.plan-usage-panel {
    margin-bottom: 24px;
    padding: 24px 24px 22px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 28px;
    background: rgba(255, 251, 245, 0.84);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(8px);
}

.plan-usage-panel[hidden] {
    display: none !important;
}

.plan-usage-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.plan-usage-copy {
    flex: 1 1 520px;
    min-width: 0;
}

.plan-usage-title {
    margin: 0 0 8px;
    font-size: clamp(24px, 3vw, 32px);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.plan-composite-price-panel .plan-usage-title {
    font-size: clamp(18px, 2.2vw, 22px);
    letter-spacing: -0.02em;
}

.plan-usage-description {
    margin: 0;
    color: #425065;
    font-size: 14px;
    line-height: 1.75;
    max-width: 860px;
}

.plan-composite-price-panel .plan-usage-description {
    font-size: 13px;
    max-width: none;
}

.plan-usage-state {
    margin-top: 18px;
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    border: 1px dashed rgba(23, 32, 51, 0.14);
    background: rgba(255, 255, 255, 0.52);
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
    padding: 14px 18px;
}

.plan-usage-state[hidden] {
    display: none !important;
}

.plan-usage-state.is-error {
    color: #9f1239;
    border-color: rgba(239, 68, 68, 0.2);
    background: rgba(255, 236, 236, 0.72);
}

.plan-usage-chart {
    margin-top: 18px;
    width: 100%;
    height: 240px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(248, 242, 231, 0.7));
    border: 1px solid rgba(23, 32, 51, 0.08);
}

.plan-usage-chart[hidden] {
    display: none;
}

.plan-composite-price-panel {
    margin-top: 16px;
    margin-bottom: 16px;
}

.plan-composite-price-chart {
    height: 255px;
}

.plan-composite-price-panel .plan-usage-chart-block {
    margin-top: 12px;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
}

.plan-composite-price-panel .plan-usage-chart {
    margin-top: 0;
    border: none;
    border-radius: 0;
    background: transparent;
}

.plan-composite-price-panel .plan-usage-state {
    margin-top: 0;
    border-radius: 10px;
}

.plan-usage-chart-scroll {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
}

.plan-usage-chart-block {
    padding: 18px 18px 16px;
    border-radius: 22px;
    border: 1px solid rgba(23, 32, 51, 0.08);
    background: rgba(255, 255, 255, 0.28);
    min-width: 0;
}

@media (max-width: 900px) {
    .plan-usage-panel {
        padding: 20px 18px 18px;
        border-radius: 24px;
    }

    .plan-usage-header {
        gap: 14px;
    }

    .plan-usage-chart {
        height: 225px;
    }

    .plan-composite-price-chart {
        height: 225px;
    }
}

@media (max-width: 768px) {
    .plan-usage-panel {
        overflow-x: clip;
    }

    .plan-usage-chart {
        width: 680px;
        max-width: none;
    }

    .plan-usage-chart-scroll {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior-x: contain;
    }
}

@media (max-width: 640px) {
    .plan-usage-title {
        font-size: 24px;
    }

    .plan-composite-price-panel .plan-usage-title {
        font-size: 18px;
    }

    .plan-usage-chart {
        height: 210px;
    }

    .plan-composite-price-chart {
        height: 210px;
    }
}