/*
 * Cards layout for núcleos home
 * Variables and responsiveness organised for readability.
 */

:root {
  --card-bg: rgba(255,255,255,0.03);
  --card-border: rgba(0,0,0,0.08);
  --card-padding: 22px;
  --card-radius: 8px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 28px 0;
}

.card {
  background: var(--md-default-bg, var(--card-bg));
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: 0 1px 0 rgba(0,0,0,0.03);
  display: flex;
  flex-direction: column;
  min-height: 120px;
  padding: var(--card-padding);
}

.card h3 {
  font-size: 1.05rem;
  margin: 0 0 10px;
}

.card .icon {
  font-size: 1.2rem;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.card .links {
  margin-top: auto;
}

.card a {
  color: var(--md-typeset-a-color, var(--md-primary-fg-color, #8B008B));
  display: inline-block;
  font-size: 0.88rem;
  margin-bottom: 6px;
  text-decoration: underline;
}

.card a:hover {
  color: var(--md-primary-fg-color--light, var(--md-accent-fg-color--transparent, #B84FB8));
}

/* larger spacing on wide screens */
@media (min-width: 1000px) {
  .cards-grid {
    gap: 28px;
  }
  .card {
    padding: 28px;
  }
}

/* theme-specific adjustments */
[data-md-color-scheme="cumbuca-dark"] .card {
  border-color: rgba(255,255,255,0.10);
  box-shadow: 0 1px 0 rgba(255,255,255,0.02);
}

[data-md-color-scheme="cumbuca-light"] .card {
  border-color: rgba(0,0,0,0.10);
}

/* sidebar toggling helpers (script adds .no-sidebar) */
.no-sidebar .md-sidebar,
.no-sidebar .md-nav,
.no-sidebar .md-sidebar--primary,
.no-sidebar .md-sidebar--secondary,
.no-sidebar .md-sidebar--toc {
  display: none !important;
}

.no-sidebar main.md-main,
.no-sidebar .md-main {
  margin-left: 0 !important;
  margin-right: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.no-sidebar .md-content {
  max-width: none;
  padding-left: 2rem;
  padding-right: 2rem;
  width: 100%;
}

.no-sidebar .md-main__inner,
.no-sidebar .md-main {
  grid-template-columns: 1fr !important;
}