:root{--iwc-primary:#059669;--iwc-primary-light:#d1fae5;--iwc-primary-dark:#047857;--iwc-text:#1e293b;--iwc-text-secondary:#475569;--iwc-text-muted:#64748b;--iwc-bg:#fff;--iwc-bg-secondary:#f8fafc;--iwc-border:#e2e8f0;--iwc-radius:var(--main-radius,.5rem);--iwc-radius-lg:var(--main-radius-lg,.75rem);--iwc-shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--iwc-shadow-md:0 4px 12px #00000014;--iwc-color-below:#3b82f6;--iwc-color-ideal:#10b981;--iwc-color-above:#f59e0b}._iwc-container{gap:var(--main-space-4,1rem);flex-direction:column;max-width:680px;margin:0 auto;display:flex}._iwc-hidden{display:none!important}@media (max-width:768px){._iwc-container{padding-left:1rem;padding-right:1rem}}._iwc-controls{gap:var(--main-space-4,1rem);flex-wrap:wrap;display:flex}._iwc-control-group{align-items:center;gap:.5rem;display:flex}._iwc-control-label{font-size:var(--main-text-sm,.875rem);color:var(--iwc-text-secondary);white-space:nowrap;font-weight:500}._iwc-toggle-group{background:var(--iwc-bg-secondary);border-radius:var(--iwc-radius);border-style:solid;border-width:1px;border-color:var(--iwc-border);gap:2px;padding:2px;display:flex}._iwc-toggle-btn{border-radius:calc(var(--iwc-radius) - 2px);font-size:var(--main-text-sm,.875rem);color:var(--iwc-text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;align-items:center;gap:.375rem;padding:.375rem .75rem;font-weight:500;transition:color .15s,background .15s;display:inline-flex}._iwc-toggle-btn:hover{color:var(--iwc-text)}._iwc-toggle-active{background:var(--iwc-bg);color:var(--iwc-primary);box-shadow:var(--iwc-shadow)}._iwc-toggle-active:hover{color:var(--iwc-primary-dark);opacity:1}@media (max-width:480px){._iwc-controls{flex-direction:column;gap:.75rem}}._iwc-input-section{background:var(--iwc-bg);border-radius:var(--iwc-radius-lg);border-style:solid;border-width:1px;border-color:var(--iwc-border);box-shadow:var(--iwc-shadow);padding:var(--main-space-5,1.25rem);gap:var(--main-space-4,1rem);flex-direction:column;display:flex}._iwc-field-group{gap:var(--main-space-3,.75rem);grid-template-columns:1fr 1fr;display:grid}._iwc-field{flex-direction:column;gap:.375rem;display:flex}._iwc-label{font-size:var(--main-text-sm,.875rem);color:var(--iwc-text-secondary);align-items:center;gap:.375rem;font-weight:500;display:flex}._iwc-optional{font-size:var(--main-text-xs,.75rem);color:var(--iwc-text-muted);font-weight:400}._iwc-input-wrapper{align-items:center;display:flex;position:relative}._iwc-input{border-style:solid;border-width:1.5px;border-color:var(--iwc-border);border-radius:var(--iwc-radius);width:100%;font-size:var(--main-text-sm,.875rem);color:var(--iwc-text);background:var(--iwc-bg);-moz-appearance:textfield;outline:none;padding:.5rem 2.75rem .5rem .75rem;transition:border-color .15s,box-shadow .15s}._iwc-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}._iwc-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}._iwc-input:focus{border-color:var(--iwc-primary);box-shadow:0 0 0 3px #0596691a}._iwc-unit{font-size:var(--main-text-xs,.75rem);color:var(--iwc-text-muted);pointer-events:none;font-weight:500;position:absolute;right:.625rem}._iwc-input-row-inline{gap:.5rem;display:flex}._iwc-presets{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}._iwc-presets-label{font-size:var(--main-text-xs,.75rem);color:var(--iwc-text-muted);white-space:nowrap}._iwc-presets-buttons{flex-wrap:wrap;gap:.375rem;display:flex}._iwc-preset,._iwc-preset-imperial{border-radius:var(--iwc-radius);border-style:solid;border-width:1px;border-color:var(--iwc-border);background:var(--iwc-bg-secondary);font-size:var(--main-text-xs,.75rem);color:var(--iwc-text-secondary);cursor:pointer;padding:.25rem .625rem;transition:border-color .15s,color .15s}._iwc-preset:hover,._iwc-preset-imperial:hover{border-color:var(--iwc-primary);color:var(--iwc-primary)}@media (max-width:480px){._iwc-field-group{grid-template-columns:1fr}}._iwc-results{gap:var(--main-space-4,1rem);flex-direction:column;display:flex}._iwc-range-card{background:var(--iwc-bg);border-radius:var(--iwc-radius-lg);border-style:solid;border-width:1px;border-color:var(--iwc-primary-light);box-shadow:var(--iwc-shadow-md);padding:var(--main-space-5,1.25rem);gap:var(--main-space-4,1rem);flex-direction:column;display:flex}._iwc-range-header{justify-content:space-between;align-items:flex-start;gap:var(--main-space-4,1rem);display:flex}._iwc-range-info,._iwc-average-info{flex-direction:column;gap:.25rem;display:flex}._iwc-range-label,._iwc-average-label{font-size:var(--main-text-sm,.875rem);color:var(--iwc-text-muted);font-weight:500}._iwc-range-value{color:var(--iwc-primary);font-size:1.5rem;font-weight:700;line-height:1.2}._iwc-average-info{text-align:right}._iwc-average-value{color:var(--iwc-text);font-size:1.125rem;font-weight:600}._iwc-compare-bar-wrap{flex-direction:column;gap:.375rem;display:flex}._iwc-compare-bar{background:var(--iwc-bg-secondary);border-style:solid;border-width:1px;border-color:var(--iwc-border);border-radius:99px;height:10px;position:relative;overflow:visible}._iwc-compare-range{background:#0596694d;border-radius:99px;position:absolute;top:0;bottom:0}._iwc-compare-marker{background:var(--iwc-primary);width:14px;height:14px;box-shadow:var(--iwc-shadow);border:2px solid #fff;border-radius:50%;transition:left .3s;position:absolute;top:50%;transform:translate(-50%,-50%)}._iwc-compare-marker.above{background:var(--iwc-color-above)}._iwc-compare-marker.below{background:var(--iwc-color-below)}._iwc-compare-labels{font-size:var(--main-text-xs,.75rem);color:var(--iwc-text-muted);justify-content:space-between;display:flex}._iwc-suggestion{font-size:var(--main-text-sm,.875rem);border-radius:var(--iwc-radius);background:var(--iwc-bg-secondary);border-style:dashed;border-width:1px;border-color:var(--iwc-border);color:var(--iwc-text-secondary);padding:.625rem .875rem;line-height:1.5}._iwc-suggestion.ideal{color:#065f46;background:#10b9810f;border-color:#10b9814d}._iwc-suggestion.above{color:#92400e;background:#f59e0b0f;border-color:#f59e0b4d}._iwc-suggestion.below{color:#1e40af;background:#3b82f60f;border-color:#3b82f64d}._iwc-formulas{gap:var(--main-space-3,.75rem);grid-template-columns:repeat(4,1fr);display:grid}._iwc-formula-card{background:var(--iwc-bg);border-radius:var(--iwc-radius-lg);border-style:solid;border-width:1px;border-color:var(--iwc-border);box-shadow:var(--iwc-shadow);padding:var(--main-space-4,1rem);text-align:center;flex-direction:column;align-items:center;gap:.25rem;display:flex}._iwc-formula-name{font-size:var(--main-text-sm,.875rem);color:var(--iwc-text);font-weight:600}._iwc-formula-year{font-size:var(--main-text-xs,.75rem);color:var(--iwc-text-muted)}._iwc-formula-value{color:var(--iwc-primary);font-variant-numeric:tabular-nums;margin-top:.25rem;font-size:1.25rem;font-weight:700}@media (max-width:560px){._iwc-formulas{grid-template-columns:repeat(2,1fr)}}@media (max-width:360px){._iwc-range-value{font-size:1.25rem}}._iwc-reference{background:var(--iwc-bg);border-radius:var(--iwc-radius-lg);border-style:solid;border-width:1px;border-color:var(--iwc-border);box-shadow:var(--iwc-shadow);overflow:hidden}._iwc-reference-title{padding:.75rem var(--main-space-5,1.25rem);font-size:var(--main-text-sm,.875rem);color:var(--iwc-text-secondary);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--iwc-border);background:var(--iwc-bg-secondary);align-items:center;gap:.5rem;font-weight:600;display:flex}._iwc-reference-title svg{color:var(--iwc-primary);flex-shrink:0}._iwc-reference-content{padding:var(--main-space-5,1.25rem);gap:var(--main-space-3,.75rem);flex-direction:column;display:flex}._iwc-reference-table{border-collapse:collapse;width:100%;font-size:var(--main-text-sm,.875rem)}._iwc-reference-table th{text-align:left;color:var(--iwc-text-secondary);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--iwc-border);background:var(--iwc-bg-secondary);font-weight:600;font-size:var(--main-text-xs,.75rem);text-transform:uppercase;letter-spacing:.05em;padding:.5rem .75rem}._iwc-reference-table td{color:var(--iwc-text);border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--iwc-border);font-family:var(--main-font-mono,monospace);font-size:var(--main-text-xs,.75rem);padding:.5rem .75rem}._iwc-reference-table td:first-child{font-family:inherit;font-weight:500;font-size:var(--main-text-sm,.875rem);color:var(--iwc-text-secondary)}._iwc-reference-table tr:last-child td{border-bottom:none}._iwc-reference-note{font-size:var(--main-text-xs,.75rem);color:var(--iwc-text-muted);line-height:1.6}@media (max-width:560px){._iwc-reference-table{font-size:var(--main-text-xs,.75rem)}._iwc-reference-table th,._iwc-reference-table td{padding:.375rem .5rem}}