/* Secondary Metrics Bar */
.metrics-section {
    flex: 0 0 10vh;
    min-height: 8vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 15px;
    border-top: 1px solid #1a1a1a;
    border-bottom: 1px solid #1a1a1a;
}

.metrics-container {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Mobile optimization */
@media (max-width: 375px) {
    .metrics-container {
        gap: 10px;
        font-size: 13px;
    }
}

.metric-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: color 0.2s;
    padding: 5px 10px;
    border-radius: 5px;
}

.metric-item:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.metric-label {
    margin-right: 5px;
}

.metric-value {
    font-weight: 500;
    color: var(--color-text);
}

.metric-separator {
    color: #333;
    user-select: none;
    cursor: default;
}

/* HRV Overlay */
.hrv-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: none;
    flex-direction: column;
    padding: 20px;
}

.hrv-overlay.active {
    display: flex;
}

.hrv-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.hrv-title {
    font-size: 24px;
    font-weight: 300;
}

.hrv-content {
    flex: 1;
    overflow-y: auto;
}

.hrv-chart {
    width: 100%;
    height: 300px;
    background: #0a0a0a;
    border-radius: 10px;
    margin-bottom: 20px;
    padding: 20px;
}

.hrv-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.hrv-metric-card {
    background: #0a0a0a;
    border-radius: 10px;
    padding: 15px;
}

.hrv-metric-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 5px;
    text-transform: uppercase;
}

.hrv-metric-value {
    font-size: 24px;
    font-weight: 300;
}

.hrv-metric-unit {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-left: 5px;
}