Template:OOOInfoBoxTabber/styles.css

/* Template:OOOInfoBoxTabber/styles.css
   Layout-only styles safe for TemplateStyles. */

/* Wrapper (default right) */
.ooo-infobox-tabwrap {
  float: right;
  clear: right;
  width: 300px;                 /* match {{OOOInfoBox}} default if needed */
  margin: 0 0 1em 1em;
}

/* Alignment overrides */
.ooo-infobox-tabwrap--left   { float: left;  clear: left;  margin: 0 1em 1em 0; }
.ooo-infobox-tabwrap--none   { float: none;                margin: 0 0 1em 0; }
.ooo-infobox-tabwrap--center { float: none; display: block; margin: 0 auto 1em; }

/* ===== Wrap mode (default) ===== */
.ooo-infobox-tabwrap .tabber__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  justify-content: flex-start;
  align-content: flex-start;
  align-items: flex-end;
  margin: 0;                    /* snug against the panel */
  width: 100%;
  box-sizing: border-box;
  border: 0;
  background: none;
}

/* Remove TabberNeue's default separator pseudo-element */
.ooo-infobox-tabwrap .tabber__tabs::after { content: none; }

/* Pills */
.ooo-infobox-tabwrap .tabber__tab {
  flex: 0 0 auto;
  min-width: 3.5ch;
  white-space: nowrap;
  text-align: center;
  line-height: 1.2;
  font-weight: 700;
  font-size: 90%;
  padding: .3rem .55rem;
  text-decoration: none;

  background: var(--background-color-neutral, #f5f5f5);
  color: var(--color-base, #202122);
  border: 1px solid #a2a9b1;
  border-bottom: none;
  border-radius: 12px 12px 0 0;
}

.ooo-infobox-tabwrap .tabber__tab:hover { background: rgba(255,255,255,.06); }
.ooo-infobox-tabwrap .tabber__tab:focus {
  outline: 2px solid #cea141;
  outline-offset: 2px;
  border-radius: 12px;
}

/* Active tab (no inset line, no negative margin) */
.ooo-infobox-tabwrap .tabber__tab--active {
  cursor: default;
  background: var(--background-color-base, #ffffff);
  color: var(--color-base, #202122);
  box-shadow: none;             /* no seam */
}

/* Panels */
.ooo-infobox-tabwrap .tabber__panel {
  padding: 0;
  border: 0;
  background: transparent;
}

/* ===== Scroll mode (opt-in via .ooo-infobox-tabwrap--scroll) ===== */
.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll { position: relative; }

.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll .tabber__tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: .35rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0 .75rem;            /* room for arrows/edge fades */
  margin: 0;
  border: 0;
  background: none;
}

/* Optional edge fades (comment out if you don't want them) */
.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll::before,
.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll::after {
  content: "";
  position: absolute;
  top: -2px;
  height: 28px;                 /* approx pill height */
  width: 10px;
}
.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll::before {
  left: 0;
  background: linear-gradient(to right, var(--background-color-base, #1f1f1f), transparent);
}
.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll::after {
  right: 0;
  background: linear-gradient(to left, var(--background-color-base, #1f1f1f), transparent);
}

/* Tabs inside scroller stay fixed-size */
.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll .tabber__tab { flex: 0 0 auto; }

/* Mobile */
@media (max-width: 640px) {
  .ooo-infobox-tabwrap,
  .ooo-infobox-tabwrap--left,
  .ooo-infobox-tabwrap--none,
  .ooo-infobox-tabwrap--center {
    float: none;
    width: 100%;
    margin: 0 0 1em 0;
  }
}