/* PAGE DESIGN ROLL — Crop Spine (catalog)
   Layout: tabbed crop spine + one preview panel at a time
   Cards: outlined field-guide sample rows
   Dividers: hairline with sprout icon
   Motion: progress-draw on A–Z active
   Signature: crop spine tabs swap a 6-pack sample per group
   Family: Trellis Span · not shop Filter Trench · A113 field index · A110 germ tray · packet mosaic
 */

/* ── Page shell ─────────────────────────────────────────────── */
.page-a114-spine {
  background:
    linear-gradient(180deg, var(--bf-pith) 0%, var(--bf-wash) 18rem, var(--bf-wash) 100%);
}

.page-a114-spine .il-main {
  padding-top: clamp(0.65rem, 2vw, 1.1rem);
  padding-bottom: clamp(2.4rem, 6vw, 4rem);
}

.page-a114-spine .il-shell {
  display: grid;
  gap: 1rem;
  margin-top: 0.25rem;
}

.page-a114-spine .il-stage {
  min-width: 0;
}

.page-a114-spine .pg-mast {
  margin-bottom: 0.25rem;
}

.page-a114-spine .pg-mast h1 {
  font-size: clamp(1.65rem, 4.2vw, 2.45rem);
  margin-bottom: 0.45rem;
}

.page-a114-spine .pg-mast-lede {
  max-width: 58ch;
  font-size: 0.96rem;
  line-height: 1.55;
}

/* ── Search (field-guide panel) ─────────────────────────────── */
.page-a114-spine .il-find {
  display: grid;
  gap: 0.55rem;
  margin: 0.85rem 0 1rem;
  padding: clamp(0.85rem, 2.2vw, 1.05rem);
  background: var(--bf-paper);
  border: 1px solid var(--bf-line);
  border-radius: var(--bf-radius-sm);
  box-shadow: 0 4px 14px rgba(14, 44, 30, 0.06);
}

.page-a114-spine .il-find input {
  min-height: 44px;
  border-color: rgba(24, 74, 50, 0.22);
  background: var(--bf-wash);
}

.page-a114-spine .il-find .a114-btn {
  min-height: 44px;
  width: 100%;
}

@media (min-width: 520px) {
  .page-a114-spine .il-find {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-a114-spine .il-find .a114-btn {
    width: auto;
  }
}

/* ── A–Z midrib hop ─────────────────────────────────────────── */
.page-a114-spine .il-az {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.2rem;
  overflow-x: auto;
  margin: 0 0 0.85rem;
  padding: 0.45rem 0.35rem 0.55rem;
  border-radius: var(--bf-radius-sm);
  background: var(--bf-kraft);
  border: 1px solid rgba(24, 74, 50, 0.14);
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.page-a114-spine .il-az a {
  position: relative;
  flex: 0 0 auto;
  scroll-snap-align: center;
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--bf-radius-sm);
  text-decoration: none;
  font-family: var(--bf-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--bf-forest);
  background: transparent;
  transition: background 180ms var(--bf-ease), color 180ms var(--bf-ease);
}

.page-a114-spine .il-az a::after {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: 6px;
  height: 2px;
  border-radius: var(--bf-pill);
  background: linear-gradient(90deg, var(--bf-sap), var(--bf-wheat));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 240ms var(--bf-ease);
}

.page-a114-spine .il-az a.is-live {
  color: var(--bf-ink);
  background: rgba(255, 251, 240, 0.72);
}

.page-a114-spine .il-az a.is-live::after {
  transform: scaleX(0.35);
}

.page-a114-spine .il-az a.is-live:focus-visible::after,
.page-a114-spine .il-az a.is-live:active::after {
  transform: scaleX(1);
}

.page-a114-spine .il-az a.is-dim {
  opacity: 0.32;
  pointer-events: none;
}

.page-a114-spine .il-az a:focus-visible {
  outline: 2px solid var(--bf-wheat);
  outline-offset: 2px;
}

/* :target letter sync — progress draw on matching hop */
.page-a114-spine:has(#letter-A:target) .il-az a[href$="#letter-A"]::after,
.page-a114-spine:has(#letter-B:target) .il-az a[href$="#letter-B"]::after,
.page-a114-spine:has(#letter-C:target) .il-az a[href$="#letter-C"]::after,
.page-a114-spine:has(#letter-D:target) .il-az a[href$="#letter-D"]::after,
.page-a114-spine:has(#letter-E:target) .il-az a[href$="#letter-E"]::after,
.page-a114-spine:has(#letter-F:target) .il-az a[href$="#letter-F"]::after,
.page-a114-spine:has(#letter-G:target) .il-az a[href$="#letter-G"]::after,
.page-a114-spine:has(#letter-H:target) .il-az a[href$="#letter-H"]::after,
.page-a114-spine:has(#letter-I:target) .il-az a[href$="#letter-I"]::after,
.page-a114-spine:has(#letter-J:target) .il-az a[href$="#letter-J"]::after,
.page-a114-spine:has(#letter-K:target) .il-az a[href$="#letter-K"]::after,
.page-a114-spine:has(#letter-L:target) .il-az a[href$="#letter-L"]::after,
.page-a114-spine:has(#letter-M:target) .il-az a[href$="#letter-M"]::after,
.page-a114-spine:has(#letter-N:target) .il-az a[href$="#letter-N"]::after,
.page-a114-spine:has(#letter-O:target) .il-az a[href$="#letter-O"]::after,
.page-a114-spine:has(#letter-P:target) .il-az a[href$="#letter-P"]::after,
.page-a114-spine:has(#letter-Q:target) .il-az a[href$="#letter-Q"]::after,
.page-a114-spine:has(#letter-R:target) .il-az a[href$="#letter-R"]::after,
.page-a114-spine:has(#letter-S:target) .il-az a[href$="#letter-S"]::after,
.page-a114-spine:has(#letter-T:target) .il-az a[href$="#letter-T"]::after,
.page-a114-spine:has(#letter-U:target) .il-az a[href$="#letter-U"]::after,
.page-a114-spine:has(#letter-V:target) .il-az a[href$="#letter-V"]::after,
.page-a114-spine:has(#letter-W:target) .il-az a[href$="#letter-W"]::after,
.page-a114-spine:has(#letter-X:target) .il-az a[href$="#letter-X"]::after,
.page-a114-spine:has(#letter-Y:target) .il-az a[href$="#letter-Y"]::after,
.page-a114-spine:has(#letter-Z:target) .il-az a[href$="#letter-Z"]::after {
  transform: scaleX(1);
}

/* ── Crop spine (category tabs) ─────────────────────────────── */
.page-a114-spine .il-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  overflow-x: auto;
  margin: 0 0 1.1rem;
  padding: 0.35rem 0.15rem 0.5rem;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.page-a114-spine .il-tab {
  position: relative;
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-height: 44px;
  padding: 0.48rem 0.85rem;
  border: 1px solid rgba(24, 74, 50, 0.16);
  border-radius: var(--bf-radius-sm);
  background: var(--bf-paper);
  color: var(--bf-ink);
  text-decoration: none;
  font-family: var(--bf-display);
  font-weight: 700;
  font-size: 0.82rem;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(14, 44, 30, 0.05);
  transition: background 180ms var(--bf-ease), border-color 180ms var(--bf-ease), color 180ms var(--bf-ease);
}

.page-a114-spine .il-tab em {
  font-style: normal;
  margin-left: 0.25rem;
  padding: 0.08rem 0.38rem;
  border-radius: var(--bf-pill);
  background: var(--bf-pith);
  color: var(--bf-forest);
  font-size: 0.74rem;
  font-weight: 700;
}

.page-a114-spine .il-tab:focus-visible {
  outline: 2px solid var(--bf-wheat);
  outline-offset: 2px;
}

.page-a114-spine .il-tab:hover,
.page-a114-spine .il-tab:focus-visible {
  border-color: var(--bf-sap);
  background: rgba(255, 243, 194, 0.55);
}

.page-a114-spine .il-tab.is-active {
  border-color: var(--bf-forest);
  background: var(--bf-pith);
  box-shadow: inset 3px 0 0 var(--bf-wheat);
}

.page-a114-spine .il-tab[aria-selected="true"] em {
  background: var(--bf-wheat);
  color: var(--bf-ink);
}

/* ── Aisle sections (index map) ─────────────────────────────── */
.page-a114-spine .il-aisle {
  position: relative;
  margin-bottom: clamp(1.6rem, 4vw, 2.4rem);
  scroll-margin-top: calc(var(--bf-nav-h, 92px) + 4.5rem);
}

.page-a114-spine .il-aisle::before {
  content: "";
  display: block;
  height: 1.65rem;
  margin-bottom: 0.95rem;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%232FA36B'%3E%3Cpath d='M12 3c-2.5 4-5 3.5-4.5 0 .9 1.4 2.2 2.3 4.5 4.5 2.3-2.2 3.6-3.1 4.5-4.5.5 3.5-2 4-4.5 0Z'/%3E%3Cpath d='M12 22V10' stroke='%23184A32' stroke-width='1.5' stroke-linecap='round' fill='none'/%3E%3C/svg%3E")
      center center / 18px 18px no-repeat,
    linear-gradient(var(--bf-line), var(--bf-line)) left center / calc(50% - 14px) 1px no-repeat,
    linear-gradient(var(--bf-line), var(--bf-line)) right center / calc(50% - 14px) 1px no-repeat;
}

.page-a114-spine .il-aisle:first-of-type::before {
  display: none;
}

.page-a114-spine .il-aisle:target {
  animation: il-aisle-in 420ms var(--bf-ease);
}

@keyframes il-aisle-in {
  from { background: rgba(47, 163, 107, 0.08); }
  to { background: transparent; }
}

.page-a114-spine .il-aisle header {
  display: grid;
  gap: 0.35rem 0.75rem;
  align-items: start;
  margin-bottom: 0.75rem;
  padding: 0.65rem 0.75rem 0.65rem 0.85rem;
  border: 1px solid var(--bf-line);
  border-left: 4px solid var(--bf-forest);
  border-radius: var(--bf-radius-sm);
  background: var(--bf-paper);
}

.page-a114-spine .il-aisle:target header {
  border-left-color: var(--bf-wheat);
  box-shadow: 0 4px 16px rgba(201, 146, 18, 0.12);
}

.page-a114-spine .il-aisle h2 {
  margin: 0;
  font-size: clamp(1.05rem, 2.6vw, 1.28rem);
  color: var(--bf-forest);
}

.page-a114-spine .il-aisle header p {
  margin: 0;
  color: var(--bf-mute);
  font-size: 0.88rem;
}

.page-a114-spine .il-aisle header .a114-btn {
  justify-self: start;
  min-height: 44px;
  margin-top: 0.15rem;
}

/* Field-guide index rows (not shop grid) */
.page-a114-spine .il-aisle ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(24, 74, 50, 0.18);
  border-radius: var(--bf-radius-sm);
  background: var(--bf-paper);
  overflow: hidden;
}

.page-a114-spine .il-aisle li {
  scroll-margin-top: calc(var(--bf-nav-h, 92px) + 5rem);
}

.page-a114-spine .il-aisle li:target {
  background: rgba(255, 243, 194, 0.35);
}

.page-a114-spine .il-aisle li a {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 0.65rem;
  align-items: center;
  min-height: 44px;
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid var(--bf-line);
  border-left: 3px solid transparent;
  color: var(--bf-ink);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.35;
  transition: background 160ms var(--bf-ease), border-color 160ms var(--bf-ease);
}

.page-a114-spine .il-aisle li:last-child a {
  border-bottom: 0;
}

.page-a114-spine .il-aisle li a:hover,
.page-a114-spine .il-aisle li a:focus-visible {
  background: rgba(255, 243, 194, 0.42);
  border-left-color: var(--bf-sap);
}

.page-a114-spine .il-aisle li a:focus-visible {
  outline: 2px solid var(--bf-wheat);
  outline-offset: -2px;
}

.page-a114-spine .il-aisle img {
  width: 44px;
  height: 44px;
  border-radius: 0.35rem;
  object-fit: cover;
  border: 1px solid rgba(24, 74, 50, 0.12);
  background: var(--bf-wash);
}

.page-a114-spine .il-aisle li a > span {
  font-weight: 600;
}

.page-a114-spine .il-aisle em {
  font-style: normal;
  font-family: var(--bf-display);
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--bf-forest);
  white-space: nowrap;
}

.page-a114-spine .il-more {
  margin: 0.85rem 0 0;
  text-align: center;
}

.page-a114-spine .il-more .a114-btn {
  min-height: 44px;
}

.page-a114-spine .il-foot {
  display: grid;
  gap: 0.85rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
  padding: clamp(1rem, 2.4vw, 1.25rem);
  border: 1px solid var(--bf-line);
  border-radius: var(--bf-radius);
  background: var(--bf-paper);
  box-shadow: var(--bf-shadow);
}

.page-a114-spine .il-foot p {
  margin: 0.35rem 0 0;
  color: var(--bf-mute);
  font-size: 0.92rem;
  max-width: 52ch;
}

@media (min-width: 640px) {
  .page-a114-spine .il-foot {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* ── Desktop: crop spine tabs + single preview panel ────────── */
@media (min-width: 900px) {
  .page-a114-spine .il-az {
    flex-wrap: wrap;
    overflow: visible;
    justify-content: center;
  }

  .page-a114-spine .il-shell {
    grid-template-columns: minmax(11.5rem, 15rem) minmax(0, 1fr);
    align-items: start;
    gap: clamp(1rem, 2.5vw, 1.6rem);
  }

  .page-a114-spine .il-tabs {
    position: relative;
    isolation: isolate;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    width: auto;
    max-height: none;
    margin: 0;
    padding: 0.55rem 0.45rem;
    overflow: visible;
    border: 1px solid rgba(24, 74, 50, 0.14);
    border-radius: var(--bf-radius-sm);
    background: linear-gradient(180deg, var(--bf-kraft) 0%, var(--bf-paper) 100%);
    box-shadow: var(--bf-shadow);
    scroll-snap-type: none;
  }

  .page-a114-spine .il-tabs::before {
    content: "Crop spine";
    display: block;
    margin-bottom: 0.35rem;
    padding: 0 0.15rem 0.35rem;
    font-family: var(--bf-display);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--bf-mute);
    border-bottom: 1px solid var(--bf-line);
  }

  .page-a114-spine .il-tabs::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    border-radius: var(--bf-radius-sm) 0 0 var(--bf-radius-sm);
    background: linear-gradient(180deg, var(--bf-sap), var(--bf-wheat));
    transform-origin: top center;
    transform: scaleY(0);
    pointer-events: none;
  }

  .page-a114-spine .il-tab {
    white-space: normal;
    text-align: left;
    padding: 0.55rem 0.65rem;
    border-radius: 0.45rem;
  }

  .page-a114-spine .il-tab em {
    display: inline-block;
    margin-left: 0;
    margin-top: 0.2rem;
  }

  .page-a114-spine .il-aisle header {
    position: relative;
    top: auto;
    z-index: auto;
    grid-template-columns: 1fr auto;
  }

  .page-a114-spine .il-aisle header p {
    grid-column: 1;
  }

  .page-a114-spine .il-aisle header .a114-btn {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
  }

  .page-a114-spine .il-aisle li a {
    grid-template-columns: 52px 1fr auto;
    min-height: 52px;
    padding: 0.55rem 0.85rem;
  }

  .page-a114-spine .il-aisle img {
    width: 52px;
    height: 52px;
  }
}

/* Scroll-driven spine fill (progressive) */
@supports (animation-timeline: scroll()) {
  html:has(.page-a114-spine) {
    scroll-timeline: --il-catalog block;
  }

  @media (min-width: 900px) {
    .page-a114-spine .il-tabs::after {
      animation: il-spine-track linear both;
      animation-timeline: --il-catalog;
      animation-range: 0% 100%;
    }
  }
}

@keyframes il-spine-track {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

/* ── Reduced motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .page-a114-spine .il-az {
    scroll-snap-type: none;
  }

  .page-a114-spine .il-tabs {
    scroll-snap-type: none;
  }

  .page-a114-spine .il-az a,
  .page-a114-spine .il-az a::after,
  .page-a114-spine .il-tab,
  .page-a114-spine .il-aisle li a {
    transition: none;
  }

  .page-a114-spine .il-aisle:target {
    animation: none;
  }

  .page-a114-spine .il-tabs::after {
    animation: none;
    transform: scaleY(1);
    opacity: 0.45;
  }
}