/* CaloriesSnap - PWA App Mode Styles */

/* ===== APP CONTAINER ===== */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg-secondary);
  padding-bottom: env(safe-area-inset-bottom);
}

/* ===== APP HEADER ===== */
.app-header {
  background: white;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.header-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
  color: var(--primary);
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* ===== MAIN CONTENT ===== */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  padding-bottom: calc(70px + var(--spacing-lg) + env(safe-area-inset-bottom));
  -webkit-overflow-scrolling: touch;
}

/* ===== TAB CONTENT ===== */
.tab-content {
  display: none;
  animation: fadeIn var(--transition-base);
}

.tab-content.active {
  display: block;
}

/* ===== HOME TAB ===== */
.greeting-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  color: white;
}

.greeting-text {
  flex: 1;
}

.greeting-text h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: 0 0 var(--spacing-xs) 0;
  color: white;
}

.greeting-name {
  font-size: var(--font-size-lg);
  margin: 0;
  opacity: 0.9;
  color: white;
}

.edit-name-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.edit-name-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.calorie-ring-container {
  position: relative;
  width: 200px;
  height: 200px;
  margin: var(--spacing-xl) auto;
}

.calorie-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--bg-tertiary);
  stroke-width: 12;
}

.ring-progress {
  fill: none;
  stroke: url(#gradient);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 502.65;
  stroke-dashoffset: 502.65;
  transition: stroke-dashoffset 1s ease;
}

.ring-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.calories-number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.calories-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.streak-container {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff8787 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.streak-icon {
  font-size: 48px;
  animation: flicker 2s infinite;
}

.streak-info {
  flex: 1;
  color: white;
}

.streak-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.streak-message {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.macros-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.macro-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.macro-icon {
  font-size: 32px;
  margin-bottom: var(--spacing-sm);
}

.macro-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
}

.macro-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.macro-goal {
  font-size: var(--font-size-xs);
  color: var(--text-light);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.section-header h2 {
  font-size: var(--font-size-xl);
  margin: 0;
}

.recent-foods-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.recent-food-item {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.recent-food-item:active {
  transform: scale(0.98);
}

.recent-food-emoji {
  font-size: 32px;
}

.recent-food-info {
  flex: 1;
}

.recent-food-name {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.recent-food-meta {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.recent-food-action {
  background: var(--primary);
  color: white;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
}

.meals-breakdown {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.meal-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.meal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.meal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.meal-calories {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 600;
}

.meal-foods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.meal-food-item {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding-left: var(--spacing-md);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-md);
  color: var(--text-light);
}

.empty-state-icon {
  font-size: 64px;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

/* ===== STATS TAB ===== */
.stats-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.stats-header h2 {
  margin-bottom: var(--spacing-xs);
}

.date-range {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.chart-container {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.chart-container h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.chart-container canvas {
  max-height: 300px;
}

.weekly-summary {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.weekly-summary h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.summary-item {
  text-align: center;
}

.summary-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.summary-value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--primary);
}

.achievements-section {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.achievements-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.achievements-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.achievement-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.achievement-icon {
  font-size: 40px;
}

.achievement-info {
  flex: 1;
}

.achievement-name {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.achievement-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ===== ADD FOOD TAB ===== */
.search-container {
  margin-bottom: var(--spacing-lg);
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  background: white;
  border-radius: var(--radius-full);
  padding: var(--spacing-sm) var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.search-icon {
  color: var(--text-light);
  margin-right: var(--spacing-sm);
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--font-size-base);
  padding: var(--spacing-xs) 0;
}

.voice-btn {
  background: transparent;
  color: var(--primary);
  padding: var(--spacing-sm);
  border-radius: var(--radius-full);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.voice-btn.listening {
  color: var(--error);
  animation: pulse 1s infinite;
}

.categories-scroll {
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.categories-list {
  display: flex;
  gap: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.category-btn {
  background: white;
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  white-space: nowrap;
  font-size: var(--font-size-sm);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

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

.foods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--spacing-md);
}

.food-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.food-card:active {
  transform: scale(0.95);
}

.food-emoji {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
}

.food-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.food-category {
  font-size: var(--font-size-xs);
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.quick-add-btn {
  background: var(--primary);
  color: white;
  width: 100%;
  padding: var(--spacing-xs);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* ===== PROFILE TAB ===== */
.profile-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.profile-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin: 0 auto var(--spacing-md);
}

.goals-section,
.badges-section,
.stats-summary {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.goals-section h3,
.badges-section h3,
.stats-summary h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.goal-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.goal-item label {
  flex: 1;
  font-weight: 600;
  color: var(--text-secondary);
}

.goal-item input {
  width: 80px;
  text-align: center;
  font-weight: 600;
}

.goal-item span {
  color: var(--text-light);
  font-size: var(--font-size-sm);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--spacing-md);
}

.badge-item {
  text-align: center;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}

.badge-item.unlocked {
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
}

.badge-icon {
  font-size: 40px;
  margin-bottom: var(--spacing-xs);
}

.badge-name {
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.badge-item.locked {
  opacity: 0.4;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

.stat-row:last-child {
  border-bottom: none;
}

.stat-row span {
  color: var(--text-secondary);
}

.stat-row strong {
  font-size: var(--font-size-lg);
  color: var(--primary);
}

/* ===== SETTINGS TAB ===== */
.settings-section {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.settings-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

/* Profile Section */
.profile-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.profile-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: white;
  flex-shrink: 0;
}

.profile-details {
  flex: 1;
}

.profile-name-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.profile-name-display strong {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
}

.icon-btn-small {
  background: transparent;
  color: var(--primary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.icon-btn-small:hover {
  background: var(--bg-secondary);
}

.profile-subtitle {
  color: var(--text-secondary);
  margin: 0;
  font-size: var(--font-size-sm);
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

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

.setting-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: 600;
}

.setting-label i {
  color: var(--primary);
  width: 20px;
}

.setting-item select {
  width: auto;
  min-width: 120px;
}

.about-info {
  padding: var(--spacing-md) 0;
}

.about-info p {
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
}

/* ===== PORTION MODAL ===== */
.portion-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.portion-option {
  background: var(--bg-secondary);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.portion-option:hover {
  border-color: var(--primary);
  background: white;
}

.portion-icon {
  font-size: 48px;
}

.portion-details {
  flex: 1;
}

.portion-size {
  font-weight: 700;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.portion-info {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.portion-macros {
  font-size: var(--font-size-xs);
  color: var(--text-light);
}

.meal-selector {
  margin-top: var(--spacing-lg);
}

.meal-selector label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.meal-selector select {
  width: 100%;
}

/* ===== NAME EDIT MODAL ===== */
.name-input-container {
  margin-bottom: var(--spacing-lg);
}

.name-input-container label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.name-input-container input {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.name-input-container input:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ===== FLOATING ADD BUTTON ===== */
.floating-add-btn {
  position: fixed;
  bottom: calc(20px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #ff2d55 0%, #ff6b9d 100%);
  color: white;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 30px rgba(255, 45, 85, 0.4), 0 6px 20px rgba(0, 0, 0, 0.3);
  font-size: 32px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* Ensure centering is perfect */
  margin-left: 0;
  margin-right: 0;
}

.floating-add-btn:active {
  transform: translateX(-50%) scale(0.85);
  box-shadow: 0 5px 15px rgba(255, 45, 85, 0.4);
}

/* ===== BOTTOM NAVIGATION ===== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(70px + env(safe-area-inset-bottom));
  background: white;
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: flex-start;
  justify-content: space-around;
  padding-top: var(--spacing-sm);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 98;
  /* Create notch effect for FAB */
  -webkit-mask-image: radial-gradient(circle 42px at center top, transparent 0, transparent 42px, black 42px);
  mask-image: radial-gradient(circle 42px at center top, transparent 0, transparent 42px, black 42px);
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  background: transparent;
  color: var(--text-light);
  padding: var(--spacing-xs);
  border-radius: 0;
  font-size: var(--font-size-xs);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.nav-item i {
  font-size: 20px;
}

.nav-item.active {
  color: var(--primary);
}

.nav-item:active {
  transform: scale(1);
}

.nav-center {
  opacity: 0;
  pointer-events: none;
}

.nav-center-placeholder {
  width: 60px;
  height: 40px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .macros-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .foods-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}

@media (min-width: 769px) {
  .bottom-nav,
  .floating-add-btn {
    display: none;
  }
  
  .main-content {
    padding-bottom: var(--spacing-lg);
  }
}