.panel-help-dialog {
  min-width: 0;
}

.panel-help-dialog__trigger {
  position: relative;
  display: inline-grid;
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  margin: -8px 0;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--text);
  background: transparent;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.panel-help-dialog__trigger > span {
  display: inline-grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  line-height: 1;
}

.panel-help-dialog__trigger:hover {
  background: color-mix(in srgb, var(--primary, currentColor) 12%, transparent);
}

.panel-help-dialog__trigger:focus-visible,
.panel-help-dialog__fallback summary:focus-visible {
  outline: 3px solid var(--primary, var(--accent));
  outline-offset: 2px;
}

.panel-help-dialog__close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.panel-help-dialog__fallback {
  margin-block: 10px;
}

.panel-help-dialog__fallback summary {
  min-height: 44px;
  cursor: pointer;
  font-weight: 700;
}

.panel-help-dialog__content {
  min-width: 0;
  overflow-wrap: anywhere;
}

.panel-help-dialog__content h3 {
  margin: 0;
}

.panel-help-dialog__content p {
  margin-block: 12px 0;
  line-height: 1.55;
}

.panel-help-dialog__levels {
  display: grid;
  gap: 12px;
  margin-block: 16px;
}

.panel-help-dialog__level h4,
.panel-help-dialog__level p {
  margin: 0;
}

.panel-help-dialog__level p {
  margin-block-start: 4px;
}

.panel-help-dialog__note {
  color: var(--muted);
}

.panel-help-dialog__modal {
  width: min(34rem, calc(100vw - 32px));
  max-width: 34rem;
  max-height: min(80dvh, calc(100vh - 32px));
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  background: var(--surface-elevated, var(--surface));
  box-shadow: var(--shadow);
}

.panel-help-dialog__modal::backdrop {
  background: rgb(0 0 0 / 58%);
}

.panel-help-dialog__surface {
  --panel-help-dialog-close-hit-size: 44px;
  --panel-help-dialog-close-gap: 8px;

  position: relative;
  max-height: min(80dvh, calc(100vh - 32px));
  padding: 24px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.panel-help-dialog__surface .panel-help-dialog__content > h3 {
  padding-inline-end: calc(
    var(--panel-help-dialog-close-hit-size)
    + var(--panel-help-dialog-close-gap)
  );
}

.panel-help-dialog__close {
  position: absolute;
  inset-block-start: 12px;
  inset-inline-end: 12px;
  display: inline-flex;
  width: var(--panel-help-dialog-close-hit-size);
  min-width: var(--panel-help-dialog-close-hit-size);
  height: var(--panel-help-dialog-close-hit-size);
  min-height: var(--panel-help-dialog-close-hit-size);
  padding: 0;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--control-border, var(--border));
  border-radius: 12px;
  color: var(--heading, var(--text));
  background: var(--control-bg, var(--surface-elevated, var(--surface)));
  font: inherit;
  cursor: pointer;
}

.panel-help-dialog__close > span {
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1;
}

.panel-help-dialog__close:hover {
  border-color: var(--control-border-hover, var(--border));
  background: var(--control-bg-hover, var(--surface-elevated, var(--surface)));
}

[data-panel-help-enhanced="true"] .panel-help-dialog__fallback[hidden],
.panel-help-dialog__trigger[hidden],
.panel-help-dialog__modal[hidden] {
  display: none;
}

@media (max-width: 420px) {
  .panel-help-dialog__modal {
    width: calc(100vw - 20px);
    max-height: min(88dvh, calc(100vh - 20px));
  }

  .panel-help-dialog__surface {
    max-height: min(88dvh, calc(100vh - 20px));
    padding: 20px 16px;
  }
}

@media (forced-colors: active) {
  .panel-help-dialog__trigger,
  .panel-help-dialog__close,
  .panel-help-dialog__modal {
    border: 2px solid CanvasText;
  }

  .panel-help-dialog__modal::backdrop {
    background: Canvas;
    opacity: 0.75;
  }
}

@media (prefers-reduced-motion: reduce) {
  .panel-help-dialog,
  .panel-help-dialog__modal,
  .panel-help-dialog__surface {
    scroll-behavior: auto;
    transition: none;
  }
}