/* Kubernaut upstream design language — service family colors */
:root {
  --kn-primary: #0891B2;
  --kn-accent: #D97706;
  --kn-navy: #1a1a2e;
  --kn-sp: #0891B2;
  --kn-aa: #6366F1;
  --kn-ro: #0F172A;
  --kn-wfe: #D97706;
  --kn-em: #059669;
  --kn-notif: #DC2626;
  --kn-gw: #0891B2;
  --kn-support: #64748B;
}

/* Mermaid: transparent background for any remaining diagrams */
.mermaid,
.mermaid svg {
  background: transparent !important;
}

.mermaid svg > rect {
  fill: transparent !important;
}

/* How It Works — two-panel layout */
.how-it-works-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
  margin: 1.5rem 0;
}

.how-it-works-diagram {
  max-width: 100%;
}

.how-it-works-diagram svg {
  width: 100%;
  height: auto;
}

.how-it-works-phases dt {
  font-size: 0.88rem;
  margin-top: 0.8rem;
}

.how-it-works-phases dt:first-of-type {
  margin-top: 0;
}

.how-it-works-phases dd {
  font-size: 0.82rem;
  line-height: 1.5;
  color: #444;
  margin-left: 0;
}

.how-it-works-phases dd ul {
  margin: 0.3rem 0 0;
  padding-left: 1.2rem;
}

.how-it-works-phases dd ul li {
  font-size: 0.82rem;
  margin: 0.15rem 0;
}

@media (max-width: 960px) {
  .how-it-works-panel {
    grid-template-columns: 1fr;
  }
  .how-it-works-diagram {
    max-width: 500px;
    margin: 0 auto;
  }
}

/* Interactive session chat mockup */
.kn-chat {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.88rem;
  line-height: 1.55;
}

.kn-msg {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  max-width: 92%;
}

.kn-msg.kn-user {
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  align-self: flex-end;
}

.kn-msg.kn-agent {
  background: #F0FDFA;
  border: 1px solid var(--kn-primary);
  align-self: flex-start;
}

.kn-msg.kn-system {
  background: #FFFBEB;
  border: 1px solid var(--kn-accent);
  align-self: flex-start;
  font-style: italic;
}

.kn-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.1em 0.5em;
  border-radius: 4px;
  background: var(--kn-primary);
  color: white;
  vertical-align: middle;
  margin-left: 0.3em;
}

.kn-badge-ok {
  background: var(--kn-em);
}

.kn-choices {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.kn-choice {
  flex: 1;
  padding: 0.6rem 0.8rem;
  border: 2px solid #E2E8F0;
  border-radius: 8px;
  background: white;
  cursor: pointer;
  transition: border-color 0.15s;
}

.kn-choice:hover {
  border-color: var(--kn-primary);
}

.kn-choice strong {
  font-size: 0.85rem;
}

.kn-choice-meta {
  font-size: 0.72rem;
  color: #94A3B8;
}

.kn-thinking {
  font-size: 0.78rem;
  color: #94A3B8;
  font-style: italic;
}

/* macOS-style window frame for chat mockups */
.kn-window {
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  margin: 0.8rem 0;
}

.kn-window-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem;
  background: #F1F5F9;
  border-bottom: 1px solid #E2E8F0;
}

.kn-window-dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.kn-window-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.kn-window-dots span:nth-child(1) { background: #FF5F56; }
.kn-window-dots span:nth-child(2) { background: #FFBD2E; }
.kn-window-dots span:nth-child(3) { background: #27C93F; }

.kn-window-title {
  font-size: 0.75rem;
  color: #94A3B8;
  letter-spacing: 0.02em;
  margin-left: auto;
  margin-right: auto;
}

.kn-window > .kn-chat {
  padding: 0.8rem;
}