:root{--speedo-calc-primary:#4361ee;--speedo-calc-primary-deep:#3a56d4;--speedo-calc-secondary:#00a86b;--speedo-calc-secondary-light:#e6f0ff;--speedo-calc-danger:#e74c3c;--speedo-calc-bg:#f7f9fb;--speedo-calc-white:#ffffff;--speedo-calc-text:#2b2d42;--speedo-calc-border:#d8dce2;--speedo-calc-radius:8px;--speedo-calc-spacing:1.5rem;--speedo-calc-gap:0.6rem;--speedo-calc-text-muted:#6b7080;--speedo-calc-info-bg:#eef2ff;--speedo-calc-success-bg:#e8f9f2;--speedo-calc-success:#00a86b;--speedo-calc-warning:#f59e0b;--speedo-calc-warning-bg:#fffbeb}.speedo-calc-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:2px solid var(--speedo-calc-border)}.speedo-calc-header-inner{display:flex;align-items:center;gap:1rem}.speedo-calc-logo{flex-shrink:0;animation:speedo-calc-spin-needle 3s ease-in-out infinite alternate;transform-origin:center}@keyframes speedo-calc-spin-needle{0%{transform:rotate(-5deg)}100%{transform:rotate(5deg)}}.speedo-calc-title{font-size:clamp(1.4rem, 4vw, 2rem);font-weight:700;color:var(--speedo-calc-primary)!important;letter-spacing:-.02em;line-height:1.2}.speedo-calc-subtitle{font-size:.85rem;color:var(--speedo-calc-text-muted);margin-top:.2rem;font-weight:400}.speedo-calc-tabs{display:flex;gap:.35rem;flex-wrap:wrap;margin-bottom:1.5rem;background:var(--speedo-calc-white);border:1px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;padding:.4rem}.speedo-calc-tab{display:inline-flex;align-items:center;gap:.35rem;padding:.45rem .85rem;font-family:"Rubik",sans-serif;font-size:.82rem;font-weight:500;color:var(--speedo-calc-text-muted);background:#fff0;border:none!important;border-radius:var(--speedo-calc-radius)!important;cursor:pointer;transition:background 0.18s,color 0.18s;white-space:nowrap}.speedo-calc-tab:hover{background:var(--speedo-calc-secondary-light);color:var(--speedo-calc-primary)}.speedo-calc-tab--active{background:var(--speedo-calc-primary)!important;color:var(--speedo-calc-white)!important}.speedo-calc-tab-icon{font-size:.9rem}.speedo-calc-panel{animation:speedo-calc-fadein 0.22s ease}@keyframes speedo-calc-fadein{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.speedo-calc-card{background:var(--speedo-calc-white);border:1px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;padding:var(--speedo-calc-spacing)}.speedo-calc-card-header{margin-bottom:1.25rem}.speedo-calc-card-title{font-size:1.2rem;font-weight:700;color:var(--speedo-calc-text);margin-bottom:.3rem}.speedo-calc-card-desc{font-size:.87rem;color:var(--speedo-calc-text-muted);line-height:1.5}.speedo-calc-info-box{background:var(--speedo-calc-info-bg);border-left:3px solid var(--speedo-calc-primary);border-radius:0 var(--speedo-calc-radius) var(--speedo-calc-radius) 0!important;padding:.75rem 1rem;font-size:.84rem;color:var(--speedo-calc-text);margin-bottom:1.25rem;line-height:1.6}.speedo-calc-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem 2rem;align-items:start}.speedo-calc-grid-2 .speedo-calc-field-group{margin-top:0;display:flex;flex-direction:column;gap:.5rem}.speedo-calc-grid-2 .speedo-calc-label{font-size:.85rem;font-weight:600;color:var(--speedo-calc-text);margin-bottom:.15rem}.speedo-calc-grid-2 .speedo-calc-input-row,.speedo-calc-grid-2 .speedo-calc-time-row{display:flex;gap:.5rem;width:100%;align-items:stretch}.speedo-calc-grid-2 .speedo-calc-input{flex:1 1 0%;min-width:0;width:100%;padding:.65rem .75rem;font-size:0.95rem!important;border:1.5px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;background:var(--speedo-calc-white)!important;color:var(--speedo-calc-text)!important;transition:all 0.2s ease}.speedo-calc-grid-2 .speedo-calc-input:focus{border-color:var(--speedo-calc-primary)!important;box-shadow:0 0 0 3px rgb(67 97 238 / .12)}.speedo-calc-grid-2 .speedo-calc-select{flex:0 0 auto;min-width:85px;max-width:140px;padding:.65rem 2rem .65rem .75rem;font-size:0.88rem!important;border:1.5px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;background:var(--speedo-calc-white)!important;color:var(--speedo-calc-text)!important;cursor:pointer;appearance:none;-webkit-appearance:none;background-image: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='%236b7080' 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")!important;background-repeat:no-repeat!important;background-position:right .6rem center!important;background-size:14px!important;transition:all 0.2s ease}.speedo-calc-grid-2 .speedo-calc-select:focus{border-color:var(--speedo-calc-primary)!important;box-shadow:0 0 0 3px rgb(67 97 238 / .12)}.speedo-calc-grid-2 .speedo-calc-time-field{flex:1 1 0%;min-width:0;display:flex;align-items:center;gap:.25rem}.speedo-calc-grid-2 .speedo-calc-time-field .speedo-calc-input{flex:1 1 0%;min-width:0;padding:.65rem .5rem;text-align:center}.speedo-calc-grid-2 .speedo-calc-time-label{font-size:.78rem;color:var(--speedo-calc-text-muted);font-weight:500;flex-shrink:0;min-width:18px}.speedo-calc-grid-2 .speedo-calc-unit-badge{flex:0 0 auto;min-width:60px;padding:.65rem .8rem;background:var(--speedo-calc-bg)!important;border:1.5px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;font-size:0.85rem!important;color:var(--speedo-calc-text-muted)!important;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}.speedo-calc-grid-2 .speedo-calc-tip{font-size:.75rem;color:var(--speedo-calc-text-muted);margin-top:.15rem;line-height:1.4}.speedo-calc-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-bottom:.75rem}.speedo-calc-grid-3-inline{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}.speedo-calc-field-group{display:flex;flex-direction:column;gap:var(--speedo-calc-gap);margin-top:1rem}.speedo-calc-label{font-size:.84rem;font-weight:600;color:var(--speedo-calc-text)}.speedo-calc-input-row{display:flex;gap:.4rem}.speedo-calc-time-row{display:flex;gap:.4rem}.speedo-calc-time-field{display:flex;align-items:center;gap:.25rem;flex:1}.speedo-calc-time-label{font-size:.78rem;color:var(--speedo-calc-text-muted);font-weight:500;white-space:nowrap}.speedo-calc-input{flex:1;min-width:0;padding:.55rem .75rem;font-family:"Rubik",sans-serif;font-size:0.95rem!important;color:var(--speedo-calc-text)!important;background:var(--speedo-calc-white)!important;border:1.5px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;outline:none;transition:border-color 0.18s,box-shadow 0.18s;-moz-appearance:textfield}.speedo-calc-input::-webkit-inner-spin-button,.speedo-calc-input::-webkit-outer-spin-button{opacity:.6}.speedo-calc-input:focus{border-color:var(--speedo-calc-primary)!important;box-shadow:0 0 0 3px rgb(67 97 238 / .12)}.speedo-calc-input.speedo-calc-input--error{border-color:var(--speedo-calc-danger)!important}.speedo-calc-select{padding:.55rem 2rem .55rem .7rem;font-family:"Rubik",sans-serif;font-size:0.88rem!important;color:var(--speedo-calc-text)!important;background:var(--speedo-calc-white)!important;border:1.5px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;cursor:pointer;outline:none;appearance:none;-webkit-appearance:none;background-image: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='%236b7080' 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")!important;background-repeat:no-repeat!important;background-position:right .6rem center!important;background-size:14px!important;transition:border-color 0.18s;flex-shrink:0}.speedo-calc-select:focus{border-color:var(--speedo-calc-primary)!important;box-shadow:0 0 0 3px rgb(67 97 238 / .12)}.speedo-calc-select--full{width:100%;flex:1}.speedo-calc-unit-badge{display:inline-flex;align-items:center;padding:.55rem .8rem;background:var(--speedo-calc-bg)!important;border:1.5px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;font-size:0.85rem!important;color:var(--speedo-calc-text-muted)!important;white-space:nowrap;flex-shrink:0}.speedo-calc-tip{font-size:.77rem;color:var(--speedo-calc-text-muted);line-height:1.4}.speedo-calc-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.65rem 1.4rem;font-family:"Rubik",sans-serif;font-size:.92rem;font-weight:600;cursor:pointer;border-radius:var(--speedo-calc-radius)!important;transition:background 0.18s,transform 0.12s,box-shadow 0.18s;outline:none;text-decoration:none;user-select:none;height:45px!important}.speedo-calc-btn:active{transform:scale(.97)}.speedo-calc-btn--primary{background:var(--speedo-calc-primary)!important;color:var(--speedo-calc-white)!important;border:none!important;margin-top:1.75rem;width:100%}.speedo-calc-btn--primary:hover{background:var(--speedo-calc-primary-deep)!important;box-shadow:0 4px 12px rgb(67 97 238 / .25)}.speedo-calc-btn--outline{background:transparent!important;color:var(--speedo-calc-primary)!important;border:1.5px solid var(--speedo-calc-primary)!important}.speedo-calc-btn--outline:hover{background:var(--speedo-calc-secondary-light)!important}.speedo-calc-btn--ghost{background:var(--speedo-calc-bg)!important;color:var(--speedo-calc-text)!important;border:1px solid var(--speedo-calc-border)!important}.speedo-calc-btn--ghost:hover{background:var(--speedo-calc-secondary-light)!important}.speedo-calc-btn--danger{background:var(--speedo-calc-danger)!important;color:var(--speedo-calc-white)!important;border:none!important}.speedo-calc-btn--danger:hover{background:#c0392b!important}.speedo-calc-btn-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}.speedo-calc-error{display:none;font-size:.83rem;color:var(--speedo-calc-danger)!important;background:#fdf2f1!important;border:1px solid #f5c6c2!important;border-radius:var(--speedo-calc-radius)!important;padding:.6rem .9rem;margin-top:.5rem;font-weight:500}.speedo-calc-error--show{display:block}.speedo-calc-result-area{margin-top:1.25rem}.speedo-calc-result-card{background:var(--speedo-calc-success-bg)!important;border:1.5px solid #b3e6d3!important;border-radius:var(--speedo-calc-radius)!important;padding:1.25rem;animation:speedo-calc-fadein 0.25s ease}.speedo-calc-result-main{display:flex;align-items:baseline;gap:.5rem;margin-bottom:.5rem;flex-wrap:wrap}.speedo-calc-result-label{font-size:.82rem;font-weight:600;color:var(--speedo-calc-success);text-transform:uppercase;letter-spacing:.05em}.speedo-calc-result-value{font-size:2.2rem;font-weight:700;color:var(--speedo-calc-text);line-height:1}.speedo-calc-result-unit{font-size:1rem;color:var(--speedo-calc-text-muted);font-weight:500}.speedo-calc-result-conversions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem;padding-top:.75rem;border-top:1px solid #b3e6d3}.speedo-calc-conv-chip{background:var(--speedo-calc-white)!important;border:1px solid #b3e6d3!important;border-radius:20px!important;padding:.25rem .75rem;font-size:.82rem;color:var(--speedo-calc-text)}.speedo-calc-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem;margin-bottom:.75rem}.speedo-calc-stat-card{background:var(--speedo-calc-white)!important;border:1px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;padding:.85rem 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0.12s;text-decoration:none;user-select:none}.speedo-calc-action-btn:active{transform:scale(.97)}.speedo-calc-action-btn--copy{background:var(--speedo-calc-primary)!important;color:var(--speedo-calc-white)!important;border:none!important}.speedo-calc-action-btn--copy:hover{background:var(--speedo-calc-primary-deep)!important}.speedo-calc-action-btn--pdf{background:var(--speedo-calc-secondary)!important;color:var(--speedo-calc-white)!important;border:none!important}.speedo-calc-action-btn--pdf:hover{background:#008e5a!important}.speedo-calc-action-btn--reset{background:var(--speedo-calc-white)!important;color:var(--speedo-calc-danger)!important;border:1.5px solid var(--speedo-calc-danger)!important}.speedo-calc-action-btn--reset:hover{background:#fdf2f1!important}.speedo-calc-helper{margin:1rem 0}.speedo-calc-helper-toggle{font-size:.88rem;font-weight:600;color:var(--speedo-calc-primary);cursor:pointer;padding:.6rem 0;user-select:none;list-style:none}.speedo-calc-helper-toggle::marker,.speedo-calc-helper-toggle::-webkit-details-marker{display:none}.speedo-calc-helper-body{background:var(--speedo-calc-bg)!important;border:1px solid var(--speedo-calc-border)!important;border-radius:var(--speedo-calc-radius)!important;padding:1rem;margin-top:.5rem}.speedo-calc-helper-result{font-size:.88rem;color:var(--speedo-calc-text);min-height:1.5rem;margin-top:.25rem;font-weight:600}.speedo-calc-modal-backdrop{position:fixed;inset:0;background:rgb(43 45 66 / .45);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.speedo-calc-modal-backdrop[hidden]{display:none}.speedo-calc-modal{background:var(--speedo-calc-white)!important;border-radius:var(--speedo-calc-radius)!important;padding:2rem;max-width:400px;width:100%;box-shadow:0 16px 48px rgb(0 0 0 / .18);animation:speedo-calc-fadein 0.2s ease}.speedo-calc-modal-title{font-size:1.1rem;font-weight:700;margin-bottom:.75rem;color:var(--speedo-calc-text)}.speedo-calc-modal-body{font-size:.9rem;color:var(--speedo-calc-text-muted);margin-bottom:1.5rem;line-height:1.5}.speedo-calc-modal-actions{display:flex;gap:.75rem;flex-wrap:wrap}.speedo-calc-toast{position:fixed;bottom:1.5rem;right:1.5rem;padding:.75rem 1.25rem;background:var(--speedo-calc-text)!important;color:var(--speedo-calc-white)!important;border-radius:var(--speedo-calc-radius)!important;font-size:.88rem;font-weight:500;z-index:2000;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity 0.25s,transform 0.25s;max-width:320px}.speedo-calc-toast--show{opacity:1;transform:translateY(0)}@media (max-width:768px){.speedo-calc-grid-2{grid-template-columns:1fr;gap:.75rem}.speedo-calc-grid-2 .speedo-calc-select{min-width:75px;max-width:120px}.speedo-calc-grid-2 .speedo-calc-input-row,.speedo-calc-grid-2 .speedo-calc-time-row{flex-wrap:wrap}.speedo-calc-grid-2 .speedo-calc-time-field{min-width:calc(33.33% - 0.5rem);flex:1 1 auto}}@media (max-width:600px){.speedo-calc-tabs{gap:.2rem}.speedo-calc-tab{padding:.4rem .6rem;font-size:.77rem}.speedo-calc-card{padding:1rem}.speedo-calc-grid-2{grid-template-columns:1fr;gap:.75rem}.speedo-calc-grid-2 .speedo-calc-select{min-width:70px;max-width:100px;font-size:0.82rem!important}.speedo-calc-grid-3{grid-template-columns:1fr}.speedo-calc-grid-3-inline{grid-template-columns:1fr 1fr 1fr;gap:.3rem}.speedo-calc-result-value{font-size:1.8rem}.speedo-calc-stats-grid{grid-template-columns:1fr 1fr}.speedo-calc-header-inner{gap:.75rem}.speedo-calc-modal{padding:1.5rem}.speedo-calc-grid-2 .speedo-calc-time-field{min-width:calc(50% - 0.5rem)}}@media (max-width:400px){.speedo-calc-grid-3-inline{grid-template-columns:1fr}.speedo-calc-time-row{flex-wrap:wrap}.speedo-calc-time-field{min-width:calc(50% - 0.4rem)}.speedo-calc-grid-2 .speedo-calc-select{min-width:60px;max-width:85px;padding-right:1.6rem;font-size:0.78rem!important}.speedo-calc-grid-2 .speedo-calc-input{font-size:0.88rem!important;padding:.5rem .5rem}.speedo-calc-grid-2 .speedo-calc-unit-badge{font-size:0.78rem!important;padding:.5rem .6rem;min-width:50px}}