.calculator-container{width:100%;max-width:900px;background:#fff;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.15);overflow:hidden}.header{background:#f90;color:#fff;padding:15px 20px;text-align:center;font-size:16px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px}.header:hover{background:#ffa300}.unit-tabs{display:flex;background:#e8e8e8;border-bottom:1px solid #ccc}.tab{flex:1;padding:12px 15px;background:#dfdfdf;color:#000;border:1px solid #323232;cursor:pointer;font-size:14px;font-weight:700;transition:all 0.3s ease}.tab.active{background:#f90;color:#fff;border:1px solid #323232}.tab:hover{background:#222121;color:#fff}.converter-section{background:#e6f3ff;padding:20px;border-bottom:2px solid #ddd;display:none}.converter-section.active{display:block;animation:fadeIn 0.3s ease}.converter-text{text-align:center;margin-bottom:15px;font-size:14px;color:#666}.converter-tabs{display:flex;justify-content:center;gap:5px;margin-bottom:15px;flex-wrap:wrap}.converter-tab{padding:8px 15px;background:#333;color:#fff;border:none;cursor:pointer;font-size:12px;border-radius:4px;transition:all 0.3s}.converter-tab.active{background:#4a90e2}.converter-tab:hover{background:#357abd}.conversion-row{display:flex;gap:20px;align-items:center;justify-content:center;margin-bottom:15px;flex-wrap:wrap}.conversion-group{display:flex;flex-direction:column;align-items:center}.conversion-group label{font-weight:700;margin-bottom:5px;font-size:14px;color:#444}.conversion-group select{padding:10px;border:1px solid #ddd;border-radius:6px;min-width:150px;font-size:14px;background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.05)}.conversion-group input{padding:10px;border:1px solid #ddd;border-radius:6px;width:150px;text-align:center;margin-top:5px;font-size:14px;box-shadow:0 2px 5px rgba(0,0,0,.05)}.main-content{display:flex;gap:0}.calculator-form{flex:1;padding:25px;background:#f9f9f9}.result-section{flex:1;background:#00f3ffe0;color:#000;padding:25px}.result-header{background:rgba(0,0,0,.2);margin:-25px -25px 20px -25px;padding:15px 25px;font-weight:700;display:flex;justify-content:space-between;align-items:center;font-size:18px}.save-btn{background:rgba(255,255,255,.2);border:none;color:#fff;cursor:pointer;font-size:18px;padding:5px 10px;border-radius:4px;transition:all 0.3s}.save-btn:hover{background:rgba(255,255,255,.3)}.form-group{margin-bottom:20px;display:flex;align-items:center}.form-group label{width:80px;font-weight:700;margin-right:15px;color:#444}.form-group input[type="number"]{padding:10px;border:1px solid #ddd;border-radius:6px;width:80px;margin-right:10px;font-size:14px;box-shadow:0 2px 5px rgba(0,0,0,.05)}.form-group span{font-size:14px;color:#666}.height-inputs{display:flex;align-items:center;gap:5px}.height-inputs input{width:60px}.height-inputs span{margin-right:10px;font-size:14px}.gender-group{display:flex;align-items:center;gap:15px}.radio-group{display:flex;align-items:center;gap:5px}.radio-group input[type="radio"]{margin-right:5px}.button-group{display:flex;gap:10px;margin-top:25px}.calculate-btn{background:#ffa300;color:#fff;border:none;padding:12px 20px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:700;display:flex;align-items:center;gap:5px;transition:all 0.3s;box-shadow:0 4px 6px rgba(0,0,0,.1)}.calculate-btn:hover{background-color:#000;transform:translateY(-2px);box-shadow:0 6px 8px rgba(0,0,0,.15)}.clear-btn{background:#999;color:#fff;border:none;padding:12px 20px;border-radius:6px;cursor:pointer;font-size:14px;transition:all 0.3s}.clear-btn:hover{background:#777;transform:translateY(-2px);box-shadow:0 4px 6px rgba(0,0,0,.1)}.result-text{margin-bottom:15px;font-size:14px;line-height:1.5}.results-table{width:100%;border-collapse:collapse;margin-top:10px;background:rgba(255,255,255,.1);border-radius:8px;overflow:hidden}.results-table th{background:rgba(0,0,0,.2);padding:12px;text-align:center;font-size:14px;font-weight:700}.results-table td{padding:12px;text-align:center;background-color:#2cddc4;color:#000;font-size:14px;border-bottom:1px solid rgba(255,255,255,.1)}.weight-value{font-weight:700;color:#c8f7c5}.bmi-range{background-color:#2bc4cc!important;font-weight:700;color:#000}.hidden{display:none}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@media (max-width:768px){.main-content{flex-direction:column}.conversion-row{flex-direction:column}.form-group label{width:25%;margin-bottom:8px;margin-right:5px;word-break:keep-all;white-space:nowrap}.form-group input[type="number"]{padding:10px;border:1px solid #ddd;border-radius:6px;width:22%;margin-right:10px;font-size:14px;box-shadow:0 2px 5px rgba(0,0,0,.05)}}