.student-announcement-card {
  border: 0;
  overflow: hidden;
  color: #FFFFFF;
  background:
    radial-gradient(circle at 90% 0%, rgba(255, 255, 255, 0.16), transparent 36%),
    linear-gradient(135deg, rgba(0, 0, 0, 0.12) 0%, rgba(255, 255, 255, 0.04) 58%, rgba(255, 255, 255, 0.13) 100%),
    var(--student-announcement-background, #5147A6);
  cursor: pointer;
  text-align: left;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.16);
  transition-property: box-shadow, transform;
  transition-duration: 170ms;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.student-announcement-card:hover {
  box-shadow: 0 19px 42px rgba(15, 23, 42, 0.22);
}

.student-announcement-card:active { transform: scale(0.96); }

.student-announcement-logo {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.student-announcement-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  outline: 1px solid rgba(255, 255, 255, 0.1);
  outline-offset: -1px;
}

.student-announcement-copy {
  min-width: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.student-announcement-copy strong {
  color: #FFFFFF;
  font-weight: 730;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-wrap: balance;
}

.student-announcement-copy > span {
  color: rgba(255, 255, 255, 0.68);
  font-weight: 520;
  line-height: 1.45;
  text-wrap: pretty;
}

.student-announcement-action {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 14px;
  color: var(--student-announcement-background, #39346F);
  background: #FFFFFF;
  font-weight: 680;
  box-shadow: 0 5px 15px rgba(29, 24, 75, 0.15);
}

.mobile-announcement-card {
  width: calc(100% - 2rem);
  min-height: 92px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  margin-inline: 1rem;
  border-radius: 19px;
  padding: 15px;
}

.mobile-announcement-card .student-announcement-logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
}

.mobile-announcement-card .student-announcement-copy strong { font-size: 15px; }
.mobile-announcement-card .student-announcement-copy > span {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 5px;
  font-size: 12px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.desktop-announcement-card {
  min-height: 112px;
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 18px;
  border-radius: 24px;
  padding: 19px 20px;
}

.desktop-announcement-card .student-announcement-logo {
  width: 72px;
  height: 72px;
  border-radius: 18px;
}

.desktop-announcement-card .student-announcement-copy strong { font-size: 18px; }
.desktop-announcement-card .student-announcement-copy > span { max-width: 760px; margin-top: 6px; font-size: 12.5px; }
.desktop-announcement-card .student-announcement-action {
  min-height: 44px;
  margin-left: auto;
  padding: 10px 14px 10px 16px;
  font-size: 12px;
}

@media (max-width: 640px) {
  .mobile-announcement-card {
    padding: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .student-announcement-card { transition-duration: 0.01ms; }
}