.sandbox {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  max-width: 1080px;
  margin: 0 auto;
}
.sandbox .view-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.sandbox .view-eyebrow {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: var(--space-2);
}
.sandbox .view-title {
  font-family: var(--font-display);
  font-size: 30px;
  margin: 0;
  letter-spacing: 0.01em;
}
.sandbox .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-6);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
}
.sandbox .empty-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: grid; place-items: center;
  color: var(--accent-blue);
  background: rgba(74,144,226,0.08);
  border: 1px solid var(--border-lit);
}
.sandbox .empty-icon svg { width: 26px; height: 26px; }
.sandbox .empty-state h2 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0;
}
.sandbox .empty-state p {
  color: var(--text-secondary);
  margin: 0;
  max-width: 420px;
  line-height: 1.6;
}

/* Sandbox CRUD (namespaced) */
.sb-card { transition: border-color 140ms ease; }
.sb-card:hover { border-color: var(--border-lit); }

.sb-form { gap: 12px; }
.sb-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.sb-input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel-raised);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 13px;
  outline: none;
}
.sb-input:focus { border-color: var(--border-lit); }
.sb-input::placeholder { color: var(--text-muted); }
select.sb-input { cursor: pointer; }

.sb-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
}
.sb-check input { accent-color: var(--accent-blue); }

.sb-detail-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.sb-detail-label {
  color: var(--text-muted);
  min-width: 120px;
}

/* Modal (namespaced) */
.sb-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(7, 10, 18, 0.7);
}
.sb-modal {
  width: min(400px, 100%);
  padding: 24px;
  border: 1px solid var(--border-lit);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-raised);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sb-modal-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
}
.sb-modal-text {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}
.sb-modal-error {
  color: var(--error);
  font-size: 13px;
}
.sb-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 4px;
}