.elementor-kit-84{--e-global-color-primary:#083941;--e-global-color-secondary:#28CD78;--e-global-color-text:#546062;--e-global-color-accent:#28CD78;--e-global-color-a1f7d93:#FFFFFF;--e-global-color-39d4524:#D1E1E3;--e-global-color-f7a8f0c:#06333A;--e-global-color-0460288:#000000;--e-global-color-659441f:#E8F5EF;--e-global-color-35f3b04:#FFFFFF00;--e-global-color-fd3a750:#FBFD47;--e-global-typography-primary-font-family:"Plus Jakarta Sans";--e-global-typography-primary-font-weight:500;--e-global-typography-primary-text-decoration:none;--e-global-typography-secondary-font-family:"Plus Jakarta Sans";--e-global-typography-secondary-font-weight:500;--e-global-typography-secondary-text-decoration:none;--e-global-typography-text-font-family:"Archivo";--e-global-typography-text-font-size:16px;--e-global-typography-text-font-weight:400;--e-global-typography-text-text-decoration:none;--e-global-typography-text-line-height:1.5em;--e-global-typography-accent-font-family:"Archivo";--e-global-typography-accent-font-size:16px;--e-global-typography-accent-font-weight:600;--e-global-typography-accent-text-decoration:none;--e-global-typography-accent-line-height:1em;--e-global-typography-a110d51-font-family:"Plus Jakarta Sans";--e-global-typography-a110d51-font-size:100px;--e-global-typography-a110d51-font-weight:500;--e-global-typography-a110d51-text-decoration:none;--e-global-typography-a110d51-line-height:1.1em;--e-global-typography-f86984e-font-family:"Plus Jakarta Sans";--e-global-typography-f86984e-font-size:46px;--e-global-typography-f86984e-font-weight:500;--e-global-typography-f86984e-text-decoration:none;--e-global-typography-f86984e-line-height:1.1em;--e-global-typography-5101b76-font-family:"Plus Jakarta Sans";--e-global-typography-5101b76-font-size:26px;--e-global-typography-5101b76-font-weight:500;--e-global-typography-5101b76-text-decoration:none;--e-global-typography-5101b76-line-height:1.1em;--e-global-typography-489aa88-font-family:"Plus Jakarta Sans";--e-global-typography-489aa88-font-size:22px;--e-global-typography-489aa88-font-weight:500;--e-global-typography-489aa88-text-decoration:none;--e-global-typography-489aa88-line-height:1.1em;--e-global-typography-915c8e4-font-family:"Plus Jakarta Sans";--e-global-typography-915c8e4-font-size:20px;--e-global-typography-915c8e4-font-weight:500;--e-global-typography-915c8e4-text-decoration:none;--e-global-typography-915c8e4-line-height:1.1em;--e-global-typography-8b8a477-font-family:"Plus Jakarta Sans";--e-global-typography-8b8a477-font-size:18px;--e-global-typography-8b8a477-font-weight:500;--e-global-typography-8b8a477-text-decoration:none;--e-global-typography-8b8a477-line-height:1.1em;--e-global-typography-facba8f-font-family:"Archivo";--e-global-typography-facba8f-font-size:18px;--e-global-typography-facba8f-font-weight:400;--e-global-typography-facba8f-text-decoration:none;--e-global-typography-facba8f-line-height:1.5em;--e-global-typography-b24fc8e-font-family:"Archivo";--e-global-typography-b24fc8e-font-size:14px;--e-global-typography-b24fc8e-font-weight:400;--e-global-typography-b24fc8e-text-decoration:none;--e-global-typography-b24fc8e-line-height:1.5em;--e-global-typography-7edf0a2-font-family:"Plus Jakarta Sans";--e-global-typography-7edf0a2-font-size:14px;--e-global-typography-7edf0a2-font-weight:500;--e-global-typography-7edf0a2-text-decoration:none;--e-global-typography-7edf0a2-letter-spacing:2.4px;--e-global-typography-326c976-font-family:"Archivo";--e-global-typography-326c976-font-size:20px;--e-global-typography-326c976-font-weight:700;--e-global-typography-326c976-text-decoration:none;--e-global-typography-326c976-line-height:1.1px;--e-global-typography-d88e9d1-font-family:"Plus Jakarta Sans";--e-global-typography-d88e9d1-font-size:30px;--e-global-typography-d88e9d1-font-weight:500;--e-global-typography-d88e9d1-text-decoration:none;--e-global-typography-d88e9d1-line-height:1.5em;--e-global-typography-fc815a0-font-family:"Archivo";--e-global-typography-fc815a0-font-size:16px;--e-global-typography-fc815a0-font-weight:600;--e-global-typography-fc815a0-text-decoration:none;--e-global-typography-fc815a0-line-height:1.1em;--e-global-typography-6575f25-font-family:"Plus Jakarta Sans";--e-global-typography-6575f25-font-size:80px;--e-global-typography-6575f25-font-weight:500;--e-global-typography-6575f25-text-decoration:none;--e-global-typography-6575f25-line-height:1.1em;}.elementor-kit-84 button,.elementor-kit-84 input[type="button"],.elementor-kit-84 input[type="submit"],.elementor-kit-84 .elementor-button{background-color:var( --e-global-color-accent );font-family:var( --e-global-typography-accent-font-family ), Sans-serif;font-size:var( --e-global-typography-accent-font-size );font-weight:var( --e-global-typography-accent-font-weight );text-decoration:var( --e-global-typography-accent-text-decoration );line-height:var( --e-global-typography-accent-line-height );color:var( --e-global-color-a1f7d93 );border-radius:30px 30px 30px 30px;}.elementor-kit-84 button:hover,.elementor-kit-84 button:focus,.elementor-kit-84 input[type="button"]:hover,.elementor-kit-84 input[type="button"]:focus,.elementor-kit-84 input[type="submit"]:hover,.elementor-kit-84 input[type="submit"]:focus,.elementor-kit-84 .elementor-button:hover,.elementor-kit-84 .elementor-button:focus{background-color:var( --e-global-color-f7a8f0c );color:var( --e-global-color-a1f7d93 );border-radius:30px 30px 30px 30px;}.elementor-kit-84 e-page-transition{background-color:#FFBC7D;}.elementor-kit-84 h1{font-family:var( --e-global-typography-a110d51-font-family ), Sans-serif;font-size:var( --e-global-typography-a110d51-font-size );font-weight:var( --e-global-typography-a110d51-font-weight );text-decoration:var( --e-global-typography-a110d51-text-decoration );line-height:var( --e-global-typography-a110d51-line-height );}.elementor-kit-84 h2{font-family:var( --e-global-typography-f86984e-font-family ), Sans-serif;font-size:var( --e-global-typography-f86984e-font-size );font-weight:var( --e-global-typography-f86984e-font-weight );text-decoration:var( --e-global-typography-f86984e-text-decoration );line-height:var( --e-global-typography-f86984e-line-height );}.elementor-kit-84 h3{font-family:var( --e-global-typography-5101b76-font-family ), Sans-serif;font-size:var( --e-global-typography-5101b76-font-size );font-weight:var( --e-global-typography-5101b76-font-weight );text-decoration:var( --e-global-typography-5101b76-text-decoration );line-height:var( --e-global-typography-5101b76-line-height );}.elementor-kit-84 h4{font-family:var( --e-global-typography-489aa88-font-family ), Sans-serif;font-size:var( --e-global-typography-489aa88-font-size );font-weight:var( --e-global-typography-489aa88-font-weight );text-decoration:var( --e-global-typography-489aa88-text-decoration );line-height:var( --e-global-typography-489aa88-line-height );}.elementor-kit-84 h5{font-family:var( --e-global-typography-915c8e4-font-family ), Sans-serif;font-size:var( --e-global-typography-915c8e4-font-size );font-weight:var( --e-global-typography-915c8e4-font-weight );text-decoration:var( --e-global-typography-915c8e4-text-decoration );line-height:var( --e-global-typography-915c8e4-line-height );}.elementor-kit-84 h6{font-family:var( --e-global-typography-8b8a477-font-family ), Sans-serif;font-size:var( --e-global-typography-8b8a477-font-size );font-weight:var( --e-global-typography-8b8a477-font-weight );text-decoration:var( --e-global-typography-8b8a477-text-decoration );line-height:var( --e-global-typography-8b8a477-line-height );}.elementor-section.elementor-section-boxed > .elementor-container{max-width:1140px;}.e-con{--container-max-width:1140px;}.elementor-widget:not(:last-child){margin-block-end:20px;}.elementor-element{--widgets-spacing:20px 20px;--widgets-spacing-row:20px;--widgets-spacing-column:20px;}{}h1.entry-title{display:var(--page-title-display);}@media(max-width:1366px){.elementor-kit-84{--e-global-typography-a110d51-font-size:60px;--e-global-typography-a110d51-line-height:1.1em;--e-global-typography-f86984e-font-size:40px;--e-global-typography-f86984e-line-height:1.1em;--e-global-typography-5101b76-font-size:24px;--e-global-typography-5101b76-line-height:1.1em;--e-global-typography-489aa88-font-size:20px;--e-global-typography-489aa88-line-height:1.1em;--e-global-typography-915c8e4-font-size:18px;--e-global-typography-915c8e4-line-height:1.1em;--e-global-typography-8b8a477-font-size:18px;--e-global-typography-8b8a477-line-height:1.1em;--e-global-typography-6575f25-font-size:60px;--e-global-typography-6575f25-line-height:1.1em;}.elementor-kit-84 h1{font-size:var( --e-global-typography-a110d51-font-size );line-height:var( --e-global-typography-a110d51-line-height );}.elementor-kit-84 h2{font-size:var( --e-global-typography-f86984e-font-size );line-height:var( --e-global-typography-f86984e-line-height );}.elementor-kit-84 h3{font-size:var( --e-global-typography-5101b76-font-size );line-height:var( --e-global-typography-5101b76-line-height );}.elementor-kit-84 h4{font-size:var( --e-global-typography-489aa88-font-size );line-height:var( --e-global-typography-489aa88-line-height );}.elementor-kit-84 h5{font-size:var( --e-global-typography-915c8e4-font-size );line-height:var( --e-global-typography-915c8e4-line-height );}.elementor-kit-84 h6{font-size:var( --e-global-typography-8b8a477-font-size );line-height:var( --e-global-typography-8b8a477-line-height );}.elementor-kit-84 button,.elementor-kit-84 input[type="button"],.elementor-kit-84 input[type="submit"],.elementor-kit-84 .elementor-button{font-size:var( --e-global-typography-accent-font-size );line-height:var( --e-global-typography-accent-line-height );}}@media(max-width:1024px){.elementor-kit-84{--e-global-typography-a110d51-font-size:50px;--e-global-typography-a110d51-line-height:1.1em;--e-global-typography-f86984e-font-size:36px;--e-global-typography-f86984e-line-height:1.1em;--e-global-typography-5101b76-font-size:24px;--e-global-typography-5101b76-line-height:1.1em;--e-global-typography-489aa88-font-size:20px;--e-global-typography-489aa88-line-height:1.1em;--e-global-typography-915c8e4-font-size:16px;--e-global-typography-915c8e4-line-height:1.1em;--e-global-typography-8b8a477-font-size:16px;--e-global-typography-8b8a477-line-height:1.1em;--e-global-typography-facba8f-font-size:16px;--e-global-typography-d88e9d1-font-size:24px;--e-global-typography-6575f25-font-size:50px;--e-global-typography-6575f25-line-height:1.1em;}.elementor-kit-84 h1{font-size:var( --e-global-typography-a110d51-font-size );line-height:var( --e-global-typography-a110d51-line-height );}.elementor-kit-84 h2{font-size:var( --e-global-typography-f86984e-font-size );line-height:var( --e-global-typography-f86984e-line-height );}.elementor-kit-84 h3{font-size:var( --e-global-typography-5101b76-font-size );line-height:var( --e-global-typography-5101b76-line-height );}.elementor-kit-84 h4{font-size:var( --e-global-typography-489aa88-font-size );line-height:var( --e-global-typography-489aa88-line-height );}.elementor-kit-84 h5{font-size:var( --e-global-typography-915c8e4-font-size );line-height:var( --e-global-typography-915c8e4-line-height );}.elementor-kit-84 h6{font-size:var( --e-global-typography-8b8a477-font-size );line-height:var( --e-global-typography-8b8a477-line-height );}.elementor-kit-84 button,.elementor-kit-84 input[type="button"],.elementor-kit-84 input[type="submit"],.elementor-kit-84 .elementor-button{font-size:var( --e-global-typography-accent-font-size );line-height:var( --e-global-typography-accent-line-height );}.elementor-section.elementor-section-boxed > .elementor-container{max-width:1024px;}.e-con{--container-max-width:1024px;}}@media(max-width:767px){.elementor-kit-84{--e-global-typography-text-font-size:14px;--e-global-typography-accent-font-size:14px;--e-global-typography-a110d51-font-size:44px;--e-global-typography-a110d51-line-height:1.1em;--e-global-typography-f86984e-font-size:30px;--e-global-typography-f86984e-line-height:1.1em;--e-global-typography-5101b76-font-size:22px;--e-global-typography-5101b76-line-height:1.1em;--e-global-typography-489aa88-font-size:20px;--e-global-typography-489aa88-line-height:1.1em;--e-global-typography-915c8e4-font-size:16px;--e-global-typography-915c8e4-line-height:1.1em;--e-global-typography-8b8a477-font-size:16px;--e-global-typography-8b8a477-line-height:1.1em;--e-global-typography-facba8f-font-size:16px;--e-global-typography-d88e9d1-font-size:22px;--e-global-typography-6575f25-font-size:34px;--e-global-typography-6575f25-line-height:1.1em;}.elementor-kit-84 h1{font-size:var( --e-global-typography-a110d51-font-size );line-height:var( --e-global-typography-a110d51-line-height );}.elementor-kit-84 h2{font-size:var( --e-global-typography-f86984e-font-size );line-height:var( --e-global-typography-f86984e-line-height );}.elementor-kit-84 h3{font-size:var( --e-global-typography-5101b76-font-size );line-height:var( --e-global-typography-5101b76-line-height );}.elementor-kit-84 h4{font-size:var( --e-global-typography-489aa88-font-size );line-height:var( --e-global-typography-489aa88-line-height );}.elementor-kit-84 h5{font-size:var( --e-global-typography-915c8e4-font-size );line-height:var( --e-global-typography-915c8e4-line-height );}.elementor-kit-84 h6{font-size:var( --e-global-typography-8b8a477-font-size );line-height:var( --e-global-typography-8b8a477-line-height );}.elementor-kit-84 button,.elementor-kit-84 input[type="button"],.elementor-kit-84 input[type="submit"],.elementor-kit-84 .elementor-button{font-size:var( --e-global-typography-accent-font-size );line-height:var( --e-global-typography-accent-line-height );}.elementor-section.elementor-section-boxed > .elementor-container{max-width:767px;}.e-con{--container-max-width:767px;}}/* Start custom CSS */:root {
            --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
            --danger-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
            --biology-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
            --glass-bg: rgba(255, 255, 255, 0.1);
            --glass-border: rgba(255, 255, 255, 0.2);
            --text-primary: #2d3748;
            --text-secondary: #4a5568;
            --shadow-soft: 0 20px 40px rgba(0, 0, 0, 0.1);
            --shadow-medium: 0 25px 50px rgba(0, 0, 0, 0.15);
            --shadow-strong: 0 30px 60px rgba(0, 0, 0, 0.2);
        }
        
        
    .glass-container {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  text-align: center;
}
select option {
  background-color: #ffffff !important;
  color: #000000 !important;
}

.input-field,
.dropdown,
select,
input[type="number"] {
  padding: 12px !important;
  border: none !important;
  border-radius: 8px !important;
  background-color: #ffffff !important;
  color: #000000 !important;
  font-size: 16px !important;
  width: 100% !important;
  box-sizing: border-box;
}



form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

label {
  color: #fff;
  font-weight: bold;
  font-size: 16px;
}

.input-field, .calculate-btn {
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 16px;
}

.input-field::placeholder {
  color: #ccc;
}

.calculate-btn {
  background: #4a6cf7;
  cursor: pointer;
  margin-top: 20px;
}

.calculate-btn:hover {
  background: #6e8efb;
}

.results {
  margin-top: 25px;
  color: #fff;
  font-size: 16px;
}

.results h2 {
  margin-bottom: 15px;
  font-size: 22px;
}

.tooltip {
  position: relative;
  display: inline-block;
  margin-left: 5px;
  cursor: help;
  color: #4a6cf7;
  font-weight: bold;
}

.tooltiptext {
  visibility: hidden;
  width: 200px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 8px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

.explanation {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 5px;
}

.result-item {
  margin-bottom: 15px;
  background: rgba(255, 255, 255, 0.05);
  padding: 10px;
  border-radius: 8px;
}




.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    padding: 30px;
    margin-bottom: 30px;
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}



.title {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateX(-3px);
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    color: white;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 1rem;
}

.form-input, .form-select {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: white;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-input:focus, .form-select:focus {
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.15);
}

.form-select option {
    background: #333;
    color: white;
}

.btn {
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    color: white;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.2));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    width: 100%;
    margin-top: 20px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-left: 10px;
}

.result-section {
    margin-top: 30px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: none;
}

.result-section.show {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-title {
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.result-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 5px;
}

.result-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.input-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
}

.formula-section {
    margin-top: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.formula-title {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.formula {
    color: rgba(255, 255, 255, 0.9);
    font-family: 'Courier New', monospace;
    background: rgba(0, 0, 0, 0.2);
    padding: 10px;
    border-radius: 8px;
    font-size: 0.9rem;
}

.note {
    margin-top: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border-left: 4px solid rgba(255, 255, 255, 0.3);
}

.note-title {
    color: white;
    font-weight: 600;
    margin-bottom: 8px;
}

.note-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.5;
}

.error {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    color: #ffcccb;
    padding: 10px;
    border-radius: 8px;
    margin-top: 10px;
    display: none;
}

.error.show {
    display: block;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .input-row, .input-row-3 {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .result-grid {
        grid-template-columns: 1fr;
    }
    
    .glass-card {
        padding: 20px;
    }
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Tooltip styles */
.tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    text-align: center;
    border-radius: 8px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8rem;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}


.calculator-grid {
            display: grid;
            grid-template-columns: 1fr 400px;
            gap: 40px;
            margin-top: 40px;
        }
        
        .input-panel {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow-medium);
            position: relative;
            overflow: hidden;
        }
        
        .input-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
        }
        
        .results-panel {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow-medium);
            position: sticky;
            top: 20px;
            height: fit-content;
        }
        
        .panel-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 30px;
            color: white;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .panel-title::before {
            content: '';
            width: 6px;
            height: 30px;
            background: var(--secondary-gradient);
            border-radius: 3px;
        }
        
        .input-group {
            margin-bottom: 30px;
            position: relative;
        }
        
        .input-label {
            display: block;
            font-weight: 600;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        
        .slider-container {
            position: relative;
            padding: 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }
        
        .slider-container:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        
        .slider-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .slider-value {
            background: var(--secondary-gradient);
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            min-width: 60px;
            text-align: center;
        }
        
        .slider {
            width: 100%;
            height: 8px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.2);
            outline: none;
            -webkit-appearance: none;
            position: relative;
            cursor: pointer;
        }
        
        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--secondary-gradient);
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
            transition: all 0.2s ease;
        }
        
        .slider::-webkit-slider-thumb:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 20px rgba(0,0,0,0.4);
        }
        
        .slider::-moz-range-thumb {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--secondary-gradient);
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }
        
        .progress-bar {
            position: absolute;
            top: 50%;
            left: 0;
            height: 8px;
            background: var(--secondary-gradient);
            border-radius: 4px;
            transform: translateY(-50%);
            transition: width 0.3s ease;
            pointer-events: none;
        }
        
        .result-card {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 25px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .result-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--success-gradient);
        }
        
        .result-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.2);
        }
        
        .result-value {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: white;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        
        .result-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        
        .score-display {
            background: var(--success-gradient);
            border-radius: 24px;
            padding: 40px;
            text-align: center;
            margin-top: 30px;
            box-shadow: var(--shadow-strong);
            position: relative;
            overflow: hidden;
        }
        
        .score-display::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: shimmer 3s ease-in-out infinite;
        }
        
        @keyframes shimmer {
            0%, 100% { transform: rotate(0deg); }
            50% { transform: rotate(180deg); }
        }
        
        .score-number {
            font-size: 5rem;
            font-weight: 900;
            margin-bottom: 15px;
            color: white;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
            position: relative;
            z-index: 1;
        }
        
        .score-text {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: white;
            position: relative;
            z-index: 1;
        }
        
        .score-description {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 400;
            position: relative;
            z-index: 1;
        }
        
        .info-section {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 30px;
            margin-top: 40px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .info-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .info-content {
            font-size: 0.95rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.8);
        }
        
        .info-content strong {
            color: white;
            font-weight: 600;
        }
        
        .floating-elements {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }
        
        .floating-circle {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            animation: float 6s ease-in-out infinite;
        }
        
        .floating-circle:nth-child(1) {
            width: 80px;
            height: 80px;
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }
        
        .floating-circle:nth-child(2) {
            width: 120px;
            height: 120px;
            top: 60%;
            right: 15%;
            animation-delay: 2s;
        }
        
        .floating-circle:nth-child(3) {
            width: 60px;
            height: 60px;
            bottom: 20%;
            left: 20%;
            animation-delay: 4s;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(180deg); }
        }
        
        @media (max-width: 1024px) {
            .calculator-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .results-panel {
                position: static;
            }
        }
        
        @media (max-width: 768px) {
            .input-panel, .results-panel {
                padding: 25px;
            }
            
            .header h1 {
                font-size: 2.5rem;
            }
            
            .score-number {
                font-size: 4rem;
            }
        }/* End custom CSS */