* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

       
        .header {
          
            padding: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

       

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s;
        }

        .btn-secondary {
            background: rgba(255,255,255,0.2);
            color: rgb(117, 117, 117);
            border: 2px solid white;
        }

        .btn-secondary:hover {
            background: white;
            color: #667eea;
        }

        .btn-primary {
            background: #667eea;
            color: white;
        }

        .btn-primary:hover {
            background: #5568d3;
        }

        .form-container {
            padding: 1px;
        }

        .section {
            margin-bottom: 5px;
        }

        .section-title {
            font-size: 20px;
            color: #334155;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #667eea;
            display: inline-block;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group label {
            margin-bottom: 8px;
            color: #475569;
            font-size: 14px;
            font-weight: 600;
        }

        .form-group label span {
            color: #ef4444;
        }

        .form-control {
            padding: 12px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 14px;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .form-control.currency {
            text-align: right;
        }

        textarea.form-control {
            min-height: 100px;
            resize: vertical;
        }

        .totals {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            padding: 25px;
            border-radius: 12px;
            margin-top: 30px;
        }

        .totals-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .total-item {
            text-align: center;
            padding: 15px;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        .total-label {
            font-size: 12px;
            color: #64748b;
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .total-value {
            font-size: 24px;
            font-weight: 700;
            color: #334155;
        }

        .total-value.positive {
            color: #10b981;
        }

        .total-value.negative {
            color: #ef4444;
        }

        .total-value.final {
            color: #667eea;
        }

        .form-actions {
            display: flex;
            gap: 15px;
            justify-content: flex-end;
            margin-top: 30px;
            padding-top: 30px;
            border-top: 2px solid #e2e8f0;
        }

        .alert {
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 8px;
            border-left: 4px solid;
        }

        .alert-danger {
            background: #fee2e2;
            border-color: #ef4444;
            color: #991b1b;
        }