.opts-hero {
  padding: 8rem 2rem 1.5rem;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}

.opts-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.opts-hero h1 span {
  color: var(--text-primary);
}

.opts-hero p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.opts-search {
  max-width: 1000px;
  margin: 1rem auto 0;
  padding: 0 1.5rem;
}

#opts-filter {
  width: 100%;
  padding: 0.9rem 1.1rem;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  outline: none;
}

#opts-filter:focus {
  border-color: var(--neon-blue);
  box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.2);
}

.opts-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.opts-filter-btn {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
}

.opts-filter-btn:hover {
  border-color: var(--surface-border-hover);
  color: var(--text-primary);
}

.opts-filter-btn.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.opts-count {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.opts-wrap {
  max-width: 1000px;
  margin: 1.5rem auto 4rem;
  padding: 0 1.5rem;
}

.opts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.opts-table th,
.opts-table td {
  text-align: left;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--surface-border);
  vertical-align: top;
  color: var(--text-secondary);
}

.opts-table thead th {
  color: var(--text-primary);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.opts-table tbody th {
  white-space: nowrap;
  color: var(--text-primary);
}

.opts-table code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--neon-blue);
}

.opts-table tr[hidden] {
  display: none;
}

.opts-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-secondary);
}

@media (max-width: 720px) {
  .opts-table thead {
    display: none;
  }
  .opts-table,
  .opts-table tbody,
  .opts-table tr,
  .opts-table th,
  .opts-table td {
    display: block;
    width: 100%;
  }
  .opts-table tr {
    border: 1px solid var(--surface-border);
    border-radius: 10px;
    margin-bottom: 1rem;
    padding: 0.5rem 0.25rem;
  }
  .opts-table th,
  .opts-table td {
    border: none;
    padding: 0.35rem 0.75rem;
  }
}