/* Chart frame, legend, table view, stat tile, meter (frontend/src/ui/charts.rs).
   Colours only through the --viz-* tokens (tokens.css); text never wears a
   series colour. The plot itself (SVG marks) is styled by the charts
   builder under .mc-chart__plot. */
.mc-chart {
  margin: 0;
  padding: var(--space-4);
  background: var(--viz-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
  transition: opacity 150ms ease;
}
.mc-chart.is-refreshing { opacity: 0.55; }
.mc-chart__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-2) var(--space-3); }
.mc-chart__title { font-family: var(--font-sans); font-weight: 600; font-size: 15px; color: var(--ink); }
.mc-chart__desc { font-size: 13px; color: var(--ink-muted); }
.mc-chart__toggle {
  margin-left: auto;
  font: inherit;
  font-size: 13px;
  color: var(--ink-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px var(--space-2);
  cursor: pointer;
}
.mc-chart__toggle[aria-pressed="true"] { color: var(--ink); border-color: var(--border-strong); }
.mc-chart__legend { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-4); margin: 0; padding: 0; list-style: none; font-size: 13px; color: var(--ink-muted); }
.mc-chart__legend li { display: inline-flex; align-items: center; gap: 6px; }
.mc-chart__key { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.mc-chart__plot { min-height: 120px; }
.mc-chart__table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
.mc-chart__table th, .mc-chart__table td { padding: 6px var(--space-2); border-bottom: 1px solid var(--viz-grid); text-align: right; }
.mc-chart__table th:first-child, .mc-chart__table td:first-child { text-align: left; }
.mc-chart__table th { color: var(--ink-muted); font-weight: 600; }

.mc-spark { display: inline-block; vertical-align: middle; }

.mc-stat { display: flex; flex-direction: column; gap: 2px; padding: var(--space-4); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); min-width: 0; }
.mc-stat__label { font-size: 13px; color: var(--ink-muted); }
.mc-stat__value { font-family: var(--font-display); font-weight: 800; font-size: 32px; line-height: 38px; color: var(--ink); }
.mc-stat__delta { font-size: 13px; color: var(--ink-muted); }
.mc-stat__delta.is-good { color: var(--patched); }
.mc-stat__delta.is-bad { color: var(--danger-text); }

.mc-meter { display: grid; grid-template-columns: 1fr auto; gap: var(--space-1) var(--space-3); align-items: center; }
.mc-meter__label { font-size: 13px; color: var(--ink-muted); }
.mc-meter__value { font-variant-numeric: tabular-nums; color: var(--ink); grid-row: 1; grid-column: 2; }
.mc-meter meter { grid-column: 1 / -1; width: 100%; height: 8px; }

@media (prefers-reduced-motion: reduce) { .mc-chart { transition: none; } }
@media (forced-colors: active) { .mc-chart__key { forced-color-adjust: none; border: 1px solid CanvasText; } }

/* ---------- SVG plots (ui/charts.rs) ---------- */
.mc-plot { position: relative; width: 100%; min-width: 0; border-radius: var(--radius-sm); }
.mc-plot:focus-visible, .mc-donut:focus-visible, .mc-heat:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }
.mc-svg { overflow: visible; }
.mc-svg text { font-family: var(--font-sans); }
.mc-grid { stroke: var(--viz-grid); stroke-width: 1; }
.mc-axisline { stroke: var(--viz-axis); stroke-width: 1; }
.mc-axis { fill: var(--ink-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.mc-axis--cat { font-size: 12px; fill: var(--ink); }
.mc-axis--col { font-weight: 600; text-transform: uppercase; letter-spacing: .06em; font-size: 10px; }
.mc-direct { fill: var(--ink-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.mc-line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round;
  stroke-dasharray: 1; stroke-dashoffset: 1; animation: mc-draw .7s ease-out forwards; }
.mc-area { opacity: .22; }
.mc-area--stacked { opacity: .9; }
.mc-area__edge { fill: none; stroke: var(--viz-surface); stroke-width: 1; }
.mc-hit { fill: transparent; }
.mc-cross line { stroke: var(--ink-muted); stroke-dasharray: 3 3; }
.mc-dot { stroke: var(--viz-surface); stroke-width: 2; }
.mc-bar { transform-box: fill-box; transform-origin: bottom; animation: mc-grow-y .45s ease-out both; transition: opacity .12s; }
.mc-bar--h { transform-origin: left; animation-name: mc-grow-x; }
.mc-barcol.is-hover .mc-bar, .mc-barrow.is-hover .mc-bar { filter: brightness(1.12); }
.is-link { cursor: pointer; }
.mc-slice { transition: opacity .15s; stroke: var(--viz-surface); stroke-width: 1; }
.mc-slice.is-dim { opacity: .35; }
.mc-flow { opacity: .32; transition: opacity .15s; }
.mc-flow.is-lit { opacity: .42; }
.mc-plot:has(.mc-flow.is-hover) .mc-flow:not(.is-lit) { opacity: .1; }
.mc-flow.is-hover { opacity: .78; }
.mc-snode__label { fill: var(--ink); font-size: 12px; }
.mc-tm__frame { fill: var(--surface-raised); stroke: var(--viz-surface); stroke-width: 2; }
.mc-tm__head { fill: var(--ink); font-size: 12px; font-weight: 600; cursor: zoom-in; }
.mc-tm__tile rect { transition: filter .12s; }
.mc-tm__tile.is-hover rect { filter: brightness(1.15); }
.mc-tm__label { font-size: 12px; font-weight: 600; pointer-events: none; }
.mc-tm__value { font-size: 11px; font-variant-numeric: tabular-nums; pointer-events: none; }
.mc-tm__back { align-self: flex-start; }
.mc-tip { position: absolute; z-index: 5; pointer-events: none; min-width: 140px; max-width: 260px; padding: var(--space-2) var(--space-3);
  background: var(--surface-raised); color: var(--ink); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-pop); font-size: 13px; line-height: 18px; }
.mc-tip__title { font-weight: 600; margin-bottom: 4px; }
.mc-tip__rows { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.mc-tip__rows li { display: grid; grid-template-columns: 10px 1fr auto; gap: 6px; align-items: center; }
.mc-tip__value { font-variant-numeric: tabular-nums; font-weight: 600; }
.mc-tip__total { border-top: 1px solid var(--border); padding-top: 2px; }
.mc-chart__empty, .mc-chart__hint { margin: 0; font-size: 13px; color: var(--ink-muted); display: flex; gap: var(--space-2); align-items: center; }
.mc-chart__empty { min-height: 120px; justify-content: center; }
.mc-donut { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-6); }
.mc-donut__big { fill: var(--ink); font: 800 24px var(--font-display); }
.mc-donut__small { fill: var(--ink-muted); font-size: 12px; }
.mc-donut__list { list-style: none; margin: 0; padding: 0; flex: 1 1 180px; display: grid; gap: 4px; font-size: 13px; }
.mc-donut__list li { display: grid; grid-template-columns: 10px 1fr auto 3.5em; gap: var(--space-2); align-items: center; padding: 2px 4px; border-radius: 4px; }
.mc-donut__list li.is-hover { background: var(--surface-raised); }
.mc-donut__value, .mc-donut__share { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-muted); }
.mc-heat { display: grid; gap: 3px; font-size: 12px; }
.mc-heat__x { text-align: center; color: var(--ink-muted); }
.mc-heat__y { color: var(--ink); align-self: center; padding-right: var(--space-2); }
.mc-heat__cell { min-height: 32px; border-radius: 4px; display: grid; place-items: center; color: var(--ink);
  font-variant-numeric: tabular-nums; transition: transform .12s; }
.mc-heat__cell.is-empty { box-shadow: inset 0 0 0 1px var(--viz-grid); }
.mc-heat__cell.is-strong { color: var(--bg); font-weight: 600; }
.mc-heat__cell.is-hover { outline: 2px solid var(--ink); outline-offset: 1px; }
.mc-spark svg { overflow: visible; }
.mc-spark__line { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-dasharray: 1; stroke-dashoffset: 1; animation: mc-draw .6s ease-out forwards; }
.mc-spark__area { fill: currentColor; opacity: .12; }
.mc-spark__end { fill: currentColor; stroke: var(--surface); stroke-width: 1.5; }
.mc-meter__track { grid-column: 1 / -1; height: 8px; border-radius: var(--radius-pill); background: var(--viz-grid); overflow: hidden; }
.mc-meter__fill { display: block; height: 100%; border-radius: inherit; transition: width .4s ease-out; }
.mc-meter__tone.is-good { color: var(--viz-status-good); } .mc-meter__tone.is-warning { color: var(--viz-status-warning); }
.mc-meter__tone.is-serious { color: var(--viz-status-serious); } .mc-meter__tone.is-critical { color: var(--viz-status-critical); }
.mc-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: var(--space-3); }
a.mc-stat { text-decoration: none; color: inherit; transition: transform .15s ease-out, box-shadow .15s, border-color .15s; }
a.mc-stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); border-color: var(--border-strong); }
.mc-stat__label { display: flex; gap: 6px; align-items: center; }
.mc-stat__foot { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); min-height: 28px; }
.mc-stat__tone.is-good { color: var(--viz-status-good); } .mc-stat__tone.is-warning { color: var(--viz-status-warning); }
.mc-stat__tone.is-serious { color: var(--viz-status-serious); } .mc-stat__tone.is-critical { color: var(--viz-status-critical); }
.mc-stat--hero { background: linear-gradient(135deg, var(--grape-wash), var(--surface) 70%); border-color: var(--grape); }
.mc-stat--hero .mc-stat__value { font-size: 40px; line-height: 46px; }
.mc-stat__delta.is-flat { color: var(--ink-muted); }
.mc-skel { display: block; border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-raised) 50%, var(--surface) 100%);
  background-size: 200% 100%; animation: mc-shimmer 1.4s ease-in-out infinite; }
.mc-skel--title { height: 18px; width: 40%; } .mc-skel--label { height: 12px; width: 60%; }
.mc-skel--value { height: 32px; width: 45%; margin: 6px 0; } .mc-skel--spark { height: 24px; width: 70%; }
.mc-skel--plot { width: 100%; border-radius: var(--radius-md); } .mc-skel--ring { width: 72px; height: 72px; border-radius: 50%; }
@keyframes mc-draw { to { stroke-dashoffset: 0; } }
@keyframes mc-grow-y { from { transform: scaleY(0); } }
@keyframes mc-grow-x { from { transform: scaleX(0); } }
@media (prefers-reduced-motion: reduce) {
  .mc-line, .mc-spark__line { animation: none; stroke-dasharray: none; stroke-dashoffset: 0; }
  .mc-bar, .mc-skel { animation: none; }
  a.mc-stat, .mc-meter__fill, .mc-slice, .mc-flow { transition: none; }
  a.mc-stat:hover { transform: none; }
}
@media (forced-colors: active) { .mc-bar, .mc-slice, .mc-flow { forced-color-adjust: none; } }

/* ---------- Billing cost chart + estimator (ui/charts/cost.rs) ---------- */
.cc-covered { fill: var(--viz-1); opacity: .22; }
.cc-hatch__bg { fill: var(--viz-2); opacity: .28; }
.cc-hatch__line { stroke: var(--viz-2); stroke-width: 2.5; }
.cc-credit line { stroke: var(--ink-muted); stroke-width: 1.5; stroke-dasharray: 6 4; }
.cc-proj line { stroke: var(--viz-1); stroke-width: 2; stroke-dasharray: 4 4; }
.cc-proj circle { fill: var(--viz-surface); stroke: var(--viz-1); stroke-width: 2; }
.cc-exh circle { fill: var(--viz-2); stroke: var(--viz-surface); stroke-width: 2; }
.cc-legend { margin-bottom: var(--space-1); }
.cc-key--over { background: repeating-linear-gradient(45deg, var(--viz-2) 0 2px, transparent 2px 5px) !important; border: 1px solid var(--viz-2); }
.cc-key--line, .cc-key--proj { display: inline-block; width: 16px; height: 0; border-top: 2px dashed var(--ink-muted); }
.cc-key--proj { border-top-color: var(--viz-1); }

.est { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
.est__bar { display: flex; gap: 2px; height: 18px; border-radius: var(--radius-pill); overflow: hidden; background: var(--surface-raised); }
.est-seg { display: block; height: 100%; min-width: 3px; }
.est-seg--base, .est__key.est-seg--base { background: var(--viz-7); }
.est-seg--credit, .est__key.est-seg--credit { background: repeating-linear-gradient(45deg, var(--viz-1) 0 3px, color-mix(in srgb, var(--viz-1) 35%, transparent) 3px 6px); }
.est-seg--over, .est__key.est-seg--over { background: var(--viz-2); }
.est__legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font: 400 13px/18px var(--font-sans); color: var(--ink-muted); }
.est__legend li { display: grid; grid-template-columns: 12px 1fr auto; gap: 8px; align-items: center; }
.est__legend strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.est__key { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.est__total { margin: 0; display: flex; justify-content: space-between; align-items: baseline; padding-top: var(--space-2);
  border-top: 1px solid var(--border); font: 400 14px/20px var(--font-sans); color: var(--ink); }
.est__total strong { font: 700 20px/26px var(--font-display); }
@media (forced-colors: active) { .est-seg, .est__key { forced-color-adjust: none; border: 1px solid CanvasText; } }