/* ========================================
   Page Cours - baril, graphiques
   ======================================== */

/* ---- Baril ---- */
.barrel-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    overflow: hidden;
}

.barrel-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.barrel-price {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.1;
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
    background: linear-gradient(120deg, var(--color-text), var(--color-accent-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.barrel-unit {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-left: 4px;
    -webkit-text-fill-color: var(--color-text-muted);
}

.barrel-change {
    font-size: 0.9rem;
    font-weight: 700;
    margin-top: 6px;
}

.barrel-change.up { color: var(--color-danger); }
.barrel-change.down { color: var(--color-success); }

.barrel-spark {
    width: 45%;
    max-width: 320px;
    height: 80px;
    flex-shrink: 0;
}

/* ---- Graphique ---- */
.chart-card {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.chart-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.chart-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.chart-legend {
    display: flex;
    gap: var(--spacing-md);
    margin-top: 8px;
    flex-wrap: wrap;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.legend-item em {
    font-style: normal;
    opacity: 0.7;
    font-size: 0.75rem;
}

.legend-dot {
    width: 12px;
    height: 3px;
    border-radius: 2px;
}

.dot-nat { background: var(--color-text-muted); }
.dot-ind { background: var(--color-primary); box-shadow: 0 0 8px var(--color-primary-glow); }

.range-group { display: flex; gap: 6px; }

.chart-wrap {
    position: relative;
    width: 100%;
}

.chart-svg {
    width: 100%;
    height: 320px;
    display: block;
    overflow: visible;
}

.chart-tooltip {
    position: absolute;
    pointer-events: none;
    background: rgba(10, 14, 20, 0.92);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 8px 11px;
    font-size: 0.8rem;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-card);
    opacity: 0;
    transition: opacity 0.12s;
    white-space: nowrap;
    z-index: 20;
}

.chart-tooltip .tt-date {
    color: var(--color-text-muted);
    margin-bottom: 5px;
    font-size: 0.72rem;
}

.chart-tooltip .tt-row {
    display: flex;
    align-items: center;
    gap: 7px;
    font-variant-numeric: tabular-nums;
}

.chart-tooltip .tt-row + .tt-row { margin-top: 3px; }

/* éléments SVG */
.grid-line { stroke: var(--glass-border); stroke-width: 1; }
.axis-label { fill: var(--color-text-light); font-size: 11px; font-family: var(--font-family); }
.line-nat { fill: none; stroke: var(--color-text-muted); stroke-width: 2; stroke-linejoin: round; opacity: 0.75; }
.line-ind { fill: none; stroke: var(--color-primary); stroke-width: 2.5; stroke-linejoin: round;
    filter: drop-shadow(0 0 5px var(--color-primary-glow)); }
.hover-line { stroke: var(--color-primary-light); stroke-width: 1; stroke-dasharray: 4 4; opacity: 0.6; }
.hover-dot-nat { fill: var(--color-text-muted); }
.hover-dot-ind { fill: var(--color-primary-light); }

.stat-value.up { color: var(--color-danger); -webkit-text-fill-color: var(--color-danger); background: none; }
.stat-value.down { color: var(--color-success); -webkit-text-fill-color: var(--color-success); background: none; }

.cours-note {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-align: center;
    padding: 0 var(--spacing-md) var(--spacing-lg);
    line-height: 1.6;
}

@media (max-width: 600px) {
    .barrel-card { flex-direction: column; align-items: flex-start; }
    .barrel-spark { width: 100%; max-width: none; }
    .chart-svg { height: 240px; }
}