/* MINUTKATRADING COPPER historical-only chart */
.panel.signal .mt-copper-chart-open{padding:6px 12px;border-radius:9px;font-size:12px;font-weight:750;cursor:pointer;background:#263953;color:#e8f0ff;border:1px solid #486078}
#mtCopperDialog{box-sizing:border-box;width:min(96vw,940px);max-height:94dvh;overflow:auto;background:var(--surface,#161d29);color:var(--text,#fff);border:1px solid var(--border,#39485d);border-radius:14px;padding:15px}
#mtCopperDialog::backdrop{background:#050810d8}
.mt-copper-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.mt-copper-head h2{font-size:19px;margin:0}
.mt-copper-sub,.mt-copper-caution{color:var(--muted,#aaa);font-size:12px;line-height:1.5}
.mt-copper-tools{display:flex;flex-wrap:wrap;gap:9px;margin:11px 0}
.mt-copper-tools label{display:flex;flex-direction:column;gap:4px;flex:1 1 120px;font-size:12px;font-weight:650}
.mt-copper-tools select{padding:8px 9px}
#mtCopperCanvas{width:100%;height:min(52dvh,420px);min-height:260px}
#mtCopperStatus{font-size:12px;min-height:23px;color:var(--muted,#aab6cc);margin:8px 0}
#mtCopperAnalysis{margin-top:10px;padding:11px;border-radius:11px;background:var(--bg,#0c1018);border:1px solid var(--border,#303a4a);font-size:13px}
#mtCopperAnalysis table{width:100%;border-collapse:collapse;font-size:12px;margin-top:10px}
#mtCopperAnalysis td,#mtCopperAnalysis th{text-align:left;padding:7px 5px;border-bottom:1px solid var(--border,#303a4a)}
.mt-copper-metrics{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:10px}
.mt-copper-metrics>div{border:1px solid var(--border,#303a4a);border-radius:10px;padding:11px}
.mt-copper-metrics b{display:block;font-size:17px;margin-top:5px}
html[data-mt-theme="light"] .panel.signal .mt-copper-chart-open{background:#e8eef9;color:#193356;border-color:#b9c8dc}
@media(max-width:520px){#mtCopperDialog{padding:10px}#mtCopperCanvas{min-height:240px}}

/* V4.4.1: clear, full-width action on every COPPER card, including STRONG. */
.panel.signal .meta>.mt-copper-chart-open{flex:0 0 100%;display:block;width:100%;margin-top:7px;padding:10px 12px;text-align:center;border-radius:10px;background:#23446c;color:#f3f7ff;border-color:#567da9}
html[data-mt-theme="light"] .panel.signal .meta>.mt-copper-chart-open{background:#dce9fa;color:#123e68;border-color:#a8c0e4}