/**
 * One-Line-a-Day Journal - Styles
 * Design: Coastal Tranquility - Minimalist, calming aesthetic
 */

/* ===== CSS Variables ===== */
:root {
  /* Light Mode - Coastal Tranquility Palette */
  --bg-primary: #F5F7F9;
  --bg-surface: #FFFFFF;
  --bg-elevated: #FAFBFC;
  
  --color-primary: #6B8E9C;
  --color-primary-soft: #8FA3AD;
  --color-primary-pale: #E8EDEF;
  
  --color-accent: #7FA99B;
  --color-accent-pale: #EBF2F0;
  
  --text-primary: #2F3E46;
  --text-secondary: #5F6F78;
  --text-tertiary: #8B9AA3;
  
  --color-success: #89A894;
  --color-success-pale: #EDF3EF;
  --color-error: #C17B7B;
  --color-warning: #D4A574;
  --color-border: #D6DFE4;
  --color-divider: #E8EDEF;
  
  --shadow-soft: rgba(43, 62, 70, 0.06);
  --shadow-medium: rgba(43, 62, 70, 0.10);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1A2027;
    --bg-surface: #242C36;
    --bg-elevated: #2C3641;
    
    --color-primary: #8FA3AD;
    --color-primary-soft: #A5B6BF;
    --color-primary-pale: #2A3640;
    
    --color-accent: #7FA99B;
    --color-accent-pale: #2A3633;
    
    --text-primary: #E3E8ED;
    --text-secondary: #B0BCC5;
    --text-tertiary: #7A8A94;
    
    --color-success: #89A894;
    --color-success-pale: #2A3330;
    --color-border: #384147;
    --color-divider: #2F3841;
    
    --shadow-soft: rgba(0, 0, 0, 0.2);
    --shadow-medium: rgba(0, 0, 0, 0.3);
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Pro Display', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Layout ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.app-header {
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-lg);
}

.app-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.app-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.main-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .main-content {
    grid-template-columns: 2fr 1fr;
  }
}

/* ===== Entry Section ===== */
.entry-section {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: 0 2px 8px var(--shadow-soft);
}

.entry-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.current-date {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

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

.entry-input-wrapper {
  margin-bottom: var(--spacing-md);
}

.entry-input {
  width: 100%;
  min-height: 150px;
  padding: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-surface);
  resize: vertical;
  transition: border-color var(--transition-fast);
}

.entry-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.entry-input::placeholder {
  color: var(--text-tertiary);
}

.char-counter {
  text-align: right;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-top: var(--spacing-xs);
}

/* ===== Action Buttons ===== */
.entry-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  flex: 1;
}

.btn-primary:hover {
  background: var(--color-primary-soft);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow-medium);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-primary-pale);
}

.btn-icon {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm);
  min-width: 40px;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--color-primary-pale);
  border-color: var(--color-primary);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== Photo Upload ===== */
.photo-upload-section {
  margin-bottom: var(--spacing-lg);
}

#photoInput {
  display: none;
}

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

.photo-preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 2px solid var(--color-border);
}

.photo-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.photo-remove-btn:hover {
  background: rgba(0, 0, 0, 0.9);
}

/* ===== Dictation ===== */
.dictation-btn {
  position: relative;
}

.dictation-btn.recording {
  background: var(--color-error);
  color: white;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.dictation-indicator {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-error);
  color: white;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-top: var(--spacing-sm);
}

.pulse-animation {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
  animation: pulse 1s ease-in-out infinite;
}

/* ===== Progress Bar ===== */
.progress-section {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-divider);
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background: var(--color-primary-pale);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 4px;
  transition: width var(--transition-slow);
}

.progress-text {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== Statistics ===== */
.stats-section {
  display: flex;
  justify-content: space-around;
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
}

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

.stat-value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* ===== Calendar Section ===== */
.calendar-section {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 8px var(--shadow-soft);
}

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

.calendar-nav {
  display: flex;
  gap: var(--spacing-sm);
}

.calendar-nav-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  background: var(--bg-surface);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.calendar-nav-btn:hover {
  background: var(--color-primary-pale);
  border-color: var(--color-primary);
}

.month-year {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--spacing-xs);
}

.calendar-day-header {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: var(--spacing-xs);
  text-transform: uppercase;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-primary);
  position: relative;
  transition: all var(--transition-fast);
  cursor: default;
}

.calendar-day:not(.empty):not(.future) {
  cursor: pointer;
}

.calendar-day:not(.empty):not(.future):hover {
  background: var(--color-primary-pale);
}

.calendar-day.empty {
  visibility: hidden;
}

.calendar-day.today {
  background: var(--color-primary);
  color: white;
  font-weight: 600;
}

.calendar-day.has-entry .entry-indicator {
  position: absolute;
  bottom: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.calendar-day.today.has-entry .entry-indicator {
  background: white;
}

.calendar-day.future {
  color: var(--text-tertiary);
  opacity: 0.5;
}

/* ===== Past Entry Panel ===== */
.past-entry-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  max-width: 90vw;
  height: 100vh;
  background: var(--bg-surface);
  box-shadow: -4px 0 16px var(--shadow-medium);
  padding: var(--spacing-xl);
  overflow-y: auto;
  transition: right var(--transition-normal);
  z-index: 1000;
}

.past-entry-panel.show {
  right: 0;
}

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

.past-entry-date {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.close-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  transition: all var(--transition-fast);
}

.close-btn:hover {
  background: var(--color-primary-pale);
}

.past-entry-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

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

.past-entry-photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.past-entry-photo:hover {
  transform: scale(1.05);
}

/* ===== Settings Modal ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--spacing-lg);
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px var(--shadow-medium);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-divider);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.settings-section h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.settings-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.input-group {
  margin-bottom: var(--spacing-md);
}

.input-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.input-group input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-surface);
  transition: border-color var(--transition-fast);
}

.input-group input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.button-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

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

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

/* ===== Drive Status ===== */
.drive-status {
  padding: var(--spacing-md);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

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

.status-icon {
  font-size: 1.2rem;
}

.status-icon.connected,
.status-icon.synced {
  color: var(--color-success);
}

.status-icon.syncing {
  color: var(--color-primary);
  animation: spin 1s linear infinite;
}

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

.status-icon.error {
  color: var(--color-error);
}

.status-icon.disconnected {
  color: var(--text-tertiary);
}

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

.last-sync {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.drive-info {
  margin-top: var(--spacing-md);
}

.info-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== AI Reflection ===== */
.reflection-section {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--color-accent-pale);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
}

.reflection-section h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.reflection-display {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

/* ===== Photo Modal ===== */
.photo-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.photo-modal.show {
  opacity: 1;
}

.photo-modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.photo-modal-content img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-md);
}

.photo-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  transition: background var(--transition-fast);
}

.photo-modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ===== Toast Notifications ===== */
.toast {
  position: fixed;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-surface);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px var(--shadow-medium);
  z-index: 4000;
  transition: bottom var(--transition-normal);
  max-width: 90vw;
  text-align: center;
}

.toast.show {
  bottom: var(--spacing-lg);
}

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

.toast-error {
  background: var(--color-error);
  color: white;
}

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

.toast-info {
  background: var(--color-primary);
  color: white;
}

/* ===== Settings Button ===== */
.settings-btn {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 2px 8px var(--shadow-soft);
  transition: all var(--transition-fast);
  z-index: 100;
}

.settings-btn:hover {
  background: var(--color-primary);
  color: white;
  transform: rotate(45deg);
}

/* ===== Responsive Design ===== */
@media (max-width: 767px) {
  .container {
    padding: var(--spacing-md);
  }
  
  .app-title {
    font-size: 1.5rem;
  }
  
  .entry-section,
  .calendar-section {
    padding: var(--spacing-lg);
  }
  
  .main-content {
    grid-template-columns: 1fr;
  }
  
  .past-entry-panel {
    width: 100%;
    right: -100%;
  }
  
  .modal-content {
    padding: var(--spacing-lg);
  }
  
  .settings-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

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

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.hidden {
  display: none !important;
}

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

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===== Print Styles ===== */
@media print {
  .settings-btn,
  .calendar-nav,
  .entry-actions,
  .modal,
  .toast {
    display: none !important;
  }
  
  .entry-section,
  .calendar-section {
    box-shadow: none;
    border: 1px solid var(--color-border);
  }
}

/* ===== NEW FEATURES STYLES ===== */

/* Analytics Button */
.analytics-btn {
  position: fixed;
  top: 20px;
  right: 70px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--shadow-soft);
  transition: all var(--transition-fast);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.analytics-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-medium);
  background: var(--color-primary);
  color: white;
}

/* AI Prompt Section */
.prompt-section {
  background: linear-gradient(135deg, var(--color-accent-pale) 0%, var(--color-primary-pale) 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
}

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

.prompt-category {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--color-primary);
  color: white;
}

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

.btn-icon-small {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 6px 10px;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon-small:hover {
  background: var(--color-primary);
  color: white;
  transform: scale(1.05);
}

.btn-icon-small:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.prompt-text {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-primary);
  font-weight: 500;
  margin: 0;
}

/* Mood Tracking Section */
.mood-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.mood-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.mood-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: space-between;
}

.mood-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: var(--bg-elevated);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mood-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-soft);
  border-color: var(--color-primary);
}

.mood-btn.selected {
  background: var(--color-primary-pale);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-pale);
}

.mood-emoji {
  font-size: 2rem;
  line-height: 1;
}

.mood-label-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Media Preview Grid */
.media-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
}

.media-preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
}

.media-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-preview-item.video-item,
.media-preview-item.audio-item {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-pale);
}

.audio-icon {
  font-size: 3rem;
}

.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2rem;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.media-duration {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
}

.media-remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.media-remove-btn:hover {
  background: var(--color-error);
  transform: scale(1.1);
}

/* Calendar Mood Indicators */
.calendar-day.mood-1 {
  background: linear-gradient(135deg, #C17B7B 0%, rgba(193, 123, 123, 0.3) 100%);
}

.calendar-day.mood-2 {
  background: linear-gradient(135deg, #D4A574 0%, rgba(212, 165, 116, 0.3) 100%);
}

.calendar-day.mood-3 {
  background: linear-gradient(135deg, #8FA3AD 0%, rgba(143, 163, 173, 0.3) 100%);
}

.calendar-day.mood-4 {
  background: linear-gradient(135deg, #7FA99B 0%, rgba(127, 169, 155, 0.3) 100%);
}

.calendar-day.mood-5 {
  background: linear-gradient(135deg, #89A894 0%, rgba(137, 168, 148, 0.3) 100%);
}

/* Analytics Modal */
.analytics-modal-content {
  max-width: 1200px;
  width: 95%;
  max-height: 90vh;
  overflow-y: auto;
}

.analytics-content {
  padding: var(--spacing-lg);
}

.time-range-selector {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  justify-content: center;
  flex-wrap: wrap;
}

.time-range-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-elevated);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.time-range-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-pale);
}

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

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-soft);
}

.metric-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.charts-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.chart-container {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  min-height: 300px;
}

.chart-container.full-width {
  grid-column: 1 / -1;
}

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

.analytics-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* Heatmap Calendar */
.heatmap-calendar {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: var(--spacing-md);
}

.heatmap-week {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.heatmap-day {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--bg-elevated);
  border: 1px solid var(--color-border);
}

.heatmap-day.empty {
  background: transparent;
  border: none;
}

.heatmap-day.intensity-0 {
  background: var(--bg-elevated);
}

.heatmap-day.intensity-1 {
  background: #C17B7B;
}

.heatmap-day.intensity-2 {
  background: #D4A574;
}

.heatmap-day.intensity-3 {
  background: #8FA3AD;
}

.heatmap-day.intensity-4 {
  background: #7FA99B;
}

.heatmap-day.intensity-5 {
  background: #89A894;
}

/* Settings Select Dropdown */
.settings-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-surface);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.settings-select:hover {
  border-color: var(--color-primary);
}

.settings-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-pale);
}

/* Theme Classes */
body.theme-light {
  /* Light theme is default */
}

body.theme-dark {
  /* Dark theme overrides */
}

/* Responsive Design for New Features */
@media (max-width: 768px) {
  .analytics-btn {
    right: 70px;
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }
  
  .mood-buttons {
    flex-wrap: wrap;
  }
  
  .mood-btn {
    flex: 1 1 calc(33.333% - 8px);
    min-width: 80px;
  }
  
  .mood-emoji {
    font-size: 1.5rem;
  }
  
  .mood-label-text {
    font-size: 0.7rem;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .charts-section {
    grid-template-columns: 1fr;
  }
  
  .analytics-modal-content {
    width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }
  
  .prompt-text {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .analytics-btn {
    top: 15px;
    right: 60px;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
  
  .mood-btn {
    flex: 1 1 calc(50% - 4px);
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .time-range-selector {
    gap: 4px;
  }
  
  .time-range-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
  }
}

/* Additional Theme Presets - CSS Variables will be set via JavaScript */
/* These are fallback styles */

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.prompt-section {
  animation: fadeInUp 0.3s ease;
}

.mood-section {
  animation: fadeInUp 0.4s ease;
}

/* Print Styles */
@media print {
  .analytics-btn,
  .settings-btn,
  .time-range-selector,
  .analytics-actions {
    display: none;
  }
}