.stock-calculator{--stock-primary: #1e40af;--stock-primary-dark: #1e3a8a;--stock-primary-light: #3b82f6;--stock-secondary: #60a5fa;--stock-accent: #172554;--stock-bg: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);--stock-card-bg: #ffffff;--stock-text: #1f2937;--stock-text-muted: #6b7280;--stock-border: #bfdbfe;--stock-profit: #059669;--stock-profit-bg: #d1fae5;--stock-loss: #dc2626;--stock-loss-bg: #fee2e2;font-family:system-ui,-apple-system,sans-serif;max-width:900px;margin:0 auto}.stock-header{text-align:center;margin-bottom:2rem}.stock-title{font-size:2rem;font-weight:800;color:var(--stock-accent);margin:0 0 .5rem}.stock-description{color:var(--stock-text-muted);font-size:1.1rem;margin:0}.stock-formula-section{background:var(--stock-bg);border-radius:16px;padding:1.5rem;margin-bottom:2rem;border:1px solid var(--stock-border)}.stock-formula-title{font-size:1.1rem;font-weight:700;color:var(--stock-accent);margin:0 0 1rem;text-align:center}.stock-formula-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.stock-formula-card{background:var(--stock-card-bg);border-radius:12px;padding:1rem;text-align:center;box-shadow:0 2px 8px #1e40af1a}.stock-formula-label{display:block;font-size:.85rem;font-weight:600;color:var(--stock-primary);margin-bottom:.5rem}.stock-formula-math{font-size:1rem;color:var(--stock-text);overflow-x:auto}.stock-form{background:var(--stock-card-bg);border-radius:16px;padding:1.5rem;box-shadow:0 4px 20px #1e40af1a;margin-bottom:2rem}.stock-form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.stock-input-group{display:flex;flex-direction:column;gap:.5rem}.stock-input-group label{font-size:.9rem;font-weight:600;color:var(--stock-text)}.stock-input-group input{padding:.75rem 1rem;border:2px solid #e5e7eb;border-radius:10px;font-size:1rem;transition:all .2s ease}.stock-input-group input:focus{outline:none;border-color:var(--stock-primary);box-shadow:0 0 0 3px #1e40af1a}.stock-buttons{display:flex;gap:1rem}.stock-calculate-btn{flex:1;padding:1rem;background:linear-gradient(135deg,var(--stock-primary) 0%,var(--stock-primary-light) 100%);color:#fff;border:none;border-radius:12px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease}.stock-calculate-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #1e40af4d}.stock-reset-btn{padding:1rem 1.5rem;background:#f3f4f6;color:var(--stock-text-muted);border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.stock-reset-btn:hover{background:#e5e7eb}.stock-results{background:var(--stock-card-bg);border-radius:16px;padding:1.5rem;box-shadow:0 4px 20px #1e40af1a;margin-bottom:2rem;border:2px solid var(--stock-border)}.stock-results-title{font-size:1.3rem;font-weight:700;color:var(--stock-accent);margin:0 0 1rem;text-align:center}.stock-indicator{display:flex;align-items:center;justify-content:center;gap:1rem;padding:1.5rem;border-radius:12px;margin-bottom:1.5rem}.stock-indicator.stock-profit{background:var(--stock-profit-bg);border:2px solid var(--stock-profit)}.stock-indicator.stock-loss{background:var(--stock-loss-bg);border:2px solid var(--stock-loss)}.stock-indicator.stock-breakeven{background:#f3f4f6;border:2px solid #9ca3af}.stock-indicator-icon{font-size:2.5rem}.stock-indicator-text{font-size:1.5rem;font-weight:700}.stock-indicator.stock-profit .stock-indicator-text{color:var(--stock-profit)}.stock-indicator.stock-loss .stock-indicator-text{color:var(--stock-loss)}.stock-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-bottom:1.5rem}.stock-result-card{background:#f9fafb;border-radius:12px;padding:1rem;text-align:center}.stock-result-card.stock-result-primary{grid-column:span 2}.stock-result-card.stock-result-profit{background:var(--stock-profit-bg);border:2px solid var(--stock-profit)}.stock-result-card.stock-result-profit .stock-result-value{color:var(--stock-profit)}.stock-result-card.stock-result-loss{background:var(--stock-loss-bg);border:2px solid var(--stock-loss)}.stock-result-card.stock-result-loss .stock-result-value{color:var(--stock-loss)}.stock-result-label{display:block;font-size:.8rem;color:var(--stock-text-muted);margin-bottom:.25rem}.stock-result-value{font-size:1.2rem;font-weight:700;color:var(--stock-accent)}.stock-result-card.stock-result-primary .stock-result-value{font-size:1.5rem}.stock-breakdown{background:#f9fafb;border-radius:12px;padding:1rem}.stock-breakdown-title{font-size:.9rem;font-weight:600;color:var(--stock-text);margin-bottom:.75rem;text-align:center}.stock-breakdown-bar{display:flex;height:32px;border-radius:8px;overflow:hidden;margin-bottom:.75rem;background:#e5e7eb}.stock-bar-segment{transition:width .5s ease}.stock-bar-cost{background:var(--stock-primary)}.stock-bar-profit{background:var(--stock-profit)}.stock-bar-loss{background:var(--stock-loss)}.stock-breakdown-legend{display:flex;justify-content:center;gap:1.5rem}.stock-legend-item{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--stock-text-muted)}.stock-legend-color{width:12px;height:12px;border-radius:3px}.stock-legend-color.cost{background:var(--stock-primary)}.stock-legend-color.profit{background:var(--stock-profit)}.stock-legend-color.loss{background:var(--stock-loss)}.stock-content{margin-top:3rem}.stock-content-section{margin-bottom:2.5rem}.stock-content-section h2{font-size:1.5rem;font-weight:700;color:var(--stock-accent);margin:0 0 1rem;padding-bottom:.5rem;border-bottom:3px solid var(--stock-border)}.stock-content-section p{color:var(--stock-text);line-height:1.7;margin-bottom:1rem}.stock-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}.stock-feature-card{background:var(--stock-bg);border-radius:12px;padding:1.25rem;text-align:center;border:1px solid var(--stock-border)}.stock-feature-icon{font-size:2rem;display:block;margin-bottom:.75rem}.stock-feature-card h4{font-size:1rem;font-weight:700;color:var(--stock-accent);margin:0 0 .5rem}.stock-feature-card p{font-size:.9rem;color:var(--stock-text-muted);margin:0;line-height:1.5}.stock-tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}.stock-tip-card{background:#eff6ff;border-radius:12px;padding:1.25rem;border-left:4px solid var(--stock-primary)}.stock-tip-icon{font-size:1.5rem;display:block;margin-bottom:.5rem}.stock-tip-card h4{font-size:.95rem;font-weight:700;color:var(--stock-accent);margin:0 0 .5rem}.stock-tip-card p{font-size:.9rem;color:var(--stock-text-muted);margin:0;line-height:1.5}.stock-tips-list{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.stock-tip-item{display:flex;gap:1rem;padding:1.25rem;background:#eff6ff;border-radius:12px;border:1px solid var(--stock-border)}.stock-tip-item .stock-tip-icon{font-size:1.75rem;flex-shrink:0;margin-bottom:0}.stock-tip-content h4{font-size:1rem;font-weight:700;color:var(--stock-accent);margin:0 0 .5rem}.stock-tip-content p{font-size:.95rem;color:var(--stock-text);margin:0;line-height:1.6}.stock-table-wrapper{overflow-x:auto;margin-top:1.5rem;border-radius:12px;border:1px solid var(--stock-border)}.stock-table{width:100%;border-collapse:collapse;font-size:.9rem}.stock-table th{background:var(--stock-bg);padding:1rem;text-align:left;font-weight:700;color:var(--stock-accent);border-bottom:2px solid var(--stock-border)}.stock-table td{padding:1rem;border-bottom:1px solid #f3f4f6;color:var(--stock-text)}.stock-table tr:last-child td{border-bottom:none}.stock-table tr:hover td{background:#eff6ff}.stock-faq-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}.stock-faq-item{background:#eff6ff;border-radius:12px;border:1px solid var(--stock-border);overflow:hidden}.stock-faq-item summary{padding:1rem 1.25rem;font-weight:600;color:var(--stock-accent);cursor:pointer;display:flex;justify-content:space-between;align-items:center;list-style:none}.stock-faq-item summary::-webkit-details-marker{display:none}.stock-faq-item summary:after{content:"+";font-size:1.5rem;font-weight:300;color:var(--stock-primary);transition:transform .3s ease}.stock-faq-item[open] summary:after{transform:rotate(45deg)}.stock-faq-item p{padding:0 1.25rem 1rem;margin:0;color:var(--stock-text);line-height:1.6}@media (max-width: 640px){.stock-title{font-size:1.5rem}.stock-formula-grid,.stock-form-grid{grid-template-columns:1fr}.stock-buttons{flex-direction:column}.stock-result-card.stock-result-primary{grid-column:span 1}.stock-results-grid{grid-template-columns:1fr 1fr}.stock-tip-item{flex-direction:column}.stock-indicator-text{font-size:1.2rem}}