/* ── Price History Chart ────────────────────────────────────── */
.pfdb-price-chart-wrap {
    margin-top: 2.5rem;
    padding: 1.5rem;
    background: var(--pf-white);
    border: 2px solid var(--pf-gray);
    border-radius: 6px;
}

.pfdb-chart-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.pfdb-chart-title {
    font-family: 'Oswald', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--pf-navy);
    margin: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.pfdb-chart-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.pfdb-tier-buttons,
.pfdb-range-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.pfdb-tier-btn,
.pfdb-range-btn {
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1.5px solid var(--pf-gray);
    border-radius: 4px;
    background: var(--pf-white);
    color: var(--pf-gray3);
    cursor: pointer;
    transition: all 0.15s;
}

.pfdb-tier-btn:hover,
.pfdb-range-btn:hover {
    border-color: var(--pf-navy);
    color: var(--pf-navy);
}

.pfdb-tier-btn.pfdb-tier-active {
    background: var(--pf-navy);
    border-color: var(--pf-navy);
    color: var(--pf-yellow);
}

.pfdb-range-btn.pfdb-range-active {
    background: var(--pf-red);
    border-color: var(--pf-red);
    color: var(--pf-yellow);
}

/* Divider between tier and range buttons */
.pfdb-tier-buttons {
    border-right: 1px solid var(--pf-gray);
    padding-right: 8px;
}

.pfdb-chart-container {
    position: relative;
    height: 260px;
    width: 100%;
}

.pfdb-chart-stats {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.pfdb-stat-pill {
    font-size: 12px;
    padding: 3px 10px;
    background: var(--pf-off);
    border-radius: 4px;
    color: var(--pf-gray3);
}

.pfdb-stat-up { background: #DCFCE7; color: #14532D; }
.pfdb-stat-down { background: #FEE2E2; color: #7F1D1D; }

.pfdb-chart-source {
    font-size: 10px;
    color: var(--pf-gray2);
    margin-top: 8px;
    text-align: right;
}

.pfdb-chart-empty {
    text-align: center;
    padding: 2rem;
    color: var(--pf-gray2);
    font-size: 14px;
}

.pfdb-chart-pending {
    border-style: dashed;
    opacity: 0.7;
}

@media (max-width: 640px) {
    .pfdb-chart-header {
        flex-direction: column;
    }
    .pfdb-tier-buttons {
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid var(--pf-gray);
        padding-bottom: 8px;
    }
    .pfdb-chart-container {
        height: 200px;
    }
}