/* Tools & Utilities page */

.ja-tools-page {
  padding-bottom: 4rem;
}

.ja-tools-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(900px 320px at 8% -30%, rgba(168, 31, 40, 0.10), transparent 58%),
    radial-gradient(700px 280px at 92% 120%, rgba(13, 59, 102, 0.10), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, #f7f8fa 55%, var(--ja-bg) 100%);
  border-bottom: 1px solid var(--ja-line);
  padding: 2.75rem 0 2.15rem;
  margin-bottom: 1.5rem;
}

/* Soft blueprint grid — atmospheric only, no photo weight */
.ja-tools-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(13, 59, 102, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 59, 102, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 92%);
}

/* Faint diagonal hatch / metal sheen */
.ja-tools-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
  background:
    repeating-linear-gradient(
      -32deg,
      transparent 0,
      transparent 11px,
      rgba(13, 59, 102, 0.03) 11px,
      rgba(13, 59, 102, 0.03) 12px
    );
  mask-image: radial-gradient(ellipse 80% 70% at 70% 20%, #000 0%, transparent 70%);
}

.ja-tools-hero .ja-container {
  position: relative;
  z-index: 1;
}

.ja-tools-hero__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ja-orange);
}

.ja-tools-hero__title {
  margin: 0 0 0.65rem;
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 800;
  color: var(--ja-primary);
  letter-spacing: -0.02em;
}

.ja-tools-hero__lead {
  margin: 0;
  max-width: 40rem;
  color: var(--ja-muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.ja-tools__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 0.35rem;
  background: #fff;
  border: 1px solid var(--ja-line);
  border-radius: var(--ja-radius);
  box-shadow: var(--ja-shadow);
}

.ja-tools__tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ja-text);
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s var(--ja-ease), color 0.2s;
}

.ja-tools__tab:hover {
  background: var(--ja-hover);
}

.ja-tools__tab.is-active {
  background: var(--ja-primary);
  color: #fff;
}

.ja-tools__panel {
  background: #fff;
  border: 1px solid var(--ja-line);
  border-radius: var(--ja-radius);
  box-shadow: var(--ja-shadow);
  padding: 1.5rem 1.35rem 1.75rem;
}

.ja-tools__panel-head {
  margin-bottom: 1.25rem;
}

.ja-tools__panel-head h2 {
  margin: 0 0 0.4rem;
  font-size: 1.35rem;
  color: var(--ja-primary);
}

.ja-tools__panel-head p {
  margin: 0 0 0.85rem;
  color: var(--ja-muted);
  max-width: 42rem;
}

.ja-tools__stack {
  display: grid;
  gap: 1.5rem;
}

.ja-tools__source {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--ja-muted);
}

/* Calculator */
.ja-calc__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 860px) {
  .ja-calc__grid {
    grid-template-columns: 1fr;
  }
}

.ja-calc__form {
  display: grid;
  gap: 0.85rem;
}

.ja-calc__dims {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

@media (max-width: 520px) {
  .ja-calc__dims {
    grid-template-columns: 1fr;
  }
}

.ja-calc__row {
  display: grid;
  gap: 0.35rem;
}

.ja-calc__row label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ja-primary);
}

.ja-calc__row input,
.ja-calc__row select {
  width: 100%;
  border: 1px solid var(--ja-line);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  font: inherit;
  color: var(--ja-text);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ja-calc__row input:focus,
.ja-calc__row select:focus {
  outline: none;
  border-color: var(--ja-primary);
  box-shadow: 0 0 0 3px rgba(13, 59, 102, 0.12);
}

.ja-calc__result {
  background:
    linear-gradient(165deg, rgba(13, 59, 102, 0.06), transparent 50%),
    #fff;
  border: 1px solid var(--ja-line);
  border-radius: var(--ja-radius-sm);
  padding: 1.35rem 1.25rem;
  position: sticky;
  top: 1rem;
}

.ja-calc__result-label {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ja-muted);
}

.ja-calc__result-value {
  margin: 0.35rem 0 1rem;
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--ja-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.ja-calc__meta {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.ja-calc__meta li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.92rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--ja-line);
  color: var(--ja-muted);
}

.ja-calc__meta strong {
  color: var(--ja-text);
  font-weight: 700;
}

.ja-calc__note {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--ja-muted);
  line-height: 1.45;
}

/* Tables */
.ja-tools-table-wrap {
  margin: 0 0 1.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--ja-line);
  border-radius: var(--ja-radius-sm);
}

.ja-tools-table__caption {
  margin: 0;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ja-primary);
  background: rgba(13, 59, 102, 0.05);
  border-bottom: 1px solid var(--ja-line);
}

.ja-tools-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.78rem;
  line-height: 1.35;
}

.ja-tools-table td,
.ja-tools-table th {
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid var(--ja-line);
  text-align: center;
  vertical-align: middle;
  color: var(--ja-text);
  white-space: nowrap;
}

.ja-tools-table tbody tr:first-child td,
.ja-tools-table tbody tr:nth-child(2) td {
  background: var(--ja-primary);
  color: #fff;
  font-weight: 700;
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.ja-tools-table tbody tr:nth-child(n + 3):nth-child(odd) td {
  background: #fafbfc;
}

.ja-tools-table tbody tr:nth-child(n + 3):hover td {
  background: var(--ja-hover);
}

.ja-tools-table strong {
  font-weight: 700;
}

/* Pipe chart — original readable layout */
.ja-pipe__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.ja-pipe__search {
  flex: 1 1 16rem;
  max-width: 22rem;
}

.ja-pipe__search input {
  width: 100%;
  border: 1px solid var(--ja-line);
  border-radius: 10px;
  padding: 0.6rem 0.85rem;
  font: inherit;
  font-size: 0.9rem;
  color: var(--ja-text);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ja-pipe__search input:focus {
  outline: none;
  border-color: var(--ja-primary);
  box-shadow: 0 0 0 3px rgba(13, 59, 102, 0.12);
}

.ja-pipe__hint,
.ja-pipe__empty {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ja-muted);
}

.ja-pipe__empty {
  padding: 1rem 0 0;
}

.ja-tools-table-wrap--pipe {
  max-height: 36rem;
  overflow: auto;
  border: 1px solid var(--ja-line);
  border-radius: var(--ja-radius-sm);
}

.ja-pipe-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  font-size: 0.84rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.45;
}

.ja-pipe-table thead th {
  position: sticky;
  z-index: 3;
  background: #a81f28;
  color: #fff;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.7rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  text-align: center;
  white-space: nowrap;
}

.ja-pipe-table thead tr:first-child th {
  top: 0;
}

.ja-pipe-table thead tr:nth-child(2) th {
  top: 2.35rem;
  background: #fde8ea;
  color: var(--ja-text);
  font-size: 0.72rem;
  letter-spacing: 0;
  text-transform: none;
  border-color: #f0c8cc;
}

.ja-pipe-table thead .ja-pipe-table__met {
  color: #a81f28;
}

.ja-pipe-table thead .ja-pipe-table__imp {
  color: var(--ja-text);
}

.ja-pipe-table thead .ja-pipe-table__asme {
  color: var(--ja-text);
  font-weight: 800;
}

.ja-pipe-table tbody th,
.ja-pipe-table tbody td {
  padding: 0.55rem 0.65rem;
  border: 1px solid #e4e8ea;
  vertical-align: middle;
  text-align: center;
  white-space: nowrap;
  background: #fff;
}

.ja-pipe-table tbody tr.ja-pipe-table__group--alt th,
.ja-pipe-table tbody tr.ja-pipe-table__group--alt td {
  background: #f7f8f9;
}

.ja-pipe-table tbody tr:hover th,
.ja-pipe-table tbody tr:hover td {
  background: #fff3f4;
}

.ja-pipe-table tbody th.ja-pipe-table__size {
  position: sticky;
  left: 0;
  z-index: 2;
  text-align: center;
  font-weight: 700;
  box-shadow: 1px 0 0 #e4e8ea;
}

.ja-pipe-table tbody tr.ja-pipe-table__group th.ja-pipe-table__size {
  background: #fff;
}

.ja-pipe-table tbody tr.ja-pipe-table__group--alt th.ja-pipe-table__size {
  background: #f7f8f9;
}

.ja-pipe-table tbody tr:hover th.ja-pipe-table__size {
  background: #fff3f4;
}

.ja-pipe-table__size .ja-pipe-table__imp,
.ja-pipe-table__od .ja-pipe-table__imp {
  display: block;
  font-weight: 800;
  color: var(--ja-text);
  line-height: 1.3;
}

.ja-pipe-table__size .ja-pipe-table__met,
.ja-pipe-table__od .ja-pipe-table__met {
  display: block;
  margin-top: 0.15rem;
  font-weight: 700;
  color: #a81f28;
  line-height: 1.3;
}

.ja-pipe-table td.ja-pipe-table__imp {
  color: var(--ja-text);
  font-weight: 600;
}

.ja-pipe-table td.ja-pipe-table__met {
  color: #a81f28;
  font-weight: 700;
  background-color: rgba(168, 31, 40, 0.03);
}

.ja-pipe-table tbody tr.ja-pipe-table__group--alt td.ja-pipe-table__met {
  background-color: rgba(168, 31, 40, 0.05);
}

.ja-pipe-table tbody tr:hover td.ja-pipe-table__met {
  background-color: rgba(168, 31, 40, 0.08);
}

.ja-pipe-table__sched {
  font-weight: 700;
  color: var(--ja-text);
  min-width: 2.75rem;
}

@media (max-width: 640px) {
  .ja-pipe-table {
    font-size: 0.76rem;
  }
}

[x-cloak],
.ja-tools [hidden],
.ja-calc [hidden] {
  display: none !important;
}