:root{--bec-primary:#3b82f6;--bec-primary-light:#eff6ff;--bec-primary-dark:#1e40af;--bec-accent:#6366f1;--bec-revenue:#10b981;--bec-cost:#ef4444;--bec-target:#f59e0b;--bec-text:#1e293b;--bec-text-secondary:#475569;--bec-text-muted:#64748b;--bec-bg:#fff;--bec-bg-secondary:#f8fafc;--bec-border:#e2e8f0;--bec-border-light:#f1f5f9;--bec-radius:var(--main-radius,.5rem);--bec-radius-lg:var(--main-radius-lg,.75rem);--bec-shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--bec-shadow-md:0 4px 12px #00000014;--ch-bg:var(--bec-bg);--ch-primary:var(--bec-primary);--ch-primary-ring:#3b82f626;--ch-text:var(--bec-text);--ch-text-secondary:var(--bec-text-secondary);--ch-border:var(--bec-border);--ch-border-hover:#94a3b8;--ch-bg-hover:var(--bec-bg-secondary);--ch-radius:var(--bec-radius);--ch-dropdown-bg:var(--bec-bg);--ch-dropdown-shadow:var(--bec-shadow-md);--ch-item-hover:var(--bec-bg-secondary);--ch-item-active:var(--bec-primary-light);--ch-item-active-text:var(--bec-primary-dark);--ch-search-bg:var(--bec-bg);--ch-search-border:var(--bec-border);--ch-search-focus:var(--bec-primary)}._bec-container{max-width:640px;margin:0 auto}._bec-body{flex-direction:column;gap:1.5rem;display:flex}._bec-hidden{display:none!important}._bec-description{background:var(--bec-bg);border-radius:var(--bec-radius);border-style:dashed;border-width:1px;border-color:var(--bec-border);color:var(--bec-text-muted);align-items:flex-start;gap:.5rem;padding:.75rem 1rem;font-size:.8125rem;line-height:1.5;display:flex}._bec-description svg{color:var(--bec-accent);flex-shrink:0;margin-top:.125rem}._bec-actions{justify-content:center;display:flex}._bec-reset{color:var(--bec-text-muted);background:var(--bec-bg);border-style:solid;border-width:1px;border-color:var(--bec-border);border-radius:var(--bec-radius);cursor:pointer;align-items:center;gap:.375rem;padding:.5rem 1.25rem;font-size:.8125rem;font-weight:500;transition:color .15s,border-color .15s;display:inline-flex}._bec-reset:hover{color:var(--bec-text);border-color:#cbd5e1}@media (max-width:768px){._bec-container{padding-left:1rem;padding-right:1rem}}._bec-input-section{background:var(--bec-bg);border-radius:var(--bec-radius-lg);border-style:solid;border-width:1px;border-color:var(--bec-border);box-shadow:var(--bec-shadow);flex-direction:column;gap:1rem;padding:1.25rem;display:flex}._bec-currency-row{justify-content:flex-end;display:flex}._bec-field{flex-direction:column;gap:.375rem;display:flex}._bec-label-row{align-items:center;gap:.375rem;display:flex}._bec-label{color:var(--bec-text-secondary);font-size:.8125rem;font-weight:500}._bec-optional{color:var(--bec-text-muted);font-size:.75rem;font-weight:400}._bec-tooltip{color:var(--bec-text-muted);cursor:help;align-items:center;display:inline-flex;position:relative}._bec-tooltip:hover:after{content:attr(data-tooltip);background:var(--bec-text);color:#fff;border-radius:var(--bec-radius);white-space:normal;z-index:10;pointer-events:none;width:max-content;max-width:220px;box-shadow:var(--bec-shadow-md);padding:.5rem .625rem;font-size:.6875rem;font-weight:400;line-height:1.4;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%)}._bec-input-wrap{background:var(--bec-bg-secondary);border-style:solid;border-width:1.5px;border-color:var(--bec-border);border-radius:var(--bec-radius);align-items:center;gap:.5rem;padding:.625rem .875rem;transition:border-color .15s,box-shadow .15s;display:flex}._bec-input-wrap:focus-within{border-color:var(--bec-primary);box-shadow:0 0 0 3px #3b82f61a}._bec-input{color:var(--bec-text);background:0 0;border:none;outline:none;flex:1;min-width:0;font-family:inherit;font-size:1rem;font-weight:600}._bec-input--lg{font-size:1.25rem;font-weight:700}._bec-input::placeholder{color:var(--bec-border);font-weight:400}._bec-input-prefix{color:var(--bec-text-muted);flex-shrink:0;font-size:.875rem;font-weight:600}._bec-input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}._bec-input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}._bec-input[type=number]{-moz-appearance:textfield}._bec-examples{flex-wrap:wrap;align-items:center;gap:.5rem;padding-top:.25rem;display:flex}._bec-examples-label{color:var(--bec-text-muted);font-size:.75rem}._bec-examples-list{flex-wrap:wrap;gap:.375rem;display:flex}._bec-example{color:var(--bec-text-secondary);background:var(--bec-bg-secondary);border-style:solid;border-width:1px;border-color:var(--bec-border);border-radius:var(--bec-radius);cursor:pointer;padding:.3125rem .75rem;font-size:.75rem;font-weight:500;transition:color .15s,background .15s,border-color .15s}._bec-example:hover{color:var(--bec-text);border-color:#cbd5e1}._bec-example--active{color:#fff;background:var(--bec-primary);border-color:var(--bec-primary)}@media (max-width:480px){._bec-input-section{padding:1rem}._bec-input--lg{font-size:1.125rem}._bec-tooltip:hover:after{left:0;transform:none}}._bec-results{flex-direction:column;gap:1rem;display:flex}._bec-result-primary{background:linear-gradient(135deg, var(--bec-primary), var(--bec-primary-dark));border-radius:var(--bec-radius-lg);text-align:center;color:#fff;padding:1.25rem 1.5rem;box-shadow:0 4px 16px #3b82f640}._bec-result-primary-label{opacity:.85;margin-bottom:.25rem;font-size:.8125rem;font-weight:500}._bec-result-primary-value{font-size:2rem;font-weight:800;font-family:var(--main-font-mono);letter-spacing:-.02em}._bec-summary-grid{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}._bec-summary-card{background:var(--bec-bg);border-radius:var(--bec-radius-lg);border-style:solid;border-width:1px;border-color:var(--bec-border);box-shadow:var(--bec-shadow);flex-direction:column;gap:.25rem;padding:1rem 1.25rem;display:flex}._bec-summary-label{color:var(--bec-text-muted);font-size:.75rem;font-weight:500}._bec-summary-value{color:var(--bec-text);font-size:1.125rem;font-weight:700;font-family:var(--main-font-mono)}._bec-target-result{background:var(--bec-bg);border-radius:var(--bec-radius-lg);border-style:solid;border-width:1px;border-color:var(--bec-target);box-shadow:var(--bec-shadow);border-left-width:3px;flex-direction:column;gap:.5rem;padding:1rem 1.25rem;display:flex}._bec-target-row{justify-content:space-between;align-items:center;display:flex}._bec-target-label{color:var(--bec-text-secondary);font-size:.8125rem}._bec-target-value{color:var(--bec-target);font-size:.9375rem;font-weight:600;font-family:var(--main-font-mono)}._bec-scenarios{background:var(--bec-bg);border-radius:var(--bec-radius-lg);border-style:solid;border-width:1px;border-color:var(--bec-border);box-shadow:var(--bec-shadow);overflow:hidden}._bec-scenarios-toggle{width:100%;color:var(--bec-text);cursor:pointer;background:0 0;border:0 solid #0000;justify-content:space-between;align-items:center;padding:.875rem 1.25rem;font-size:.8125rem;font-weight:600;transition:color .15s;display:flex}._bec-scenarios-toggle:hover{color:var(--bec-primary)}._bec-toggle-icon{color:var(--bec-text-muted);display:inline-flex}._bec-scenarios-body{flex-direction:column;gap:1rem;padding:0 1.25rem 1.25rem;display:flex}._bec-scenario-field{flex-direction:column;gap:.375rem;display:flex}._bec-scenario-label-row{justify-content:space-between;align-items:center;display:flex}._bec-scenario-value{font-size:.8125rem;font-weight:600;font-family:var(--main-font-mono);color:var(--bec-primary);text-align:right;min-width:3rem}._bec-slider{-webkit-appearance:none;appearance:none;background:var(--bec-border-light);cursor:pointer;border-radius:3px;outline:none;width:100%;height:6px}._bec-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:var(--bec-primary);cursor:pointer;border-radius:50%;width:18px;height:18px;box-shadow:0 1px 4px #00000026}._bec-slider::-moz-range-thumb{background:var(--bec-primary);cursor:pointer;border:none;border-radius:50%;width:18px;height:18px;box-shadow:0 1px 4px #00000026}._bec-scenario-result{background:var(--bec-primary-light);border-radius:var(--bec-radius);justify-content:space-between;align-items:center;padding:.75rem 1rem;display:flex}._bec-scenario-result-label{color:var(--bec-text-secondary);font-size:.8125rem;font-weight:500}._bec-scenario-result-value{color:var(--bec-primary-dark);font-size:1rem;font-weight:700;font-family:var(--main-font-mono)}@media (max-width:480px){._bec-result-primary-value{font-size:1.625rem}._bec-summary-grid{grid-template-columns:1fr}._bec-summary-value{font-size:1rem}._bec-target-row{flex-direction:column;align-items:flex-start;gap:.125rem}}._bec-chart-card{background:var(--bec-bg);border-radius:var(--bec-radius-lg);border-style:solid;border-width:1px;border-color:var(--bec-border);box-shadow:var(--bec-shadow);padding:1.25rem}._bec-chart-header{margin-bottom:1rem}._bec-chart-title{color:var(--bec-text);margin:0;font-size:.875rem;font-weight:600}._bec-chart-wrapper{height:280px;min-height:280px;position:relative}@media (max-width:480px){._bec-chart-wrapper{height:220px;min-height:220px}._bec-chart-card{padding:1rem}}