/* ============================================
   WITHINGS IA TEMPLATE KIT — BASE STYLES
   ============================================
   This file is the single source of truth for
   design tokens, fonts, and base layout.
   Engineers maintain this file — do NOT modify.

   Supports TWO template types:
   - Dark theme (mobile app webviews)   → default
   - Light theme (partner landing pages) → add class="theme-light" to <html>
   ============================================ */

/* ============================================
   FONTS — Full Aeonik family
   ============================================ */
@font-face {
  font-family: 'Aeonik';
  src: url('https://static.withings.com/content/fonts/Aeonik/aeonik-light-webfont.woff2') format('woff2'),
       url('https://static.withings.com/content/fonts/Aeonik/aeonik-light-webfont.woff') format('woff');
  font-weight: 300;
  font-style: normal;
  font-display: block;
  size-adjust: 100%;
}
@font-face {
  font-family: 'Aeonik';
  src: url('https://static.withings.com/content/fonts/Aeonik/aeonik-regular-webfont.woff2') format('woff2'),
       url('https://static.withings.com/content/fonts/Aeonik/aeonik-regular-webfont.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: block;
  size-adjust: 100%;
}
@font-face {
  font-family: 'Aeonik';
  src: url('https://static.withings.com/content/fonts/Aeonik/aeonik-medium-webfont.woff2') format('woff2'),
       url('https://static.withings.com/content/fonts/Aeonik/aeonik-medium-webfont.woff') format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: block;
  size-adjust: 100%;
}
@font-face {
  font-family: 'Aeonik';
  src: url('https://static.withings.com/content/fonts/Aeonik/aeonik-bold-webfont.woff2') format('woff2'),
       url('https://static.withings.com/content/fonts/Aeonik/aeonik-bold-webfont.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: block;
  size-adjust: 100%;
}
@font-face {
  font-family: 'Aeonik';
  src: url('https://static.withings.com/content/fonts/Aeonik/aeonik-black-webfont.woff2') format('woff2'),
       url('https://static.withings.com/content/fonts/Aeonik/aeonik-black-webfont.woff') format('woff');
  font-weight: 800;
  font-style: normal;
  font-display: block;
  size-adjust: 100%;
}

/* ============================================
   DESIGN TOKENS — Dark Theme (default)
   ============================================ */
:root {
  /* Backgrounds */
  --bg-page: #0F0F0F;
  --bg-card: #2D2B28;
  --bg-card-inner: rgba(255,255,255,0.05);
  --bg-green-zone: #173E18;
  --bg-blue-zone: #394B96;

  /* Accents */
  --accent-green: #6DAF6D;
  --accent-blue: #7F9BFF;
  --accent-yellow: #E7BC2C;

  /* Brand */
  --brand-primary: #5168CC;
  --brand-primary-hover: #4158B3;
  --gradient-start: #8372C2;
  --gradient-end: #E46287;
  --gradient-cardio: linear-gradient(90deg, var(--gradient-start) 5.72%, var(--gradient-end) 95.31%);

  /* Text */
  --text-primary: #FFFFFF;
  --text-secondary: #DDD9D5;
  --text-muted: #A49F9B;
  --text-dim50: rgba(255,255,255,0.5);
  --text-dim75: rgba(255,255,255,0.75);

  /* Borders */
  --border-divider: rgba(255,255,255,0.12);

  /* Radius */
  --radius-card: 24px;
  --radius-inner: 20px;
  --radius-pill: 100px;

  /* Icon backgrounds */
  --icon-bg: #53504C;
  --yellow-bg: #433506;
}

/* ============================================
   DESIGN TOKENS — Light Theme
   Add class="theme-light" to <html> to activate
   ============================================ */
.theme-light {
  --bg-page: #F7F5F3;
  --bg-card: #FFFFFF;
  --bg-card-inner: rgba(0,0,0,0.03);

  --text-primary: #0F0F0F;
  --text-secondary: #45413E;
  --text-muted: #7A7672;
  --text-dim50: rgba(0,0,0,0.5);
  --text-dim75: rgba(0,0,0,0.75);

  --border-divider: rgba(0,0,0,0.08);
  --icon-bg: rgba(81,104,204,0.10);
}

/* ============================================
   RESET & GLOBAL
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: var(--bg-page);
  min-height: 100vh;
  overflow-x: hidden;
  height: -webkit-fill-available;
}

body {
  font-family: 'Aeonik', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: -webkit-fill-available;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  line-height: 120%;
}

/* ============================================
   DARK THEME — App container & cards
   (only applies without .theme-light)
   ============================================ */
html:not(.theme-light) body {
  background: linear-gradient(180deg, rgba(23,62,24,0.4) 0%, rgba(23,62,24,0) 24%), var(--bg-page);
}

.app {
  max-width: 402px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: calc(32px + env(safe-area-inset-bottom, 0px));
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 16px;
}

.icon { display: inline-block; vertical-align: middle; fill: currentColor; flex-shrink: 0; }

/* ============================================
   SHARED ANIMATIONS
   ============================================ */

/* Scroll entrance (dark theme) */
.fade-up { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease-out, transform 0.5s ease-out; }
.fade-up.visible { opacity: 1; transform: none; }

/* Fade in up (light theme) */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   SHARED COMPONENTS — NavBar
   ============================================ */
.c-nav-bar {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  gap: 12px;
}
.c-nav-bar__back {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
}
.c-nav-bar__title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.c-nav-bar__logo { width: 24px; height: 24px; }
.c-nav-bar__title {
  font-size: 17px;
  font-weight: 500;
}

/* ============================================
   SHARED COMPONENTS — Chart Cards
   ============================================ */
.c-chart-card {
  margin: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.c-chart-card__title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
}
.c-chart-card__canvas-wrap {
  position: relative;
  height: 180px;
}

/* Loading indicator */
.c-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 16px;
}
.c-loader__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.08);
  border-top-color: #6DAF6D;
  border-radius: 50%;
  animation: loader-spin 0.8s linear infinite;
}
.c-loader__text {
  font-size: 14px;
  color: rgba(228,224,218,0.5);
}
@keyframes loader-spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   DEMO MODE BANNER
   ============================================ */
.c-demo-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  margin: 0 16px;
  background: rgba(231, 188, 44, 0.12);
  border: 1px solid rgba(231, 188, 44, 0.25);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
  color: #E7BC2C;
  transition: opacity 0.3s, transform 0.3s;
}
.c-demo-banner--dismissed {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
}
.c-demo-banner__text { flex: 1; }
.c-demo-banner__close {
  background: none;
  border: none;
  color: #E7BC2C;
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  opacity: 0.6;
  line-height: 1;
}
.c-demo-banner__close:hover { opacity: 1; }

/* Light theme variant */
.theme-light .c-demo-banner {
  background: rgba(81, 104, 204, 0.08);
  border-color: rgba(81, 104, 204, 0.2);
  color: var(--brand-primary);
}
.theme-light .c-demo-banner__close { color: var(--brand-primary); }
