/* Tree height calculator — extends shared tool shell */

.tool-page--height {
  --primary-color: var(--color-accent);
  --secondary-color: var(--color-muted-green);
  --background-color: var(--color-page);
  --text-muted: rgba(0, 0, 0, 0.55);
  --light-accent: rgba(143, 169, 143, 0.14);
  --border-color: rgba(0, 0, 0, 0.1);
  --box-shadow: var(--tool-shadow);
  --transition: all 0.2s ease;
}

@media (min-width: 961px) {
  .tool-page--height.tool-layout--sticky .tool-layout__primary,
  .tool-page--height .tool-layout--sticky .tool-layout__primary {
    position: sticky;
    top: 1.25rem;
  }
}

.tool-page--height .calculator-card,
.tool-page--height .info-card {
  margin-bottom: 0;
}

.tool-page--height .info-card h3 {
  margin: 0 0 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 0.12rem solid rgba(0, 0, 0, 0.08);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-align: left;
}

.input-group {
  margin-bottom: 1.25rem;
}

.input-with-help {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.45rem;
}

.input-with-help label {
  margin-bottom: 0;
  flex: 1;
}

.tool-page--height input {
  margin-bottom: 0;
}

.tooltip {
  position: relative;
  display: inline-flex;
  color: var(--tool-muted);
  cursor: help;
}

.tooltip i {
  font-size: 0.95rem;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 14rem;
  max-width: calc(100vw - 2.5rem);
  padding: 0.55rem 0.75rem;
  border-radius: 0.35rem;
  background: var(--color-dark);
  color: var(--color-white);
  text-align: left;
  position: absolute;
  z-index: 5;
  bottom: calc(100% + 0.45rem);
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.2s ease;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.4;
  text-transform: none;
  box-shadow: 0 0.35rem 1rem rgba(0, 0, 0, 0.2);
}

.tooltip:hover .tooltiptext,
.tooltip:focus-within .tooltiptext {
  visibility: visible;
  opacity: 1;
}

.calculation-method {
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-radius: 0.35rem;
  background: var(--light-accent);
}

.calculation-method > h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.method-tabs {
  display: flex;
  margin-bottom: 0.85rem;
  border-bottom: 0.12rem solid var(--border-color);
}

.tab-btn {
  flex: 1;
  padding: 0.75rem 0.5rem;
  border: 0;
  border-bottom: 0.2rem solid transparent;
  background: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: var(--transition);
}

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-btn:hover:not(.active) {
  color: var(--color-black);
}

.method-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.method-btn {
  flex: 1 1 calc(50% - 0.55rem);
  min-width: 7.5rem;
  padding: 0.75rem 0.65rem;
  border: 0.12rem solid var(--color-accent);
  border-radius: 0.35rem;
  background: var(--color-white);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: var(--transition);
}

.method-btn.active {
  background: var(--color-accent);
  color: var(--color-white);
}

.method-btn:hover:not(.active) {
  background: var(--light-accent);
}

.method-description {
  margin-bottom: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: 0.35rem;
  border-left: 0.25rem solid var(--color-muted-green);
  background: var(--light-accent);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.78);
}

.method-description h4 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.method-description ol,
.method-description ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.calculate-btn {
  width: 100%;
  margin-top: 0.25rem;
  padding: 1rem 1.25rem;
  border: 0.16rem solid var(--color-accent);
  border-radius: 0.35rem;
  background: var(--color-accent);
  color: var(--color-white);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.4vw, 1.05rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: var(--transition);
}

.calculate-btn:hover,
.calculate-btn:focus-visible {
  background: var(--color-dark);
  border-color: var(--color-dark);
  transform: translateY(-2px);
}

.result-area {
  margin-top: 1.25rem;
  padding: 1.25rem;
  border-radius: 0.35rem;
  border: 0.12rem solid rgba(143, 169, 143, 0.35);
  background: linear-gradient(145deg, rgba(143, 169, 143, 0.12), rgba(255, 255, 255, 0.95));
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.5;
}

.result-area strong {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1;
  color: var(--color-accent);
}

.error-message {
  display: none;
  margin-top: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: 0.35rem;
  background: rgba(211, 47, 47, 0.08);
  color: #b71c1c;
  text-align: center;
  font-weight: 700;
}

.hidden {
  display: none;
}

.save-results {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: 0.35rem;
  background: var(--light-accent);
}

.save-results h4 {
  margin: 0 0 0.85rem;
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.save-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: center;
}

.save-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1rem;
  border: 0.12rem solid var(--border-color);
  border-radius: 0.35rem;
  background: var(--color-white);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: var(--transition);
}

.save-btn:hover,
.save-btn:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.method-info-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.method-info-tab {
  padding: 0.55rem 1rem;
  border: 0.12rem solid var(--border-color);
  border-radius: 999px;
  background: var(--color-white);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: var(--transition);
}

.method-info-tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.method-info-tab:hover:not(.active) {
  background: var(--light-accent);
}

.intro-text,
.method-info p {
  font-family: var(--font-serif);
  line-height: 1.65;
  color: rgba(0, 0, 0, 0.78);
}

.main-steps {
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
}

.main-steps li {
  margin-bottom: 0.55rem;
  font-family: var(--font-serif);
  line-height: 1.55;
}

.method-selection-help {
  padding: 1rem;
  border-radius: 0.35rem;
  background: var(--light-accent);
}

.method-selection-help h4,
.method-info h4 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.method-details {
  margin-bottom: 1.25rem;
  padding: 1.15rem;
  border: 0.08rem solid var(--border-color);
  border-radius: 0.35rem;
  background: #faf9f7;
}

.method-details h5 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.method-details p,
.method-details li {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.75);
}

.method-details ol {
  margin: 0.5rem 0;
  padding-left: 1.25rem;
}

.method-tip {
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-radius: 0.35rem;
  background: rgba(143, 169, 143, 0.18);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-style: italic;
}

.tips {
  margin: 1.25rem 0;
  padding: 1.15rem;
  border-radius: 0.35rem;
  background: var(--light-accent);
}

.tips h4,
.common-questions h4 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.tips ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.tips li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin-bottom: 0.55rem;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 1.5;
  color: rgba(0, 0, 0, 0.75);
}

.tips i {
  margin-top: 0.15rem;
  color: var(--color-muted-green);
}

.common-questions {
  margin-top: 1.25rem;
}

.question {
  margin-bottom: 0.85rem;
  padding: 1rem;
  border: 0.08rem solid var(--border-color);
  border-radius: 0.35rem;
  background: #faf9f7;
}

.question h5 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.question p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 1.55;
  color: rgba(0, 0, 0, 0.72);
}

.unit-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
  padding: 0.85rem;
  border-radius: 0.35rem;
  background: var(--light-accent);
}

.unit-group {
  flex: 1 1 9rem;
  min-width: 0;
}

.unit-selector label {
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
}

.unit-selector select {
  appearance: none;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%232c382b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}

@media (max-width: 768px) {
  .method-selector {
    flex-direction: column;
  }

  .method-btn {
    flex-basis: auto;
    width: 100%;
  }

  .save-options {
    flex-direction: column;
  }

  .save-btn {
    justify-content: center;
    width: 100%;
  }

  .method-info-tabs {
    flex-direction: column;
  }

  .method-info-tab {
    width: 100%;
    text-align: center;
  }

  .unit-selector {
    flex-direction: column;
  }

  .tooltip .tooltiptext {
    left: auto;
    right: 0;
    transform: none;
  }
}

@media print {
  .tool-page--height {
    background: white;
  }

  .unit-selector,
  .calculation-method,
  .input-group,
  .calculate-btn,
  .save-results,
  .info-card {
    display: none !important;
  }

  .result-area {
    border: 0.12rem solid #ccc;
    background: white;
  }
}