/* Reasonable Audio — Rack Sheet styling for MkDocs Material */

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

@font-face {
  font-family: "Rubik";
  src: url("../assets/fonts/Rubik-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: "Rubik";
  src: url("../assets/fonts/Rubik-Bold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
}

@font-face {
  font-family: "Rubik";
  src: url("../assets/fonts/Rubik-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
}

@font-face {
  font-family: "Quantico";
  src: url("../assets/fonts/Quantico-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
}

:root {
  --md-text-font: "Rubik", sans-serif;
  --md-code-font: "JetBrains Mono", monospace;
  --md-primary-fg-color: var(--ra-primary);
  --md-primary-fg-color--light: var(--ra-primary-container);
  --md-primary-fg-color--dark: var(--ra-link);
  --md-primary-bg-color: var(--ra-on-background);
  --md-accent-fg-color: var(--ra-primary);
  --md-accent-fg-color--transparent: color-mix(in srgb, var(--ra-primary) 20%, transparent);
  --md-default-bg-color: var(--ra-background);
  --md-default-fg-color: var(--ra-on-background);
  --md-default-fg-color--light: var(--ra-on-surface-variant);
  --md-default-fg-color--lighter: color-mix(in srgb, var(--ra-on-surface-variant) 60%, transparent);
  --md-typeset-a-color: var(--ra-link);
  --md-typeset-table-color: var(--rule-hair);
  --md-typeset-table-color--light: color-mix(in srgb, var(--ra-on-background) 6%, transparent);
}

/* Material keeps data-md-color-scheme=default on <body> with light palette vars.
   Re-map them when the site theme toggle adds .dark on <html>. */
html.dark [data-md-color-scheme="default"] {
  color-scheme: dark;
  --md-default-fg-color: var(--ra-on-background);
  --md-default-fg-color--light: var(--ra-on-surface-variant);
  --md-default-fg-color--lighter: color-mix(in srgb, var(--ra-on-surface-variant) 60%, transparent);
  --md-default-bg-color: var(--ra-background);
  --md-default-bg-color--light: color-mix(in srgb, var(--ra-background) 54%, transparent);
  --md-code-fg-color: var(--ra-on-background);
  --md-code-bg-color: var(--sheet-paper);
  --md-typeset-table-color: var(--rule-hair);
  --md-typeset-table-color--light: color-mix(in srgb, var(--ra-on-background) 6%, transparent);
}

html {
  background: var(--ra-background);
  font-size: 100%;
}

body {
  font-feature-settings: "kern";
  font-size: var(--ra-body-md);
  background: var(--ra-background);
  color: var(--ra-on-background);
}

.theme-transition,
.theme-transition * {
  transition: border-color 0.25s ease-out, color 0.25s ease-out, background-color 0.25s ease-out, fill 0.25s ease-out !important;
}

html.dark .theme-ui-light { display: none !important; }
html:not(.dark) .theme-ui-dark { display: none !important; }

/* ── Header ── */

.md-header {
  background: color-mix(in srgb, var(--ra-background) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ra-outline-variant);
  box-shadow: none;
}

.md-header__inner {
  max-width: none;
}

.md-header__button {
  color: var(--ra-on-background);
}

.md-header__actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.md-header__button.md-logo.md-header__brand {
  display: inline-flex;
  flex-flow: row nowrap;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  width: auto;
  max-width: none;
  text-decoration: none;
}

.md-header__brand:hover .md-header__brand-name {
  color: var(--ra-primary);
}

.md-header__brand-name {
  font-family: "Quantico", sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--ra-on-background);
  white-space: nowrap;
  line-height: 1;
  flex-shrink: 0;
}

.md-header__button.md-logo.md-header__brand img {
  display: block;
  height: 1.5rem;
  width: auto;
  flex-shrink: 0;
}

.theme-toggle-btn {
  flex-shrink: 0;
  padding: 0.375rem;
  border-radius: 0.5rem;
  border: none;
  background: transparent;
  color: var(--ra-on-background);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease-out, background-color 0.2s ease-out;
}

.theme-toggle-btn:hover {
  color: var(--ra-primary);
  background: var(--ra-surface-container-low);
}

.theme-toggle-btn svg {
  width: 1.5rem;
  height: 1.5rem;
}

.theme-icon-sun.hidden,
.theme-icon-moon.hidden {
  display: none;
}

.md-search__form {
  background: var(--ra-surface-container-lowest);
  border: 1px solid var(--ra-outline-variant);
}

.md-search__input {
  color: var(--ra-on-background);
}

.md-search__input::placeholder {
  color: var(--ra-on-surface-variant);
}

/* ── Sidebar nav ── */

.md-sidebar {
  background: var(--ra-background);
}

.md-nav {
  font-size: var(--ra-body-md);
}

.md-nav__title {
  font-family: "JetBrains Mono", monospace;
  font-size: var(--ra-label-technical);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ra-outline);
  background: var(--ra-background);
}

.md-nav__link {
  font-size: inherit;
  line-height: 1.5;
  color: var(--ra-on-surface-variant);
}

.md-nav__link:hover,
.md-nav__link--active {
  color: var(--ra-primary);
}

.md-nav__item--section > .md-nav__link {
  font-family: "JetBrains Mono", monospace;
  font-size: var(--ra-label-technical);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ra-outline);
}

.md-nav__link--active {
  font-weight: 600;
  color: var(--ra-on-background);
}

.md-nav--secondary {
  font-size: var(--ra-body-md);
}

.md-nav--secondary .md-nav__title {
  border-bottom: 1px solid var(--rule-hair);
}

/* ── Main content ── */

.md-content {
  background: transparent;
}

.md-main__inner {
  margin-top: 0;
}

.md-typeset {
  font-size: var(--ra-body-md);
  line-height: 1.5;
  color: var(--ra-on-background);
}

.md-typeset h1 {
  font-weight: 700;
  font-size: var(--ra-headline-sm);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ra-on-background);
  border-bottom: 2px solid var(--rule-heavy);
  padding-bottom: 0.5rem;
}

.md-typeset h2 {
  font-weight: 600;
  font-size: var(--ra-headline-md);
  letter-spacing: 0.01em;
  line-height: 1.2;
  color: var(--ra-on-background);
  border-top: 2px solid var(--rule-heavy);
  border-bottom: 1px solid var(--rule-hair);
  padding-top: 1.25rem;
  padding-bottom: 0.375rem;
  margin-top: 2rem;
}

.md-typeset h3 {
  font-family: "JetBrains Mono", monospace;
  font-weight: 500;
  font-size: var(--ra-label-technical);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ra-on-surface-variant);
}

.md-typeset a {
  color: var(--ra-link);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--ra-link) 40%, transparent);
}

.md-typeset a:hover {
  color: var(--ra-link-hover);
}

.md-typeset code {
  background: color-mix(in srgb, var(--ra-on-background) 6%, transparent);
  color: var(--ra-on-background);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875em;
}

.md-typeset pre {
  background: var(--sheet-paper);
  border: 1px solid var(--rule-hair);
  border-radius: 4px;
}

.md-typeset img {
  border-radius: 10px;
  border: none;
  background: var(--figure-bg);
  box-shadow: var(--figure-shadow);
}

.md-typeset table:not([class]) {
  font-size: var(--ra-body-md);
  background-color: var(--sheet-paper);
  color: var(--ra-on-background);
  border: 1px solid var(--rule-hair);
  border-radius: 4px;
  overflow: hidden;
}

.md-typeset table:not([class]) th {
  background: var(--sheet-paper);
  color: var(--ra-on-background);
  font-family: "JetBrains Mono", monospace;
  font-weight: 500;
  font-size: var(--ra-label-technical);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--rule-heavy);
}

.md-typeset table:not([class]) td {
  color: var(--ra-on-background);
  background: transparent;
  border-color: var(--rule-hair);
  font-size: var(--ra-body-md);
  padding: 0.5rem 0.75rem;
}

.md-typeset table:not([class]) tbody tr:hover {
  background-color: var(--md-typeset-table-color--light);
}

.md-typeset table:not([class]) td a {
  color: var(--ra-link);
  font-weight: 600;
}

.md-typeset table:not([class]) td a:hover {
  color: var(--ra-link-hover);
}

.md-typeset blockquote {
  border-left: 3px solid var(--ra-primary);
  background: var(--sheet-paper);
  color: var(--ra-on-surface-variant);
}

/* ── Footer ── */

.ra-footer {
  border-top: 1px solid var(--rule-hair);
  background: var(--ra-surface-container-lowest);
  padding: 1.5rem 1rem;
  margin-top: 2rem;
}

.ra-footer__inner {
  max-width: 61rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .ra-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.ra-footer__legal {
  font-family: "JetBrains Mono", monospace;
  font-size: var(--ra-label-technical);
  letter-spacing: 0.05em;
  color: var(--ra-on-surface-variant);
  max-width: 36rem;
}

.ra-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.ra-footer__links a {
  font-family: "JetBrains Mono", monospace;
  font-size: var(--ra-label-technical);
  letter-spacing: 0.05em;
  color: var(--ra-on-surface-variant);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.15s ease-out, color 0.15s ease-out;
}

.ra-footer__links a:hover {
  opacity: 1;
  color: var(--ra-primary);
}

.ra-footer__social {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ra-footer__social a {
  display: inline-flex;
  padding: 0.25rem;
  color: var(--ra-on-surface-variant);
  opacity: 0.7;
  transition: opacity 0.15s ease-out, color 0.15s ease-out;
}

.ra-footer__social a:hover {
  opacity: 1;
  color: var(--ra-primary);
}

.ra-footer__social svg {
  width: 1.5rem;
  height: 1.5rem;
  fill: currentColor;
}

/* Hide default Material footer when custom footer is present */
.md-footer-meta {
  display: none;
}