/* Shared horizontal scroll cue — left + right arrows with light shade fades */

.sls-hscroll {
  --sls-hscroll-gutter: 34px;
  --sls-hscroll-shade: rgba(255, 255, 255, 0.92);
  --sls-hscroll-shade-mid: rgba(255, 255, 255, 0.55);
  --sls-hscroll-shade-end: rgba(255, 255, 255, 0);
  position: relative;
  display: block;
  min-width: 0;
  max-width: 100%;
}

.sls-hscroll__track {
  min-width: 0;
}

/* Reserve space so arrows never cover icons/tabs */
.sls-hscroll.is-overflow .sls-hscroll__track {
  padding-inline: var(--sls-hscroll-gutter);
  scroll-padding-inline: var(--sls-hscroll-gutter);
  box-sizing: border-box;
}

/* Light shade bands behind the arrows */
.sls-hscroll.is-overflow::before,
.sls-hscroll.is-overflow::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: calc(var(--sls-hscroll-gutter) + 10px);
  z-index: 3;
  pointer-events: none;
}

.sls-hscroll.is-overflow::before {
  left: 0;
  right: auto;
  background: linear-gradient(
    to right,
    var(--sls-hscroll-shade) 0%,
    var(--sls-hscroll-shade-mid) 55%,
    var(--sls-hscroll-shade-end) 100%
  );
}

.sls-hscroll.is-overflow::after {
  right: 0;
  left: auto;
  background: linear-gradient(
    to left,
    var(--sls-hscroll-shade) 0%,
    var(--sls-hscroll-shade-mid) 55%,
    var(--sls-hscroll-shade-end) 100%
  );
}

.sls-hscroll__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  margin: 0;
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  color: #475569;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.1);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, visibility 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.sls-hscroll__btn i {
  font-size: 0.72rem;
  line-height: 1;
  transform: none !important;
}

.sls-hscroll__btn:hover:not(:disabled),
.sls-hscroll__btn:focus-visible:not(:disabled) {
  background: #fff;
  color: #0f172a;
  border-color: rgba(100, 116, 139, 0.55);
  outline: none;
}

.sls-hscroll__btn:disabled {
  opacity: 0.35;
  cursor: default;
}

/* Physical left / right — both sides when overflowing */
.sls-hscroll__btn--left {
  left: 3px;
  right: auto;
}

.sls-hscroll__btn--right {
  right: 3px;
  left: auto;
}

.sls-hscroll.is-overflow .sls-hscroll__btn--left,
.sls-hscroll.is-overflow .sls-hscroll__btn--right {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.sls-hscroll.is-overflow .sls-hscroll__btn:disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* Soft slate shade on cool/grey portal surfaces */
body.sls-portal-app .sls-hscroll {
  --sls-hscroll-shade: rgba(248, 250, 252, 0.96);
  --sls-hscroll-shade-mid: rgba(248, 250, 252, 0.55);
  --sls-hscroll-shade-end: rgba(248, 250, 252, 0);
}

html[data-portal-theme="dark"] .sls-hscroll {
  --sls-hscroll-shade: rgba(15, 23, 42, 0.94);
  --sls-hscroll-shade-mid: rgba(15, 23, 42, 0.5);
  --sls-hscroll-shade-end: rgba(15, 23, 42, 0);
}

html[data-portal-theme="dark"] .sls-hscroll__btn {
  background: rgba(30, 41, 59, 0.95);
  border-color: rgba(148, 163, 184, 0.35);
  color: #e2e8f0;
}

html[data-portal-theme="dark"] .sls-hscroll__btn:hover:not(:disabled),
html[data-portal-theme="dark"] .sls-hscroll__btn:focus-visible:not(:disabled) {
  background: #1e293b;
  color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  .sls-hscroll__btn {
    transition: none;
  }
}