.pwg-calculator-container{--pwg-primary: #ec4899;--pwg-secondary: #f472b6;--pwg-accent: #f9a8d4;--pwg-light: #fdf2f8;--pwg-bg: #fdf2f8;--pwg-text: #1f2937;--pwg-text-light: #6b7280;--pwg-border: #e5e7eb;--pwg-radius: 12px;--pwg-shadow: 0 4px 6px -1px rgba(0,0,0,.1);--pwg-shadow-lg: 0 10px 25px -5px rgba(0,0,0,.15);max-width:900px;margin:0 auto;font-family:system-ui,-apple-system,sans-serif}.pwg-hidden{display:none!important}.pwg-title{font-size:2rem;font-weight:800;color:var(--pwg-primary);margin:0 0 .5rem}.pwg-description{color:var(--pwg-text-light);font-size:1.1rem;margin:0}.pwg-unit-toggle-wrapper{display:flex;justify-content:center;margin-bottom:1.5rem}.pwg-unit-toggle{display:flex;background:#f3f4f6;border-radius:12px;padding:4px;position:relative;gap:4px}.pwg-unit-btn{display:flex;flex-direction:column;align-items:center;padding:.6rem 1.5rem;border:none;background:transparent;border-radius:10px;cursor:pointer;transition:all .2s ease;z-index:1}.pwg-unit-btn.active{background:#fff;box-shadow:var(--pwg-shadow)}.pwg-unit-icon{font-size:1.2rem}.pwg-unit-label{font-size:.85rem;font-weight:600;color:var(--pwg-text)}.pwg-unit-detail{font-size:.7rem;color:var(--pwg-text-light)}.pwg-formula-container{background:linear-gradient(135deg,var(--pwg-bg) 0%,var(--pwg-light) 100%);border-radius:var(--pwg-radius);padding:1.5rem;margin-bottom:1.5rem;border:1px solid var(--pwg-border)}.pwg-formula-title{font-size:1.1rem;font-weight:700;color:var(--pwg-primary);margin:0 0 1rem;text-align:center}.pwg-formula-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}.pwg-formula-card{background:#fff;border-radius:8px;padding:1rem;text-align:center;box-shadow:var(--pwg-shadow)}.pwg-formula-label{font-size:.85rem;font-weight:600;color:var(--pwg-secondary);margin:0 0 .5rem}.pwg-formula-math{font-size:.95rem;color:var(--pwg-text);overflow-x:auto}.pwg-form{background:#fff;border-radius:var(--pwg-radius);padding:1.5rem;box-shadow:var(--pwg-shadow);margin-bottom:1.5rem}.pwg-input-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-bottom:1rem}.pwg-input-group{display:flex;flex-direction:column}.pwg-label{font-size:.85rem;font-weight:600;color:var(--pwg-text);margin-bottom:.5rem}.pwg-label-unit{font-size:.75rem;color:var(--pwg-text-light);margin-left:4px}.pwg-input-wrapper{position:relative;display:flex;align-items:center}.pwg-input{width:100%;padding:.75rem 1rem;border:2px solid var(--pwg-border);border-radius:8px;font-size:1rem;transition:all .2s ease}.pwg-input:focus{outline:none;border-color:var(--pwg-primary);box-shadow:0 0 0 3px #ec48991a}.pwg-input-suffix{position:absolute;right:.75rem;color:var(--pwg-text-light);font-size:.85rem;font-weight:500}.pwg-button-group{display:flex;gap:1rem}.pwg-calculate-btn{flex:1;padding:1rem;background:linear-gradient(135deg,var(--pwg-primary),var(--pwg-secondary));color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease}.pwg-calculate-btn:hover{transform:translateY(-2px);box-shadow:var(--pwg-shadow-lg)}.pwg-reset-btn{padding:1rem 1.5rem;background:var(--pwg-border);color:var(--pwg-text);border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.pwg-reset-btn:hover{background:#d1d5db}.pwg-results{background:linear-gradient(135deg,var(--pwg-primary),var(--pwg-secondary));border-radius:var(--pwg-radius);padding:1.5rem;margin-bottom:2rem}.pwg-results-title{color:#fff;font-size:1.25rem;font-weight:700;margin:0 0 1rem;text-align:center}.pwg-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem}.pwg-result-card{background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:10px;padding:1rem;text-align:center}.pwg-result-card.primary{background:#fffffff2}.pwg-result-card.primary .result-label,.pwg-result-card.primary .result-value{color:var(--pwg-primary)}.pwg-result-card.highlight{background:#ffffffe6}.pwg-result-card.highlight .result-label,.pwg-result-card.highlight .result-value{color:var(--pwg-secondary)}.pwg-result-card .result-label{display:block;font-size:.75rem;color:#ffffffe6;margin-bottom:.25rem;font-weight:500}.pwg-result-card .result-value{display:block;font-size:1.25rem;font-weight:800;color:#fff}.pwg-content{margin-top:2rem}.pwg-content-section{margin-bottom:2.5rem}.pwg-section-title{font-size:1.5rem;font-weight:700;color:var(--pwg-primary);margin:0 0 1rem;padding-bottom:.5rem;border-bottom:3px solid var(--pwg-light)}.pwg-paragraph{color:var(--pwg-text);line-height:1.7;margin:0 0 1rem}.pwg-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:1.5rem 0}.pwg-feature-card{background:var(--pwg-bg);border-radius:10px;padding:1.25rem;text-align:center;border:1px solid var(--pwg-border)}.pwg-feature-card .feature-icon{font-size:2rem;display:block;margin-bottom:.5rem}.pwg-feature-card .feature-title{font-size:1rem;font-weight:700;color:var(--pwg-primary);margin:0 0 .5rem}.pwg-feature-card .feature-desc{font-size:.85rem;color:var(--pwg-text-light);margin:0}.pwg-table-wrapper{overflow-x:auto;margin:1.5rem 0}.pwg-data-table{width:100%;border-collapse:collapse;font-size:.9rem}.pwg-data-table th{background:var(--pwg-primary);color:#fff;padding:.75rem 1rem;text-align:left;font-weight:600}.pwg-data-table td{padding:.75rem 1rem;border-bottom:1px solid var(--pwg-border);color:var(--pwg-text)}.pwg-data-table tr:nth-child(2n){background:var(--pwg-bg)}.pwg-tips-list{display:flex;flex-direction:column;gap:1rem;margin:1.5rem 0}.pwg-tip-item{display:flex;gap:1rem;padding:1rem;background:#fff;border-radius:10px;border:1px solid var(--pwg-border)}.pwg-tip-item .tip-icon{font-size:1.5rem;flex-shrink:0}.pwg-tip-item .tip-title{font-size:1rem;font-weight:700;color:var(--pwg-primary);margin:0 0 .25rem}.pwg-tip-item .tip-text{font-size:.9rem;color:var(--pwg-text);margin:0;line-height:1.6}.pwg-faq-list{display:flex;flex-direction:column;gap:.5rem;margin:1.5rem 0}.pwg-faq-item{border:1px solid var(--pwg-border);border-radius:10px;overflow:hidden}.pwg-faq-question{padding:1rem 1.25rem;font-weight:600;color:var(--pwg-text);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}.pwg-faq-question::-webkit-details-marker{display:none}.pwg-faq-question:after{content:"+";font-size:1.25rem;color:var(--pwg-primary);font-weight:700}.pwg-faq-item[open] .pwg-faq-question:after{content:"−"}.pwg-faq-item[open] .pwg-faq-question{border-bottom:1px solid var(--pwg-border);background:var(--pwg-bg)}.pwg-faq-answer{padding:1rem 1.25rem;color:var(--pwg-text);line-height:1.6;margin:0;font-size:.9rem}@media (max-width: 640px){.pwg-title{font-size:1.5rem}.pwg-formula-grid,.pwg-input-grid{grid-template-columns:1fr}.pwg-button-group{flex-direction:column}.pwg-results-grid{grid-template-columns:repeat(2,1fr)}}