:root {
  --hbr-bg: #ffffff;
  --hbr-border: #E5E7EB;
  --hbr-text: #0F172A;
  --hbr-muted: #6B7280;
  --hbr-accent: #111827;
  --hbr-radius: 14px;
}

.hbr-container * { box-sizing: border-box; }

.hbr-wrap {
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  color: var(--hbr-text);
  background: var(--hbr-bg);
  border: 1px solid var(--hbr-border);
  border-radius: var(--hbr-radius);
  padding: 20px;
}

.hbr-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700; margin-bottom: 14px;
}

.hbr-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.hbr-tab-btn {
  padding: 8px 12px; border: 1px solid var(--hbr-border);
  border-radius: 999px; background: #F9FAFB; cursor: pointer; font-weight: 600;
}
.hbr-tab-btn[aria-selected="true"] { background: #111827; color: #fff; }

.hbr-grid { display: grid; gap: 16px; }
@media (min-width: 900px) { .hbr-grid-2 { grid-template-columns: 1fr 1fr; } .hbr-grid-3 { grid-template-columns: repeat(3, 1fr); } }

.hbr-card { border: 1px solid var(--hbr-border); border-radius: var(--hbr-radius); background: #fff; }
.hbr-card .hbr-card-body { padding: 16px; }
.hbr-card h2 { font-size: 16px; font-weight: 700; margin: 0 0 10px; }

.hbr-field { display: grid; gap: 6px; }
.hbr-label { font-size: 12px; color: var(--hbr-muted); }
.hbr-input, .hbr-select {
  width: 100%; padding: 8px 10px; border: 1px solid var(--hbr-border); border-radius: 10px; background: #fff;
}

.hbr-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hbr-row-3 { grid-template-columns: repeat(3, 1fr); }

.hbr-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.hbr-table td { padding: 6px 0; border-bottom: 1px dashed #eee; }
.hbr-table td:nth-child(1) { color: var(--hbr-muted); }
.hbr-mono { font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace; }

.hbr-note { margin-top: 10px; padding: 8px 10px; background: #F3F4F6; border-radius: 10px; font-size: 12px; color: #374151; }

.hbr-footer { text-align: center; font-size: 12px; color: var(--hbr-muted); margin-top: 8px; }

.hbr-toggle { font-size: 12px; color: #2563EB; cursor: pointer; text-decoration: underline; margin-top: 8px; display: inline-block; }

/* Simple SVG box */
.hbr-visual { width: 100%; border-radius: var(--hbr-radius); border: 1px solid var(--hbr-border); padding: 8px; display: grid; place-items: center; }