.hopc-card {
  --hopc-accent: #3b82f6;
  --hopc-bg: #fff;
  --hopc-border: rgba(15, 23, 42, 0.12);
  --hopc-muted: #526072;
  --hopc-text: #172030;
  --hopc-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 252, 0.98));
  border: 1px solid var(--hopc-border);
  border-radius: 18px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
  color: var(--hopc-text);
  margin: 1.5rem 0;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.hopc-card:hover {
  border-color: rgba(15, 23, 42, 0.18);
  box-shadow: var(--hopc-shadow);
  transform: translateY(-1px);
}

.hopc-card__link {
  align-items: start;
  color: inherit;
  display: grid;
  gap: 0;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto;
  min-width: 0;
  text-decoration: none;
}

.hopc-card--compact .hopc-card__link {
  grid-template-columns: clamp(120px, 24%, 156px) minmax(0, 1fr);
}

.hopc-card--full .hopc-card__link {
  grid-template-columns: clamp(200px, 32%, 320px) minmax(0, 1fr);
}

.hopc-card--no-media .hopc-card__link {
  grid-template-columns: minmax(0, 1fr);
}

.hopc-card__media {
  background:
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 65%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.02), rgba(15, 23, 42, 0.08));
  display: flex;
  justify-content: center;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.hopc-card__image {
  display: block;
  height: 100%;
  object-fit: cover;
  object-position: center;
  width: 100%;
}

.hopc-card--github.hopc-card--full .hopc-card__link {
  grid-template-columns: clamp(428px, 34%, 340px) minmax(0, 1fr);
}

.hopc-card--github.hopc-card--compact .hopc-card__link {
  grid-template-columns: clamp(368px, 28%, 228px) minmax(0, 1fr);
}

.hopc-card--github .hopc-card__media {
  align-self: start;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.02), rgba(15, 23, 42, 0.06));
}

.hopc-card--github .hopc-card__image {
  height: auto;
  object-fit: fill;
}

.hopc-card--music.hopc-card--compact .hopc-card__link {
  grid-template-columns: clamp(136px, 24%, 176px) minmax(0, 1fr);
}

.hopc-card--music.hopc-card--full .hopc-card__link {
  grid-template-columns: clamp(164px, 22%, 212px) minmax(0, 1fr);
}

.hopc-card--music .hopc-card__media {
  align-items: center;
  align-self: start;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.01), rgba(15, 23, 42, 0.04));
}

.hopc-card--music .hopc-card__image {
  height: auto;
  max-height: none;
  object-fit: fill;
}

.hopc-card__body {
  align-content: start;
  display: grid;
  gap: 0.15rem;
  min-width: 0;
  padding: 1rem 1.1rem;
}

.hopc-card__badge {
  color: var(--hopc-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hopc-card__title {
  font-size: 1.05rem;
  line-height: 1.35;
  margin: 0;
  overflow-wrap: anywhere;
}

.markdown-body .hopc-card__body > .hopc-card__title {
  margin: 0;
}

.markdown-body .hopc-card__body > .hopc-card__title::before {
  content: none;
  display: none;
}

.hopc-card__domain {
  color: var(--hopc-muted);
  font-size: 0.84rem;
}

.hopc-card__desc {
  color: var(--hopc-muted);
  font-size: 0.94rem;
  line-height: 1.55;
  margin: 0;
}

.hopc-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.8rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hopc-card__meta-item {
  align-items: center;
  color: var(--hopc-muted);
  display: inline-flex;
  gap: 0.35rem;
  font-size: 0.84rem;
}

.hopc-card__meta-label {
  color: #344054;
  font-weight: 600;
}

.hopc-card__actions {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  padding: 0.8rem 1.1rem 1rem;
}

.hopc-card__action {
  align-items: center;
  background: rgba(15, 23, 42, 0.05);
  border-radius: 999px;
  color: var(--hopc-accent);
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.45rem 0.8rem;
  text-decoration: none;
}

.hopc-card__action:hover {
  background: rgba(15, 23, 42, 0.09);
}

.hopc-card__embed {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  padding: 0 1.1rem 1rem;
}

.hopc-card__iframe {
  border: 0;
  border-radius: 14px;
  display: block;
  height: 152px;
  width: 100%;
}

.hopc-card--paper .hopc-card__body,
.hopc-card--paper-view .hopc-card__body {
  gap: 0.5rem;
}

.hopc-card--error {
  --hopc-accent: #d97706;
}

.hopc-card--github {
  --hopc-accent: #24292f;
}

.hopc-card--music {
  --hopc-accent: #1db954;
}

.hopc-card--paper {
  --hopc-accent: #b31b1b;
}

@media (max-width: 640px) {
  .hopc-card--compact .hopc-card__link,
  .hopc-card--full .hopc-card__link {
    grid-template-columns: minmax(0, 1fr);
  }

  .hopc-card__media {
    max-height: 220px;
  }
}