.tool-wrap {
  width: min(1040px, calc(100% - 2.2rem));
  margin: 2rem auto 3rem;
}

.tool-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
}

.tool-card {
  border: 1px solid var(--outline);
  border-radius: 20px;
  background: #ffffff;
  box-shadow: var(--shadow);
  padding: 1.1rem;
}

.tool-card h1 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

.tool-sub {
  margin: 0 0 0.7rem;
  color: var(--muted);
}

.tool-form {
  display: grid;
  gap: 0.75rem;
}

.field {
  display: grid;
  gap: 0.3rem;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.field label,
.field legend {
  font-weight: 800;
  font-size: 0.95rem;
  color: #1f4338;
}

.fieldset {
  margin: 0;
  border: 1px solid var(--outline);
  border-radius: 12px;
  padding: 0.72rem;
}

.fieldset-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.fieldset-row label {
  font-weight: 700;
}

.tool-form input,
.tool-form select {
  border: 1px solid var(--outline);
  border-radius: 10px;
  padding: 0.58rem 0.62rem;
  font: inherit;
  color: var(--text);
  background: #ffffff;
}

.tool-form input:focus-visible,
.tool-form select:focus-visible {
  outline: 3px solid rgba(87, 191, 163, 0.35);
  outline-offset: 1px;
}

.unit-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.unit-switch label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--outline);
  border-radius: 999px;
  padding: 0.38rem 0.7rem;
  background: #f8fdfa;
  font-weight: 700;
  font-size: 0.9rem;
}

.unit-switch input[type="radio"] {
  margin: 0;
}

.help-text {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted2);
}

.is-hidden {
  display: none;
}

.feedback {
  min-height: 1.4rem;
  font-size: 0.92rem;
  font-weight: 700;
}

.feedback.error {
  color: #a03434;
}

.feedback.status {
  color: var(--mint-700);
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.tool-actions .btn {
  cursor: pointer;
}

.results-head {
  display: grid;
  gap: 0.28rem;
  margin-bottom: 0.5rem;
}

.results-head p {
  margin: 0;
}

.results-kpi {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 0.45rem;
}

.kpi {
  border: 1px solid rgba(191, 220, 209, 0.94);
  border-radius: 11px;
  padding: 0.44rem 0.56rem;
  background: #f8fdfa;
  font-size: 0.92rem;
  font-weight: 800;
}

.result-note-list {
  margin-top: 0.72rem;
  display: grid;
  gap: 0.55rem;
}

.result-note-item {
  color: #1f4338;
  font-size: 0.93rem;
  line-height: 1.45;
  border: 1px solid rgba(148, 203, 185, 0.85);
  border-radius: 14px;
  background: linear-gradient(140deg, #f8fdfa 0%, #eefaf5 100%);
  padding: 0.68rem 0.78rem 0.68rem 0.95rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95), 0 10px 22px rgba(34, 92, 75, 0.08);
  position: relative;
}

.result-note-item::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0.66rem;
  bottom: 0.66rem;
  width: 4px;
  border-radius: 999px;
  background: #57bfa3;
}

.result-note-title {
  margin: 0 0 0.25rem;
  font-size: 0.9rem;
  font-weight: 800;
}

.result-note-text {
  margin: 0;
}

.result-note-item.warning {
  color: #6f2f2f;
  border-color: rgba(196, 108, 108, 0.45);
  background: linear-gradient(140deg, #fff9f9 0%, #fff1f1 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.96), 0 10px 22px rgba(152, 65, 65, 0.1);
}

.result-note-item.warning::before {
  background: #d67878;
}

.chart-shell {
  border-radius: 18px;
  border: 1px solid rgba(191, 220, 209, 0.95);
  background: linear-gradient(180deg, #ffffff, #f6fffb);
  padding: 0.35rem;
}

.chart-shell svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-carousel {
  display: grid;
  gap: 0.45rem;
}

.carousel-controls {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  align-items: center;
  gap: 0.5rem;
}

.carousel-btn {
  border: 1px solid rgba(118, 190, 169, 0.6);
  background: #f6fffb;
  color: #2b6757;
  border-radius: 10px;
  width: 36px;
  height: 36px;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.carousel-status {
  margin: 0;
  text-align: center;
  font-weight: 800;
  color: #2d6153;
}

.chart-viewport {
  overflow: hidden;
}

.chart-track {
  display: flex;
  transition: transform 240ms ease;
  will-change: transform;
}

.chart-slide {
  min-width: 100%;
}

.chart-slide-title {
  margin: 0 0 0.4rem;
  font-weight: 800;
  color: #2b6757;
  font-size: 0.92rem;
}

.chart-bg {
  fill: #ffffff;
}

.grid-line {
  stroke: rgba(37, 51, 46, 0.08);
  stroke-width: 1;
}

.axis-line {
  stroke: rgba(37, 51, 46, 0.26);
  stroke-width: 1.25;
}

.axis-text {
  fill: rgba(37, 51, 46, 0.7);
  font-size: 13px;
  font-weight: 700;
}

.axis-title {
  fill: #2a5b4d;
  font-size: 14px;
  font-weight: 800;
}

.curve-line {
  stroke-width: 3;
  opacity: 0.97;
}

.curve-0,
.curve-4 {
  stroke: #8fcfbd;
}

.curve-1,
.curve-3 {
  stroke: #6ec1ab;
}

.curve-main {
  stroke: #2f7f6b;
  stroke-width: 3.5;
}

.percentile-label {
  fill: #3f7d6d;
  font-size: 12px;
  font-weight: 800;
}

.baby-point {
  fill: #df6f7e;
  stroke: #ffffff;
  stroke-width: 2.2;
}

.source-list {
  margin: 0.35rem 0 0;
  padding-left: 1rem;
}

.source-list a {
  color: var(--mint-700);
  font-weight: 700;
  text-decoration: none;
}

.source-list li {
  margin: 0.25rem 0;
}

@media (max-width: 980px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tool-wrap {
    width: min(100%, calc(100% - 1.2rem));
    margin: 1.05rem auto 2rem;
  }

  .tool-card {
    padding: 0.9rem;
    border-radius: 16px;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .results-kpi {
    gap: 0.45rem;
  }
}