:root {
  color-scheme: light dark;
  --bg: #fafaf7;
  --fg: #1b1b18;
  --card-bg: #ffffff;
  --accent: #2f6f4f;
  --border: #ddd8cf;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181a;
    --fg: #f0efe9;
    --card-bg: #232426;
    --accent: #63c99a;
    --border: #35363a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}
#app {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  min-height: 100vh;
}
.screen { padding: 16px; max-width: 480px; margin: 0 auto; }
.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.mode-btn, .back-btn, #reroll-btn, #shopping-list-btn, .replace-btn, .recipe-toggle {
  min-height: 44px;
  min-width: 44px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--fg);
  font-size: 16px;
  cursor: pointer;
}
.mode-btn { padding: 20px 14px; font-weight: 600; }
.back-btn, .recipe-toggle { background: none; border: none; color: var(--accent); padding: 8px 0; }
.dish-card, .meal-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
}
.kbju-row { display: flex; gap: 12px; color: var(--accent); font-size: 14px; margin: 8px 0; }
.shopping-category h3 { margin-bottom: 4px; }
.shopping-item { display: flex; align-items: center; gap: 8px; min-height: 44px; }
.shopping-item input[type="checkbox"] { width: 22px; height: 22px; }
.day-block { margin-bottom: 24px; }