.fuel-layout {
    align-items: start;
}

.fuel-price-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: var(--navy);
    color: var(--white);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 24px;
}

.fuel-price-label {
    display: block;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.fuel-price-banner strong {
    font-size: 1.45rem;
}

.fuel-price-badge {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    padding: 7px 13px;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
}

.fuel-result-card {
    position: static;
}

.fuel-hero-result {
    text-align: center;
    background: var(--green-light);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.fuel-hero-result span,
.fuel-hero-result small {
    display: block;
    color: var(--muted);
}

.fuel-hero-result span {
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.fuel-hero-result strong {
    display: block;
    color: var(--green);
    font-size: 1.9rem;
    margin-bottom: 3px;
}

.fuel-hero-result small {
    font-size: 0.78rem;
}

.saving-period-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    margin-top: 12px;
}

.saving-period-control label {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.saving-period-control select {
    min-width: 112px;
    padding: 7px 10px;
    border: 1px solid rgba(15, 39, 71, 0.16);
    border-radius: 8px;
    background: var(--white);
    color: var(--text);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 700;
}

.saving-period-control select:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(15, 139, 95, 0.12);
}

.fuel-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.fuel-car-result {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 17px;
    background: var(--white);
}

.fuel-car-result.car-b {
    border-color: rgba(15, 139, 95, 0.35);
    background: #fbfefc;
}

.fuel-car-title {
    color: var(--navy);
    font-weight: 800;
    margin-bottom: 12px;
}

.fuel-big-number {
    color: var(--navy);
    font-size: 1.45rem;
    font-weight: 800;
}

.fuel-car-result > span {
    color: var(--muted);
    font-size: 0.75rem;
}

.fuel-stat {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding-top: 10px;
    margin-top: 10px;
    border-top: 1px solid var(--border);
    font-size: 0.78rem;
}

.fuel-stat span {
    color: var(--muted);
}

.fuel-stat strong {
    color: var(--text);
    white-space: nowrap;
}

.fuel-notice,
.fuel-form-error {
    margin-top: 18px;
    border-radius: 10px;
    padding: 14px 16px;
}

.fuel-notice {
    background: #fff7e8;
    border: 1px solid #f1d49a;
}

.fuel-notice strong {
    display: block;
    color: #9a6700;
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.fuel-notice p {
    color: #7a5a1a;
    font-size: 0.8rem;
}

.fuel-form-error {
    background: #fff1f1;
    border: 1px solid #e5b5b5;
    color: #9b3030;
    font-size: 0.82rem;
}

.fuel-graph-card {
    margin-top: 24px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
}

.fuel-graph-card-wide {
    width: 100%;
    box-sizing: border-box;
}

.fuel-graph-heading h3 {
    color: var(--navy);
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.fuel-graph-heading p {
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.55;
    margin-bottom: 14px;
    max-width: 760px;
}

.fuel-chart-wrap {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    border-radius: 10px;
}

.fuel-chart {
    display: block;
    width: 100%;
    height: auto;
    min-height: 360px;
}

.chart-grid {
    stroke: var(--border);
    stroke-width: 1;
}

.chart-grid-vertical {
    opacity: 0.45;
    stroke-dasharray: 3 5;
}

.chart-axis-label {
    fill: var(--muted);
    font-size: 12px;
}

.chart-axis-title,
.chart-current-label,
.chart-value-label {
    fill: var(--text);
    font-size: 12px;
    font-weight: 600;
}

.chart-line {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.chart-line-a {
    stroke: #486581;
}

.chart-line-b {
    stroke: var(--green);
}

.chart-dot {
    stroke: var(--white);
    stroke-width: 2;
}

.chart-dot-a {
    fill: #486581;
}

.chart-dot-b {
    fill: var(--green);
}

.chart-current-distance {
    stroke: var(--green);
    stroke-width: 1.5;
    stroke-dasharray: 5 4;
    opacity: 0.7;
}

.chart-current-label {
    fill: var(--green);
    font-size: 11px;
}

.fuel-chart-legend {
    display: flex;
    justify-content: center;
    gap: 22px;
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.78rem;
}

.fuel-chart-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.legend-line {
    width: 22px;
    height: 3px;
    border-radius: 999px;
    display: inline-block;
}

.legend-a {
    background: #486581;
}

.legend-b {
    background: var(--green);
}

.fuel-explanation {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 24px;
}

.fuel-explanation h3 {
    color: var(--navy);
    margin-bottom: 16px;
}

.fuel-formula-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.fuel-formula-grid div {
    background: var(--background);
    border-radius: 10px;
    padding: 14px;
}

.fuel-formula-grid strong,
.fuel-formula-grid span {
    display: block;
}

.fuel-formula-grid strong {
    color: var(--navy);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.fuel-formula-grid span {
    color: var(--muted);
    font-size: 0.8rem;
}

.fuel-back-link {
    margin-top: 22px;
    text-align: center;
}

.fuel-back-button {
    min-width: 220px;
}

@media (max-width: 600px) {
    .fuel-price-banner {
        align-items: flex-start;
        padding: 17px;
    }

    .fuel-price-banner strong {
        font-size: 1.2rem;
    }

    .fuel-comparison-grid,
    .fuel-formula-grid {
        grid-template-columns: 1fr;
    }

    .fuel-hero-result strong {
        font-size: 1.65rem;
    }

    .saving-period-control {
        flex-direction: column;
        gap: 6px;
    }

    .saving-period-control select {
        width: min(180px, 100%);
    }

    .fuel-graph-card {
        padding: 14px;
    }

    .fuel-chart-wrap {
        overflow-x: auto;
    }

    .fuel-chart {
        width: 100%;
        min-width: 0;
        min-height: 220px;
    }

    .chart-axis-label {
        font-size: 9px;
    }

    .chart-axis-title {
        font-size: 9px;
    }

    .chart-current-label,
    .chart-value-label {
        font-size: 9px;
    }
}