/* v346: make the evolution codex's horizontal continuation discoverable. */
@scope (body[data-codex-scroll-affordance-release="346"]) {
  :scope #panel-milestones .codex-section-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 20px 0 8px;
  }

  :scope #panel-milestones .codex-section-head .section-label {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
  }

  :scope #panel-milestones .codex-scroll-hint {
    box-sizing: border-box;
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: 24px;
    padding: 3px 7px;
    border: 1px solid #b8d8ff;
    border-radius: 999px;
    color: #1769e5;
    background: #edf5ff;
    font-size: 11px;
    font-weight: 800;
    line-height: 16px;
    white-space: nowrap;
  }

  :scope #panel-milestones .codex-scroll-arrow {
    width: 8px;
    color: #3182f6;
    font-size: 15px;
    font-weight: 900;
    line-height: 1;
    text-align: center;
  }

  :scope #panel-milestones .codex-rail-shell {
    position: relative;
    min-width: 0;
    isolation: isolate;
  }

  :scope #panel-milestones .codex-rail-shell::before,
  :scope #panel-milestones .codex-rail-shell::after {
    content: "";
    position: absolute;
    z-index: 3;
    top: 6px;
    bottom: 16px;
    width: 24px;
    pointer-events: none;
    opacity: 1;
  }

  :scope #panel-milestones .codex-rail-shell::before {
    left: 0;
    background: linear-gradient(90deg, #f7f9fc 12%, rgba(247, 249, 252, 0));
  }

  :scope #panel-milestones .codex-rail-shell::after {
    right: 0;
    background: linear-gradient(270deg, #f7f9fc 12%, rgba(247, 249, 252, 0));
  }

  :scope #panel-milestones .codex-rail-shell[data-codex-scroll-position="start"]::before,
  :scope #panel-milestones .codex-rail-shell[data-codex-scroll-position="end"]::after,
  :scope #panel-milestones .codex-rail-shell[data-codex-scroll-position="none"]::before,
  :scope #panel-milestones .codex-rail-shell[data-codex-scroll-position="none"]::after {
    opacity: 0;
  }

  :scope #panel-milestones .codex-section-head:has(+ .codex-rail-shell[data-codex-scroll-position="start"])
    .codex-scroll-arrow-left,
  :scope #panel-milestones .codex-section-head:has(+ .codex-rail-shell[data-codex-scroll-position="end"])
    .codex-scroll-arrow-right {
    opacity: 0.22;
  }

  :scope #panel-milestones .codex-section-head:has(+ .codex-rail-shell[data-codex-scroll-position="none"])
    .codex-scroll-hint {
    display: none;
  }

  :scope #panel-milestones .codex-row {
    scrollbar-width: thin;
    scrollbar-color: #80b5f5 #e7edf5;
    padding-bottom: 14px;
  }

  :scope #panel-milestones .codex-row::-webkit-scrollbar {
    height: 5px;
  }

  :scope #panel-milestones .codex-row::-webkit-scrollbar-track {
    border-radius: 999px;
    background: #e7edf5;
  }

  :scope #panel-milestones .codex-row::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: #80b5f5;
  }

  :scope #panel-milestones .codex-row:focus-visible {
    outline: 2px solid #80b5f5;
    outline-offset: 2px;
    border-radius: 8px;
  }

}