.dpr-calc{--dpr-primary: #7c3aed;--dpr-secondary: #8b5cf6;--dpr-accent: #c4b5fd;--dpr-bg: #f5f3ff;--dpr-card-bg: #ffffff;--dpr-text: #4c1d95;--dpr-text-muted: #6d28d9;--dpr-border: #ddd6fe;--dpr-shadow: 0 4px 20px rgba(124, 58, 237, .12);max-width:900px;margin:0 auto;font-family:system-ui,-apple-system,sans-serif}.dpr-header{text-align:center;margin-bottom:2rem}.dpr-title{font-size:2rem;font-weight:800;color:var(--dpr-primary);margin:0 0 .5rem}.dpr-description{color:var(--dpr-text-muted);font-size:1.1rem;margin:0}.dpr-formula-container{background:linear-gradient(135deg,var(--dpr-bg) 0%,#ede9fe 100%);border-radius:16px;padding:1.5rem;margin-bottom:2rem;border:1px solid var(--dpr-border)}.dpr-formula-title{font-size:1.1rem;font-weight:700;color:var(--dpr-primary);margin:0 0 1rem;text-align:center}.dpr-formula-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.dpr-formula-card{background:var(--dpr-card-bg);border-radius:12px;padding:1rem;text-align:center}.dpr-formula-label{display:block;font-size:.85rem;font-weight:600;color:var(--dpr-text-muted);margin-bottom:.5rem}.dpr-formula-math{font-size:.9rem;color:var(--dpr-text);overflow-x:auto}.dpr-form-container{background:var(--dpr-card-bg);border-radius:16px;padding:1.5rem;box-shadow:var(--dpr-shadow);margin-bottom:2rem}.dpr-form{display:flex;flex-direction:column;gap:1.25rem}.dpr-input-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.dpr-input-group{display:flex;flex-direction:column;gap:.5rem}.dpr-label{font-weight:600;font-size:.9rem;color:var(--dpr-text)}.dpr-input{width:100%;padding:.875rem 1rem;border:2px solid var(--dpr-border);border-radius:10px;font-size:1rem;background:var(--dpr-bg);box-sizing:border-box}.dpr-input:focus{outline:none;border-color:var(--dpr-primary);background:#fff}.dpr-buttons{display:flex;gap:1rem;margin-top:.5rem}.dpr-btn{flex:1;padding:1rem;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer}.dpr-btn-primary{background:linear-gradient(135deg,var(--dpr-primary) 0%,var(--dpr-secondary) 100%);color:#fff}.dpr-btn-secondary{background:var(--dpr-bg);color:var(--dpr-text-muted);border:2px solid var(--dpr-border)}.dpr-results{background:var(--dpr-card-bg);border-radius:16px;padding:1.5rem;box-shadow:var(--dpr-shadow);margin-bottom:2rem}.dpr-results-title{font-size:1.25rem;font-weight:700;color:var(--dpr-primary);margin:0 0 1.5rem;text-align:center}.dpr-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}.dpr-result-card{background:var(--dpr-bg);border-radius:12px;padding:1.25rem;text-align:center}.dpr-result-main{grid-column:1 / -1;background:linear-gradient(135deg,var(--dpr-primary) 0%,var(--dpr-secondary) 100%)}.dpr-result-main .dpr-result-label,.dpr-result-main .dpr-result-value{color:#fff}.dpr-result-label{display:block;font-size:.8rem;font-weight:600;color:var(--dpr-text-muted);margin-bottom:.25rem}.dpr-result-value{display:block;font-size:1.75rem;font-weight:800;color:var(--dpr-primary)}.dpr-content{margin-top:3rem}.dpr-content-section{margin-bottom:2.5rem}.dpr-content-title{font-size:1.5rem;font-weight:700;color:var(--dpr-text);margin:0 0 1rem;padding-bottom:.5rem;border-bottom:3px solid var(--dpr-primary)}.dpr-content-text{color:var(--dpr-text-muted);line-height:1.7;margin:0 0 1rem}.dpr-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}.dpr-feature-card{background:var(--dpr-bg);border-radius:12px;padding:1.25rem;text-align:center}.dpr-feature-icon{font-size:2rem;display:block;margin-bottom:.75rem}.dpr-feature-title{font-size:1rem;font-weight:700;color:var(--dpr-text);margin:0 0 .5rem}.dpr-feature-desc{font-size:.85rem;color:var(--dpr-text-muted);margin:0}.dpr-table-wrapper{overflow-x:auto;border-radius:12px;margin-top:1.5rem}.dpr-table{width:100%;border-collapse:collapse;background:#fff;font-size:.9rem}.dpr-table th{background:var(--dpr-primary);color:#fff;padding:.875rem 1rem;text-align:left}.dpr-table td{padding:.75rem 1rem;border-bottom:1px solid var(--dpr-border)}.dpr-table-highlight{font-weight:700;color:var(--dpr-primary)}.dpr-tips-grid{display:grid;gap:1rem;margin-top:1.5rem}.dpr-tip-card{display:flex;gap:1rem;background:var(--dpr-card-bg);border-radius:12px;padding:1.25rem;border-left:4px solid var(--dpr-primary)}.dpr-tip-icon{font-size:1.5rem}.dpr-tip-title{font-size:1rem;font-weight:700;color:var(--dpr-text);margin:0 0 .5rem}.dpr-tip-text{font-size:.9rem;color:var(--dpr-text-muted);margin:0}.dpr-faqs{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.dpr-faq-item{background:var(--dpr-card-bg);border-radius:12px;padding:1.25rem}.dpr-faq-question{font-size:1rem;font-weight:700;color:var(--dpr-primary);margin:0 0 .75rem}.dpr-faq-answer{font-size:.9rem;color:var(--dpr-text-muted);margin:0;line-height:1.6}@media (max-width: 768px){.dpr-input-grid{grid-template-columns:1fr}.dpr-results-grid{grid-template-columns:repeat(2,1fr)}}