/*
 * Charts & Gauges — สกัดจริงจาก _reference/orgcare360_design_system_preview_v4_motion_progress_standalone.html
 * (ส่วน "/* Charts & Gauges v3 */" บรรทัด ~905-1017) คู่กับ js/charts.js ที่พอร์ต render() engine มา
 * ครบทั้ง 52 แบบ (ไม่ใช่ของออกแบบใหม่แบบหมวดอื่นในไลบรารีนี้ — นี่คือของจริงจากไฟล์ต้นฉบับ)
 * ต้องโหลดหลัง tokens.css (ใช้ --chart-1..6/--chart-grid/--chart-axis ที่นั่น)
 */

.chart-kpi-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.chart-kpi { min-width: 0; padding: 16px; background: var(--surface-subtle); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.chart-kpi > span, .chart-kpi > small { display: block; color: var(--muted); }
.chart-kpi > strong { display: block; margin: 4px 0 3px; font-size: 25px; letter-spacing: -.035em; }
.trend { font-size: 12px; font-weight: 700; }
.trend.up, .trend.down-good { color: var(--success); }
.mini-spark { height: 42px; margin-top: 10px; }
.mini-spark svg { width: 100%; height: 100%; display: block; overflow: visible; }

.chart-filter-tabs { display: flex; gap: 4px; min-width: 0; overflow: auto; scrollbar-width: none; flex-wrap: wrap; }
.chart-filter-tabs::-webkit-scrollbar { display: none; }
.chart-filter-tabs button { min-height: 36px; padding: 7px 11px; border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--muted); font-weight: 750; white-space: nowrap; }
.chart-filter-tabs button:hover { color: var(--text); background: var(--surface-muted); }
.chart-filter-tabs button.active { color: var(--primary); background: var(--primary-soft); border-color: color-mix(in srgb, var(--primary) 24%, var(--border)); }

.chart-legend-guide { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; padding: 0 3px; color: var(--muted); font-size: 12px; }
.chart-legend-guide > span { display: inline-flex; align-items: center; gap: 6px; }
.legend-dot { width: 9px; height: 9px; border-radius: 3px; background: var(--chart-1); }
.legend-dot.series-2 { background: var(--chart-2); }
.legend-dot.series-3 { background: var(--chart-3); }

.chart-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.chart-card { min-width: 0; display: flex; flex-direction: column; background: var(--surface-subtle); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); overflow: hidden; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.chart-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: color-mix(in srgb, var(--primary) 22%, var(--border)); }
.chart-card.is-hidden { display: none; }
.chart-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 15px 16px 5px; }
.chart-card-head > div { min-width: 0; }
.chart-card-head h3 { margin: 0; font-size: 16px; }
.chart-card-head p { margin: 3px 0 0; color: var(--muted); font-size: 12px; line-height: 1.48; }
.chart-type-badge { flex: 0 0 auto; padding: 3px 7px; color: var(--primary); background: var(--primary-soft); border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border)); border-radius: 999px; font-size: 10px; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
.chart-canvas { min-height: 230px; display: grid; place-items: center; padding: 6px 12px 2px; }
.chart-svg { width: 100%; height: auto; max-height: 250px; overflow: visible; }
.chart-svg text { fill: var(--chart-axis); font-family: inherit; font-size: 10px; }
.chart-svg .grid { stroke: var(--chart-grid); stroke-width: 1; }
.chart-svg .axis { stroke: var(--border-strong); stroke-width: 1; }
.chart-svg .s1 { stroke: var(--chart-1); fill: var(--chart-1); }
.chart-svg .s2 { stroke: var(--chart-2); fill: var(--chart-2); }
.chart-svg .s3 { stroke: var(--chart-3); fill: var(--chart-3); }
.chart-svg .s4 { stroke: var(--chart-4); fill: var(--chart-4); }
.chart-svg .s5 { stroke: var(--chart-5); fill: var(--chart-5); }
.chart-svg .soft1 { fill: color-mix(in srgb, var(--chart-1) 18%, transparent); }
.chart-svg .soft2 { fill: color-mix(in srgb, var(--chart-2) 18%, transparent); }
.chart-svg .soft3 { fill: color-mix(in srgb, var(--chart-3) 18%, transparent); }
.chart-svg .line { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.chart-svg .thin { fill: none; stroke-width: 1.5; }
.chart-svg .dash { stroke-dasharray: 5 5; }
.chart-svg .point { stroke: var(--surface); stroke-width: 2; }
.chart-svg .value-label { display: none; fill: var(--text); font-weight: 800; font-size: 9px; }
.chart-gallery.show-chart-values .chart-svg .value-label, .chart-canvas.show-chart-values .value-label { display: block; }
.chart-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 15px 13px; border-top: 1px solid var(--border); }
.chart-card-foot .chart-summary { color: var(--muted); font-size: 11px; }
.chart-actions { display: flex; align-items: center; gap: 4px; }
.chart-icon-btn { min-width: 32px; min-height: 32px; display: grid; place-items: center; padding: 5px 8px; border: 1px solid transparent; border-radius: 8px; color: var(--muted); background: transparent; font-size: 11px; font-weight: 750; }
.chart-icon-btn:hover { color: var(--text); background: var(--surface-muted); border-color: var(--border); }
.chart-data { border-top: 1px solid var(--border); }
.chart-data summary { padding: 9px 15px; color: var(--muted); cursor: pointer; font-size: 11px; font-weight: 750; }
.chart-data table { width: calc(100% - 30px); margin: 0 15px 13px; border-collapse: collapse; font-size: 11px; }
.chart-data th, .chart-data td { padding: 5px 6px; border-bottom: 1px solid var(--border); text-align: right; }
.chart-data th:first-child, .chart-data td:first-child { text-align: left; }

.chart-state-card { min-height: 310px; display: grid; place-items: center; padding: 24px; text-align: center; }
.chart-state-visual { width: 100%; height: 150px; position: relative; overflow: hidden; border: 1px dashed var(--border-strong); border-radius: 12px; background: var(--surface); }
.chart-state-visual.loading::before { content: ""; position: absolute; inset: 18px; background: var(--surface-muted); opacity: .75; box-shadow: 48px 0 0 var(--surface-muted), 96px 0 0 var(--surface-muted), 144px 0 0 var(--surface-muted), 192px 0 0 var(--surface-muted); animation: oc-chartpulse 1.2s ease-in-out infinite alternate; }
.chart-state-visual.empty::before { content: "ไม่มีข้อมูลในช่วงเวลานี้"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); }
.chart-state-visual.error::before { content: "ไม่สามารถโหลดข้อมูลกราฟ"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--danger); }
@keyframes oc-chartpulse { to { opacity: .35; } }
.chart-note { margin: 14px 0 0; color: var(--muted); font-size: 12px; }

@media (max-width: 1180px) {
  .chart-kpi-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .chart-gallery { grid-template-columns: 1fr; }
  .chart-filter-tabs { width: 100%; }
  .chart-card:hover { transform: none; }
}
@media (max-width: 500px) {
  .chart-kpi-strip { grid-template-columns: 1fr; }
  .chart-canvas { min-height: 210px; padding-inline: 4px; }
  .chart-card-head { flex-direction: column; }
}