/* ============================================
   BLUEBERRY VISION — Premium Design System
   A wellness companion for 50+ adults
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Primary — Blueberry */
  --color-primary-900: #1E1B4B;
  --color-primary-800: #312E81;
  --color-primary-700: #4338CA;
  --color-primary-600: #4F46E5;
  --color-primary-500: #6366F1;
  --color-primary-400: #818CF8;
  --color-primary-300: #A5B4FC;
  --color-primary-200: #C7D2FE;
  --color-primary-100: #E0E7FF;
  --color-primary-50: #EEF2FF;

  /* Warm Whites */
  --color-warm-cream: #FEFCE8;
  --color-warm-peach: #FFF7ED;
  --color-warm-amber: #FFFBEB;

  /* Gold Accents */
  --color-gold-600: #D97706;
  --color-gold-500: #F59E0B;
  --color-gold-400: #FBBF24;
  --color-gold-100: #FEF3C7;

  /* Gray Scale */
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* Semantic Colors */
  --color-success: #22C55E;
  --color-success-light: #DCFCE7;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-error: #EF4444;
  --color-error-light: #FEE2E2;
  --color-info: #3B82F6;
  --color-info-light: #DBEAFE;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 18px;
  --font-size-sm: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 28px;
  --font-size-3xl: 32px;
  --font-size-4xl: 36px;
  --line-height: 1.7;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --container-max: 520px;
  --container-padding: 20px;
  --header-height: 64px;
  --bottom-nav-height: 72px;
  --btn-height: 56px;
}

/* --- Font Size Classes (applied to html) --- */
html.fs-normal { font-size: 18px; }
html.fs-large { font-size: 22px; }
html.fs-xlarge { font-size: 26px; }

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height);
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-700);
  text-decoration: underline;
}

input, button, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-primary-900);
  line-height: 1.3;
  font-weight: 600;
}

h1 { font-size: 2rem; margin-bottom: var(--space-lg); }
h2 { font-size: 1.556rem; margin-bottom: var(--space-md); }
h3 { font-size: 1.333rem; margin-bottom: var(--space-md); }
h4 { font-size: 1.111rem; margin-bottom: var(--space-sm); }

p {
  margin-bottom: var(--space-md);
}

.text-sm { font-size: var(--font-size-sm); }
.text-muted { color: var(--color-gray-500); }
.text-center { text-align: center; }
.text-serif { font-family: var(--font-serif); }

/* --- Layout --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.page {
  min-height: 100vh;
  padding-top: calc(var(--header-height) + var(--space-lg));
  padding-bottom: calc(var(--bottom-nav-height) + var(--space-xl));
}

.page--no-nav {
  padding-bottom: var(--space-xl);
}

.section {
  margin-bottom: var(--space-xl);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.333rem;
  color: var(--color-primary-900);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-title .icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary-500);
  flex-shrink: 0;
}

.divider {
  border: none;
  height: 1px;
  background: var(--color-gray-200);
  margin: var(--space-xl) 0;
  position: relative;
}

.divider--labeled {
  text-align: center;
  margin: var(--space-2xl) 0;
}

.divider--labeled::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gray-200);
}

.divider--labeled span {
  background: var(--color-gray-50);
  padding: 0 var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
}

/* --- Grid --- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 380px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: white;
  border-bottom: 1px solid var(--color-gray-200);
  z-index: 100;
  display: flex;
  align-items: center;
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-serif);
  font-size: 1.222rem;
  font-weight: 600;
  color: var(--color-primary-900);
  text-decoration: none;
}

.header__logo:hover {
  text-decoration: none;
}

.header__logo-icon {
  font-size: 1.5rem;
  line-height: 1;
}

/* --- Font Size Toggle --- */
.font-size-toggle {
  display: flex;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.font-size-toggle button {
  border: none;
  background: white;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--color-gray-500);
  min-height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.font-size-toggle button:not(:last-child) {
  border-right: 1px solid var(--color-gray-200);
}

.font-size-toggle button:hover {
  background: var(--color-gray-50);
}

.font-size-toggle button.active {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
}

.font-size-toggle .fs-btn-sm { font-size: 14px; }
.font-size-toggle .fs-btn-md { font-size: 17px; }
.font-size-toggle .fs-btn-lg { font-size: 20px; }

/* --- Bottom Navigation --- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background: white;
  border-top: 1px solid var(--color-gray-200);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav__inner {
  max-width: var(--container-max);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-decoration: none;
  color: var(--color-gray-400);
  font-size: 12px;
  font-weight: 500;
  padding: var(--space-sm) var(--space-sm);
  min-width: 56px;
  min-height: 56px;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast);
}

.bottom-nav__item:hover {
  color: var(--color-primary-600);
  text-decoration: none;
}

.bottom-nav__item.active {
  color: var(--color-primary-600);
}

.bottom-nav__item .icon {
  width: 24px;
  height: 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: var(--btn-height);
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.3;
  width: 100%;
  text-align: center;
}

.btn:hover {
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--color-primary-600);
  color: white;
}

.btn--primary:hover {
  background: var(--color-primary-700);
  color: white;
}

.btn--secondary {
  background: white;
  color: var(--color-primary-600);
  border: 2px solid var(--color-primary-200);
}

.btn--secondary:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-400);
  color: var(--color-primary-700);
}

.btn--gold {
  background: linear-gradient(135deg, var(--color-gold-500), var(--color-gold-600));
  color: white;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.btn--gold:hover {
  background: linear-gradient(135deg, var(--color-gold-600), #B45309);
  color: white;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.btn--ghost {
  background: transparent;
  color: var(--color-gray-600);
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
}

.btn--ghost:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-800);
}

.btn--sm {
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  width: auto;
}

.btn .icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* --- Cards --- */
.card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card--flat {
  box-shadow: none;
  border: 1px solid var(--color-gray-200);
}

.card--flat:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--color-gray-300);
}

.card-highlight {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary-500);
}

.card-highlight:hover {
  box-shadow: var(--shadow-xl);
}

.card__title {
  font-family: var(--font-serif);
  font-size: 1.111rem;
  color: var(--color-primary-900);
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--color-gray-600);
  font-size: 1rem;
  margin-bottom: var(--space-md);
}

.card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.card__icon--purple {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
}

.card__icon--gold {
  background: var(--color-gold-100);
  color: var(--color-gold-600);
}

.card__icon--green {
  background: var(--color-success-light);
  color: var(--color-success);
}

.card__icon .icon {
  width: 22px;
  height: 22px;
}

.card--clickable {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.card--clickable:hover {
  text-decoration: none;
  color: inherit;
}

/* --- Badge --- */
.badge-bonus {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, var(--color-gold-500), var(--color-gold-600));
  color: white;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  line-height: 1;
}

.badge-bonus .icon {
  width: 12px;
  height: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.badge--purple {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
}

.badge--gray {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

/* --- Accordion (FAQ) --- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.accordion__item {
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary-900);
  text-align: left;
  min-height: var(--btn-height);
  gap: var(--space-md);
}

.accordion__trigger .icon {
  width: 20px;
  height: 20px;
  color: var(--color-gray-400);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.accordion__item.open .accordion__trigger .icon {
  transform: rotate(180deg);
}

.accordion__content {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-gray-600);
}

.accordion__item.open .accordion__content {
  display: block;
}

/* --- Progress Bar --- */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-600));
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

/* --- Comfort Scale (Slider) --- */
.comfort-scale {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  outline: none;
}

.comfort-scale::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 32px;
  height: 32px;
  background: var(--color-primary-600);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
  transition: transform var(--transition-fast);
}

.comfort-scale::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.comfort-scale::-moz-range-thumb {
  width: 32px;
  height: 32px;
  background: var(--color-primary-600);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

/* --- Checkbox Ingredient --- */
.checkbox-ingredient {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-gray-100);
  cursor: pointer;
  min-height: var(--btn-height);
}

.checkbox-ingredient:last-child {
  border-bottom: none;
}

.checkbox-ingredient input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  margin-top: 2px;
  transition: all var(--transition-fast);
}

.checkbox-ingredient input[type="checkbox"]:checked {
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
}

.checkbox-ingredient input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 8px;
  top: 3px;
  width: 7px;
  height: 14px;
  border: solid white;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg);
}

.checkbox-ingredient.checked .ingredient-text {
  text-decoration: line-through;
  color: var(--color-gray-400);
}

.ingredient-text {
  font-size: 1rem;
  color: var(--color-gray-800);
  padding-top: 2px;
  transition: all var(--transition-fast);
}

/* --- Form Inputs --- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  min-height: var(--btn-height);
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  color: var(--color-gray-800);
  background: white;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input--error {
  border-color: var(--color-error);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-sm);
  display: none;
}

.form-error.visible {
  display: block;
}

/* --- Quiz Option Cards --- */
.quiz-option {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: white;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  cursor: pointer;
  min-height: var(--btn-height);
  transition: all var(--transition-fast);
  margin-bottom: var(--space-sm);
}

.quiz-option:hover {
  border-color: var(--color-primary-400);
  background: var(--color-primary-50);
}

.quiz-option.selected {
  border-color: var(--color-primary-600);
  background: var(--color-primary-50);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.quiz-option__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
}

.quiz-option.selected .quiz-option__icon {
  background: var(--color-primary-100);
}

.quiz-option__text {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-gray-800);
}

.quiz-option__check {
  margin-left: auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--color-gray-300);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.quiz-option.selected .quiz-option__check {
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
  color: white;
}

.quiz-option.selected .quiz-option__check .icon {
  width: 14px;
  height: 14px;
}

/* --- Recipe Sections --- */
.recipe-meta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.recipe-meta__item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-primary-50);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-primary-700);
}

.recipe-meta__item .icon {
  width: 18px;
  height: 18px;
}

.recipe-step {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
}

.recipe-step__number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-600);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
  margin-top: 2px;
}

.recipe-step__text {
  font-size: 1rem;
  color: var(--color-gray-700);
  padding-top: 4px;
}

.tip-callout {
  background: var(--color-warm-amber);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.tip-callout .icon {
  width: 24px;
  height: 24px;
  color: var(--color-gold-600);
  flex-shrink: 0;
  margin-top: 2px;
}

.tip-callout__text {
  font-size: 1rem;
  color: var(--color-gray-700);
}

.tip-callout__title {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-xs);
}

/* --- Video Embed --- */
.video-embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-gray-900);
  position: relative;
}

.video-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.video-embed__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  color: white;
}

.video-embed__play {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.video-embed__play .icon {
  width: 32px;
  height: 32px;
  margin-left: 4px;
}

/* --- Floating Action Button --- */
.fab-support {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + var(--space-md));
  right: var(--space-md);
  z-index: 90;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-primary-600);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-fast);
  text-decoration: none;
  min-height: 48px;
}

.fab-support:hover {
  background: var(--color-primary-700);
  transform: translateY(-2px);
  box-shadow: 0 12px 20px rgba(79, 70, 229, 0.3);
  color: white;
  text-decoration: none;
}

.fab-support .icon {
  width: 20px;
  height: 20px;
}

.page--no-nav .fab-support {
  bottom: var(--space-lg);
}

/* --- Shopping List Item --- */
.shopping-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-gray-100);
}

.shopping-item:last-child {
  border-bottom: none;
}

.shopping-item__bullet {
  width: 8px;
  height: 8px;
  background: var(--color-primary-500);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 10px;
}

.shopping-item__details {
  flex: 1;
}

.shopping-item__name {
  font-weight: 500;
  color: var(--color-gray-800);
  margin-bottom: 2px;
}

.shopping-item__hint {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* --- Greeting --- */
.greeting {
  font-family: var(--font-serif);
  font-size: 1.556rem;
  color: var(--color-primary-900);
  margin-bottom: var(--space-lg);
}

.greeting__icon {
  display: inline;
}

/* --- Toast / Notification --- */
.toast {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + var(--space-2xl));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-gray-900);
  color: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  max-width: calc(100% - 40px);
  text-align: center;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* --- Animations --- */
.fade-in {
  animation: fadeIn var(--transition-slow) ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-right {
  animation: slideInRight var(--transition-base) ease forwards;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft var(--transition-base) ease forwards;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* --- Loading Spinner --- */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary-600);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
}

/* --- Accessibility --- */
:focus-visible {
  outline: 3px solid var(--color-primary-500);
  outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible) {
  outline: none;
}

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

  .card:hover {
    transform: none;
  }

  .fab-support:hover {
    transform: none;
  }
}

/* Min touch target enforcement */
button,
a,
input[type="checkbox"],
input[type="radio"],
[role="button"] {
  min-height: 44px;
  min-width: 44px;
}

/* --- Print Styles --- */
@media print {
  .header,
  .bottom-nav,
  .fab-support,
  .font-size-toggle,
  .btn,
  .toast {
    display: none !important;
  }

  body {
    background: white;
    color: #000;
    font-size: 14px;
  }

  .page {
    padding: 0;
    min-height: auto;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  .card, .card-highlight {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }

  h1, h2, h3 {
    color: #000;
    break-after: avoid;
  }

  .recipe-step {
    break-inside: avoid;
  }

  .checkbox-ingredient input[type="checkbox"] {
    border: 2px solid #999;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  a[href]::after {
    content: none;
  }
}

/* --- Utility Classes --- */
.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;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.w-full { width: 100%; }