:root {
      --primary-color: #ff6b9d;
      --secondary-color: #ffd6e5;
      --accent-color: #ff4081;
      --dark-color: #333;
      --light-color: #fff;
      --gray-color: #f5f5f5;
      --success-color: #4caf50;
    }
    
    * {
      margin: 0;
      padding: 0;
      font-family: 'Poppins', sans-serif;
      box-sizing: border-box;
    }
    
    body {
      background-color: #f9f9f9;
      color: var(--dark-color);
    }
    
    .header {
      padding: 15px;
      background-color: var(--light-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header:hover{
        box-shadow: rgb(170, 160, 160) 2px 2px 2px 1px;
    }
    
    .navbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 20px;
      max-width: 1200px;
      margin: 0 auto;
    }
    
    .navbar h3 {
      font-weight: 700;
      font-size: 28px;
      color: var(--primary-color);
    }
    
    .right-side {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    
    .search {
      display: flex;
      align-items: center;
      background: var(--gray-color);
      border-radius: 30px;
      padding: 8px 15px;
      transition: all 0.3s ease;
    }
    
    .search:hover {
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    
    #searchbox {
      border: none;
      outline: none;
      background: transparent;
      padding: 8px;
      font-size: 14px;
      width: 200px;
    }
    
    .search button {
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 5px;
    }
    
    .search i {
      color: var(--primary-color);
      font-size: 16px;
    }
    
    .offset {
      width: 250px;
      height: 100vh;
      background-color: var(--light-color);
      display: flex;
      flex-direction: column;
      position: fixed;
      box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    }
    .offset:hover{
        box-shadow: 2px 1px 2px  rgba(0,0,0,0.1);
    }
    .user-profile {
      padding: 30px 20px;
      text-align: center;
      border-bottom: 1px solid var(--secondary-color);
    }
    
    .profile-img {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      object-fit: cover;
      margin-bottom: 15px;
      border: 3px solid var(--secondary-color);
      transition: transform 0.3s ease;
    }
    
    .profile-img:hover {
      transform: scale(1.05);
    }
    
    .user-name {
      font-weight: 600;
      margin-bottom: 5px;
      color: var(--dark-color);
    }
    
    .user-email {
      font-size: 13px;
      color: #777;
    }
    
    .items {
      padding: 15px 25px;
      display: flex;
      align-items: center;
      gap: 15px;
      color: var(--dark-color);
      cursor: pointer;
      transition: all 0.3s ease;
    }
    
    .items:hover {
      background-color: var(--secondary-color);
      color: var(--primary-color);
    }
    
    .items i {
      font-size: 18px;
    }
    
    .items p {
      font-weight: 500;
    }
    
    .main-content {
      margin-left: 250px;
      padding: 30px;
      min-height: calc(100vh - 80px);
    }
    
    /* Dashboard Styles */
    .dashboard-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 30px;
    }
    
    .stats-container {
      display: flex;
      justify-content: space-between;
      margin-bottom: 40px;
      gap: 20px;
    }
    
    .stat-card {
      background: var(--light-color);
      border-radius: 15px;
      padding: 25px;
      width: 100%;
      box-shadow: 0 5px 15px rgba(0,0,0,0.05);
      text-align: center;
      transition: transform 0.3s ease;
    }
    
    .stat-card:hover {
      transform: translateY(-5px);
      box-shadow: #777 1.5px 2px 1px 2px;
    }
    
    .stat-card h3 {
      color: var(--primary-color);
      margin-bottom: 15px;
      font-size: 18px;
    }
    
    .count {
      font-size: 36px;
      font-weight: 700;
      color: var(--dark-color);
      margin-bottom: 10px;
    }
    
    .progress-ring {
      width: 120px;
      height: 120px;
      margin: 0 auto;
      position: relative;
    }
    
    .progress-circle {
      transform: rotate(-90deg);
      transform-origin: 50% 50%;
    }
    
    .progress-bg {
      fill: none;
      stroke: var(--secondary-color);
      stroke-width: 8;
    }
    
    .progress-fill {
      fill: none;
      stroke: var(--primary-color);
      stroke-width: 8;
      stroke-linecap: round;
      transition: stroke-dashoffset 0.8s ease;
    }
    
    .progress-text {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      font-size: 24px;
      font-weight: 600;
      color: var(--dark-color);
    }
    
    .recent-tasks {
      background: var(--light-color);
      border-radius: 15px;
      padding: 25px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    }
    .recent-tasks:hover{
        box-shadow: #777 1.5px 2px 1px 2px;
    }
    .recent-tasks h3 {
      color: var(--primary-color);
      margin-bottom: 20px;
    }
    
    .task-item {
      display: flex;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid var(--secondary-color);
    }
    
    .task-item:last-child {
      border-bottom: none;
    }
    
    .task-check {
      width: 20px;
      height: 20px;
      border: 2px solid #ccc;
      border-radius: 50%;
      margin-right: 15px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    .task-check.completed {
      background-color: var(--success-color);
      border-color: var(--success-color);
      color: white;
    }
    
    .task-text {
      flex: 1;
    }
    
    .task-text.completed {
      text-decoration: line-through;
      color: #888;
    }
    
    .task-vital {
      color: var(--primary-color);
      margin-left: 10px;
    }
    
    /* Add Tasks Styles */
    .todo-container {
      background: var(--light-color);
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.05);
      max-width: 800px;
      margin: 0 auto;
    }
    .todo-container:hover{
        box-shadow: #777 1.5px 2px 1px 2px;
    }
    .todo-header {
      display: flex;
      align-items: center;
      margin-bottom: 30px;
    }
    
    .todo-icon {
      width: 50px;
      height: 50px;
      background-color: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 15px;
    }
    
    .todo-icon i {
      color: white;
      font-size: 24px;
    }
    
    .todo-header h2 {
      color: var(--dark-color);
      font-weight: 600;
    }
    
    .input-group {
      display: flex;
      margin-bottom: 30px;
    }
    
    #input-box {
      flex: 1;
      padding: 15px 20px;
      border: 1px solid var(--secondary-color);
      border-radius: 8px 0 0 8px;
      font-size: 16px;
      outline: none;
      transition: all 0.3s ease;
    }
    
    #input-box:focus {
      border-color: var(--primary-color);
    }
    
    .add-btn {
      background-color: var(--primary-color);
      color: white;
      border: none;
      padding: 0 25px;
      border-radius: 0 8px 8px 0;
      cursor: pointer;
      font-weight: 500;
      transition: all 0.3s ease;
    }
    
    .add-btn:hover {
      background-color: var(--accent-color);
    }
    
    .task-list {
      list-style: none;
    }
    
    .task-list li {
      display: flex;
      align-items: center;
      padding: 15px;
      margin-bottom: 10px;
      background-color: var(--gray-color);
      border-radius: 8px;
      transition: all 0.3s ease;
    }
    
    .task-list li:hover {
      transform: translateX(5px);
    }
    
    .task-checkbox {
      width: 22px;
      height: 22px;
      border: 2px solid #ccc;
      border-radius: 50%;
      margin-right: 15px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
    }
    
    .task-checkbox.checked {
      background-color: var(--success-color);
      border-color: var(--success-color);
      color: white;
    }
    
    .task-checkbox i {
      font-size: 12px;
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    
    .task-checkbox.checked i {
      opacity: 1;
    }
    
    .task-content {
      flex: 1;
      transition: all 0.3s ease;
    }
    
    .task-content.checked {
      text-decoration: line-through;
      color: #888;
    }
    
    .task-actions {
      display: flex;
      gap: 10px;
    }
    
    .task-actions i {
      color: #888;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    
    .task-actions i:hover {
      color: var(--primary-color);
    }
    
    .fa-star.vital {
      color: var(--primary-color);
    }
    
    /* Vital Tasks Styles */
    .vital-container {
      background: var(--light-color);
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    }
    .vital-container:hover{
        box-shadow: #777 1.5px 2px 1px 2px;
    }
    
    .vital-header {
      display: flex;
      align-items: center;
      margin-bottom: 30px;
    }
    
    .vital-icon {
      width: 50px;
      height: 50px;
      background-color: #ff4081;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 15px;
    }
    
    .vital-icon i {
      color: white;
      font-size: 24px;
    }
    
    .vital-header h2 {
      color: var(--dark-color);
      font-weight: 600;
    }
    
    /* Categories Styles */
    .categories-container {
      background: var(--light-color);
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    }
    
    .categories-header {
      display: flex;
      align-items: center;
      margin-bottom: 30px;
    }
    
    .categories-icon {
      width: 50px;
      height: 50px;
      background-color: #9c27b0;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 15px;
    }
    
    .categories-icon i {
      color: white;
      font-size: 24px;
    }
    
    .categories-header h2 {
      color: var(--dark-color);
      font-weight: 600;
    }
    
    .category-cards {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }
    
    .category-card {
      flex: 1;
      min-width: 250px;
      background: white;
      border-radius: 12px;
      padding: 20px;
      box-shadow: 0 3px 10px rgba(0,0,0,0.08);
      transition: all 0.3s ease;
    }
    
    .category-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .category-title {
      display: flex;
      align-items: center;
      margin-bottom: 15px;
      color: var(--dark-color);
    }
    
    .category-title i {
      width: 40px;
      height: 40px;
      background-color: var(--secondary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 10px;
      color: var(--primary-color);
    }
    
    .category-tasks {
      list-style: none;
    }
    
    .category-tasks li {
      padding: 10px 0;
      border-bottom: 1px solid var(--secondary-color);
      display: flex;
      align-items: center;
    }
    
    .category-tasks li:last-child {
      border-bottom: none;
    }
    
    /* About Styles */
    .about-container {
      background: var(--light-color);
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    }
    
    .about-header {
      display: flex;
      align-items: center;
      margin-bottom: 30px;
    }
    
    .about-icon {
      width: 50px;
      height: 50px;
      background-color: #2196f3;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 15px;
    }
    
    .about-icon i {
      color: white;
      font-size: 24px;
    }
    
    .about-header h2 {
      color: var(--dark-color);
      font-weight: 600;
    }
    
    .about-content {
      display: flex;
      gap: 30px;
      flex-wrap: wrap;
    }
    
    .about-card {
      flex: 1;
      min-width: 300px;
    }
    
    .about-card h3 {
      color: var(--primary-color);
      margin-bottom: 15px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--secondary-color);
    }
    
    .about-card p {
      margin-bottom: 15px;
      line-height: 1.6;
    }
    
    .about-card ul {
      list-style: none;
    }
    
    .about-card ul li {
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
    }
    
    .about-card ul li i {
      color: var(--primary-color);
      margin-right: 10px;
      margin-top: 3px;
    }
    
    .developer-card {
      display: flex;
      align-items: center;
      background: white;
      padding: 20px;
      border-radius: 12px;
      box-shadow: 0 3px 10px rgba(0,0,0,0.08);
      margin-top: 20px;
    }
    
    .developer-img {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      object-fit: cover;
      margin-right: 20px;
      border: 3px solid var(--secondary-color);
    }
    
    .developer-info h4 {
      color: var(--dark-color);
      margin-bottom: 5px;
    }
    
    .developer-info p {
      color: #777;
      margin-bottom: 5px;
    }
    
    /* Footer Styles */
    .footer {
      background-color: var(--dark-color);
      color: white;
      padding: 30px 0;
      margin-left: 250px;
    }
    
    .footer-content {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 30px;
      padding: 0 30px;
    }
    
    .footer-section {
      flex: 1;
      min-width: 250px;
    }
    
    .footer-section h3 {
      color: var(--primary-color);
      margin-bottom: 20px;
      font-size: 18px;
    }
    
    .footer-section p {
      margin-bottom: 15px;
      line-height: 1.6;
    }
    
    .footer-links {
      list-style: none;
    }
    
    .footer-links li {
      margin-bottom: 10px;
    }
    
    .footer-links a {
      color: #ccc;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    
    .footer-links a:hover {
      color: var(--primary-color);
    }
    
    .social-links {
      display: flex;
      gap: 15px;
    }
    
    .social-links a {
      color: white;
      background-color: #444;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
    }
    
    .social-links a:hover {
      background-color: var(--primary-color);
      transform: translateY(-3px);
    }
    
    .footer-bottom {
      text-align: center;
      padding-top: 20px;
      margin-top: 20px;
      border-top: 1px solid #444;
    }
    
    /* Responsive Styles */
    @media (max-width: 992px) {
      .offset {
        width: 70px;
      }
      
      .items p {
        display: none;
      }
      
      .user-profile {
        padding: 20px 10px;
      }
      
      .profile-img {
        width: 50px;
        height: 50px;
      }
      
      .user-name, .user-email {
        display: none;
      }
      
      .main-content {
        margin-left: 70px;
      }
      
      .footer {
        margin-left: 70px;
      }
    }
    
    @media (max-width: 768px) {
      .stats-container {
        flex-direction: column;
      }
      
      .category-cards {
        flex-direction: column;
      }
      
      .search {
        display: none;
      }
    }
    
    /* Section visibility */
    section {
      display: none;
    }
    
    section.active {
      display: block;
    }