/* Static content pages share the student portal's section rhythm. */
@media screen {
  .sample-content:not(.portal-page, .calendar-page) > .section {
    padding-block: 54px 10px;
  }

  .sample-content:not(.portal-page, .calendar-page) > .section + .section {
    padding-top: 56px;
  }

  .sample-content:not(.portal-page, .calendar-page) > .section:last-child {
    padding-bottom: 64px;
  }

  /* Leave room for the info-strip shadow before the following section paints its background. */
  .sample-content.study-page > #praxe {
    padding-bottom: 64px;
  }
}

.portal-section[hidden] {
  display: none;
}

#portal-content {
  padding-bottom: 54px;
}

.portal-section__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.portal-section__header h2 {
  margin-bottom: 8px;
  font-size: clamp(1.7rem, 2.6vw, 2.35rem);
}

.portal-section__header p {
  margin: 0;
  color: var(--ink-600);
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 17px;
}

.portal-grid--featured {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.portal-tile {
  position: relative;
  display: flex;
  min-height: 210px;
  flex-direction: column;
  padding: 24px;
  overflow: hidden;
  color: var(--ink-900);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.portal-tile:hover {
  color: var(--ink-900);
  border-color: #b5d5ef;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.portal-tile::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 94px;
  height: 94px;
  content: "";
  background: radial-gradient(
    circle at 100% 0%,
    var(--tile-tint, rgba(42, 140, 240, 0.15)) 0 48%,
    transparent 50%
  );
}

.portal-tile--dark {
  color: #fff;
  background: linear-gradient(145deg, var(--navy-900), var(--navy-800));
  border-color: var(--navy-800);
}

.portal-tile--dark:hover {
  color: #fff;
  border-color: var(--blue-500);
}

.portal-tile--dark h3,
.portal-tile--dark .portal-tile__meta {
  color: #fff;
}

.portal-tile__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 28px;
}

.portal-tile__icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: var(--blue-700);
  background: var(--surface-blue);
  border-radius: 15px;
}

.portal-tile--dark .portal-tile__icon {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.portal-tile__icon svg {
  width: 23px;
  height: 23px;
}

.portal-tile__tag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding-inline: 10px;
  color: var(--blue-700);
  background: var(--surface-blue);
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 820;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.portal-tile--dark .portal-tile__tag {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.portal-tile h3 {
  margin-bottom: 9px;
  font-size: 1.18rem;
}

.portal-tile__meta {
  margin-bottom: 16px;
  color: var(--ink-600);
  font-size: 0.9rem;
}

.portal-tile__arrow {
  display: inline-flex;
  margin-top: auto;
  align-items: center;
  gap: 7px;
  color: var(--blue-700);
  font-size: 0.83rem;
  font-weight: 780;
}

.portal-tile--dark .portal-tile__arrow {
  color: #8ed7ff;
}

.portal-tile.is-filtered-out,
.contact-card.is-filtered-out,
.contact-group.is-filtered-out {
  display: none;
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.notice-card {
  display: flex;
  min-height: 170px;
  flex-direction: column;
  padding: 23px;
  color: var(--ink-900);
  background: #fff;
  border: 1px solid var(--line);
  border-left: 5px solid var(--notice, var(--blue-600));
  border-radius: var(--radius-md);
  text-decoration: none;
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}

.notice-card:hover {
  color: var(--ink-900);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.notice-card__date {
  margin-bottom: 14px;
  color: var(--ink-500);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.notice-card h3 {
  margin-bottom: 9px;
  font-size: 1.04rem;
}

.notice-card p {
  color: var(--ink-600);
  font-size: 0.88rem;
}

.notice-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 16px;
}

.notice-card__links a {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 7px;
  color: var(--blue-700);
  font-size: 0.83rem;
  font-weight: 780;
  text-decoration: none;
}

.notice-card__links a:hover,
.notice-card__links a:focus-visible {
  color: var(--blue-600);
}

.notice-card__links a:hover .notice-card__link-label,
.notice-card__links a:focus-visible .notice-card__link-label {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.notice-card__links a:focus-visible {
  outline: 3px solid var(--action-focus);
  outline-offset: 4px;
  border-radius: 4px;
}

.portal-empty {
  display: none;
  margin-top: 42px;
  padding: 42px;
  color: var(--ink-600);
  background: #fff;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  text-align: center;
}

.portal-empty.is-visible {
  display: block;
}

/* Footer */

.footer-bottom {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
}