/* ============================================================
   DebugBox Theme – Indigo + Amber
   ============================================================ */

/* Indigo 800 + Amber 800: avoids Material's generic blue/cyan default while keeping
   accessible contrast on both light and dark surfaces. */
:root {
  --md-primary-fg-color: #283593;
  --md-primary-fg-color--light: #5c6bc0;
  --md-primary-fg-color--dark: #1a237e;
  --md-accent-fg-color: #FF8F00;
  --md-accent-fg-color--transparent: rgba(255, 143, 0, 0.1);
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #9FA8DA;
  --md-primary-fg-color--light: #c5cae9;
  --md-primary-fg-color--dark: #7986CB;
  --md-accent-fg-color: #FFD54F;
  --md-accent-fg-color--transparent: rgba(255, 213, 79, 0.1);
}

/* ============================================================
   Hero Section (homepage only)
   ============================================================ */

.db-hero {
  position: relative;
  background: linear-gradient(135deg, #1a237e 0%, #283593 50%, #303f9f 100%);
  color: #fff;
  padding: 4rem 1rem 4.5rem;
  text-align: center;
}

[data-md-color-scheme="slate"] .db-hero {
  background: linear-gradient(135deg, #0d1137 0%, #1a237e 50%, #1e2a6e 100%);
}

/* Pseudo-element used to fade the hero bottom edge into the page background,
   avoiding the abrupt color boundary a hard border or padding would create. */
.db-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--md-default-bg-color));
  pointer-events: none;
}

.db-hero__inner {
  max-width: 960px;
  margin: 0 auto;
}

.db-hero__title {
  font-size: 2.8rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.db-hero__tagline {
  font-size: 1.15rem;
  opacity: 0.9;
  margin: 0 0 2.5rem;
  font-weight: 400;
}

.db-hero__variants {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 0 0 2.5rem;
}

.db-hero__variant {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: transform 0.2s, background 0.2s;
}

.db-hero__variant:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.12);
}

/* Negative margins pull the bar flush with the card edges, countering the 1rem card padding. */
.db-hero__variant-bar {
  height: 4px;
  border-radius: 2px 2px 0 0;
  margin: -1.5rem -1rem 1rem;
}

.db-hero__variant--lite .db-hero__variant-bar {
  background: #78909C;
}

.db-hero__variant--balanced .db-hero__variant-bar {
  background: var(--md-accent-fg-color);
}

.db-hero__variant--power .db-hero__variant-bar {
  background: #E53935;
}

/* Balanced is the recommended default: amber border + tint */
.db-hero__variant--balanced {
  border-color: var(--md-accent-fg-color);
  background: rgba(255, 143, 0, 0.1);
}

.db-hero__variant-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.db-hero__variant-size {
  font-size: 1.5rem;
  font-weight: 300;
  margin: 0 0 0.5rem;
  opacity: 0.95;
}

.db-hero__variant-desc {
  font-size: 0.85rem;
  opacity: 0.75;
  margin: 0;
}

.db-hero__variant-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--md-accent-fg-color);
  color: #1a237e;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  margin-top: 0.75rem;
}

.db-hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.db-hero__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.6rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.db-hero__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.db-hero__btn--primary {
  background: var(--md-accent-fg-color);
  color: #1a237e;
}

.db-hero__btn--secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

@media (max-width: 600px) {
  .db-hero { padding: 2.5rem 1rem 2rem; }
  .db-hero__title { font-size: 2rem; }
  .db-hero__tagline { font-size: 1rem; }
  .db-hero__variants { grid-template-columns: 1fr; gap: 0.75rem; }
  .db-hero__actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .md-typeset pre { font-size: 0.78rem; }
}

@media (max-width: 400px) {
  .db-hero { padding: 1.75rem 0.75rem 1.5rem; }
  .db-hero__title { font-size: 1.75rem; }
}

/* ============================================================
   Grid Cards (Explore the Docs)
   ============================================================ */

.grid.cards ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  list-style: none;
  padding: 0;
}

.grid.cards li {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  padding: 1.25rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.grid.cards li:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  border-color: var(--md-accent-fg-color);
}

[data-md-color-scheme="slate"] .grid.cards li:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   Tables
   ============================================================ */

.md-typeset table:not([class]) th {
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.6rem 0.75rem;
  background-color: rgba(40, 53, 147, 0.08);
  border-bottom: 2px solid var(--md-primary-fg-color--light);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background-color: rgba(159, 168, 218, 0.1);
  border-bottom-color: var(--md-primary-fg-color--dark);
}

/* display:block is required before overflow-x takes effect; the native table display model
   expands to content width regardless of overflow settings. */
.md-typeset table:not([class]) {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.md-typeset table:not([class]) td {
  font-size: 0.875rem;
  font-weight: 400;
  padding: 0.5rem 0.75rem;
  vertical-align: top;
  line-height: 1.5;
}

.md-typeset table:not([class]) tbody tr:nth-child(even) {
  background-color: var(--md-default-bg-color--light);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) tbody tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.05);
}

/* ============================================================
   Code Blocks
   ============================================================ */

/* Horizontal scroll over word-wrap: wrapping breaks command syntax and multi-token flags. */
.md-typeset pre {
  border-radius: 6px;
  border: 1px solid var(--md-default-fg-color--lightest);
  overflow-x: auto;
}

[data-md-color-scheme="slate"] .md-typeset pre {
  border-color: rgba(255, 255, 255, 0.06);
}

/* ============================================================
   Last Updated Label
   ============================================================ */

.md-source-file__fact::before {
  content: "Last Updated: ";
  font-weight: 600;
}

.md-source-file__fact svg {
  display: none !important;
}

.md-source-file__fact::after {
  content: " PKT";
  font-weight: 600;
  color: var(--md-default-fg-color);
}

.md-source-file__fact {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: var(--md-default-fg-color--light);
}

/* ============================================================
   Header – force deeper indigo to match hero
   ============================================================ */

.md-header,
.md-tabs {
  background-color: #1a237e;
}

[data-md-color-scheme="slate"] .md-header,
[data-md-color-scheme="slate"] .md-tabs {
  background-color: #141d5e;
}

/* ============================================================
   Navigation – hover and focus-visible states
   ============================================================ */

.md-tabs__link:hover {
  color: rgba(255, 255, 255, 0.9);
  opacity: 1;
}

.md-header__title a:hover {
  opacity: 0.85;
}

/* focus-visible limits the outline to keyboard navigation; mouse clicks do not trigger it. */
.md-tabs__link:focus-visible,
.md-nav__link:focus-visible {
  outline: 2px solid var(--md-accent-fg-color);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ============================================================
   Announcement Bar
   ============================================================ */

.md-banner {
  background: #1a237e;
  color: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.md-banner a {
  color: #FFD54F;
  font-weight: 600;
}

[data-md-color-scheme="slate"] .md-banner {
  background: #0d1137;
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

[data-md-color-scheme="slate"] .md-banner a {
  color: #FFD54F;
}

/* ============================================================
   Reading Scroll Progress Bar
   ============================================================ */

/* animation-timeline: scroll() requires Chrome 115+ / Firefox 110+. Degrades silently
   in older browsers; the bar is simply absent with no functional loss. */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--md-accent-fg-color);
  z-index: 9999;
  pointer-events: none;
  transform-origin: left;
  transform: scaleX(0);
  animation: scroll-progress-grow linear;
  animation-timeline: scroll();
}

@keyframes scroll-progress-grow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* ============================================================
   Typography
   ============================================================ */

/* Material sets html { font-size: 125% }, so 1rem = 20px. 0.9rem (~18px) is more
   comfortable than the library default for dense technical prose. */
.md-typeset {
  font-size: 0.9rem;
  line-height: 1.7;
}

.md-content__inner {
  max-width: 860px;
}

.md-typeset h1 {
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.md-typeset h2 {
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.md-typeset h3 {
  line-height: 1.4;
}

/* ============================================================
   Inline Code – palette-aware indigo tint
   ============================================================ */

/* :not(pre > code) targets inline spans only; without it, the tint would override
   syntax-highlight colors inside code blocks. */
.md-typeset code:not(pre > code) {
  background-color: rgba(40, 53, 147, 0.07);
  color: #283593;
  border-radius: 3px;
}

[data-md-color-scheme="slate"] .md-typeset code:not(pre > code) {
  background-color: rgba(159, 168, 218, 0.14);
  color: #c5cae9;
}

/* ============================================================
   Code Block – dark mode contrast
   ============================================================ */

/* Material's default dark-mode code background is too light against the deeper slate
   surface used here; this darkens it to match. */
[data-md-color-scheme="slate"] {
  --md-code-bg-color: hsla(225, 15%, 20%, 1);
}

/* ============================================================
   Admonitions – remap note and tip to the site palette
   ============================================================ */

/* note: indigo */
.md-typeset .admonition.note,
.md-typeset details.note {
  border-color: #5c6bc0;
}

.md-typeset .note > .admonition-title,
.md-typeset .note > summary {
  background-color: rgba(92, 107, 192, 0.1);
}

.md-typeset .note > .admonition-title::before,
.md-typeset .note > summary::before {
  background-color: #5c6bc0;
}

/* tip: amber */
.md-typeset .admonition.tip,
.md-typeset details.tip {
  border-color: #FF8F00;
}

.md-typeset .tip > .admonition-title,
.md-typeset .tip > summary {
  background-color: rgba(255, 143, 0, 0.1);
}

.md-typeset .tip > .admonition-title::before,
.md-typeset .tip > summary::before {
  background-color: #FF8F00;
}