/* BioUI Web — Default Theme
 * Override any variable to customize. No Shadow DOM — normal CSS selectors work.
 */

:root {
  /* Primary palette */
  --bio-primary: #5a8a6a;
  --bio-primary-hover: #4a7a5a;
  --bio-primary-fg: #ffffff;
  --bio-accent: #6bbfb0;
  --bio-accent-fg: #ffffff;

  /* Surface */
  --bio-surface: #ffffff;
  --bio-surface-fg: #1a1a1a;
  --bio-surface-muted: #f8fafc;
  --bio-surface-muted-fg: #64748b;
  --bio-border: #e2e8f0;

  /* Radius & spacing */
  --bio-radius: 8px;
  --bio-radius-lg: 12px;
  --bio-spacing-xs: 4px;
  --bio-spacing-sm: 8px;
  --bio-spacing-md: 16px;
  --bio-spacing-lg: 24px;
  --bio-spacing-xl: 32px;

  /* Typography */
  --bio-font: 'system-ui', -apple-system, sans-serif;
  --bio-font-size-xs: 0.75rem;
  --bio-font-size-sm: 0.875rem;
  --bio-font-size-base: 1rem;
  --bio-font-size-lg: 1.125rem;
  --bio-font-size-xl: 1.25rem;
  --bio-font-weight-normal: 400;
  --bio-font-weight-medium: 500;
  --bio-font-weight-bold: 600;

  /* Mood colors */
  --bio-mood-great: #22c55e;
  --bio-mood-good: #84cc16;
  --bio-mood-okay: #eab308;
  --bio-mood-bitoff: #f97316;
  --bio-mood-notbest: #ef4444;

  /* Status/readiness */
  --bio-status-green: #22c55e;
  --bio-status-yellow: #eab308;
  --bio-status-red: #ef4444;

  /* Trend */
  --bio-trend-improving: #22c55e;
  --bio-trend-stable: #64748b;
  --bio-trend-declining: #ef4444;

  /* Shadows */
  --bio-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --bio-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --bio-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --bio-transition: 150ms ease;
}

/* Base widget styles */
bio-provider {
  display: contents;
}

[data-bio-widget] {
  font-family: var(--bio-font);
  font-size: var(--bio-font-size-base);
  color: var(--bio-surface-fg);
  line-height: 1.5;
  box-sizing: border-box;
}

[data-bio-widget] *, [data-bio-widget] *::before, [data-bio-widget] *::after {
  box-sizing: inherit;
}

/* Loading state */
[data-bio-loading] {
  opacity: 0.6;
  pointer-events: none;
}

/* Error state */
[data-bio-error] {
  border: 1px solid var(--bio-status-red);
  padding: var(--bio-spacing-md);
  border-radius: var(--bio-radius);
  color: var(--bio-status-red);
  font-size: var(--bio-font-size-sm);
}

/* Mood widget */
.bio-mood-buttons {
  display: flex;
  justify-content: center;
  gap: var(--bio-spacing-sm);
}

.bio-mood-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--bio-spacing-xs);
  padding: var(--bio-spacing-sm) var(--bio-spacing-md);
  border-radius: var(--bio-radius-lg);
  border: 2px solid transparent;
  background: var(--bio-surface);
  cursor: pointer;
  transition: all var(--bio-transition);
}

.bio-mood-btn:hover {
  background: color-mix(in srgb, var(--mood-color) 15%, var(--bio-surface));
}

.bio-mood-selected {
  background: color-mix(in srgb, var(--mood-color) 20%, var(--bio-surface));
  border-color: var(--mood-color);
}

.bio-mood-emoji {
  font-size: 1.75rem;
  line-height: 1;
}

.bio-mood-status {
  text-align: center;
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  margin-top: var(--bio-spacing-sm);
}

/* Check-in summary (completed state) */
.bio-checkin-summary {
  background: var(--bio-surface);
  border-radius: var(--bio-radius-lg);
  padding: var(--bio-spacing-lg);
  box-shadow: var(--bio-shadow-md);
}

.bio-checkin-summary h3 {
  font-size: var(--bio-font-size-lg);
  font-weight: var(--bio-font-weight-bold);
  margin: 0 0 var(--bio-spacing-md) 0;
  color: var(--bio-primary);
}

.bio-checkin-results {
  display: flex;
  flex-direction: column;
  gap: var(--bio-spacing-sm);
  margin-bottom: var(--bio-spacing-md);
}

.bio-checkin-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--bio-spacing-sm) var(--bio-spacing-md);
  background: var(--bio-surface-muted);
  border-radius: var(--bio-radius);
}

.bio-checkin-result-item span:first-child {
  text-transform: capitalize;
  font-weight: var(--bio-font-weight-medium);
}

.bio-checkin-score {
  font-size: var(--bio-font-size-xl);
  font-weight: var(--bio-font-weight-bold);
  color: var(--bio-primary);
  min-width: 2ch;
  text-align: center;
}

.bio-checkin-trend {
  margin-left: var(--bio-spacing-sm);
  font-size: var(--bio-font-size-lg);
}

.bio-checkin-trend[data-trend="increasing"] {
  color: var(--bio-trend-improving);
}

.bio-checkin-trend[data-trend="stable"] {
  color: var(--bio-trend-stable);
}

.bio-checkin-trend[data-trend="decreasing"] {
  color: var(--bio-trend-declining);
}

.bio-checkin-submitted-at {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  margin-bottom: var(--bio-spacing-md);
}

.bio-checkin-update-btn {
  display: inline-flex;
  align-items: center;
  padding: var(--bio-spacing-sm) var(--bio-spacing-md);
  border-radius: var(--bio-radius);
  border: 1px solid var(--bio-border);
  background: var(--bio-surface);
  color: var(--bio-surface-fg);
  font-size: var(--bio-font-size-sm);
  font-weight: var(--bio-font-weight-medium);
  cursor: pointer;
  transition: all var(--bio-transition);
}

.bio-checkin-update-btn:hover {
  border-color: var(--bio-primary);
  color: var(--bio-primary);
}

/* Check-in overlay (pending/active state) */
.bio-checkin-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: var(--bio-spacing-md);
}

.bio-checkin-modal {
  background: var(--bio-surface);
  border-radius: var(--bio-radius-lg);
  padding: var(--bio-spacing-lg);
  box-shadow: var(--bio-shadow-lg);
  width: 100%;
  max-width: 400px;
}

.bio-checkin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--bio-spacing-md);
}

.bio-checkin-step {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  font-weight: var(--bio-font-weight-medium);
}

.bio-checkin-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--bio-surface-muted-fg);
  padding: 0;
  line-height: 1;
}

.bio-checkin-close:hover {
  color: var(--bio-surface-fg);
}

.bio-checkin-question {
  font-size: var(--bio-font-size-lg);
  font-weight: var(--bio-font-weight-bold);
  margin: 0 0 var(--bio-spacing-sm) 0;
}

.bio-checkin-prior {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  margin-bottom: var(--bio-spacing-md);
}

.bio-checkin-scale {
  display: flex;
  gap: var(--bio-spacing-xs);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--bio-spacing-sm);
}

.bio-checkin-scale-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--bio-border);
  background: var(--bio-surface);
  cursor: pointer;
  font-weight: var(--bio-font-weight-medium);
  font-size: var(--bio-font-size-sm);
  transition: all var(--bio-transition);
}

.bio-checkin-scale-btn:hover {
  border-color: var(--bio-primary);
  background: color-mix(in srgb, var(--bio-primary) 10%, var(--bio-surface));
  color: var(--bio-primary);
}

.bio-checkin-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--bio-font-size-xs);
  color: var(--bio-surface-muted-fg);
}

.bio-checkin-done-btn {
  display: block;
  width: 100%;
  padding: var(--bio-spacing-sm) var(--bio-spacing-md);
  margin-top: var(--bio-spacing-md);
  border-radius: var(--bio-radius);
  border: none;
  background: var(--bio-primary);
  color: var(--bio-primary-fg);
  font-weight: var(--bio-font-weight-medium);
  cursor: pointer;
  transition: background var(--bio-transition);
}

.bio-checkin-done-btn:hover {
  background: var(--bio-primary-hover);
}

/* Progress ring */
.bio-progress-ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--bio-spacing-xs);
}

.bio-progress-ring-label {
  display: flex;
  gap: var(--bio-spacing-xs);
  align-items: baseline;
}

.bio-progress-ring-day {
  font-size: var(--bio-font-size-xl);
  font-weight: var(--bio-font-weight-bold);
}

.bio-progress-ring-total {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
}

.bio-progress-ring-adherence {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
}

.bio-progress-ring-streak {
  font-size: var(--bio-font-size-sm);
  font-weight: var(--bio-font-weight-medium);
  color: var(--bio-status-yellow);
}

/* Health metrics widget */
.bio-hm {
  font-family: var(--bio-font);
  color: var(--bio-surface-fg);
}

.bio-hm-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--bio-spacing-md);
  padding: var(--bio-spacing-xl);
  border: 2px dashed var(--bio-border);
  border-radius: var(--bio-radius-lg);
  text-align: center;
}

.bio-hm-empty-icon {
  font-size: 2.5rem;
  opacity: 0.6;
}

.bio-hm-empty-title {
  font-size: var(--bio-font-size-lg);
  font-weight: var(--bio-font-weight-bold);
}

.bio-hm-empty-desc {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
}

.bio-hm-connect-btn {
  padding: var(--bio-spacing-sm) var(--bio-spacing-lg);
  border-radius: var(--bio-radius);
  border: none;
  background: var(--bio-primary);
  color: var(--bio-primary-fg);
  font-weight: var(--bio-font-weight-medium);
  cursor: pointer;
  transition: background var(--bio-transition);
}

.bio-hm-connect-btn:hover {
  background: var(--bio-primary-hover);
}

/* Provider selection */
.bio-hm-providers {
  display: flex;
  flex-direction: column;
  gap: var(--bio-spacing-sm);
  padding: var(--bio-spacing-md);
}

.bio-hm-provider {
  display: flex;
  align-items: center;
  gap: var(--bio-spacing-md);
  padding: var(--bio-spacing-md);
  border: 1px solid var(--bio-border);
  border-radius: var(--bio-radius);
  background: var(--bio-surface);
  cursor: pointer;
  transition: all var(--bio-transition);
  text-align: left;
}

.bio-hm-provider:hover {
  border-color: var(--bio-primary);
  background: var(--bio-surface-muted);
}

.bio-hm-provider-connecting {
  opacity: 0.7;
  pointer-events: none;
}

.bio-hm-provider-icon {
  font-size: 1.5rem;
}

.bio-hm-provider-name {
  font-weight: var(--bio-font-weight-medium);
}

.bio-hm-provider-desc {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
}

.bio-hm-provider-status {
  margin-left: auto;
  font-size: var(--bio-font-size-sm);
  color: var(--bio-primary);
}

.bio-hm-back-btn {
  padding: var(--bio-spacing-sm) var(--bio-spacing-md);
  border: 1px solid var(--bio-border);
  border-radius: var(--bio-radius);
  background: var(--bio-surface);
  cursor: pointer;
  font-size: var(--bio-font-size-sm);
}

/* Connected header */
.bio-hm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--bio-spacing-xs);
}

.bio-hm-device {
  display: flex;
  align-items: center;
  gap: var(--bio-spacing-sm);
}

.bio-hm-device-icon {
  font-size: 1.25rem;
}

.bio-hm-device-name {
  font-weight: var(--bio-font-weight-bold);
}

.bio-hm-actions {
  display: flex;
  gap: var(--bio-spacing-xs);
}

.bio-hm-refresh-btn,
.bio-hm-settings-btn {
  background: none;
  border: 1px solid var(--bio-border);
  border-radius: var(--bio-radius);
  padding: var(--bio-spacing-xs) var(--bio-spacing-sm);
  cursor: pointer;
  font-size: var(--bio-font-size-base);
  transition: all var(--bio-transition);
}

.bio-hm-refresh-btn:hover,
.bio-hm-settings-btn:hover {
  border-color: var(--bio-primary);
  color: var(--bio-primary);
}

.bio-hm-sync-status {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  margin-bottom: var(--bio-spacing-md);
}

/* Metrics grid */
.bio-hm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--bio-spacing-md);
}

.bio-hm-grid-compact {
  grid-template-columns: repeat(2, 1fr);
}

.bio-hm-metric {
  padding: var(--bio-spacing-md);
  background: var(--bio-surface-muted);
  border-radius: var(--bio-radius);
}

.bio-hm-metric-skeleton {
  height: 100px;
  opacity: 0.4;
  animation: bio-hm-pulse 1.5s ease-in-out infinite;
}

@keyframes bio-hm-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.2; }
}

.bio-hm-metric-header {
  display: flex;
  align-items: center;
  gap: var(--bio-spacing-xs);
  margin-bottom: var(--bio-spacing-sm);
}

.bio-hm-metric-icon {
  font-size: var(--bio-font-size-base);
}

.bio-hm-metric-label {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  font-weight: var(--bio-font-weight-medium);
}

.bio-hm-metric-value {
  font-size: var(--bio-font-size-xl);
  font-weight: var(--bio-font-weight-bold);
}

.bio-hm-metric-unit {
  font-size: var(--bio-font-size-sm);
  font-weight: var(--bio-font-weight-normal);
  color: var(--bio-surface-muted-fg);
}

.bio-hm-metric-detail {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  margin-top: var(--bio-spacing-xs);
}

.bio-hm-metric-progress {
  height: 6px;
  background: var(--bio-border);
  border-radius: 3px;
  margin-top: var(--bio-spacing-sm);
  overflow: hidden;
}

.bio-hm-metric-progress-bar {
  height: 100%;
  background: var(--bio-primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.bio-hm-metric-badge {
  display: inline-block;
  padding: 2px var(--bio-spacing-sm);
  border-radius: 9999px;
  font-size: var(--bio-font-size-xs);
  font-weight: var(--bio-font-weight-medium);
  text-transform: capitalize;
  margin-top: var(--bio-spacing-xs);
}

.bio-hm-metric-badge[data-level="excellent"],
.bio-hm-metric-badge[data-level="low"] {
  background: color-mix(in srgb, var(--bio-status-green) 15%, transparent);
  color: var(--bio-status-green);
}

.bio-hm-metric-badge[data-level="good"] {
  background: color-mix(in srgb, var(--bio-primary) 15%, transparent);
  color: var(--bio-primary);
}

.bio-hm-metric-badge[data-level="fair"],
.bio-hm-metric-badge[data-level="moderate"] {
  background: color-mix(in srgb, var(--bio-status-yellow) 15%, transparent);
  color: var(--bio-status-yellow);
}

.bio-hm-metric-badge[data-level="poor"],
.bio-hm-metric-badge[data-level="high"] {
  background: color-mix(in srgb, var(--bio-status-red) 15%, transparent);
  color: var(--bio-status-red);
}

.bio-hm-metric-sub {
  font-size: var(--bio-font-size-xs);
  color: var(--bio-surface-muted-fg);
  margin-top: var(--bio-spacing-xs);
}

/* Settings panel */
.bio-hm-settings {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--bio-spacing-md);
  background: var(--bio-surface-muted);
  border-radius: var(--bio-radius);
  margin-bottom: var(--bio-spacing-md);
}

.bio-hm-settings-provider {
  display: flex;
  align-items: center;
  gap: var(--bio-spacing-sm);
}

.bio-hm-settings-status {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-status-green);
}

.bio-hm-disconnect-btn {
  padding: var(--bio-spacing-xs) var(--bio-spacing-md);
  border: 1px solid var(--bio-status-red);
  border-radius: var(--bio-radius);
  background: none;
  color: var(--bio-status-red);
  font-size: var(--bio-font-size-sm);
  cursor: pointer;
  transition: all var(--bio-transition);
}

.bio-hm-disconnect-btn:hover {
  background: color-mix(in srgb, var(--bio-status-red) 10%, transparent);
}

/* Journal widget */
.bio-journal {
  display: flex;
  flex-direction: column;
  gap: var(--bio-spacing-sm);
}

.bio-journal-prompt {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  font-style: italic;
  padding: var(--bio-spacing-sm) var(--bio-spacing-md);
  background: var(--bio-surface-muted);
  border-radius: var(--bio-radius);
  border-left: 3px solid var(--bio-primary);
}

.bio-journal-textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--bio-spacing-md);
  border: 1px solid var(--bio-border);
  border-radius: var(--bio-radius);
  background: var(--bio-surface);
  color: var(--bio-surface-fg);
  font-family: var(--bio-font);
  font-size: var(--bio-font-size-base);
  line-height: 1.6;
  resize: vertical;
  transition: border-color var(--bio-transition);
}

.bio-journal-textarea:focus {
  outline: none;
  border-color: var(--bio-primary);
}

.bio-journal-textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.bio-journal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bio-journal-status {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
}

.bio-journal-saved {
  color: var(--bio-status-green);
}

.bio-journal-actions {
  display: flex;
  gap: var(--bio-spacing-sm);
}

.bio-journal-save-btn {
  padding: var(--bio-spacing-sm) var(--bio-spacing-lg);
  border-radius: var(--bio-radius);
  border: none;
  background: var(--bio-primary);
  color: var(--bio-primary-fg);
  font-weight: var(--bio-font-weight-medium);
  font-size: var(--bio-font-size-sm);
  cursor: pointer;
  transition: background var(--bio-transition);
}

.bio-journal-save-btn:hover {
  background: var(--bio-primary-hover);
}

.bio-journal-save-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.bio-journal-history-btn {
  padding: var(--bio-spacing-sm) var(--bio-spacing-md);
  border-radius: var(--bio-radius);
  border: 1px solid var(--bio-border);
  background: var(--bio-surface);
  color: var(--bio-surface-fg);
  font-size: var(--bio-font-size-sm);
  font-weight: var(--bio-font-weight-medium);
  cursor: pointer;
  transition: all var(--bio-transition);
}

.bio-journal-history-btn:hover {
  border-color: var(--bio-primary);
  color: var(--bio-primary);
}

/* Journal history */
.bio-journal-history {
  display: flex;
  flex-direction: column;
  gap: var(--bio-spacing-sm);
  margin-top: var(--bio-spacing-sm);
  padding-top: var(--bio-spacing-md);
  border-top: 1px solid var(--bio-border);
}

.bio-journal-history-loading,
.bio-journal-history-empty {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  text-align: center;
  padding: var(--bio-spacing-md);
}

.bio-journal-history-entry {
  padding: var(--bio-spacing-sm) var(--bio-spacing-md);
  background: var(--bio-surface-muted);
  border-radius: var(--bio-radius);
}

.bio-journal-history-meta {
  display: flex;
  gap: var(--bio-spacing-sm);
  font-size: var(--bio-font-size-xs);
  color: var(--bio-surface-muted-fg);
  margin-bottom: var(--bio-spacing-xs);
}

.bio-journal-history-text {
  font-size: var(--bio-font-size-sm);
  line-height: 1.5;
  white-space: pre-wrap;
}

/* Trend card widget */
.bio-trend-card {
  display: flex;
  flex-direction: column;
  gap: var(--bio-spacing-xs);
  padding: var(--bio-spacing-md);
  background: var(--bio-surface-muted);
  border-radius: var(--bio-radius);
}

.bio-trend-card-skeleton {
  height: 80px;
  opacity: 0.4;
  animation: bio-hm-pulse 1.5s ease-in-out infinite;
}

.bio-trend-card-empty {
  opacity: 0.6;
}

.bio-trend-card-label {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
  font-weight: var(--bio-font-weight-medium);
  text-transform: capitalize;
}

.bio-trend-card-value-row {
  display: flex;
  align-items: baseline;
  gap: var(--bio-spacing-sm);
}

.bio-trend-card-value {
  font-size: var(--bio-font-size-xl);
  font-weight: var(--bio-font-weight-bold);
}

.bio-trend-card-no-data {
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
}

.bio-trend-card-arrow {
  font-size: var(--bio-font-size-lg);
  font-weight: var(--bio-font-weight-bold);
}

.bio-trend-card-arrow[data-trend="improving"] {
  color: var(--bio-trend-improving);
}

.bio-trend-card-arrow[data-trend="stable"] {
  color: var(--bio-trend-stable);
}

.bio-trend-card-arrow[data-trend="declining"] {
  color: var(--bio-trend-declining);
}

.bio-trend-card-change {
  font-size: var(--bio-font-size-sm);
  font-weight: var(--bio-font-weight-medium);
}

.bio-trend-card-change[data-trend="improving"] {
  color: var(--bio-trend-improving);
}

.bio-trend-card-change[data-trend="stable"] {
  color: var(--bio-trend-stable);
}

.bio-trend-card-change[data-trend="declining"] {
  color: var(--bio-trend-declining);
}

.bio-trend-card-stats {
  display: flex;
  justify-content: space-between;
  font-size: var(--bio-font-size-xs);
  color: var(--bio-surface-muted-fg);
}

/* Trend chart widget */
.bio-trend-chart {
  display: flex;
  flex-direction: column;
  gap: var(--bio-spacing-sm);
}

.bio-trend-chart-skeleton {
  height: 200px;
  opacity: 0.4;
  animation: bio-hm-pulse 1.5s ease-in-out infinite;
}

.bio-trend-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bio-trend-chart-label {
  font-size: var(--bio-font-size-sm);
  font-weight: var(--bio-font-weight-medium);
  color: var(--bio-surface-muted-fg);
}

.bio-trend-chart-period {
  font-size: var(--bio-font-size-xs);
  color: var(--bio-surface-muted-fg);
}

.bio-trend-chart svg {
  width: 100%;
  overflow: visible;
}

.bio-trend-chart-line {
  fill: none;
  stroke: var(--bio-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bio-trend-chart-area {
  fill: color-mix(in srgb, var(--bio-primary) 10%, transparent);
}

.bio-trend-chart-dot {
  fill: var(--bio-primary);
  stroke: var(--bio-surface);
  stroke-width: 2;
}

.bio-trend-chart-bar {
  fill: var(--bio-primary);
  rx: 2;
}

.bio-trend-chart-grid {
  stroke: var(--bio-border);
  stroke-width: 1;
  stroke-dasharray: 4 4;
}

.bio-trend-chart-axis-label {
  font-size: 10px;
  fill: var(--bio-surface-muted-fg);
  font-family: var(--bio-font);
}

.bio-trend-chart-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  font-size: var(--bio-font-size-sm);
  color: var(--bio-surface-muted-fg);
}