:root {
  --sidebar-w: 279px;
  --discuss-w: 320px;
  --bg: #e2e8f0;
  --panel: #fff;
  --border: rgba(148, 163, 184, 0.35);
  --text: #0f172a;
  --muted: #64748b;
  --voice-bg: #0f1020;
  --accent: #6366f1;
  --highlight: rgba(99, 102, 241, 0.22);
  --highlight-border: #6366f1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.demo-top {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.demo-top h1 { margin: 0; font-size: 14px; font-weight: 700; }
.demo-top p { margin: 4px 0 0; font-size: 12px; color: var(--muted); max-width: 52rem; line-height: 1.45; }
.demo-top nav { display: flex; flex-wrap: wrap; gap: 10px; font-size: 12px; font-weight: 600; }
.demo-top a { color: #4338ca; text-decoration: none; white-space: nowrap; }

.demo-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 16px 48px;
}

.hint-pill {
  font-size: 11px;
  font-weight: 600;
  color: #4338ca;
  background: #eef2ff;
  border: 1px solid rgba(99, 102, 241, 0.35);
  padding: 6px 10px;
  border-radius: 999px;
  max-width: min(720px, 100%);
  text-align: center;
  line-height: 1.4;
}

.hint-pill code { font-size: 10px; background: #fff; padding: 1px 4px; border-radius: 4px; }

/* ── tri-pane CMS + Voice mock ── */

.app-mock {
  display: flex;
  width: min(980px, 100%);
  height: min(520px, calc(100vh - 140px));
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.14);
  background: #f8fafc;
  font-size: 11px;
}

.sidebar-mock {
  flex: 0 0 var(--sidebar-w);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--panel);
  min-width: 0;
}

.sidebar-slab-agent {
  flex: 0 0 auto;
  border-bottom: 1px solid var(--border);
}

.sidebar-agent-toolbar {
  padding: 8px 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fake-select {
  height: 28px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #f8fafc;
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--muted);
}

.main-mock {
  flex: 1 1 auto;
  min-width: 0;
  background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 12px;
}

.discuss-mock {
  flex: 0 0 var(--discuss-w);
  display: flex;
  flex-direction: column;
  background: var(--voice-bg);
  border-left: 1px solid #1e293b;
  min-width: 0;
}

.discuss-shell {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.voice-chrome {
  flex: 0 0 auto;
  padding: 8px 10px;
  border-bottom: 1px solid #1e293b;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.voice-chrome strong { color: #f8fafc; font-size: 12px; }

.voice-hero {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  position: relative;
}

.voice-cloud {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 2px solid rgba(129, 140, 248, 0.5);
  background: radial-gradient(circle at 50% 35%, #312e81, #0f1020 70%);
  box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.12);
}

.voice-status {
  font-size: 11px;
  color: #a5b4fc;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(30, 41, 59, 0.8);
}

.voice-mic-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.voice-mic-row span {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #1e293b;
  display: grid;
  place-items: center;
  color: #94a3b8;
}

/* ── agent preview block (production-like) ── */

.agent-preview-wrap {
  position: relative;
  width: 100%;
}

.agent-preview-wrap.is-target {
  outline: 2px solid var(--highlight-border);
  outline-offset: -2px;
  box-shadow: inset 0 0 0 4px var(--highlight);
}

.agent-preview-frame {
  position: relative;
  overflow: hidden;
  background: #0f172a;
}

.agent-preview-thumb {
  display: block;
  width: 100%;
  height: 148px;
  object-fit: cover;
  object-position: center 28%;
}

.agent-preview-wrap--discuss .agent-preview-thumb {
  height: 120px;
}

.agent-preview-shine {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.18) 50%, transparent 70%);
  opacity: 0.6;
}

.agent-preview-label {
  position: absolute;
  left: 8px;
  bottom: 6px;
  z-index: 2;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #e0e7ff;
  background: rgba(15, 23, 42, 0.72);
  padding: 3px 6px;
  border-radius: 6px;
}

/* placement helpers */

.placement-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 2px solid #6366f1;
  flex-shrink: 0;
}

.placement-circle.is-target {
  box-shadow: 0 0 0 3px var(--highlight);
}

.chat-list {
  width: 100%;
  max-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.chat-avatar {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.chat-avatar.is-target {
  outline: 2px solid var(--highlight-border);
}

.chat-bubble {
  flex: 1;
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 8px 10px;
  color: #cbd5e1;
  line-height: 1.4;
}

.voice-bg-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.35;
  object-fit: cover;
  filter: blur(1px);
}

.voice-bg-layer.is-target {
  outline: 2px dashed var(--highlight-border);
  outline-offset: -4px;
  opacity: 0.5;
}

.voice-hero > *:not(.voice-bg-layer) {
  position: relative;
  z-index: 1;
}

.hero-poster {
  width: 120px;
  height: 160px;
  border-radius: 16px;
  object-fit: cover;
  object-position: center 15%;
  border: 2px solid rgba(129, 140, 248, 0.6);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

.hero-poster.is-target {
  outline: 3px solid var(--highlight-border);
}

.settings-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
  padding: 10px;
}

.settings-3d {
  min-height: 140px;
  border-radius: 12px;
  border: 1px dashed #475569;
  display: grid;
  place-items: center;
  color: #64748b;
  background: #0b1220;
}

.settings-poster {
  width: 100%;
  height: 140px;
  border-radius: 12px;
  object-fit: cover;
  object-position: center 22%;
}

.settings-poster.is-target {
  outline: 2px solid var(--highlight-border);
}

.pet-window {
  width: 140px;
  padding: 10px;
  border-radius: 16px;
  background: rgba(15, 16, 32, 0.92);
  border: 1px solid #334155;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.pet-window img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  object-position: center bottom;
}

.pet-window img.is-target {
  outline: 2px solid var(--highlight-border);
}

.registry-card {
  width: 100%;
  max-width: 240px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.registry-card img {
  width: 100%;
  height: 100px;
  object-fit: cover;
}

.registry-card img.is-target {
  outline: 2px solid var(--highlight-border);
  outline-offset: -2px;
}

.registry-card-body {
  padding: 8px 10px;
  font-size: 11px;
}

.slider-dots {
  display: flex;
  gap: 4px;
  justify-content: center;
  padding: 6px 0 0;
}

.slider-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #cbd5e1;
}

.slider-dots span.is-active { background: #6366f1; }

.extension-mock {
  width: 300px;
  height: 420px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #0f172a;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.2);
}

.extension-head img {
  width: 100%;
  height: 96px;
  object-fit: cover;
  object-position: center 25%;
}

.extension-head img.is-target {
  outline: 2px solid var(--highlight-border);
}

.extension-body {
  flex: 1;
  padding: 12px;
  color: #94a3b8;
  font-size: 11px;
}

/* layout ideas grid */

.ideas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.idea-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.idea-card h3 {
  margin: 0;
  padding: 10px 10px 6px;
  font-size: 13px;
}

.idea-card p {
  margin: 0;
  padding: 0 10px 10px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.45;
}

.idea-frame {
  height: 120px;
  background: #0f172a;
  position: relative;
  overflow: hidden;
}

.idea-frame img {
  width: 100%;
  height: 100%;
  display: block;
}

.idea-frame--circle img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 24px auto 0;
  object-fit: cover;
}

.idea-frame--contain img {
  object-fit: contain;
  padding: 8px;
}

.idea-frame--blur::before {
  content: "";
  position: absolute;
  inset: -10px;
  background: url("_agent-thumb.svg") center/cover;
  filter: blur(12px);
  opacity: 0.7;
}

.idea-frame--blur img {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  margin: 28px auto 0;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid #fff;
}

.idea-frame--fade::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, #0f1020 95%);
  pointer-events: none;
}