.semantic-demo {
  position: relative;
  width: 100%;
  margin: 16px 0 8px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid rgba(103, 232, 249, 0.28);
  border-radius: 18px;
  background:
    radial-gradient(circle at 90% 8%, rgba(6, 182, 212, 0.14), transparent 22rem),
    linear-gradient(135deg, rgba(17, 24, 39, 0.94), rgba(30, 27, 75, 0.58));
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.22);
  text-align: left;
}

.semantic-demo-home {
  max-width: 920px;
  margin-top: 30px;
}

.semantic-demo h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 29px);
  line-height: 1.12;
}

.semantic-demo .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.semantic-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 16px;
}

.semantic-form input[type="search"] {
  min-width: 0;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(103, 232, 249, 0.28);
  border-radius: 10px;
  background: #0b0f14;
  color: var(--text);
  font: inherit;
}

.semantic-form .button.primary {
  min-height: 42px;
  border-color: rgba(34, 211, 238, 0.48);
  background: linear-gradient(135deg, var(--indigo), var(--violet));
  color: #fff;
  cursor: pointer;
}

.semantic-form .button.primary:hover:not(:disabled) {
  border-color: rgba(165, 243, 252, 0.82);
  filter: brightness(1.08);
}

.semantic-form .button:disabled {
  cursor: wait;
  opacity: 0.64;
}

.semantic-examples {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.semantic-example {
  padding: 4px 8px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.54);
  color: #cbd5e1;
  font: inherit;
  cursor: pointer;
}

.semantic-example:hover {
  border-color: rgba(103, 232, 249, 0.46);
  color: #ecfeff;
}

.semantic-progress-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.semantic-progress-wrap[hidden] {
  display: none;
}

.semantic-progress-wrap progress {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.14);
  accent-color: var(--cyan);
}

.semantic-progress-wrap progress::-webkit-progress-bar {
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.14);
}

.semantic-progress-wrap progress::-webkit-progress-value {
  border-radius: 999px;
  background: linear-gradient(90deg, var(--indigo), var(--cyan));
}

.semantic-progress-wrap span,
.semantic-status {
  color: var(--muted);
  font-size: 14px;
}

.semantic-status {
  min-height: 18px;
  margin: 10px 0 0;
}

.semantic-status[data-tone="success"] {
  color: #86efac;
}

.semantic-status[data-tone="warning"] {
  color: #fde68a;
}

.semantic-results h3 {
  margin: 17px 0 9px;
  color: #e5e7eb;
  font-size: 16px;
}

.semantic-result-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.semantic-result {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 9px;
  min-width: 0;
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.44);
}

.semantic-rank {
  display: grid;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.24);
  color: #c4b5fd;
  font-size: 14px;
  font-weight: 850;
  place-items: center;
}

.semantic-result h4 {
  margin: 1px 0 5px;
  overflow-wrap: anywhere;
  font-size: 16px;
  line-height: 1.25;
}

.semantic-result h4 a {
  color: #cffafe;
  text-decoration: underline;
  text-decoration-color: rgba(103, 232, 249, 0.5);
  text-underline-offset: 3px;
}

.semantic-result p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.42;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.semantic-result .semantic-result-meta {
  display: block;
  margin-top: 7px;
  color: #a5f3fc;
  font-weight: 700;
}

.semantic-result-actions {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}

.semantic-more-button {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(103, 232, 249, 0.42);
  border-radius: 9px;
  background: rgba(6, 182, 212, 0.1);
  color: #ecfeff;
  font: inherit;
  font-size: 14px;
  font-weight: 850;
  cursor: pointer;
}

.semantic-more-button:hover,
.semantic-more-button:focus-visible {
  border-color: rgba(165, 243, 252, 0.82);
  background: rgba(6, 182, 212, 0.16);
}

.semantic-more-button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.semantic-agent-bridge {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.semantic-agent-pitch {
  margin: 0;
  color: #ecfeff;
  font-size: 16px;
  font-weight: 850;
  line-height: 1.35;
}

.semantic-agent-setup {
  margin: 0;
}

.semantic-agent-setup[open] {
  grid-column: 1 / -1;
}

.semantic-agent-setup summary {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(103, 232, 249, 0.42);
  border-radius: 9px;
  background: rgba(6, 182, 212, 0.1);
  color: #ecfeff;
  font-size: 14px;
  font-weight: 850;
  cursor: pointer;
  list-style: none;
}

.semantic-agent-setup summary::-webkit-details-marker {
  display: none;
}

.semantic-agent-setup summary:hover,
.semantic-agent-setup summary:focus-visible {
  border-color: rgba(165, 243, 252, 0.82);
}

.semantic-agent-setup-panel {
  max-width: 720px;
  margin-top: 10px;
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.44);
}

.semantic-agent-setup-panel > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.semantic-runtime-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.semantic-runtime-tab,
.semantic-agent-copy {
  min-height: 32px;
  padding: 0 9px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.72);
  color: #cbd5e1;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.semantic-runtime-tab[aria-selected="true"] {
  border-color: rgba(103, 232, 249, 0.56);
  background: rgba(6, 182, 212, 0.12);
  color: #ecfeff;
}

.semantic-runtime-tab:focus-visible,
.semantic-agent-copy:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.semantic-agent-command {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  margin-top: 9px;
}

.semantic-agent-command pre {
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 8px;
  background: #080c12;
  color: #dbeafe;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.semantic-agent-setup-panel .semantic-agent-note {
  margin-top: 9px;
  color: #a5f3fc;
}

@media (max-width: 640px) {
  .semantic-form,
  .semantic-result-list,
  .semantic-progress-wrap,
  .semantic-agent-command,
  .semantic-agent-bridge {
    grid-template-columns: 1fr;
  }

  .semantic-agent-setup[open] {
    grid-column: auto;
  }

  .semantic-more-button {
    width: 100%;
  }
}