/* =============================================================================
   Onagre UI — graphiques SVG/HTML (Charts/*.razor). Couleurs : variables --o-chart-* et d'état, donc thémées.
   ============================================================================= */
@layer o-components {
    .o-chart { display: flex; flex-direction: column; gap: var(--o-space-3); min-width: 0; }
    .o-chart__frame {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        grid-template-rows: var(--o-chart-h, 220px) 1.5rem;
        column-gap: var(--o-space-2);
    }
    .o-chart__frame--right { grid-template-columns: auto minmax(0, 1fr) auto; }
    .o-chart__yaxis { position: relative; min-width: 2rem; font-size: var(--o-text-2xs); color: var(--o-chart-axis); font-variant-numeric: tabular-nums; }
    .o-chart__yaxis > span { position: absolute; right: 0; transform: translateY(-50%); white-space: nowrap; line-height: 1; }
    .o-chart__yaxis--right > span { left: 0; right: auto; }
    .o-chart__plot { position: relative; min-width: 0; }
    .o-chart__svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
    .o-chart__grid { stroke: var(--o-chart-grid); stroke-width: 1; vector-effect: non-scaling-stroke; shape-rendering: crispEdges; }
    .o-chart__line { fill: none; stroke-width: 1.75; vector-effect: non-scaling-stroke; stroke-linejoin: round; stroke-linecap: round; }
    .o-chart__area { opacity: 0.13; }
    .o-chart__bar { opacity: 0.88; }
    .o-chart__xaxis { grid-column: 2; position: relative; font-size: var(--o-text-2xs); color: var(--o-chart-axis); font-variant-numeric: tabular-nums; }
    .o-chart__xaxis > span { position: absolute; top: 0.375rem; transform: translateX(-50%); white-space: nowrap; }

    /* Survol : une tranche verticale par intervalle, guide + repères + infobulle en CSS pur */
    .o-chart__hover { position: absolute; inset: 0; }
    .o-chart__slice { position: absolute; top: 0; bottom: 0; outline: none; }
    .o-chart__guide { position: absolute; top: 0; bottom: 0; width: 1px; margin-left: -0.5px; background: var(--o-border-strong); opacity: 0; pointer-events: none; }
    .o-chart__marker {
        position: absolute; width: 8px; height: 8px; margin: -4px 0 0 -4px; border-radius: 50%;
        box-shadow: 0 0 0 2px var(--o-surface); opacity: 0; pointer-events: none;
    }
    .o-chart__tip {
        position: absolute; top: 0; left: calc(50% + 0.75rem); z-index: 2;
        min-width: 11rem; padding: var(--o-space-2) var(--o-space-2-5);
        border-radius: var(--o-radius-md); border: 1px solid var(--o-border);
        background: var(--o-surface-raised); box-shadow: var(--o-shadow-md);
        font-size: var(--o-text-xs); color: var(--o-text);
        opacity: 0; visibility: hidden; pointer-events: none;
        transition: opacity var(--o-duration-fast) var(--o-ease-out);
    }
    .o-chart__slice--left .o-chart__tip { left: auto; right: calc(50% + 0.75rem); }
    .o-chart__slice:hover .o-chart__guide, .o-chart__slice:hover .o-chart__marker { opacity: 1; }
    .o-chart__slice:hover .o-chart__tip { opacity: 1; visibility: visible; }
    .o-chart__tip-time { margin-bottom: var(--o-space-1-5); color: var(--o-text-3); font-variant-numeric: tabular-nums; white-space: nowrap; }
    .o-chart__tip-row { display: flex; align-items: center; gap: var(--o-space-2); line-height: 1.6; white-space: nowrap; }
    .o-chart__tip-name { flex: 1; color: var(--o-text-2); }
    .o-chart__tip-value { font-weight: var(--o-weight-semibold); font-variant-numeric: tabular-nums; }

    .o-chart__legend { display: flex; flex-wrap: wrap; gap: var(--o-space-1) var(--o-space-4); font-size: var(--o-text-xs); color: var(--o-text-2); padding-left: 2.5rem; }
    .o-chart__legend-item { display: inline-flex; align-items: center; gap: var(--o-space-1-5); }
    .o-chart__swatch { width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0; }
    .o-chart__swatch--line { height: 2px; width: 12px; border-radius: 1px; }
    .o-chart__empty {
        display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--o-space-2);
        min-height: 9rem; height: 100%; width: 100%;
        border-radius: var(--o-radius-md); border: 1px dashed var(--o-border);
        color: var(--o-text-3); font-size: var(--o-text-sm);
    }

    /* Treemap */
    .o-treemap { position: relative; width: 100%; min-height: 8rem; }
    .o-treemap__tile {
        position: absolute;
        display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; gap: 1px;
        padding: var(--o-space-2) var(--o-space-2-5);
        border: 2px solid var(--o-surface);
        border-radius: var(--o-radius-md);
        background: color-mix(in oklch, var(--o-tile-c) 16%, var(--o-surface));
        box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--o-tile-c) 30%, transparent);
        color: var(--o-text);
        text-align: left;
        overflow: hidden;
        transition: background-color var(--o-duration-fast), box-shadow var(--o-duration-fast);
    }
    .o-treemap__tile::before { content: ""; position: absolute; left: var(--o-space-2-5); top: var(--o-space-2-5); width: 6px; height: 6px; border-radius: 50%; background: var(--o-tile-c); }
    a.o-treemap__tile:hover, button.o-treemap__tile:hover { background: color-mix(in oklch, var(--o-tile-c) 26%, var(--o-surface)); color: var(--o-text); box-shadow: inset 0 0 0 1px var(--o-tile-c); }
    .o-treemap__label { font-size: var(--o-text-xs); font-weight: var(--o-weight-medium); color: var(--o-text-2); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .o-treemap__value { font-size: var(--o-text-lg); font-weight: var(--o-weight-semibold); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
    .o-treemap__detail { font-size: var(--o-text-2xs); color: var(--o-text-3); }
    .o-treemap__tile--small { justify-content: center; align-items: center; padding: var(--o-space-1); }
    .o-treemap__tile--small .o-treemap__label, .o-treemap__tile--small .o-treemap__detail, .o-treemap__tile--small::before { display: none; }
    .o-treemap__tile--small .o-treemap__value { font-size: var(--o-text-xs); }

    /* Barres horizontales */
    .o-barlist { display: flex; flex-direction: column; gap: var(--o-space-1); }
    .o-barlist__row { position: relative; display: flex; align-items: center; gap: var(--o-space-3); min-height: 2rem; padding: 0 var(--o-space-2-5); font-size: var(--o-text-sm); }
    .o-barlist__bar { position: absolute; left: 0; top: 0; bottom: 0; border-radius: var(--o-radius-sm); background: color-mix(in oklch, var(--o-bar-c) 16%, transparent); }
    .o-barlist__label { position: relative; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--o-text); }
    a.o-barlist__label:hover { color: var(--o-accent-fg); }
    .o-barlist__value { position: relative; font-variant-numeric: tabular-nums; font-weight: var(--o-weight-medium); color: var(--o-text-2); }

    /* Anneau */
    .o-donut { position: relative; display: flex; align-items: center; gap: var(--o-space-5); flex-wrap: wrap; }
    .o-donut__svg { transform: rotate(0deg); flex-shrink: 0; }
    .o-donut__track { fill: none; stroke: var(--o-surface-active); stroke-width: 4.2; }
    .o-donut__seg { fill: none; stroke-width: 4.2; transition: stroke-dasharray var(--o-duration-slow) var(--o-ease-out); }
    .o-donut__ring { position: relative; flex-shrink: 0; }
    .o-donut__center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; pointer-events: none; }
    .o-donut__value { font-size: var(--o-text-xl); font-weight: var(--o-weight-semibold); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
    .o-donut__caption { font-size: var(--o-text-2xs); color: var(--o-text-3); }
    .o-donut__legend { display: flex; flex-direction: column; gap: var(--o-space-1-5); flex: 1; min-width: 9rem; font-size: var(--o-text-sm); }
    .o-donut__legend li { display: flex; align-items: center; gap: var(--o-space-2); }

    /* Sparkline */
    .o-sparkline { display: block; overflow: visible; }
    .o-sparkline__line { fill: none; stroke-width: 1.5; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
    .o-sparkline__area { opacity: 0.12; }
}