:root{--towing-calc-primary:#4361ee;--towing-calc-primary-deep:#3a56d4;--towing-calc-secondary:#00a86b;--towing-calc-secondary-light:#e6f0ff;--towing-calc-danger:#e74c3c;--towing-calc-bg:#f7f9fb;--towing-calc-white:#ffffff;--towing-calc-text:#2b2d42;--towing-calc-border:#d8dce2;--towing-calc-radius:8px;--towing-calc-spacing:1.5rem;--towing-calc-gap:0.6rem;--towing-calc-warning:#f39c12;--towing-calc-warning-bg:#fff8ec;--towing-calc-success-bg:#edfaf4;--towing-calc-danger-bg:#fdf0ee;--towing-calc-text-muted:#6b7280;--towing-calc-shadow:0 2px 12px rgba(43, 45, 66, 0.08);--towing-calc-shadow-lg:0 8px 32px rgba(43, 45, 66, 0.12);--towing-calc-transition:0.2s ease}.towing-calc-header{margin-bottom:1.75rem;padding:1.5rem 1rem;border:1px solid var(--st-border);border-radius:var(--st-radius);box-shadow:var(--towing-calc-shadow)}.towing-calc-header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.towing-calc-logo{display:flex;align-items:center;gap:.75rem}.towing-calc-logo-text{display:flex;flex-direction:column;line-height:1.2}.towing-calc-logo-title{font-size:1.5rem!important;font-weight:700;color:var(--towing-calc-text)!important;letter-spacing:-.02em}.towing-calc-logo-sub{font-size:0.75rem!important;color:var(--towing-calc-text-muted)!important;font-weight:400}.towing-calc-unit-toggle{display:flex;background:var(--towing-calc-white);border:1.5px solid var(--towing-calc-border)!important;border-radius:var(--towing-calc-radius)!important;overflow:hidden;padding:3px;gap:3px}.towing-calc-unit-btn{padding:.35rem 1rem;font-family:"Rubik",sans-serif;font-size:0.8rem!important;font-weight:500;cursor:pointer;border:none!important;border-radius:calc(var(--towing-calc-radius) - 2px)!important;background:transparent!important;color:var(--towing-calc-text-muted)!important;transition:all var(--towing-calc-transition)}.towing-calc-unit-btn.active{background:var(--towing-calc-primary)!important;color:var(--towing-calc-white)!important}.towing-calc-unit-btn:hover:not(.active){background:var(--towing-calc-bg)!important;color:var(--towing-calc-text)!important}.towing-calc-main{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;align-items:start}.towing-calc-panel{background:var(--towing-calc-white)!important;border:1px solid var(--towing-calc-border)!important;border-radius:var(--towing-calc-radius)!important;padding:var(--towing-calc-spacing);box-shadow:var(--towing-calc-shadow)}.towing-calc-section-label{display:flex;align-items:center;gap:.5rem;font-size:0.78rem!important;font-weight:600;color:var(--towing-calc-text-muted)!important;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.85rem;padding-bottom:.6rem;border-bottom:1px solid var(--towing-calc-border)!important}.towing-calc-section-label+.towing-calc-field-group{margin-bottom:1.25rem}.towing-calc-field-group{display:grid;grid-template-columns:1fr 1fr;gap:var(--towing-calc-gap) .9rem}.towing-calc-field{display:flex;flex-direction:column;gap:.3rem}.towing-calc-field-full{grid-column:1 / -1}.towing-calc-input-label{font-size:0.78rem!important;font-weight:500;color:var(--towing-calc-text)!important;display:flex;align-items:center;gap:.35rem}.towing-calc-input-wrap{position:relative;display:flex;align-items:center}.towing-calc-input{width:100%;padding:.55rem 2.8rem .55rem .75rem;font-family:"Rubik",sans-serif;font-size:0.88rem!important;font-weight:400;color:var(--towing-calc-text)!important;background:var(--towing-calc-bg)!important;border:1.5px solid var(--towing-calc-border)!important;border-radius:var(--towing-calc-radius)!important;outline:none;transition:border-color var(--towing-calc-transition),box-shadow var(--towing-calc-transition);appearance:none;-webkit-appearance:none}.towing-calc-input:focus{border-color:var(--towing-calc-primary)!important;background:var(--towing-calc-white)!important;box-shadow:0 0 0 3px rgb(67 97 238 / .12)}.towing-calc-input::placeholder{color:#b0b7c3!important;font-size:0.82rem!important}.towing-calc-input-unit{position:absolute;right:.65rem;font-size:0.72rem!important;font-weight:600;color:var(--towing-calc-text-muted)!important;pointer-events:none;background:var(--towing-calc-bg)!important;padding:0 .2rem}.towing-calc-input[type="number"]::-webkit-outer-spin-button,.towing-calc-input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.towing-calc-input[type="number"]{-moz-appearance:textfield}.towing-calc-select-wrap{position:relative}.towing-calc-select{width:100%;padding:.55rem 2.5rem .55rem 0.75rem!important;font-family:"Rubik",sans-serif;font-size:0.88rem!important;font-weight:400;color:var(--towing-calc-text)!important;background:var(--towing-calc-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") no-repeat right .7rem center!important;background-size:14px 14px!important;border:1.5px solid var(--towing-calc-border)!important;border-radius:var(--towing-calc-radius)!important;cursor:pointer;appearance:none;-webkit-appearance:none;outline:none}.towing-calc-select:focus{border-color:var(--towing-calc-primary)!important;background-color:var(--towing-calc-white)!important;box-shadow:0 0 0 3px rgb(67 97 238 / .12)}.towing-calc-field-hint{font-size:0.72rem!important;color:var(--towing-calc-primary)!important;min-height:1rem;font-weight:500}.towing-calc-tooltip-trigger{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border-radius:50%!important;background:var(--towing-calc-border)!important;color:var(--towing-calc-text-muted)!important;font-size:0.62rem!important;font-weight:700;cursor:default;position:relative;flex-shrink:0;user-select:none}.towing-calc-tooltip{display:none;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);min-width:220px;background:var(--towing-calc-text)!important;color:var(--towing-calc-white)!important;font-size:0.72rem!important;font-weight:400;padding:.5rem .7rem;border-radius:var(--towing-calc-radius)!important;line-height:1.5;z-index:100;pointer-events:none;box-shadow:0 4px 16px rgb(0 0 0 / .18);white-space:normal;text-align:left;border:none!important}.towing-calc-tooltip::after{content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);border:5px solid #fff0;border-top-color:var(--towing-calc-text)}.towing-calc-tooltip-trigger:hover .towing-calc-tooltip,.towing-calc-tooltip-trigger:focus .towing-calc-tooltip{display:block}.towing-calc-calc-actions{margin-top:1.25rem}.towing-calc-button{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;font-family:"Rubik",sans-serif;font-weight:500;cursor:pointer;border:none!important;border-radius:var(--towing-calc-radius)!important;transition:all var(--towing-calc-transition);outline:none;text-decoration:none}.towing-calc-button:focus-visible{box-shadow:0 0 0 3px rgb(67 97 238 / .3)}.towing-calc-button-primary{width:100%;padding:.78rem 1.5rem;font-size:0.95rem!important;background:var(--towing-calc-primary)!important;color:var(--towing-calc-white)!important;letter-spacing:.01em}.towing-calc-button-primary:hover{background:var(--towing-calc-primary-deep)!important;transform:translateY(-1px);box-shadow:0 4px 14px rgb(67 97 238 / .35)}.towing-calc-button-primary:active{transform:translateY(0)}.towing-calc-results-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;text-align:center;min-height:280px;padding:2rem}.towing-calc-placeholder-icon{opacity:.4}.towing-calc-placeholder-text{font-size:0.88rem!important;color:var(--towing-calc-text-muted)!important;max-width:260px;line-height:1.6}.towing-calc-status-banner{display:flex;align-items:center;gap:.85rem;padding:.85rem 1rem;border-radius:var(--towing-calc-radius)!important;margin-bottom:1.1rem;background:var(--towing-calc-success-bg)!important;border:1.5px solid #b7f0d8!important}.towing-calc-status-banner.towing-calc-status-warning{background:var(--towing-calc-warning-bg)!important;border-color:#fce8b2!important}.towing-calc-status-banner.towing-calc-status-danger{background:var(--towing-calc-danger-bg)!important;border-color:#f8c4bf!important}.towing-calc-status-icon{font-size:1.6rem!important;flex-shrink:0;line-height:1}.towing-calc-status-text{display:flex;flex-direction:column;gap:.1rem}.towing-calc-status-text strong{font-size:0.92rem!important;color:var(--towing-calc-secondary)!important;font-weight:600}.towing-calc-status-banner.towing-calc-status-warning .towing-calc-status-text strong{color:var(--towing-calc-warning)!important}.towing-calc-status-banner.towing-calc-status-danger .towing-calc-status-text strong{color:var(--towing-calc-danger)!important}.towing-calc-status-text span{font-size:0.78rem!important;color:var(--towing-calc-text-muted)!important}.towing-calc-results-grid{display:grid;grid-template-columns:1fr 1fr;gap:.65rem;margin-bottom:1.1rem}.towing-calc-result-card{background:var(--towing-calc-bg)!important;border:1px solid var(--towing-calc-border)!important;border-radius:var(--towing-calc-radius)!important;padding:.85rem .9rem;display:flex;flex-direction:column;gap:.2rem}.towing-calc-result-card-primary{background:var(--towing-calc-secondary-light)!important;border-color:#c0d3f8!important}.towing-calc-result-card-label{font-size:0.7rem!important;color:var(--towing-calc-text-muted)!important;font-weight:500;text-transform:uppercase;letter-spacing:.04em}.towing-calc-result-card-value{font-size:1.45rem!important;font-weight:700;color:var(--towing-calc-primary)!important;letter-spacing:-.03em;line-height:1.2}.towing-calc-result-card-primary .towing-calc-result-card-value{color:var(--towing-calc-primary)!important}.towing-calc-result-card-value.towing-calc-val-danger{color:var(--towing-calc-danger)!important}.towing-calc-result-card-value.towing-calc-val-warning{color:var(--towing-calc-warning)!important}.towing-calc-result-card-sub{font-size:0.68rem!important;color:var(--towing-calc-text-muted)!important;font-weight:400}.towing-calc-gauges{display:flex;flex-direction:column;gap:.85rem;margin-bottom:1rem}.towing-calc-gauge-item{display:flex;flex-direction:column;gap:.3rem}.towing-calc-gauge-header{display:flex;justify-content:space-between;align-items:center}.towing-calc-gauge-label{font-size:0.75rem!important;font-weight:500;color:var(--towing-calc-text)!important}.towing-calc-gauge-values{font-size:0.72rem!important;color:var(--towing-calc-text-muted)!important;font-weight:500}.towing-calc-gauge-track{height:9px;background:var(--towing-calc-bg)!important;border-radius:99px!important;border:1px solid var(--towing-calc-border)!important;overflow:visible;position:relative}.towing-calc-gauge-fill{height:100%;border-radius:99px!important;background:var(--towing-calc-secondary)!important;transition:width 0.6s cubic-bezier(.4,0,.2,1);max-width:100%;position:relative}.towing-calc-gauge-fill.towing-calc-gauge-warning{background:var(--towing-calc-warning)!important}.towing-calc-gauge-fill.towing-calc-gauge-danger{background:var(--towing-calc-danger)!important}.towing-calc-gauge-limit-marker{position:absolute;top:-3px;width:2px;height:calc(100% + 6px);background:var(--towing-calc-text-muted)!important;border-radius:2px!important;border:none!important;pointer-events:none;opacity:.4}.towing-calc-gauge-pct{font-size:0.68rem!important;color:var(--towing-calc-text-muted)!important;text-align:right;font-weight:500}.towing-calc-limiting-factor{display:flex;align-items:center;gap:.45rem;padding:.6rem .85rem;background:var(--towing-calc-secondary-light)!important;border:1px solid #c8d9fc!important;border-radius:var(--towing-calc-radius)!important;margin-bottom:.85rem;font-size:0.8rem!important}.towing-calc-limiting-label{font-weight:600;color:var(--towing-calc-primary)!important;font-size:0.78rem!important;white-space:nowrap}#towing-calc-limiting-value{color:var(--towing-calc-text)!important;font-size:0.8rem!important;font-weight:500}.towing-calc-warnings{display:flex;flex-direction:column;gap:.45rem;margin-bottom:.85rem}.towing-calc-warning-item{display:flex;align-items:flex-start;gap:.5rem;padding:.6rem .8rem;border-radius:var(--towing-calc-radius)!important;font-size:0.78rem!important;line-height:1.5}.towing-calc-warning-item.towing-calc-warn-yellow{background:var(--towing-calc-warning-bg)!important;border:1px solid #fce8b2!important;color:#8a5a00!important}.towing-calc-warning-item.towing-calc-warn-red{background:var(--towing-calc-danger-bg)!important;border:1px solid #f8c4bf!important;color:#9b2a1a!important}.towing-calc-warning-icon{flex-shrink:0;margin-top:1px;font-size:0.9rem!important}.towing-calc-breakdown{margin-bottom:1rem}.towing-calc-breakdown-summary{font-size:0.8rem!important;font-weight:600;color:var(--towing-calc-primary)!important;cursor:pointer;padding:.5rem 0;user-select:none;list-style:none;display:flex;align-items:center;gap:.35rem}.towing-calc-breakdown-summary::-webkit-details-marker{display:none}.towing-calc-breakdown-summary::before{content:"▶";font-size:0.6rem!important;transition:transform 0.2s;color:var(--towing-calc-primary)!important}.towing-calc-breakdown[open] .towing-calc-breakdown-summary::before{transform:rotate(90deg)}.towing-calc-breakdown-table{margin-top:.6rem;border:1px solid var(--towing-calc-border)!important;border-radius:var(--towing-calc-radius)!important;overflow:hidden;font-size:0.78rem!important}.towing-calc-breakdown-row{display:flex;justify-content:space-between;align-items:center;padding:.5rem .85rem;border-bottom:1px solid var(--towing-calc-border)!important;gap:.5rem}.towing-calc-breakdown-row:last-child{border-bottom:none!important}.towing-calc-breakdown-row:nth-child(even){background:var(--towing-calc-bg)!important}.towing-calc-breakdown-key{color:var(--towing-calc-text-muted)!important;font-size:0.76rem!important}.towing-calc-breakdown-val{font-weight:600;color:var(--towing-calc-text)!important;font-size:0.8rem!important;text-align:right}.towing-calc-action-bar{display:flex;gap:.55rem;flex-wrap:wrap;padding-top:.85rem;border-top:1px solid var(--towing-calc-border)!important}.towing-calc-action-btn{flex:1;min-width:fit-content;padding:.6rem .8rem;font-size:0.78rem!important;font-weight:500;background:var(--towing-calc-bg)!important;color:var(--towing-calc-text)!important;border:1.5px solid var(--towing-calc-border)!important}.towing-calc-action-btn:hover{background:var(--towing-calc-secondary-light)!important;border-color:var(--towing-calc-primary)!important;color:var(--towing-calc-primary)!important}.towing-calc-reset-btn:hover{background:var(--towing-calc-danger-bg)!important;border-color:var(--towing-calc-danger)!important;color:var(--towing-calc-danger)!important}.towing-calc-disclaimer{text-align:center;font-size:0.72rem!important;color:var(--towing-calc-text-muted)!important;margin-top:1.5rem;padding:0 1rem;line-height:1.5}.towing-calc-modal-overlay{position:fixed;inset:0;background:rgb(43 45 66 / .55);z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem;backdrop-filter:blur(3px)}.towing-calc-modal{background:var(--towing-calc-white)!important;border-radius:calc(var(--towing-calc-radius) * 1.5)!important;border:none!important;padding:2rem 1.75rem;max-width:380px;width:100%;box-shadow:var(--towing-calc-shadow-lg);text-align:center;animation:towing-calc-modal-in 0.2s ease}@keyframes towing-calc-modal-in{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.towing-calc-modal-icon{margin-bottom:1rem}.towing-calc-modal-title{font-size:1.1rem!important;font-weight:700;color:var(--towing-calc-text)!important;margin-bottom:.5rem}.towing-calc-modal-body{font-size:0.85rem!important;color:var(--towing-calc-text-muted)!important;line-height:1.6;margin-bottom:1.5rem}.towing-calc-modal-actions{display:flex;gap:.65rem;justify-content:center}.towing-calc-modal-cancel{flex:1;padding:.65rem 1rem;font-size:0.85rem!important;background:var(--towing-calc-bg)!important;color:var(--towing-calc-text)!important;border:1.5px solid var(--towing-calc-border)!important}.towing-calc-modal-cancel:hover{background:var(--towing-calc-border)!important}.towing-calc-modal-confirm{flex:1;padding:.65rem 1rem;font-size:0.85rem!important;background:var(--towing-calc-danger)!important;color:var(--towing-calc-white)!important;border:none!important}.towing-calc-modal-confirm:hover{background:#c0392b!important}.towing-calc-toast{position:fixed;bottom:1.5rem;left:50%;transform:translateX(-50%) translateY(20px);background:var(--towing-calc-text)!important;color:var(--towing-calc-white)!important;font-size:0.82rem!important;font-weight:500;padding:.6rem 1.25rem;border-radius:99px!important;border:none!important;opacity:0;pointer-events:none;z-index:2000;transition:opacity 0.25s ease,transform 0.25s ease;white-space:nowrap}.towing-calc-toast.towing-calc-toast-show{opacity:1;transform:translateX(-50%) translateY(0)}@media (max-width:1024px){.towing-calc-main{grid-template-columns:1fr}.towing-calc-results-panel{order:2}}@media (max-width:640px){.towing-calc-panel{padding:1.1rem}.towing-calc-field-group{grid-template-columns:1fr}.towing-calc-results-grid{grid-template-columns:1fr 1fr}.towing-calc-result-card-value{font-size:1.15rem!important}.towing-calc-action-bar{flex-direction:column}.towing-calc-action-btn{min-width:unset}.towing-calc-logo-title{font-size:1.1rem!important}.towing-calc-modal{padding:1.5rem 1.25rem}}@media (max-width:400px){.towing-calc-results-grid{grid-template-columns:1fr}.towing-calc-header-inner{flex-direction:column;align-items:flex-start}}