/* FitCoin MVP - Screen-specific Styles */

/* App Container */
.app {
  min-height: 100vh;
  background: var(--color-background);
  position: relative;
  overflow-x: hidden;
}

.app-container {
  max-width: 428px;
  margin: 0 auto;
  background: var(--color-surface);
  min-height: 100vh;
  position: relative;
  box-shadow: var(--shadow-xl);
  border-left: 1px solid var(--color-border-light);
  border-right: 1px solid var(--color-border-light);
}

/* Header */
.app-header {
  background: var(--gradient-primary);
  padding: var(--space-md) var(--space-lg);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.header-logo img {
  height: 32px;
  width: auto;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.theme-toggle {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.header-coins {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.2);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  backdrop-filter: blur(10px);
}

.coin-count {
  font-size: var(--font-size-lg);
  transition: var(--transition-base);
}

.coin-count.animate {
  transform: scale(1.2);
  color: var(--color-warning);
}

/* Screen Management */
.screen {
  display: none;
  padding: var(--space-lg);
  padding-bottom: calc(var(--space-3xl) + 60px); /* Account for bottom nav */
  min-height: calc(100vh - 80px); /* Account for header */
  background: var(--color-background);
  animation: slideIn 0.3s ease-out;
}

.screen.active {
  display: block;
}

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

/* Welcome Screen */
.welcome-screen {
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 80px);
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface-alt) 100%);
}

.welcome-mascot {
  width: 120px;
  height: 120px;
  margin-bottom: var(--space-xl);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.welcome-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: var(--line-height-relaxed);
}

.welcome-quote {
  background: var(--gradient-cool);
  color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.welcome-quote::before {
  content: '"';
  font-size: var(--font-size-4xl);
  position: absolute;
  top: -10px;
  left: var(--space-md);
  opacity: 0.5;
}

.quote-text {
  font-style: italic;
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.quote-author {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  color: var(--color-white);
}

/* Dashboard Screen */
.dashboard-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.dashboard-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-sm);
}

.streak-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  background: var(--gradient-warm);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  width: fit-content;
  margin: 0 auto;
}

.goals-grid {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.goal-card {
  background: var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  padding: calc(var(--space-lg) * 0.8);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 2px solid var(--color-border);
}

.goal-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-subtle);
}

.goal-card.movement {
  border-color: var(--color-primary);
}

.goal-card.rest {
  border-color: #9B59B6;
}

.goal-card.nutrition {
  border-color: var(--color-secondary);
}

.goal-card.completed {
  background: var(--gradient-secondary);
  color: var(--color-white);
}

.goal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: calc(var(--space-md) * 0.8);
}

.goal-icon {
  width: calc(48px * 0.8);
  height: calc(48px * 0.8);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(var(--font-size-xl) * 0.8);
  color: var(--color-white);
}

.goal-icon.movement {
  background: var(--gradient-primary);
}

.goal-icon.rest {
  background: linear-gradient(135deg, #9B59B6, #C8A2C8);
}

.goal-icon.nutrition {
  background: var(--gradient-secondary);
}

.goal-info h3 {
  font-size: calc(var(--font-size-lg) * 0.8);
  margin-bottom: calc(var(--space-xs) * 0.8);
}

.goal-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: calc(var(--space-md) * 0.8);
}

.goal-value {
  font-size: calc(var(--font-size-2xl) * 0.8);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.goal-target {
  font-size: calc(var(--font-size-sm) * 0.8);
  color: var(--color-text-secondary);
}

.goal-completed .goal-value,
.goal-completed .goal-target {
  color: var(--color-white);
}

.goal-actions {
  display: flex;
  gap: calc(var(--space-sm) * 0.8);
}

/* Goal Setting Screen */
.goal-setting {
  max-width: 100%;
}

.setting-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.setting-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-sm);
}

.setting-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

.goal-setup-card {
  background: var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
  border: 2px solid var(--color-border);
  transition: var(--transition-base);
}

.goal-setup-card.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.setup-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-white);
}

.setup-icon.movement {
  background: var(--gradient-primary);
}

.setup-icon.rest {
  background: linear-gradient(135deg, #9B59B6, #C8A2C8);
}

.setup-icon.nutrition {
  background: var(--gradient-secondary);
}

.setup-title {
  text-align: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.setup-description {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.preset-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.preset-btn {
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  cursor: pointer;
  transition: var(--transition-base);
  text-align: center;
}

.preset-btn:hover,
.preset-btn.selected {
  border-color: var(--color-primary);
  background: rgba(6, 150, 175, 0.1);
  color: var(--color-primary);
}

.preset-level {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.preset-value {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.custom-range {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
}

/* Quick Actions */
.quick-actions {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
}

.quick-actions h3 {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
  transition: var(--transition-base);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.action-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-elevated);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.action-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  background: var(--gradient-primary);
  color: var(--color-white);
}

.action-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 428px;
  background: var(--color-white);
  border-top: 1px solid var(--color-border-light);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  z-index: var(--z-fixed);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  border: none;
  background: none;
  cursor: pointer;
  transition: var(--transition-base);
  color: var(--color-text-tertiary);
  text-decoration: none;
  min-height: 60px;
}

.nav-item:hover,
.nav-item.active {
  color: var(--color-primary);
  background: rgba(6, 150, 175, 0.05);
}

.nav-icon {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.nav-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* Notification Toast */
.toast {
  position: fixed;
  top: calc(80px + var(--space-md)); /* Below header */
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-tooltip);
  animation: toastSlideIn 0.3s ease-out;
  max-width: calc(100% - var(--space-xl));
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.toast.hide {
  animation: toastSlideOut 0.3s ease-in forwards;
}

@keyframes toastSlideOut {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }
}

/* Enhanced Responsive Design */

/* Extra small devices (320px and down) */
@media (max-width: 320px) {
  .screen {
    padding: var(--space-sm);
  }

  .weekly-chart {
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
  }

  .goal-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }
}

/* Small devices (374px and down) */
@media (max-width: 374px) {
  .screen {
    padding: var(--space-md);
  }

  .goals-grid {
    gap: var(--space-md);
  }

  .goal-card {
    padding: calc(var(--space-md) * 0.8);
  }

  .preset-buttons {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .action-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .achievement-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .reward-grid {
    grid-template-columns: 1fr;
  }

  .bottom-nav {
    grid-template-columns: repeat(5, 1fr);
  }

  .nav-item {
    padding: var(--space-xs);
    min-height: 50px;
  }

  .nav-icon {
    font-size: var(--font-size-lg);
    margin-bottom: calc(var(--space-xs) * 0.5);
  }

  .nav-label {
    font-size: calc(var(--font-size-xs) * 0.9);
  }
}

/* Medium devices (640px and up) */
@media (min-width: 640px) {
  .app-container {
    border-radius: var(--radius-lg);
    margin: var(--space-lg) auto;
    height: calc(100vh - var(--space-xl));
    max-width: 480px;
  }

  .bottom-nav {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }

  .action-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .achievement-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .reward-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .goal-stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Enhanced interactions for larger screens */
  .card:hover {
    transform: translateY(-4px) scale(1.01);
  }
}

/* Large devices (768px and up) */
@media (min-width: 768px) {
  .app-container {
    max-width: 600px;
  }

  .goals-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .screen {
    padding: var(--space-xl);
  }

  .achievement-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .reward-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Extra large devices (1024px and up) */
@media (min-width: 1024px) {
  .app-container {
    max-width: 720px;
  }

  .goals-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .achievement-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .reward-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Desktop-optimized interactions */
  .card:hover {
    transform: translateY(-6px) scale(1.02);
  }

  .btn:hover {
    transform: translateY(-3px) scale(1.05);
  }
}

/* Theme transition for smooth switching */
.app-container,
.screen,
.card,
.goal-card,
.btn,
.input,
.progress-bar {
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

/* Loading state */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  gap: var(--space-lg);
}

.loading-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* Activity History Section */
.activity-history-section {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.activity-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.activity-item:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-border);
}

.activity-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
}

.activity-details {
  flex: 1;
}

.activity-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.activity-time {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.activity-reward {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-warning);
  font-size: var(--font-size-sm);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  text-align: center;
  gap: var(--space-md);
}

/* Progress Visualization */
.weekly-chart {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.chart-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.chart-bar {
  width: 100%;
  min-height: 40px;
  max-height: 100px;
  background: var(--color-border-light);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.chart-bar-fill {
  width: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  transition: height 0.6s ease-out;
  position: absolute;
  bottom: 0;
}

.chart-day-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.chart-day-value {
  font-size: var(--font-size-xs);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
}

/* Goal Statistics */
.goal-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-md);
}

.goal-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.goal-stat-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.goal-stat-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.goal-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

/* Achievement Badges */
.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-md);
}

.achievement-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border-light);
  transition: var(--transition-base);
  text-align: center;
}

.achievement-badge.earned {
  border-color: var(--color-secondary);
  background: rgba(115, 198, 79, 0.1);
}

.achievement-badge.locked {
  opacity: 0.6;
  filter: grayscale(1);
}

.achievement-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-secondary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.achievement-badge.locked .achievement-icon {
  background: var(--color-border);
  color: var(--color-text-tertiary);
}

.achievement-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.achievement-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: var(--line-height-tight);
}

/* Store Rewards */
.reward-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.reward-item {
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.reward-item:hover {
  border-color: var(--color-border-subtle);
  box-shadow: var(--shadow-md);
}

.reward-item.affordable {
  border-color: var(--color-secondary);
  background: rgba(115, 198, 79, 0.05);
}

.reward-item.expensive {
  opacity: 0.7;
}

.reward-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-warm);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
  align-self: center;
}

.reward-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.reward-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  flex: 1;
}

.reward-price {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.reward-cost {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-warning);
}

.reward-button {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
}

/* New Categorized Store Design */
.store-categories {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.reward-category {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}

.category-header {
  background: var(--gradient-subtle);
  padding: var(--space-md) var(--space-lg);
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.reward-category .reward-grid {
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

/* Updated reward item for new design */
.reward-category .reward-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: var(--space-md);
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
  cursor: pointer;
  gap: var(--space-md);
  min-height: 100px;
}

.reward-category .reward-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.reward-category .reward-item.affordable {
  border-color: var(--color-secondary);
  background: rgba(115, 198, 79, 0.08);
}

.reward-category .reward-item.affordable:hover {
  border-color: var(--color-secondary);
  background: rgba(115, 198, 79, 0.12);
  box-shadow: 0 8px 25px rgba(115, 198, 79, 0.15);
}

.reward-category .reward-item.expensive {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--color-surface);
}

.reward-category .reward-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 2px solid currentColor;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-2xl);
  margin: 0;
  flex-shrink: 0;
}

.reward-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.reward-category .reward-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.reward-category .reward-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.4;
}

.reward-category .reward-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-xs);
  margin: 0;
}

.reward-category .reward-cost {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-warning);
  font-size: var(--font-size-lg);
}

.reward-category .reward-button {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  min-width: 80px;
  border-radius: var(--radius-md);
}

/* Mobile responsiveness for store */
@media (max-width: 640px) {
  .reward-category .reward-grid {
    grid-template-columns: 1fr;
    padding: var(--space-md);
  }

  .reward-category .reward-item {
    min-height: 80px;
    padding: var(--space-sm);
  }

  .reward-category .reward-icon {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-xl);
  }

  .category-header {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
  }
}

/* Circles Screen Styles */
.circles-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  min-height: 400px;
  gap: var(--space-lg);
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.circles-empty-state h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-sm);
}

.circles-empty-state p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xl);
  max-width: 400px;
}

.empty-state-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
  max-width: 300px;
}

/* Corporate Circle Card */
.corporate-circle-card {
  border: 2px solid var(--circle-primary, var(--color-primary));
  background: var(--color-surface-elevated);
}

.corporate-circle-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.corporate-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.corporate-info {
  flex: 1;
}

.corporate-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* Corporate Theme Override */
#circlesScreen.corporate-themed .corporate-circle-card {
  border-color: var(--circle-primary);
}

#circlesScreen.corporate-themed .btn-primary {
  background: linear-gradient(135deg, var(--circle-primary), var(--circle-accent, var(--circle-primary)));
}

#circlesScreen.corporate-themed .corporate-logo {
  border: 2px solid var(--circle-primary);
}

/* Activity Stream */
.activity-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  transition: var(--transition-base);
}

.activity-item:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-border);
}

.activity-content {
  flex: 1;
}

.activity-content strong {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

.activity-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-xs);
}

/* Challenge Items */
.challenge-item {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

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

.challenge-header h4 {
  font-size: var(--font-size-lg);
  margin: 0;
}

.challenge-participants {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.challenge-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.challenge-progress {
  margin-top: var(--space-md);
}

.progress-text {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* Join Tabs */
.join-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  padding: var(--space-xs);
  background: var(--color-background);
  border-radius: var(--radius-md);
}

.tab-btn {
  padding: var(--space-md);
  border: 2px solid transparent;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-weight: var(--font-weight-medium);
}

.tab-btn:hover {
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.tab-btn.active {
  background: var(--color-surface-elevated);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.tab-content {
  min-height: 300px;
}

.tab-panel {
  display: none;
}

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

/* Corporate Join Form */
.corporate-join-form {
  text-align: center;
  padding: var(--space-lg);
}

.form-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--space-lg);
}

.corporate-join-form h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.corporate-join-form p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* Open Circles Browse */
.open-circles-browse {
  text-align: center;
  padding: var(--space-lg);
}

.open-circles-browse h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.open-circles-browse p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.coming-soon {
  padding: var(--space-3xl) var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
}

.coming-soon i {
  font-size: var(--font-size-3xl);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-lg);
}

.coming-soon h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.coming-soon p {
  color: var(--color-text-secondary);
}

/* Add More Circles Section */
.add-circles-section {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

/* Circles Header Badges */
.circles-header-badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

/* Enhanced Activity Stream Styling */
.activity-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
}

.activity-badge {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
}

.activity-badge.activity-goal_completed {
  background: var(--color-secondary);
  color: var(--color-white);
}

.activity-badge.activity-challenge_joined {
  background: var(--color-warning);
  color: var(--color-white);
}

.activity-badge.activity-badge_earned {
  background: var(--gradient-warm);
  color: var(--color-white);
}

.activity-badge.activity-challenge_progress {
  background: var(--color-primary);
  color: var(--color-white);
}

.activity-message {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.activity-footer {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.cheer-count {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: #e74c3c;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.cheer-btn {
  transition: all 0.3s ease;
}

.cheer-btn:hover {
  transform: scale(1.1);
}

.cheer-btn.btn-cheered {
  color: #e74c3c;
}

.cheer-btn.btn-cheered i {
  animation: heartBeat 0.3s ease;
}

@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.3); }
  50% { transform: scale(1.1); }
  75% { transform: scale(1.2); }
}

.cheer-animate {
  animation: cheerPulse 0.6s ease;
}

@keyframes cheerPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.4); }
  100% { transform: scale(1); }
}

/* Enhanced Challenge Styling */
.challenge-title-section {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
}

.challenge-meta {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.challenge-deadline {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-secondary);
}

.challenge-deadline.deadline-urgent {
  color: #e74c3c;
  font-weight: var(--font-weight-semibold);
}

.challenge-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.challenge-reward {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-warning);
}

.challenge-completed {
  background: rgba(115, 198, 79, 0.1);
  border-color: var(--color-secondary);
}

.progress-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.progress-percent {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.progress-completed {
  background: var(--gradient-secondary) !important;
}

/* Simac Corporate Theme Overrides */
#circlesScreen.corporate-simac_corp {
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

#circlesScreen.corporate-simac_corp .corporate-circle-card {
  border-color: #0066cc;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.1);
}

#circlesScreen.corporate-simac_corp .btn-primary {
  background: linear-gradient(135deg, #0066cc, #0052a3);
  border-color: #0066cc;
}

#circlesScreen.corporate-simac_corp .btn-primary:hover {
  background: linear-gradient(135deg, #0052a3, #004080);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

#circlesScreen.corporate-simac_corp .progress-fill {
  background: linear-gradient(90deg, #0066cc, #0052a3);
}

#circlesScreen.corporate-simac_corp .activity-badge {
  background: #0066cc;
}

#circlesScreen.corporate-simac_corp .challenge-item {
  border-left: 3px solid #0066cc;
}

#circlesScreen.corporate-simac_corp .badge-primary {
  background: #0066cc;
  border-color: #0066cc;
}

#circlesScreen.corporate-simac_corp .corporate-logo {
  background: white;
  padding: var(--space-xs);
}