.tool-widget:has(.fuel-cost-calc-app){padding:0;overflow:hidden;border:0;background:transparent;box-shadow:none}.fuel-cost-calc-app{--fcc-accent:#22c55e;--fcc-accent-2:#0ea5e9;--fcc-line:rgba(148,163,184,.18);--fcc-muted:#94a3b8;container-type:inline-size;width:100%;padding:20px;border:1px solid var(--fcc-line);border-radius:22px;background:radial-gradient(circle at 0 0,rgba(34,197,94,.13),transparent 34%),linear-gradient(145deg,#111827,#07111f);box-shadow:0 22px 55px rgba(0,0,0,.25);color:#e5edf8}.fuel-cost-calc-app *{box-sizing:border-box}.fuel-cost-calc-app button,.fuel-cost-calc-app input{font:inherit}.fuel-cost-calc-app [hidden]{display:none!important}.fcc-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}.fcc-eyebrow{display:block;margin-bottom:4px;color:#86efac;font-size:.7rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.fcc-header h2{margin:0;color:#f8fafc;font-size:1.28rem}.fcc-header p{margin:5px 0 0;color:var(--fcc-muted);font-size:.78rem}.fcc-header-actions{display:flex;gap:14px;flex:0 0 auto}.fcc-header-actions button{padding:4px 0;border:0;background:none;color:#7dd3fc;font-size:.72rem;font-weight:800;cursor:pointer}.fcc-header-actions button:last-child{color:#fca5a5}.fcc-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:16px;align-items:stretch}.fcc-card{min-width:0;padding:18px;border:1px solid var(--fcc-line);border-radius:17px;background:rgba(15,23,42,.74)}.fcc-card-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}.fcc-step{display:grid;place-items:center;flex:0 0 32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--fcc-accent),var(--fcc-accent-2));color:#04101c;font-size:.68rem;font-weight:900}.fcc-card-head h3{margin:0;color:#f1f5f9;font-size:.94rem}.fcc-card-head p{margin:2px 0 0;color:var(--fcc-muted);font-size:.66rem}.fcc-unit-switch{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 0 14px;padding:0;border:0}.fcc-unit-switch legend{margin-bottom:7px;color:#cbd5e1;font-size:.7rem;font-weight:800}.fcc-unit-switch label{min-width:0}.fcc-unit-switch input{position:absolute;opacity:0;pointer-events:none}.fcc-unit-switch label>span{display:block;padding:10px 12px;border:1px solid var(--fcc-line);border-radius:11px;background:rgba(2,8,23,.42);color:#cbd5e1;font-size:.78rem;font-weight:850;cursor:pointer}.fcc-unit-switch small{display:block;margin-top:2px;color:#64748b;font-size:.61rem;font-weight:650}.fcc-unit-switch input:checked+span{border-color:rgba(34,197,94,.7);background:rgba(34,197,94,.1);color:#bbf7d0}.fcc-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.fcc-field{min-width:0}.fcc-field>span{display:block;margin-bottom:6px;color:#94a3b8;font-size:.67rem;font-weight:750}.fcc-field>div{display:flex;min-width:0;height:49px;border:1px solid var(--fcc-line);border-radius:11px;background:rgba(2,8,23,.5);overflow:hidden}.fcc-field input{width:100%;min-width:0;padding:0 10px;border:0;outline:0;background:transparent;color:#f8fafc;font-weight:800}.fcc-field b{display:flex;align-items:center;flex:0 0 auto;padding:0 9px;border-left:1px solid var(--fcc-line);background:rgba(30,41,59,.45);color:#94a3b8;font-size:.62rem;white-space:nowrap}.fcc-field>div:focus-within{border-color:#4ade80;box-shadow:0 0 0 3px rgba(34,197,94,.12)}.fcc-help{margin:9px 0 0;color:#64748b;font-size:.64rem;line-height:1.45}.fcc-error{margin-top:10px;padding:9px 11px;border:1px solid rgba(248,113,113,.3);border-radius:9px;background:rgba(248,113,113,.08);color:#fecaca;font-size:.7rem}.fcc-primary{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:48px;margin-top:14px;border:0;border-radius:11px;background:linear-gradient(135deg,#16a34a,#0284c7);color:#fff;font-weight:850;cursor:pointer}.fcc-primary:hover{filter:brightness(1.07)}.fcc-result-card{display:flex;flex-direction:column}.fcc-empty{display:grid;justify-items:center;align-content:center;flex:1;min-height:220px;text-align:center}.fcc-empty>span{display:grid;place-items:center;width:56px;height:56px;margin-bottom:10px;border:1px solid rgba(34,197,94,.25);border-radius:17px;background:rgba(34,197,94,.08);font-size:1.65rem}.fcc-empty strong{color:#e2e8f0}.fcc-empty p{margin:4px 0 0;color:#64748b;font-size:.68rem}.fcc-total{padding:18px;border:1px solid rgba(34,197,94,.23);border-radius:14px;background:linear-gradient(135deg,rgba(34,197,94,.12),rgba(14,165,233,.07));text-align:center}.fcc-total span,.fcc-total small{display:block;color:#94a3b8;font-size:.65rem}.fcc-total strong{display:block;margin:4px 0;color:#86efac;font-size:clamp(1.8rem,5cqw,2.65rem);line-height:1.05;overflow-wrap:anywhere}.fcc-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:9px}.fcc-stats>div{min-width:0;padding:10px;border:1px solid var(--fcc-line);border-radius:10px;background:rgba(2,8,23,.3)}.fcc-stats span{display:block;color:#64748b;font-size:.59rem}.fcc-stats i{font-style:normal}.fcc-stats strong{display:block;margin-top:3px;color:#e2e8f0;font-size:.75rem;overflow-wrap:anywhere}.fcc-formula{margin-top:9px;padding:10px 12px;border-radius:10px;background:rgba(30,41,59,.42)}.fcc-formula span,.fcc-formula strong{display:block}.fcc-formula span{color:#64748b;font-size:.6rem}.fcc-formula strong{margin-top:3px;color:#cbd5e1;font-size:.68rem;font-weight:750;overflow-wrap:anywhere}.fcc-features{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.fcc-features>div{padding:10px 12px;border:1px solid var(--fcc-line);border-radius:11px;background:rgba(15,23,42,.42)}.fcc-features strong,.fcc-features span{display:block}.fcc-features strong{color:#bbf7d0;font-size:.68rem}.fcc-features span{margin-top:2px;color:#64748b;font-size:.61rem}.fuel-cost-calc-app button:focus-visible,.fcc-unit-switch input:focus-visible+span{outline:2px solid #7dd3fc;outline-offset:2px}
@container(max-width:760px){.fcc-grid{grid-template-columns:1fr}.fcc-fields{grid-template-columns:1fr}.fcc-result-card{min-height:330px}}
@container(max-width:480px){.fuel-cost-calc-app{padding:14px;border-radius:17px}.fcc-header{display:block}.fcc-header-actions{margin-top:10px}.fcc-unit-switch,.fcc-stats,.fcc-features{grid-template-columns:1fr}.fcc-result-card{min-height:0}.fcc-card{padding:14px}.fcc-total strong{font-size:2rem}}
@media(prefers-reduced-motion:reduce){.fuel-cost-calc-app *{transition-duration:.01ms!important}}