.gouge-lab-page {
  --lab-panel: rgba(45, 30, 23, 0.94);
  --lab-panel-soft: rgba(94, 63, 43, 0.86);
  --lab-ink: #f7eee3;
  --lab-brass: #d9ab70;
  --lab-copper: #a85e37;
  --lab-wood-shadow: rgba(56, 27, 13, 0.18);
  display: grid;
  gap: 2.5rem;
}

.interactive-feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.interactive-feature-grid-single {
  grid-template-columns: minmax(0, 1fr);
}

.interactive-feature-card {
  min-height: 220px;
}

.gouge-lab-hero {
  position: relative;
  align-items: start;
}

.gouge-lab-hero::before {
  position: absolute;
  inset: -1.5rem auto auto 1rem;
  width: 14rem;
  height: 14rem;
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle, rgba(217, 171, 112, 0.25), rgba(217, 171, 112, 0));
  filter: blur(12px);
  pointer-events: none;
}

.gouge-lab-hero .page-hero-copy {
  display: grid;
  gap: 1.35rem;
}

.gouge-hero-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.gouge-hero-step,
.gouge-overview-card {
  display: grid;
  gap: 0.55rem;
  padding: 1.1rem 1.15rem;
  border-radius: 24px;
  border: 1px solid rgba(95, 45, 23, 0.1);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.62), transparent 30%),
    linear-gradient(180deg, rgba(255, 251, 247, 0.96), rgba(239, 225, 209, 0.88));
  box-shadow: 0 20px 42px rgba(81, 45, 21, 0.08);
}

.gouge-hero-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(217, 171, 112, 0.94), rgba(168, 94, 55, 0.96));
  color: #fff8f1;
  font-family: "Fraunces", serif;
  font-weight: 700;
}

.gouge-hero-step strong,
.gouge-overview-card strong {
  font-family: "Fraunces", serif;
  font-size: 1.05rem;
  line-height: 1.25;
}

.gouge-hero-step p,
.gouge-overview-card p:last-child {
  margin: 0;
}

.gouge-lab-hero-panel {
  align-self: stretch;
  display: grid;
  gap: 1rem;
  background:
    radial-gradient(circle at top right, rgba(255,255,255,0.62), transparent 28%),
    linear-gradient(180deg, rgba(255, 251, 246, 0.97), rgba(236, 219, 201, 0.94));
}

.gouge-hero-panel-notes {
  display: grid;
  gap: 0.8rem;
  padding-top: 0.25rem;
}

.gouge-hero-panel-notes div {
  display: grid;
  gap: 0.2rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.44);
  border: 1px solid rgba(95, 45, 23, 0.08);
}

.gouge-hero-panel-notes span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.gouge-hero-panel-notes strong {
  font-family: "Fraunces", serif;
  line-height: 1.25;
}

.gouge-lab-banner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1.2rem 1.35rem;
  border-radius: 28px;
  border: 1px solid rgba(95, 45, 23, 0.12);
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.52), transparent 22%),
    linear-gradient(135deg, rgba(63, 40, 28, 0.96), rgba(120, 76, 47, 0.98) 58%, rgba(191, 126, 74, 0.92));
  color: #fff3e5;
  box-shadow: 0 22px 42px rgba(57, 28, 12, 0.18);
}

.gouge-lab-banner strong {
  display: block;
  margin-top: 0.25rem;
  font-family: "Fraunces", serif;
  font-size: 1.2rem;
  line-height: 1.2;
}

.gouge-lab-banner-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem;
}

.gouge-lab-banner-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.1);
  color: #fff0df;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.gouge-lab-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.gouge-lab-shell {
  grid-template-columns: minmax(320px, 0.35fr) minmax(0, 0.65fr);
  align-items: start;
}

.gouge-lab-console,
.gouge-lab-stage,
.grind-profile-card,
.grind-notes-card {
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.7), transparent 34%),
    linear-gradient(180deg, rgba(255, 252, 248, 0.98), rgba(236, 222, 206, 0.86)),
    var(--surface);
}

.gouge-lab-console {
  display: grid;
  gap: 1rem;
  position: sticky;
  top: 7rem;
  color: var(--lab-ink);
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.08), transparent 18%),
    linear-gradient(180deg, var(--lab-panel), rgba(68, 43, 31, 0.98));
  border-color: rgba(86, 55, 35, 0.56);
  box-shadow:
    0 28px 60px rgba(52, 26, 14, 0.24),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.gouge-console-intro {
  display: grid;
  gap: 0.45rem;
  padding: 0.15rem 0.1rem 0.95rem;
  border-bottom: 1px solid rgba(215, 166, 106, 0.18);
}

.gouge-console-intro h3,
.gouge-console-intro p:last-child {
  margin: 0;
}

.gouge-console-intro p:last-child,
.gouge-control-heading p:last-child,
.gouge-helper-copy,
.gouge-lab-console .card-label {
  color: rgba(248, 239, 228, 0.76);
}

.gouge-control-heading {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
}

.gouge-control-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  min-width: 2.4rem;
  height: 2.4rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.08);
  color: var(--lab-brass);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.gouge-control-heading p {
  margin: 0;
}

.gouge-lab-control-block {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
  border-radius: 24px;
  border: 1px solid rgba(215, 166, 106, 0.14);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02)),
    rgba(255,255,255,0.02);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.gouge-family-list,
.gouge-preset-list,
.gouge-profile-list {
  display: grid;
  gap: 0.65rem;
}

.gouge-choice,
.gouge-preset,
.gouge-grind-tab,
.gouge-profile {
  border: 1px solid rgba(215, 166, 106, 0.18);
  border-radius: 20px;
  padding: 0.9rem 1rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  color: rgba(248, 239, 228, 0.88);
  font: inherit;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.gouge-choice:hover,
.gouge-preset:hover,
.gouge-grind-tab:hover,
.gouge-profile:hover,
.gouge-choice:focus-visible,
.gouge-preset:focus-visible,
.gouge-grind-tab:focus-visible,
.gouge-profile:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: rgba(215, 166, 106, 0.38);
}

.gouge-choice.is-active,
.gouge-preset.is-active,
.gouge-grind-tab.is-active,
.gouge-profile.is-active {
  background: linear-gradient(135deg, rgba(219, 170, 107, 0.94), rgba(167, 94, 53, 0.92));
  color: #fff8f1;
  box-shadow: 0 14px 24px rgba(29, 16, 10, 0.28);
}

.gouge-range-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  font-weight: 700;
}

.gouge-range-label strong {
  font-family: "Fraunces", serif;
  font-size: 1.2rem;
  color: var(--lab-brass);
}

#gouge-rotation {
  width: 100%;
  accent-color: var(--lab-brass);
}

.gouge-helper-copy {
  margin: 0;
  line-height: 1.6;
}

.gouge-toggle-grid {
  display: grid;
  gap: 0.7rem;
}

.gouge-toggle-grid label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: rgba(248, 239, 228, 0.82);
  font-weight: 600;
}

.gouge-toggle-grid input {
  accent-color: var(--lab-brass);
}

.gouge-console-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.gouge-console-action,
.gouge-console-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.8rem 1rem;
  border-radius: 18px;
  border: 1px solid rgba(215, 166, 106, 0.22);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  color: #fff4e6;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.gouge-console-action:hover,
.gouge-console-action:focus-visible,
.gouge-console-link:hover,
.gouge-console-link:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: rgba(215, 166, 106, 0.4);
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.05));
}

.gouge-stage-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid rgba(95, 45, 23, 0.12);
}

.gouge-stage-head h3 {
  margin: 0.2rem 0 0;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

.gouge-stage-subcopy {
  margin: 0.45rem 0 0;
  color: var(--muted);
  max-width: 36ch;
}

.gouge-stage-meta {
  display: grid;
  gap: 0.7rem;
  justify-items: end;
}

#gouge-angle-label {
  margin: 0;
  color: var(--muted);
  text-align: right;
}

.gouge-status-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
}

.gouge-status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(95, 45, 23, 0.1);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.7), rgba(244,231,217,0.8));
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.gouge-stage-wrap {
  position: relative;
  aspect-ratio: 23 / 14;
  margin-top: 0.8rem;
  border-radius: 30px;
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 18%, rgba(255, 255, 255, 0.34), transparent 22%),
    radial-gradient(circle at 80% 12%, rgba(228, 216, 205, 0.18), transparent 24%),
    linear-gradient(180deg, rgba(246, 242, 238, 0.98), rgba(219, 211, 203, 0.96));
  border: 1px solid rgba(96, 82, 71, 0.14);
  touch-action: none;
  user-select: none;
  cursor: grab;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.48),
    inset 0 -40px 80px rgba(53, 42, 33, 0.08),
    0 24px 54px rgba(66, 52, 42, 0.12),
    0 0 0 1px rgba(255, 255, 255, 0.12);
}

.gouge-stage-wrap.is-dragging {
  cursor: grabbing;
}

.gouge-stage-svg {
  display: block;
  width: 100%;
  height: 100%;
  filter: contrast(1.01);
  shape-rendering: geometricPrecision;
}

#gouge-handle-fiber-overlay {
  mix-blend-mode: multiply;
}

#gouge-handle-light-sweep,
#gouge-shaft-specular {
  mix-blend-mode: screen;
}

#gouge-shaft-microtexture {
  mix-blend-mode: soft-light;
}

.gouge-stage-wrap::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(135deg, rgba(255,255,255,0.12), transparent 28%),
    linear-gradient(180deg, rgba(78,48,28,0), rgba(78,48,28,0.06));
}

.gouge-stage-wrap::before {
  position: absolute;
  inset: 16px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.18);
  pointer-events: none;
  content: "";
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.16);
}

.gouge-callout-line {
  fill: none;
  stroke: rgba(92, 82, 74, 0.62);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 4 8;
}

.gouge-callout-text {
  fill: rgba(82, 72, 64, 0.92);
  font-family: "Manrope", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.015em;
  text-transform: none;
}

#gouge-callouts {
  filter: drop-shadow(0 1px 0 rgba(255, 255, 255, 0.18));
}

.gouge-stage-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(95, 45, 23, 0.08);
}

.gouge-drag-note {
  margin: 0;
  color: var(--muted);
  max-width: 34ch;
}

.gouge-legend-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem;
}

.gouge-legend-row span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.gouge-legend-row i {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(219,170,107,0.86), rgba(150,88,48,0.9));
  box-shadow: 0 0 0 4px rgba(215,166,106,0.1);
}

.gouge-lab-detail-grid,
.gouge-reading-grid {
  margin-top: 0;
}

.gouge-utility-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.gouge-bullet-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding-left: 1.1rem;
}

.gouge-bullet-list li {
  margin: 0;
}

.flute-profile-card {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

#flute-profile-svg {
  width: 100%;
  max-width: 220px;
  height: auto;
  padding: 0.4rem;
  border-radius: 24px;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.66), transparent 26%),
    linear-gradient(180deg, rgba(247,238,228,0.94), rgba(223,204,185,0.78));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.42),
    0 18px 30px rgba(83, 47, 22, 0.08);
}

#flute-profile-outline {
  fill: rgba(76, 67, 59, 0.9);
  stroke: rgba(26, 19, 15, 0.36);
  stroke-width: 3;
}

#flute-profile-interior {
  fill: rgba(255, 248, 239, 0.24);
}

#flute-profile-edge {
  fill: none;
  stroke: rgba(255, 224, 189, 0.88);
  stroke-width: 5;
}

.gouge-reading-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.gouge-grind-section {
  gap: 1.2rem;
}

.gouge-grind-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.gouge-grind-compare {
  display: grid;
  grid-template-columns: minmax(0, 0.52fr) minmax(0, 0.48fr);
  gap: 1rem;
}

.grind-profile-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.grind-profile-head h3,
#grind-angle,
#grind-copy-body {
  margin: 0;
}

#grind-angle {
  color: var(--muted);
  font-weight: 700;
}

#grind-profile-svg {
  width: 100%;
  height: auto;
  padding: 0.65rem 0.35rem;
  border-radius: 24px;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.58), transparent 28%),
    linear-gradient(180deg, rgba(248,241,232,0.94), rgba(224,208,189,0.72));
}

#grind-profile-outline {
  fill: rgba(78, 56, 42, 0.9);
  stroke: rgba(26, 19, 15, 0.35);
  stroke-width: 3;
}

#grind-profile-bevel {
  fill: rgba(255, 208, 158, 0.76);
}

#grind-profile-flute {
  fill: rgba(249, 244, 236, 0.25);
}

.gouge-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.gouge-chip-row span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  background: rgba(95, 45, 23, 0.08);
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 700;
}

.gouge-lab-console .card-label {
  color: #d9bf9b;
}

.gouge-lab-console .card-label::before {
  background: linear-gradient(90deg, rgba(217,171,112,1), rgba(168,94,55,0.9));
}

@media (max-width: 1080px) {
  .gouge-hero-steps,
  .gouge-lab-overview,
  .gouge-utility-grid,
  .gouge-grind-compare {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .gouge-lab-banner,
  .gouge-lab-shell,
  .gouge-reading-grid {
    grid-template-columns: 1fr;
  }

  .gouge-lab-console {
    position: static;
  }

  .gouge-stage-head,
  .gouge-stage-footer,
  .grind-profile-head,
  .gouge-console-actions {
    flex-direction: column;
    align-items: start;
  }

  .gouge-stage-meta {
    justify-items: start;
  }

  #gouge-angle-label {
    text-align: left;
  }
}

@media (max-width: 720px) {
  .gouge-choice,
  .gouge-preset,
  .gouge-profile,
  .gouge-grind-tab {
    width: 100%;
  }

  .gouge-control-heading {
    grid-template-columns: 1fr;
  }
}