.mtb-hero {
  max-width: 920px;
}

.mtb-hero h1 {
  max-width: 12em;
}

.mtb-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.mtb-updated {
  margin-top: 18px;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.mtb-keyword-panel {
  margin-top: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.mtb-keyword-panel summary {
  cursor: pointer;
  padding: 14px 16px;
  color: var(--color-primary);
  font-weight: 800;
}

.mtb-keyword-panel__body {
  display: grid;
  gap: 16px;
  border-top: 1px solid var(--color-line);
  padding: 16px;
}

.mtb-keyword-panel__body section {
  border-radius: 10px;
  padding: 14px;
  background: var(--color-bg);
}

.mtb-keyword-panel__body h2 {
  margin-bottom: 2px;
  font-size: 1rem;
}

.mtb-keyword-group {
  margin-top: 12px;
}

.mtb-keyword-group strong {
  display: block;
  margin-bottom: 8px;
}

.mtb-section-header {
  margin-top: 58px;
}

.mtb-list {
  display: grid;
  gap: 18px;
}

.mtb-card,
.mtb-empty,
.mtb-archive-day {
  border: 1px solid rgba(47, 49, 54, 0.07);
  border-radius: var(--radius-card);
  padding: 24px;
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.mtb-card--important {
  border-color: rgba(183, 28, 43, 0.28);
  background: linear-gradient(135deg, #ffffff, #fff8f8);
}

.mtb-card__meta,
.mtb-card__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--color-muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.mtb-card__meta span {
  border-radius: 999px;
  padding: 4px 10px;
  background: var(--color-bg-sub);
}

.mtb-card h3 {
  margin-top: 14px;
  font-size: 1.24rem;
}

.mtb-card p,
.mtb-empty p,
.mtb-archive-day p {
  color: var(--color-muted);
}

.mtb-impact {
  margin-top: 16px;
  border-left: 4px solid var(--color-plant);
  padding-left: 14px;
}

.mtb-impact strong {
  display: block;
  margin-bottom: 4px;
}

.mtb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.mtb-tags li {
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--color-text);
  background: var(--color-cream);
  font-size: 0.82rem;
  font-weight: 800;
}

.mtb-tags--exclude li {
  background: #eeeeee;
}

.mtb-card__footer {
  justify-content: space-between;
  margin-top: 18px;
  border-top: 1px solid var(--color-line);
  padding-top: 14px;
}

.mtb-card__footer a,
.mtb-archive-items a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.mtb-category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 34px;
}

.mtb-category-nav a {
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--color-muted);
  background: var(--color-surface);
  font-weight: 800;
}

.mtb-category-nav a.is-current {
  color: #ffffff;
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.mtb-archive-list {
  display: grid;
  gap: 22px;
}

.mtb-archive-day__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 12px;
}

.mtb-archive-day__header h2 {
  margin-bottom: 0;
}

.mtb-archive-items {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.mtb-archive-items article {
  border-radius: 10px;
  padding: 16px;
  background: var(--color-bg);
}

@media (max-width: 560px) {
  .mtb-card,
  .mtb-empty,
  .mtb-archive-day {
    padding: 20px;
  }

  .mtb-hero__actions,
  .mtb-card__footer,
  .mtb-archive-day__header {
    flex-direction: column;
    align-items: stretch;
  }

  .mtb-category-nav {
    display: grid;
  }
}