/**
 * BabyMemo Design System Foundation — RC3-UX-FOUNDATION-01
 * Offline tokens + components for ALL future modules.
 * No CDN. No Google Fonts. Local Vazirmatn only (via app.css @font-face).
 * Does not redesign existing dashboards; additive foundation.
 */

:root {
  /* Color tokens (light) — aligned with companion Care palette */
  --ds-color-primary: #E8B4BC;
  --ds-color-primary-dark: #B86B77;
  --ds-color-primary-hover: #A55D69;
  --ds-color-secondary: #A8D8EA;
  --ds-color-accent: #F5E6CC;
  --ds-color-bg: #FDF8F6;
  --ds-color-surface: #FFFFFF;
  --ds-color-text: #3D3D3D;
  --ds-color-muted: #8A8A8A;
  --ds-color-border: #EDE5E0;
  --ds-color-success: #7A9E7E;
  --ds-color-warning: #C4A35A;
  --ds-color-danger: #C47878;
  --ds-color-info: #6B9BB8;
  --ds-color-focus: #B86B77;

  /* Bridge to legacy app tokens (no visual dashboard redesign) */
  --color-primary: var(--ds-color-primary);
  --color-primary-dark: var(--ds-color-primary-dark);
  --color-primary-hover: var(--ds-color-primary-hover);
  --color-secondary: var(--ds-color-secondary);
  --color-accent: var(--ds-color-accent);
  --color-bg: var(--ds-color-bg);
  --color-surface: var(--ds-color-surface);
  --color-text: var(--ds-color-text);
  --color-muted: var(--ds-color-muted);
  --color-border: var(--ds-color-border);
  --color-success: var(--ds-color-success);
  --color-error: var(--ds-color-danger);

  /* Typography */
  --ds-font: 'Vazirmatn', Tahoma, sans-serif;
  --ds-text-xs: 0.75rem;
  --ds-text-sm: 0.875rem;
  --ds-text-md: 1rem;
  --ds-text-lg: 1.125rem;
  --ds-text-xl: 1.25rem;
  --ds-text-2xl: 1.5rem;
  --ds-leading: 1.7;

  /* Spacing scale */
  --ds-space-0: 0;
  --ds-space-1: 0.25rem;
  --ds-space-2: 0.5rem;
  --ds-space-3: 0.75rem;
  --ds-space-4: 1rem;
  --ds-space-5: 1.25rem;
  --ds-space-6: 1.5rem;
  --ds-space-8: 2rem;
  --ds-space-10: 2.5rem;
  --ds-space-12: 3rem;

  /* Radius */
  --ds-radius-sm: 0.5rem;
  --ds-radius-md: 0.75rem;
  --ds-radius-lg: 1rem;
  --ds-radius-xl: 1.25rem;
  --ds-radius-full: 9999px;

  /* Elevation */
  --ds-elev-0: none;
  --ds-elev-1: 0 1px 2px rgba(61, 61, 61, 0.06);
  --ds-elev-2: 0 4px 16px rgba(184, 107, 119, 0.12);
  --ds-elev-3: 0 8px 28px rgba(184, 107, 119, 0.16);

  /* Chart (shared) */
  --ds-chart-series: #B86B77;
  --ds-chart-ref: #7A9E7E;
  --ds-chart-grid: var(--ds-color-border);

  /* A11y */
  --ds-touch-min: 44px;
  --ds-focus-ring: 0 0 0 3px color-mix(in srgb, var(--ds-color-focus) 45%, transparent);
}

html.dark,
html.dark body,
body.dark,
.dark {
  --ds-color-primary: #C45C6A;
  --ds-color-primary-dark: #E8B4BC;
  --ds-color-primary-hover: #D48994;
  --ds-color-secondary: #5A9BB0;
  --ds-color-accent: #3D3428;
  --ds-color-bg: #1A1819;
  --ds-color-surface: #242122;
  --ds-color-text: #F5F5F5;
  --ds-color-muted: #A1A1AA;
  --ds-color-border: #3F3F46;
  --ds-color-success: #8FB396;
  --ds-color-warning: #D4B86A;
  --ds-color-danger: #D48989;
  --ds-color-info: #7AAFC8;
  --ds-color-focus: #E8B4BC;
  --ds-chart-series: #C45C6A;
  --ds-chart-ref: #8FB396;
  --ds-elev-1: 0 1px 2px rgba(0, 0, 0, 0.35);
  --ds-elev-2: 0 4px 16px rgba(0, 0, 0, 0.4);
  --ds-elev-3: 0 8px 28px rgba(0, 0, 0, 0.45);
}

@media (prefers-color-scheme: dark) {
  html:not(.light):not([data-theme="light"]) {
    --ds-color-primary: #C45C6A;
    --ds-color-primary-dark: #E8B4BC;
    --ds-color-primary-hover: #D48994;
    --ds-color-secondary: #5A9BB0;
    --ds-color-accent: #3D3428;
    --ds-color-bg: #1A1819;
    --ds-color-surface: #242122;
    --ds-color-text: #F5F5F5;
    --ds-color-muted: #A1A1AA;
    --ds-color-border: #3F3F46;
    --ds-color-success: #8FB396;
    --ds-color-warning: #D4B86A;
    --ds-color-danger: #D48989;
    --ds-color-info: #7AAFC8;
    --ds-color-focus: #E8B4BC;
    --ds-chart-series: #C45C6A;
    --ds-chart-ref: #8FB396;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Utilities ─────────────────────────────────────────── */
.ds-font { font-family: var(--ds-font); }
.ds-text-muted { color: var(--ds-color-muted); }
.ds-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.ds-focusable:focus-visible,
.ds-btn:focus-visible,
.ds-input:focus-visible,
.ds-select:focus-visible,
.ds-textarea:focus-visible {
  outline: none;
  box-shadow: var(--ds-focus-ring);
}

/* ── Card ──────────────────────────────────────────────── */
.ds-card {
  background: var(--ds-color-surface);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-elev-1);
  color: var(--ds-color-text);
}
.ds-card__body { padding: var(--ds-space-4) var(--ds-space-5); }
.ds-card--info { border-color: color-mix(in srgb, var(--ds-color-info) 40%, var(--ds-color-border)); }
.ds-card--success {
  border-color: color-mix(in srgb, var(--ds-color-success) 45%, var(--ds-color-border));
  background: color-mix(in srgb, var(--ds-color-success) 8%, var(--ds-color-surface));
}
.ds-card--warning {
  border-color: color-mix(in srgb, var(--ds-color-warning) 45%, var(--ds-color-border));
  background: color-mix(in srgb, var(--ds-color-warning) 10%, var(--ds-color-surface));
}
.ds-card--chart .ds-card__body { padding-bottom: var(--ds-space-3); }
.ds-card--timeline { border-inline-start: 3px solid var(--ds-color-primary-dark); }

/* ── Button ────────────────────────────────────────────── */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ds-space-2);
  min-height: var(--ds-touch-min);
  min-width: var(--ds-touch-min);
  padding: 0.55rem 1.1rem;
  border-radius: var(--ds-radius-md);
  border: 1.5px solid transparent;
  font-family: var(--ds-font);
  font-size: var(--ds-text-sm);
  font-weight: 650;
  line-height: 1.3;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.ds-btn:disabled,
.ds-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}
.ds-btn--primary {
  background: var(--ds-color-primary-dark);
  color: #fff;
}
.ds-btn--primary:hover:not(:disabled) {
  background: var(--ds-color-primary-hover);
}
.ds-btn--secondary {
  background: transparent;
  border-color: var(--ds-color-border);
  color: var(--ds-color-text);
}
.ds-btn--secondary:hover:not(:disabled) {
  border-color: var(--ds-color-primary-dark);
  color: var(--ds-color-primary-dark);
}
.ds-btn--ghost {
  background: transparent;
  color: var(--ds-color-muted);
}
.ds-btn--ghost:hover:not(:disabled) {
  color: var(--ds-color-primary-dark);
}
.ds-btn--block { width: 100%; }
.ds-btn--sm {
  min-height: var(--ds-touch-min);
  padding: 0.4rem 0.85rem;
  font-size: var(--ds-text-xs);
}

/* ── Form controls ─────────────────────────────────────── */
.ds-field { display: grid; gap: var(--ds-space-2); margin-bottom: var(--ds-space-4); }
.ds-label {
  font-size: var(--ds-text-sm);
  font-weight: 600;
  color: var(--ds-color-text);
}
.ds-hint { font-size: var(--ds-text-xs); color: var(--ds-color-muted); }
.ds-input,
.ds-select,
.ds-textarea {
  width: 100%;
  min-height: var(--ds-touch-min);
  padding: 0.65rem 0.85rem;
  border: 1.5px solid var(--ds-color-border);
  border-radius: var(--ds-radius-md);
  background: var(--ds-color-surface);
  color: var(--ds-color-text);
  font-family: var(--ds-font);
  font-size: var(--ds-text-md);
}
.ds-textarea { min-height: 6.5rem; resize: vertical; }
.ds-input:focus,
.ds-select:focus,
.ds-textarea:focus {
  border-color: var(--ds-color-primary-dark);
  outline: none;
  box-shadow: var(--ds-focus-ring);
}
.ds-date {
  /* Wrapper around existing jalali date inputs — no external picker CDN */
  display: block;
}
.ds-date .ds-input { direction: ltr; text-align: right; }

/* ── Section header ────────────────────────────────────── */
.ds-section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ds-space-3);
  margin-bottom: var(--ds-space-4);
}
.ds-section-header__title {
  margin: 0;
  font-size: var(--ds-text-xl);
  font-weight: 700;
  color: var(--ds-color-text);
}
.ds-section-header__sub {
  margin: var(--ds-space-1) 0 0;
  font-size: var(--ds-text-sm);
  color: var(--ds-color-muted);
  max-width: 36rem;
}

/* ── States ────────────────────────────────────────────── */
.ds-state {
  display: grid;
  gap: var(--ds-space-3);
  justify-items: center;
  text-align: center;
  padding: var(--ds-space-8) var(--ds-space-4);
  border-radius: var(--ds-radius-lg);
  border: 1px dashed var(--ds-color-border);
  background: color-mix(in srgb, var(--ds-color-surface) 85%, var(--ds-color-bg));
}
.ds-state__title {
  margin: 0;
  font-size: var(--ds-text-lg);
  font-weight: 650;
}
.ds-state__text {
  margin: 0;
  font-size: var(--ds-text-sm);
  color: var(--ds-color-muted);
  max-width: 28rem;
  line-height: var(--ds-leading);
}
.ds-state--loading {
  border-style: solid;
  border: 0;
  background: transparent;
  padding: var(--ds-space-2) 0;
  justify-items: stretch;
  text-align: start;
}
.ds-state--skeleton { width: 100%; }
.ds-state--error {
  border-color: color-mix(in srgb, var(--ds-color-danger) 35%, var(--ds-color-border));
}
.ds-state--demo {
  border-color: color-mix(in srgb, var(--ds-color-secondary) 50%, var(--ds-color-border));
  background: color-mix(in srgb, var(--ds-color-secondary) 10%, var(--ds-color-surface));
}
.ds-state__icon {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ds-color-primary) 12%, var(--ds-color-surface));
  color: var(--ds-color-primary);
}
/* Skeleton shimmer — layout-matched loading (no spinner-only pages) */
.ds-skeleton { width: 100%; }
.ds-skeleton-section { margin-bottom: var(--ds-space-3); }
.ds-skeleton-section--spaced { margin-top: var(--ds-space-5); }
.ds-skeleton-kpi,
.ds-skeleton-modules {
  display: grid;
  gap: var(--ds-space-3);
  grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr));
}
.ds-skeleton-list {
  display: grid;
  gap: var(--ds-space-2);
}
.ds-skeleton-card {
  background: var(--ds-color-surface);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-space-4);
  box-shadow: var(--ds-elev-1);
}
.ds-skeleton-card--row { padding: var(--ds-space-3) var(--ds-space-4); }
.ds-skeleton-card--module {
  display: grid;
  justify-items: center;
  text-align: center;
  min-height: 5.5rem;
  align-content: center;
}
.ds-skeleton-bone {
  display: block;
  max-width: 100%;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--ds-color-border) 70%, var(--ds-color-surface)) 0%,
    color-mix(in srgb, var(--ds-color-primary) 12%, var(--ds-color-surface)) 45%,
    color-mix(in srgb, var(--ds-color-border) 70%, var(--ds-color-surface)) 100%
  );
  background-size: 200% 100%;
  animation: ds-shimmer 1.35s ease-in-out infinite;
}
.ds-skeleton-bone--gap { margin-top: var(--ds-space-2); }
.ds-skeleton-bone--circle {
  border-radius: 999px;
  width: 2rem !important;
  height: 2rem !important;
}
@keyframes ds-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}
.ds-spinner {
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--ds-color-border);
  border-top-color: var(--ds-color-primary-dark);
  border-radius: 50%;
  animation: ds-spin 0.8s linear infinite;
}
@keyframes ds-spin { to { transform: rotate(360deg); } }

/* ── Action bars ───────────────────────────────────────── */
.ds-action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ds-space-2);
  align-items: center;
  justify-content: flex-start;
  padding: var(--ds-space-3) 0;
}
.ds-action-bar .ds-btn--primary { /* one primary emphasis */ }

.ds-sticky-action {
  display: none;
}
@media (max-width: 767px) {
  .ds-sticky-action {
    display: block;
    position: sticky;
    bottom: 0;
    z-index: 40;
    padding: var(--ds-space-3) var(--ds-space-4);
    padding-bottom: calc(var(--ds-space-3) + env(safe-area-inset-bottom, 0px));
    background: color-mix(in srgb, var(--ds-color-surface) 92%, transparent);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--ds-color-border);
    box-shadow: var(--ds-elev-2);
  }
  .ds-sticky-action .ds-btn { width: 100%; }
}

/* Chart surface uses shared series token */
.ds-chart-frame {
  --ch-chart-accent: var(--ds-chart-series);
  min-height: 12rem;
}
.noor-chart,
[data-noor-chart] {
  --ds-chart-series: var(--ds-chart-series);
}

/* RC3-QUALITY-01 — consistent Care parent surfaces */
.care-page-stack {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-4);
}
.care-kpi-grid {
  display: grid;
  gap: var(--ds-space-3);
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  margin-bottom: var(--ds-space-4);
}
.ch-chart-frame,
.ch-chart-frame .noor-chart,
.ch-chart-frame .noor-chart-canvas {
  min-height: 13.75rem; /* 220px — matches chart mount height */
}
.ch-charts-grid {
  display: grid;
  gap: var(--ds-space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .ch-charts-grid {
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  }
}
.care-empty-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ds-space-3);
  text-align: center;
  padding: var(--ds-space-2) 0 var(--ds-space-4);
}
.care-empty-panel .care-demo-enter-form {
  margin-top: 0;
}
.care-list-stack {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--ds-space-6);
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-2);
}
@media (max-width: 767px) {
  .growth-kpi-grid,
  .sleep-kpi-grid,
  .care-kpi-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-header-actions {
    flex-wrap: wrap;
    gap: var(--ds-space-2);
  }
}

/* RC3-HOTFIX-UX-02 — unit beside value; never typed */
.care-input-with-unit {
  display: flex;
  align-items: stretch;
  gap: 0;
  direction: ltr;
}
.care-input-with-unit .form-input,
.care-input-with-unit .ds-input,
.care-input-with-unit .care-parent-number {
  flex: 1 1 auto;
  border-start-end-radius: 0;
  border-end-end-radius: 0;
  min-width: 0;
}
.care-unit-suffix {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--ds-space-3);
  background: var(--ds-color-surface-muted, #f5f0ed);
  border: 1px solid var(--ds-color-border, #e8dfd9);
  border-inline-start: 0;
  border-start-end-radius: var(--ds-radius-md, 0.5rem);
  border-end-end-radius: var(--ds-radius-md, 0.5rem);
  color: var(--ds-color-text-muted, #6b6560);
  font-size: 0.875rem;
  white-space: nowrap;
  user-select: none;
}

/* RC3-HOTFIX-UX-03A/03B — avatars + child picker
   Uploaded photo must stay clipped inside the circle — never full-bleed in the page. */
.ds-avatar {
  --ds-avatar-bg: #f0e4df;
  --ds-avatar-fg: #5c4033;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-sizing: border-box;
  width: 96px;
  height: 96px;
  overflow: hidden;
  border-radius: 50%;
  background: var(--ds-avatar-bg);
  color: var(--ds-avatar-fg);
  font-weight: 700;
  line-height: 1;
  user-select: none;
  vertical-align: middle;
}
.ds-avatar--sm { width: 2rem; height: 2rem; font-size: 0.875rem; }
.ds-avatar--md { width: 2.75rem; height: 2.75rem; font-size: 1.05rem; }
.ds-avatar--lg { width: 3.5rem; height: 3.5rem; font-size: 1.25rem; }
.ds-avatar--xl { width: 96px; height: 96px; font-size: 1.75rem; }
.ds-avatar--rose { --ds-avatar-bg: #f3d7d9; --ds-avatar-fg: #7a3b45; }
.ds-avatar--sky { --ds-avatar-bg: #d5e7f2; --ds-avatar-fg: #2f5d78; }
.ds-avatar--sand { --ds-avatar-bg: #efe2c9; --ds-avatar-fg: #6d5630; }
.ds-avatar--sage { --ds-avatar-bg: #d9e6d6; --ds-avatar-fg: #3d5a40; }
.ds-avatar--lilac { --ds-avatar-bg: #e4d8ef; --ds-avatar-fg: #5a4570; }
.ds-avatar--coral { --ds-avatar-bg: #f3d8c8; --ds-avatar-fg: #7a4a32; }
.ds-avatar__img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  border: 0;
}
.ds-avatar__letter { display: block; }

.care-child-picker {
  display: grid;
  gap: var(--ds-space-2);
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
}
.care-child-picker__item { cursor: pointer; margin: 0; }
.care-child-picker__item input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.care-child-picker__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ds-space-2);
  padding: var(--ds-space-3);
  border: 1px solid var(--ds-color-border, #e8dfd9);
  border-radius: var(--ds-radius-md, 0.75rem);
  background: var(--ds-color-surface, #fff);
  text-align: center;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.care-child-picker__item input:checked + .care-child-picker__card,
.care-child-picker__item input:focus-visible + .care-child-picker__card {
  border-color: var(--ds-color-primary, #c98992);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--ds-color-primary, #c98992) 28%, transparent);
}
.care-child-picker__name { font-weight: 600; font-size: 0.95rem; }
.care-child-picker__age { display: block; color: var(--ds-color-text-muted, #6b6560); font-size: 0.8rem; margin-top: 0.15rem; }

.profile-photo-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ds-space-4);
}
.profile-photo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ds-space-2);
}