/***************************************************************/
/* MODERN PANELS - Bootstrap 3 compatible                     */
/***************************************************************/

:root {
    --panel-background: #ffffff;
    --panel-border: #e3e8ef;
    --panel-header-background: #e6ebef;
    --panel-footer-background: #e6ebef;
    --panel-title: #263746;
    --panel-text: #4b5563;
    --panel-muted: #7b8794;
    --panel-accent: #b18849;
    --panel-radius: 10px;
    --panel-shadow: 0 4px 14px rgba(32, 45, 64, 0.07);
    --panel-shadow-hover: 0 8px 24px rgba(32, 45, 64, 0.11);
}

/*
 * Container
 * Compatible avec :
 * <div class="panel panel-x">
 */
.panel.panel-x {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 0;
    margin-bottom: 30px;
    background-color: var(--panel-background);
    border: 1px solid var(--panel-border);
    border-radius: var(--panel-radius);
    box-shadow: var(--panel-shadow);
    overflow: visible;
    opacity: 1;
    transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    -webkit-column-break-inside: avoid;
    -moz-column-break-inside: avoid;
    break-inside: avoid;
}

    /*
 * Ombre légèrement renforcée au survol.
 * À retirer pour les écrans contenant beaucoup de panels.
 */
    .panel.panel-x:hover {
        border-color: #d7dde5;
        box-shadow: var(--panel-shadow-hover);
    }

    /***************************************************************/
    /* HEADER                                                      */
    /***************************************************************/

    .panel.panel-x .panel-heading {
        position: relative;
        flex: 0 0 auto;
        margin: 0;
        padding: 18px 22px;
        color: var(--panel-title);
        background-color: var(--panel-header-background);
        border: 0;
        border-bottom: 1px solid var(--panel-border);
        border-radius: 0;
        border-top-left-radius: var(--panel-radius);
        border-top-right-radius: var(--panel-radius);
    }

        /*
 * Accent visuel discret.
 */
        .panel.panel-x .panel-heading::before {
            top: 14px;
            bottom: 14px;
            left: 0;
            width: 3px;
            background-color: var(--panel-accent);
            border-radius: 0 3px 3px 0;
        }

        /*
 * Titres existants.
 */
        .panel.panel-x .panel-heading h1,
        .panel.panel-x .panel-heading h2,
        .panel.panel-x .panel-heading h3,
        .panel.panel-x .panel-heading h4 {
            color: #243444;
            font-weight: 650;
            letter-spacing: -0.015em;
        }

        /*
 * Taille adaptée au h2 actuellement utilisé dans les panels.
 */
        .panel.panel-x .panel-heading h2 {
            font-size: 1.7rem;
            letter-spacing: normal;
        }

        /*
 * Texte secondaire dans le header.
 */
        .panel.panel-x .panel-heading .text-info {
            margin-left: 8px;
            color: var(--panel-muted);
            font-size: 0.9em;
            font-weight: 400;
        }

    .panel.panel-x .panel-heading {
        display: flex;
        align-items: center;
        gap: 12px;
    }

        .panel.panel-x .panel-heading > h1,
        .panel.panel-x .panel-heading > h2,
        .panel.panel-x .panel-heading > h3,
        .panel.panel-x .panel-heading > h4 {
            flex: 1 1 auto;
            min-width: 0;
        }

        .panel.panel-x .panel-heading .panel-collapse-toggle {
            position: static;
            flex: 0 0 auto;
            float: none !important;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            margin: 0 0 0 auto;
            color: #7b8794;
            background-color: transparent;
            border: 1px solid transparent;
            border-radius: 7px;
            cursor: pointer;
            transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
        }

            .panel.panel-x .panel-heading .panel-collapse-toggle:hover,
            .panel.panel-x .panel-heading .panel-collapse-toggle:focus {
                color: var(--panel-accent);
                background-color: #ffffff;
                border-color: var(--panel-border);
            }


    /***************************************************************/
    /* BODY                                                        */
    /***************************************************************/

    .panel.panel-x .panel-body {
        flex: 1 1 auto;
        float: none;
        clear: none;
        width: 100%;
        min-height: 0;
        margin: 0;
        padding: 22px;
        color: var(--panel-text);
        background-color: var(--panel-background);
    }

        /*
 * Conserve ton comportement actuel :
 * les h2 internes au body restent masqués.
 */
        .panel.panel-x .panel-body > h2 {
            display: none;
            visibility: hidden;
        }

    /***************************************************************/
    /* PANEL BODY HEADING                                          */
    /***************************************************************/

    .panel.panel-x .panel-body-heading {
        display: flex;
        align-items: center;
        gap: 11px;
        width: 100%;
        min-width: 0;
        margin: 0 0 16px 0;
        padding: 0 0 11px 0;
        color: var(--panel-title);
        border-bottom: 1px solid var(--panel-border);
        text-transform: none;
    }


    /***************************************************************/
    /* ICON                                                        */
    /***************************************************************/

    .panel.panel-x .panel-body-heading-icon {
        display: inline-flex;
        flex: 0 0 auto;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        color: var(--panel-accent);
        background-color: #f5f1ea;
        border: 1px solid #e9dfcf;
        border-radius: 9px;
        font-size: 0.95em;
    }


    /***************************************************************/
    /* CONTENT                                                     */
    /***************************************************************/

    .panel.panel-x .panel-body-heading-content {
        flex: 1 1 auto;
        min-width: 0;
    }


    /***************************************************************/
    /* TITLE                                                       */
    /***************************************************************/

    .panel.panel-x .panel-body-heading h3,
    .panel.panel-x .panel-body-heading h4 {
        margin: 0;
        padding: 0;
        overflow: hidden;
        color: var(--panel-title);
        border: 0;
        font-size: 1em;
        font-weight: 650;
        letter-spacing: -0.01em;
        line-height: 1.35;
        text-decoration: none;
        text-overflow: ellipsis;
        text-transform: none;
        white-space: nowrap;
    }


    /***************************************************************/
    /* SUBTITLE                                                    */
    /***************************************************************/

    .panel.panel-x .panel-body-heading-subtitle {
        margin-top: 2px;
        overflow: hidden;
        color: var(--panel-muted);
        font-size: 0.78em;
        font-weight: 400;
        line-height: 1.35;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /***************************************************************/
    /* FOOTER                                                      */
    /***************************************************************/

    .panel.panel-x .panel-footer {
        display: flex;
        flex: 0 0 auto;
        flex-wrap: wrap;
        align-items: center;
        justify-content: flex-end;
        gap: 8px;
        float: none;
        clear: none;
        width: 100%;
        margin: 0;
        padding: 14px 22px;
        background-color: var(--panel-footer-background) !important;
        border: 0;
        border-top: 1px solid var(--panel-border);
        border-radius: 0;
        border-bottom-left-radius: var(--panel-radius);
        border-bottom-right-radius: var(--panel-radius);
    }

        /*
 * Évite les marges parasites des éléments textuels du footer.
 */
        .panel.panel-x .panel-footer p,
        .panel.panel-x .panel-footer h3,
        .panel.panel-x .panel-footer h4 {
            margin-top: 0;
            margin-bottom: 0;
        }

        /***************************************************************/
        /* BUTTONS IN PANELS                                           */
        /***************************************************************/

        .panel.panel-x .panel-body .btn.outline,
        .panel.panel-x .panel-footer .btn {
            margin: 0;
            padding: 8px 14px;
            color: var(--panel-title);
            background-color: #ffffff;
            border: 1px solid #ccd4dd;
            border-radius: 6px;
            font-size: 0.9em;
            font-weight: 500;
            line-height: 1.4;
            text-transform: none;
            transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
        }

            .panel.panel-x .panel-body .btn.outline:hover,
            .panel.panel-x .panel-footer .btn:hover,
            .panel.panel-x .panel-body .btn.outline:focus,
            .panel.panel-x .panel-footer .btn:focus {
                color: #ffffff;
                background-color: var(--panel-title);
                border-color: var(--panel-title);
                box-shadow: 0 2px 6px rgba(38, 55, 70, 0.18);
            }

    /***************************************************************/
    /* COLLAPSE BUTTON                                             */
    /***************************************************************/

    .panel.panel-x .panel-collapse-toggle {
        position: static;
        float: right;
        margin-top: 2px;
        margin-left: 15px;
        color: var(--panel-muted);
        font-size: 15px;
        cursor: pointer;
        transition: color 0.15s ease;
    }

        .panel.panel-x .panel-collapse-toggle:hover {
            color: var(--panel-accent);
        }

    /***************************************************************/
    /* SEMANTIC STATES                                             */
    /***************************************************************/

    .panel.panel-x.success {
        background-color: var(--panel-background) !important;
        border-left: 4px solid #47996b;
    }

        .panel.panel-x.success > .panel-heading {
            background-color: #f3faf6;
        }

            .panel.panel-x.success > .panel-heading::before {
                display: none;
            }

    .panel.panel-x.warning {
        background-color: var(--panel-background) !important;
        border-left: 4px solid #c27956;
    }

        .panel.panel-x.warning .panel-heading {
            background-color: #fcf6f3;
        }

            .panel.panel-x.warning .panel-heading::before {
                display: none;
            }

    /***************************************************************/
    /* TRANSPARENT PANEL                                           */
    /***************************************************************/

    .panel.panel-x.panel-transparent {
        background-color: transparent;
        border-color: transparent;
        box-shadow: none;
    }

        .panel.panel-x.panel-transparent > .panel-heading,
        .panel.panel-x.panel-transparent > .panel-body,
        .panel.panel-x.panel-transparent > .panel-footer {
            background-color: transparent !important;
        }

/***************************************************************/
/* RESPONSIVE                                                  */
/***************************************************************/

@media (max-width: 1024px) {
    .panel.panel-x > .panel-heading,
    .panel.panel-x > .panel-body {
        padding: 18px;
    }

    .panel.panel-x > .panel-footer {
        padding: 14px 18px;
    }
}

@media (max-width: 767px) {
    .panel.panel-x {
        margin-bottom: 20px;
        border-radius: 8px;
    }

        .panel.panel-x .panel-heading {
            padding: 15px 16px;
        }

        .panel.panel-x .panel-body {
            padding: 16px;
        }

        .panel.panel-x .panel-footer {
            display: grid;
            grid-template-columns: 1fr;
            padding: 14px 16px;
        }

            .panel.panel-x .panel-footer .btn {
                width: 100%;
            }

        .panel.panel-x .panel-heading h1,
        .panel.panel-x .panel-heading h2,
        .panel.panel-x .panel-heading h3,
        .panel.panel-x .panel-heading h4 {
            white-space: normal;
        }
}

/***************************************************************/
/* PANEL BODY BLOCK                                            */
/***************************************************************/

.panel.panel-x .panel-body-block {
    margin-top: 20px;
    margin-bottom: 20px;
}

    .panel.panel-x .panel-body-block:first-child {
        margin-top: 0;
    }

    .panel.panel-x .panel-body-block:last-child {
        margin-bottom: 0;
    }

/***************************************************************/
/* PANEL DISCLAIMER / MESSAGE                                  */
/***************************************************************/

.panel-disclaimer {
    --message-accent: #66768a;
    --message-border: #dce3ea;
    --message-background: #f7f9fb;
    --message-title: #344252;
    --message-text: #4b5968;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    width: 100%;
    margin-bottom: 22px;
    padding: 16px 18px;
    color: var(--message-text);
    background-color: var(--message-background);
    border: 1px solid var(--message-border);
    border-left: 4px solid var(--message-accent);
    border-radius: 8px;
}

.panel-disclaimer-icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    color: var(--message-accent);
    background-color: rgba(255,255,255,.72);
    border-radius: 9px;
    font-size: 1.15em;
}

.panel-disclaimer-content {
    flex: 1 1 auto;
    min-width: 0;
}

    .panel-disclaimer-content h4 {
        margin: 0 0 7px;
        color: var(--message-title);
        font-size: .95em;
        font-weight: 650;
        line-height: 1.35;
    }

    .panel-disclaimer-content p,
    .panel-disclaimer-content ul,
    .panel-disclaimer-content ol {
        margin: 0 0 8px;
        font-size: .86em;
        line-height: 1.6;
    }

        .panel-disclaimer-content p:last-child,
        .panel-disclaimer-content ul:last-child,
        .panel-disclaimer-content ol:last-child {
            margin-bottom: 0;
        }

.panel-disclaimer-conclusion {
    margin-top: 12px !important;
    padding-top: 11px;
    color: var(--message-title);
    border-top: 1px solid var(--message-border);
    font-weight: 600;
}

/***************************************************************/
/* MESSAGE VARIANTS                                            */
/***************************************************************/

/* Default = disclaimer */
.panel-disclaimer {
    --message-accent: #66768a;
    --message-border: #dce3ea;
    --message-background: #f7f9fb;
    --message-title: #344252;
}

    /* Informational */
    .panel-disclaimer.panel-info {
        --message-accent: #4f7c9a;
        --message-border: #d6e4ee;
        --message-background: #f3f8fb;
        --message-title: #31536a;
    }

    /* Warning */
    .panel-disclaimer.panel-warning {
        --message-accent: #b97947;
        --message-border: #eadccf;
        --message-background: #fcf7f2;
        --message-title: #7c5738;
    }

    /* Success */
    .panel-disclaimer.panel-success {
        --message-accent: #3f8a63;
        --message-border: #d6e9de;
        --message-background: #f2f8f5;
        --message-title: #356b50;
    }

@media (max-width: 767px) {
    .panel-disclaimer {
        gap: 10px;
        padding: 14px 15px;
    }

    .panel-disclaimer-icon {
        width: 30px;
        height: 30px;
        font-size: 1em;
    }
}

/***************************************************************/
/* PANEL PROPERTIES                                            */
/***************************************************************/

.panel.panel-x.panel-properties > .panel-body dl,
.panel.panel-x .panel-properties {
    display: grid;
    grid-template-columns: minmax(140px, 38%) minmax(0, 62%);
    width: 100%;
    margin: 0;
    overflow: hidden;
    background-color: var(--panel-background, #ffffff);
    border: 1px solid var(--panel-border, #e2e8ef);
    border-radius: 10px;
}

    /*
 * Neutralise notamment dl-horizontal de Bootstrap 3.
 */
    .panel.panel-x.panel-properties > .panel-body dl dt,
    .panel.panel-x.panel-properties > .panel-body dl dd,
    .panel.panel-x .panel-properties dt,
    .panel.panel-x .panel-properties dd {
        float: none;
        width: auto;
        min-height: 42px;
        margin: 0;
        padding: 10px 13px;
        border: 0;
        border-bottom: 1px solid var(--panel-border-light, #edf1f5);
        line-height: 1.4;
    }

    .panel.panel-x.panel-properties > .panel-body dl dt,
    .panel.panel-x .panel-properties dt {
        clear: none;
        overflow: visible;
        color: var(--panel-muted, #718092);
        background-color: var(--panel-background-soft, #f7f9fb);
        font-size: 0.78em;
        font-weight: 600;
        text-align: left;
        text-overflow: initial;
        white-space: normal;
    }

    .panel.panel-x.panel-properties > .panel-body dl dd,
    .panel.panel-x .panel-properties dd {
        color: var(--panel-text, #475569);
        background-color: #ffffff;
        font-size: 0.86em;
        font-weight: 500;
        overflow-wrap: anywhere;
    }

        /*
 * Dernière paire.
 */
        .panel.panel-x.panel-properties > .panel-body dl dt:nth-last-of-type(1),
        .panel.panel-x.panel-properties > .panel-body dl dd:last-child,
        .panel.panel-x .panel-properties dt:nth-last-of-type(1),
        .panel.panel-x .panel-properties dd:last-child {
            border-bottom: 0;
        }

    /*
 * Links.
 */
    .panel.panel-x.panel-properties a,
    .panel.panel-x .panel-properties a {
        color: var(--panel-accent, #b18849);
        font-weight: 600;
        text-decoration: none;
    }

        .panel.panel-x.panel-properties a:hover,
        .panel.panel-x.panel-properties a:focus,
        .panel.panel-x .panel-properties a:hover,
        .panel.panel-x .panel-properties a:focus {
            text-decoration: underline;
        }

    /*
 * Icon in a value.
 */
    .panel.panel-x.panel-properties .fa-circle,
    .panel.panel-x .panel-properties .fa-circle {
        margin-right: 5px;
        font-size: 0.78em;
        vertical-align: 1px;
    }

/***************************************************************/
/* D3 / DC.JS CHART CARDS                                      */
/***************************************************************/

.chart-card {
    --chart-card-accent: var(--panel-accent, #b18849);
    --chart-card-border: var(--panel-border, #e3e8ef);
    --chart-card-title: var(--panel-title, #263746);
    --chart-card-text: var(--panel-text, #4b5563);
    --chart-card-muted: var(--panel-muted, #7b8794);
    --chart-card-background: #ffffff;
    --chart-card-header-background: #fbfcfd;
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
    margin-bottom: 24px;
    overflow: hidden;
    color: var(--chart-card-text);
    background-color: var(--chart-card-background);
    border: 1px solid var(--chart-card-border);
    border-radius: var(--panel-radius, 10px);
    box-shadow: 0 3px 12px rgba(31, 45, 61, 0.05);
}

    .chart-card::before {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        width: 4px;
        content: "";
        background-color: var(--chart-card-accent);
        border-radius: 0 4px 4px 0;
        z-index: 2;
    }

.chart-card-header {
    position: relative;
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 13px;
    min-width: 0;
    padding: 16px 18px;
    background: linear-gradient(180deg, #ffffff 0%, var(--chart-card-header-background) 100%);
    border-bottom: 1px solid #e8edf2;
}

.chart-card-icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--chart-card-accent);
    background-color: #f5f1ea;
    border: 1px solid #e9dfcf;
    border-radius: 10px;
    font-size: 1.05em;
}

.chart-card-heading {
    flex: 1 1 auto;
    min-width: 0;
}

.chart-card-title {
    margin: 0;
    overflow: hidden;
    color: var(--chart-card-title);
    font-size: 1.05em;
    font-weight: 650;
    letter-spacing: -0.01em;
    line-height: 1.35;
    text-overflow: ellipsis;
    text-transform: none;
    white-space: nowrap;
}

.chart-card-subtitle {
    margin-top: 2px;
    overflow: hidden;
    color: var(--chart-card-muted);
    font-size: 0.8em;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chart-card-actions {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

    .chart-card-actions .btn,
    .chart-card-action {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 32px;
        height: 32px;
        margin: 0;
        padding: 5px 9px;
        color: #758292;
        background-color: #f6f8fa;
        border: 1px solid #e4e9ee;
        border-radius: 7px;
        font-size: 0.82em;
        line-height: 1;
        transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
    }

        .chart-card-actions .btn:hover,
        .chart-card-actions .btn:focus,
        .chart-card-action:hover,
        .chart-card-action:focus {
            color: var(--chart-card-accent);
            background-color: #ffffff;
            border-color: #d8dfe6;
        }

.chart-card-body {
    position: relative;
    display: flex;
    flex: 1 1 auto;
    align-items: stretch;
    width: 100%;
    min-width: 0;
    min-height: 240px;
    padding: 18px;
    background-color: var(--chart-card-background);
}

    .d3-chart-container,
    .dc-chart-container,
    .chart-card-body > .dc-chart,
    .chart-card-body > .line-chart,
    .chart-card-body > .bar-chart,
    .chart-card-body > .bars-race-chart,
    .chart-card-body > .pie-chart,
    .chart-card-body > .bubble-chart,
    .chart-card-body > .heat-chart,
    .chart-card-body > .range-chart,
    .chart-card-body > .plot-chart,
    .chart-card-body > .row-chart,
    .chart-card-body > .sunburst-container,
    .chart-card-body > .gauge {
        position: relative;
        display: block;
        width: 100%;
        min-width: 0;
        min-height: 220px;
    }

    .chart-card-body svg,
    .chart-card-body canvas {
        display: block;
        max-width: 100%;
    }

    .chart-card-body .pie-chart > svg,
    .chart-card-body .sunburst-container > svg,
    .chart-card-body .gauge > svg {
        margin-right: auto;
        margin-left: auto;
    }

    .chart-card-body svg {
        overflow: visible;
    }

.chart-card-footer {
    flex: 0 0 auto;
    padding: 10px 18px;
    color: var(--chart-card-muted);
    background-color: #fafbfd;
    border-top: 1px solid #edf0f3;
    font-size: 0.76em;
    line-height: 1.4;
}

.chart-card .axis path,
.chart-card .axis line {
    fill: none;
    stroke: #d8dfe6;
    shape-rendering: crispEdges;
}

.chart-card .axis text {
    fill: #748191;
    font-family: inherit;
    font-size: 10px;
}

.chart-card .grid-line,
.chart-card .grid line,
.chart-card .grid path {
    stroke: #edf0f3;
}

.chart-card .chart-label,
.chart-card .pie-label,
.chart-card .gauge-label {
    fill: #536171;
    font-family: inherit;
    font-size: 11px;
}

.chart-card .pie-slice {
    cursor: pointer;
}

.chart-card .reset,
.chart-card .filter {
    color: var(--chart-card-accent);
    cursor: pointer;
    font-size: 0.78em;
    text-decoration: none;
}

    .chart-card .reset:hover,
    .chart-card .filter:hover {
        text-decoration: underline;
    }

.chart-card.is-loading .chart-card-body {
    min-height: 260px;
}

    .chart-card.is-loading .chart-card-body::after {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 28px;
        height: 28px;
        content: "";
        border: 3px solid #e5eaf0;
        border-top-color: var(--chart-card-accent);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        animation: chart-card-spin 0.8s linear infinite;
    }

.chart-card-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 220px;
    color: var(--chart-card-muted);
    font-size: 0.9em;
    text-align: center;
}

@keyframes chart-card-spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.chart-card.chart-card-small .chart-card-body {
    min-height: 180px;
}

.chart-card.chart-card-small .d3-chart-container,
.chart-card.chart-card-small .dc-chart-container {
    min-height: 160px;
}

.chart-card.chart-card-large .chart-card-body {
    min-height: 360px;
}

.chart-card.chart-card-large .d3-chart-container,
.chart-card.chart-card-large .dc-chart-container {
    min-height: 330px;
}

.chart-card.chart-card-no-padding .chart-card-body {
    padding: 0;
}

.chart-card.chart-card-risk {
    --chart-card-accent: #b64c4c;
}

.chart-card.chart-card-performance {
    --chart-card-accent: #258457;
}

.chart-card.chart-card-allocation {
    --chart-card-accent: #657da6;
}

.chart-card.chart-card-diversification {
    --chart-card-accent: #6d7e66;
}

/* Transitional styling for legacy dc.js containers. */
.panel.panel-x .dc-panel {
    position: relative;
    display: block;
    padding: 18px;
    margin-bottom: 20px;
    background-color: #ffffff;
/*    border: 1px solid var(--panel-border, #e3e8ef);
    border-radius: var(--panel-radius, 10px);
    box-shadow: 0 3px 12px rgba(31, 45, 61, 0.05);*/
    break-inside: avoid;
}

    .panel.panel-x .dc-panel .header-chart {
        margin: -18px -18px 18px;
        padding: 14px 18px;
        color: var(--panel-title, #263746);
        background: linear-gradient(180deg, #ffffff, #fbfcfd);
        border: 0;
        border-bottom: 1px solid #e8edf2;
        font-size: 0.9em;
        font-weight: 650;
        text-align: left;
    }

@media (max-width: 767px) {
    .chart-card {
        margin-bottom: 18px;
        border-radius: 8px;
    }

    .chart-card-header {
        gap: 10px;
        padding: 13px 14px;
    }

    .chart-card-icon {
        width: 36px;
        height: 36px;
        border-radius: 9px;
    }

    .chart-card-title,
    .chart-card-subtitle {
        white-space: normal;
    }

    .chart-card-title {
        font-size: 1em;
    }

    .chart-card-body {
        min-height: 210px;
        padding: 12px;
    }

    .chart-card-actions .btn span,
    .chart-card-action span {
        display: none;
    }
}

/***************************************************************/
/* CHART OPTIONS                                               */
/***************************************************************/

.chart-card-options {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 8px 12px;
    margin-left: auto;
}

/*
 * Groupe segmenté
 */
.chart-option-group {
    display: inline-flex;
    align-items: center;
    margin: 0;
    padding: 3px;
    background-color: #f2f5f7;
    border: 1px solid #e1e7ec;
    border-radius: 8px;
}

/*
 * Label cliquable
 */
.chart-option {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin: 0;
    cursor: pointer;
}

    /*
 * Radio masquée visuellement mais accessible.
 */
    .chart-option > input[type="radio"] {
        position: absolute;
        width: 1px;
        height: 1px;
        margin: 0;
        opacity: 0;
        pointer-events: none;
    }

    /*
 * Segment
 */
    .chart-option > span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 28px;
        padding: 5px 10px;
        color: var(--chart-card-muted, #7b8794);
        background-color: transparent;
        border: 1px solid transparent;
        border-radius: 6px;
        font-size: 0.76em;
        font-weight: 600;
        line-height: 1.2;
        white-space: nowrap;
        transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
    }

    .chart-option:hover > span {
        color: var(--chart-card-title, #263746);
        background-color: rgba(255, 255, 255, 0.65);
    }

    /*
 * Option sélectionnée
 */
    .chart-option > input[type="radio"]:checked + span {
        color: var(--chart-card-title, #263746);
        background-color: #ffffff;
        border-color: #dce3e9;
        box-shadow: 0 1px 3px rgba(31, 45, 61, 0.09), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    }

    /*
 * Navigation clavier
 */
    .chart-option > input[type="radio"]:focus + span {
        border-color: var(--chart-card-accent, #b18849);
        box-shadow: 0 0 0 2px rgba(177, 136, 73, 0.15);
    }

    /*
 * Option désactivée
 */
    .chart-option > input[type="radio"]:disabled + span {
        color: #aab2bc;
        cursor: not-allowed;
        opacity: 0.65;
    }

.chart-option-block {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.chart-option-label {
    color: var(--chart-card-muted, #7b8794);
    font-size: 0.72em;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
}

@media (max-width: 767px) {

    .chart-card-header {
        flex-wrap: wrap;
    }

    .chart-card-options {
        flex: 1 0 100%;
        justify-content: flex-start;
        margin-top: 8px;
        margin-left: 0;
        padding-left: 46px;
    }

    .chart-option > span {
        padding-right: 8px;
        padding-left: 8px;
    }
}

/***************************************************************/
/* LEGACY D3 / DC.JS CHARTS INSIDE MODERN PANELS              */
/* Additive compatibility layer - existing chart-card untouched */
/***************************************************************/

/*
 * Legacy markup supported without HTML restructuring:
 *
 * <div class="panel panel-x">
 *     <div class="panel-body">
 *         <div id="chart" class="dc-chart"></div>
 *     </div>
 * </div>
 *
 * This section intentionally does NOT redefine .chart-card.
 */

.panel.panel-x > .panel-body > .dc-chart {
    position: relative;
    display: block;
    float: none;
    width: 100%;
    min-width: 0;
    min-height: 220px;
    margin: 0;
    color: var(--panel-text, #4b5563);
    background-color: transparent;
    font-family: inherit;
}

/* Existing wrapper convention. */
.panel.panel-x > .panel-body .dc-chart-container {
    position: relative;
    display: block;
    width: 100%;
    min-width: 0;
}

    .panel.panel-x > .panel-body .dc-chart-container > .dc-chart {
        position: relative;
        display: block;
        float: none;
        width: 100%;
        min-width: 0;
        margin: 0;
        color: var(--panel-text, #4b5563);
        background-color: transparent;
        font-family: inherit;
    }

        /* SVG / Canvas */
        .panel.panel-x > .panel-body > .dc-chart svg,
        .panel.panel-x > .panel-body > .dc-chart canvas,
        .panel.panel-x > .panel-body .dc-chart-container > .dc-chart svg,
        .panel.panel-x > .panel-body .dc-chart-container > .dc-chart canvas {
            display: block;
            max-width: 100%;
            font-family: inherit;
        }

        .panel.panel-x > .panel-body > .dc-chart svg,
        .panel.panel-x > .panel-body .dc-chart-container > .dc-chart svg {
            overflow: visible;
        }

/* Axes - same visual language as chart-card. */
.panel.panel-x > .panel-body > .dc-chart .axis path,
.panel.panel-x > .panel-body > .dc-chart .axis line,
.panel.panel-x .dc-chart-container > .dc-chart .axis path,
.panel.panel-x .dc-chart-container > .dc-chart .axis line {
    fill: none;
    stroke: #d8dfe6;
    shape-rendering: crispEdges;
}

.panel.panel-x > .panel-body > .dc-chart .axis text,
.panel.panel-x .dc-chart-container > .dc-chart .axis text {
    fill: #748191;
    font-family: inherit;
    font-size: 10px;
    font-weight: 500;
}

/* Grid */
.panel.panel-x > .panel-body > .dc-chart .grid-line,
.panel.panel-x > .panel-body > .dc-chart .grid line,
.panel.panel-x > .panel-body > .dc-chart .grid path,
.panel.panel-x .dc-chart-container > .dc-chart .grid-line,
.panel.panel-x .dc-chart-container > .dc-chart .grid line,
.panel.panel-x .dc-chart-container > .dc-chart .grid path {
    stroke: #edf0f3;
}

/* Labels */
.panel.panel-x > .panel-body > .dc-chart .chart-label,
.panel.panel-x > .panel-body > .dc-chart .pie-label,
.panel.panel-x > .panel-body > .dc-chart .gauge-label,
.panel.panel-x .dc-chart-container > .dc-chart .chart-label,
.panel.panel-x .dc-chart-container > .dc-chart .pie-label,
.panel.panel-x .dc-chart-container > .dc-chart .gauge-label {
    fill: #536171;
    font-family: inherit;
    font-size: 11px;
}

/* DC.js legends */
.panel.panel-x > .panel-body > .dc-chart .dc-legend text,
.panel.panel-x > .panel-body > .dc-chart .legend text,
.panel.panel-x .dc-chart-container > .dc-chart .dc-legend text,
.panel.panel-x .dc-chart-container > .dc-chart .legend text {
    fill: var(--panel-text, #4b5563);
    font-family: inherit;
    font-size: 10px;
    font-weight: 500;
}

.panel.panel-x .dc-chart .dc-legend-item,
.panel.panel-x .dc-chart .legend-item {
    cursor: pointer;
}

    .panel.panel-x .dc-chart .dc-legend-item text,
    .panel.panel-x .dc-chart .legend-item text {
        opacity: .82;
        transition: opacity .15s ease;
    }

    .panel.panel-x .dc-chart .dc-legend-item:hover text,
    .panel.panel-x .dc-chart .legend-item:hover text {
        opacity: 1;
    }

/* Reset / filter links */
.panel.panel-x > .panel-body > .dc-chart .reset,
.panel.panel-x > .panel-body > .dc-chart .filter,
.panel.panel-x .dc-chart-container > .dc-chart .reset,
.panel.panel-x .dc-chart-container > .dc-chart .filter {
    color: var(--panel-accent, #b18849);
    cursor: pointer;
    font-size: .78em;
    font-weight: 600;
    text-decoration: none;
}

    .panel.panel-x > .panel-body > .dc-chart .reset:hover,
    .panel.panel-x > .panel-body > .dc-chart .filter:hover,
    .panel.panel-x .dc-chart-container > .dc-chart .reset:hover,
    .panel.panel-x .dc-chart-container > .dc-chart .filter:hover {
        text-decoration: underline;
    }

/* DC selection state */
.panel.panel-x .dc-chart .selected {
    opacity: 1;
}

.panel.panel-x .dc-chart .deselected {
    opacity: .28;
}

/* Optional centering for pie / donut / gauge / sunburst. */
.panel.panel-x .chart-centered {
    text-align: center;
}

    .panel.panel-x .chart-centered > .dc-chart {
        display: inline-block;
        float: none;
        width: auto;
        max-width: 100%;
        text-align: left;
    }

        .panel.panel-x .chart-centered > .dc-chart > svg {
            display: block;
            margin-right: auto;
            margin-left: auto;
        }

/* Optional legacy sizes. */
.panel.panel-x > .panel-body > .dc-chart.chart-small,
.panel.panel-x .dc-chart-container.chart-small > .dc-chart {
    min-height: 160px;
}

.panel.panel-x > .panel-body > .dc-chart.chart-large,
.panel.panel-x .dc-chart-container.chart-large > .dc-chart {
    min-height: 330px;
}

@media (max-width: 767px) {
    .panel.panel-x > .panel-body > .dc-chart {
        min-height: 190px;
    }

        .panel.panel-x > .panel-body > .dc-chart .axis text,
        .panel.panel-x .dc-chart-container > .dc-chart .axis text,
        .panel.panel-x > .panel-body > .dc-chart .dc-legend text,
        .panel.panel-x .dc-chart-container > .dc-chart .dc-legend text {
            font-size: 9px;
        }
}

/* ==========================================================
   PANEL GRID
   ========================================================== */
.panel-body-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    width: 100%;
}

    .panel-body-grid > * {
        min-width: 0;
    }

@media (max-width: 991.98px) {
    .panel-body-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================
   CONTROL PANEL
   ========================================================== */

.control-panel {
    padding: 14px 16px;
    margin-bottom: 20px;
    box-shadow: none;
}


    /* ==========================================================
   BUTTON GROUPS
   ========================================================== */

    .control-panel{
        margin: 20px auto;
    }


    .control-panel .btn-group {
        margin: 3px 4px;
        vertical-align: middle;
    }

        .control-panel .btn-group > .btn {
            padding: 5px 11px;
            font-size: 11px;
            font-weight: 600;
            line-height: 1.4;
            color: #667788;
            background: #fff;
            border-color: #d8e0e7;
            box-shadow: none;
            text-shadow: none;
            transition: background-color .15s ease, border-color .15s ease, color .15s ease;
        }

            .control-panel .btn-group > .btn:hover,
            .control-panel .btn-group > .btn:focus {
                color: #405a70;
                background: #f1f5f8;
                border-color: #bcc9d3;
                z-index: 2;
            }

            .control-panel .btn-group > .btn.active,
            .control-panel .btn-group > .btn.active:hover,
            .control-panel .btn-group > .btn.active:focus {
                color: #fff;
                background: #567793;
                border-color: #567793;
                box-shadow: none;
            }


        /* Hide native inputs */
        .control-panel .btn-group input[type="radio"],
        .control-panel .btn-group input[type="checkbox"] {
            position: absolute;
            opacity: 0;
            pointer-events: none;
        }


    /* Optional second group */
    .control-panel .btn-group-secondary {
        margin-left: 10px;
    }


    /* Bootstrap 3 reset */
    .control-panel .btn-primary {
        text-shadow: none;
    }


/* Mobile */
@media (max-width: 767px) {

    .control-panel {
        padding: 10px;
    }

        .control-panel .btn-group {
            margin: 3px 2px;
        }

            .control-panel .btn-group > .btn {
                padding: 5px 9px;
                font-size: 10px;
            }

        .control-panel .btn-group-secondary {
            margin-left: 4px;
        }
}