/*
 * Mathematical statement environments
 *
 * Quarto's native theorem blocks supply the semantic classes and numbering.
 * Question is a custom qst- float so that the native Exercise environment
 * remains available.
 */

.theorem,
figure.quarto-float-qst {
  --statement-accent: var(--bs-primary);
  margin: 1.35rem 0;
  padding: 1rem 1.15rem;
  border-inline-start: 0.22rem solid var(--statement-accent);
  border-radius: 0.2rem;
  background-color: color-mix(
    in srgb,
    var(--statement-accent) 7%,
    var(--bs-body-bg)
  );
}

.theorem .theorem-title,
figure.quarto-float-qst .quarto-float-caption {
  color: var(--statement-accent);
  font-style: normal;
  font-weight: 650;
  text-align: start;
}

.theorem .theorem-title {
  display: block;
  margin-bottom: 0.55rem;
}

.theorem > :first-child,
figure.quarto-float-qst > :first-child {
  margin-top: 0;
}

.theorem > :last-child,
figure.quarto-float-qst > :last-child,
figure.quarto-float-qst > div > :last-child {
  margin-bottom: 0;
}

.theorem.proposition {
  --statement-accent: #6f42c1;
}

.theorem.conjecture {
  --statement-accent: #b35c00;
}

.theorem.exercise {
  --statement-accent: #167d67;
}

figure.quarto-float-qst {
  --statement-accent: #167d67;
  width: 100%;
  text-align: start;
}

figure.quarto-float-qst .quarto-float-caption-top {
  margin-bottom: 0.55rem;
}

figure.quarto-float-qst .quarto-float-caption {
  margin-top: 0;
}

body.quarto-dark .theorem {
  --statement-accent: #72a7d9;
}

body.quarto-dark .theorem.proposition {
  --statement-accent: #b69df8;
}

body.quarto-dark .theorem.conjecture {
  --statement-accent: #f3b562;
}

body.quarto-dark .theorem.exercise,
body.quarto-dark figure.quarto-float-qst {
  --statement-accent: #5dd6bc;
}

@supports not (background-color: color-mix(in srgb, white, black)) {
  .theorem,
  figure.quarto-float-qst {
    background-color: rgba(var(--bs-primary-rgb), 0.07);
  }
}

/*
 * Module 2: keep each loss formula beside a roomier interpretation.
 */

.loss-term-table table {
  width: 100%;
  table-layout: fixed;
}

.loss-term-table col:first-child {
  width: 38% !important;
}

.loss-term-table col:nth-child(2) {
  width: 62% !important;
}

.loss-term-table th:first-child,
.loss-term-table td:first-child {
  width: 38%;
}

.loss-term-table th:nth-child(2),
.loss-term-table td:nth-child(2) {
  width: 62%;
}

.loss-term-table td {
  vertical-align: top;
}

.loss-term-table td:first-child {
  font-size: 0.96rem;
}

/*
 * Module 2: reserve most phase-table space for the balance explanation.
 */

table.phase-balance-table {
  width: 100%;
  table-layout: fixed;
}

table.phase-balance-table col:first-child {
  width: 10% !important;
}

table.phase-balance-table col:nth-child(2) {
  width: 36% !important;
}

table.phase-balance-table col:nth-child(3) {
  width: 54% !important;
}

table.phase-balance-table td {
  vertical-align: top;
}

/*
 * Module 3: keep the PLRF phase map beside its dominant-component table.
 */

.phase-component-columns {
  align-items: center;
  gap: 1.4rem;
  margin: 1.25rem 0 0.65rem;
}

.phase-component-columns > .column {
  padding: 0;
}

.phase-component-columns figure,
.phase-component-columns table {
  margin-top: 0;
  margin-bottom: 0;
}

.phase-component-columns > .column:last-child > p:first-child {
  margin-top: 0;
  text-align: center;
}

.phase-component-columns table {
  width: 100%;
  table-layout: fixed;
}

.phase-component-columns col:first-child {
  width: 14% !important;
}

.phase-component-columns col:last-child {
  width: 86% !important;
}

.phase-component-columns th:first-child,
.phase-component-columns td:first-child {
  width: 14%;
  white-space: nowrap;
}

.phase-component-columns td {
  vertical-align: middle;
}

/*
 * Module 3: equivalent formulations of Nesterov acceleration.
 */

.nesterov-view-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 1rem 0;
}

.nesterov-view-card {
  min-width: 0;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--bs-border-color);
  border-top: 0.2rem solid var(--bs-primary);
  border-radius: 0.35rem;
  background-color: color-mix(
    in srgb,
    var(--bs-primary) 4%,
    var(--bs-body-bg)
  );
}

.nesterov-exact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.nesterov-ema-card {
  margin: 0.85rem 0 1rem;
}

.nesterov-view-card > :first-child {
  margin-top: 0;
}

.nesterov-view-card > :last-child {
  margin-bottom: 0;
}

.nesterov-view-card > p:first-child strong {
  color: var(--bs-primary);
  font-size: 1.05rem;
  font-weight: 650;
}

.nesterov-view-card .math.display {
  overflow-x: auto;
  overflow-y: hidden;
}

@media (max-width: 767.98px) {
  .phase-component-columns {
    flex-direction: column;
    align-items: stretch;
  }

  .phase-component-columns > .column {
    width: 100% !important;
  }

  .nesterov-view-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) and (max-width: 1199.98px) {
  .nesterov-exact-grid {
    grid-template-columns: 1fr;
  }
}

@supports not (background-color: color-mix(in srgb, white, black)) {
  .nesterov-view-card {
    background-color: rgba(var(--bs-primary-rgb), 0.04);
  }
}

/*
 * Module 3: group public attention configurations by model family.
 */

.head-scaling-table tbody tr:nth-child(1) > * {
  background-color: color-mix(in srgb, #ba8b24 13%, var(--bs-body-bg));
}

.head-scaling-table tbody tr:nth-child(n + 2):nth-child(-n + 5) > * {
  background-color: color-mix(in srgb, #4f81bd 11%, var(--bs-body-bg));
}

.head-scaling-table tbody tr:nth-child(n + 6):nth-child(-n + 8) > * {
  background-color: color-mix(in srgb, #7b61a8 11%, var(--bs-body-bg));
}

.head-scaling-table tbody tr:nth-child(n + 9):nth-child(-n + 10) > * {
  background-color: color-mix(in srgb, #c26b38 12%, var(--bs-body-bg));
}

.head-scaling-table tbody tr:nth-child(n + 11):nth-child(-n + 14) > * {
  background-color: color-mix(in srgb, #2d9b78 12%, var(--bs-body-bg));
}

.head-scaling-table tbody tr:nth-child(1) > *,
.head-scaling-table tbody tr:nth-child(2) > *,
.head-scaling-table tbody tr:nth-child(6) > *,
.head-scaling-table tbody tr:nth-child(9) > *,
.head-scaling-table tbody tr:nth-child(11) > * {
  border-top: 2px solid color-mix(in srgb, var(--bs-body-color) 35%, transparent);
}

.head-scaling-table tbody tr > :first-child {
  font-weight: 600;
}

@supports not (background-color: color-mix(in srgb, white, black)) {
  .head-scaling-table tbody tr > * {
    background-color: rgba(var(--bs-primary-rgb), 0.06);
  }
}

/*
 * Homepage: course overview and visual through-line.
 */

.home-shell {
  max-width: 1180px;
  margin: 0 auto;
}

.home-intro {
  max-width: 900px;
  margin: 0 auto 1.5rem;
  font-size: 1.13rem;
  line-height: 1.7;
}

.home-thesis {
  margin: 1.35rem 0 0;
  padding: 1rem 1.15rem;
  border-inline-start: 0.25rem solid #167d67;
  border-radius: 0.25rem;
  background-color: color-mix(in srgb, #167d67 8%, var(--bs-body-bg));
}

.home-thesis > :last-child {
  margin-bottom: 0;
}

.home-hero-figure {
  margin: 1.75rem 0 2.6rem;
}

.home-hero-figure img {
  display: block;
  width: 100%;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.55rem;
  background: #fff;
  box-shadow: 0 0.65rem 1.6rem rgba(27, 42, 65, 0.1);
}

.home-figure-note {
  max-width: 850px;
  margin: 0.65rem auto 0;
  color: var(--bs-secondary-color);
  font-size: 0.92rem;
  text-align: center;
}

.home-module-grid,
.home-skill-grid,
.home-visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 2.5rem;
}

.home-module-card,
.home-skill,
.home-visual-card {
  min-width: 0;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.5rem;
  background-color: color-mix(
    in srgb,
    var(--bs-primary) 3.5%,
    var(--bs-body-bg)
  );
}

.home-module-card {
  padding: 1.05rem 1.15rem 1.15rem;
  border-top: 0.22rem solid var(--bs-primary);
}

.home-module-label {
  margin-bottom: 0.35rem;
  color: var(--bs-secondary-color);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.home-module-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.18rem;
}

.home-module-card h3 a {
  text-decoration: none;
}

.home-module-card h3 a:hover {
  text-decoration: underline;
}

.home-module-card > :last-child,
.home-skill > :last-child,
.home-visual-card > :last-child {
  margin-bottom: 0;
}

.home-skill {
  padding: 1rem 1.1rem;
}

.home-skill > p:first-child {
  margin-bottom: 0.35rem;
  color: #167d67;
  font-size: 1.04rem;
}

.home-visual-card {
  overflow: hidden;
}

.home-visual-card img {
  display: block;
  width: 100%;
  height: 24rem;
  object-fit: contain;
  border-bottom: 1px solid var(--bs-border-color);
  background: #fff;
}

.home-visual-card p {
  margin-inline: 1.05rem;
}

.home-visual-card p:last-child {
  margin-bottom: 1.05rem;
}

body.quarto-dark .home-skill > p:first-child {
  color: #5dd6bc;
}

@media (max-width: 767.98px) {
  .home-intro {
    font-size: 1.03rem;
  }

  .home-module-grid,
  .home-skill-grid,
  .home-visual-grid {
    grid-template-columns: 1fr;
  }

  .home-visual-card img {
    height: auto;
    max-height: 30rem;
  }
}

@supports not (background-color: color-mix(in srgb, white, black)) {
  .home-thesis,
  .home-module-card,
  .home-skill,
  .home-visual-card {
    background-color: rgba(var(--bs-primary-rgb), 0.04);
  }
}