.tool-info-button {
  flex: none;
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line, var(--stroke, #bdbdbd));
  border-radius: 50%;
  background: transparent;
  color: var(--ink, var(--parent-text, #171717));
  font: 800 16px/1 Georgia, serif;
  cursor: pointer;
}

.tool-info-button:hover {
  background: var(--surface, #f5f5f5);
}

.tool-info-button:focus-visible,
.tool-info-dialog__close:focus-visible {
  outline: 2px solid var(--focus, var(--accent, #2f74ff));
  outline-offset: 2px;
}

.tool-info-dialog {
  width: min(420px, calc(100% - 48px));
  max-height: calc(100% - 48px);
  margin: auto;
  padding: 0;
  border: 1px solid var(--line, var(--stroke, #bdbdbd));
  border-radius: 8px;
  background: var(--paper, var(--parent-bg, #ffffff));
  color: var(--ink, var(--parent-text, #171717));
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

.tool-info-dialog::backdrop {
  background: rgba(0, 0, 0, 0.46);
}

.tool-info-dialog__frame {
  margin: 0;
}

.tool-info-dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--line, var(--stroke, #d8d8d8));
}

.tool-info-dialog__title {
  margin: 0;
  color: inherit;
  font: 800 18px/1.15 var(--parent-font-family, system-ui, sans-serif);
  letter-spacing: -0.01em;
}

.tool-info-dialog__close {
  flex: none;
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line, var(--stroke, #bdbdbd));
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font: 400 20px/1 system-ui, sans-serif;
  cursor: pointer;
}

.tool-info-dialog__body {
  padding: 12px 14px 14px;
  font: 400 14px/1.45 var(--parent-font-family, system-ui, sans-serif);
}

.tool-info-dialog__section h3 {
  margin: 0 0 4px;
  color: inherit;
  font: 800 11px/1.2 var(--parent-font-family, system-ui, sans-serif);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.tool-info-dialog__section p {
  margin: 0;
}

.tool-info-dialog__sources ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.tool-info-dialog__sources li + li {
  margin-top: 5px;
}

.tool-info-dialog__sources a {
  color: var(--focus, var(--accent, #2f74ff));
  text-underline-offset: 2px;
}

.tool-info-dialog__section + .tool-info-dialog__section {
  margin-top: 11px;
  padding-top: 10px;
  border-top: 1px solid var(--line, var(--stroke, #d8d8d8));
}

.app__header {
  position: relative;
}

.app__header > .tool-info-button {
  position: absolute;
  top: 5px;
  right: 0;
}

.app__header > .equilibrium {
  margin-right: 38px;
}