/* ==========================================================================
   HTP-1 documentation — theme refinements on top of Material for MkDocs.
   Charcoal + warm amber. Kept deliberately small: colour, type, and the few
   elements this manual leans on most (screenshots, tables, admonitions).
   ========================================================================== */

/* --- Palette -------------------------------------------------------------- */

:root {
  --htp-ink: #14161a;
  --htp-ink-soft: #1d2026;
  --htp-amber: #e0a458;
  --htp-amber-deep: #b8813a;
  --htp-paper: #fafaf9;
  --htp-rule: #e5e3df;

  /* Icons used as CSS masks (Material Design Icons: link-variant, check). */
  --htp-icon-link: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M10.59 13.41c.41.39.41 1.03 0 1.42-.39.39-1.03.39-1.42 0a5.003 5.003 0 0 1 0-7.07l3.54-3.54a5.003 5.003 0 0 1 7.07 0 5.003 5.003 0 0 1 0 7.07l-1.49 1.49c.01-.82-.12-1.64-.4-2.42l.47-.48a2.982 2.982 0 0 0 0-4.24 2.982 2.982 0 0 0-4.24 0l-3.53 3.53a2.982 2.982 0 0 0 0 4.24m2.82-4.24c.39-.39 1.03-.39 1.42 0a5.003 5.003 0 0 1 0 7.07l-3.54 3.54a5.003 5.003 0 0 1-7.07 0 5.003 5.003 0 0 1 0-7.07l1.49-1.49c-.01.82.12 1.64.4 2.43l-.47.47a2.982 2.982 0 0 0 0 4.24 2.982 2.982 0 0 0 4.24 0l3.53-3.53a2.982 2.982 0 0 0 0-4.24c-.41-.39-.41-1.03 0-1.42z'/%3E%3C/svg%3E");
  --htp-icon-check: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M21 7 9 19l-5.5-5.5 1.41-1.41L9 16.17 19.59 5.59z'/%3E%3C/svg%3E");
}

[data-md-color-scheme="htp1-light"] {
  --md-primary-fg-color: var(--htp-ink);
  --md-primary-fg-color--light: var(--htp-ink-soft);
  --md-primary-fg-color--dark: #0d0f12;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: #ffffffb3;

  --md-accent-fg-color: var(--htp-amber-deep);
  --md-accent-fg-color--transparent: #b8813a1a;

  --md-default-bg-color: var(--htp-paper);
  --md-default-fg-color: #22252b;
  --md-default-fg-color--light: #5b6068;
  --md-default-fg-color--lighter: #8b9098;

  --md-typeset-a-color: var(--htp-amber-deep);
  --md-code-bg-color: #f2f1ee;
  --md-footer-bg-color: var(--htp-ink);
  --md-footer-bg-color--dark: #0d0f12;
}

/* Amber sits under the active tab and the search focus ring rather than being
   sprayed across the header. */
.md-tabs__link--active,
.md-nav__link--active {
  color: inherit;
}
.md-tabs__item--active .md-tabs__link {
  box-shadow: inset 0 -2px 0 var(--htp-amber);
}

/* --- Typography ----------------------------------------------------------- */

.md-typeset {
  font-size: 0.78rem;
  line-height: 1.68;
}

.md-typeset h1 {
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--md-default-fg-color);
}

.md-typeset h2 {
  font-weight: 620;
  letter-spacing: -0.012em;
  margin-top: 2.2em;
  padding-bottom: 0.28em;
  border-bottom: 1px solid var(--htp-rule);
}

.md-typeset h3 {
  font-weight: 600;
  letter-spacing: -0.006em;
  margin-top: 1.6em;
}

/* A slightly narrower measure reads better for long instructional prose.
   Left-aligned rather than centred, so the text starts at the same place on
   every page whether or not that page has a table of contents. */
.md-content__inner {
  max-width: 46rem;
}

/* --- Heading anchors ------------------------------------------------------ */

/* Swap the pilcrow for a link icon, and show a tick once the URL is copied. */
.md-typeset .headerlink {
  font-size: 0; /* hides the ¶ glyph without removing the link text node */
  vertical-align: middle;
}

/* Sized in rem, not em: the parent's font-size is 0 to hide the pilcrow, so an
   em-based size would collapse to nothing. */
.md-typeset .headerlink::after {
  content: "";
  display: inline-block;
  width: 0.85rem;
  height: 0.85rem;
  background-color: currentColor;
  -webkit-mask: var(--htp-icon-link) center / contain no-repeat;
  mask: var(--htp-icon-link) center / contain no-repeat;
}

.md-typeset .headerlink--copied {
  color: var(--htp-amber-deep);
}

.md-typeset .headerlink--copied::after {
  -webkit-mask: var(--htp-icon-check) center / contain no-repeat;
  mask: var(--htp-icon-check) center / contain no-repeat;
}

/* --- Screenshots ---------------------------------------------------------- */

/* The manual is image-heavy; giving captures a frame separates interface from
   page and stops light screenshots bleeding into the background.
   The exclusions sit inside :where() so they add no specificity — otherwise
   this rule outweighs the narrower exemptions below and frames everything. */
.md-typeset img:where(:not(.twemoji)):where(:not(.md-logo img)) {
  border: 1px solid var(--htp-rule);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(20, 22, 26, 0.05), 0 6px 18px rgba(20, 22, 26, 0.06);
}

/* Logos and diagrams on the manual landing page are not screenshots. */
.md-typeset .no-frame img,
.md-typeset img[src*="logo-"] {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

/* --- Manual landing hero -------------------------------------------------- */

/* One white panel behind the product shot and the format logos. The panel is
   rounded; the images inside it are not framed, since several of the logo files
   already carry their own white background and a border would box them in. */
.md-typeset .product-hero {
  background: #ffffff;
  border: 1px solid var(--htp-rule);
  border-radius: 12px;
  padding: 1.4rem 1.4rem 1rem;
  margin: 0 0 2rem;
  text-align: center;
}

.md-typeset .product-hero img {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.md-typeset .product-hero .product-shot {
  width: 100%;
  max-width: 392px;
  height: auto;
}

.md-typeset .product-hero .format-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.75rem;
  margin-top: 0.9rem;
}

.md-typeset .product-hero .format-logos img[alt="Dolby Atmos"] { height: 21px; width: auto; }
.md-typeset .product-hero .format-logos img[alt="DTS:X"]       { height: 31px; width: auto; }
.md-typeset .product-hero .format-logos img[alt="Auro-3D"]     { height: 28px; width: auto; }
.md-typeset .product-hero .format-logos img[alt="Dirac"]       { height: 28px; width: auto; }

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

/* Quieter than the default: hairline rules, roomier cells, no heavy header. */
.md-typeset table:not([class]) {
  border: 1px solid var(--htp-rule);
  border-radius: 8px;
  box-shadow: none;
  font-size: 0.72rem;
}

.md-typeset table:not([class]) th {
  background: transparent;
  font-weight: 620;
  letter-spacing: 0.01em;
  border-bottom: 1px solid var(--htp-rule);
}

.md-typeset table:not([class]) td {
  border-top: 1px solid var(--htp-rule);
  padding: 0.62em 0.9em;
}

.md-typeset table:not([class]) tr:first-child td {
  border-top: 0;
}

/* --- Admonitions ---------------------------------------------------------- */

/* Flatter and less saturated than the stock treatment. */
.md-typeset .admonition,
.md-typeset details {
  border: 1px solid var(--htp-rule);
  border-left-width: 3px;
  border-radius: 6px;
  box-shadow: none;
  font-size: 0.74rem;
}

.md-typeset .admonition-title,
.md-typeset summary {
  background: transparent !important;
  font-weight: 620;
}

.md-typeset .admonition-title::before,
.md-typeset summary::before {
  background-color: currentColor;
}

.md-typeset .note { border-left-color: #5b7a99; }
.md-typeset .tip  { border-left-color: #4d8b76; }
.md-typeset .warning { border-left-color: var(--htp-amber-deep); }

/* --- Grid cards ----------------------------------------------------------- */

.md-typeset .grid.cards > ul > li {
  position: relative;
  border: 1px solid var(--htp-rule);
  border-radius: 10px;
  box-shadow: none;
  transition: border-color 120ms, transform 120ms, box-shadow 120ms;
}

.md-typeset .grid.cards > ul > li:hover {
  border-color: var(--htp-amber);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(20, 22, 26, 0.07);
}

.md-typeset .grid.cards > ul > li > hr {
  margin: 0.6em 0 0.8em;
  border-color: var(--htp-rule);
}

/* Home page: keep the cards on a single row on desktop, stacking on narrow
   screens where three columns would be unreadable.
   Note the grid lives on the .grid element itself — Material sets the inner
   <ul> to display:contents, so targeting the list has no effect. minmax(0,1fr)
   lets columns shrink to fit rather than overflowing the content area. */
.md-typeset .grid.cards.home-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.md-typeset .grid.cards.home-cards > ul > li > p {
  font-size: 0.72rem;
}

@media screen and (max-width: 59.9375em) {
  .md-typeset .grid.cards.home-cards {
    grid-template-columns: 1fr;
  }
}

/* Make the whole card a click target. The card's final link is stretched over
   the card, so the text of the link stays the accessible name while the entire
   surface is clickable. Cards without a link are unaffected. */
.md-typeset .grid.cards > ul > li > p:last-of-type > a:only-child::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.md-typeset .grid.cards > ul > li:hover > p:last-of-type > a:only-child {
  color: var(--htp-amber-deep);
}

/* Keep any other links in the card (there are none today, but a future card
   may carry one) above the stretched overlay. */
.md-typeset .grid.cards > ul > li a:not(:only-child) {
  position: relative;
  z-index: 1;
}

/* --- Header and footer ---------------------------------------------------- */

.md-header {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.md-header__title {
  font-weight: 620;
  letter-spacing: -0.01em;
}

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

/* The stock placeholder is heavy for what is only a prompt. */
.md-search__input {
  font-size: 0.72rem;
  font-weight: 300;
}

.md-search__input::placeholder {
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.01em;
  opacity: 0.62;
}

.md-search__icon svg {
  width: 1.05rem;
  height: 1.05rem;
}

.md-footer-meta {
  font-size: 0.68rem;
}