/* ============================================
   Recipe Realm - Mobile App Design System
   ============================================ */

/* CSS Variables / Theme */
:root {
  --primary: #FF5733;
  --primary-dark: #E04428;
  --primary-light: #FF7A5C;
  --primary-rgb: 255, 87, 51;
  --secondary: #FFC300;
  --secondary-dark: #E0AB00;
  --secondary-light: #FFD54F;
  --accent: #DAF7A6;
  --accent-dark: #B8E080;

  --bg: #F5F5F5;
  --surface: #FFFFFF;
  --surface-variant: #F0F0F0;
  --on-primary: #FFFFFF;
  --on-secondary: #1A1A1A;
  --on-surface: #1A1A1A;
  --on-surface-medium: #666666;
  --on-surface-light: #999999;
  --divider: #E8E8E8;
  --error: #D32F2F;
  --success: #4CAF50;

  --font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --app-bar-height: 56px;
  --bottom-nav-height: 60px;
  --fab-size: 56px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
  --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-2: 0 3px 6px rgba(0,0,0,0.12), 0 2px 4px rgba(0,0,0,0.08);
  --shadow-3: 0 6px 16px rgba(0,0,0,0.12), 0 3px 6px rgba(0,0,0,0.08);
  --shadow-4: 0 10px 30px rgba(0,0,0,0.15), 0 5px 10px rgba(0,0,0,0.08);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow: hidden;
  height: 100%;
}

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--on-surface);
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  position: fixed;
  top: 0;
  left: 0;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

input, textarea, select, button {
  font-family: var(--font-family);
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

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

/* App Shell */
.app-shell {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* ============================================
   App Bar (Top)
   ============================================ */
.app-bar {
  height: var(--app-bar-height);
  background: var(--primary);
  color: var(--on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  position: relative;
  z-index: 100;
  flex-shrink: 0;
  box-shadow: var(--shadow-2);
}

.app-bar__title {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.app-bar__action {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--on-primary);
  transition: background var(--transition-fast);
}

.app-bar__action:active {
  background: rgba(255,255,255,0.2);
}

.app-bar__back {
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--on-primary);
  transition: background var(--transition-fast);
}

.app-bar__back:active {
  background: rgba(255,255,255,0.2);
}

.app-bar__back svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   Screen Container
   ============================================ */
.screen-container {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  background: var(--bg);
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  pointer-events: none;
  padding-bottom: 80px;
}

.screen.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  z-index: 1;
}

.screen.exit-left {
  opacity: 0;
  transform: translateX(-30px);
}

/* ============================================
   Bottom Navigation Bar
   ============================================ */
.bottom-nav {
  height: var(--bottom-nav-height);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-around;
  border-top: 1px solid var(--divider);
  position: relative;
  z-index: 100;
  flex-shrink: 0;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  height: 100%;
  color: var(--on-surface-light);
  transition: color var(--transition-fast);
  position: relative;
  min-width: 0;
  padding: 6px 0;
  gap: 2px;
}

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

.bottom-nav__item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 0 0 3px 3px;
}

.bottom-nav__icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bottom-nav__icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.bottom-nav__label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

/* Ripple */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(var(--primary-rgb), 0.15);
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease, opacity 0.4s ease;
  opacity: 0;
}

.ripple:active::after {
  width: 200%;
  height: 200%;
  opacity: 1;
  transition: 0s;
}

/* ============================================
   FAB
   ============================================ */
.fab {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + 16px);
  right: 16px;
  width: var(--fab-size);
  height: var(--fab-size);
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-3);
  z-index: 90;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.fab:active {
  transform: scale(0.92);
  box-shadow: var(--shadow-2);
}

.fab svg {
  width: 28px;
  height: 28px;
}

.fab.hidden {
  transform: scale(0);
  pointer-events: none;
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-2);
}

.card__image {
  width: 100%;
  height: 140px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
}

.card__body {
  padding: 12px 16px;
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card__subtitle {
  font-size: 0.82rem;
  color: var(--on-surface-medium);
}

.card__tags {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

/* ============================================
   Chips / Tags
   ============================================ */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 500;
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
}

.chip--secondary {
  background: rgba(255, 195, 0, 0.15);
  color: var(--secondary-dark);
}

.chip--accent {
  background: rgba(218, 247, 166, 0.4);
  color: #558B2F;
}

/* ============================================
   Stat Cards (Dashboard)
   ============================================ */
.stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 0 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-1);
  text-align: center;
}

.stat-card__value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.stat-card__label {
  font-size: 0.78rem;
  color: var(--on-surface-medium);
  margin-top: 2px;
}

.stat-card--accent .stat-card__value {
  color: var(--secondary-dark);
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--surface-variant);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}

.progress-bar__fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.6s ease;
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  margin: 20px 0 12px;
}

.section-header__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--on-surface);
}

.section-header__action {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  padding: 4px 8px;
}

/* ============================================
   Horizontal Scroll
   ============================================ */
.h-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 0 16px 8px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.h-scroll::-webkit-scrollbar {
  display: none;
}

.h-scroll .card {
  min-width: 200px;
  max-width: 200px;
  scroll-snap-align: start;
  flex-shrink: 0;
}

/* ============================================
   List Tiles
   ============================================ */
.list-tile {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--divider);
  gap: 12px;
  min-height: 64px;
  transition: background var(--transition-fast);
}

.list-tile:active {
  background: var(--surface-variant);
}

.list-tile:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.list-tile:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  border-bottom: none;
}

.list-tile:only-child {
  border-radius: var(--radius-md);
  border-bottom: none;
}

.list-tile__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
  flex-shrink: 0;
  overflow: hidden;
}

.list-tile__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.list-tile__content {
  flex: 1;
  min-width: 0;
}

.list-tile__title {
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-tile__subtitle {
  font-size: 0.8rem;
  color: var(--on-surface-medium);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-tile__trailing {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--on-surface-light);
  flex-shrink: 0;
}

.list-tile__trailing svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ============================================
   List Group (with shadow)
   ============================================ */
.list-group {
  margin: 0 16px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

/* ============================================
   Search Bar
   ============================================ */
.search-bar {
  padding: 12px 16px;
  position: relative;
}

.search-bar__input {
  width: 100%;
  height: 44px;
  border: none;
  border-radius: var(--radius-xl);
  background: var(--surface);
  padding: 0 44px 0 44px;
  font-size: 0.9rem;
  color: var(--on-surface);
  box-shadow: var(--shadow-1);
  outline: none;
  transition: box-shadow var(--transition-fast);
}

.search-bar__input:focus {
  box-shadow: var(--shadow-2);
}

.search-bar__input::placeholder {
  color: var(--on-surface-light);
}

.search-bar__icon {
  position: absolute;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-light);
  width: 20px;
  height: 20px;
}

.search-bar__icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.search-bar__clear {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--on-surface-light);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.search-bar__clear.visible {
  opacity: 1;
  pointer-events: auto;
}

.search-bar__clear svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 32px;
  text-align: center;
}

.empty-state__icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: rgba(var(--primary-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.empty-state__icon svg {
  width: 40px;
  height: 40px;
  fill: var(--primary);
}

.empty-state__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.empty-state__text {
  font-size: 0.88rem;
  color: var(--on-surface-medium);
  line-height: 1.5;
  margin-bottom: 24px;
}

.empty-state__btn {
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-xl);
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-2);
  transition: transform var(--transition-fast);
}

.empty-state__btn:active {
  transform: scale(0.95);
}

/* ============================================
   Bottom Sheet
   ============================================ */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  max-height: 92vh;
  background: var(--surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: 210;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.bottom-sheet.active {
  transform: translateY(0);
}

.bottom-sheet__handle {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: var(--on-surface-light);
  margin: 10px auto 0;
  flex-shrink: 0;
}

.bottom-sheet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 8px;
  flex-shrink: 0;
}

.bottom-sheet__title {
  font-size: 1.15rem;
  font-weight: 700;
}

.bottom-sheet__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--on-surface-medium);
}

.bottom-sheet__close:active {
  background: var(--surface-variant);
}

.bottom-sheet__close svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.bottom-sheet__body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 16px 24px;
}

/* ============================================
   Form / Material Inputs
   ============================================ */
.form-group {
  position: relative;
  margin-bottom: 20px;
}

.form-group__input,
.form-group__textarea {
  width: 100%;
  border: 2px solid var(--divider);
  border-radius: var(--radius-sm);
  padding: 14px 12px 6px;
  font-size: 0.95rem;
  color: var(--on-surface);
  background: var(--surface);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group__textarea {
  resize: vertical;
  min-height: 90px;
  line-height: 1.5;
}

.form-group__input:focus,
.form-group__textarea:focus {
  border-color: var(--primary);
}

.form-group__label {
  position: absolute;
  left: 12px;
  top: 12px;
  font-size: 0.95rem;
  color: var(--on-surface-light);
  pointer-events: none;
  transition: all var(--transition-fast);
  background: var(--surface);
  padding: 0 4px;
}

.form-group__input:focus ~ .form-group__label,
.form-group__input.has-value ~ .form-group__label,
.form-group__textarea:focus ~ .form-group__label,
.form-group__textarea.has-value ~ .form-group__label {
  top: -8px;
  font-size: 0.75rem;
  color: var(--primary);
}

.form-group__error {
  font-size: 0.75rem;
  color: var(--error);
  margin-top: 4px;
  display: none;
  padding-left: 4px;
}

.form-group.error .form-group__input,
.form-group.error .form-group__textarea {
  border-color: var(--error);
}

.form-group.error .form-group__label {
  color: var(--error);
}

.form-group.error .form-group__error {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.btn-primary {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-xl);
  background: var(--primary);
  color: var(--on-primary);
  font-size: 1rem;
  font-weight: 600;
  box-shadow: var(--shadow-2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  margin-top: 8px;
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-1);
}

.btn-secondary {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-xl);
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  transition: transform var(--transition-fast);
  margin-top: 8px;
}

.btn-secondary:active {
  transform: scale(0.97);
  background: rgba(var(--primary-rgb), 0.05);
}

/* ============================================
   Dialog
   ============================================ */
.dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  width: calc(100% - 48px);
  max-width: 320px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  z-index: 220;
  box-shadow: var(--shadow-4);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  padding: 24px;
}

.dialog.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

.dialog__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.dialog__text {
  font-size: 0.9rem;
  color: var(--on-surface-medium);
  line-height: 1.5;
  margin-bottom: 20px;
}

.dialog__actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.dialog__btn {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition-fast);
}

.dialog__btn--cancel {
  color: var(--on-surface-medium);
}

.dialog__btn--cancel:active {
  background: var(--surface-variant);
}

.dialog__btn--danger {
  color: var(--error);
}

.dialog__btn--danger:active {
  background: rgba(211, 47, 47, 0.08);
}

.dialog__btn--primary {
  color: var(--primary);
}

.dialog__btn--primary:active {
  background: rgba(var(--primary-rgb), 0.08);
}

/* ============================================
   Snackbar
   ============================================ */
.snackbar {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + 16px);
  left: 16px;
  right: 16px;
  background: #333;
  color: white;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 300;
  box-shadow: var(--shadow-3);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.snackbar.active {
  transform: translateY(0);
  opacity: 1;
}

/* ============================================
   Detail View
   ============================================ */
.detail-view {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  z-index: 150;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.detail-view.active {
  transform: translateX(0);
}

.detail-view__hero {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: flex-end;
}

.detail-view__hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.detail-view__hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 16px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: white;
}

.detail-view__hero-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.detail-view__nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 4px;
  z-index: 10;
}

.detail-view__nav-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: white;
  background: rgba(0,0,0,0.25);
  transition: background var(--transition-fast);
}

.detail-view__nav-btn:active {
  background: rgba(0,0,0,0.45);
}

.detail-view__nav-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.detail-view__body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 20px 16px 32px;
}

.detail-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.detail-meta__item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--on-surface-medium);
}

.detail-meta__item svg {
  width: 18px;
  height: 18px;
  fill: var(--primary);
}

.detail-section {
  margin-bottom: 24px;
}

.detail-section__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary);
}

.detail-section__text {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--on-surface);
  white-space: pre-line;
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detail-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.detail-actions .btn-primary,
.detail-actions .btn-secondary {
  flex: 1;
}

/* ============================================
   Skeleton Loading
   ============================================ */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, #eee 25%, #f5f5f5 50%, #eee 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-card {
  height: 200px;
  min-width: 200px;
  border-radius: var(--radius-md);
}

.skeleton-tile {
  height: 64px;
  margin: 0 16px 8px;
  border-radius: var(--radius-md);
}

.skeleton-stat {
  height: 80px;
  border-radius: var(--radius-md);
}

/* ============================================
   Collection Screen
   ============================================ */
.collection-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 16px 10px;
  transition: transform var(--transition-fast);
}

.collection-card:active {
  transform: scale(0.98);
}

.collection-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.collection-card__info {
  flex: 1;
  min-width: 0;
}

.collection-card__name {
  font-size: 1rem;
  font-weight: 600;
}

.collection-card__count {
  font-size: 0.82rem;
  color: var(--on-surface-medium);
}

.collection-card__chevron {
  color: var(--on-surface-light);
}

.collection-card__chevron svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Collection colors */
.collection-bg-1 { background: rgba(255, 87, 51, 0.12); }
.collection-bg-2 { background: rgba(255, 195, 0, 0.15); }
.collection-bg-3 { background: rgba(218, 247, 166, 0.4); }
.collection-bg-4 { background: rgba(76, 175, 80, 0.12); }
.collection-bg-5 { background: rgba(33, 150, 243, 0.12); }
.collection-bg-6 { background: rgba(156, 39, 176, 0.12); }

/* ============================================
   Ingredients Screen
   ============================================ */
.ingredient-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--divider);
  gap: 12px;
}

.ingredient-item:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.ingredient-item:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  border-bottom: none;
}

.ingredient-item__check {
  width: 24px;
  height: 24px;
  border: 2px solid var(--on-surface-light);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.ingredient-item__check.checked {
  background: var(--primary);
  border-color: var(--primary);
}

.ingredient-item__check.checked svg {
  display: block;
}

.ingredient-item__check svg {
  width: 16px;
  height: 16px;
  fill: white;
  display: none;
}

.ingredient-item__name {
  flex: 1;
  font-size: 0.92rem;
}

.ingredient-item__name.checked-text {
  text-decoration: line-through;
  color: var(--on-surface-light);
}

.ingredient-item__delete {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--on-surface-light);
}

.ingredient-item__delete:active {
  background: rgba(211, 47, 47, 0.08);
  color: var(--error);
}

.ingredient-item__delete svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Tab pills for Ingredients */
.tab-pills {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
}

.tab-pill {
  flex: 1;
  height: 36px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-medium);
  background: var(--surface);
  border: 1px solid var(--divider);
  transition: all var(--transition-fast);
}

.tab-pill.active {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
}

/* ============================================
   Planner Screen
   ============================================ */
.planner-day {
  margin: 0 16px 16px;
}

.planner-day__header {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--on-surface);
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.planner-day__header .day-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
}

.planner-day__header .day-badge.today {
  background: var(--secondary);
  color: var(--on-secondary);
}

.planner-meal {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 8px;
  box-shadow: var(--shadow-1);
  display: flex;
  align-items: center;
  gap: 12px;
}

.planner-meal__type {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  width: 60px;
  flex-shrink: 0;
}

.planner-meal__recipe {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 500;
}

.planner-meal__recipe.empty {
  color: var(--on-surface-light);
  font-style: italic;
}

.planner-meal__action {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--on-surface-light);
}

.planner-meal__action:active {
  background: var(--surface-variant);
}

.planner-meal__action svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Week nav */
.week-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
}

.week-nav__btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--on-surface-medium);
}

.week-nav__btn:active {
  background: var(--surface-variant);
}

.week-nav__btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.week-nav__title {
  font-size: 0.95rem;
  font-weight: 600;
}

/* ============================================
   Favorite heart
   ============================================ */
.fav-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--on-surface-light);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.fav-btn.active {
  color: #E91E63;
}

.fav-btn:active {
  transform: scale(0.85);
}

.fav-btn svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* ============================================
   Recipe picker overlay
   ============================================ */
.picker-list {
  max-height: 60vh;
  overflow-y: auto;
}

/* ============================================
   Filter chips row
   ============================================ */
.filter-chips {
  display: flex;
  gap: 8px;
  padding: 0 16px 12px;
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-chips::-webkit-scrollbar { display: none; }

.filter-chip {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid var(--divider);
  background: var(--surface);
  color: var(--on-surface-medium);
  transition: all var(--transition-fast);
}

.filter-chip.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ============================================
   Add ingredient inline input
   ============================================ */
.inline-add {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
}

.inline-add__input {
  flex: 1;
  height: 44px;
  border: 2px solid var(--divider);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.inline-add__input:focus {
  border-color: var(--primary);
}

.inline-add__btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.inline-add__btn:active {
  transform: scale(0.92);
}

.inline-add__btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Utility */
.px-16 { padding-left: 16px; padding-right: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mt-8 { margin-top: 8px; }
.text-center { text-align: center; }
.text-muted { color: var(--on-surface-medium); font-size: 0.85rem; }