.tool-shelf {
  margin-top: 18px;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(90deg, rgba(197, 248, 42, 0.035) 0 1px, transparent 1px 18px),
    rgba(8, 16, 14, 0.88);
  box-shadow: var(--shadow);
}

.tool-shelf__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.tool-shelf__head h3 {
  margin: 0;
  font-size: clamp(1.4rem, 2.4vw, 2.2rem);
}

.tool-shelf__head p:not(.eyebrow) {
  max-width: 820px;
  color: var(--muted);
}

.tool-shelf__head strong {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-2);
  color: var(--lime);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-shelf__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.tool-card {
  display: grid;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 32%),
    var(--panel-2);
  overflow: hidden;
}

.tool-card.is-complete {
  border-color: rgba(197, 248, 42, 0.48);
  box-shadow: inset 0 0 0 1px rgba(197, 248, 42, 0.1);
}

.tool-card.is-activated {
  animation: hard-cut 260ms steps(2, end);
}

.tool-card__topline,
.tool-card__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tool-card button {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-2);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-card button:hover,
.tool-card button:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}

.tool-card__copy h3 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.tool-card__copy p {
  color: var(--muted);
}

.tool-source-note {
  padding: 10px 12px;
  border-left: 3px solid var(--amber);
  background: rgba(245, 166, 35, 0.08);
  font-size: 0.86rem;
}

.tool-card__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.72fr);
  gap: 14px;
  align-items: stretch;
}

.tool-fields {
  display: grid;
  gap: 12px;
}

.tool-fields textarea {
  min-height: 98px;
}

.tool-visual {
  display: grid;
  min-height: 260px;
  align-content: space-between;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(78, 205, 196, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197, 248, 42, 0.05) 1px, transparent 1px),
    #030504;
  background-size: 16px 16px;
}

.tool-gauge,
.lathe-rig,
.weather-rig,
.seismo-rig,
.ritual-rig,
.beacon-rig {
  display: grid;
  place-items: center;
  gap: 10px;
  min-height: 190px;
  color: var(--muted);
  text-align: center;
}

.tool-gauge strong,
.lathe-rig strong,
.weather-rig strong,
.seismo-rig strong,
.ritual-rig strong,
.beacon-rig strong {
  color: var(--lime);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tool-artifact {
  min-height: 210px;
}

@media (max-width: 1100px) {
  .tool-shelf__head,
  .tool-shelf__grid,
  .tool-card__body {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tool-card.is-activated,
  .lathe-rig__crank,
  .weather-rig__dial,
  .seismo-rig span,
  .ritual-rig span,
  .beacon-rig span {
    animation: none !important;
  }
}