Template:OOOInfoBoxTabber/styles.css

/* OOO Infobox — Tabber wrapper styles
   Modes:
   - default: wrap (tight-pack flex)
   - opt-in: add class .ooo-infobox-tabwrap--scroll for horizontal scroll
*/

/* Wrapper (default right) */
.ooo-infobox-tabwrap {
  float: right;
  clear: right;
  width: 300px;                 /* keep in sync with .ooo-infobox default */
  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;                  /* both column + row gap */
  justify-content: flex-start;  /* pack left, no stretching */
  align-content: flex-start;
  align-items: flex-end;
  margin: 0 0 .25rem 0;
  width: 100%;
  box-sizing: border-box;
  border: 0;
  background: none;
}

.ooo-infobox-tabwrap .tabber__tabs::after { content: none; }

/* Pills (shared base styles) */
.ooo-infobox-tabwrap .tabber__tab {
  flex: 0 0 auto;               /* natural width; don't shrink */
  min-width: 3.5ch;             /* floor so tiny labels don't collapse */
  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;
}

/* Hover + focus */
.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 sits flush with the panel */
.ooo-infobox-tabwrap .tabber__tab--active {
  cursor: default;
  background: var(--background-color-base, #ffffff);
  color: var(--color-base, #202122);
  margin-bottom: -1px;
  box-shadow: inset 0 -1px 0 var(--background-color-base, #ffffff);
}

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

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

/* Make the tab row horizontally scrollable */
.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 edge fades / arrows */
  margin: 0 0 .25rem 0;
  border: 0;
  background: none;
}

/* Simple edge fades using overlays (TemplateStyles-safe) */
.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll::before,
.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll::after {
  content: "";
  position: absolute;
  top: -2px;                    /* align with top of pills */
  height: 28px;                 /* approximate 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 the scroller */
.ooo-infobox-tabwrap.ooo-infobox-tabwrap--scroll .tabber__tab {
  flex: 0 0 auto;               /* fixed-size items; no snapping props */
}

/* 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;
  }
}