/* Public OpenAPI compare — Watchtower styling (not oasdiff clone) */
.tools-compare-page {
  --signal: #f59e0b;
  --link-accent: #38bdf8;
  --ok: #22c55e;
}

.compare-shell {
  max-width: 920px;
  margin: 0 auto;
  padding: 2rem var(--page-x, 1rem) 4rem;
}

.compare-hero {
  margin-bottom: 2rem;
}

.compare-hero h1 {
  font-size: clamp(1.65rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  margin: 0.35rem 0 0.65rem;
}

.compare-hero-lead {
  color: var(--muted);
  max-width: 52ch;
  margin: 0;
}

.compare-hero-note {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.75rem;
}

.compare-mode-toggle {
  display: inline-flex;
  gap: 0.35rem;
  margin-top: 1rem;
  padding: 0.2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.compare-mode-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
}

.compare-mode-btn.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.compare-step-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--link-accent);
  margin-bottom: 0.85rem;
}

.compare-spec-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: stretch;
}

@media (max-width: 760px) {
  .compare-spec-grid {
    grid-template-columns: 1fr;
  }
  .compare-flow-arrow {
    display: none;
  }
}

.compare-flow-arrow {
  align-self: center;
  color: var(--muted);
  font-size: 1.25rem;
  padding: 0 0.25rem;
}

.compare-spec-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.compare-spec-card header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.compare-spec-card label.upload {
  font-size: 0.78rem;
  color: var(--link-accent);
  cursor: pointer;
  white-space: nowrap;
}

.compare-spec-card label.upload input {
  display: none;
}

.compare-spec-card textarea {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  line-height: 1.45;
  padding: 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
}

.compare-actions {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn-signal {
  background: var(--signal);
  color: #0a0f14;
  border: none;
  font-weight: 700;
}

.btn-signal:hover {
  filter: brightness(1.05);
}

.compare-status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 1rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.status-pill.breaking {
  border-color: rgba(255, 107, 107, 0.45);
  color: var(--breaking);
}

.status-pill.warning {
  border-color: rgba(245, 158, 11, 0.45);
  color: var(--signal);
}

.status-pill.ok {
  border-color: rgba(34, 197, 94, 0.4);
  color: var(--ok);
}

.compare-tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.compare-tab {
  font-size: 0.82rem;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.compare-tab.active {
  color: var(--text);
  border-color: var(--link-accent);
  background: rgba(56, 189, 248, 0.08);
}

.compare-timeline {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.compare-event {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--border);
}

.compare-event.sev-breaking {
  border-left-color: var(--breaking);
}

.compare-event.sev-warning {
  border-left-color: var(--signal);
}

.compare-event.sev-info {
  border-left-color: var(--link-accent);
}

.compare-event-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  align-items: center;
  margin-bottom: 0.35rem;
}

.compare-event-path {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
}

.compare-event-msg {
  font-size: 0.85rem;
  margin: 0;
}

.compare-event-impact {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0.35rem 0 0;
}

.compare-cta-panel {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid rgba(56, 189, 248, 0.25);
  background: rgba(56, 189, 248, 0.06);
}

.compare-cta-panel h3 {
  font-size: 0.95rem;
  margin: 0 0 0.35rem;
}

.compare-cta-panel p {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 0.85rem;
}

.compare-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.compare-changelog-pre {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  line-height: 1.5;
  white-space: pre-wrap;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem;
  max-height: 420px;
  overflow: auto;
}

.compare-error {
  color: var(--breaking);
  font-size: 0.88rem;
  margin-top: 0.75rem;
}

.compare-bridge-note {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 1rem;
}