.card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  padding: 24px;
  height: 100%;
  box-sizing: border-box;
  overflow: visible;
}

.header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.subtitle {
  font-size: 13px;
  color: var(--text-secondary);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.legendItem {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legendDot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.tonePrimary {
  background: var(--primary);
}

.toneAccent {
  background: var(--chart-accent, #a855f7);
}

.status,
.error {
  font-size: 14px;
  text-align: center;
  padding: 40px 12px;
}

.status {
  color: var(--text-muted);
}

.error {
  color: #dc2626;
}

.chartPanel {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 8px;
  direction: ltr;
  unicode-bidi: isolate;
  padding-top: 28px;
  overflow: visible;
}

.yAxis {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-shrink: 0;
  width: 40px;
  padding-bottom: 22px;
  box-sizing: border-box;
  direction: ltr;
}

.yTick {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 500;
  font-family: var(--font-ui);
  line-height: 1;
  text-align: right;
}

.chartWrap {
  position: relative;
  flex: 1;
  min-width: 0;
  overflow: visible;
}

.chartGrid {
  position: absolute;
  inset-inline: 0;
  bottom: 22px;
  pointer-events: none;
  z-index: 0;
}

.gridLine {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px dashed color-mix(in srgb, var(--text-muted) 28%, transparent);
}

.chart {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  width: 100%;
  padding-bottom: 4px;
  direction: ltr;
  unicode-bidi: isolate;
}

.chartDay {
  gap: 2px;
}

.chartMonth {
  gap: 4px;
  overflow: visible;
}

.group {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.chartDay .group {
  gap: 4px;
}

.chartMonth .group {
  flex: 1 1 0;
  min-width: 0;
}

.bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 100%;
  height: 180px;
  gap: 3px;
}

.barWrap {
  position: relative;
  display: flex;
  flex: 1 1 0;
  align-items: flex-end;
  justify-content: center;
  width: 100%;
  min-width: 0;
  height: 100%;
  z-index: 1;
}

.chartMonth .barWrap {
  flex: 0 0 auto;
  width: auto;
}

.barWrap:hover,
.barWrap:focus-within {
  z-index: 1000;
}

.barWrap:hover .barTooltip,
.barWrap:focus-within .barTooltip {
  opacity: 1;
  visibility: visible;
}

.barTooltip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-ui);
  line-height: 1.35;
  color: var(--text-primary);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s ease, visibility 0.12s;
  background: var(--elevated-surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  box-shadow: 0 6px 18px rgba(31, 38, 135, 0.18);
  z-index: 10000;
}

.bar {
  position: relative;
  flex: none;
  width: 80%;
  max-width: 14px;
  min-width: 8px;
  border-radius: 3px 3px 1px 1px;
  transition: height 0.3s ease;
  cursor: default;
}

.chartMonth .bar {
  width: 12px;
  max-width: none;
  min-width: 12px;
  border-radius: 4px 4px 2px 2px;
}

.barWrap:hover .bar,
.barWrap:focus-within .bar {
  filter: brightness(1.06);
}

.barMonth {
  width: 12px;
  max-width: 12px;
}

.label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: var(--text-muted);
  font-weight: 500;
  font-family: var(--font-ui);
  line-height: 1;
  text-align: center;
  width: 100%;
  overflow: hidden;
}

.chartMonth .label {
  height: 68px;
}

.chartMonth .labelText {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
  max-height: 68px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 10px;
  line-height: 1.2;
  letter-spacing: 0.04em;
}

.barPrimary {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--primary) 55%, #ffffff) 0%,
    var(--primary) 100%
  );
}

.barAccent {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--chart-accent, #a855f7) 55%, #ffffff) 0%,
    var(--chart-accent, #a855f7) 100%
  );
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
  }
}