/* CSS Custom Properties for Theme Management */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --accent-primary: #007bff;
  --accent-success: #28a745;
  --accent-warning: #ffc107;
  --accent-danger: #dc3545;
  --border-color: #dee2e6;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

[data-theme='dark'] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --accent-primary: #4dabf7;
  --accent-success: #51cf66;
  --accent-warning: #ffd43b;
  --accent-danger: #ff6b6b;
  --border-color: #404040;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
}

/* Layout Components */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-primary);
}

.theme-toggle {
  background: none;
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}

.theme-toggle:hover {
  background-color: var(--accent-primary);
  color: var(--bg-primary);
}

/* Main Content Grid */
.main-grid {
  display: grid;
  grid-template-columns: minmax(400px, 1fr) 300px;
  gap: 2rem;
  margin-top: 2rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.content-main {
  min-height: 400px;
  max-width: 800px;
}

.sidebar {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.5rem;
  height: fit-content;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

/* Card Components */
.card {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  transition: var(--transition);
  max-width: 100%;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Form Elements */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  max-width: 300px;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input[type='number'] {
  max-width: 150px;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-select {
  width: 100%;
  max-width: 200px;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--text-secondary);
  color: white;
}

.btn-secondary:hover {
  opacity: 0.9;
}

.btn-success {
  background-color: var(--accent-success);
  color: white;
}

.btn-success:hover {
  opacity: 0.9;
}

.btn-warning {
  background-color: var(--accent-warning);
  color: white;
}

.btn-warning:hover {
  opacity: 0.9;
}

.btn-danger {
  background-color: var(--accent-danger);
  color: white;
}

.btn-danger:hover {
  opacity: 0.9;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* Streak Display */
.streak-counter {
  text-align: center;
  padding: 2rem 1rem;
}

.streak-number {
  font-size: 3rem;
  font-weight: bold;
  color: var(--accent-success);
  display: block;
}

.streak-label {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.streak-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.streak-item {
  text-align: center;
  padding: 1rem;
  background-color: var(--bg-primary);
  border-radius: 8px;
  border: 2px solid var(--border-color);
  transition: var(--transition);
}

.streak-item.active {
  border-color: var(--accent-success);
  background-color: rgba(40, 167, 69, 0.1);
}

.streak-value {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-primary);
}

.streak-type {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Food & Wellness Score */
.wellness-checklist {
  list-style: none;
}

.wellness-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1rem;
  padding: 1rem;
  background-color: var(--bg-primary);
  border-radius: 8px;
  border: 2px solid var(--border-color);
  transition: var(--transition);
}

.wellness-item.completed {
  border-color: var(--accent-success);
  background-color: rgba(40, 167, 69, 0.1);
}

.wellness-checkbox {
  margin-right: 1rem;
  transform: scale(1.2);
  cursor: pointer;
}

.wellness-content {
  flex: 1;
}

.wellness-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.wellness-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.wellness-score {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 1rem;
  background-color: var(--bg-primary);
  border-radius: 8px;
  font-weight: 600;
}

.score-indicator {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--border-color);
  transition: var(--transition);
}

.score-indicator.active {
  background-color: var(--accent-success);
}

/* Setup Form */
.setup-form {
  max-width: 600px;
  margin: 2rem auto;
}

.setup-header {
  text-align: center;
  margin-bottom: 2rem;
}

.setup-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.setup-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Hidden class for screen management */
.hidden {
  display: none !important;
}

/* Success Message */
.success-message {
  position: fixed;
  top: 100px;
  right: 20px;
  background-color: var(--accent-success);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1000;
}

.success-message.show {
  transform: translateX(0);
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Exercise Type Selector */
.exercise-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-top: 0.5rem;
  max-width: 600px;
}

.exercise-option {
  display: flex;
  align-items: center;
  padding: 0.75rem;
  background-color: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  transition: var(--transition);
  cursor: pointer;
}

.exercise-option:hover {
  border-color: var(--accent-primary);
}

.exercise-option.selected {
  border-color: var(--accent-success);
  background-color: rgba(40, 167, 69, 0.1);
}

.exercise-checkbox {
  margin-right: 0.75rem;
  transform: scale(1.1);
  cursor: pointer;
}

.exercise-label {
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0;
}

/* Tab Navigation */
.tab-navigation {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--border-color);
}

.tab-btn {
  background: none;
  border: none;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.tab-btn:hover {
  color: var(--accent-primary);
}

.tab-content {
  position: relative;
  z-index: 2;
  display: none;
  width: 100%;
  min-height: 400px;
  background-color: var(--bg-primary);
  padding: 1rem;
}

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

.tab-content.hidden {
  display: none !important;
}

/* Charts Styles */
.charts-container {
  max-width: 1000px;
  margin: 0 auto;
}

.chart-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.chart-btn {
  background-color: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.chart-btn.active {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.chart-btn:hover {
  border-color: var(--accent-primary);
}

.chart-card {
  margin-bottom: 2rem;
  display: block !important;
  min-height: 500px;
}

.chart-container {
  position: relative;
  height: 400px !important;
  width: 100% !important;
  padding: 1rem;
  display: block !important;
  overflow: visible;
  max-width: 100%;
}

.chart-container canvas {
  display: block !important;
  max-width: 100%;
  height: 100% !important;
  width: 100% !important;
}

/* Calendar Styles */
.calendar-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.calendar-controls button {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.calendar-controls button:hover {
  background-color: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.calendar-container {
  padding: 1rem;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-top: 1rem;
}

.calendar-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 0.5rem;
}

.calendar-day-label {
  text-align: center;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.5rem;
  font-size: 0.9rem;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.calendar-day.other-month {
  color: var(--text-secondary);
  opacity: 0.4;
}

.calendar-day.today {
  background-color: var(--accent-primary);
  color: white;
  font-weight: bold;
}

.calendar-day.streak-complete {
  background-color: var(--accent-success);
  color: white;
}

.calendar-day.partial-complete {
  background-color: var(--accent-warning);
  color: white;
}

.calendar-day.no-data {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.calendar-day:hover {
  transform: scale(1.1);
  z-index: 10;
}

/* Rewards Styles */
.rewards-container {
  max-width: 1000px;
  margin: 0 auto;
}

.reward-criteria {
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
  background-color: var(--bg-primary);
}

.milestone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.milestone-item {
  background-color: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  transition: var(--transition);
}

.milestone-item.achieved {
  border-color: var(--accent-success);
  background-color: rgba(40, 167, 69, 0.1);
}

.milestone-item.claimed {
  border-color: var(--accent-primary);
  background-color: rgba(0, 123, 255, 0.1);
}

.milestone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.milestone-title {
  font-weight: 600;
  color: var(--text-primary);
}

.milestone-status {
  font-size: 0.9rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
}

.milestone-status.achieved {
  background-color: var(--accent-success);
  color: white;
}

.milestone-status.claimed {
  background-color: var(--accent-primary);
  color: white;
}

.milestone-status.pending {
  background-color: var(--text-secondary);
  color: white;
}

.milestone-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.milestone-reward {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.reward-text.editable {
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 4px;
  transition: background-color 0.2s ease;
  color: var(--accent-primary);
  font-style: italic;
}

.reward-text.editable:hover {
  background-color: var(--bg-secondary);
  border: 1px dashed var(--accent-primary);
}

.reward-text.editable::after {
  content: ' ✏️';
  font-size: 0.8em;
  opacity: 0.7;
}

.reward-text {
  font-style: italic;
  color: var(--text-primary);
}

.claim-btn {
  background-color: var(--accent-success);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

.claim-btn:hover {
  opacity: 0.9;
}

.claim-btn:disabled {
  background-color: var(--text-secondary);
  cursor: not-allowed;
}

.rewards-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.reward-item {
  background-color: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.reward-info {
  flex: 1;
}

.reward-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.reward-criteria-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.reward-actions {
  display: flex;
  gap: 0.5rem;
}

.achievements-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.achievement-item {
  background-color: var(--bg-primary);
  border: 2px solid var(--accent-success);
  border-radius: 8px;
  padding: 1rem;
  background: linear-gradient(
    135deg,
    rgba(40, 167, 69, 0.1),
    rgba(40, 167, 69, 0.05)
  );
}

.achievement-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.achievement-title {
  font-weight: 600;
  color: var(--accent-success);
}

.achievement-date {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.achievement-description {
  color: var(--text-primary);
  font-size: 0.9rem;
}

/* Celebration Animation */
@keyframes celebrate {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.celebrating {
  animation: celebrate 0.6s ease-in-out;
}

/* Success Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--bg-primary);
  border-radius: 12px;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow);
  transform: translateY(-50px);
  transition: var(--transition);
}

.modal.show .modal-content {
  transform: translateY(0);
}

.modal-title {
  font-size: 1.5rem;
  color: var(--accent-success);
  margin-bottom: 1rem;
}

.modal-message {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.modal-btn {
  background-color: var(--accent-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
}

.modal-btn:hover {
  opacity: 0.9;
}

/* Settings Styles */
.settings-container {
  max-width: 800px;
  margin: 0 auto;
}

.setting-group {
  margin-bottom: 1.5rem;
}

.setting-group h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.setting-group p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.setting-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.setting-checkbox,
.setting-radio {
  transform: scale(1.1);
  cursor: pointer;
}

.setting-label {
  cursor: pointer;
  color: var(--text-primary);
  margin: 0;
}

.app-info {
  background-color: var(--bg-primary);
  border-radius: 8px;
  padding: 1rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.info-label {
  font-weight: 500;
  color: var(--text-primary);
}

.info-value {
  color: var(--text-secondary);
}

.button-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.danger-zone {
  border: 2px solid var(--accent-danger);
  background: linear-gradient(
    135deg,
    rgba(220, 53, 69, 0.1),
    rgba(220, 53, 69, 0.05)
  );
}

.danger-text {
  color: var(--accent-danger);
  font-weight: 500;
  background-color: rgba(220, 53, 69, 0.1);
  padding: 0.75rem;
  border-radius: 6px;
  border-left: 3px solid var(--accent-danger);
}

.warning-text {
  color: var(--accent-warning);
  font-weight: 500;
  background-color: rgba(255, 193, 7, 0.1);
  padding: 0.75rem;
  border-radius: 6px;
  border-left: 3px solid var(--accent-warning);
}

.info-box {
  background: linear-gradient(
    135deg,
    rgba(0, 123, 255, 0.1),
    rgba(0, 123, 255, 0.05)
  );
  border: 1px solid var(--accent-primary);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
}

.wellness-items-display {
  background-color: var(--bg-primary);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.wellness-display-item {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.wellness-display-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.wellness-display-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.wellness-display-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.shortcuts-list {
  background-color: var(--bg-primary);
  border-radius: 8px;
  padding: 1rem;
}

.shortcut-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.shortcut-item:last-child {
  margin-bottom: 0;
}

kbd {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  font-family: monospace;
  color: var(--text-primary);
}

.form-help {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Focus indicators for keyboard navigation */
.btn:focus,
.form-input:focus,
.form-select:focus,
.theme-toggle:focus,
.wellness-checkbox:focus,
.exercise-checkbox:focus,
.tab-btn:focus,
.chart-btn:focus,
.claim-btn:focus,
.setting-checkbox:focus,
.setting-radio:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  }

  [data-theme='dark'] {
    --border-color: #ffffff;
  }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 1fr;
    max-width: 800px;
  }

  .content-main {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .main-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .header-content {
    padding: 0 0.5rem;
  }

  .container {
    padding: 0.5rem;
  }

  .streak-number {
    font-size: 2rem;
  }

  .setup-form {
    margin: 1rem auto;
  }

  .wellness-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .wellness-checkbox {
    margin-bottom: 0.5rem;
    margin-right: 0;
  }

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

  .exercise-selector {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
  }

  .form-input {
    max-width: 100%;
  }

  .tab-navigation {
    flex-wrap: wrap;
    gap: 0.5rem;
    position: sticky;
    top: 0;
    background-color: var(--bg-primary);
    z-index: 50;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1rem;
  }

  .tab-btn {
    padding: 12px 16px;
    font-size: 14px;
    flex: 1;
    text-align: center;
  }

  .chart-controls {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .chart-container {
    height: 300px;
    padding: 0.5rem;
  }

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

  .calendar-day {
    font-size: 0.8rem;
  }

  .button-group {
    flex-direction: column;
  }

  .button-group .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .theme-toggle {
    padding: 0.5rem;
    font-size: 0.8rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .card {
    padding: 1rem;
  }

  .sidebar {
    padding: 1rem;
  }

  .wellness-description {
    font-size: 0.8rem;
  }

  .card-title {
    font-size: 1.1rem;
  }

  .setup-title {
    font-size: 1.7rem;
  }

  .form-group {
    margin-bottom: 0.8rem;
  }

  .tab-btn {
    padding: 10px 8px;
    font-size: 13px;
  }
}

/* Mobile Performance Optimizations */
@media (max-width: 768px) {
  * {
    transition-duration: 0.2s !important;
  }

  .btn,
  .tab-btn,
  .chart-btn,
  .form-input,
  .form-select {
    min-height: 44px;
    min-width: 44px;
  }

  .card,
  .sidebar,
  .success-message {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }

  .form-input,
  .form-select {
    font-size: 16px;
    padding: 12px;
  }
}

/* Improve performance with GPU acceleration */
.tab-content,
.card,
.modal-content {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* Optimize animations for mobile */
@media (prefers-reduced-motion: no-preference) and (max-width: 768px) {
  .celebrating {
    animation-duration: 0.3s;
  }
}

/* Reduced transparency for better readability */
@media (prefers-contrast: more) {
  .wellness-item.completed,
  .streak-item.active {
    background-color: var(--accent-success);
    color: white;
  }

  .wellness-item.completed .wellness-description,
  .streak-item.active .streak-type {
    color: rgba(255, 255, 255, 0.9);
  }
}

/* Processing Status Indicator */
.processing-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--background-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.processing-status.processing {
  background: rgba(255, 193, 7, 0.1);
  border-color: var(--accent-warning);
  color: var(--accent-warning);
}

.processing-status.success {
  background: rgba(40, 167, 69, 0.1);
  border-color: var(--accent-success);
  color: var(--accent-success);
}

.processing-status.error {
  background: rgba(220, 53, 69, 0.1);
  border-color: var(--accent-danger);
  color: var(--accent-danger);
}

.processing-icon {
  font-size: 1rem;
  animation: none;
}

.processing-status.processing .processing-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.processing-text {
  font-weight: 500;
}

/* Hide when not needed */
.processing-status.hidden {
  display: none;
}