.bo-shell { display: grid; grid-template-columns: 230px 1fr; height: 100vh; }
.bo-side { background: var(--bg-raised); border-right: 1px solid var(--border); overflow-y: auto; padding: 12px 0; }
.bo-brand { font-weight: 700; font-size: 16px; padding: 4px 16px 12px; }
.bo-brand small { display: block; color: var(--text-dim); font-weight: 400; }
.bo-module { margin: 10px 0 2px; padding: 0 16px; color: var(--text-dim); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.bo-side a {
  display: flex; align-items: center; gap: 8px; padding: 6px 16px; color: var(--text);
  text-decoration: none; font-size: 13.5px;
}
.bo-side a:hover { background: var(--bg-hover); }
.bo-side a.active { background: var(--bg-hover); box-shadow: inset 3px 0 0 var(--accent); }
.bo-side a .lock { margin-left: auto; font-size: 11px; color: var(--warn); }
.bo-main { display: flex; flex-direction: column; min-width: 0; }
.bo-top {
  display: flex; gap: 12px; align-items: center; padding: 8px 20px;
  border-bottom: 1px solid var(--border); background: var(--bg-raised);
}
.bo-top input { max-width: 380px; }
.bo-content { overflow-y: auto; flex: 1; }
.upsell {
  border: 1px solid var(--warn); border-radius: var(--radius); padding: 24px; margin: 16px 0;
  background: color-mix(in srgb, var(--warn) 6%, var(--bg-raised));
}
.inbox-split { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 12px; }
.inbox-doc {
  background: var(--bg-raised); border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 18px; font-family: var(--mono); font-size: 12.5px; white-space: pre-wrap; color: var(--text-dim);
}
.matrix td:first-child { white-space: nowrap; }
.matrix .cell { text-align: center; }