/* Chart-specific additions, built on the main.css BPN tokens */
.chart-card{background:var(--bpn-card);border:1px solid var(--bpn-border);border-radius:6px;padding:22px 24px 18px;margin-bottom:18px}
.chart-title{font-family:var(--font-head);font-size:0.78rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--bpn-muted);margin-bottom:14px;display:block}
.chart-legend{display:flex;gap:22px;flex-wrap:wrap;margin-bottom:14px;font-family:var(--font-body);font-size:0.82rem;color:var(--bpn-muted)}
.chart-legend span{display:inline-flex;align-items:center;gap:7px}
.chart-swatch{width:12px;height:12px;border-radius:3px;display:inline-block;flex-shrink:0}
.sw-green{background:var(--bpn-green)}
.sw-gold{background:var(--bpn-gold)}
.sw-purple{background:var(--cat-forward-signal)}
.sw-orange{background:var(--cat-not-recommended);background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.4) 0 2px,transparent 2px 5px)}
.chart-svg-wrap{position:relative}
.chart-svg-wrap svg{display:block;width:100%;height:auto;overflow:visible}
.grid-line{stroke:var(--bpn-border);stroke-width:1;stroke-dasharray:2 3}
.axis-line{stroke:#b8b2a8;stroke-width:1}
.tick-label{font-family:var(--font-body);font-size:9px;fill:var(--bpn-muted)}
.chart-tooltip{position:absolute;pointer-events:none;z-index:5;opacity:0;transition:opacity .1s;background:var(--bpn-dark);color:#fff;font-family:var(--font-body);font-size:.78rem;padding:.5rem .65rem;border-radius:5px;line-height:1.6;white-space:nowrap;transform:translate(-50%,-100%);box-shadow:0 4px 14px rgba(0,0,0,.22)}
.chart-tooltip .row{display:flex;justify-content:space-between;gap:1rem}

.caveat-box{background:#f6ece8;border:1px solid #ddb7ab;border-left:4px solid var(--cat-not-recommended);border-radius:0 6px 6px 0;padding:16px 20px;margin:18px 0}
.caveat-box .ct{font-family:var(--font-head);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--cat-not-recommended);margin-bottom:6px}
.caveat-box p{margin:0;font-size:.92rem;color:#4a352c;line-height:1.6}
.finding-box{background:#eef4ef;border:1px solid #bcdec8;border-left:4px solid var(--bpn-green);border-radius:0 6px 6px 0;padding:16px 20px;margin:18px 0}
.finding-box .ct{font-family:var(--font-head);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--bpn-green);margin-bottom:6px}
.finding-box p{margin:0;font-size:.92rem;color:#204030;line-height:1.6}

.data-table-wrap{position:relative;overflow-x:auto;border:1px solid var(--bpn-border);border-radius:6px;background:var(--bpn-card)}
.data-table-wrap table{width:100%;border-collapse:collapse;font-family:var(--font-body);font-size:.85rem}
.data-table-wrap th,.data-table-wrap td{text-align:right;padding:9px 12px;border-bottom:1px solid var(--bpn-border);white-space:nowrap}
.data-table-wrap th:first-child,.data-table-wrap td:first-child{text-align:left;white-space:normal}
.data-table-wrap th{background:var(--bpn-bg);font-family:var(--font-head);font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--bpn-muted)}
.data-table-wrap tr:last-child td{border-bottom:0}
.data-table-wrap.has-overflow::after{content:'';position:sticky;float:right;top:0;right:0;height:100%;width:28px;margin-left:-28px;background:linear-gradient(to right, rgba(245,243,241,0), var(--bpn-card));pointer-events:none;display:block;opacity:1;transition:opacity .15s}
.data-table-wrap.has-overflow.scrolled-end::after{opacity:0}
.scroll-hint{display:none;font-size:.72rem;color:var(--bpn-muted);margin:6px 0 0;text-align:right}
.data-table-wrap.has-overflow + .scroll-hint{display:block}
.data-table-wrap.has-overflow.scrolled-end + .scroll-hint{opacity:.4}
.max-h{max-height:440px;overflow-y:auto}
.scroll-note{font-size:.8rem;color:var(--bpn-muted);margin:8px 0 0}

@media (max-width:760px){
  .chart-card{padding:16px 16px 12px}
}