/* Alloy demo canvas — extends cinematic.css tokens */

.demo-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.demo-nav {
  position: sticky;
  top: 0;
}

.demo-nav .nav-back {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}

.demo-nav .nav-back:hover {
  color: var(--accent-bright);
}

.demo-nav-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.demo-main {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1rem, 4vw, 1.5rem) 4rem;
}

.demo-main h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.demo-lead {
  color: var(--muted);
  max-width: 42rem;
  margin-bottom: 1.5rem;
  font-size: 1.02rem;
}

:root {
  --dim: 0.35;
  --border: var(--line);
}

/* Tabs */
.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.75rem;
}

.tab-bar button {
  font-family: var(--font-body);
  font-size: 0.82rem;
  padding: 0.5rem 0.95rem;
  border-radius: 10px 10px 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.tab-bar button:hover {
  color: var(--fg);
}

.tab-bar button.active {
  border-color: var(--line);
  background: color-mix(in srgb, var(--bg) 55%, white);
  color: var(--fg);
  font-weight: 500;
  box-shadow: 0 -2px 12px color-mix(in srgb, var(--walnut) 6%, transparent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Progress */
.progress-wrap {
  margin-bottom: 1.5rem;
}

.progress-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.progress-bar {
  height: 4px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  transition: width 0.35s ease;
}

/* Pickers */
.scenario-picker,
.tier-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.scenario-picker button,
.tier-picker button {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 60%, white);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s var(--spring);
}

.scenario-picker button:hover,
.tier-picker button:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.scenario-picker button.active,
.tier-picker button.active {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, var(--bg));
}

/* Signal chain nodes */
.chain-wrap {
  margin-bottom: 1.5rem;
}

.chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.25rem;
}

.chain.parallel .side-branch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  border: 1px dashed var(--line);
  background: color-mix(in srgb, var(--walnut) 6%, var(--bg));
  width: 100%;
}

.side-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  width: 100%;
  margin-bottom: 0.25rem;
}

.node {
  flex: 1 1 120px;
  min-width: 100px;
  padding: 1rem 0.75rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 65%, white);
  text-align: center;
  cursor: pointer;
  transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s var(--spring), opacity 0.3s ease;
}

.node:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

.node.active {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  transform: translateY(-2px);
}

.node.visited {
  opacity: 0.85;
}

.node.dimmed {
  opacity: var(--dim);
  pointer-events: none;
}

.node.hidden-edge {
  opacity: 0.2;
  transform: scale(0.95);
}

.node.side {
  flex: 0 1 auto;
  min-width: 90px;
  font-size: 0.85rem;
}

.node-dot {
  width: 2rem;
  height: 2rem;
  margin: 0 auto 0.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  color: #fffaf4;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.node.gate .node-dot {
  background: var(--walnut);
}

.node.side .node-dot {
  background: color-mix(in srgb, var(--muted) 80%, var(--walnut));
  width: 1.5rem;
  height: 1.5rem;
  font-size: 0.6rem;
}

.node-label {
  font-size: 0.8rem;
  font-weight: 500;
}

.arrow {
  color: var(--muted);
  font-size: 1.25rem;
  flex: 0 0 auto;
  transition: opacity 0.3s ease;
}

.arrow.dimmed {
  opacity: var(--dim);
}

/* Glass detail panel */
.demo-panel {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 62%, white);
  backdrop-filter: blur(12px) saturate(130%);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  box-shadow: 0 12px 40px color-mix(in srgb, var(--walnut) 8%, transparent);
  margin-bottom: 1.5rem;
  min-height: 5rem;
}

.demo-panel h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.demo-panel p {
  font-size: 0.95rem;
  color: var(--muted);
}

.demo-panel .hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.75rem;
  font-style: italic;
}

.demo-controls {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  align-items: center;
}

.btn-ghost {
  color: var(--fg);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  border: 1.5px solid var(--line);
}

.btn-ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.btn-ghost.active {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, var(--bg));
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: clamp(1.75rem, 4vw, 2.25rem);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--bg-deep), color-mix(in srgb, var(--walnut) 40%, var(--bg-deep)));
  color: #f5f0e8;
  border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
  box-shadow: var(--shadow);
}

.cta-band p {
  color: rgba(245, 240, 232, 0.72);
  margin: 0.75rem 0 1.25rem;
}

/* Context hub */
.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.toggle-row label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.context-hub {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.context-hub .hub-center {
  grid-column: 1 / -1;
  text-align: center;
  padding: 1rem;
  border: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
  font-weight: 500;
}

.demo-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: var(--bg-deep);
  color: #f5f0e8;
  margin-top: 0.35rem;
}

.demo-badge.pulse {
  animation: demoPulse 1.2s ease 2;
}

@keyframes demoPulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); }
  50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--accent) 0%, transparent); }
}

/* Tools grid */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tool-chip {
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-align: center;
  transition: opacity 0.3s ease;
}

.tool-chip.allowed {
  background: color-mix(in srgb, var(--accent) 12%, var(--bg));
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.tool-chip.denied {
  opacity: var(--dim);
  text-decoration: line-through;
}

.hitl-steps {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.hitl-step {
  flex: 1;
  min-width: 100px;
  padding: 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 0.8rem;
  text-align: center;
  opacity: 0.4;
  background: color-mix(in srgb, var(--bg) 60%, white);
}

.hitl-step.active {
  opacity: 1;
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, var(--bg));
}

/* Architecture */
.arch-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.arch-layer {
  padding: 1rem 1.25rem;
  border-radius: 14px;
  border: 2px solid var(--line);
  background: color-mix(in srgb, var(--bg) 62%, white);
  cursor: pointer;
  transition: border-style 0.3s ease, opacity 0.3s ease, transform 0.25s var(--spring);
}

.arch-layer:hover {
  transform: translateY(-2px);
}

.arch-layer.primary {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  border-style: solid;
}

.arch-layer.secondary {
  border-style: dashed;
  opacity: 0.75;
}

.arch-layer h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.arch-layer p {
  font-size: 0.8rem;
  color: var(--muted);
}

.runtime-toggle {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.cp-carousel {
  display: none;
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 70%, white);
  margin-top: 1rem;
}

.cp-carousel.open {
  display: block;
}

.cp-slide {
  font-size: 0.85rem;
  color: var(--muted);
  padding: 0.5rem 0;
}

.demo-muted {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

@media (max-width: 640px) {
  .arrow {
    display: none;
  }

  .chain {
    flex-direction: column;
  }

  .node {
    width: 100%;
  }

  .tab-bar button {
    flex: 1 1 calc(50% - 0.35rem);
    text-align: center;
    border-radius: 10px;
    border-bottom: 1px solid transparent;
  }

  .tab-bar button.active {
    border-bottom-color: var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-badge.pulse {
    animation: none;
  }
}