.container {
      max-width: 1200px;
      margin: auto;
      padding: 2rem;
    }

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

    .header h1 {
      font-size: 2.5rem;
      margin: 0;
    }

    .stats {
      display: flex;
      justify-content: space-around;
      margin-bottom: 2rem;
      font-weight: bold;
    }

    .board {
      display: flex;
      gap: 1.5rem;
      margin-bottom: 2rem;
    }

    .column {
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      flex: 1;
      padding: 1rem;
    }

    .column-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1rem;
      font-size: 1.1rem;
      font-weight: bold;
    }

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

    .task {
      background: #f1f5f9;
      border-radius: 8px;
      padding: 1rem;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
      position: relative;
    }

    .task-title {
      font-weight: 600;
      margin-bottom: 0.5rem;
    }

    .task-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.9rem;
      color: #6b7280;
      margin-top: 0.5rem;
    }

    .priority-low {
      color: #10b981;
    }

    .priority-medium {
      color: #f59e0b;
    }

    .priority-high {
      color: #ef4444;
    }

    .delete-btn {
      position: absolute;
      top: 10px;
      right: 10px;
      border: none;
      background: transparent;
      font-size: 1.2rem;
      color: #9ca3af;
      cursor: pointer;
    }

    .delete-btn:hover {
      color: #ef4444;
    }

    .add-task-form {
      background: #fff;
      padding: 2rem;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }

    .add-task-form h2 {
      text-align: center;
      margin-bottom: 1.5rem;
    }

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

    .form-group label {
      display: block;
      font-weight: 600;
      margin-bottom: 0.5rem;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
      width: 100%;
      padding: 0.75rem;
      border-radius: 6px;
      border: 1px solid #d1d5db;
      font-size: 1rem;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
    }

    .form-actions {
      display: flex;
      justify-content: center;
      gap: 1rem;
      margin-top: 1.5rem;
    }

    .btn-primary {
      background: #3b82f6;
      color: white;
      padding: 0.75rem 1.5rem;
      border: none;
      border-radius: 6px;
      cursor: pointer;
    }

    .btn-primary:hover {
      background: #2563eb;
    }

    .btn-secondary {
      background: #f3f4f6;
      color: #374151;
      padding: 0.75rem 1.5rem;
      border: none;
      border-radius: 6px;
      cursor: pointer;
    }

    .btn-secondary:hover {
      background: #e5e7eb;
    }

    .slide-in {
      animation: slide-in 0.3s ease forwards;
    }

    .pulse {
      animation: pulse 2s infinite;
    }

    @keyframes slide-in {
      from {
        opacity: 0;
        transform: translateY(10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes pulse {
      0%, 100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
      }
      50% {
        box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
      }
    }

    .success-message {
      padding: 15px;
      background: #10b981;
      color: white;
      border-radius: 10px;
      text-align: center;
      margin-top: 15px;
    }