backgrounds          */
  --syn-steel-blue: #62aed6;     /* cool steel-cyan — links, code (dark) */
  --syn-steel-blue-deep: #1c6390;/* links / code on light backgrounds    */

  --syn-radius: 2px;             /* global corner radius — near-sharp    */
}

/* --------------------------------------------------------------------------
   Color scheme: dark ("slate") — the primary look
   -------------------------------------------------------------------------- */

[data-md-color-scheme="slate"] {
  --md-hue: 212;

  /* Canvas & text */
  --md-default-bg-color: #12161c;
  --md-default-fg-color: rgba(222, 229, 236, 0.94);
  --md-default-fg-color--light: rgba(222, 229, 236, 0.68);
  --md-default-fg-color--lighter: rgba(222, 229, 236, 0.36);
  --md-default-fg-color--lightest: rgba(222, 229, 236, 0.10);

  /* Header / footer (gunmetal) */
  --md-primary-fg-color: #1a212a;
  --md-primary-fg-color--light: #2a3441;
  --md-primary-fg-color--dark: #12181f;
  --md-primary-bg-color: #dfe6ec;
  --md-primary-bg-color--light: rgba(223, 230, 236, 0.68);

  /* Accent (hover, focus, active) */
  --md-accent-fg-color: var(--syn-amber);
  --md-accent-fg-color--transparent: rgba(240, 160, 44, 0.10);
  --md-accent-bg-color: #12161c;
  --md-accent-bg-color--light: rgba(18, 22, 28, 0.68);

  /* Links */
  --md-typeset-a-color: var(--syn-steel-blue);

  /* Code */
  --md-code-bg-color: #1a2029;
  --md-code-fg-color: #9fcbe4;

  /* Local surfaces */
  --syn-panel-bg: #181e26;
  --syn-line: #2b3440;
  --syn-table-head-bg: #1c232d;
  --syn-row-hover: rgba(98, 174, 214, 0.06);
  --syn-mark: var(--syn-amber);
  --syn-link-hover: var(--syn-amber);
}

/* --------------------------------------------------------------------------
   Color scheme: light ("default") — cool steel white, gunmetal chrome
   -------------------------------------------------------------------------- */

[data-md-color-scheme="default"] {
  /* Canvas & text — slightly cool, not pure white */
  --md-default-bg-color: #f7f8fa;
  --md-default-fg-color: rgba(23, 30, 38, 0.92);
  --md-default-fg-color--light: rgba(23, 30, 38, 0.64);
  --md-default-fg-color--lighter: rgba(23, 30, 38, 0.34);
  --md-default-fg-color--lightest: rgba(23, 30, 38, 0.08);

  /* Header / footer stay gunmetal — the brand does not go pastel */
  --md-primary-fg-color: #1e2630;
  --md-primary-fg-color--light: #2c3744;
  --md-primary-fg-color--dark: #161d25;
  --md-primary-bg-color: #e6ebf0;
  --md-primary-bg-color--light: rgba(230, 235, 240, 0.68);

  /* Accent — darker amber for AA contrast on light ground */
  --md-accent-fg-color: var(--syn-amber-deep);
  --md-accent-fg-color--transparent: rgba(153, 98, 26, 0.10);
  --md-accent-bg-color: #ffffff;
  --md-accent-bg-color--light: rgba(255, 255, 255, 0.68);

  /* Links */
  --md-typeset-a-color: var(--syn-steel-blue-deep);

  /* Code */
  --md-code-bg-color: #eceff3;
  --md-code-fg-color: #17547c;

  /* Local surfaces */
  --syn-panel-bg: #eef1f4;
  --syn-line: #d3d9df;
  --syn-table-head-bg: #e6eaee;
  --syn-row-hover: rgba(28, 99, 144, 0.05);
  --syn-mark: var(--syn-amber-deep);
  --syn-link-hover: var(--syn-amber-deep);
}

/* --------------------------------------------------------------------------
   Global chrome — sharp edges, hairline separations
   -------------------------------------------------------------------------- */

.md-header {
  border-bottom: 1px solid rgba(240, 160, 44, 0.35);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
}

.md-header__topic .md-ellipsis,
.md-header__title {
  font-family: var(--syn-font-display);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Navigation tabs — HUD strip */
.md-tabs {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.md-tabs__link {
  font-family: var(--syn-font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.55rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid transparent;
  opacity: 0.72;
}

.md-tabs__link:hover {
  opacity: 1;
}

.md-tabs__item--active .md-tabs__link,
.md-tabs__link--active {
  border-bottom-color: var(--syn-amber);
  opacity: 1;
}

/* Search — angular field, sharp dropdown */
.md-search__form {
  border-radius: var(--syn-radius);
}

[data-md-toggle="search"]:checked ~ .md-header .md-search__form {
  border-radius: var(--syn-radius) var(--syn-radius) 0 0;
}

.md-search__output {
  border-radius: 0 0 var(--syn-radius) var(--syn-radius);
}

.md-search-result__meta {
  font-family: var(--syn-font-display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.68rem;
}

/* Sidebar navigation */
.md-nav__title {
  font-family: var(--syn-font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.md-nav__link--active {
  font-weight: 600;
}

/* "Back to top" button — no pill */
.md-top {
  border-radius: var(--syn-radius);
}

/* Selection & focus */
::selection {
  background: rgba(240, 160, 44, 0.28);
}

/* --------------------------------------------------------------------------
   Typography — Rajdhani display over IBM Plex Sans body
   -------------------------------------------------------------------------- */

.md-typeset {
  font-size: 0.78rem;
  line-height: 1.65;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-typeset h5 {
  font-family: var(--syn-font-display);
  color: var(--md-default-fg-color);
}

.md-typeset h1 {
  font-weight: 700;
  font-size: 2.1em;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--syn-line);
  position: relative;
}

.md-typeset h1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 4.5rem;
  height: 3px;
  background: var(--syn-amber);
  clip-path: polygon(0 0, 100% 0, calc(100% - 0.35rem) 100%, 0 100%);
}

.md-typeset h2 {
  font-weight: 600;
  font-size: 1.5em;
  letter-spacing: 0.03em;
  padding-bottom: 0.25em;
  border-bottom: 1px solid var(--syn-line);
}

.md-typeset h2::before {
  content: "";
  display: inline-block;
  width: 0.5em;
  height: 0.72em;
  margin-right: 0.45em;
  background: var(--syn-amber);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0.28em 100%);
}

.md-typeset h3 {
  font-weight: 600;
  font-size: 1.2em;
  letter-spacing: 0.03em;
}

.md-typeset h4 {
  font-weight: 600;
  font-size: 1em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--light);
}

.md-typeset strong {
  font-weight: 600;
  color: var(--md-default-fg-color);
}

/* Lists — amber tick markers, tighter rhythm */
.md-typeset ul li::marker {
  color: var(--syn-mark);
}

.md-typeset ol li::marker {
  color: var(--syn-mark);
  font-weight: 600;
}

/* Links — steel blue, amber on hover */
.md-typeset a {
  transition: color 100ms;
}

.md-typeset a:hover,
.md-typeset a:focus {
  color: var(--syn-link-hover);
}

/* --------------------------------------------------------------------------
   Blockquotes → notice boxes (the rulebook uses them as alerts)
   -------------------------------------------------------------------------- */

/* [dir="ltr"] matches Material's own blockquote specificity (which otherwise
   wins the padding-left/border-left cascade over a plain .md-typeset selector) */
[dir="ltr"] .md-typeset blockquote,
.md-typeset blockquote {
  position: relative;
  margin: 1.2em 0;
  padding: 0.7em 1em 0.7em 2.75em;
  color: var(--md-default-fg-color);
  background: var(--syn-panel-bg);
  border-left: 3px solid var(--syn-amber);
  border-top: 1px solid var(--syn-line);
  border-right: 1px solid var(--syn-line);
  border-bottom: 1px solid var(--syn-line);
  border-radius: 0;
  clip-path: polygon(0 0, calc(100% - 0.7rem) 0, 100% 0.7rem, 100% 100%, 0 100%);
}

.md-typeset blockquote::before {
  content: "!";
  position: absolute;
  left: 0.85em;
  top: 0.78em;
  width: 1.05em;
  height: 1.05em;
  line-height: 1.05em;
  text-align: center;
  font-family: var(--syn-font-display);
  font-weight: 700;
  font-size: 0.85em;
  color: var(--syn-mark);
  border: 1px solid var(--syn-mark);
  clip-path: polygon(25% 0, 75% 0, 100% 25%, 100% 75%, 75% 100%, 25% 100%, 0 75%, 0 25%);
}

.md-typeset blockquote > :first-child {
  margin-top: 0;
}

.md-typeset blockquote > :last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Tables — data readouts (tax rates, FAT points)
   -------------------------------------------------------------------------- */

.md-typeset table:not([class]) {
  border: 1px solid var(--syn-line);
  border-radius: 0;
  box-shadow: none;
  font-size: 0.74rem;
}

.md-typeset table:not([class]) th {
  font-family: var(--syn-font-display);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--md-default-fg-color);
  background: var(--syn-table-head-bg);
  border-bottom: 2px solid var(--syn-amber);
}

.md-typeset table:not([class]) td {
  border-top: 1px solid var(--syn-line);
}

.md-typeset table:not([class]) tbody tr:hover {
  background: var(--syn-row-hover);
  box-shadow: none;
}

/* --------------------------------------------------------------------------
   Code — EVE transaction identifiers, formulas
   -------------------------------------------------------------------------- */

.md-typeset code {
  border: 1px solid var(--syn-line);
  border-radius: var(--syn-radius);
  padding: 0.1em 0.35em;
  font-size: 0.82em;
}

.md-typeset pre > code {
  border: 1px solid var(--syn-line);
  border-radius: var(--syn-radius);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.md-footer {
  border-top: 1px solid rgba(240, 160, 44, 0.25);
}

.md-footer-meta {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* --------------------------------------------------------------------------
   Print — keep the rulebook printable
   -------------------------------------------------------------------------- */

@media print {
  .md-typeset blockquote {
    clip-path: none;
    background: none;
  }
}