:root {
    --primary-color: #7c3aed;
    --primary-hover: #6d28d9;
    --secondary-color: #a78bfa;
    --background-color: #f9fafb;
    --card-bg: #ffffff;
    --text-color: #1f2937;
    --text-secondary: #4b5563;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --sidebar-width: 240px;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --transition-speed: 0.3s;
  }
  
  /* Dark Mode Variables */
  .dark-mode {
    --primary-color: #8b5cf6;
    --primary-hover: #7c3aed;
    --secondary-color: #a78bfa;
    --background-color: #1f2937;
    --card-bg: #374151;
    --text-color: #f9fafb;
    --text-secondary: #d1d5db;
    --border-color: #4b5563;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
  }
  
  body {
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
  }
  
  .app-container {
    display: flex;
    min-height: 100vh;
  }
  
  /* Sidebar Styles */
  .sidebar {
    width: var(--sidebar-width);
    background-color: var(--card-bg);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
    z-index: 10;
  }
  
  .logo h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2rem;
  }
  
  .nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex-grow: 1;
  }
  
  .nav-links li {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: background-color 0.2s;
    color: var(--text-secondary);
  }
  
  .nav-links li:hover {
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
  }
  
  .nav-links li.active {
    background-color: rgba(124, 58, 237, 0.15);
    color: var(--primary-color);
    font-weight: 500;
  }
  
  .nav-links .icon {
    font-size: 1.25rem;
    width: 1.5rem;
    text-align: center;
  }
  
  .theme-toggle {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .mode-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
  }
  
  /* Switch toggle for dark mode */
  .switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
  }
  
  .switch input {
    opacity: 0;
    width: 0;
    height: 0;
  }
  
  .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
  }
  
  .slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
  }
  
  input:checked + .slider {
    background-color: var(--primary-color);
  }
  
  input:focus + .slider {
    box-shadow: 0 0 1px var(--primary-color);
  }
  
  input:checked + .slider:before {
    transform: translateX(26px);
  }
  
  .slider.round {
    border-radius: 34px;
  }
  
  .slider.round:before {
    border-radius: 50%;
  }
  
  /* Main Content Area */
  .main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    transition: background-color var(--transition-speed);
  }
  
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
  }
  
  .date-user-info h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }
  
  .date-user-info p {
    color: var(--text-secondary);
  }
  
  .profile-pic {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
  }
  
  /* Page Styles */
  .page {
    display: none;
  }
  
  .page.active {
    display: block;
  }
  
  .page h2 {
    margin-bottom: 1.5rem;
    font-weight: 600;
  }
  
  /* Dashboard Page */
  .mood-selector-container {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    text-align: center;
  }
  
  .mood-selector {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 1.5rem 0;
  }
  
  .mood {
    font-size: 2.5rem;
    padding: 1rem;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .mood:hover {
    transform: scale(1.1);
    background-color: rgba(124, 58, 237, 0.1);
  }
  
  .mood.selected {
    background-color: rgba(124, 58, 237, 0.2);
    transform: scale(1.1);
    box-shadow: 0 0 0 3px var(--primary-color);
  }
  
  .daily-quote {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
  }
  
  .daily-quote h3 {
    margin-bottom: 1rem;
    font-weight: 500;
    color: var(--primary-color);
  }
  
  .daily-quote blockquote {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 1rem;
    border-left: 3px solid var(--primary-color);
  }
  
  .quick-journal {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
  }
  
  .quick-journal h3 {
    margin-bottom: 1rem;
    font-weight: 500;
  }
  
  .quick-journal textarea {
    width: 100%;
    height: 120px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: var(--background-color);
    color: var(--text-color);
    resize: none;
    transition: border-color 0.2s;
  }
  
  .quick-journal textarea:focus {
    outline: none;
    border-color: var(--primary-color);
  }
  
  .mood-summary {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
  }
  
  .mood-summary h3 {
    margin-bottom: 1rem;
    font-weight: 500;
  }
  
  .chart-container {
    width: 100%;
    height: 300px;
    position: relative;
  }
  
  /* Button Styles */
  .primary-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
  }
  
  .primary-btn:hover {
    background-color: var(--primary-hover);
  }
  
  .secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s, color 0.2s;
  }
  
  .secondary-btn:hover {
    background-color: rgba(124, 58, 237, 0.1);
  }
  
  /* Journal Page */
  .new-entry {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
  }
  
  .new-entry h3 {
    margin-bottom: 1rem;
    font-weight: 500;
  }
  
  #journal-title {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    background-color: var(--background-color);
    color: var(--text-color);
  }
  
  #journal-content {
    width: 100%;
    height: 200px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    background-color: var(--background-color);
    color: var(--text-color);
    resize: none;
  }
  
  .journal-tools {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
  }
  
  .journal-history {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
  }
  
  .journal-history h3 {
    margin-bottom: 1rem;
    font-weight: 500;
  }
  
  .entries-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .entry-card {
    padding: 1rem;
    border-radius: 8px;
    background-color: var(--background-color);
    border-left: 4px solid var(--primary-color);
  }
  
  .entry-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
  }
  
  .entry-title {
    font-weight: 500;
  }
  
  .entry-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
  }
  
  .entry-content {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
  }
  
  .entry-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .delete-entry-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s;
  }
  
  .delete-entry-btn:hover {
    background-color: rgba(239, 68, 68, 0.1);
  }
  
  .delete-icon {
    font-size: 1.1rem;
    color: var(--danger-color);
  }
  
  .entry-card:hover .delete-entry-btn {
    opacity: 1;
  }
  
  /* Analytics Page */
  .analytics-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    color: var(--text-secondary);
  }
  
  .filter-btn:hover,
  .filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
  }
  
  .charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .chart-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
  }
  
  .chart-card.wide {
    grid-column: span 2;
  }
  
  .chart-card h3 {
    margin-bottom: 1rem;
    font-weight: 500;
  }
  
  .mood-heatmap {
    width: 100%;
    height: 200px;
    overflow: hidden;
  }
  
  .insights-container {
    color: var(--text-secondary);
    line-height: 1.6;
  }
  
  .insights-container p {
    margin-bottom: 0.75rem;
  }
  
  /* Calendar Page */
  .calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
  }
  
  .nav-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
    color: var(--text-color);
  }
  
  .nav-btn:hover {
    background-color: rgba(124, 58, 237, 0.1);
  }
  
  .calendar-container {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
  }
  
  .calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.75rem;
  }
  
  .calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
  }
  
  .calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    position: relative;
  }
  
  .calendar-day:hover {
    background-color: rgba(124, 58, 237, 0.1);
  }
  
  .calendar-day.active {
    background-color: rgba(124, 58, 237, 0.2);
    border: 2px solid var(--primary-color);
  }
  
  .calendar-day .date {
    font-weight: 500;
    margin-bottom: 0.25rem;
  }
  
  .calendar-day .mood-emoji {
    font-size: 1.25rem;
  }
  
  .calendar-day.other-month {
    opacity: 0.4;
  }
  
  .day-details {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
  }
  
  .day-details h3 {
    margin-bottom: 1rem;
    font-weight: 500;
  }
  
  .day-mood {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }
  
  .day-mood-emoji {
    font-size: 2rem;
  }
  
  .day-mood-text {
    font-weight: 500;
    color: var(--text-color);
  }
  
  .day-journal h4 {
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var (--text-secondary);
  }
  
  .day-journal p {
    line-height: 1.6;
    color: var(--text-secondary);
  }
  
  /* Self-Care Page */
  .self-care-categories {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }
  
  .category {
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    background-color: var(--card-bg);
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
    border: 1px solid var(--border-color);
  }
  
  .category:hover,
  .category.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
  }
  
  .activities-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  .activity-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  
  .activity-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }
  
  .activity-card h3 {
    margin-bottom: 0.75rem;
    font-weight: 500;
  }
  
  .activity-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
  }
  
  .activity-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
  }
  
  .activity-btn:hover {
    background-color: var(--primary-hover);
  }

  .activity-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
  }
  
  .duration {
    font-size: 0.9rem;
    color: var(--text-secondary);
  }
  
  .activity-btn.completed {
    background-color: var(--success-color);
    color: white;
  }
  
  .timer-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
  }
  
  .timer-content {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
  }
  
  .timer-display {
    font-size: 3rem;
    margin: 2rem 0;
    font-weight: bold;
    color: var(--primary-color);
  }
  
  .challenge-progress {
    cursor: pointer;
    transition: transform 0.2s;
  }
  
  .challenge-progress:hover {
    transform: scale(1.02);
  }
  
  .daily-challenge {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
  }
  
  .daily-challenge h3 {
    margin-bottom: 1rem;
    font-weight: 500;
  }
  
  .challenge-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
  
  .challenge-icon {
    font-size: 2.5rem;
    background-color: rgba(124, 58, 237, 0.1);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--primary-color);
  }
  
  .challenge-details {
    flex: 1;
  }
  
  .challenge-details h4 {
    margin-bottom: 0.5rem;
    font-weight: 500;
  }
  
  .challenge-details p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
  }
  
  .challenge-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .progress-bar {
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    flex: 1;
    overflow: hidden;
  }
  
  .progress {
    height: 100%;
    background-color: var(--success-color);
    border-radius: 4px;
  }
  
  /* Settings Page */
  .settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
  }
  
  .settings-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
  }
  
  .settings-card h3 {
    margin-bottom: 1.5rem;
    font-weight: 500;
  }
  
  .form-group {
    margin-bottom: 1.25rem;
  }
  
  .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
  }
  
  .form-group input,
  .form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--background-color);
    color: var(--text-color);
  }
  
  .switch-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
  }
  
  .privacy-info {
    margin-top: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
  }
  
  /* Responsive Design */
  @media (max-width: 1024px) {
    .charts-grid {
      grid-template-columns: 1fr;
    }
  
    .chart-card.wide {
      grid-column: span 1;
    }
  }
  
  @media (max-width: 768px) {
    .sidebar {
      width: 80px;
      padding: 1.5rem 0.5rem;
    }
  
    .sidebar .logo h2,
    .mode-text,
    .nav-links li span:not(.icon) {
      display: none;
    }
  
    .nav-links li {
      justify-content: center;
    }
  
    .nav-links .icon {
      margin: 0;
    }
  
    .main-content {
      margin-left: 80px;
      padding: 1.5rem;
    }
  
    .settings-grid,
    .activities-container {
      grid-template-columns: 1fr;
    }
  
    .mood-selector {
      gap: 0.75rem;
    }
  
    .mood {
      width: 60px;
      height: 60px;
      font-size: 2rem;
    }

    /* Calendar fixes */
    .calendar-container {
      padding: 0.5rem;
      overflow-x: auto;
    }
  
    .calendar-header,
    .calendar-days {
      grid-template-columns: repeat(7, minmax(40px, 1fr));
      gap: 2px;
    }
  
    .calendar-day {
      height: 40px;
      font-size: 0.9rem;
      padding: 0.25rem;
    }
  
    .calendar-nav {
      padding: 0.5rem;
    }
  
    .calendar-nav h3 {
      font-size: 1.1rem;
    }
  
    .nav-btn {
      padding: 0.3rem 0.6rem;
      font-size: 0.9rem;
    }
  
    .day-details {
      margin-top: 1rem;
      padding: 1rem;
    }
  
    /* Settings fixes */
    .settings-grid {
      grid-template-columns: 1fr;
      gap: 1rem;
      padding: 0.5rem;
    }
  
    .settings-card {
      padding: 1rem;
    }
  
    .form-group {
      margin-bottom: 0.8rem;
    }
  
    .form-group label {
      font-size: 0.9rem;
    }
  
    .form-group input,
    .form-group select {
      padding: 0.5rem;
      font-size: 0.9rem;
    }
  
    .switch-group {
      padding: 0.5rem 0;
    }
  
    .switch {
      width: 48px;
      height: 24px;
    }
  
    .slider:before {
      width: 18px;
      height: 18px;
    }
  }
  
  @media (max-width: 576px) {
    .sidebar {
      position: fixed;
      bottom: 0;
      top: auto;
      width: 100%;
      height: auto;
      z-index: 100;
      border-right: none;
      border-top: 1px solid var(--border-color);
    }
  
    .nav-links {
      flex-direction: row;
      justify-content: space-around;
    }
  
    .nav-links li {
      flex: 1;
      padding: 0.75rem 0;
    }
  
    .theme-toggle,
    .logo {
      display: none;
    }
  
    .main-content {
      margin-left: 0;
      padding-bottom: 80px;
    }
  
    .journal-tools {
      flex-direction: column;
      gap: 0.5rem;
    }
  
    .journal-tools button {
      width: 100%;
    }
  
    .analytics-filters,
    .self-care-categories {
      overflow-x: auto;
      padding-bottom: 0.5rem;
    }
  
    .challenge-content {
      flex-direction: column;
      text-align: center;
    }
  }

  /* Enhanced Responsive Design */
  @media (max-width: 1200px) {
    .charts-grid {
      grid-template-columns: 1fr;
    }
  
    .chart-card.wide {
      grid-column: auto;
    }
  
    .mood-selector {
      flex-wrap: wrap;
      justify-content: center;
    }
  }
  
  @media (max-width: 992px) {
    .settings-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  
    .activities-container {
      grid-template-columns: repeat(2, 1fr);
    }
  
    .challenge-content {
      flex-direction: column;
      text-align: center;
    }
  }
  
  @media (max-width: 768px) {
    :root {
      --sidebar-width: 70px;
    }
  
    .sidebar {
      padding: 1rem 0.5rem;
    }
  
    .logo h2, 
    .nav-links span:not(.icon),
    .mode-text {
      display: none;
    }
  
    .nav-links li {
      padding: 0.75rem;
      justify-content: center;
    }
  
    .main-content {
      margin-left: var(--sidebar-width);
      padding: 1rem;
    }
  
    .mood {
      width: 60px;
      height: 60px;
      font-size: 1.8rem;
    }
  
    .daily-quote blockquote {
      font-size: 0.9rem;
    }
  
    .chart-container {
      height: 250px;
    }

    /* Fix for settings scroll */
    #settings.page {
      height: calc(100vh - 120px);
      overflow-y: auto;
      padding-bottom: 70px;
    }
  }
  
  @media (max-width: 576px) {
    .sidebar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 60px;
      padding: 0;
      flex-direction: row;
      border-top: 1px solid var(--border-color);
      z-index: 1000;
    }
  
    .nav-links {
      flex-direction: row;
      justify-content: space-around;
      padding: 0 1rem;
    }
  
    .nav-links li {
      padding: 0.5rem;
    }
  
    .theme-toggle {
      display: none;
    }
  
    .main-content {
      margin-left: 0;
      margin-bottom: 60px;
      padding: 1rem;
    }
  
    .settings-grid,
    .activities-container {
      grid-template-columns: 1fr;
    }
  
    .mood-selector {
      gap: 0.5rem;
    }
  
    .mood {
      width: 50px;
      height: 50px;
      font-size: 1.5rem;
    }
  
    .calendar-days {
      gap: 0.25rem;
    }
  
    .calendar-day {
      font-size: 0.8rem;
    }
  
    .journal-tools {
      flex-direction: column;
    }
  
    header {
      flex-direction: column;
      gap: 1rem;
      text-align: center;
    }
  }
  
  @media (max-width: 400px) {
    .mood-selector-container,
    .daily-quote,
    .quick-journal,
    .mood-summary,
    .settings-card {
      padding: 1rem;
    }
  
    .charts-grid {
      gap: 1rem;
    }
  
    .calendar-header {
      font-size: 0.8rem;
    }
  
    .nav-links .icon {
      font-size: 1rem;
    }
  
    .filter-btn {
      padding: 0.4rem 0.8rem;
      font-size: 0.8rem;
    }
  
    .primary-btn,
    .secondary-btn {
      padding: 0.6rem 1rem;
      font-size: 0.9rem;
    }
  }
  
  /* Dark mode adjustments for mobile */
  .dark-mode .sidebar {
    background-color: var(--card-bg);
    border-color: var(--border-color);
  }
  
  /* Touch device optimizations */
  @media (hover: none) {
    .mood:hover,
    .nav-links li:hover,
    .activity-card:hover {
      transform: none;
    }
  
    .calendar-day:hover {
      background-color: transparent;
    }
  
    .primary-btn:active,
    .secondary-btn:active {
      transform: scale(0.98);
    }
  }
  
  /* Landscape mode adjustments */
  @media (max-height: 500px) and (orientation: landscape) {
    .sidebar {
      position: fixed;
      top: 0;
      left: 0;
      width: var(--sidebar-width);
      height: 100%;
    }
  
    .main-content {
      margin-left: var(--sidebar-width);
      margin-bottom: 0;
    }
  
    .mood-selector {
      flex-wrap: wrap;
    }
  
    .mood {
      width: 45px;
      height: 45px;
      font-size: 1.3rem;
    }

    .calendar-container {
      max-height: calc(100vh - 200px);
      overflow-y: auto;
    }
  
    .settings-grid {
      max-height: calc(100vh - 120px);
      overflow-y: auto;
    }
  }
  
  /* Print media query */
  @media print {
    .sidebar,
    .theme-toggle,
    .primary-btn,
    .secondary-btn {
      display: none;
    }
  
    .main-content {
      margin: 0;
      padding: 0;
    }
  
    * {
      print-color-adjust: exact;
      -webkit-print-color-adjust: exact;
    }
  }

  /* Mobile Responsive Fixes */
  @media (max-width: 375px) {
    .calendar-header div,
    .calendar-day {
      font-size: 0.8rem;
    }
  
    .calendar-day {
      height: 35px;
    }
  
    .settings-card {
      padding: 0.8rem;
    }
  
    .form-group input,
    .form-group select {
      width: 100%;
    }
  
    .secondary-btn {
      width: 100%;
      margin-bottom: 0.5rem;
    }
  }

  /* Music Player Modal Styles */
  .music-player .modal-content {
    max-width: 600px;
    padding: 2rem;
    margin: auto;
  }
  
  .playlist-info {
    color: var(--text-secondary);
    margin: 1rem 0;
    font-style: italic;
  }
  
  .player-container {
    margin: 1.5rem 0;
    border-radius: 0.5rem;
    overflow: hidden;
    background-color: #000;
  }
  
  .player-container iframe {
    display: block;
    width: 100%;
    height: 480px;
    border: none;
  }
  
  .modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
  }
  
  /* Responsive adjustments */
  @media (max-width: 768px) {
    .music-player .modal-content {
      width: 95%;
      padding: 1rem;
    }
  
    .player-container iframe {
      height: 300px;
    }
  
    .modal-actions {
      flex-direction: column;
    }
  
    .modal-actions button {
      width: 100%;
    }
  }

  .gratitude-form {
    margin: 1.5rem 0;
}

.gratitude-form .form-group {
    margin-bottom: 1rem;
}

.gratitude-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--background-color);
    color: var(--text-color);
    margin-top: 0.5rem;
}

.timer-modal .modal-content {
    max-width: 500px;
    width: 90%;
}