.ptcconv_main-container{all:initial;display:block}.ptcconv_main-container *{box-sizing:border-box!important;font-family:'Poppins',Arial,sans-serif!important;font-weight:normal!important}.ptcconv_main-container p,.ptcconv_main-container span,.ptcconv_main-container div,.ptcconv_main-container li,.ptcconv_main-container label,.ptcconv_main-container input,.ptcconv_main-container select,.ptcconv_main-container textarea{font-weight:normal!important}.ptcconv_main-container strong,.ptcconv_main-container b{font-weight:700!important}.ptcconv_main-container h1,.ptcconv_main-container h2,.ptcconv_main-container h3,.ptcconv_main-container h4,.ptcconv_main-container h5,.ptcconv_main-container h6{font-weight:600!important}.ptcconv_main-container input,.ptcconv_main-container select,.ptcconv_main-container button,.ptcconv_main-container textarea{-webkit-appearance:none!important;-moz-appearance:none!important;appearance:none!important;background-image:none!important;border-radius:12px!important}.ptcconv_main-container button{cursor:pointer!important;text-decoration:none!important}.ptcconv_main-container{width:100%!important;margin:0 auto!important;padding:0!important;font-family:'Poppins',Arial,sans-serif;color:#222;box-sizing:border-box}.ptcconv_main-container *,.ptcconv_main-container *::before,.ptcconv_main-container *::after{box-sizing:border-box}.ptcconv_dark .ptcconv_card-header{background:#1e1e2e;box-shadow:0 8px 20px rgb(0 0 0 / .4)}.ptcconv_dark .ptcconv_card-header h2{color:#e0e0e0}.ptcconv_dark .ptcconv_card-header p{color:#aaa}.ptcconv_dark .ptcconv_input-section{background:#1e1e2e;box-shadow:0 8px 20px rgb(0 0 0 / .3)}.ptcconv_dark .ptcconv_input-group input,.ptcconv_dark .ptcconv_input-group select{background:#2a2a3e;border-color:#444;color:#e0e0e0}.ptcconv_dark .ptcconv_input-group label{color:#90caf9}.ptcconv_dark .ptcconv_section-heading h4{color:#90caf9;border-color:#90caf9}.ptcconv_dark .ptcconv_checkbox-option{background:#2a2a3e;border-color:#444}.ptcconv_dark .ptcconv_checkbox-option label{color:#e0e0e0}.ptcconv_dark .ptcconv_checkbox-option:hover{background:#335;border-color:#90caf9}.ptcconv_dark .ptcconv_checkbox-option input[type="checkbox"]{background:#2a2a3e!important;border-color:#90caf9!important}.ptcconv_dark .ptcconv_checkbox-option input[type="checkbox"]:checked{background:#1976d2!important}.ptcconv_dark .ptcconv_result-container{background:#1e1e2e;box-shadow:0 8px 20px rgb(0 0 0 / .4)}.ptcconv_dark .ptcconv_result-container h3{color:#90caf9}.ptcconv_dark .ptcconv_result-card{background:#2a2a3e}.ptcconv_dark .ptcconv_result-title{color:#aaa}.ptcconv_dark .ptcconv_result-value{color:#e0e0e0}.ptcconv_dark .ptcconv_result-unit{color:#aaa}.ptcconv_dark .ptcconv_breakdown-section{background:#1a2a3a}.ptcconv_dark .ptcconv_breakdown-section h4{color:#90caf9}.ptcconv_dark .ptcconv_breakdown-section li{color:#90caf9}.ptcconv_dark .ptcconv_calculation-steps{background:#2a1a3a}.ptcconv_dark .ptcconv_calculation-steps h4{color:#ce93d8}.ptcconv_dark .ptcconv_steps-content{color:#ce93d8}.ptcconv_dark .ptcconv_educational-info{background:linear-gradient(135deg,#1a2e1a 0%,#1a3a1a 100%)}.ptcconv_dark .ptcconv_educational-info h4{color:#81c784}.ptcconv_dark .ptcconv_educational-info p{color:#a5d6a7}.ptcconv_dark .ptcconv_comparison-table{background:#2a2010}.ptcconv_dark .ptcconv_comparison-table h4{color:#ffb74d}.ptcconv_dark .ptcconv_comparison-table th{background:#3a2e10;color:#ffb74d}.ptcconv_dark .ptcconv_comparison-table td{color:#ffcc80}.ptcconv_dark .ptcconv_comparison-table th,.ptcconv_dark .ptcconv_comparison-table td{border-color:#4a3e20}.ptcconv_dark .ptcconv_warning-box{background:#2a2010;border-color:#f57c00}.ptcconv_dark .ptcconv_warning-box p{color:#ffcc80}.ptcconv_dark .ptcconv_swap-btn{background:#2a2a3e;border-color:#444;color:#90caf9}.ptcconv_card-header{text-align:center;margin-bottom:10px;padding:16px 10px;border-radius:16px;background:#fff;box-shadow:0 8px 20px rgb(0 0 0 / .1);transition:transform .3s;position:relative}.ptcconv_card-header:hover{transform:translateY(-2px)}.ptcconv_card-header h2{font-size:24px;color:#333;font-weight:600;margin-bottom:8px}.ptcconv_card-header p{font-size:14px;color:#555;margin:0 auto}.ptcconv_darkmode-btn{position:absolute;top:12px;right:12px;background:none;border:2px solid #e0e0e0;border-radius:50px!important;padding:6px 14px;font-size:13px;color:#555;cursor:pointer;transition:.2s;font-weight:600!important}.ptcconv_darkmode-btn:hover{background:#1976d2;color:#fff;border-color:#1976d2}.ptcconv_info-box{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:16px;border-radius:12px;margin-bottom:20px;box-shadow:0 4px 12px rgb(0 0 0 / .15)}.ptcconv_info-box p{margin:0 0 10px 0;font-size:14px;line-height:1.6;font-weight:normal!important}.ptcconv_info-box p:last-child{margin-bottom:0}.ptcconv_info-box strong{font-weight:700!important}.ptcconv_warning-box{background:#fff3cd;border-left:4px solid #ffc107;padding:12px 16px;border-radius:8px;margin:16px 0}.ptcconv_warning-box p{margin:0;font-size:13px;color:#856404;line-height:1.5;font-weight:normal!important}.ptcconv_warning-box strong{color:#d39e00;font-weight:700!important}.ptcconv_input-section{background:#fff;padding:20px;border-radius:16px;box-shadow:0 8px 20px rgb(0 0 0 / .08);margin:0}.ptcconv_section-heading{margin-bottom:16px}.ptcconv_section-heading h4{margin:0 0 8px 0;font-weight:600;font-size:18px;color:#1976d2;border-bottom:2px solid #1976d2;padding-bottom:8px}.ptcconv_input-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}.ptcconv_input-group{flex:1;min-width:200px}.ptcconv_input-group label{display:block;margin-bottom:6px;font-weight:600!important;font-size:14px;color:#1976d2}.ptcconv_input-group input,.ptcconv_input-group select{width:100%;padding:12px 14px;border:1px solid #90caf9;border-radius:12px;font-size:15px;transition:.3s;background:#fff;font-weight:normal!important}.ptcconv_input-group input:focus,.ptcconv_input-group select:focus{outline:none;border-color:#1976d2;box-shadow:0 0 0 3px rgb(25 118 210 / .15)}.ptcconv_input-group input.ptcconv_error,.ptcconv_input-group select.ptcconv_error{border-color:#f44336!important;box-shadow:0 0 0 3px rgb(244 67 54 / .15)!important}.ptcconv_error-msg{color:#f44336;font-size:12px;margin-top:4px;display:none}.ptcconv_error-msg.ptcconv_show{display:block}.ptcconv_checkbox-options{display:flex;flex-direction:column;gap:8px}.ptcconv_checkbox-option{display:flex;align-items:center;gap:10px;padding:12px;border-radius:8px;background:#f8f9fa;border:2px solid #e0e0e0;transition:all 0.2s}.ptcconv_checkbox-option:hover{background-color:#e3f2fd;border-color:#90caf9}.ptcconv_checkbox-option input[type="checkbox"]{-webkit-appearance:checkbox!important;-moz-appearance:checkbox!important;appearance:checkbox!important;width:20px!important;height:20px!important;min-width:20px!important;min-height:20px!important;cursor:pointer!important;accent-color:#1976d2!important;border:2px solid #1976d2!important;border-radius:4px!important;flex-shrink:0!important;margin:0!important;padding:0!important;background:#fff!important}.ptcconv_checkbox-option input[type="checkbox"]:checked{background:#1976d2!important}.ptcconv_checkbox-option label{cursor:pointer;font-size:14px;margin:0;font-weight:500!important;color:#333;user-select:none;flex:1}.ptcconv_btn-group{display:flex;gap:12px;margin-top:20px}.ptcconv_calculate-btn,.ptcconv_reset-btn{flex:1;padding:14px;border:none;border-radius:12px;font-weight:700!important;font-size:16px;cursor:pointer;transition:.2s}.ptcconv_calculate-btn{background:#1976d2;color:#fff}.ptcconv_calculate-btn:hover{background:#125ea8;transform:translateY(-2px)}.ptcconv_calculate-btn:disabled{background:#ccc;cursor:not-allowed;transform:none}.ptcconv_reset-btn{background:#f44336;color:#fff}.ptcconv_reset-btn:hover{background:#c62828;transform:translateY(-2px)}.ptcconv_result-container{margin-top:30px;background:#fff;padding:24px;border-radius:16px;box-shadow:0 8px 20px rgb(0 0 0 / .1)}.ptcconv_result-container.ptcconv_hidden{display:none}.ptcconv_result-container h3{font-size:22px;color:#1976d2;margin:0 0 20px 0;text-align:center;font-weight:700}.ptcconv_results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.ptcconv_result-card{background:#f5f5f5;padding:20px;border-radius:12px;text-align:center;transition:all 0.3s;box-shadow:0 2px 8px rgb(0 0 0 / .08)}.ptcconv_result-card.ptcconv_primary{background:linear-gradient(135deg,#1976d2 0%,#1565c0 100%);color:#fff;transform:scale(1.05)}.ptcconv_result-card:hover{transform:translateY(-4px);box-shadow:0 6px 16px rgb(0 0 0 / .15)}.ptcconv_result-card.ptcconv_primary:hover{transform:scale(1.05) translateY(-4px)}.ptcconv_result-title{font-size:13px;font-weight:600!important;margin-bottom:8px;opacity:.9}.ptcconv_result-value{font-size:28px;font-weight:700!important;margin-bottom:4px;line-height:1.2;word-break:break-word}.ptcconv_result-unit{font-size:13px;font-weight:500!important;opacity:.8}.ptcconv_copy-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px;justify-content:center}.ptcconv_copy-btn{background:#e3f2fd;border:1px solid #90caf9;border-radius:8px!important;padding:8px 16px;font-size:13px;color:#1976d2;cursor:pointer;transition:.2s;font-weight:600!important}.ptcconv_copy-btn:hover{background:#1976d2;color:#fff}.ptcconv_export-btn{background:#e8f5e9;border:1px solid #a5d6a7;border-radius:8px!important;padding:8px 16px;font-size:13px;color:#2e7d32;cursor:pointer;transition:.2s;font-weight:600!important}.ptcconv_export-btn:hover{background:#2e7d32;color:#fff}.ptcconv_toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(80px);background:#323232;color:#fff;padding:12px 24px;border-radius:24px;font-size:14px;font-weight:600!important;z-index:99999;opacity:0;transition:all .3s;pointer-events:none;white-space:nowrap}.ptcconv_toast.ptcconv_show{opacity:1;transform:translateX(-50%) translateY(0)}.ptcconv_breakdown-section{background:#e3f2fd;padding:20px;border-radius:12px;margin-bottom:20px}.ptcconv_breakdown-section h4{margin:0 0 12px 0;font-size:16px;color:#0d47a1;font-weight:600}.ptcconv_breakdown-section ul{margin:0;padding-left:0;list-style:none}.ptcconv_breakdown-section li{margin-bottom:8px;font-size:14px;color:#0d47a1;position:relative;padding-left:28px;font-weight:normal!important}.ptcconv_breakdown-section li:before{content:"📊 ";position:absolute;left:0}.ptcconv_calculation-steps{background:#f3e5f5;padding:20px;border-radius:12px;margin-bottom:20px}.ptcconv_calculation-steps h4{margin:0 0 12px 0;font-size:16px;color:#4a148c;font-weight:600}.ptcconv_steps-content{font-size:13px;color:#6a1b9a;line-height:1.8;font-weight:normal!important}.ptcconv_steps-content p{margin:8px 0;font-weight:normal!important}.ptcconv_steps-content strong{color:#4a148c;font-weight:700!important}.ptcconv_educational-info{background:linear-gradient(135deg,#e8f5e9 0%,#c8e6c9 100%);padding:20px;border-radius:12px;margin-bottom:20px}.ptcconv_educational-info h4{margin:0 0 12px 0;font-size:16px;color:#2e7d32;font-weight:600}.ptcconv_educational-info p{margin:8px 0;font-size:13px;color:#1b5e20;line-height:1.8;font-weight:normal!important}.ptcconv_educational-info strong{font-weight:700!important}.ptcconv_comparison-table{background:#fff8e1;padding:20px;border-radius:12px;margin-bottom:20px}.ptcconv_comparison-table h4{margin:0 0 16px 0;font-size:16px;color:#f57c00;font-weight:600}.ptcconv_comparison-table table{width:100%;border-collapse:collapse}.ptcconv_comparison-table th,.ptcconv_comparison-table td{padding:10px;text-align:left;border-bottom:1px solid #ffe082;font-size:13px}.ptcconv_comparison-table th{background:#ffecb3;color:#e65100;font-weight:600!important}.ptcconv_comparison-table td{color:#e65100;font-weight:normal!important}.ptcconv_hidden{display:none!important}.ptcconv_swap-btn{background:#e3f2fd;border:2px solid #90caf9;color:#1976d2;padding:10px 18px;border-radius:12px;font-size:18px;font-weight:700!important;cursor:pointer;transition:.2s;display:block;margin:0 auto 16px}.ptcconv_swap-btn:hover{background:#1976d2;color:#fff}.ptcconv_hint{font-size:11px;color:#aaa;margin-top:4px}.ptcconv_quick-section{margin-top:20px;margin-bottom:16px}.ptcconv_quick-label{display:block;margin-bottom:8px;font-weight:600!important;font-size:14px;color:#1976d2}.ptcconv_quick-buttons{display:flex;gap:8px;flex-wrap:wrap}.ptcconv_quick-btn{padding:8px 14px;border:2px solid #90caf9;background:#f0f7ff;color:#1976d2;border-radius:8px!important;font-size:13px;font-weight:600!important;cursor:pointer;transition:all 0.2s}.ptcconv_quick-btn:hover{background:#1976d2;color:#fff;border-color:#1976d2;transform:translateY(-2px)}.ptcconv_quick-btn:active{transform:translateY(0)}.ptcconv_history-section{margin-top:20px;padding:16px;background:#f0f7ff;border-radius:12px;border-left:4px solid #1976d2}.ptcconv_history-title{font-size:14px;font-weight:600!important;color:#1976d2;margin-bottom:10px}.ptcconv_history-list{max-height:150px;overflow-y:auto}.ptcconv_history-item{font-size:12px;color:#555;padding:6px 0;border-bottom:1px solid #ddd;display:flex;justify-content:space-between;align-items:center}.ptcconv_history-item:last-child{border-bottom:none}.ptcconv_history-item .ptcconv_history-value{font-weight:600!important;color:#1976d2}.ptcconv_history-clear{font-size:11px;color:#f44336;cursor:pointer;margin-top:8px;font-weight:600!important;text-decoration:underline}.ptcconv_history-clear:hover{color:#c62828}.ptcconv_dark .ptcconv_quick-btn{background:#2a2a3e;border-color:#444;color:#90caf9}.ptcconv_dark .ptcconv_quick-btn:hover{background:#1976d2}.ptcconv_dark .ptcconv_history-section{background:#2a2a3e;border-left-color:#90caf9}.ptcconv_dark .ptcconv_history-title{color:#90caf9}.ptcconv_dark .ptcconv_history-item{color:#aaa;border-bottom-color:#444}.ptcconv_dark .ptcconv_history-item .ptcconv_history-value{color:#90caf9}@media(max-width:768px){.ptcconv_input-row{flex-direction:column;gap:16px}.ptcconv_input-group{min-width:100%}.ptcconv_input-group input,.ptcconv_input-group select{font-size:16px!important;padding:14px 16px;height:auto!important}.ptcconv_results-grid{grid-template-columns:1fr;gap:12px}.ptcconv_btn-group{flex-direction:column;gap:16px}.ptcconv_calculate-btn,.ptcconv_reset-btn{padding:16px;font-size:18px}.ptcconv_card-header h2{font-size:20px}.ptcconv_result-value{font-size:22px}.ptcconv_comparison-table{overflow-x:auto;-webkit-overflow-scrolling:touch;display:block}.ptcconv_copy-bar{flex-direction:column;align-items:stretch}.ptcconv_darkmode-btn{top:8px;right:8px;padding:5px 10px;font-size:12px}}@media print{.ptcconv_main-container{background:#fff!important;color:#000!important}.ptcconv_darkmode-btn,.ptcconv_btn-group,.ptcconv_copy-bar,.ptcconv_quick-section,.ptcconv_history-section,.ptcconv_toast{display:none!important}.ptcconv_card-header,.ptcconv_input-section,.ptcconv_result-container{box-shadow:none!important;border:1px solid #ddd!important}.ptcconv_result-container{display:block!important}.ptcconv_checkbox-options{display:none!important}body{background:#fff!important}.ptcconv_main-container *{color:#000!important}.ptcconv_result-card.ptcconv_primary{background:#f0f0f0!important;border:2px solid #000!important}}