:root {
  --fs-26-60: clamp(26px, 2.5297vw + 11.43px, 60px) !important;
  --fs-20-42: clamp(20px, 1.636vw + 10.5766px, 42px) !important;
  --fs-16-32: clamp(16px, 9.15px + 1.19vw, 32px) !important;
  --fs-12-24: clamp(12px, 6.8576px + 0.8928vw, 24px) !important;
  --fs-12-20: clamp(12px, 0.595vw + 8.57px, 20px) !important;
  --fs-12-18: clamp(12px, 0.44vw + 9.43px, 18px) !important;
  --fs-12-16: clamp(12px, 10.29px + 0.297vw, 16px) !important;
  --fs-10-16: clamp(10px, 8.525px + 0.3703vw, 16px) !important;
  --primary-bg: #f5f4ed;
  --secondary-bg: #ffc62f;
  --text-dark: #2c2c2c;
  --text-light: #4a4a4a;
  --border-color: #e8c547;
  --shadow: rgba(255, 198, 47, 0.2);
}

.tools-parent-container {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--primary-bg);
  color: var(--text-dark);
  line-height: 1.6;
  padding: var(--fs-12-24);
  min-height: 100vh;
}

.tools-parent-container .container {
  max-width: 900px;
  margin: 0 auto;
  background: var(--primary-bg);
  padding: var(--fs-12-24);
}
.tools-parent-container .header {
  text-align: center;
  margin-bottom: var(--fs-16-32);
  padding: var(--fs-12-24);
  background: var(--secondary-bg);
  border-radius: var(--fs-10-16);
  box-shadow: 0 4px 15px var(--shadow);
}
.tools-parent-container .header h1 {
  font-size: var(--fs-20-42);
  color: var(--text-dark);
  margin-bottom: var(--fs-12-16);
  font-weight: 700;
}
.tools-parent-container .header p {
  font-size: var(--fs-12-18);
  color: var(--text-light);
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
}
.tools-parent-container .calculator-section {
  background: var(--secondary-bg);
  padding: var(--fs-16-32);
  border-radius: var(--fs-10-16);
  box-shadow: 0 6px 20px var(--shadow);
  margin-bottom: var(--fs-16-32);
}
.tools-parent-container .form-group {
  margin-bottom: var(--fs-12-24);
}
.tools-parent-container .form-group label {
  display: block;
  font-size: var(--fs-12-20);
  font-weight: 600;
  margin-bottom: var(--fs-10-16);
  color: var(--text-dark);
}
.tools-parent-container .form-group input,
.tools-parent-container .form-group select {
  width: 100%;
  padding: var(--fs-12-16);
  font-size: var(--fs-12-18);
  border: 2px solid var(--border-color);
  border-radius: var(--fs-10-16);
  background: var(--primary-bg);
  color: var(--text-dark);
  transition: all 0.3s ease;
}
.tools-parent-container .form-group input:focus,
.tools-parent-container .form-group select:focus {
  outline: none;
  border-color: #f0b000;
  box-shadow: 0 0 0 3px rgba(255, 198, 47, 0.3);
}
.tools-parent-container .note {
  font-size: var(--fs-10-16);
  color: var(--text-light);
  margin-top: var(--fs-10-16);
  font-style: italic;
}
.tools-parent-container .gender-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--fs-12-16);
}
.tools-parent-container .gender-option {
  position: relative;
}
.tools-parent-container .gender-option input[type=radio] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.tools-parent-container .gender-label {
  display: block;
  padding: var(--fs-12-16);
  text-align: center;
  background: var(--primary-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--fs-10-16);
  cursor: pointer;
  font-size: var(--fs-12-18);
  font-weight: 600;
  transition: all 0.3s ease;
}
.tools-parent-container .gender-option input[type=radio]:checked + .gender-label {
  background: #f0b000;
  border-color: #f0b000;
  color: var(--primary-bg);
}
.tools-parent-container .height-container {
  display: flex;
  gap: var(--fs-12-16);
  align-items: flex-end;
}
.tools-parent-container .height-unit-selector {
  flex: 1;
}
.tools-parent-container .height-inputs {
  flex: 2;
}
.tools-parent-container .height-inputs-group {
  display: grid;
  gap: var(--fs-12-16);
}
.tools-parent-container .height-inputs-group.feet-inches {
  grid-template-columns: 1fr 1fr;
}
.tools-parent-container .button-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--fs-12-16);
  margin-top: var(--fs-16-32);
}
.tools-parent-container button {
  padding: var(--fs-12-20);
  font-size: var(--fs-12-20);
  font-weight: 700;
  border: none;
  border-radius: var(--fs-10-16);
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.tools-parent-container .btn-calculate {
  background: #f0b000;
  color: var(--primary-bg);
  box-shadow: 0 4px 10px rgba(240, 176, 0, 0.3);
}
.tools-parent-container .btn-calculate:hover:not(:disabled) {
  background: #d99f00;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(240, 176, 0, 0.4);
}
.tools-parent-container .btn-calculate:disabled {
  background: #ccc;
  cursor: not-allowed;
  opacity: 0.6;
}
.tools-parent-container .btn-clear {
  background: #ff6b6b;
  color: white;
  display: none;
}
.tools-parent-container .btn-clear:hover {
  background: #ee5a52;
  transform: translateY(-2px);
}
.tools-parent-container .btn-clear.show {
  display: block;
}
.tools-parent-container .result-section {
  display: none;
  background: var(--secondary-bg);
  padding: var(--fs-16-32);
  border-radius: var(--fs-10-16);
  margin-top: var(--fs-16-32);
  box-shadow: 0 6px 20px var(--shadow);
}
.tools-parent-container .result-section.show {
  display: block;
  animation: slideIn 0.5s ease;
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.tools-parent-container .result-header {
  text-align: center;
  margin-bottom: var(--fs-12-24);
}
.tools-parent-container .result-header h2 {
  font-size: var(--fs-20-42);
  color: var(--text-dark);
  margin-bottom: var(--fs-12-16);
}
.tools-parent-container .unit-selector {
  display: flex;
  justify-content: center;
  gap: var(--fs-12-16);
  margin-bottom: var(--fs-12-20);
}
.tools-parent-container .unit-btn {
  padding: var(--fs-10-16) var(--fs-12-20);
  font-size: var(--fs-12-16);
  background: var(--primary-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--fs-10-16);
  cursor: pointer;
  transition: all 0.3s ease;
}
.tools-parent-container .unit-btn.active {
  background: #f0b000;
  color: var(--primary-bg);
  border-color: #f0b000;
}
.tools-parent-container .result-intro {
  font-size: var(--fs-12-20);
  font-weight: 600;
  margin-bottom: var(--fs-12-16);
  color: var(--text-dark);
}
.tools-parent-container .result-table-container {
  overflow-x: auto;
  margin-bottom: var(--fs-12-24);
}
.tools-parent-container .result-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--primary-bg);
  border-radius: var(--fs-10-16);
  overflow: hidden;
}
.tools-parent-container .result-table th,
.tools-parent-container .result-table td {
  padding: var(--fs-12-16);
  text-align: left;
  border-bottom: 2px solid var(--secondary-bg);
  font-size: var(--fs-12-18);
}
.tools-parent-container .result-table th {
  background: #f0b000;
  color: var(--primary-bg);
  font-weight: 700;
  font-size: var(--fs-12-20);
}
.tools-parent-container .result-table tr:last-child td {
  border-bottom: none;
}
.tools-parent-container .result-table tr:hover {
  background: rgba(255, 198, 47, 0.1);
}
.tools-parent-container .btn-download {
  width: 100%;
  background: #4CAF50;
  color: white;
  padding: var(--fs-12-20);
  font-size: var(--fs-12-20);
  margin-top: var(--fs-12-16);
}
.tools-parent-container .btn-download:hover {
  background: #45a049;
  transform: translateY(-2px);
}
.tools-parent-container .toast {
  position: fixed;
  top: var(--fs-12-24);
  right: var(--fs-12-24);
  background: #323232;
  color: white;
  padding: var(--fs-12-20);
  border-radius: var(--fs-10-16);
  font-size: var(--fs-12-18);
  z-index: 1000;
  display: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  animation: toastSlide 0.3s ease;
}
@keyframes toastSlide {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
.tools-parent-container .toast.show {
  display: block;
}
.tools-parent-container .toast.error {
  background: #f44336;
}
.tools-parent-container .toast.success {
  background: #4CAF50;
}
@media (max-width: 768px) {
  .tools-parent-container .height-container {
    flex-direction: column;
  }
  .tools-parent-container .height-unit-selector,
  .tools-parent-container .height-inputs {
    flex: 1;
    width: 100%;
  }
  .tools-parent-container .result-table {
    font-size: var(--fs-10-16);
  }
  .tools-parent-container .result-table th,
  .tools-parent-container .result-table td {
    padding: var(--fs-10-16);
  }
}
@media (max-width: 480px) {
  .tools-parent-container .gender-group {
    grid-template-columns: 1fr;
  }
  .tools-parent-container .button-group {
    grid-template-columns: 1fr;
  }
}