:root {
  --topbar-from: #ebe8fb;
  --topbar-to: #e3ddf6;
  --topbar-edge: rgba(91, 92, 255, 0.14);
  --topbar-text: #3a3458;
  --topbar-muted: #575174;
  --brand: #5b5cff;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: #fff;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(90deg, var(--topbar-from), var(--topbar-to));
  border-bottom: 1px solid var(--topbar-edge);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--topbar-text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.controls label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--topbar-muted);
  font-size: 13px;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

select,
button {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  border: 1px solid rgba(91, 92, 255, 0.22);
  border-radius: 8px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--topbar-text);
  outline: none;
}

button {
  cursor: pointer;
  font-weight: 600;
  color: var(--brand);
}

button:hover {
  background: #fff;
}

.content {
  min-height: calc(100% - 53px);
}

#loadingHint {
  margin: 24px 16px;
  color: #6b7280;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
}

.hint {
  font-size: 14px;
}