* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 100%;
            margin: 0 auto;
            padding: 15px;
            padding-bottom: 70px; /* Space for bottom navigation */
        }
        
        header {
            text-align: center;
            padding: 15px 0;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        h1 {
            font-size: 1.8rem;
        }
        
        .tab-content {
            display: none;
            animation: fadeIn 0.3s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .tab-content.active {
            display: block;
        }
        
        .card {
            background: white;
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
        }
        
        textarea {
            min-height: 100px;
            resize: vertical;
        }
        
        button {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            width: 100%;
            margin-top: 10px;
            transition: all 0.3s ease;
        }
        
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .day-checkboxes {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }
        
        .day-checkbox {
            flex: 1;
            min-width: 100px;
        }
        
        .day-checkbox input {
            display: none;
        }
        
        .day-checkbox label {
            display: block;
            padding: 10px;
            text-align: center;
            background: #e9ecef;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .day-checkbox input:checked + label {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
        }
        
        .bottom-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: white;
            display: flex;
            justify-content: space-around;
            padding: 15px;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .nav-item {
            text-align: center;
            cursor: pointer;
            padding: 10px;
            border-radius: 10px;
            flex: 1;
            margin: 0 5px;
            transition: all 0.3s ease;
        }
        
        .nav-item.active {
            background: #f0f3ff;
            color: #4e73df;
        }
        
        .nav-item i {
            font-size: 24px;
            display: block;
            margin-bottom: 5px;
        }
        
        .nav-item span {
            font-size: 14px;
        }
        
        .task-item, .goal-item {
            padding: 15px;
            border-left: 4px solid #6a11cb;
            background: white;
            border-radius: 8px;
            margin-bottom: 15px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .task-item:hover, .goal-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .task-header, .goal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }
        
        .task-title, .goal-title {
            font-weight: 600;
            font-size: 18px;
        }
        
        .task-days, .goal-dates {
            font-size: 14px;
            color: #6c757d;
            margin-bottom: 10px;
        }
        
        .task-desc, .goal-desc {
            margin-bottom: 10px;
        }
        
        .action-buttons {
            display: flex;
            gap: 10px;
        }
        
        .action-btn {
            padding: 8px 15px;
            border-radius: 6px;
            font-size: 14px;
            width: auto;
        }
        
        .edit-btn {
            background: #36b9cc;
        }
        
        .delete-btn {
            background: #e74a3b;
        }
        
        .checkbox-container {
            display: flex;
            align-items: center;
            margin-top: 10px;
        }
        
        .checkbox-container input {
            width: auto;
            margin-right: 10px;
        }
        
        .weekday-section, .goals-section {
            margin-bottom: 30px;
        }
        
        .section-title {
            font-size: 20px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #6a11cb;
        }
        
        .subheader {
            font-size: 14px;
            color: #6c757d;
            margin-bottom: 10px;
        }
        
        .hidden {
            display: none;
        }
        
        .import-export {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }
        
        .import-export button {
            flex: 1;
        }
        
        .empty-state {
            text-align: center;
            padding: 30px;
            color: #6c757d;
        }
        
        .empty-state i {
            font-size: 50px;
            margin-bottom: 15px;
            color: #ddd;
        }
        
        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 15px 20px;
            background: #4cd964;
            color: white;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            display: none;
        }
        
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }
        
        .modal-content {
            background: white;
            padding: 25px;
            border-radius: 10px;
            width: 90%;
            max-width: 500px;
            max-height: 80vh;
            overflow-y: auto;
        }
        
        .close-modal {
            float: right;
            font-size: 24px;
            cursor: pointer;
        }
        
        .days-container {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 10px 0;
        }
        
        .day-pill {
            padding: 8px 12px;
            background: #e9ecef;
            border-radius: 20px;
            font-size: 14px;
        }
        
        .day-pill.active {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
        }