.pta-calculator-container{margin:0 auto;padding:20px;background-color:#fff;box-shadow:0 0 15px rgba(0,0,0,.1);border-radius:8px;line-height:1.6;color:#333}.pta-header{color:#fff;padding:20px 20px 30px;text-align:center;margin-bottom:30px;border-radius:6px}.pta-header-icon{text-align:center;margin-bottom:15px}.pta-icon{display:inline-block;width:1em;height:1em;vertical-align:middle;fill:currentColor}.pta-header h1{font-size:32px;margin-bottom:10px;font-weight:700}.pta-header p{font-size:18px;opacity:.9}.calculator-section{margin-bottom:40px;padding:25px;background-color:#fff;border-radius:6px;box-shadow:0 2px 10px rgba(0,0,0,.05)}.calculator-tabs{display:flex;margin-bottom:20px;border-radius:6px;overflow:hidden;gap:15px}.tab-btn{flex:1;padding:12px 15px;background-color:#f0f0f0;border:none;cursor:pointer;font-weight:600;font-size:16px;transition:all .3s ease}.tab-btn.active{color:#fff}.form-group{margin-bottom:20px}.pta-calculator-container label{display:block;font-weight:700;margin-bottom:8px;font-size:16px}.pta-calculator-container .pta-select,.pta-calculator-container select{height:auto!important;line-height:normal!important;padding:12px!important;appearance:auto!important;-webkit-appearance:auto!important;-moz-appearance:auto!important;text-indent:0!important;text-overflow:ellipsis!important;white-space:nowrap!important;box-sizing:border-box!important;vertical-align:middle!important;display:block!important;font-size:16px!important;color:#333!important;background-color:#fff!important;border:1px solid #ddd!important;border-radius:6px!important;min-height:48px!important;width:100%}@media (max-width:480px){.calculator-tabs{flex-direction:column;gap:10px}.tab-btn{border-radius:6px;margin-bottom:0}}