:root {
  --color-page-bg: #e5eaf5;
  --color-scrollbar: #a4a4a4;

  /* error alert (MUI error palette) */
  --color-error-bg: #fdeded;
  --color-error-border: #f44336;
  --color-error-title: #d32f2f;
  --color-error-text: #5f2120;

  /* remote override FAB */
  --color-fab: #f59e0b;
  --color-fab-hover: #d97706;

  --space-2: 8px;
  --space-4: 16px;
}

html {
  font-size: 10px;
  background-color: var(--color-page-bg);
}

html,
body {
  width: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Open Sans", "Roboto";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--color-page-bg) !important;
}

#root {
  width: 100%;
}

::-webkit-scrollbar {
  width: var(--space-2);
  height: var(--space-2);
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-scrollbar);
  border-radius: var(--space-2);
  max-height: 50px;
  outline: 1px solid var(--color-scrollbar);
}

code {
  font-family:
    source-code-pro, Menlo, Monaco, Consolas, "Courier New", monospace;
}

.app-load-error {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: var(--space-4);
}

.app-load-error__card {
  max-width: 600px;
  width: 100%;
  padding: var(--space-4);
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  border-radius: 4px;
}

.app-load-error__title {
  font-size: 1em; /* reset h1 default 2em; match surrounding body text scale */
  font-weight: 600;
  margin: 0 0 var(--space-2); /* reset h1 default top margin */
  color: var(--color-error-title);
}

.app-load-error__body {
  margin-bottom: var(--space-2);
  color: var(--color-error-text);
}

.app-load-error__url {
  color: var(--color-error-text);
  font-size: 0.875rem;
  word-break: break-word;
}

.app-remote-fab {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  z-index: 99999;
  background: var(--color-fab);
  color: #000;
  border: 2px solid var(--color-fab-hover);
  border-radius: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: background 0.15s;
}

.app-remote-fab:hover {
  background: var(--color-fab-hover);
}