/* ------------------------------------------------------------------ */
/*  Personal site theme on top of Material for MkDocs                  */
/* ------------------------------------------------------------------ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600;8..60,700&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  --md-text-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --md-code-font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --radius: 12px;
}

/* Light scheme */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #0f172a;
  --md-primary-fg-color--light: #334155;
  --md-primary-fg-color--dark: #0f172a;
  --md-primary-bg-color: #f8fafc;
  --md-accent-fg-color: #4f46e5;
  --md-typeset-a-color: #4338ca;
  --md-default-bg-color: #ffffff;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --chip-bg: #eef2ff;
  --chip-fg: #3730a3;
  --hero-bg: linear-gradient(160deg, #eef2ff 0%, #ffffff 55%);
}

/* Dark scheme */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #0b1220;
  --md-primary-fg-color--light: #1e293b;
  --md-primary-fg-color--dark: #0b1220;
  --md-primary-bg-color: #e2e8f0;
  --md-accent-fg-color: #818cf8;
  --md-typeset-a-color: #a5b4fc;
  --md-default-bg-color: #0f172a;
  --card-bg: #16213a;
  --card-border: #2b3a55;
  --chip-bg: #1e2a4a;
  --chip-fg: #c7d2fe;
  --hero-bg: linear-gradient(160deg, #131c33 0%, #0f172a 55%);
}

/* ---------------------------- typography -------------------------- */

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  font-family: var(--serif);
  font-weight: 650;
  letter-spacing: -0.01em;
}

.md-typeset h1 { font-size: 2.1rem; line-height: 1.2; }
.md-typeset h2 { font-size: 1.55rem; }
.md-typeset h3 { font-size: 1.2rem; }

.md-typeset {
  font-size: 0.82rem;
  line-height: 1.65;
}

.md-header { box-shadow: 0 1px 0 rgb(0 0 0 / 0.25); }
.md-header__title { font-family: var(--serif); font-weight: 600; }

/* ------------------------------ hero ------------------------------ */

.hero {
  margin: 0 0 1.6rem 0;
  padding: 2.2rem 2rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: var(--hero-bg);
}

.hero-title {
  margin: 0 0 0.35rem 0 !important;
  font-size: 2.5rem !important;
  font-weight: 700 !important;
}

.hero-sub {
  margin: 0 0 0.9rem 0 !important;
  max-width: 62ch;
  color: var(--md-default-fg-color--light);
  font-size: 1.02rem !important;
  line-height: 1.55 !important;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.4rem 0 0 0 !important;
}

/* ------------------------------ chips ----------------------------- */

.chip,
.md-typeset a.chip {
  display: inline-block;
  margin: 0 0.35rem 0.35rem 0;
  padding: 0.28rem 0.8rem;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--chip-fg) !important;
  font-size: 0.72rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.md-typeset a.chip:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgb(0 0 0 / 0.12);
}

/* --------------------------- blog cards --------------------------- */

.post-card {
  display: block;
  margin: 0 0 1rem 0;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: var(--card-bg);
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.post-card:hover {
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 6px 22px rgb(15 23 42 / 0.10);
  transform: translateY(-1px);
}

.post-card h3 { margin: 0 0 0.15rem 0 !important; }
.post-card .headerlink { display: none; }
.post-card p { margin: 0.35rem 0 0.5rem 0; color: var(--md-default-fg-color--light); }

.post-date,
.post-meta {
  display: inline-block;
  color: var(--md-default-fg-color--light);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.post-meta { margin: -0.4rem 0 0.9rem 0; }

.read-more,
.md-typeset a.read-more {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.read-more::after { content: " →"; }

/* ---------------------------- timeline ---------------------------- */

.timeline {
  position: relative;
  margin: 1.2rem 0 1.6rem 0.35rem;
  padding-left: 1.4rem;
  border-left: 2px solid var(--card-border);
}

.timeline-item { position: relative; margin: 0 0 1.5rem 0; }

.timeline-item::before {
  content: "";
  position: absolute;
  top: 0.42rem;
  left: -1.83rem;
  width: 0.72rem;
  height: 0.72rem;
  border: 2px solid var(--md-accent-fg-color);
  border-radius: 50%;
  background: var(--md-default-bg-color);
}

.timeline-role { margin: 0 !important; font-size: 1.02rem !important; font-weight: 650 !important; }
.timeline-org { margin: 0.1rem 0 0.3rem 0 !important; color: var(--md-typeset-a-color); font-weight: 600; font-size: 0.82rem !important; }
.timeline-when { margin: 0 0 0.4rem 0 !important; color: var(--md-default-fg-color--light); font-size: 0.72rem !important; letter-spacing: 0.04em; text-transform: uppercase; }
.timeline-item ul { margin: 0.3rem 0 0 0; }

/* -------------------------- publications -------------------------- */

.pub {
  margin: 0 0 0.9rem 0;
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--card-border);
  border-left: 3px solid var(--md-accent-fg-color);
  border-radius: 8px;
  background: var(--card-bg);
}

.pub-title { margin: 0 !important; font-size: 0.92rem !important; font-weight: 650 !important; }
.pub-venue {
  display: inline-block;
  margin: 0.15rem 0.4rem 0.15rem 0;
  padding: 0.08rem 0.55rem;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--chip-fg);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.pub-authors { margin: 0.15rem 0 0 0 !important; color: var(--md-default-fg-color--light); font-size: 0.74rem !important; }
.pub-links { margin: 0.25rem 0 0 0 !important; font-size: 0.74rem !important; }

/* ----------------------------- tables ----------------------------- */

.md-typeset table:not([class]) {
  border: 1px solid var(--card-border);
  border-radius: 8px;
  box-shadow: none;
  font-size: 0.76rem;
}

.md-typeset table:not([class]) th {
  background: var(--chip-bg);
  color: var(--chip-fg);
  font-weight: 650;
}

/* ------------------------- notes grid cards ----------------------- */

.md-typeset .grid { margin-bottom: 1.2rem; }

.md-typeset .grid.cards > ul > li {
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: var(--card-bg);
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.md-typeset .grid.cards > ul > li:hover {
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 6px 22px rgb(15 23 42 / 0.10);
  transform: translateY(-2px);
}

.note-desc { color: var(--md-default-fg-color--light); font-size: 0.74rem; }

/* ----------------------------- misc ------------------------------- */

.center-image { display: block; margin: 0 auto; }

.md-typeset img { border-radius: 8px; }

.md-typeset details { border-radius: 8px; }

.md-footer { border-top: 1px solid var(--card-border); }

@media screen and (max-width: 76.1875em) {
  .hero { padding: 1.4rem 1.2rem; }
  .hero-title { font-size: 1.9rem !important; }
}