:root {
  --syc-rail-navy: #123867;
  --syc-rail-navy-deep: #071b34;
  --syc-rail-orange: #ff9800;
  --syc-rail-orange-soft: #fff2dc;
  --syc-rail-bg: #ffffff;
  --syc-rail-text: #10233f;
  --syc-rail-muted: #627086;
  --syc-rail-line: rgba(18, 56, 103, 0.14);
  --syc-rail-shadow: 0 22px 55px rgba(7, 27, 52, 0.16);
}

.syc-reading-rail,
.syc-reading-rail *,
.syc-reading-mobile-next,
.syc-reading-mobile-next * {
  box-sizing: border-box;
}

.syc-reading-rail {
  position: fixed;
  right: clamp(12px, 1.8vw, 30px);
  top: 50%;
  transform: translateY(-50%);
  width: min(340px, calc(100vw - 28px));
  z-index: 8888;
  font-family: inherit;
  pointer-events: none;
}

body.admin-bar .syc-reading-rail {
  top: calc(50% + 16px);
}

.syc-reading-rail__card {
  position: relative;
  overflow: hidden;
  pointer-events: auto;
  border: 1px solid rgba(18, 56, 103, 0.12);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.995), rgba(248, 251, 255, 0.995));
  box-shadow: var(--syc-rail-shadow);
  color: var(--syc-rail-text);
}

.syc-reading-rail__topline {
  height: 5px;
  background: linear-gradient(90deg, var(--syc-rail-navy), var(--syc-rail-orange));
}

.syc-reading-rail__eyebrow {
  margin: 18px 18px 5px;
  color: var(--syc-rail-orange);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.syc-reading-rail__title {
  margin: 0 18px 14px;
  color: var(--syc-rail-navy);
  font-size: 22px;
  font-weight: 850;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.syc-reading-rail__current {
  margin: 0 16px 14px;
  padding: 14px 15px;
  border: 1px solid rgba(255, 152, 0, 0.32);
  border-radius: 18px;
  background: linear-gradient(135deg, var(--syc-rail-orange-soft), #fff);
}

.syc-reading-rail__label,
.syc-reading-rail__section-title {
  display: block;
  color: var(--syc-rail-muted);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.syc-reading-rail__current-title {
  display: -webkit-box;
  margin-top: 6px;
  overflow: hidden;
  color: var(--syc-rail-navy-deep);
  font-size: 14px;
  font-weight: 850;
  line-height: 1.32;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

.syc-reading-rail__section-title {
  margin: 0 18px 8px;
}

.syc-reading-rail__list {
  margin: 0 14px 16px;
  padding: 0;
  list-style: none;
  counter-reset: sycRailItem;
  max-height: min(48vh, 430px);
  overflow: auto;
  scrollbar-width: thin;
}

.syc-reading-rail__item {
  counter-increment: sycRailItem;
  margin: 0;
}

.syc-reading-rail__link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 8px 10px;
  border-radius: 15px;
  color: var(--syc-rail-text);
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease, color 180ms ease;
}

.syc-reading-rail__link::before {
  content: counter(sycRailItem, decimal-leading-zero);
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: #f0f4f9;
  color: var(--syc-rail-navy);
  font-size: 11px;
  font-weight: 850;
}

.syc-reading-rail__link span {
  display: -webkit-box;
  overflow: hidden;
  color: inherit;
  font-size: 13px;
  font-weight: 760;
  line-height: 1.32;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.syc-reading-rail__link:hover,
.syc-reading-rail__link:focus-visible {
  outline: none;
  background: rgba(18, 56, 103, 0.06);
  color: var(--syc-rail-navy);
  transform: translateX(-2px);
}

.syc-reading-rail__button,
.syc-reading-mobile-next {
  appearance: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}

.syc-reading-rail__button {
  display: flex;
  justify-content: center;
  align-items: center;
  width: calc(100% - 32px);
  min-height: 46px;
  margin: 0 16px 16px;
  padding: 12px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--syc-rail-orange), #ffb33b);
  color: #fff;
  font-size: 14px;
  font-weight: 850;
  line-height: 1;
  box-shadow: 0 12px 28px rgba(255, 152, 0, 0.26);
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.syc-reading-rail__button:hover,
.syc-reading-rail__button:focus-visible {
  outline: none;
  filter: saturate(1.05);
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(255, 152, 0, 0.32);
}

.syc-reading-rail__button:disabled {
  cursor: default;
  opacity: 0.58;
  transform: none;
}

.syc-reading-mobile-next {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 8888;
  display: none;
  align-items: center;
  gap: 9px;
  max-width: calc(100vw - 28px);
  padding: 12px 15px 12px 17px;
  border-radius: 999px;
  background: var(--syc-rail-navy);
  color: #fff;
  font-size: 13px;
  font-weight: 850;
  box-shadow: 0 14px 34px rgba(7, 27, 52, 0.22);
}

.syc-reading-mobile-next svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

body.admin-bar .syc-reading-mobile-next {
  bottom: 18px;
}

.syc-reading-highlight {
  outline: 3px solid rgba(255, 152, 0, 0.36) !important;
  outline-offset: 8px !important;
  transition: outline-color 240ms ease;
}

@media (max-width: 1480px) {
  .syc-reading-rail {
    width: 304px;
    right: 12px;
  }

  .syc-reading-rail__title {
    font-size: 20px;
  }

  .syc-reading-rail__link span {
    font-size: 12.5px;
  }
}

@media (max-width: 1240px) {
  .syc-reading-rail {
    display: none;
  }

  .syc-reading-mobile-next {
    display: inline-flex;
  }
}