/* ============================================================
   ORO Infrastructure Docs — Dark Theme
   Inspired by: Vercel, Linear, Stripe (dark mode)
   ============================================================ */

/* ── Core background & foreground ───────────────────────── */
[data-md-color-scheme="slate"] {
  --md-default-bg-color:           #0f1117;
  --md-default-bg-color--light:    #161922;
  --md-default-bg-color--lighter:  #1c2030;
  --md-default-bg-color--lightest: #222636;

  --md-default-fg-color:           hsla(230, 25%, 93%, 0.90);
  --md-default-fg-color--light:    hsla(230, 25%, 93%, 0.56);
  --md-default-fg-color--lighter:  hsla(230, 25%, 93%, 0.32);
  --md-default-fg-color--lightest: hsla(230, 25%, 93%, 0.07);

  --md-code-bg-color:   #13162a;
  --md-code-fg-color:   #cdd5f0;

  --md-typeset-a-color: #8b84ff;

  --md-primary-fg-color:    #0d0f16;
  --md-primary-bg-color:    hsla(230, 25%, 93%, 0.87);

  --md-accent-fg-color:     #7c6aff;
  --md-accent-fg-color--transparent: rgba(124, 106, 255, 0.10);
}

/* ── Header ─────────────────────────────────────────────── */
.md-header {
  background-color: #0d0f16 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: none !important;
}

.md-header__title {
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ── Navigation tabs ─────────────────────────────────────── */
.md-tabs {
  background-color: #0d0f16 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.md-tabs__link {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  opacity: 0.65;
}

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

/* ── Sidebar ─────────────────────────────────────────────── */
[data-md-color-scheme="slate"] .md-sidebar {
  background-color: #0f1117;
}

[data-md-color-scheme="slate"] .md-nav__title {
  background-color: #0f1117;
}

.md-nav__link--active {
  color: #8b84ff !important;
  font-weight: 500;
}

.md-nav__item--active > .md-nav__link {
  color: #8b84ff;
}

/* ── Main content ────────────────────────────────────────── */
.md-main__inner {
  margin-top: 0;
}

.md-content__inner {
  padding-top: 2.2rem;
  padding-bottom: 3rem;
  max-width: 860px;
}

/* ── Typography ──────────────────────────────────────────── */
.md-typeset h1 {
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.md-typeset h2 {
  font-weight: 600;
  letter-spacing: -0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding-bottom: 0.3em;
  margin-top: 2.2em;
}

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

.md-typeset p,
.md-typeset li {
  line-height: 1.75;
}

.md-typeset a {
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 132, 255, 0.3);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.md-typeset a:hover {
  border-bottom-color: #8b84ff;
  color: #8b84ff;
}

/* ── Code blocks ─────────────────────────────────────────── */
.md-typeset pre > code,
.highlight pre {
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  font-size: 0.83rem;
  line-height: 1.65;
}

.md-typeset code {
  background-color: #1a1d2e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  font-size: 0.84em;
}

/* Copy button */
.md-clipboard {
  color: rgba(255, 255, 255, 0.35);
}

.md-clipboard:hover {
  color: #8b84ff;
}

/* ── Tables ──────────────────────────────────────────────── */
[data-md-color-scheme="slate"] .md-typeset table:not([class]) {
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.85rem;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background-color: #161922;
  color: hsla(230, 25%, 93%, 0.75);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) td {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) tr:hover td {
  background-color: rgba(124, 106, 255, 0.05);
}

/* ── Admonitions ─────────────────────────────────────────── */
.md-typeset .admonition,
.md-typeset details {
  border-radius: 8px;
  border-width: 0;
  border-left-width: 4px;
  background-color: #161922;
  box-shadow: none;
  font-size: 0.875rem;
}

.md-typeset .admonition-title,
.md-typeset summary {
  border-radius: 6px 6px 0 0;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

/* ── Buttons ─────────────────────────────────────────────── */
.md-typeset .md-button {
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.5em 1.2em;
  transition: all 0.15s ease;
}

.md-typeset .md-button--primary {
  background-color: #6c63ff !important;
  border-color: #6c63ff !important;
  color: #fff !important;
}

.md-typeset .md-button--primary:hover {
  background-color: #5a52e8 !important;
  border-color: #5a52e8 !important;
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.25);
}

.md-typeset .md-button:not(.md-button--primary) {
  border-color: rgba(255, 255, 255, 0.18) !important;
  color: hsla(230, 25%, 93%, 0.75) !important;
}

.md-typeset .md-button:not(.md-button--primary):hover {
  border-color: rgba(139, 132, 255, 0.5) !important;
  color: #8b84ff !important;
}

/* ── Search ──────────────────────────────────────────────── */
[data-md-color-scheme="slate"] .md-search__input {
  background-color: #161922;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
}

/* ── Table of contents ───────────────────────────────────── */
.md-nav--secondary .md-nav__link--active {
  color: #8b84ff !important;
}

/* ── Footer ──────────────────────────────────────────────── */
.md-footer {
  background-color: #0d0f16;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.md-footer-meta {
  background-color: #0d0f16;
}

/* ── Homepage hero ───────────────────────────────────────── */
.hero-section {
  background: linear-gradient(135deg, #13162a 0%, #1a1d32 60%, #0f1117 100%);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: 12px;
  padding: 3.5rem 3rem 3rem;
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-section h1 {
  font-size: 2.2rem !important;
  font-weight: 800 !important;
  letter-spacing: -0.04em !important;
  line-height: 1.15 !important;
  margin-bottom: 1rem !important;
  color: #eef0f8 !important;
}

.hero-section p {
  font-size: 1.05rem;
  color: hsla(230, 25%, 88%, 0.70);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 1.8rem;
}

/* ── Quick-reference cards ───────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.card {
  background-color: #161922;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 1.5rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: rgba(124, 106, 255, 0.4);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 0.9rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.01em !important;
  margin-top: 0 !important;
  margin-bottom: 0.4rem !important;
  color: #eef0f8 !important;
  border: none !important;
  padding: 0 !important;
}

.card p {
  font-size: 0.82rem;
  color: hsla(230, 25%, 88%, 0.55);
  margin: 0 0 1rem !important;
  line-height: 1.5;
}

.card a.card-link {
  font-size: 0.78rem;
  font-weight: 600;
  color: #8b84ff;
  text-decoration: none;
  border: none;
  letter-spacing: 0.02em;
}

.card a.card-link::after {
  content: " →";
}

/* ── Mermaid diagrams ────────────────────────────────────── */
.mermaid {
  background-color: #161922 !important;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  padding: 1.5rem;
}