.rcc {
    --rcc-bg: #18212f;
    --rcc-panel-bg: #0f1722;
    --rcc-plot-bg: #111827;
    --rcc-text: #e5e7eb;
    --rcc-muted: #a5b4c7;
    --rcc-border: #475569;
    --rcc-grid: #334155;
    --rcc-axis: #94a3b8;
    --rcc-output: #d1fae5;
    --rcc-control-bg: #273449;
    display: block;
    box-sizing: border-box;
    width: 100%;
    padding: 14px;
    border: 1px solid #334155;
    border-radius: 12px;
    background: var(--rcc-bg);
    color: var(--rcc-text);
    font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.rcc[theme="light"] {
    --rcc-bg: #ffffff;
    --rcc-panel-bg: #f4f6f8;
    --rcc-plot-bg: #ffffff;
    --rcc-text: #20242a;
    --rcc-muted: #59636f;
    --rcc-border: #b8c0c9;
    --rcc-grid: #d7dce2;
    --rcc-axis: #66717d;
    --rcc-output: #17643a;
    --rcc-control-bg: #e8edf2;
}

.rcc *, .rcc *::before, .rcc *::after { box-sizing: border-box; }
.rcc-toolbar, .rcc-graph-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}
.rcc button, .rcc select {
    min-height: 36px;
    border: 1px solid var(--rcc-border);
    border-radius: 7px;
    background: var(--rcc-control-bg);
    color: inherit;
    padding: 6px 14px;
    font: inherit;
}
.rcc button { cursor: pointer; background: #087aa5; border-color: #0e8fc0; }
.rcc button:hover { background: #0991c3; }
.rcc-editor-wrap {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    width: 100%;
    height: 230px;
    min-height: 120px;
    resize: vertical;
    overflow: hidden;
    border: 1px solid var(--rcc-border);
    border-radius: 8px;
    background: var(--rcc-panel-bg);
}
.rcc-line-numbers {
    min-width: 3.2em;
    height: 100%;
    margin: 0;
    padding: 12px 8px 12px 4px;
    overflow: hidden;
    border-right: 1px solid var(--rcc-border);
    color: var(--rcc-muted);
    text-align: right;
    user-select: none;
    font: 14px/1.45 "Cascadia Mono", Consolas, monospace;
}
.rcc-editor {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 0;
    resize: none;
    border: 0;
    border-radius: 0;
    background: var(--rcc-panel-bg);
    color: var(--rcc-text);
    padding: 12px;
    tab-size: 4;
    font: 14px/1.45 "Cascadia Mono", Consolas, monospace;
}
.rcc-status { color: var(--rcc-muted); font-size: 13px; }
.rcc-variables {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
    margin: 9px 0;
}
.rcc-variables[hidden] { display: none; }
.rcc-variables label { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 7px; }
.rcc-variables label span { overflow: hidden; color: #cbd5e1; text-overflow: ellipsis; }
.rcc-variables input {
    width: 100%;
    min-width: 0;
    min-height: 34px;
    border: 1px solid var(--rcc-border);
    border-radius: 7px;
    background: var(--rcc-panel-bg);
    color: var(--rcc-text);
    padding: 5px 8px;
    font: inherit;
}
.rcc-text .rcc-status { display: block; margin: 8px 0; }
.rcc-output {
    min-height: 46px;
    margin: 10px 0 0;
    padding: 10px;
    overflow: auto;
    white-space: pre-wrap;
    border-radius: 8px;
    background: var(--rcc-panel-bg);
    color: var(--rcc-output);
    font: 13px/1.45 "Cascadia Mono", Consolas, monospace;
}
.rcc-canvas-wrap { position: relative; width: 100%; }
.rcc-hover-point {
    position: absolute;
    z-index: 3;
    width: 10px;
    height: 10px;
    pointer-events: none;
    border: 2px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 1px #1f2937;
    transform: translate(-50%, -50%);
}
.rcc-hover-point[hidden] { display: none; }
.rcc-graph-output { max-width: 100%; }
.rcc-plot-stack { display: grid; gap: 18px; }
.rcc-plot-stack[hidden], .rcc-single-plot[hidden] { display: none; }
.rcc-stacked-plot { min-width: 0; }
.rcc-keep-together { break-inside: avoid; page-break-inside: avoid; }
.rcc-canvas { display: block; width: 100%; height: 360px; border-radius: 8px; touch-action: none; }
.rcc-tooltip {
    position: absolute;
    z-index: 2;
    min-width: 150px;
    max-width: 220px;
    padding: 7px 9px;
    pointer-events: none;
    white-space: pre-line;
    border: 1px solid var(--rcc-border);
    border-radius: 6px;
    background: color-mix(in srgb, var(--rcc-panel-bg) 94%, transparent);
    color: var(--rcc-text);
    font: 12px/1.35 system-ui, sans-serif;
}
.rcc-legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 8px; font-size: 13px; }
.rcc-legend span { display: inline-flex; align-items: center; gap: 6px; }
.rcc-legend i { display: inline-block; width: 18px; height: 3px; border-radius: 2px; }
.rcc-print-output { display: none; }
.rcc-print-plot {
    display: inline-block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 14px;
    vertical-align: top;
    break-inside: avoid-page;
    page-break-inside: avoid;
}
.rcc-print-frame { max-width: 100%; }
.rcc-print-plot svg {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
    overflow: hidden;
}

@media (max-width: 640px) {
    .rcc { padding: 10px; border-radius: 8px; }
    .rcc-editor-wrap { height: 190px; }
    .rcc-editor, .rcc-line-numbers { font-size: 13px; }
    .rcc-canvas { height: 300px; }
    .rcc-toolbar { align-items: stretch; }
}

@media (prefers-color-scheme: light) {
    .rcc[theme="system"] {
        --rcc-bg: #ffffff;
        --rcc-panel-bg: #f4f6f8;
        --rcc-plot-bg: #ffffff;
        --rcc-text: #20242a;
        --rcc-muted: #59636f;
        --rcc-border: #b8c0c9;
        --rcc-grid: #d7dce2;
        --rcc-axis: #66717d;
        --rcc-output: #17643a;
        --rcc-control-bg: #e8edf2;
    }
}

@media print {
    .rcc-graph.rcc-print-ready {
        width: 100% !important;
        padding: 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        background: transparent !important;
    }
    .rcc-graph.rcc-print-ready > .rcc-toolbar,
    .rcc-graph.rcc-print-ready > .rcc-editor-wrap,
    .rcc-graph.rcc-print-ready > .rcc-variables,
    .rcc-graph.rcc-print-ready > .rcc-graph-controls,
    .rcc-graph.rcc-print-ready > .rcc-output { display: none !important; }
    .rcc-graph-output { max-height: none !important; overflow: visible !important; }
    .rcc-stacked-plot, .rcc-single-plot { max-height: none !important; overflow: visible !important; }
    .rcc-graph.rcc-print-ready .rcc-single-plot,
    .rcc-graph.rcc-print-ready .rcc-plot-stack,
    .rcc-graph.rcc-print-ready .rcc-plot-select,
    .rcc-graph.rcc-print-ready .rcc-tooltip,
    .rcc-graph.rcc-print-ready .rcc-hover-point { display: none !important; }
    .rcc-graph.rcc-print-ready .rcc-print-output {
        display: block !important;
        width: 100% !important;
        max-width: none !important;
        overflow: visible !important;
        font-size: 0;
    }
    .rcc-graph.rcc-print-ready .rcc-print-plot {
        display: inline-block !important;
        width: 100% !important;
        margin: 0 0 5mm !important;
        break-inside: avoid-page !important;
        page-break-inside: avoid !important;
    }
    .rcc-graph.rcc-print-ready .rcc-print-frame {
        max-height: 250mm;
        break-inside: avoid-page !important;
        page-break-inside: avoid !important;
    }
    .rcc-graph.rcc-print-ready .rcc-print-plot svg {
        max-height: 250mm;
        overflow: hidden !important;
    }
}