.owner-body {
  padding: var(--space-6);
}

.owner-shell {
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.owner-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
}

.owner-header h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3.25rem);
  color: var(--text-strong);
}

.owner-intro {
  max-width: 760px;
  line-height: 1.6;
  color: var(--text-soft);
}

.owner-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.summary-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface-raised), var(--surface-muted));
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
}

.summary-label {
  margin-bottom: var(--space-2);
  font-size: var(--type-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.summary-card strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--text-strong);
}

.summary-card span {
  color: var(--text-soft);
  line-height: 1.5;
}

.owner-layout {
  display: grid;
  grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.catalog-panel,
.detail-panel,
.preview-card {
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.catalog-panel {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: sticky;
  top: var(--space-5);
}

/* ── Module Hero (AI Assistant) ── */

.module-hero {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 2px solid var(--line-soft);
  background: linear-gradient(135deg, var(--accent-primary-faint), var(--surface-raised));
  cursor: pointer;
  text-align: left;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.module-hero:hover {
  border-color: var(--accent-primary-medium);
}

.module-hero.is-active {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-faint), var(--shadow-soft);
}

.module-hero-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  color: #fff;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.module-hero-text {
  flex: 1;
  min-width: 0;
}

.module-hero-text strong {
  display: block;
  color: var(--text-strong);
  font-size: var(--type-md);
}

.module-hero-text span {
  color: var(--text-soft);
  font-size: var(--type-sm);
}

/* ── Module Navigation Grid ── */

.module-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.module-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.module-nav-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
  background: var(--surface-raised);
  cursor: pointer;
  text-align: left;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.module-nav-button strong {
  font-size: var(--type-sm);
  font-weight: 600;
  color: var(--text-strong);
}

.module-nav-button span {
  font-size: var(--type-xs);
  color: var(--text-muted);
  font-weight: 700;
}

.module-nav-button:hover {
  background: var(--surface-muted);
}

.module-nav-button.is-active {
  background: var(--text-strong);
  border-color: var(--text-strong);
}

.module-nav-button.is-active strong {
  color: var(--surface-raised);
}

.module-nav-button.is-active span {
  color: rgba(255, 255, 255, 0.6);
}

/* ── Panel Blocks ── */

.panel-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.panel-heading h2,
.preview-header h2,
.detail-panel h2 {
  color: var(--text-strong);
}

.search-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.search-field input {
  min-height: 46px;
  padding: 0 var(--space-4);
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: var(--surface-raised);
  color: var(--text-strong);
}

/* ── Entry List ── */

.entry-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: calc(100dvh - 520px);
  overflow: auto;
  padding-right: var(--space-1);
}

.catalog-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3);
  text-align: left;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
  background: var(--surface-raised);
  color: inherit;
  cursor: pointer;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.catalog-item:hover {
  border-color: var(--accent-primary-medium);
}

.catalog-item.is-selected {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-primary-subtle);
}

.catalog-item strong {
  color: var(--text-strong);
  font-size: var(--type-sm);
}

.catalog-item span {
  color: var(--text-soft);
  font-size: var(--type-sm);
  line-height: 1.45;
}

.catalog-item-empty {
  cursor: default;
}

/* ── Detail / Preview ── */

.catalog-title-row,
.detail-meta-grid,
.preview-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.catalog-title-row {
  gap: var(--space-2);
}

.catalog-title-row strong {
  color: var(--text-strong);
}

.catalog-title-row span,
.detail-panel p,
.detail-panel li {
  color: var(--text-soft);
  line-height: 1.55;
}

.detail-panel,
.preview-card {
  padding: var(--space-5);
}

.detail-panel ul,
.detail-panel ol {
  margin: 0;
  padding-left: 18px;
}

.detail-panel h2 {
  margin-bottom: var(--space-2);
}

.detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-block {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: var(--surface-muted);
}

.detail-block strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--text-strong);
}

.preview-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.phone-stage {
  display: grid;
  place-items: center;
  min-height: 900px;
  padding: var(--space-4);
  border-radius: 30px;
  background:
    radial-gradient(circle at top left, var(--accent-primary-subtle), transparent 16%),
    radial-gradient(circle at bottom right, var(--accent-tertiary-medium), transparent 18%),
    var(--bg-app-alt);
  border: 1px solid var(--line-soft);
}

.phone-stage iframe {
  width: 100%;
  max-width: calc(var(--phone-width) + 24px);
  height: 900px;
  border: 0;
  border-radius: 42px;
  box-shadow: var(--shadow-phone);
  background: transparent;
}

.variant-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.variant-pill {
  min-height: 34px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: var(--surface-raised);
  color: var(--text-soft);
  font-size: var(--type-xs);
  font-weight: 700;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.variant-pill.is-active {
  background: var(--accent-primary);
  color: #FFFFFF;
  border-color: var(--accent-primary);
}

@media (max-width: 1100px) {
  .owner-body {
    padding: var(--space-4);
  }

  .owner-summary,
  .owner-layout,
  .detail-meta-grid {
    grid-template-columns: 1fr;
  }

  .owner-header {
    flex-direction: column;
  }

  .catalog-panel {
    position: static;
  }

  .entry-list {
    max-height: none;
  }

  .phone-stage {
    min-height: 720px;
  }

  .phone-stage iframe {
    height: 820px;
  }
}