/* Series Navigation
   < Vorig | Overzicht | Volgend >
   Used on: book chapters, devotionals, series articles */

.series-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  margin-top: var(--space-8);
  position: relative;
}

/* Full-viewport-width hairline above the nav */
.series-nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 1px;
  background: var(--hairline);
}

/* ── Prev / Next links ── */

.series-nav__prev,
.series-nav__next {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text);
  transition: background var(--duration-fast) var(--ease-default),
              color var(--duration-fast) var(--ease-default),
              transform var(--duration-fast) var(--ease-default);
  min-width: 0;
}

.series-nav__prev {
  justify-self: start;
}

.series-nav__next {
  justify-self: end;
  text-align: right;
}

.series-nav__prev:hover,
.series-nav__next:hover {
  background: rgba(92, 85, 73, 0.06);
  color: var(--heading);
  transform: translateY(-1px);
}

/* Arrow icons */
.series-nav__prev svg,
.series-nav__next svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--duration-fast) var(--ease-default);
}

.series-nav__prev:hover svg {
  transform: translateX(-2px);
}

.series-nav__next:hover svg {
  transform: translateX(2px);
}

/* Text block */
.series-nav__prev > span,
.series-nav__next > span {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

/* Label (Vorig / Volgend / Gisteren / Morgen) */
.series-nav__label {
  font-size: var(--text-xs);
  color: var(--meta);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  line-height: 1;
}

/* Title */
.series-nav__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--heading);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 22ch;
}

/* ── Overview pill ── */

.series-nav__overview {
  justify-self: center;
  white-space: nowrap;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--meta);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-default),
              border-color var(--duration-fast) var(--ease-default),
              color var(--duration-fast) var(--ease-default);
}

.series-nav__overview:hover {
  background: rgba(92, 85, 73, 0.06);
  border-color: var(--text);
  color: var(--heading);
}

/* ── Disabled (first / last in series) ── */

.series-nav__prev--disabled,
.series-nav__next--disabled {
  opacity: 0.25;
  pointer-events: none;
  cursor: default;
}

/* ── Responsive ── */

@media (max-width: 767px) {
  .series-nav {
    padding: var(--space-4) 0;
    gap: var(--space-2);
  }

  .series-nav__prev,
  .series-nav__next {
    padding: var(--space-2) var(--space-3);
  }

  .series-nav__title {
    display: none;
  }

  .series-nav__label {
    font-size: 0.6rem;
  }

  .series-nav__overview {
    padding: var(--space-2) var(--space-3);
    font-size: 0.6rem;
  }
}