html.signal-chart-modal-open { overflow: hidden; }
.signal-actions [data-signal-action="risk"] { grid-column: auto; }
.signal-actions [data-signal-action="chart"] { color: var(--gold); border-color: var(--border-gold); background: var(--gold-dim); }
#signalChartDialog { margin: auto; padding: 0; width: min(1120px, calc(100% - 24px)); max-width: calc(100% - 24px); height: min(760px, calc(100dvh - 24px)); max-height: calc(100dvh - 24px); overflow: hidden; background: var(--bg2); color: var(--text); border: 1px solid var(--border-gold); border-radius: 18px; box-shadow: 0 28px 90px rgba(0,0,0,.48); }
#signalChartDialog::backdrop { background: var(--overlay-bg); backdrop-filter: blur(5px); }
.signal-chart-shell { height: 100%; min-width: 0; display: grid; grid-template-rows: auto auto auto minmax(300px, 1fr) auto auto; }
.signal-chart-header { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.signal-chart-header > div { min-width: 0; }
.signal-chart-header > div > span { display: block; color: var(--gold); font: 500 .67rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.signal-chart-header h2 { margin: 4px 0 2px; font-size: 1.2rem; overflow-wrap: anywhere; }
.signal-chart-header p { margin: 0; color: var(--text2); font-size: .73rem; line-height: 1.5; overflow-wrap: anywhere; }
.signal-chart-header button { width: 44px; height: 44px; flex: 0 0 44px; display: grid; place-items: center; border: 1px solid var(--border2); border-radius: 10px; background: var(--bg3); color: var(--text); cursor: pointer; }
.signal-chart-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 20px; border-bottom: 1px solid var(--border); }
.signal-chart-timeframes { display: flex; gap: 6px; min-width: 0; }
.signal-chart-timeframes button, #signalChartRefresh, #signalChartRetry { min-height: 44px; padding: 8px 13px; border: 1px solid var(--border2); border-radius: 8px; background: var(--subtle-bg); color: var(--text2); font: 500 .72rem var(--font); cursor: pointer; }
.signal-chart-timeframes button[aria-pressed="true"] { color: var(--gold); border-color: var(--border-gold); background: var(--gold-dim); }
#signalChartRefresh { display: inline-flex; align-items: center; justify-content: center; gap: 7px; flex-shrink: 0; }
#signalChartRefresh:disabled { opacity: .5; cursor: wait; }
.signal-chart-meta { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 12px; padding: 8px 20px; color: var(--text2); font-size: .67rem; line-height: 1.5; }
.signal-chart-meta span { overflow-wrap: anywhere; }
#signalChartUpdated { text-align: right; }
.signal-chart-live { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 27px; padding: 4px 9px; border: 1px solid var(--border2); border-radius: 999px; background: var(--subtle-bg); white-space: nowrap; }
.signal-chart-live i { width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: var(--text3); }
.signal-chart-live b { color: var(--text); font: 500 .65rem var(--font-mono); }
.signal-chart-live[data-state="connecting"] i { background: var(--gold); animation: signal-chart-pulse 1.2s ease-in-out infinite; }
.signal-chart-live[data-state="live"] { color: var(--green); border-color: color-mix(in srgb, var(--green) 35%, transparent); background: color-mix(in srgb, var(--green) 9%, transparent); }
.signal-chart-live[data-state="live"] i { background: var(--green); box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 14%, transparent); }
.signal-chart-live[data-state="offline"] { color: var(--text3); }
.signal-chart-stage { position: relative; min-width: 0; min-height: 300px; margin: 0 12px; overflow: hidden; border: 1px solid var(--border); border-radius: 12px; background: var(--bg2); }
#signalChartCanvas { width: 100%; height: 100%; min-width: 0; min-height: 300px; }
#signalChartLivePrice { position: absolute; z-index: 3; right: 0; display: flex; flex-direction: column; align-items: stretch; min-width: 76px; padding: 3px 6px 4px; border-radius: 3px 0 0 3px; background: #475569; color: #fff; box-shadow: 0 2px 8px rgba(0,0,0,.2); pointer-events: none; }
#signalChartLivePrice strong { font: 700 .68rem/1.2 var(--font-mono); text-align: right; white-space: nowrap; }
#signalChartLivePrice span { margin-top: 1px; color: #dbe4ee; font: 500 .58rem/1.1 var(--font-mono); text-align: right; white-space: nowrap; }
.signal-chart-state { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 24px; text-align: center; background: color-mix(in srgb, var(--bg2) 93%, transparent); color: var(--text2); font-size: .78rem; line-height: 1.6; }
.signal-chart-state[hidden] { display: none; }
.signal-chart-state[data-state="error"] p { color: var(--red); max-width: 620px; }
.signal-chart-spinner { width: 24px; height: 24px; border: 2px solid var(--border2); border-top-color: var(--gold); border-radius: 50%; animation: signal-chart-spin .8s linear infinite; }
#signalChartRetry { color: var(--gold); border-color: var(--border-gold); background: var(--gold-dim); }
.signal-chart-levels { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 10px 20px; }
.signal-chart-levels > div { min-width: 0; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--subtle-bg); }
.signal-chart-levels dt { color: var(--text2); font-size: .58rem; letter-spacing: .04em; text-transform: uppercase; }
.signal-chart-levels dd { margin: 4px 0 0; color: var(--gold); font: 500 .75rem var(--font-mono); overflow-wrap: anywhere; }
.signal-chart-levels .sl dd { color: var(--red); }
.signal-chart-levels .tp dd { color: var(--green); }
.signal-chart-footer { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-width: 0; padding: 0 20px 12px; color: var(--text3); font-size: .62rem; }
.signal-chart-footer a { color: var(--text2); text-decoration: none; }
.signal-chart-footer a:hover { color: var(--gold); }
#signalChartDialog button:focus-visible, .signal-chart-footer a:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
@keyframes signal-chart-spin { to { transform: rotate(360deg); } }
@keyframes signal-chart-pulse { 50% { opacity: .35; transform: scale(.82); } }

@media (max-width: 600px) {
    #signalChartDialog { width: calc(100% - 12px); max-width: calc(100% - 12px); height: calc(100dvh - 12px); max-height: calc(100dvh - 12px); border-radius: 13px; }
    .signal-chart-shell { grid-template-rows: auto auto auto minmax(280px, 1fr) auto auto; }
    .signal-chart-header { padding: 11px 12px; }
    .signal-chart-header h2 { font-size: 1rem; }
    .signal-chart-toolbar { padding: 8px 12px; align-items: stretch; }
    .signal-chart-timeframes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); flex: 1; }
    .signal-chart-timeframes button { padding: 6px; }
    #signalChartRefresh { width: 44px; padding: 0; font-size: 0; }
    #signalChartRefresh svg { width: 18px; height: 18px; }
    .signal-chart-meta { grid-template-columns: minmax(0, 1fr) auto; padding: 7px 12px; font-size: .61rem; }
    #signalChartProvider { grid-column: 1; }
    .signal-chart-live { grid-column: 2; grid-row: 1 / span 2; padding-inline: 7px; }
    #signalChartUpdated { grid-column: 1; text-align: left; }
    .signal-chart-stage { margin: 0 6px; min-height: 280px; }
    #signalChartCanvas { min-height: 280px; }
    .signal-chart-levels { grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 8px 12px; gap: 6px; }
    .signal-chart-footer { padding: 0 12px max(9px, env(safe-area-inset-bottom)); flex-wrap: wrap; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
    .signal-chart-spinner, .signal-chart-live[data-state="connecting"] i { animation-duration: 1.6s; }
}