/* ============================================
   Bilan Santé Complet — Design System
   Prefix: bsc-
   ============================================ */

:root {
  --bsc-primary: #2E7D32;
  --bsc-primary-dark: #1B5E20;
  --bsc-primary-light: #A5D6A7;
  --bsc-secondary: #1565C0;
  --bsc-secondary-light: #90CAF9;
  --bsc-accent: #FF8F00;
  --bsc-accent-light: #FFE082;
  --bsc-success: #43A047;
  --bsc-danger: #C62828;
  --bsc-danger-light: #FFCDD2;
  --bsc-warning: #EF6C00;
  --bsc-text: #1A1A1A;
  --bsc-text-light: #555;
  --bsc-text-muted: #888;
  --bsc-bg: #F5F9F5;
  --bsc-card: #FFFFFF;
  --bsc-border: #E0E8E0;
  --bsc-radius: 16px;
  --bsc-radius-sm: 10px;
  --bsc-shadow: 0 2px 12px rgba(0,0,0,0.06);
  --bsc-shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --bsc-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --bsc-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bsc-nav-height: 64px;
  --bsc-header-height: 56px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--bsc-font);
  background: var(--bsc-bg);
  color: var(--bsc-text);
  line-height: 1.6;
  min-height: 100dvh;
  padding-bottom: calc(var(--bsc-nav-height) + 16px);
  -webkit-font-smoothing: antialiased;
}

/* ---- Typography ---- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; color: var(--bsc-text); }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.1rem; }
h4 { font-size: 0.95rem; }
p { margin-bottom: 0.5rem; }
a { color: var(--bsc-primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- App Header ---- */
.bsc-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bsc-card);
  border-bottom: 1px solid var(--bsc-border);
  padding: 12px 16px;
  display: flex; align-items: center; gap: 12px;
  height: var(--bsc-header-height);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.bsc-header-back {
  width: 44px; height: 44px; border: none; background: none;
  font-size: 1.3rem; cursor: pointer; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--bsc-transition);
  flex-shrink: 0;
}
.bsc-header-back:hover { background: #E8F5E9; }
.bsc-header-title { font-size: 1.1rem; font-weight: 600; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bsc-header-logo {
  font-size: 1.4rem; display: flex; align-items: center; gap: 8px;
}
.bsc-header-logo .bsc-header-title { font-size: 1rem; font-weight: 700; color: var(--bsc-primary-dark); }

/* ---- Bottom Navigation ---- */
.bsc-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--bsc-card);
  border-top: 1px solid var(--bsc-border);
  display: flex; justify-content: space-around; align-items: center;
  height: var(--bsc-nav-height);
  padding-bottom: env(safe-area-inset-bottom, 0);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.04);
}
.bsc-nav-item {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 6px 0; border: none; background: none; cursor: pointer;
  color: var(--bsc-text-muted); font-size: 0.63rem; font-weight: 500;
  transition: color var(--bsc-transition);
  min-width: 56px; position: relative;
  font-family: var(--bsc-font);
}
.bsc-nav-item .nav-icon { font-size: 1.4rem; line-height: 1; }
.bsc-nav-item.active { color: var(--bsc-primary-dark); }
.bsc-nav-item.active .nav-icon { transform: scale(1.1); }

/* ---- Screens ---- */
.bsc-screen {
  display: none; padding: 16px; max-width: 600px; margin: 0 auto;
}
.bsc-screen.active {
  display: block;
  animation: screenFadeIn 0.3s ease;
}
@keyframes screenFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Card ---- */
.bsc-card {
  background: var(--bsc-card);
  border-radius: var(--bsc-radius);
  padding: 16px;
  box-shadow: var(--bsc-shadow);
  margin-bottom: 12px;
  border: 1px solid var(--bsc-border);
}
.bsc-card-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.bsc-card-icon { font-size: 1.5rem; }
.bsc-card-title { font-size: 1rem; font-weight: 600; }

/* ---- Metric Card (dashboard tiles) ---- */
.bsc-metric-card {
  background: var(--bsc-card);
  border-radius: var(--bsc-radius);
  padding: 16px 14px;
  box-shadow: var(--bsc-shadow);
  margin-bottom: 10px;
  border: 1px solid var(--bsc-border);
  border-top: 4px solid var(--bsc-primary);
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.bsc-metric-card .metric-icon { font-size: 1.8rem; margin-bottom: 6px; }
.bsc-metric-card .metric-value { font-size: 1.6rem; font-weight: 700; color: var(--bsc-primary-dark); line-height: 1.2; }
.bsc-metric-card .metric-label { font-size: 0.75rem; color: var(--bsc-text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.03em; }
.bsc-metric-card .metric-sub { font-size: 0.8rem; color: var(--bsc-text-light); margin-top: 4px; }
.bsc-metric-card.danger { border-top-color: var(--bsc-danger); }
.bsc-metric-card.warning { border-top-color: var(--bsc-warning); }
.bsc-metric-card.success { border-top-color: var(--bsc-success); }
.bsc-metric-card.accent { border-top-color: var(--bsc-accent); }
.bsc-metric-card.secondary { border-top-color: var(--bsc-secondary); }

/* ---- Dashboard grid ---- */
.bsc-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

/* ---- Buttons ---- */
.bsc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border: none; border-radius: 50px;
  font-family: var(--bsc-font); font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: all var(--bsc-transition);
  text-decoration: none;
  background: var(--bsc-primary);
  color: #fff;
}
.bsc-btn:hover { background: var(--bsc-primary-dark); transform: translateY(-1px); text-decoration: none; color: #fff; }
.bsc-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.bsc-btn-secondary {
  background: #E8F5E9;
  color: var(--bsc-primary-dark);
}
.bsc-btn-secondary:hover { background: var(--bsc-primary-light); color: var(--bsc-primary-dark); }
.bsc-btn-outline {
  background: transparent;
  border: 2px solid var(--bsc-primary);
  color: var(--bsc-primary-dark);
}
.bsc-btn-outline:hover { background: #E8F5E9; color: var(--bsc-primary-dark); }
.bsc-btn-block { width: 100%; }
.bsc-btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.bsc-btn-danger { background: var(--bsc-danger); }
.bsc-btn-danger:hover { background: #8B0000; }

/* ---- Form Elements ---- */
.bsc-input-group { margin-bottom: 16px; }
.bsc-label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--bsc-text-light); margin-bottom: 6px;
}
.bsc-input, .bsc-select {
  width: 100%; padding: 12px 16px;
  border: 2px solid var(--bsc-border);
  border-radius: var(--bsc-radius-sm);
  font-family: var(--bsc-font); font-size: 1rem;
  background: var(--bsc-card); color: var(--bsc-text);
  transition: border-color var(--bsc-transition);
  -webkit-appearance: none;
  appearance: none;
}
.bsc-input:focus, .bsc-select:focus {
  outline: none;
  border-color: var(--bsc-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}
.bsc-optional { font-weight: 400; font-size: 0.8rem; color: var(--bsc-text-muted); }
.bsc-link-btn {
  display: block; margin-top: 8px;
  background: none; border: none;
  color: var(--bsc-secondary); font-size: 0.85rem;
  cursor: pointer; text-align: left; padding: 0;
  font-family: var(--bsc-font);
  text-decoration: underline dotted;
}
.bsc-link-btn:hover { color: var(--bsc-primary); }

/* ---- Tooltip ---- */
.bsc-tooltip-trigger {
  cursor: help; color: var(--bsc-secondary);
  font-size: 0.9rem; position: relative; margin-left: 4px;
}
.bsc-tooltip {
  display: none; position: absolute; bottom: 130%;
  left: 50%; transform: translateX(-50%);
  background: var(--bsc-text); color: #fff;
  font-size: 0.75rem; font-weight: 400;
  padding: 8px 12px; border-radius: 8px;
  width: 220px; text-align: left; z-index: 10;
  box-shadow: var(--bsc-shadow-lg);
  line-height: 1.4;
}
.bsc-tooltip::after {
  content: ''; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--bsc-text);
}
.bsc-tooltip-trigger:hover .bsc-tooltip,
.bsc-tooltip-trigger:focus .bsc-tooltip { display: block; }

/* ---- Gauge (Chart.js doughnut wrapper) ---- */
.bsc-gauge {
  position: relative; width: 160px; height: 160px;
  margin: 0 auto;
}
.bsc-gauge canvas { width: 100% !important; height: 100% !important; }
.bsc-gauge-value {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 700; color: var(--bsc-text);
  line-height: 1;
}
.bsc-gauge-label { font-size: 0.7rem; color: var(--bsc-text-muted); margin-top: 4px; }

/* ---- Score Ring ---- */
.bsc-score-ring {
  width: 120px; height: 120px;
  border-radius: 50%;
  border: 8px solid var(--bsc-primary-light);
  border-top-color: var(--bsc-primary);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  margin: 0 auto;
  position: relative;
}
.bsc-score-ring .score-val { font-size: 1.8rem; font-weight: 700; color: var(--bsc-primary-dark); line-height: 1; }
.bsc-score-ring .score-max { font-size: 0.75rem; color: var(--bsc-text-muted); }

/* ---- Premium Wall ---- */
.bsc-premium-wall {
  position: relative;
  border-radius: var(--bsc-radius);
  overflow: hidden;
}
.bsc-premium-preview {
  background: linear-gradient(135deg, #E8F5E9, #F5F9F5);
  border-radius: var(--bsc-radius) var(--bsc-radius) 0 0;
  padding: 20px;
  filter: blur(4px);
  pointer-events: none;
  user-select: none;
}
.bsc-premium-content {
  background: var(--bsc-card);
  border: 1px solid var(--bsc-border);
  border-radius: var(--bsc-radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--bsc-shadow-lg);
  margin-top: -40px;
  position: relative;
  z-index: 1;
}
.bsc-premium-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, var(--bsc-primary), var(--bsc-secondary));
  color: #fff; padding: 4px 12px;
  border-radius: 50px; font-size: 0.75rem; font-weight: 600;
  margin-bottom: 8px;
}
.bsc-premium-price-line {
  font-size: 1.8rem; font-weight: 800; color: var(--bsc-primary-dark);
  margin: 8px 0;
}
.bsc-premium-price-line span {
  font-size: 0.9rem; font-weight: 400; color: var(--bsc-text-muted);
}
.bsc-premium-benefits {
  text-align: left; margin: 16px 0; list-style: none;
}
.bsc-premium-benefits li {
  padding: 5px 0; font-size: 0.9rem;
  display: flex; align-items: center; gap: 8px;
}
.bsc-premium-benefits li::before { content: '\2713'; color: var(--bsc-success); font-weight: 700; }
.bsc-premium-comparison {
  display: flex; flex-direction: column; gap: 4px;
  background: #F5F9F5; border-radius: var(--bsc-radius-sm);
  padding: 12px 16px; margin: 16px 0;
  font-size: 0.82rem; color: var(--bsc-text-muted);
}
.bsc-premium-comparison strong { color: var(--bsc-success); font-size: 0.9rem; }
.bsc-rgpd-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #E8F5E9; color: var(--bsc-primary-dark);
  padding: 6px 14px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 600;
  margin-bottom: 16px;
}

/* ---- License form ---- */
.bsc-license-form {
  margin-top: 16px; padding-top: 16px;
  border-top: 1px solid var(--bsc-border);
}
.bsc-license-form p { font-size: 0.82rem; color: var(--bsc-text-muted); margin-bottom: 8px; }
.bsc-license-row { display: flex; gap: 8px; }
.bsc-license-row input {
  flex: 1; padding: 10px 12px;
  border: 2px solid var(--bsc-border);
  border-radius: var(--bsc-radius-sm);
  font-family: var(--bsc-font); font-size: 0.9rem;
  background: var(--bsc-card); color: var(--bsc-text);
}
.bsc-license-row input:focus { outline: none; border-color: var(--bsc-primary); }
.bsc-license-row button {
  padding: 10px 16px;
  background: var(--bsc-secondary);
  color: #fff; border: none;
  border-radius: var(--bsc-radius-sm);
  font-family: var(--bsc-font); font-weight: 600;
  cursor: pointer; font-size: 0.9rem;
  transition: background var(--bsc-transition);
}
.bsc-license-row button:hover { background: #0D47A1; }
.bsc-license-msg { font-size: 0.8rem; margin-top: 6px; }
.bsc-license-msg.success { color: var(--bsc-success); }
.bsc-license-msg.error { color: var(--bsc-danger); }

/* ---- Drawer ---- */
.bsc-drawer-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,0.35);
  display: none;
  animation: bscFadeIn 0.2s ease;
}
.bsc-drawer-overlay.active { display: block; }
.bsc-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 301;
  width: 300px; max-width: 90vw;
  background: var(--bsc-card);
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0));
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  box-shadow: var(--bsc-shadow-lg);
}
.bsc-drawer.active { transform: translateX(0); }
.bsc-drawer-handle {
  width: 40px; height: 4px; border-radius: 2px;
  background: var(--bsc-border); margin: 0 auto 20px;
}
.bsc-drawer-section { margin-bottom: 8px; }
.bsc-drawer-section-title {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--bsc-text-muted);
  padding: 8px 8px 4px;
}
.bsc-drawer-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 8px; border-radius: var(--bsc-radius-sm);
  cursor: pointer; transition: background var(--bsc-transition);
  border: none; background: none; width: 100%;
  font-family: var(--bsc-font); font-size: 0.9rem;
  color: var(--bsc-text); text-decoration: none;
}
.bsc-drawer-item:hover { background: #E8F5E9; text-decoration: none; color: var(--bsc-text); }
.bsc-drawer-item .drawer-icon { font-size: 1.2rem; width: 24px; text-align: center; flex-shrink: 0; }
.bsc-drawer-item.premium { color: var(--bsc-text); }
.bsc-drawer-item.premium::before { content: ''; }

/* ---- Tags / Badges ---- */
.bsc-tag {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 50px;
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.02em;
  flex-shrink: 0; margin-left: auto;
}
.bsc-tag-premium {
  background: linear-gradient(135deg, var(--bsc-primary), var(--bsc-secondary));
  color: #fff;
}
.bsc-tag-free { background: #E8F5E9; color: var(--bsc-primary-dark); }
.bsc-tag-success { background: #E8F5E9; color: var(--bsc-success); }
.bsc-tag-warning { background: #FFF3E0; color: var(--bsc-warning); }
.bsc-tag-danger { background: var(--bsc-danger-light); color: var(--bsc-danger); }

/* ---- Progress Bar ---- */
.bsc-progress-bar {
  width: 100%; height: 10px;
  background: var(--bsc-border);
  border-radius: 50px; overflow: hidden; margin: 8px 0;
}
.bsc-progress-fill {
  height: 100%; border-radius: 50px;
  background: linear-gradient(90deg, var(--bsc-primary-light), var(--bsc-primary));
  transition: width 0.5s ease;
}
.bsc-progress-fill.danger { background: linear-gradient(90deg, #EF9A9A, var(--bsc-danger)); }
.bsc-progress-fill.warning { background: linear-gradient(90deg, #FFCC80, var(--bsc-warning)); }

/* ---- Table ---- */
.bsc-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.9rem;
}
.bsc-table th {
  text-align: left; padding: 10px 12px;
  background: #F5F9F5; font-weight: 600; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.03em;
  color: var(--bsc-text-muted);
  border-bottom: 2px solid var(--bsc-border);
}
.bsc-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--bsc-border);
  color: var(--bsc-text);
}
.bsc-table tr:last-child td { border-bottom: none; }
.bsc-table tr:hover td { background: #F5F9F5; }

/* ---- Info/Warning/Danger boxes ---- */
.bsc-info-box {
  border-radius: var(--bsc-radius-sm);
  padding: 12px 16px;
  font-size: 0.85rem;
  margin-bottom: 12px;
  line-height: 1.5;
}
.bsc-info-box.info { background: #E3F2FD; color: #1565C0; }
.bsc-info-box.success { background: #E8F5E9; color: var(--bsc-primary-dark); }
.bsc-info-box.warning { background: #FFF3E0; color: var(--bsc-warning); }
.bsc-info-box.danger { background: var(--bsc-danger-light); color: var(--bsc-danger); }

/* ---- Disclaimer (YMYL) ---- */
.bsc-disclaimer {
  background: #F5F9F5;
  border-left: 3px solid var(--bsc-primary-light);
  border-radius: 0 var(--bsc-radius-sm) var(--bsc-radius-sm) 0;
  padding: 10px 14px;
  font-size: 0.75rem;
  color: var(--bsc-text-muted);
  margin-top: 16px;
  line-height: 1.5;
}

/* ---- Comparison Row ---- */
.bsc-comparison-row {
  display: flex; align-items: center;
  padding: 12px 0; border-bottom: 1px solid var(--bsc-border);
  gap: 12px;
}
.bsc-comparison-row:last-child { border-bottom: none; }
.bsc-comparison-label { flex: 1; font-size: 0.9rem; font-weight: 500; }
.bsc-comparison-value { font-size: 1rem; font-weight: 700; color: var(--bsc-primary-dark); }
.bsc-comparison-row.highlight { background: #E8F5E9; border-radius: var(--bsc-radius-sm); padding: 12px; }

/* ---- Chart container ---- */
.bsc-chart-container {
  position: relative;
  width: 100%; height: 220px;
}
.bsc-chart-container canvas { width: 100% !important; }

/* ---- Onboarding (3-step wizard) ---- */
.bsc-onboarding {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  animation: bscFadeIn 0.3s ease;
}
.bsc-onboarding.hidden { display: none; }
.bsc-onboarding-card {
  background: var(--bsc-card);
  border-radius: 24px;
  padding: 28px 24px;
  max-width: 420px; width: 100%;
  box-shadow: var(--bsc-shadow-lg);
  animation: bscSlideUp 0.35s ease;
  max-height: 90dvh;
  overflow-y: auto;
}
.bsc-onboarding-card h2 { text-align: center; margin-bottom: 8px; }
.bsc-onboarding-card > .bsc-onboarding-step > p {
  text-align: center; color: var(--bsc-text-light); font-size: 0.9rem; margin-bottom: 20px;
}
.bsc-onboarding-step.hidden { display: none; }

@keyframes bscFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes bscSlideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ---- Onboarding dots ---- */
.bsc-onboarding-dots {
  display: flex; justify-content: center; gap: 8px;
  margin-top: 20px;
}
.bsc-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--bsc-border);
  transition: background var(--bsc-transition);
  cursor: pointer;
}
.bsc-dot.active { background: var(--bsc-primary); width: 20px; border-radius: 4px; }

/* ---- Sex selector ---- */
.bsc-sex-selector { display: flex; gap: 10px; margin-bottom: 4px; }
.bsc-sex-btn {
  flex: 1; padding: 12px;
  border: 2px solid var(--bsc-border);
  border-radius: var(--bsc-radius-sm);
  background: var(--bsc-card);
  font-family: var(--bsc-font); font-size: 0.95rem; font-weight: 600;
  cursor: pointer; text-align: center;
  transition: all var(--bsc-transition);
}
.bsc-sex-btn.active {
  border-color: var(--bsc-primary);
  background: #E8F5E9;
  color: var(--bsc-primary-dark);
}
.bsc-sex-btn:hover { border-color: var(--bsc-primary-light); }

/* ---- Activity buttons ---- */
.bsc-activity-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px;
}
.bsc-activity-btn {
  padding: 10px 4px;
  border: 2px solid var(--bsc-border);
  border-radius: var(--bsc-radius-sm);
  background: var(--bsc-card);
  font-family: var(--bsc-font); font-size: 0.7rem; font-weight: 500;
  cursor: pointer; text-align: center; line-height: 1.4;
  transition: all var(--bsc-transition);
}
.bsc-activity-btn span { display: block; font-size: 0.65rem; margin-top: 4px; }
.bsc-activity-btn.active {
  border-color: var(--bsc-primary);
  background: #E8F5E9;
  color: var(--bsc-primary-dark);
}
.bsc-activity-btn:hover { border-color: var(--bsc-primary-light); }

/* ---- Goal buttons ---- */
.bsc-goal-grid { display: flex; gap: 8px; }
.bsc-goal-btn {
  flex: 1; padding: 12px 8px;
  border: 2px solid var(--bsc-border);
  border-radius: var(--bsc-radius-sm);
  background: var(--bsc-card);
  font-family: var(--bsc-font); font-size: 0.85rem; font-weight: 600;
  cursor: pointer; text-align: center;
  transition: all var(--bsc-transition);
}
.bsc-goal-btn.active {
  border-color: var(--bsc-primary);
  background: #E8F5E9;
  color: var(--bsc-primary-dark);
}
.bsc-goal-btn:hover { border-color: var(--bsc-primary-light); }

/* ---- Install banner ---- */
.bsc-install-banner {
  background: linear-gradient(135deg, #E8F5E9, #E3F2FD);
  border-radius: var(--bsc-radius);
  padding: 14px 16px;
  margin: 0 16px 12px;
  display: flex; align-items: center; gap: 12px;
}
.bsc-install-banner .install-text { flex: 1; font-size: 0.85rem; font-weight: 500; }
.bsc-install-banner .install-close {
  width: 28px; height: 28px; border-radius: 50%;
  border: none; background: rgba(255,255,255,0.7);
  cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ---- Quick Actions Grid (dashboard) ---- */
.bsc-actions {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
  margin: 16px 0;
}
.bsc-action {
  background: var(--bsc-card);
  border: 1px solid var(--bsc-border);
  border-radius: var(--bsc-radius);
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all var(--bsc-transition);
  text-decoration: none; color: var(--bsc-text);
  display: block;
}
.bsc-action:hover { border-color: var(--bsc-primary-light); transform: translateY(-2px); box-shadow: var(--bsc-shadow); text-decoration: none; color: var(--bsc-text); }
.bsc-action-icon { font-size: 1.8rem; margin-bottom: 6px; }
.bsc-action-label { font-size: 0.8rem; font-weight: 600; }

/* ---- Utilities ---- */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--bsc-text-muted); }
.text-sm { font-size: 0.85rem; }
.text-success { color: var(--bsc-success); }
.text-danger { color: var(--bsc-danger); }
.text-warning { color: var(--bsc-warning); }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.fw-bold { font-weight: 700; }

/* ---- Responsive: mobile-first, max 600px centered ---- */
@media (min-width: 600px) {
  .bsc-actions { grid-template-columns: repeat(3, 1fr); }
  .bsc-metrics-grid { grid-template-columns: repeat(3, 1fr); }
  body { padding-bottom: 80px; }
}

/* ---- PWA Standalone ---- */
@media (display-mode: standalone) {
  body { padding-top: env(safe-area-inset-top, 0); }
  .bsc-header { padding-top: env(safe-area-inset-top, 0); }
}

/* ============================================
   DARK MODE — prefers-color-scheme + data-theme
   ============================================ */
@media (prefers-color-scheme: dark) and (max-width: 0px) {
  :root {
    --bsc-primary: #66BB6A;
    --bsc-primary-dark: #A5D6A7;
    --bsc-primary-light: #2E5130;
    --bsc-secondary: #64B5F6;
    --bsc-secondary-light: #1A3A5C;
    --bsc-accent: #FFB300;
    --bsc-accent-light: #5C4A00;
    --bsc-success: #66BB6A;
    --bsc-danger: #EF5350;
    --bsc-danger-light: #4A1515;
    --bsc-warning: #FFA726;
    --bsc-text: #E0E0E0;
    --bsc-text-light: #AAAAAA;
    --bsc-text-muted: #757575;
    --bsc-bg: #121212;
    --bsc-card: #1E1E1E;
    --bsc-border: #333333;
    --bsc-shadow: 0 2px 12px rgba(0,0,0,0.4);
    --bsc-shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  }
  body { background: var(--bsc-bg); color: var(--bsc-text); }
  .bsc-header { background: var(--bsc-card); border-bottom-color: var(--bsc-border); }
  .bsc-header-back:hover { background: var(--bsc-border); }
  .bsc-nav { background: var(--bsc-card); border-top-color: var(--bsc-border); box-shadow: 0 -2px 12px rgba(0,0,0,0.3); }
  .bsc-card { background: var(--bsc-card); border-color: var(--bsc-border); }
  .bsc-metric-card { background: var(--bsc-card); border-color: var(--bsc-border); }
  .bsc-input, .bsc-select { background: #2A2A2A; border-color: var(--bsc-border); color: var(--bsc-text); }
  .bsc-input:focus, .bsc-select:focus { border-color: var(--bsc-primary); box-shadow: 0 0 0 3px rgba(102,187,106,0.15); }
  .bsc-drawer { background: var(--bsc-card); }
  .bsc-drawer-overlay.active { background: rgba(0,0,0,0.6); }
  .bsc-drawer-item { color: var(--bsc-text); }
  .bsc-drawer-item:hover { background: var(--bsc-border); color: var(--bsc-text); }
  .bsc-drawer-section-title { color: var(--bsc-text-muted); }
  .bsc-onboarding-card { background: var(--bsc-card); }
  .bsc-sex-btn, .bsc-activity-btn, .bsc-goal-btn { background: #2A2A2A; border-color: var(--bsc-border); color: var(--bsc-text); }
  .bsc-sex-btn.active, .bsc-activity-btn.active, .bsc-goal-btn.active { background: #1A3520; border-color: var(--bsc-primary); color: var(--bsc-primary); }
  .bsc-premium-content { background: var(--bsc-card); border-color: var(--bsc-border); }
  .bsc-premium-comparison { background: #2A2A2A; }
  .bsc-rgpd-badge { background: #1A3520; color: var(--bsc-primary); }
  .bsc-license-row input { background: #2A2A2A; color: var(--bsc-text); border-color: var(--bsc-border); }
  .bsc-disclaimer { background: #1A1A1A; color: var(--bsc-text-muted); border-left-color: var(--bsc-border); }
  .bsc-info-box.info { background: #0D2137; color: #90CAF9; }
  .bsc-info-box.success { background: #1A3520; color: #A5D6A7; }
  .bsc-info-box.warning { background: #2A2000; color: #FFB300; }
  .bsc-info-box.danger { background: var(--bsc-danger-light); color: #EF9A9A; }
  .bsc-table th { background: #2A2A2A; color: var(--bsc-text-muted); }
  .bsc-table td { border-bottom-color: var(--bsc-border); }
  .bsc-table tr:hover td { background: #2A2A2A; }
  .bsc-action { background: var(--bsc-card); border-color: var(--bsc-border); color: var(--bsc-text); }
  .bsc-action:hover { border-color: var(--bsc-primary); color: var(--bsc-text); }
  .bsc-tag-free { background: #1A3520; color: var(--bsc-primary); }
  .bsc-tag-success { background: #1A3520; color: #A5D6A7; }
  .bsc-tag-warning { background: #2A2000; color: #FFB300; }
  .bsc-tag-danger { background: var(--bsc-danger-light); color: #EF9A9A; }
  .bsc-btn-secondary { background: #2A2A2A; color: var(--bsc-primary); }
  .bsc-btn-secondary:hover { background: var(--bsc-border); }
  .bsc-btn-outline { border-color: var(--bsc-primary); color: var(--bsc-primary); }
  .bsc-install-banner { background: linear-gradient(135deg, #1A3520, #0D2137); }
  h1, h2, h3, h4 { color: var(--bsc-text); }
  a { color: var(--bsc-primary); }
  canvas { filter: none; }
}

[data-theme="dark"] {
  --bsc-primary: #66BB6A;
  --bsc-primary-dark: #A5D6A7;
  --bsc-primary-light: #2E5130;
  --bsc-secondary: #64B5F6;
  --bsc-secondary-light: #1A3A5C;
  --bsc-accent: #FFB300;
  --bsc-accent-light: #5C4A00;
  --bsc-success: #66BB6A;
  --bsc-danger: #EF5350;
  --bsc-danger-light: #4A1515;
  --bsc-warning: #FFA726;
  --bsc-text: #E0E0E0;
  --bsc-text-light: #AAAAAA;
  --bsc-text-muted: #757575;
  --bsc-bg: #121212;
  --bsc-card: #1E1E1E;
  --bsc-border: #333333;
  --bsc-shadow: 0 2px 12px rgba(0,0,0,0.4);
  --bsc-shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}

/* ============================================
   PRINT CSS — PDF export
   ============================================ */
@media print {
  .bsc-nav,
  .bsc-header,
  .bsc-drawer,
  .bsc-drawer-overlay,
  .bsc-premium-wall,
  .bsc-install-banner,
  .bsc-onboarding {
    display: none !important;
  }
  .bsc-screen {
    display: block !important;
    padding: 0;
    max-width: 100%;
  }
  body {
    background: #fff;
    color: #000;
    padding-bottom: 0;
  }
  .bsc-card, .bsc-metric-card {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }
  .bsc-chart-container { break-inside: avoid; }
  a { color: #000; text-decoration: none; }
}