.vincar-fuel-calculator{--vfc-red:#c90000;--vfc-black:#111;--vfc-gray:#666;--vfc-border:#ddd;--vfc-light:#f6f6f6;max-width:920px;margin:32px auto;padding:28px;border:1px solid var(--vfc-border);border-radius:18px;background:#fff;box-shadow:0 12px 36px rgba(0,0,0,.08);color:var(--vfc-black);font-family:inherit}.vincar-fuel-calculator *{box-sizing:border-box}.vfc-header{text-align:center;margin-bottom:22px}.vfc-brand{display:inline-block;padding:6px 13px;border-radius:999px;background:#111;color:#fff;font-size:13px;font-weight:800;letter-spacing:1.5px}.vfc-header h2{margin:12px 0 8px;font-size:clamp(26px,4vw,38px);line-height:1.2}.vfc-header p{margin:0;color:var(--vfc-gray)}.vfc-tabs{display:flex;gap:8px;margin:24px 0;padding:5px;border-radius:12px;background:var(--vfc-light)}.vfc-tab{flex:1;padding:12px;border:0;border-radius:9px;background:transparent;font:inherit;font-weight:700;cursor:pointer}.vfc-tab.is-active{background:#fff;box-shadow:0 3px 12px rgba(0,0,0,.08);color:var(--vfc-red)}.vfc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.vfc-common-fields{margin-top:18px}.vfc-field>span:first-child{display:block;margin-bottom:8px;font-weight:700}.vfc-field small{display:block;margin-top:6px;color:var(--vfc-gray);line-height:1.45}.vfc-input-wrap{display:flex;overflow:hidden;border:1px solid var(--vfc-border);border-radius:9px}.vfc-input-wrap:focus-within{border-color:var(--vfc-red);outline:3px solid rgba(201,0,0,.12)}.vfc-input-wrap input{width:100%;min-width:0;min-height:48px;padding:11px 13px;border:0;outline:0;font:inherit}.vfc-input-wrap em{display:flex;align-items:center;padding:0 12px;background:var(--vfc-light);color:var(--vfc-gray);font-size:13px;font-style:normal;font-weight:700;white-space:nowrap}.vfc-actions{display:flex;gap:12px;margin-top:22px}.vfc-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:9px;font:inherit;font-weight:800;text-decoration:none;cursor:pointer}.vfc-button-primary{background:var(--vfc-red);color:#fff}.vfc-button-secondary{border-color:var(--vfc-border);background:#fff;color:#111}.vfc-button-outline{border-color:#fff;background:transparent;color:#fff}.vfc-error{padding:12px 14px;border-radius:8px;background:#fff0f0;color:#980000;font-weight:700}.vfc-results{margin-top:28px;scroll-margin-top:100px}.vfc-main-result{padding:25px;border-radius:14px;background:#111;color:#fff;text-align:center}.vfc-main-result span{display:block;opacity:.8}.vfc-main-result strong{display:block;margin:6px 0;font-size:clamp(32px,5vw,48px)}.vfc-main-result small{font-weight:700}.vfc-main-result .is-warning{color:#ffd18a}.vfc-main-result .is-good{color:#a9f0b3}.vfc-result-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:12px}.vfc-result-grid article{padding:17px;border:1px solid var(--vfc-border);border-radius:12px}.vfc-result-grid span{display:block;margin-bottom:8px;color:var(--vfc-gray);font-size:13px}.vfc-result-grid strong{font-size:16px}.vfc-formula-box,.vfc-advice{margin-top:18px;padding:20px;border-radius:12px;background:var(--vfc-light)}.vfc-formula-box h3,.vfc-advice h3{margin:0 0 8px}.vfc-formula-box p,.vfc-advice p{margin:0;line-height:1.65}.vfc-advice.is-warning{border-left:4px solid #d38b00;background:#fff8e8}.vfc-advice.is-good{border-left:4px solid #18823b;background:#effbf2}.vfc-advice.is-normal{border-left:4px solid #777}.vfc-cta{display:flex;justify-content:space-between;gap:24px;margin-top:20px;padding:24px;border-radius:14px;background:#1b1b1b;color:#fff}.vfc-cta h3{margin:0 0 8px;color:#fff}.vfc-cta p{margin:0;line-height:1.6}.vfc-cta-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.vfc-disclaimer{margin:18px 0 0;color:var(--vfc-gray);font-size:13px;text-align:center;line-height:1.55}@media(max-width:760px){.vincar-fuel-calculator{padding:20px;margin:20px 0}.vfc-grid,.vfc-result-grid{grid-template-columns:1fr}.vfc-actions,.vfc-cta{flex-direction:column}.vfc-button{width:100%}.vfc-tabs{flex-direction:column}}