/* ── Dark Elegant Theme ── */

:root {
  --elegant-bg: #0a0a0a;
  --elegant-surface: #141414;
  --elegant-surface-hover: #1a1a1a;
  --elegant-border: #242424;
  --elegant-text: #e4e4e7;
  --elegant-text-muted: #a1a1aa;
  --elegant-accent: #a78bfa;
  --elegant-accent-hover: #c4b5fd;
  --elegant-code-bg: #111111;
  --elegant-light-bg: #fafafa;
  --elegant-light-surface: #ffffff;
  --elegant-light-border: #e4e4e7;
  --elegant-light-text: #18181b;
  --elegant-light-text-muted: #71717a;
  --elegant-light-accent: #7c3aed;
  --elegant-light-accent-hover: #6d28d9;
  --elegant-light-code-bg: #f4f4f5;
  --elegant-transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Typography ── */

[data-md-color-scheme="slate"] .md-typeset {
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--elegant-text);
}

[data-md-color-scheme="default"] .md-typeset {
  font-size: 0.82rem;
  line-height: 1.75;
}

.md-typeset h1 {
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1em;
}

.md-typeset h2 {
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-top: 2em;
}

.md-typeset h3,
.md-typeset h4 {
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ── Dark Scheme ── */

[data-md-color-scheme="slate"] {
  --md-default-bg-color: var(--elegant-bg);
  --md-default-fg-color: var(--elegant-text);
  --md-primary-fg-color: var(--elegant-surface);
  --md-primary-bg-color: var(--elegant-text);
  --md-accent-fg-color: var(--elegant-accent);
  --md-typeset-a-color: var(--elegant-accent);
  --md-code-bg-color: var(--elegant-code-bg);
  --md-code-fg-color: #d4d4d8;
  --md-footer-bg-color: var(--elegant-surface);
  --md-footer-fg-color: var(--elegant-text-muted);
}

[data-md-color-scheme="slate"] .md-header {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--elegant-border);
  box-shadow: none;
}

[data-md-color-scheme="slate"] .md-tabs {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--elegant-border);
}

[data-md-color-scheme="slate"] .md-nav--primary .md-nav__item--active > .md-nav__link {
  color: var(--elegant-accent);
}

[data-md-color-scheme="slate"] .md-sidebar {
  border-right: 1px solid var(--elegant-border);
}

[data-md-color-scheme="slate"] .md-typeset a {
  color: var(--elegant-accent);
  text-decoration: none;
  transition: color var(--elegant-transition);
}

[data-md-color-scheme="slate"] .md-typeset a:hover {
  color: var(--elegant-accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

[data-md-color-scheme="slate"] .md-typeset code {
  background: var(--elegant-code-bg);
  border: 1px solid var(--elegant-border);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  font-size: 0.85em;
}

[data-md-color-scheme="slate"] .md-typeset pre {
  border: 1px solid var(--elegant-border);
  border-radius: 8px;
  overflow: hidden;
}

[data-md-color-scheme="slate"] .md-typeset pre > code {
  border: none;
  border-radius: 0;
  padding: 1em 1.2em;
}

[data-md-color-scheme="slate"] .md-footer {
  border-top: 1px solid var(--elegant-border);
}

/* ── Light Scheme ── */

[data-md-color-scheme="default"] {
  --md-default-bg-color: var(--elegant-light-bg);
  --md-primary-fg-color: var(--elegant-light-surface);
  --md-primary-bg-color: var(--elegant-light-text);
  --md-accent-fg-color: var(--elegant-light-accent);
  --md-typeset-a-color: var(--elegant-light-accent);
  --md-code-bg-color: var(--elegant-light-code-bg);
  --md-footer-bg-color: var(--elegant-light-surface);
  --md-footer-fg-color: var(--elegant-light-text-muted);
}

[data-md-color-scheme="default"] .md-header {
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--elegant-light-border);
  box-shadow: none;
  color: var(--elegant-light-text);
}

[data-md-color-scheme="default"] .md-header .md-header__title,
[data-md-color-scheme="default"] .md-header .md-header__topic,
[data-md-color-scheme="default"] .md-header .md-header__button {
  color: var(--elegant-light-text);
}

[data-md-color-scheme="default"] .md-tabs {
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--elegant-light-border);
  color: var(--elegant-light-text);
}

[data-md-color-scheme="default"] .md-tabs .md-tabs__link {
  color: var(--elegant-light-text-muted);
}

[data-md-color-scheme="default"] .md-tabs .md-tabs__link--active,
[data-md-color-scheme="default"] .md-tabs .md-tabs__link:hover {
  color: var(--elegant-light-text);
}

[data-md-color-scheme="default"] .md-sidebar {
  border-right: 1px solid var(--elegant-light-border);
}

[data-md-color-scheme="default"] .md-typeset a {
  color: var(--elegant-light-accent);
  text-decoration: none;
  transition: color var(--elegant-transition);
}

[data-md-color-scheme="default"] .md-typeset a:hover {
  color: var(--elegant-light-accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

[data-md-color-scheme="default"] .md-typeset code {
  background: var(--elegant-light-code-bg);
  border: 1px solid var(--elegant-light-border);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  font-size: 0.85em;
}

[data-md-color-scheme="default"] .md-typeset pre {
  border: 1px solid var(--elegant-light-border);
  border-radius: 8px;
  overflow: hidden;
}

[data-md-color-scheme="default"] .md-typeset pre > code {
  border: none;
  border-radius: 0;
  padding: 1em 1.2em;
}

[data-md-color-scheme="default"] .md-footer {
  border-top: 1px solid var(--elegant-light-border);
}

[data-md-color-scheme="default"] .md-nav--primary .md-nav__item--active > .md-nav__link {
  color: var(--elegant-light-accent);
}

/* ── Shared Refinements ── */

.md-content {
  max-width: 52rem;
}

.md-nav__link {
  transition: color var(--elegant-transition);
}

.md-search__form {
  border-radius: 8px;
}

.md-typeset .admonition,
.md-typeset details {
  border-radius: 8px;
  border-left-width: 3px;
  box-shadow: none;
}

[data-md-color-scheme="slate"] .md-typeset .admonition,
[data-md-color-scheme="slate"] .md-typeset details {
  background: var(--elegant-surface);
  border-color: var(--elegant-border);
}

.md-typeset .admonition-title,
.md-typeset summary {
  font-weight: 600;
}

.md-typeset table:not([class]) {
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.85em;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background: var(--elegant-surface);
  border-bottom: 1px solid var(--elegant-border);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) td {
  border-bottom: 1px solid var(--elegant-border);
}

[data-md-color-scheme="default"] .md-typeset table:not([class]) th {
  background: var(--elegant-light-code-bg);
  border-bottom: 1px solid var(--elegant-light-border);
}

[data-md-color-scheme="default"] .md-typeset table:not([class]) td {
  border-bottom: 1px solid var(--elegant-light-border);
}

.md-typeset .md-button {
  border-radius: 8px;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all var(--elegant-transition);
}

.md-clipboard {
  border-radius: 6px;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid {
  --mermaid-font-family: "Inter", sans-serif;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid text,
[data-md-color-scheme="slate"] .md-typeset .mermaid .nodeLabel,
[data-md-color-scheme="slate"] .md-typeset .mermaid .edgeLabel,
[data-md-color-scheme="slate"] .md-typeset .mermaid .label,
[data-md-color-scheme="slate"] .md-typeset .mermaid span {
  color: #e4e4e7 !important;
  fill: #e4e4e7 !important;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .node rect,
[data-md-color-scheme="slate"] .md-typeset .mermaid .node circle,
[data-md-color-scheme="slate"] .md-typeset .mermaid .node polygon {
  fill: #1e1b4b !important;
  stroke: #6d28d9 !important;
  stroke-width: 1.5px;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .cluster rect {
  fill: #141414 !important;
  stroke: #242424 !important;
  stroke-width: 1px;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .cluster text,
[data-md-color-scheme="slate"] .md-typeset .mermaid .cluster span {
  color: #a1a1aa !important;
  fill: #a1a1aa !important;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .edgePath .path {
  stroke: #525252 !important;
  stroke-width: 1.5px;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .arrowheadPath {
  fill: #525252 !important;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .edgeLabel {
  background-color: #0a0a0a !important;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid .edgeLabel rect {
  fill: #0a0a0a !important;
  opacity: 1 !important;
}

[data-md-color-scheme="slate"] .md-typeset .mermaid marker path {
  fill: #525252 !important;
  stroke: #525252 !important;
}

.md-nav__link--passed {
  opacity: 0.7;
}

.md-typeset .tabbed-set .tabbed-labels {
  border-bottom-width: 1px;
}

[data-md-color-scheme="slate"] .md-typeset .tabbed-set .tabbed-labels {
  border-color: var(--elegant-border);
}