/* ==========================================================================
   Research Relay — Theme Overrides
   Approach: Tune the built-in slate/default schemes. No invented schemes.
   Inspired by: Ruff, UV, FastAPI — clean, tight, professional.
   ========================================================================== */

/* --- Slate (dark) tuning ------------------------------------------------ */
[data-md-color-scheme="slate"] {
  --md-hue: 220;
  --md-default-bg-color: hsla(220, 20%, 10%, 1);
  --md-default-bg-color--light: hsla(220, 20%, 10%, 0.54);
  --md-code-bg-color: hsla(220, 18%, 13%, 1);
  --md-typeset-a-color: #79c0ff;
  --md-accent-fg-color: #79c0ff;
}

/* --- Default (light) tuning --------------------------------------------- */
[data-md-color-scheme="default"] {
  --md-default-bg-color: #fafbfc;
  --md-code-bg-color: #f0f3f6;
  --md-typeset-a-color: #0550ae;
  --md-accent-fg-color: #0550ae;
}

/* --- Header ------------------------------------------------------------- */
[data-md-color-scheme="slate"] .md-header {
  background: hsla(220, 20%, 8%, 1);
}

[data-md-color-scheme="default"] .md-header {
  background: #ffffff;
  box-shadow: 0 1px 0 #d8dee4;
}

[data-md-color-scheme="default"] .md-header .md-header__title {
  color: #1f2328;
}

/* --- Tabs --------------------------------------------------------------- */
.md-tabs {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

[data-md-color-scheme="slate"] .md-tabs {
  background: hsla(220, 20%, 8%, 1);
  border-bottom: 1px solid hsla(220, 15%, 20%, 1);
}

[data-md-color-scheme="default"] .md-tabs {
  background: #ffffff;
  border-bottom: 1px solid #d8dee4;
}

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

/* --- Sidebar ------------------------------------------------------------ */
.md-nav__link {
  font-size: 0.82rem;
}

.md-nav__item--nested > .md-nav__link {
  font-weight: 600;
}

/* --- Content typography ------------------------------------------------- */
.md-typeset {
  font-size: 0.88rem;
  line-height: 1.7;
}

.md-typeset h1 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.md-typeset h2 {
  font-weight: 600;
  margin-top: 2.4rem;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.md-typeset h3 {
  font-weight: 600;
}

/* --- Tables ------------------------------------------------------------- */
.md-typeset table:not([class]) {
  font-size: 0.82rem;
}

.md-typeset table:not([class]) th {
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* --- Code --------------------------------------------------------------- */
.md-typeset code {
  font-size: 0.84em;
  border-radius: 4px;
}

.md-typeset pre {
  border-radius: 6px;
}

/* --- Admonitions — tighter ---------------------------------------------- */
.md-typeset .admonition,
.md-typeset details {
  font-size: 0.86rem;
  border-radius: 6px;
  border-left-width: 3px;
  box-shadow: none;
}

/* --- Footer ------------------------------------------------------------- */
[data-md-color-scheme="slate"] .md-footer {
  background: hsla(220, 20%, 6%, 1);
}

/* ==========================================================================
   Homepage components
   ========================================================================== */

/* --- Phase status strip ------------------------------------------------- */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.6rem;
  margin: 1.5rem 0;
}

.phase-card {
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  padding: 0.85rem 0.75rem;
  text-align: center;
  font-size: 0.78rem;
  transition: border-color 0.15s;
}

.phase-card:hover {
  border-color: var(--md-accent-fg-color);
}

.phase-card strong {
  display: block;
  font-size: 0.82rem;
  margin-bottom: 0.3rem;
}

/* Status pills */
.pill {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15em 0.55em;
  border-radius: 99px;
  line-height: 1.6;
}

.pill--done     { background: #1a3a2a; color: #3fb950; }
.pill--active   { background: #152238; color: #58a6ff; }
.pill--blocked  { background: #3d2e00; color: #d29922; }
.pill--pending  { background: #21262d; color: #8b949e; }

[data-md-color-scheme="default"] .pill--done    { background: #dafbe1; color: #116329; }
[data-md-color-scheme="default"] .pill--active  { background: #ddf4ff; color: #0550ae; }
[data-md-color-scheme="default"] .pill--blocked { background: #fff8c5; color: #7d4e00; }
[data-md-color-scheme="default"] .pill--pending { background: #f6f8fa; color: #57606a; }

/* --- Section link grid -------------------------------------------------- */
.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.section-grid a {
  display: block;
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: var(--md-default-fg-color);
  transition: border-color 0.15s, transform 0.1s;
}

.section-grid a:hover {
  border-color: var(--md-accent-fg-color);
  transform: translateY(-1px);
}

.section-grid a strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 0.25rem;
  color: var(--md-typeset-a-color);
}

.section-grid a span {
  font-size: 0.78rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.45;
}

/* --- Stats row ---------------------------------------------------------- */
.stat-row {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.stat-box {
  flex: 1;
  min-width: 120px;
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  padding: 0.85rem;
  text-align: center;
}

.stat-box .num {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--md-default-fg-color);
}

.stat-box .label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-default-fg-color--light);
  margin-top: 0.15rem;
}

/* --- Next actions ------------------------------------------------------- */
.next-actions {
  border-left: 3px solid var(--md-accent-fg-color);
  padding-left: 1rem;
  margin: 1.5rem 0;
}

.next-actions ol {
  padding-left: 1.2rem;
  margin: 0.5rem 0 0;
}

.next-actions li {
  font-size: 0.84rem;
  margin-bottom: 0.3rem;
}